summaryrefslogtreecommitdiff
path: root/hid-dials/Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_ll_spi.h
blob: c063f5176c100d4aaedc48f8e3157866f7788e34 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
/**
  ******************************************************************************
  * @file    stm32f0xx_ll_spi.h
  * @author  MCD Application Team
  * @brief   Header file of SPI LL module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32F0xx_LL_SPI_H
#define STM32F0xx_LL_SPI_H

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx.h"

/** @addtogroup STM32F0xx_LL_Driver
  * @{
  */

#if defined (SPI1) || defined (SPI2)

/** @defgroup SPI_LL SPI
  * @{
  */

/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/

/* Exported types ------------------------------------------------------------*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup SPI_LL_ES_INIT SPI Exported Init structure
  * @{
  */

/**
  * @brief  SPI Init structures definition
  */
typedef struct
{
  uint32_t TransferDirection;       /*!< Specifies the SPI unidirectional or bidirectional data mode.
                                         This parameter can be a value of @ref SPI_LL_EC_TRANSFER_MODE.

                                         This feature can be modified afterwards using unitary function @ref LL_SPI_SetTransferDirection().*/

  uint32_t Mode;                    /*!< Specifies the SPI mode (Master/Slave).
                                         This parameter can be a value of @ref SPI_LL_EC_MODE.

                                         This feature can be modified afterwards using unitary function @ref LL_SPI_SetMode().*/

  uint32_t DataWidth;               /*!< Specifies the SPI data width.
                                         This parameter can be a value of @ref SPI_LL_EC_DATAWIDTH.

                                         This feature can be modified afterwards using unitary function @ref LL_SPI_SetDataWidth().*/

  uint32_t ClockPolarity;           /*!< Specifies the serial clock steady state.
                                         This parameter can be a value of @ref SPI_LL_EC_POLARITY.

                                         This feature can be modified afterwards using unitary function @ref LL_SPI_SetClockPolarity().*/

  uint32_t ClockPhase;              /*!< Specifies the clock active edge for the bit capture.
                                         This parameter can be a value of @ref SPI_LL_EC_PHASE.

                                         This feature can be modified afterwards using unitary function @ref LL_SPI_SetClockPhase().*/

  uint32_t NSS;                     /*!< Specifies whether the NSS signal is managed by hardware (NSS pin) or by software using the SSI bit.
                                         This parameter can be a value of @ref SPI_LL_EC_NSS_MODE.

                                         This feature can be modified afterwards using unitary function @ref LL_SPI_SetNSSMode().*/

  uint32_t BaudRate;                /*!< Specifies the BaudRate prescaler value which will be used to configure the transmit and receive SCK clock.
                                         This parameter can be a value of @ref SPI_LL_EC_BAUDRATEPRESCALER.
                                         @note The communication clock is derived from the master clock. The slave clock does not need to be set.

                                         This feature can be modified afterwards using unitary function @ref LL_SPI_SetBaudRatePrescaler().*/

  uint32_t BitOrder;                /*!< Specifies whether data transfers start from MSB or LSB bit.
                                         This parameter can be a value of @ref SPI_LL_EC_BIT_ORDER.

                                         This feature can be modified afterwards using unitary function @ref LL_SPI_SetTransferBitOrder().*/

  uint32_t CRCCalculation;          /*!< Specifies if the CRC calculation is enabled or not.
                                         This parameter can be a value of @ref SPI_LL_EC_CRC_CALCULATION.

                                         This feature can be modified afterwards using unitary functions @ref LL_SPI_EnableCRC() and @ref LL_SPI_DisableCRC().*/

  uint32_t CRCPoly;                 /*!< Specifies the polynomial used for the CRC calculation.
                                         This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFFFF.

                                         This feature can be modified afterwards using unitary function @ref LL_SPI_SetCRCPolynomial().*/

} LL_SPI_InitTypeDef;

/**
  * @}
  */
#endif /* USE_FULL_LL_DRIVER */

/* Exported constants --------------------------------------------------------*/
/** @defgroup SPI_LL_Exported_Constants SPI Exported Constants
  * @{
  */

/** @defgroup SPI_LL_EC_GET_FLAG Get Flags Defines
  * @brief    Flags defines which can be used with LL_SPI_ReadReg function
  * @{
  */
#define LL_SPI_SR_RXNE                     SPI_SR_RXNE               /*!< Rx buffer not empty flag         */
#define LL_SPI_SR_TXE                      SPI_SR_TXE                /*!< Tx buffer empty flag             */
#define LL_SPI_SR_BSY                      SPI_SR_BSY                /*!< Busy flag                        */
#define LL_SPI_SR_CRCERR                   SPI_SR_CRCERR             /*!< CRC error flag                   */
#define LL_SPI_SR_MODF                     SPI_SR_MODF               /*!< Mode fault flag                  */
#define LL_SPI_SR_OVR                      SPI_SR_OVR                /*!< Overrun flag                     */
#define LL_SPI_SR_FRE                      SPI_SR_FRE                /*!< TI mode frame format error flag  */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_IT IT Defines
  * @brief    IT defines which can be used with LL_SPI_ReadReg and  LL_SPI_WriteReg functions
  * @{
  */
#define LL_SPI_CR2_RXNEIE                  SPI_CR2_RXNEIE            /*!< Rx buffer not empty interrupt enable */
#define LL_SPI_CR2_TXEIE                   SPI_CR2_TXEIE             /*!< Tx buffer empty interrupt enable     */
#define LL_SPI_CR2_ERRIE                   SPI_CR2_ERRIE             /*!< Error interrupt enable               */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_MODE Operation Mode
  * @{
  */
#define LL_SPI_MODE_MASTER                 (SPI_CR1_MSTR | SPI_CR1_SSI)    /*!< Master configuration  */
#define LL_SPI_MODE_SLAVE                  0x00000000U                     /*!< Slave configuration   */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_PROTOCOL Serial Protocol
  * @{
  */
#define LL_SPI_PROTOCOL_MOTOROLA           0x00000000U               /*!< Motorola mode. Used as default value */
#define LL_SPI_PROTOCOL_TI                 (SPI_CR2_FRF)             /*!< TI mode                              */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_PHASE Clock Phase
  * @{
  */
#define LL_SPI_PHASE_1EDGE                 0x00000000U               /*!< First clock transition is the first data capture edge  */
#define LL_SPI_PHASE_2EDGE                 (SPI_CR1_CPHA)            /*!< Second clock transition is the first data capture edge */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_POLARITY Clock Polarity
  * @{
  */
#define LL_SPI_POLARITY_LOW                0x00000000U               /*!< Clock to 0 when idle */
#define LL_SPI_POLARITY_HIGH               (SPI_CR1_CPOL)            /*!< Clock to 1 when idle */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_BAUDRATEPRESCALER Baud Rate Prescaler
  * @{
  */
#define LL_SPI_BAUDRATEPRESCALER_DIV2      0x00000000U                                    /*!< BaudRate control equal to fPCLK/2   */
#define LL_SPI_BAUDRATEPRESCALER_DIV4      (SPI_CR1_BR_0)                                 /*!< BaudRate control equal to fPCLK/4   */
#define LL_SPI_BAUDRATEPRESCALER_DIV8      (SPI_CR1_BR_1)                                 /*!< BaudRate control equal to fPCLK/8   */
#define LL_SPI_BAUDRATEPRESCALER_DIV16     (SPI_CR1_BR_1 | SPI_CR1_BR_0)                  /*!< BaudRate control equal to fPCLK/16  */
#define LL_SPI_BAUDRATEPRESCALER_DIV32     (SPI_CR1_BR_2)                                 /*!< BaudRate control equal to fPCLK/32  */
#define LL_SPI_BAUDRATEPRESCALER_DIV64     (SPI_CR1_BR_2 | SPI_CR1_BR_0)                  /*!< BaudRate control equal to fPCLK/64  */
#define LL_SPI_BAUDRATEPRESCALER_DIV128    (SPI_CR1_BR_2 | SPI_CR1_BR_1)                  /*!< BaudRate control equal to fPCLK/128 */
#define LL_SPI_BAUDRATEPRESCALER_DIV256    (SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0)   /*!< BaudRate control equal to fPCLK/256 */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_BIT_ORDER Transmission Bit Order
  * @{
  */
#define LL_SPI_LSB_FIRST                   (SPI_CR1_LSBFIRST)        /*!< Data is transmitted/received with the LSB first */
#define LL_SPI_MSB_FIRST                   0x00000000U               /*!< Data is transmitted/received with the MSB first */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_TRANSFER_MODE Transfer Mode
  * @{
  */
#define LL_SPI_FULL_DUPLEX                 0x00000000U                          /*!< Full-Duplex mode. Rx and Tx transfer on 2 lines */
#define LL_SPI_SIMPLEX_RX                  (SPI_CR1_RXONLY)                     /*!< Simplex Rx mode.  Rx transfer only on 1 line    */
#define LL_SPI_HALF_DUPLEX_RX              (SPI_CR1_BIDIMODE)                   /*!< Half-Duplex Rx mode. Rx transfer on 1 line      */
#define LL_SPI_HALF_DUPLEX_TX              (SPI_CR1_BIDIMODE | SPI_CR1_BIDIOE)  /*!< Half-Duplex Tx mode. Tx transfer on 1 line      */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_NSS_MODE Slave Select Pin Mode
  * @{
  */
#define LL_SPI_NSS_SOFT                    (SPI_CR1_SSM)                     /*!< NSS managed internally. NSS pin not used and free              */
#define LL_SPI_NSS_HARD_INPUT              0x00000000U                       /*!< NSS pin used in Input. Only used in Master mode                */
#define LL_SPI_NSS_HARD_OUTPUT             (((uint32_t)SPI_CR2_SSOE << 16U)) /*!< NSS pin used in Output. Only used in Slave mode as chip select */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_DATAWIDTH Datawidth
  * @{
  */
#define LL_SPI_DATAWIDTH_4BIT              (SPI_CR2_DS_0 | SPI_CR2_DS_1)                               /*!< Data length for SPI transfer:  4 bits */
#define LL_SPI_DATAWIDTH_5BIT              (SPI_CR2_DS_2)                                              /*!< Data length for SPI transfer:  5 bits */
#define LL_SPI_DATAWIDTH_6BIT              (SPI_CR2_DS_2 | SPI_CR2_DS_0)                               /*!< Data length for SPI transfer:  6 bits */
#define LL_SPI_DATAWIDTH_7BIT              (SPI_CR2_DS_2 | SPI_CR2_DS_1)                               /*!< Data length for SPI transfer:  7 bits */
#define LL_SPI_DATAWIDTH_8BIT              (SPI_CR2_DS_2 | SPI_CR2_DS_1 | SPI_CR2_DS_0)                /*!< Data length for SPI transfer:  8 bits */
#define LL_SPI_DATAWIDTH_9BIT              (SPI_CR2_DS_3)                                              /*!< Data length for SPI transfer:  9 bits */
#define LL_SPI_DATAWIDTH_10BIT             (SPI_CR2_DS_3 | SPI_CR2_DS_0)                               /*!< Data length for SPI transfer: 10 bits */
#define LL_SPI_DATAWIDTH_11BIT             (SPI_CR2_DS_3 | SPI_CR2_DS_1)                               /*!< Data length for SPI transfer: 11 bits */
#define LL_SPI_DATAWIDTH_12BIT             (SPI_CR2_DS_3 | SPI_CR2_DS_1 | SPI_CR2_DS_0)                /*!< Data length for SPI transfer: 12 bits */
#define LL_SPI_DATAWIDTH_13BIT             (SPI_CR2_DS_3 | SPI_CR2_DS_2)                               /*!< Data length for SPI transfer: 13 bits */
#define LL_SPI_DATAWIDTH_14BIT             (SPI_CR2_DS_3 | SPI_CR2_DS_2 | SPI_CR2_DS_0)                /*!< Data length for SPI transfer: 14 bits */
#define LL_SPI_DATAWIDTH_15BIT             (SPI_CR2_DS_3 | SPI_CR2_DS_2 | SPI_CR2_DS_1)                /*!< Data length for SPI transfer: 15 bits */
#define LL_SPI_DATAWIDTH_16BIT             (SPI_CR2_DS_3 | SPI_CR2_DS_2 | SPI_CR2_DS_1 | SPI_CR2_DS_0) /*!< Data length for SPI transfer: 16 bits */
/**
  * @}
  */
#if defined(USE_FULL_LL_DRIVER)

