From a81fc41c3eb99e8fc52aa734ee63e13c937aab81 Mon Sep 17 00:00:00 2001 From: JanHenrik Date: Sun, 19 Jan 2020 00:56:37 +0100 Subject: added blink example --- .../STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_dma.c | 397 +++++++++++++++++++++ 1 file changed, 397 insertions(+) create mode 100644 Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_dma.c (limited to 'Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_dma.c') diff --git a/Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_dma.c b/Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_dma.c new file mode 100644 index 0000000..502d9a0 --- /dev/null +++ b/Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_dma.c @@ -0,0 +1,397 @@ +/** + ****************************************************************************** + * @file stm32f0xx_ll_dma.c + * @author MCD Application Team + * @brief DMA LL module driver. + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2016 STMicroelectronics. + * All rights reserved.

+ * + * 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 + * + ****************************************************************************** + */ + +#if defined(USE_FULL_LL_DRIVER) + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f0xx_ll_dma.h" +#include "stm32f0xx_ll_bus.h" +#ifdef USE_FULL_ASSERT +#include "stm32_assert.h" +#else +#define assert_param(expr) ((void)0U) +#endif + +/** @addtogroup STM32F0xx_LL_Driver + * @{ + */ + +#if defined (DMA1) || defined (DMA2) + +/** @defgroup DMA_LL DMA + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ +/** @addtogroup DMA_LL_Private_Macros + * @{ + */ +#define IS_LL_DMA_DIRECTION(__VALUE__) (((__VALUE__) == LL_DMA_DIRECTION_PERIPH_TO_MEMORY) || \ + ((__VALUE__) == LL_DMA_DIRECTION_MEMORY_TO_PERIPH) || \ + ((__VALUE__) == LL_DMA_DIRECTION_MEMORY_TO_MEMORY)) + +#define IS_LL_DMA_MODE(__VALUE__) (((__VALUE__) == LL_DMA_MODE_NORMAL) || \ + ((__VALUE__) == LL_DMA_MODE_CIRCULAR)) + +#define IS_LL_DMA_PERIPHINCMODE(__VALUE__) (((__VALUE__) == LL_DMA_PERIPH_INCREMENT) || \ + ((__VALUE__) == LL_DMA_PERIPH_NOINCREMENT)) + +#define IS_LL_DMA_MEMORYINCMODE(__VALUE__) (((__VALUE__) == LL_DMA_MEMORY_INCREMENT) || \ + ((__VALUE__) == LL_DMA_MEMORY_NOINCREMENT)) + +#define IS_LL_DMA_PERIPHDATASIZE(__VALUE__) (((__VALUE__) == LL_DMA_PDATAALIGN_BYTE) || \ + ((__VALUE__) == LL_DMA_PDATAALIGN_HALFWORD) || \ + ((__VALUE__) == LL_DMA_PDATAALIGN_WORD)) + +#define IS_LL_DMA_MEMORYDATASIZE(__VALUE__) (((__VALUE__) == LL_DMA_MDATAALIGN_BYTE) || \ + ((__VALUE__) == LL_DMA_MDATAALIGN_HALFWORD) || \ + ((__VALUE__) == LL_DMA_MDATAALIGN_WORD)) + +#define IS_LL_DMA_NBDATA(__VALUE__) ((__VALUE__) <= 0x0000FFFFU) + +#if (defined(DMA1_CSELR_DEFAULT)||defined(DMA2_CSELR_DEFAULT)) +#define IS_LL_DMA_PERIPHREQUEST(__VALUE__) (((__VALUE__) == LL_DMA_REQUEST_0) || \ + ((__VALUE__) == LL_DMA_REQUEST_1) || \ + ((__VALUE__) == LL_DMA_REQUEST_2) || \ + ((__VALUE__) == LL_DMA_REQUEST_3) || \ + ((__VALUE__) == LL_DMA_REQUEST_4) || \ + ((__VALUE__) == LL_DMA_REQUEST_5) || \ + ((__VALUE__) == LL_DMA_REQUEST_6) || \ + ((__VALUE__) == LL_DMA_REQUEST_7) || \ + ((__VALUE__) == LL_DMA_REQUEST_8) || \ + ((__VALUE__) == LL_DMA_REQUEST_9) || \ + ((__VALUE__) == LL_DMA_REQUEST_10) || \ + ((__VALUE__) == LL_DMA_REQUEST_11) || \ + ((__VALUE__) == LL_DMA_REQUEST_12) || \ + ((__VALUE__) == LL_DMA_REQUEST_13) || \ + ((__VALUE__) == LL_DMA_REQUEST_14) || \ + ((__VALUE__) == LL_DMA_REQUEST_15)) +#endif + +#define IS_LL_DMA_PRIORITY(__VALUE__) (((__VALUE__) == LL_DMA_PRIORITY_LOW) || \ + ((__VALUE__) == LL_DMA_PRIORITY_MEDIUM) || \ + ((__VALUE__) == LL_DMA_PRIORITY_HIGH) || \ + ((__VALUE__) == LL_DMA_PRIORITY_VERYHIGH)) + +#if defined (DMA2) +#if defined (DMA2_Channel6) && defined (DMA2_Channel7) +#define IS_LL_DMA_ALL_CHANNEL_INSTANCE(INSTANCE, CHANNEL) ((((INSTANCE) == DMA1) && \ + (((CHANNEL) == LL_DMA_CHANNEL_1) || \ + ((CHANNEL) == LL_DMA_CHANNEL_2) || \ + ((CHANNEL) == LL_DMA_CHANNEL_3) || \ + ((CHANNEL) == LL_DMA_CHANNEL_4) || \ + ((CHANNEL) == LL_DMA_CHANNEL_5) || \ + ((CHANNEL) == LL_DMA_CHANNEL_6) || \ + ((CHANNEL) == LL_DMA_CHANNEL_7))) || \ + (((INSTANCE) == DMA2) && \ + (((CHANNEL) == LL_DMA_CHANNEL_1) || \ + ((CHANNEL) == LL_DMA_CHANNEL_2) || \ + ((CHANNEL) == LL_DMA_CHANNEL_3) || \ + ((CHANNEL) == LL_DMA_CHANNEL_4) || \ + ((CHANNEL) == LL_DMA_CHANNEL_5) || \ + ((CHANNEL) == LL_DMA_CHANNEL_6) || \ + ((CHANNEL) == LL_DMA_CHANNEL_7)))) +#else +#define IS_LL_DMA_ALL_CHANNEL_INSTANCE(INSTANCE, CHANNEL) ((((INSTANCE) == DMA1) && \ + (((CHANNEL) == LL_DMA_CHANNEL_1) || \ + ((CHANNEL) == LL_DMA_CHANNEL_2) || \ + ((CHANNEL) == LL_DMA_CHANNEL_3) || \ + ((CHANNEL) == LL_DMA_CHANNEL_4) || \ + ((CHANNEL) == LL_DMA_CHANNEL_5) || \ + ((CHANNEL) == LL_DMA_CHANNEL_6) || \ + ((CHANNEL) == LL_DMA_CHANNEL_7))) || \ + (((INSTANCE) == DMA2) && \ + (((CHANNEL) == LL_DMA_CHANNEL_1) || \ + ((CHANNEL) == LL_DMA_CHANNEL_2) || \ + ((CHANNEL) == LL_DMA_CHANNEL_3) || \ + ((CHANNEL) == LL_DMA_CHANNEL_4) || \ + ((CHANNEL) == LL_DMA_CHANNEL_5)))) +#endif +#else +#if defined(DMA1_Channel6) && defined(DMA1_Channel7) +#define IS_LL_DMA_ALL_CHANNEL_INSTANCE(INSTANCE, CHANNEL) ((((INSTANCE) == DMA1) && \ + (((CHANNEL) == LL_DMA_CHANNEL_1)|| \ + ((CHANNEL) == LL_DMA_CHANNEL_2) || \ + ((CHANNEL) == LL_DMA_CHANNEL_3) || \ + ((CHANNEL) == LL_DMA_CHANNEL_4) || \ + ((CHANNEL) == LL_DMA_CHANNEL_5) || \ + ((CHANNEL) == LL_DMA_CHANNEL_6) || \ + ((CHANNEL) == LL_DMA_CHANNEL_7)))) +#elif