/** @defgroup SPI_LL_EC_CRC_CALCULATION CRC Calculation
  * @{
  */
#define LL_SPI_CRCCALCULATION_DISABLE      0x00000000U               /*!< CRC calculation disabled */
#define LL_SPI_CRCCALCULATION_ENABLE       (SPI_CR1_CRCEN)           /*!< CRC calculation enabled  */
/**
  * @}
  */
#endif /* USE_FULL_LL_DRIVER */

/** @defgroup SPI_LL_EC_CRC_LENGTH CRC Length
  * @{
  */
#define LL_SPI_CRC_8BIT                    0x00000000U               /*!<  8-bit CRC length */
#define LL_SPI_CRC_16BIT                   (SPI_CR1_CRCL)            /*!< 16-bit CRC length */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_RX_FIFO_TH RX FIFO Threshold
  * @{
  */
#define LL_SPI_RX_FIFO_TH_HALF             0x00000000U               /*!< RXNE event is generated if FIFO level is greater than or equel to 1/2 (16-bit) */
#define LL_SPI_RX_FIFO_TH_QUARTER          (SPI_CR2_FRXTH)           /*!< RXNE event is generated if FIFO level is greater than or equel to 1/4 (8-bit)  */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_RX_FIFO RX FIFO Level
  * @{
  */
#define LL_SPI_RX_FIFO_EMPTY               0x00000000U                       /*!< FIFO reception empty */
#define LL_SPI_RX_FIFO_QUARTER_FULL        (SPI_SR_FRLVL_0)                  /*!< FIFO reception 1/4   */
#define LL_SPI_RX_FIFO_HALF_FULL           (SPI_SR_FRLVL_1)                  /*!< FIFO reception 1/2   */
#define LL_SPI_RX_FIFO_FULL                (SPI_SR_FRLVL_1 | SPI_SR_FRLVL_0) /*!< FIFO reception full  */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_TX_FIFO TX FIFO Level
  * @{
  */
#define LL_SPI_TX_FIFO_EMPTY               0x00000000U                       /*!< FIFO transmission empty */
#define LL_SPI_TX_FIFO_QUARTER_FULL        (SPI_SR_FTLVL_0)                  /*!< FIFO transmission 1/4   */
#define LL_SPI_TX_FIFO_HALF_FULL           (SPI_SR_FTLVL_1)                  /*!< FIFO transmission 1/2   */
#define LL_SPI_TX_FIFO_FULL                (SPI_SR_FTLVL_1 | SPI_SR_FTLVL_0) /*!< FIFO transmission full  */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_DMA_PARITY DMA Parity
  * @{
  */
#define LL_SPI_DMA_PARITY_EVEN             0x00000000U   /*!< Select DMA parity Even */
#define LL_SPI_DMA_PARITY_ODD              0x00000001U   /*!< Select DMA parity Odd  */

/**
  * @}
  */

/**
  * @}
  */

/* Exported macro ------------------------------------------------------------*/
/** @defgroup SPI_LL_Exported_Macros SPI Exported Macros
  * @{
  */

/** @defgroup SPI_LL_EM_WRITE_READ Common Write and read registers Macros
  * @{
  */

/**
  * @brief  Write a value in SPI register
  * @param  __INSTANCE__ SPI Instance
  * @param  __REG__ Register to be written
  * @param  __VALUE__ Value to be written in the register
  * @retval None
  */
#define LL_SPI_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))

/**
  * @brief  Read a value in SPI register
  * @param  __INSTANCE__ SPI Instance
  * @param  __REG__ Register to be read
  * @retval Register value
  */
#define LL_SPI_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
/**
  * @}
  */

/**
  * @}
  */

/* Exported functions --------------------------------------------------------*/
/** @defgroup SPI_LL_Exported_Functions SPI Exported Functions
  * @{
  */

/** @defgroup SPI_LL_EF_Configuration Configuration
  * @{
  */

/**
  * @brief  Enable SPI peripheral
  * @rmtoll CR1          SPE           LL_SPI_Enable
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_Enable(SPI_TypeDef *SPIx)
{
  SET_BIT(SPIx->CR1, SPI_CR1_SPE);
}

/**
  * @brief  Disable SPI peripheral
  * @note   When disabling the SPI, follow the procedure described in the Reference Manual.
  * @rmtoll CR1          SPE           LL_SPI_Disable
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_Disable(SPI_TypeDef *SPIx)
{
  CLEAR_BIT(SPIx->CR1, SPI_CR1_SPE);
}

/**
  * @brief  Check if SPI peripheral is enabled
  * @rmtoll CR1          SPE           LL_SPI_IsEnabled
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsEnabled(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->CR1, SPI_CR1_SPE) == (SPI_CR1_SPE)) ? 1UL : 0UL);
}

/**
  * @brief  Set SPI operation mode to Master or Slave
  * @note   This bit should not be changed when communication is ongoing.
  * @rmtoll CR1          MSTR          LL_SPI_SetMode\n
  *         CR1          SSI           LL_SPI_SetMode
  * @param  SPIx SPI Instance
  * @param  Mode This parameter can be one of the following values:
  *         @arg @ref LL_SPI_MODE_MASTER
  *         @arg @ref LL_SPI_MODE_SLAVE
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetMode(SPI_TypeDef *SPIx, uint32_t Mode)
{
  MODIFY_REG(SPIx->CR1, SPI_CR1_MSTR | SPI_CR1_SSI, Mode);
}

/**
  * @brief  Get SPI operation mode (Master or Slave)
  * @rmtoll CR1          MSTR          LL_SPI_GetMode\n
  *         CR1          SSI           LL_SPI_GetMode
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_MODE_MASTER
  *         @arg @ref LL_SPI_MODE_SLAVE
  */
__STATIC_INLINE uint32_t LL_SPI_GetMode(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_MSTR | SPI_CR1_SSI));
}

/**
  * @brief  Set serial protocol used
  * @note   This bit should be written only when SPI is disabled (SPE = 0) for correct operation.
  * @rmtoll CR2          FRF           LL_SPI_SetStandard
  * @param  SPIx SPI Instance
  * @param  Standard This parameter can be one of the following values:
  *         @arg @ref LL_SPI_PROTOCOL_MOTOROLA
  *         @arg @ref LL_SPI_PROTOCOL_TI
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetStandard(SPI_TypeDef *SPIx, uint32_t Standard)
{
  MODIFY_REG(SPIx->CR2, SPI_CR2_FRF, Standard);
}

/**
  * @brief  Get serial protocol used
  * @rmtoll CR2          FRF           LL_SPI_GetStandard
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_PROTOCOL_MOTOROLA
  *         @arg @ref LL_SPI_PROTOCOL_TI
  */
__STATIC_INLINE uint32_t LL_SPI_GetStandard(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->CR2, SPI_CR2_FRF));
}

/**
  * @brief  Set clock phase
  * @note   This bit should not be changed when communication is ongoing.
  *         This bit is not used in SPI TI mode.
  * @rmtoll CR1          CPHA          LL_SPI_SetClockPhase
  * @param  SPIx SPI Instance
  * @param  ClockPhase This parameter can be one of the following values:
  *         @arg @ref LL_SPI_PHASE_1EDGE
  *         @arg @ref LL_SPI_PHASE_2EDGE
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetClockPhase(SPI_TypeDef *SPIx, uint32_t ClockPhase)
{
  MODIFY_REG(SPIx->CR1, SPI_CR1_CPHA, ClockPhase);
}

/**
  * @brief  Get clock phase
  * @rmtoll CR1          CPHA          LL_SPI_GetClockPhase
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_PHASE_1EDGE
  *         @arg @ref LL_SPI_PHASE_2EDGE
  */
__STATIC_INLINE uint32_t LL_SPI_GetClockPhase(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_CPHA));
}

/**
  * @brief  Set clock polarity
  * @note   This bit should not be changed when communication is ongoing.
  *         This bit is not used in SPI TI mode.
  * @rmtoll CR1          CPOL          LL_SPI_SetClockPolarity
  * @param  SPIx SPI Instance
  * @param  ClockPolarity This parameter can be one of the following values:
  *         @arg @ref LL_SPI_POLARITY_LOW
  *         @arg @ref LL_SPI_POLARITY_HIGH
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetClockPolarity(SPI_TypeDef *SPIx, uint32_t ClockPolarity)
{
  MODIFY_REG(SPIx->CR1, SPI_CR1_CPOL, ClockPolarity);
}

/**
  * @brief  Get clock polarity
  * @rmtoll CR1          CPOL          LL_SPI_GetClockPolarity
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_POLARITY_LOW
  *         @arg @ref LL_SPI_POLARITY_HIGH
  */
__STATIC_INLINE uint32_t LL_SPI_GetClockPolarity(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_CPOL));
}

/**
  * @brief  Set baud rate prescaler
  * @note   These bits should not be changed when communication is ongoing. SPI BaudRate = fPCLK/Prescaler.
  * @rmtoll CR1          BR            LL_SPI_SetBaudRatePrescaler
  * @param  SPIx SPI Instance
  * @param  BaudRate This parameter can be one of the following values:
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV2
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV4
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV8
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV16
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV32
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV64
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV128
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV256
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetBaudRatePrescaler(SPI_TypeDef *SPIx, uint32_t BaudRate)
{
  MODIFY_REG(SPIx->CR1, SPI_CR1_BR, BaudRate);
}

/**
  * @brief  Get baud rate prescaler
  * @rmtoll CR1          BR            LL_SPI_GetBaudRatePrescaler
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV2
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV4
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV8
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV16
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV32
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV64
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV128
  *         @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV256
  */
__STATIC_INLINE uint32_t LL_SPI_GetBaudRatePrescaler(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_BR));
}

/**
  * @brief  Set transfer bit order
  * @note   This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode.
  * @rmtoll CR1          LSBFIRST      LL_SPI_SetTransferBitOrder
  * @param  SPIx SPI Instance
  * @param  BitOrder This parameter can be one of the following values:
  *         @arg @ref LL_SPI_LSB_FIRST
  *         @arg @ref LL_SPI_MSB_FIRST
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetTransferBitOrder(SPI_TypeDef *SPIx, uint32_t BitOrder)
{
  MODIFY_REG(SPIx->CR1, SPI_CR1_LSBFIRST, BitOrder);
}

/**
  * @brief  Get transfer bit order
  * @rmtoll CR1          LSBFIRST      LL_SPI_GetTransferBitOrder
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_LSB_FIRST
  *         @arg @ref LL_SPI_MSB_FIRST
  */
__STATIC_INLINE uint32_t LL_SPI_GetTransferBitOrder(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_LSBFIRST));
}

/**
  * @brief  Set transfer direction mode
  * @note   For Half-Duplex mode, Rx Direction is set by default.
  *         In master mode, the MOSI pin is used and in slave mode, the MISO pin is used for Half-Duplex.
  * @rmtoll CR1          RXONLY        LL_SPI_SetTransferDirection\n
  *         CR1          BIDIMODE      LL_SPI_SetTransferDirection\n
  *         CR1          BIDIOE        LL_SPI_SetTransferDirection
  * @param  SPIx SPI Instance
  * @param  TransferDirection This parameter can be one of the following values:
  *         @arg @ref LL_SPI_FULL_DUPLEX
  *         @arg @ref LL_SPI_SIMPLEX_RX
  *         @arg @ref LL_SPI_HALF_DUPLEX_RX
  *         @arg @ref LL_SPI_HALF_DUPLEX_TX
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetTransferDirection(SPI_TypeDef *SPIx, uint32_t TransferDirection)
{
  MODIFY_REG(SPIx->CR1, SPI_CR1_RXONLY | SPI_CR1_BIDIMODE | SPI_CR1_BIDIOE, TransferDirection);
}

/**
  * @brief  Get transfer direction mode
  * @rmtoll CR1          RXONLY        LL_SPI_GetTransferDirection\n
  *         CR1          BIDIMODE      LL_SPI_GetTransferDirection\n
  *         CR1          BIDIOE        LL_SPI_GetTransferDirection
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_FULL_DUPLEX
  *         @arg @ref LL_SPI_SIMPLEX_RX
  *         @arg @ref LL_SPI_HALF_DUPLEX_RX
  *         @arg @ref LL_SPI_HALF_DUPLEX_TX
  */
__STATIC_INLINE uint32_t LL_SPI_GetTransferDirection(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_RXONLY | SPI_CR1_BIDIMODE | SPI_CR1_BIDIOE));
}

/**
  * @brief  Set frame data width
  * @rmtoll CR2          DS            LL_SPI_SetDataWidth
  * @param  SPIx SPI Instance
  * @param  DataWidth This parameter can be one of the following values:
  *         @arg @ref LL_SPI_DATAWIDTH_4BIT
  *         @arg @ref LL_SPI_DATAWIDTH_5BIT
  *         @arg @ref LL_SPI_DATAWIDTH_6BIT
  *         @arg @ref LL_SPI_DATAWIDTH_7BIT
  *         @arg @ref LL_SPI_DATAWIDTH_8BIT
  *         @arg @ref LL_SPI_DATAWIDTH_9BIT
  *         @arg @ref LL_SPI_DATAWIDTH_10BIT
  *         @arg @ref LL_SPI_DATAWIDTH_11BIT
  *         @arg @ref LL_SPI_DATAWIDTH_12BIT
  *         @arg @ref LL_SPI_DATAWIDTH_13BIT
  *         @arg @ref LL_SPI_DATAWIDTH_14BIT
  *         @arg @ref LL_SPI_DATAWIDTH_15BIT
  *         @arg @ref LL_SPI_DATAWIDTH_16BIT
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetDataWidth(SPI_TypeDef *SPIx, uint32_t DataWidth)
{
  MODIFY_REG(SPIx->CR2, SPI_CR2_DS, DataWidth);
}

/**
  * @brief  Get frame data width
  * @rmtoll CR2          DS            LL_SPI_GetDataWidth
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_DATAWIDTH_4BIT
  *         @arg @ref LL_SPI_DATAWIDTH_5BIT
  *         @arg @ref LL_SPI_DATAWIDTH_6BIT
  *         @arg @ref LL_SPI_DATAWIDTH_7BIT
  *         @arg @ref LL_SPI_DATAWIDTH_8BIT
  *         @arg @ref LL_SPI_DATAWIDTH_9BIT
  *         @arg @ref LL_SPI_DATAWIDTH_10BIT
  *         @arg @ref LL_SPI_DATAWIDTH_11BIT
  *         @arg @ref LL_SPI_DATAWIDTH_12BIT
  *         @arg @ref LL_SPI_DATAWIDTH_13BIT
  *         @arg @ref LL_SPI_DATAWIDTH_14BIT
  *         @arg @ref LL_SPI_DATAWIDTH_15BIT
  *         @arg @ref LL_SPI_DATAWIDTH_16BIT
  */
__STATIC_INLINE uint32_t LL_SPI_GetDataWidth(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->CR2, SPI_CR2_DS));
}

/**
  * @brief  Set threshold of RXFIFO that triggers an RXNE event
  * @rmtoll CR2          FRXTH         LL_SPI_SetRxFIFOThreshold
  * @param  SPIx SPI Instance
  * @param  Threshold This parameter can be one of the following values:
  *         @arg @ref LL_SPI_RX_FIFO_TH_HALF
  *         @arg @ref LL_SPI_RX_FIFO_TH_QUARTER
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetRxFIFOThreshold(SPI_TypeDef *SPIx, uint32_t Threshold)
{
  MODIFY_REG(SPIx->CR2, SPI_CR2_FRXTH, Threshold);
}

/**
  * @brief  Get threshold of RXFIFO that triggers an RXNE event
  * @rmtoll CR2          FRXTH         LL_SPI_GetRxFIFOThreshold
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_RX_FIFO_TH_HALF
  *         @arg @ref LL_SPI_RX_FIFO_TH_QUARTER
  */
__STATIC_INLINE uint32_t LL_SPI_GetRxFIFOThreshold(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->CR2, SPI_CR2_FRXTH));
}

/**
  * @}
  */

/** @defgroup SPI_LL_EF_CRC_Management CRC Management
  * @{
  */

/**
  * @brief  Enable CRC
  * @note   This bit should be written only when SPI is disabled (SPE = 0) for correct operation.
  * @rmtoll CR1          CRCEN         LL_SPI_EnableCRC
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_EnableCRC(SPI_TypeDef *SPIx)
{
  SET_BIT(SPIx->CR1, SPI_CR1_CRCEN);
}

/**
  * @brief  Disable CRC
  * @note   This bit should be written only when SPI is disabled (SPE = 0) for correct operation.
  * @rmtoll CR1          CRCEN         LL_SPI_DisableCRC
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_DisableCRC(SPI_TypeDef *SPIx)
{
  CLEAR_BIT(SPIx->CR1, SPI_CR1_CRCEN);
}

/**
  * @brief  Check if CRC is enabled
  * @note   This bit should be written only when SPI is disabled (SPE = 0) for correct operation.
  * @rmtoll CR1          CRCEN         LL_SPI_IsEnabledCRC
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsEnabledCRC(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->CR1, SPI_CR1_CRCEN) == (SPI_CR1_CRCEN)) ? 1UL : 0UL);
}

/**
  * @brief  Set CRC Length
  * @note   This bit should be written only when SPI is disabled (SPE = 0) for correct operation.
  * @rmtoll CR1          CRCL          LL_SPI_SetCRCWidth
  * @param  SPIx SPI Instance
  * @param  CRCLength This parameter can be one of the following values:
  *         @arg @ref LL_SPI_CRC_8BIT
  *         @arg @ref LL_SPI_CRC_16BIT
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetCRCWidth(SPI_TypeDef *SPIx, uint32_t CRCLength)
{
  MODIFY_REG(SPIx->CR1, SPI_CR1_CRCL, CRCLength);
}

/**
  * @brief  Get CRC Length
  * @rmtoll CR1          CRCL          LL_SPI_GetCRCWidth
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_CRC_8BIT
  *         @arg @ref LL_SPI_CRC_16BIT
  */
__STATIC_INLINE uint32_t LL_SPI_GetCRCWidth(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_CRCL));
}

/**
  * @brief  Set CRCNext to transfer CRC on the line
  * @note   This bit has to be written as soon as the last data is written in the SPIx_DR register.
  * @rmtoll CR1          CRCNEXT       LL_SPI_SetCRCNext
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetCRCNext(SPI_TypeDef *SPIx)
{
  SET_BIT(SPIx->CR1, SPI_CR1_CRCNEXT);
}

/**
  * @brief  Set polynomial for CRC calculation
  * @rmtoll CRCPR        CRCPOLY       LL_SPI_SetCRCPolynomial
  * @param  SPIx SPI Instance
  * @param  CRCPoly This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFFFF
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetCRCPolynomial(SPI_TypeDef *SPIx, uint32_t CRCPoly)
{
  WRITE_REG(SPIx->CRCPR, (uint16_t)CRCPoly);
}

/**
  * @brief  Get polynomial for CRC calculation
  * @rmtoll CRCPR        CRCPOLY       LL_SPI_GetCRCPolynomial
  * @param  SPIx SPI Instance
  * @retval Returned value is a number between Min_Data = 0x00 and Max_Data = 0xFFFF
  */
__STATIC_INLINE uint32_t LL_SPI_GetCRCPolynomial(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_REG(SPIx->CRCPR));
}

/**
  * @brief  Get Rx CRC
  * @rmtoll RXCRCR       RXCRC         LL_SPI_GetRxCRC
  * @param  SPIx SPI Instance
  * @retval Returned value is a number between Min_Data = 0x00 and Max_Data = 0xFFFF
  */
__STATIC_INLINE uint32_t LL_SPI_GetRxCRC(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_REG(SPIx->RXCRCR));
}

/**
  * @brief  Get Tx CRC
  * @rmtoll TXCRCR       TXCRC         LL_SPI_GetTxCRC
  * @param  SPIx SPI Instance
  * @retval Returned value is a number between Min_Data = 0x00 and Max_Data = 0xFFFF
  */
__STATIC_INLINE uint32_t LL_SPI_GetTxCRC(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_REG(SPIx->TXCRCR));
}

/**
  * @}
  */

/** @defgroup SPI_LL_EF_NSS_Management Slave Select Pin Management
  * @{
  */

/**
  * @brief  Set NSS mode
  * @note   LL_SPI_NSS_SOFT Mode is not used in SPI TI mode.
  * @rmtoll CR1          SSM           LL_SPI_SetNSSMode\n
  * @rmtoll CR2          SSOE          LL_SPI_SetNSSMode
  * @param  SPIx SPI Instance
  * @param  NSS This parameter can be one of the following values:
  *         @arg @ref LL_SPI_NSS_SOFT
  *         @arg @ref LL_SPI_NSS_HARD_INPUT
  *         @arg @ref LL_SPI_NSS_HARD_OUTPUT
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetNSSMode(SPI_TypeDef *SPIx, uint32_t NSS)
{
  MODIFY_REG(SPIx->CR1, SPI_CR1_SSM,  NSS);
  MODIFY_REG(SPIx->CR2, SPI_CR2_SSOE, ((uint32_t)(NSS >> 16U)));
}

/**
  * @brief  Get NSS mode
  * @rmtoll CR1          SSM           LL_SPI_GetNSSMode\n
  * @rmtoll CR2          SSOE          LL_SPI_GetNSSMode
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_NSS_SOFT
  *         @arg @ref LL_SPI_NSS_HARD_INPUT
  *         @arg @ref LL_SPI_NSS_HARD_OUTPUT
  */
__STATIC_INLINE uint32_t LL_SPI_GetNSSMode(SPI_TypeDef *SPIx)
{
  register uint32_t Ssm  = (READ_BIT(SPIx->CR1, SPI_CR1_SSM));
  register uint32_t Ssoe = (READ_BIT(SPIx->CR2,  SPI_CR2_SSOE) << 16U);
  return (Ssm | Ssoe);
}

/**
  * @brief  Enable NSS pulse management
  * @note   This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode.
  * @rmtoll CR2          NSSP          LL_SPI_EnableNSSPulseMgt
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_EnableNSSPulseMgt(SPI_TypeDef *SPIx)
{
  SET_BIT(SPIx->CR2, SPI_CR2_NSSP);
}

/**
  * @brief  Disable NSS pulse management
  * @note   This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode.
  * @rmtoll CR2          NSSP          LL_SPI_DisableNSSPulseMgt
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_DisableNSSPulseMgt(SPI_TypeDef *SPIx)
{
  CLEAR_BIT(SPIx->CR2, SPI_CR2_NSSP);
}

/**
  * @brief  Check if NSS pulse is enabled
  * @note   This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode.
  * @rmtoll CR2          NSSP          LL_SPI_IsEnabledNSSPulse
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsEnabledNSSPulse(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->CR2, SPI_CR2_NSSP) == (SPI_CR2_NSSP)) ? 1UL : 0UL);
}

/**
  * @}
  */

/** @defgroup SPI_LL_EF_FLAG_Management FLAG Management
  * @{
  */

/**
  * @brief  Check if Rx buffer is not empty
  * @rmtoll SR           RXNE          LL_SPI_IsActiveFlag_RXNE
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_RXNE(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->SR, SPI_SR_RXNE) == (SPI_SR_RXNE)) ? 1UL : 0UL);
}

/**
  * @brief  Check if Tx buffer is empty
  * @rmtoll SR           TXE           LL_SPI_IsActiveFlag_TXE
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_TXE(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->SR, SPI_SR_TXE) == (SPI_SR_TXE)) ? 1UL : 0UL);
}

/**
  * @brief  Get CRC error flag
  * @rmtoll SR           CRCERR        LL_SPI_IsActiveFlag_CRCERR
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_CRCERR(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->SR, SPI_SR_CRCERR) == (SPI_SR_CRCERR)) ? 1UL : 0UL);
}

/**
  * @brief  Get mode fault error flag
  * @rmtoll SR           MODF          LL_SPI_IsActiveFlag_MODF
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_MODF(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->SR, SPI_SR_MODF) == (SPI_SR_MODF)) ? 1UL : 0UL);
}

/**
  * @brief  Get overrun error flag
  * @rmtoll SR           OVR           LL_SPI_IsActiveFlag_OVR
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_OVR(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->SR, SPI_SR_OVR) == (SPI_SR_OVR)) ? 1UL : 0UL);
}

/**
  * @brief  Get busy flag
  * @note   The BSY flag is cleared under any one of the following conditions:
  * -When the SPI is correctly disabled
  * -When a fault is detected in Master mode (MODF bit set to 1)
  * -In Master mode, when it finishes a data transmission and no new data is ready to be
  * sent
  * -In Slave mode, when the BSY flag is set to '0' for at least one SPI clock cycle between
  * each data transfer.
  * @rmtoll SR           BSY           LL_SPI_IsActiveFlag_BSY
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_BSY(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->SR, SPI_SR_BSY) == (SPI_SR_BSY)) ? 1UL : 0UL);
}

/**
  * @brief  Get frame format error flag
  * @rmtoll SR           FRE           LL_SPI_IsActiveFlag_FRE
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_FRE(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->SR, SPI_SR_FRE) == (SPI_SR_FRE)) ? 1UL : 0UL);
}

/**
  * @brief  Get FIFO reception Level
  * @rmtoll SR           FRLVL         LL_SPI_GetRxFIFOLevel
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_RX_FIFO_EMPTY
  *         @arg @ref LL_SPI_RX_FIFO_QUARTER_FULL
  *         @arg @ref LL_SPI_RX_FIFO_HALF_FULL
  *         @arg @ref LL_SPI_RX_FIFO_FULL
  */
__STATIC_INLINE uint32_t LL_SPI_GetRxFIFOLevel(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->SR, SPI_SR_FRLVL));
}

/**
  * @brief  Get FIFO Transmission Level
  * @rmtoll SR           FTLVL         LL_SPI_GetTxFIFOLevel
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_TX_FIFO_EMPTY
  *         @arg @ref LL_SPI_TX_FIFO_QUARTER_FULL
  *         @arg @ref LL_SPI_TX_FIFO_HALF_FULL
  *         @arg @ref LL_SPI_TX_FIFO_FULL
  */
__STATIC_INLINE uint32_t LL_SPI_GetTxFIFOLevel(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->SR, SPI_SR_FTLVL));
}

/**
  * @brief  Clear CRC error flag
  * @rmtoll SR           CRCERR        LL_SPI_ClearFlag_CRCERR
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_ClearFlag_CRCERR(SPI_TypeDef *SPIx)
{
  CLEAR_BIT(SPIx->SR, SPI_SR_CRCERR);
}

/**
  * @brief  Clear mode fault error flag
  * @note   Clearing this flag is done by a read access to the SPIx_SR
  *         register followed by a write access to the SPIx_CR1 register
  * @rmtoll SR           MODF          LL_SPI_ClearFlag_MODF
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_ClearFlag_MODF(SPI_TypeDef *SPIx)
{
  __IO uint32_t tmpreg_sr;
  tmpreg_sr = SPIx->SR;
  (void) tmpreg_sr;
  CLEAR_BIT(SPIx->CR1, SPI_CR1_SPE);
}

/**
  * @brief  Clear overrun error flag
  * @note   Clearing this flag is done by a read access to the SPIx_DR
  *         register followed by a read access to the SPIx_SR register
  * @rmtoll SR           OVR           LL_SPI_ClearFlag_OVR
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_ClearFlag_OVR(SPI_TypeDef *SPIx)
{
  __IO uint32_t tmpreg;
  tmpreg = SPIx->DR;
  (void) tmpreg;
  tmpreg = SPIx->SR;
  (void) tmpreg;
}

/**
  * @brief  Clear frame format error flag
  * @note   Clearing this flag is done by reading SPIx_SR register
  * @rmtoll SR           FRE           LL_SPI_ClearFlag_FRE
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_ClearFlag_FRE(SPI_TypeDef *SPIx)
{
  __IO uint32_t tmpreg;
  tmpreg = SPIx->SR;
  (void) tmpreg;
}

/**
  * @}
  */

/** @defgroup SPI_LL_EF_IT_Management Interrupt Management
  * @{
  */

/**
  * @brief  Enable error interrupt
  * @note   This bit controls the generation of an interrupt when an error condition occurs (CRCERR, OVR, MODF in SPI mode, FRE at TI mode).
  * @rmtoll CR2          ERRIE         LL_SPI_EnableIT_ERR
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_EnableIT_ERR(SPI_TypeDef *SPIx)
{
  SET_BIT(SPIx->CR2, SPI_CR2_ERRIE);
}

/**
  * @brief  Enable Rx buffer not empty interrupt
  * @rmtoll CR2          RXNEIE        LL_SPI_EnableIT_RXNE
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_EnableIT_RXNE(SPI_TypeDef *SPIx)
{
  SET_BIT(SPIx->CR2, SPI_CR2_RXNEIE);
}

/**
  * @brief  Enable Tx buffer empty interrupt
  * @rmtoll CR2          TXEIE         LL_SPI_EnableIT_TXE
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_EnableIT_TXE(SPI_TypeDef *SPIx)
{
  SET_BIT(SPIx->CR2, SPI_CR2_TXEIE);
}

/**
  * @brief  Disable error interrupt
  * @note   This bit controls the generation of an interrupt when an error condition occurs (CRCERR, OVR, MODF in SPI mode, FRE at TI mode).
  * @rmtoll CR2          ERRIE         LL_SPI_DisableIT_ERR
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_DisableIT_ERR(SPI_TypeDef *SPIx)
{
  CLEAR_BIT(SPIx->CR2, SPI_CR2_ERRIE);
}

/**
  * @brief  Disable Rx buffer not empty interrupt
  * @rmtoll CR2          RXNEIE        LL_SPI_DisableIT_RXNE
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_DisableIT_RXNE(SPI_TypeDef *SPIx)
{
  CLEAR_BIT(SPIx->CR2, SPI_CR2_RXNEIE);
}

/**
  * @brief  Disable Tx buffer empty interrupt
  * @rmtoll CR2          TXEIE         LL_SPI_DisableIT_TXE
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_DisableIT_TXE(SPI_TypeDef *SPIx)
{
  CLEAR_BIT(SPIx->CR2, SPI_CR2_TXEIE);
}

/**
  * @brief  Check if error interrupt is enabled
  * @rmtoll CR2          ERRIE         LL_SPI_IsEnabledIT_ERR
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsEnabledIT_ERR(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->CR2, SPI_CR2_ERRIE) == (SPI_CR2_ERRIE)) ? 1UL : 0UL);
}

/**
  * @brief  Check if Rx buffer not empty interrupt is enabled
  * @rmtoll CR2          RXNEIE        LL_SPI_IsEnabledIT_RXNE
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsEnabledIT_RXNE(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->CR2, SPI_CR2_RXNEIE) == (SPI_CR2_RXNEIE)) ? 1UL : 0UL);
}

/**
  * @brief  Check if Tx buffer empty interrupt
  * @rmtoll CR2          TXEIE         LL_SPI_IsEnabledIT_TXE
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsEnabledIT_TXE(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->CR2, SPI_CR2_TXEIE) == (SPI_CR2_TXEIE)) ? 1UL : 0UL);
}

/**
  * @}
  */

/** @defgroup SPI_LL_EF_DMA_Management DMA Management
  * @{
  */

/**
  * @brief  Enable DMA Rx
  * @rmtoll CR2          RXDMAEN       LL_SPI_EnableDMAReq_RX
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_EnableDMAReq_RX(SPI_TypeDef *SPIx)
{
  SET_BIT(SPIx->CR2, SPI_CR2_RXDMAEN);
}

/**
  * @brief  Disable DMA Rx
  * @rmtoll CR2          RXDMAEN       LL_SPI_DisableDMAReq_RX
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_DisableDMAReq_RX(SPI_TypeDef *SPIx)
{
  CLEAR_BIT(SPIx->CR2, SPI_CR2_RXDMAEN);
}

/**
  * @brief  Check if DMA Rx is enabled
  * @rmtoll CR2          RXDMAEN       LL_SPI_IsEnabledDMAReq_RX
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsEnabledDMAReq_RX(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->CR2, SPI_CR2_RXDMAEN) == (SPI_CR2_RXDMAEN)) ? 1UL : 0UL);
}

/**
  * @brief  Enable DMA Tx
  * @rmtoll CR2          TXDMAEN       LL_SPI_EnableDMAReq_TX
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_EnableDMAReq_TX(SPI_TypeDef *SPIx)
{
  SET_BIT(SPIx->CR2, SPI_CR2_TXDMAEN);
}

/**
  * @brief  Disable DMA Tx
  * @rmtoll CR2          TXDMAEN       LL_SPI_DisableDMAReq_TX
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_SPI_DisableDMAReq_TX(SPI_TypeDef *SPIx)
{
  CLEAR_BIT(SPIx->CR2, SPI_CR2_TXDMAEN);
}

/**
  * @brief  Check if DMA Tx is enabled
  * @rmtoll CR2          TXDMAEN       LL_SPI_IsEnabledDMAReq_TX
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_SPI_IsEnabledDMAReq_TX(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->CR2, SPI_CR2_TXDMAEN) == (SPI_CR2_TXDMAEN)) ? 1UL : 0UL);
}

/**
  * @brief  Set parity of  Last DMA reception
  * @rmtoll CR2          LDMARX        LL_SPI_SetDMAParity_RX
  * @param  SPIx SPI Instance
  * @param  Parity This parameter can be one of the following values:
  *         @arg @ref LL_SPI_DMA_PARITY_ODD
  *         @arg @ref LL_SPI_DMA_PARITY_EVEN
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetDMAParity_RX(SPI_TypeDef *SPIx, uint32_t Parity)
{
  MODIFY_REG(SPIx->CR2, SPI_CR2_LDMARX, (Parity << SPI_CR2_LDMARX_Pos));
}

/**
  * @brief  Get parity configuration for  Last DMA reception
  * @rmtoll CR2          LDMARX        LL_SPI_GetDMAParity_RX
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_DMA_PARITY_ODD
  *         @arg @ref LL_SPI_DMA_PARITY_EVEN
  */
__STATIC_INLINE uint32_t LL_SPI_GetDMAParity_RX(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->CR2, SPI_CR2_LDMARX) >> SPI_CR2_LDMARX_Pos);
}

/**
  * @brief  Set parity of  Last DMA transmission
  * @rmtoll CR2          LDMATX        LL_SPI_SetDMAParity_TX
  * @param  SPIx SPI Instance
  * @param  Parity This parameter can be one of the following values:
  *         @arg @ref LL_SPI_DMA_PARITY_ODD
  *         @arg @ref LL_SPI_DMA_PARITY_EVEN
  * @retval None
  */
__STATIC_INLINE void LL_SPI_SetDMAParity_TX(SPI_TypeDef *SPIx, uint32_t Parity)
{
  MODIFY_REG(SPIx->CR2, SPI_CR2_LDMATX, (Parity << SPI_CR2_LDMATX_Pos));
}

/**
  * @brief  Get parity configuration for Last DMA transmission
  * @rmtoll CR2          LDMATX        LL_SPI_GetDMAParity_TX
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_SPI_DMA_PARITY_ODD
  *         @arg @ref LL_SPI_DMA_PARITY_EVEN
  */
__STATIC_INLINE uint32_t LL_SPI_GetDMAParity_TX(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->CR2, SPI_CR2_LDMATX) >> SPI_CR2_LDMATX_Pos);
}

/**
  * @brief  Get the data register address used for DMA transfer
  * @rmtoll DR           DR            LL_SPI_DMA_GetRegAddr
  * @param  SPIx SPI Instance
  * @retval Address of data register
  */
__STATIC_INLINE uint32_t LL_SPI_DMA_GetRegAddr(SPI_TypeDef *SPIx)
{
  return (uint32_t) &(SPIx->DR);
}

/**
  * @}
  */

/** @defgroup SPI_LL_EF_DATA_Management DATA Management
  * @{
  */

/**
  * @brief  Read 8-Bits in the data register
  * @rmtoll DR           DR            LL_SPI_ReceiveData8
  * @param  SPIx SPI Instance
  * @retval RxData Value between Min_Data=0x00 and Max_Data=0xFF
  */
__STATIC_INLINE uint8_t LL_SPI_ReceiveData8(SPI_TypeDef *SPIx)
{
  return (uint8_t)(READ_REG(SPIx->DR));
}

/**
  * @brief  Read 16-Bits in the data register
  * @rmtoll DR           DR            LL_SPI_ReceiveData16
  * @param  SPIx SPI Instance
  * @retval RxData Value between Min_Data=0x00 and Max_Data=0xFFFF
  */
__STATIC_INLINE uint16_t LL_SPI_ReceiveData16(SPI_TypeDef *SPIx)
{
  return (uint16_t)(READ_REG(SPIx->DR));
}

/**
  * @brief  Write 8-Bits in the data register
  * @rmtoll DR           DR            LL_SPI_TransmitData8
  * @param  SPIx SPI Instance
  * @param  TxData Value between Min_Data=0x00 and Max_Data=0xFF
  * @retval None
  */
__STATIC_INLINE void LL_SPI_TransmitData8(SPI_TypeDef *SPIx, uint8_t TxData)
{
#if defined (__GNUC__)
  __IO uint8_t *spidr = ((__IO uint8_t *)&SPIx->DR);
  *spidr = TxData;
#else
  *((__IO uint8_t *)&SPIx->DR) = TxData;
#endif /* __GNUC__ */
}

/**
  * @brief  Write 16-Bits in the data register
  * @rmtoll DR           DR            LL_SPI_TransmitData16
  * @param  SPIx SPI Instance
  * @param  TxData Value between Min_Data=0x00 and Max_Data=0xFFFF
  * @retval None
  */
__STATIC_INLINE void LL_SPI_TransmitData16(SPI_TypeDef *SPIx, uint16_t TxData)
{
#if defined (__GNUC__)
  __IO uint16_t *spidr = ((__IO uint16_t *)&SPIx->DR);
  *spidr = TxData;
#else
  SPIx->DR = TxData;
#endif /* __GNUC__ */
}

/**
  * @}
  */
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup SPI_LL_EF_Init Initialization and de-initialization functions
  * @{
  */

ErrorStatus LL_SPI_DeInit(SPI_TypeDef *SPIx);
ErrorStatus LL_SPI_Init(SPI_TypeDef *SPIx, LL_SPI_InitTypeDef *SPI_InitStruct);
void        LL_SPI_StructInit(LL_SPI_InitTypeDef *SPI_InitStruct);

/**
  * @}
  */
#endif /* USE_FULL_LL_DRIVER */
/**
  * @}
  */

/**
  * @}
  */

#if defined(SPI_I2S_SUPPORT)
/** @defgroup I2S_LL I2S
  * @{
  */

/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/

/* Exported types ------------------------------------------------------------*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup I2S_LL_ES_INIT I2S Exported Init structure
  * @{
  */

/**
  * @brief  I2S Init structure definition
  */

typedef struct
{
  uint32_t Mode;                    /*!< Specifies the I2S operating mode.
                                         This parameter can be a value of @ref I2S_LL_EC_MODE

                                         This feature can be modified afterwards using unitary function @ref LL_I2S_SetTransferMode().*/

  uint32_t Standard;                /*!< Specifies the standard used for the I2S communication.
                                         This parameter can be a value of @ref I2S_LL_EC_STANDARD

                                         This feature can be modified afterwards using unitary function @ref LL_I2S_SetStandard().*/


  uint32_t DataFormat;              /*!< Specifies the data format for the I2S communication.
                                         This parameter can be a value of @ref I2S_LL_EC_DATA_FORMAT

                                         This feature can be modified afterwards using unitary function @ref LL_I2S_SetDataFormat().*/


  uint32_t MCLKOutput;              /*!< Specifies whether the I2S MCLK output is enabled or not.
                                         This parameter can be a value of @ref I2S_LL_EC_MCLK_OUTPUT

                                         This feature can be modified afterwards using unitary functions @ref LL_I2S_EnableMasterClock() or @ref LL_I2S_DisableMasterClock.*/


  uint32_t AudioFreq;               /*!< Specifies the frequency selected for the I2S communication.
                                         This parameter can be a value of @ref I2S_LL_EC_AUDIO_FREQ

                                         Audio Frequency can be modified afterwards using Reference manual formulas to calculate Prescaler Linear, Parity
                                         and unitary functions @ref LL_I2S_SetPrescalerLinear() and @ref LL_I2S_SetPrescalerParity() to set it.*/


  uint32_t ClockPolarity;           /*!< Specifies the idle state of the I2S clock.
                                         This parameter can be a value of @ref I2S_LL_EC_POLARITY

                                         This feature can be modified afterwards using unitary function @ref LL_I2S_SetClockPolarity().*/

} LL_I2S_InitTypeDef;

/**
  * @}
  */
#endif /*USE_FULL_LL_DRIVER*/

/* Exported constants --------------------------------------------------------*/
/** @defgroup I2S_LL_Exported_Constants I2S Exported Constants
  * @{
  */

/** @defgroup I2S_LL_EC_GET_FLAG Get Flags Defines
  * @brief    Flags defines which can be used with LL_I2S_ReadReg function
  * @{
  */
#define LL_I2S_SR_RXNE                     LL_SPI_SR_RXNE            /*!< Rx buffer not empty flag         */
#define LL_I2S_SR_TXE                      LL_SPI_SR_TXE             /*!< Tx buffer empty flag             */
#define LL_I2S_SR_BSY                      LL_SPI_SR_BSY             /*!< Busy flag                        */
#define LL_I2S_SR_UDR                      SPI_SR_UDR                /*!< Underrun flag                    */
#define LL_I2S_SR_OVR                      LL_SPI_SR_OVR             /*!< Overrun flag                     */
#define LL_I2S_SR_FRE                      LL_SPI_SR_FRE             /*!< TI mode frame format error flag  */
/**
  * @}
  */

/** @defgroup SPI_LL_EC_IT IT Defines
  * @brief    IT defines which can be used with LL_SPI_ReadReg and  LL_SPI_WriteReg functions
  * @{
  */
#define LL_I2S_CR2_RXNEIE                  LL_SPI_CR2_RXNEIE         /*!< Rx buffer not empty interrupt enable */
#define LL_I2S_CR2_TXEIE                   LL_SPI_CR2_TXEIE          /*!< Tx buffer empty interrupt enable     */
#define LL_I2S_CR2_ERRIE                   LL_SPI_CR2_ERRIE          /*!< Error interrupt enable               */
/**
  * @}
  */

/** @defgroup I2S_LL_EC_DATA_FORMAT Data format
  * @{
  */
#define LL_I2S_DATAFORMAT_16B              0x00000000U                                   /*!< Data length 16 bits, Channel lenght 16bit */
#define LL_I2S_DATAFORMAT_16B_EXTENDED     (SPI_I2SCFGR_CHLEN)                           /*!< Data length 16 bits, Channel lenght 32bit */
#define LL_I2S_DATAFORMAT_24B              (SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN_0)    /*!< Data length 24 bits, Channel lenght 32bit */
#define LL_I2S_DATAFORMAT_32B              (SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN_1)    /*!< Data length 16 bits, Channel lenght 32bit */
/**
  * @}
  */

/** @defgroup I2S_LL_EC_POLARITY Clock Polarity
  * @{
  */
#define LL_I2S_POLARITY_LOW                0x00000000U               /*!< Clock steady state is low level  */
#define LL_I2S_POLARITY_HIGH               (SPI_I2SCFGR_CKPOL)       /*!< Clock steady state is high level */
/**
  * @}
  */

/** @defgroup I2S_LL_EC_STANDARD I2s Standard
  * @{
  */
#define LL_I2S_STANDARD_PHILIPS            0x00000000U                                                         /*!< I2S standard philips                      */
#define LL_I2S_STANDARD_MSB                (SPI_I2SCFGR_I2SSTD_0)                                              /*!< MSB justified standard (left justified)   */
#define LL_I2S_STANDARD_LSB                (SPI_I2SCFGR_I2SSTD_1)                                              /*!< LSB justified standard (right justified)  */
#define LL_I2S_STANDARD_PCM_SHORT          (SPI_I2SCFGR_I2SSTD_0 | SPI_I2SCFGR_I2SSTD_1)                       /*!< PCM standard, short frame synchronization */
#define LL_I2S_STANDARD_PCM_LONG           (SPI_I2SCFGR_I2SSTD_0 | SPI_I2SCFGR_I2SSTD_1 | SPI_I2SCFGR_PCMSYNC) /*!< PCM standard, long frame synchronization  */
/**
  * @}
  */

/** @defgroup I2S_LL_EC_MODE Operation Mode
  * @{
  */
#define LL_I2S_MODE_SLAVE_TX               0x00000000U                                   /*!< Slave Tx configuration  */
#define LL_I2S_MODE_SLAVE_RX               (SPI_I2SCFGR_I2SCFG_0)                        /*!< Slave Rx configuration  */
#define LL_I2S_MODE_MASTER_TX              (SPI_I2SCFGR_I2SCFG_1)                        /*!< Master Tx configuration */
#define LL_I2S_MODE_MASTER_RX              (SPI_I2SCFGR_I2SCFG_0 | SPI_I2SCFGR_I2SCFG_1) /*!< Master Rx configuration */
/**
  * @}
  */

/** @defgroup I2S_LL_EC_PRESCALER_FACTOR Prescaler Factor
  * @{
  */
#define LL_I2S_PRESCALER_PARITY_EVEN       0x00000000U               /*!< Odd factor: Real divider value is =  I2SDIV * 2    */
#define LL_I2S_PRESCALER_PARITY_ODD        (SPI_I2SPR_ODD >> 8U)     /*!< Odd factor: Real divider value is = (I2SDIV * 2)+1 */
/**
  * @}
  */

#if defined(USE_FULL_LL_DRIVER)

/** @defgroup I2S_LL_EC_MCLK_OUTPUT MCLK Output
  * @{
  */
#define LL_I2S_MCLK_OUTPUT_DISABLE         0x00000000U               /*!< Master clock output is disabled */
#define LL_I2S_MCLK_OUTPUT_ENABLE          (SPI_I2SPR_MCKOE)         /*!< Master clock output is enabled  */
/**
  * @}
  */

/** @defgroup I2S_LL_EC_AUDIO_FREQ Audio Frequency
  * @{
  */

#define LL_I2S_AUDIOFREQ_192K              192000U       /*!< Audio Frequency configuration 192000 Hz       */
#define LL_I2S_AUDIOFREQ_96K               96000U        /*!< Audio Frequency configuration  96000 Hz       */
#define LL_I2S_AUDIOFREQ_48K               48000U        /*!< Audio Frequency configuration  48000 Hz       */
#define LL_I2S_AUDIOFREQ_44K               44100U        /*!< Audio Frequency configuration  44100 Hz       */
#define LL_I2S_AUDIOFREQ_32K               32000U        /*!< Audio Frequency configuration  32000 Hz       */
#define LL_I2S_AUDIOFREQ_22K               22050U        /*!< Audio Frequency configuration  22050 Hz       */
#define LL_I2S_AUDIOFREQ_16K               16000U        /*!< Audio Frequency configuration  16000 Hz       */
#define LL_I2S_AUDIOFREQ_11K               11025U        /*!< Audio Frequency configuration  11025 Hz       */
#define LL_I2S_AUDIOFREQ_8K                8000U         /*!< Audio Frequency configuration   8000 Hz       */
#define LL_I2S_AUDIOFREQ_DEFAULT           2U            /*!< Audio Freq not specified. Register I2SDIV = 2 */
/**
  * @}
  */
#endif /* USE_FULL_LL_DRIVER */

/**
  * @}
  */

/* Exported macro ------------------------------------------------------------*/
/** @defgroup I2S_LL_Exported_Macros I2S Exported Macros
  * @{
  */

/** @defgroup I2S_LL_EM_WRITE_READ Common Write and read registers Macros
  * @{
  */

/**
  * @brief  Write a value in I2S register
  * @param  __INSTANCE__ I2S Instance
  * @param  __REG__ Register to be written
  * @param  __VALUE__ Value to be written in the register
  * @retval None
  */
#define LL_I2S_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))

/**
  * @brief  Read a value in I2S register
  * @param  __INSTANCE__ I2S Instance
  * @param  __REG__ Register to be read
  * @retval Register value
  */
#define LL_I2S_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
/**
  * @}
  */

/**
  * @}
  */


/* Exported functions --------------------------------------------------------*/

/** @defgroup I2S_LL_Exported_Functions I2S Exported Functions
  * @{
  */

/** @defgroup I2S_LL_EF_Configuration Configuration
  * @{
  */

/**
  * @brief  Select I2S mode and Enable I2S peripheral
  * @rmtoll I2SCFGR      I2SMOD        LL_I2S_Enable\n
  *         I2SCFGR      I2SE          LL_I2S_Enable
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_Enable(SPI_TypeDef *SPIx)
{
  SET_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SMOD | SPI_I2SCFGR_I2SE);
}

/**
  * @brief  Disable I2S peripheral
  * @rmtoll I2SCFGR      I2SE          LL_I2S_Disable
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_Disable(SPI_TypeDef *SPIx)
{
  CLEAR_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SMOD | SPI_I2SCFGR_I2SE);
}

/**
  * @brief  Check if I2S peripheral is enabled
  * @rmtoll I2SCFGR      I2SE          LL_I2S_IsEnabled
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsEnabled(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SE) == (SPI_I2SCFGR_I2SE)) ? 1UL : 0UL);
}

/**
  * @brief  Set I2S data frame length
  * @rmtoll I2SCFGR      DATLEN        LL_I2S_SetDataFormat\n
  *         I2SCFGR      CHLEN         LL_I2S_SetDataFormat
  * @param  SPIx SPI Instance
  * @param  DataFormat This parameter can be one of the following values:
  *         @arg @ref LL_I2S_DATAFORMAT_16B
  *         @arg @ref LL_I2S_DATAFORMAT_16B_EXTENDED
  *         @arg @ref LL_I2S_DATAFORMAT_24B
  *         @arg @ref LL_I2S_DATAFORMAT_32B
  * @retval None
  */
__STATIC_INLINE void LL_I2S_SetDataFormat(SPI_TypeDef *SPIx, uint32_t DataFormat)
{
  MODIFY_REG(SPIx->I2SCFGR, SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN, DataFormat);
}

/**
  * @brief  Get I2S data frame length
  * @rmtoll I2SCFGR      DATLEN        LL_I2S_GetDataFormat\n
  *         I2SCFGR      CHLEN         LL_I2S_GetDataFormat
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_I2S_DATAFORMAT_16B
  *         @arg @ref LL_I2S_DATAFORMAT_16B_EXTENDED
  *         @arg @ref LL_I2S_DATAFORMAT_24B
  *         @arg @ref LL_I2S_DATAFORMAT_32B
  */
__STATIC_INLINE uint32_t LL_I2S_GetDataFormat(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN));
}

/**
  * @brief  Set I2S clock polarity
  * @rmtoll I2SCFGR      CKPOL         LL_I2S_SetClockPolarity
  * @param  SPIx SPI Instance
  * @param  ClockPolarity This parameter can be one of the following values:
  *         @arg @ref LL_I2S_POLARITY_LOW
  *         @arg @ref LL_I2S_POLARITY_HIGH
  * @retval None
  */
__STATIC_INLINE void LL_I2S_SetClockPolarity(SPI_TypeDef *SPIx, uint32_t ClockPolarity)
{
  SET_BIT(SPIx->I2SCFGR, ClockPolarity);
}

/**
  * @brief  Get I2S clock polarity
  * @rmtoll I2SCFGR      CKPOL         LL_I2S_GetClockPolarity
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_I2S_POLARITY_LOW
  *         @arg @ref LL_I2S_POLARITY_HIGH
  */
__STATIC_INLINE uint32_t LL_I2S_GetClockPolarity(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_CKPOL));
}

/**
  * @brief  Set I2S standard protocol
  * @rmtoll I2SCFGR      I2SSTD        LL_I2S_SetStandard\n
  *         I2SCFGR      PCMSYNC       LL_I2S_SetStandard
  * @param  SPIx SPI Instance
  * @param  Standard This parameter can be one of the following values:
  *         @arg @ref LL_I2S_STANDARD_PHILIPS
  *         @arg @ref LL_I2S_STANDARD_MSB
  *         @arg @ref LL_I2S_STANDARD_LSB
  *         @arg @ref LL_I2S_STANDARD_PCM_SHORT
  *         @arg @ref LL_I2S_STANDARD_PCM_LONG
  * @retval None
  */
__STATIC_INLINE void LL_I2S_SetStandard(SPI_TypeDef *SPIx, uint32_t Standard)
{
  MODIFY_REG(SPIx->I2SCFGR, SPI_I2SCFGR_I2SSTD | SPI_I2SCFGR_PCMSYNC, Standard);
}

/**
  * @brief  Get I2S standard protocol
  * @rmtoll I2SCFGR      I2SSTD        LL_I2S_GetStandard\n
  *         I2SCFGR      PCMSYNC       LL_I2S_GetStandard
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_I2S_STANDARD_PHILIPS
  *         @arg @ref LL_I2S_STANDARD_MSB
  *         @arg @ref LL_I2S_STANDARD_LSB
  *         @arg @ref LL_I2S_STANDARD_PCM_SHORT
  *         @arg @ref LL_I2S_STANDARD_PCM_LONG
  */
__STATIC_INLINE uint32_t LL_I2S_GetStandard(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SSTD | SPI_I2SCFGR_PCMSYNC));
}

/**
  * @brief  Set I2S transfer mode
  * @rmtoll I2SCFGR      I2SCFG        LL_I2S_SetTransferMode
  * @param  SPIx SPI Instance
  * @param  Mode This parameter can be one of the following values:
  *         @arg @ref LL_I2S_MODE_SLAVE_TX
  *         @arg @ref LL_I2S_MODE_SLAVE_RX
  *         @arg @ref LL_I2S_MODE_MASTER_TX
  *         @arg @ref LL_I2S_MODE_MASTER_RX
  * @retval None
  */
__STATIC_INLINE void LL_I2S_SetTransferMode(SPI_TypeDef *SPIx, uint32_t Mode)
{
  MODIFY_REG(SPIx->I2SCFGR, SPI_I2SCFGR_I2SCFG, Mode);
}

/**
  * @brief  Get I2S transfer mode
  * @rmtoll I2SCFGR      I2SCFG        LL_I2S_GetTransferMode
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_I2S_MODE_SLAVE_TX
  *         @arg @ref LL_I2S_MODE_SLAVE_RX
  *         @arg @ref LL_I2S_MODE_MASTER_TX
  *         @arg @ref LL_I2S_MODE_MASTER_RX
  */
__STATIC_INLINE uint32_t LL_I2S_GetTransferMode(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SCFG));
}

/**
  * @brief  Set I2S linear prescaler
  * @rmtoll I2SPR        I2SDIV        LL_I2S_SetPrescalerLinear
  * @param  SPIx SPI Instance
  * @param  PrescalerLinear Value between Min_Data=0x02 and Max_Data=0xFF
  * @retval None
  */
__STATIC_INLINE void LL_I2S_SetPrescalerLinear(SPI_TypeDef *SPIx, uint8_t PrescalerLinear)
{
  MODIFY_REG(SPIx->I2SPR, SPI_I2SPR_I2SDIV, PrescalerLinear);
}

/**
  * @brief  Get I2S linear prescaler
  * @rmtoll I2SPR        I2SDIV        LL_I2S_GetPrescalerLinear
  * @param  SPIx SPI Instance
  * @retval PrescalerLinear Value between Min_Data=0x02 and Max_Data=0xFF
  */
__STATIC_INLINE uint32_t LL_I2S_GetPrescalerLinear(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->I2SPR, SPI_I2SPR_I2SDIV));
}

/**
  * @brief  Set I2S parity prescaler
  * @rmtoll I2SPR        ODD           LL_I2S_SetPrescalerParity
  * @param  SPIx SPI Instance
  * @param  PrescalerParity This parameter can be one of the following values:
  *         @arg @ref LL_I2S_PRESCALER_PARITY_EVEN
  *         @arg @ref LL_I2S_PRESCALER_PARITY_ODD
  * @retval None
  */
__STATIC_INLINE void LL_I2S_SetPrescalerParity(SPI_TypeDef *SPIx, uint32_t PrescalerParity)
{
  MODIFY_REG(SPIx->I2SPR, SPI_I2SPR_ODD, PrescalerParity << 8U);
}

/**
  * @brief  Get I2S parity prescaler
  * @rmtoll I2SPR        ODD           LL_I2S_GetPrescalerParity
  * @param  SPIx SPI Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_I2S_PRESCALER_PARITY_EVEN
  *         @arg @ref LL_I2S_PRESCALER_PARITY_ODD
  */
__STATIC_INLINE uint32_t LL_I2S_GetPrescalerParity(SPI_TypeDef *SPIx)
{
  return (uint32_t)(READ_BIT(SPIx->I2SPR, SPI_I2SPR_ODD) >> 8U);
}

/**
  * @brief  Enable the master clock ouput (Pin MCK)
  * @rmtoll I2SPR        MCKOE         LL_I2S_EnableMasterClock
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_EnableMasterClock(SPI_TypeDef *SPIx)
{
  SET_BIT(SPIx->I2SPR, SPI_I2SPR_MCKOE);
}

/**
  * @brief  Disable the master clock ouput (Pin MCK)
  * @rmtoll I2SPR        MCKOE         LL_I2S_DisableMasterClock
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_DisableMasterClock(SPI_TypeDef *SPIx)
{
  CLEAR_BIT(SPIx->I2SPR, SPI_I2SPR_MCKOE);
}

/**
  * @brief  Check if the master clock ouput (Pin MCK) is enabled
  * @rmtoll I2SPR        MCKOE         LL_I2S_IsEnabledMasterClock
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsEnabledMasterClock(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->I2SPR, SPI_I2SPR_MCKOE) == (SPI_I2SPR_MCKOE)) ? 1UL : 0UL);
}

#if defined(SPI_I2SCFGR_ASTRTEN)
/**
  * @brief  Enable asynchronous start
  * @rmtoll I2SCFGR      ASTRTEN       LL_I2S_EnableAsyncStart
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_EnableAsyncStart(SPI_TypeDef *SPIx)
{
  SET_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_ASTRTEN);
}

/**
  * @brief  Disable  asynchronous start
  * @rmtoll I2SCFGR      ASTRTEN       LL_I2S_DisableAsyncStart
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_DisableAsyncStart(SPI_TypeDef *SPIx)
{
  CLEAR_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_ASTRTEN);
}

/**
  * @brief  Check if asynchronous start is enabled
  * @rmtoll I2SCFGR      ASTRTEN       LL_I2S_IsEnabledAsyncStart
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsEnabledAsyncStart(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_ASTRTEN) == (SPI_I2SCFGR_ASTRTEN)) ? 1UL : 0UL);
}
#endif /* SPI_I2SCFGR_ASTRTEN */

/**
  * @}
  */

/** @defgroup I2S_LL_EF_FLAG FLAG Management
  * @{
  */

/**
  * @brief  Check if Rx buffer is not empty
  * @rmtoll SR           RXNE          LL_I2S_IsActiveFlag_RXNE
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_RXNE(SPI_TypeDef *SPIx)
{
  return LL_SPI_IsActiveFlag_RXNE(SPIx);
}

/**
  * @brief  Check if Tx buffer is empty
  * @rmtoll SR           TXE           LL_I2S_IsActiveFlag_TXE
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_TXE(SPI_TypeDef *SPIx)
{
  return LL_SPI_IsActiveFlag_TXE(SPIx);
}

/**
  * @brief  Get busy flag
  * @rmtoll SR           BSY           LL_I2S_IsActiveFlag_BSY
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_BSY(SPI_TypeDef *SPIx)
{
  return LL_SPI_IsActiveFlag_BSY(SPIx);
}

/**
  * @brief  Get overrun error flag
  * @rmtoll SR           OVR           LL_I2S_IsActiveFlag_OVR
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_OVR(SPI_TypeDef *SPIx)
{
  return LL_SPI_IsActiveFlag_OVR(SPIx);
}

/**
  * @brief  Get underrun error flag
  * @rmtoll SR           UDR           LL_I2S_IsActiveFlag_UDR
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_UDR(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->SR, SPI_SR_UDR) == (SPI_SR_UDR)) ? 1UL : 0UL);
}

/**
  * @brief  Get frame format error flag
  * @rmtoll SR           FRE           LL_I2S_IsActiveFlag_FRE
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_FRE(SPI_TypeDef *SPIx)
{
  return LL_SPI_IsActiveFlag_FRE(SPIx);
}

/**
  * @brief  Get channel side flag.
  * @note   0: Channel Left has to be transmitted or has been received\n
  *         1: Channel Right has to be transmitted or has been received\n
  *         It has no significance in PCM mode.
  * @rmtoll SR           CHSIDE        LL_I2S_IsActiveFlag_CHSIDE
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_CHSIDE(SPI_TypeDef *SPIx)
{
  return ((READ_BIT(SPIx->SR, SPI_SR_CHSIDE) == (SPI_SR_CHSIDE)) ? 1UL : 0UL);
}

/**
  * @brief  Clear overrun error flag
  * @rmtoll SR           OVR           LL_I2S_ClearFlag_OVR
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_ClearFlag_OVR(SPI_TypeDef *SPIx)
{
  LL_SPI_ClearFlag_OVR(SPIx);
}

/**
  * @brief  Clear underrun error flag
  * @rmtoll SR           UDR           LL_I2S_ClearFlag_UDR
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_ClearFlag_UDR(SPI_TypeDef *SPIx)
{
  __IO uint32_t tmpreg;
  tmpreg = SPIx->SR;
  (void)tmpreg;
}

/**
  * @brief  Clear frame format error flag
  * @rmtoll SR           FRE           LL_I2S_ClearFlag_FRE
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_ClearFlag_FRE(SPI_TypeDef *SPIx)
{
  LL_SPI_ClearFlag_FRE(SPIx);
}

/**
  * @}
  */

/** @defgroup I2S_LL_EF_IT Interrupt Management
  * @{
  */

/**
  * @brief  Enable error IT
  * @note   This bit controls the generation of an interrupt when an error condition occurs (OVR, UDR and FRE in I2S mode).
  * @rmtoll CR2          ERRIE         LL_I2S_EnableIT_ERR
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_EnableIT_ERR(SPI_TypeDef *SPIx)
{
  LL_SPI_EnableIT_ERR(SPIx);
}

/**
  * @brief  Enable Rx buffer not empty IT
  * @rmtoll CR2          RXNEIE        LL_I2S_EnableIT_RXNE
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_EnableIT_RXNE(SPI_TypeDef *SPIx)
{
  LL_SPI_EnableIT_RXNE(SPIx);
}

/**
  * @brief  Enable Tx buffer empty IT
  * @rmtoll CR2          TXEIE         LL_I2S_EnableIT_TXE
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_EnableIT_TXE(SPI_TypeDef *SPIx)
{
  LL_SPI_EnableIT_TXE(SPIx);
}

/**
  * @brief  Disable error IT
  * @note   This bit controls the generation of an interrupt when an error condition occurs (OVR, UDR and FRE in I2S mode).
  * @rmtoll CR2          ERRIE         LL_I2S_DisableIT_ERR
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_DisableIT_ERR(SPI_TypeDef *SPIx)
{
  LL_SPI_DisableIT_ERR(SPIx);
}

/**
  * @brief  Disable Rx buffer not empty IT
  * @rmtoll CR2          RXNEIE        LL_I2S_DisableIT_RXNE
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_DisableIT_RXNE(SPI_TypeDef *SPIx)
{
  LL_SPI_DisableIT_RXNE(SPIx);
}

/**
  * @brief  Disable Tx buffer empty IT
  * @rmtoll CR2          TXEIE         LL_I2S_DisableIT_TXE
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_DisableIT_TXE(SPI_TypeDef *SPIx)
{
  LL_SPI_DisableIT_TXE(SPIx);
}

/**
  * @brief  Check if ERR IT is enabled
  * @rmtoll CR2          ERRIE         LL_I2S_IsEnabledIT_ERR
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsEnabledIT_ERR(SPI_TypeDef *SPIx)
{
  return LL_SPI_IsEnabledIT_ERR(SPIx);
}

/**
  * @brief  Check if RXNE IT is enabled
  * @rmtoll CR2          RXNEIE        LL_I2S_IsEnabledIT_RXNE
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsEnabledIT_RXNE(SPI_TypeDef *SPIx)
{
  return LL_SPI_IsEnabledIT_RXNE(SPIx);
}

/**
  * @brief  Check if TXE IT is enabled
  * @rmtoll CR2          TXEIE         LL_I2S_IsEnabledIT_TXE
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsEnabledIT_TXE(SPI_TypeDef *SPIx)
{
  return LL_SPI_IsEnabledIT_TXE(SPIx);
}

/**
  * @}
  */

/** @defgroup I2S_LL_EF_DMA DMA Management
  * @{
  */

/**
  * @brief  Enable DMA Rx
  * @rmtoll CR2          RXDMAEN       LL_I2S_EnableDMAReq_RX
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_EnableDMAReq_RX(SPI_TypeDef *SPIx)
{
  LL_SPI_EnableDMAReq_RX(SPIx);
}

/**
  * @brief  Disable DMA Rx
  * @rmtoll CR2          RXDMAEN       LL_I2S_DisableDMAReq_RX
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_DisableDMAReq_RX(SPI_TypeDef *SPIx)
{
  LL_SPI_DisableDMAReq_RX(SPIx);
}

/**
  * @brief  Check if DMA Rx is enabled
  * @rmtoll CR2          RXDMAEN       LL_I2S_IsEnabledDMAReq_RX
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsEnabledDMAReq_RX(SPI_TypeDef *SPIx)
{
  return LL_SPI_IsEnabledDMAReq_RX(SPIx);
}

/**
  * @brief  Enable DMA Tx
  * @rmtoll CR2          TXDMAEN       LL_I2S_EnableDMAReq_TX
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_EnableDMAReq_TX(SPI_TypeDef *SPIx)
{
  LL_SPI_EnableDMAReq_TX(SPIx);
}

/**
  * @brief  Disable DMA Tx
  * @rmtoll CR2          TXDMAEN       LL_I2S_DisableDMAReq_TX
  * @param  SPIx SPI Instance
  * @retval None
  */
__STATIC_INLINE void LL_I2S_DisableDMAReq_TX(SPI_TypeDef *SPIx)
{
  LL_SPI_DisableDMAReq_TX(SPIx);
}

/**
  * @brief  Check if DMA Tx is enabled
  * @rmtoll CR2          TXDMAEN       LL_I2S_IsEnabledDMAReq_TX
  * @param  SPIx SPI Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_I2S_IsEnabledDMAReq_TX(SPI_TypeDef *SPIx)
{
  return LL_SPI_IsEnabledDMAReq_TX(SPIx);
}

/**
  * @}
  */

/** @defgroup I2S_LL_EF_DATA DATA Management
  * @{
  */

/**
  * @brief  Read 16-Bits in data register
  * @rmtoll DR           DR            LL_I2S_ReceiveData16
  * @param  SPIx SPI Instance
  * @retval RxData Value between Min_Data=0x0000 and Max_Data=0xFFFF
  */
__STATIC_INLINE uint16_t LL_I2S_ReceiveData16(SPI_TypeDef *SPIx)
{
  return LL_SPI_ReceiveData16(SPIx);
}

/**
  * @brief  Write 16-Bits in data register
  * @rmtoll DR           DR            LL_I2S_TransmitData16
  * @param  SPIx SPI Instance
  * @param  TxData Value between Min_Data=0x0000 and Max_Data=0xFFFF
  * @retval None
  */
__STATIC_INLINE void LL_I2S_TransmitData16(SPI_TypeDef *SPIx, uint16_t TxData)
{
  LL_SPI_TransmitData16(SPIx, TxData);
}

/**
  * @}
  */

#if defined(USE_FULL_LL_DRIVER)
/** @defgroup I2S_LL_EF_Init Initialization and de-initialization functions
  * @{
  */

ErrorStatus LL_I2S_DeInit(SPI_TypeDef *SPIx);
ErrorStatus LL_I2S_Init(SPI_TypeDef *SPIx, LL_I2S_InitTypeDef *I2S_InitStruct);
void        LL_I2S_StructInit(LL_I2S_InitTypeDef *I2S_InitStruct);
void        LL_I2S_ConfigPrescaler(SPI_TypeDef *SPIx, uint32_t PrescalerLinear, uint32_t PrescalerParity);

/**
  * @}
  */
#endif /* USE_FULL_LL_DRIVER */

/**
  * @}
  */

/**
  * @}
  */
#endif /* SPI_I2S_SUPPORT */

#endif /* defined (SPI1) || defined (SPI2) */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* STM32F0xx_LL_SPI_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/