defined (DMA1_Channel6) +#define IS_LL_DMA_ALL_CHANNEL_INSTANCE(INSTANCE, CHANNEL) ((((INSTANCE) == DMA1) && \ + (((CHANNEL) == LL_DMA_CHANNEL_1)|| \ + ((CHANNEL) == LL_DMA_CHANNEL_2) || \ + ((CHANNEL) == LL_DMA_CHANNEL_3) || \ + ((CHANNEL) == LL_DMA_CHANNEL_4) || \ + ((CHANNEL) == LL_DMA_CHANNEL_5) || \ + ((CHANNEL) == LL_DMA_CHANNEL_6)))) +#else +#define IS_LL_DMA_ALL_CHANNEL_INSTANCE(INSTANCE, CHANNEL) ((((INSTANCE) == DMA1) && \ + (((CHANNEL) == LL_DMA_CHANNEL_1)|| \ + ((CHANNEL) == LL_DMA_CHANNEL_2) || \ + ((CHANNEL) == LL_DMA_CHANNEL_3) || \ + ((CHANNEL) == LL_DMA_CHANNEL_4) || \ + ((CHANNEL) == LL_DMA_CHANNEL_5)))) +#endif /* DMA1_Channel6 && DMA1_Channel7 */ +#endif +/** + * @} + */ + +/* Private function prototypes -----------------------------------------------*/ + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup DMA_LL_Exported_Functions + * @{ + */ + +/** @addtogroup DMA_LL_EF_Init + * @{ + */ + +/** + * @brief De-initialize the DMA registers to their default reset values. + * @param DMAx DMAx Instance + * @param Channel This parameter can be one of the following values: + * @arg @ref LL_DMA_CHANNEL_1 + * @arg @ref LL_DMA_CHANNEL_2 + * @arg @ref LL_DMA_CHANNEL_3 + * @arg @ref LL_DMA_CHANNEL_4 + * @arg @ref LL_DMA_CHANNEL_5 + * @arg @ref LL_DMA_CHANNEL_6 (*) + * @arg @ref LL_DMA_CHANNEL_7 (*) + * + * (*) value not defined in all devices + * @retval An ErrorStatus enumeration value: + * - SUCCESS: DMA registers are de-initialized + * - ERROR: DMA registers are not de-initialized + */ +uint32_t LL_DMA_DeInit(DMA_TypeDef *DMAx, uint32_t Channel) +{ + DMA_Channel_TypeDef *tmp = (DMA_Channel_TypeDef *)DMA1_Channel1; + ErrorStatus status = SUCCESS; + + /* Check the DMA Instance DMAx and Channel parameters*/ + assert_param(IS_LL_DMA_ALL_CHANNEL_INSTANCE(DMAx, Channel)); + + tmp = (DMA_Channel_TypeDef *)(__LL_DMA_GET_CHANNEL_INSTANCE(DMAx, Channel)); + + /* Disable the selected DMAx_Channely */ + CLEAR_BIT(tmp->CCR, DMA_CCR_EN); + + /* Reset DMAx_Channely control register */ + LL_DMA_WriteReg(tmp, CCR, 0U); + + /* Reset DMAx_Channely remaining bytes register */ + LL_DMA_WriteReg(tmp, CNDTR, 0U); + + /* Reset DMAx_Channely peripheral address register */ + LL_DMA_WriteReg(tmp, CPAR, 0U); + + /* Reset DMAx_Channely memory address register */ + LL_DMA_WriteReg(tmp, CMAR, 0U); + +#if (defined(DMA1_CSELR_DEFAULT)||defined(DMA2_CSELR_DEFAULT)) + /* Reset Request register field for DMAx Channel */ + LL_DMA_SetPeriphRequest(DMAx, Channel, LL_DMA_REQUEST_0); +#endif + + if (Channel == LL_DMA_CHANNEL_1) + { + /* Reset interrupt pending bits for DMAx Channel1 */ + LL_DMA_ClearFlag_GI1(DMAx); + } + else if (Channel == LL_DMA_CHANNEL_2) + { + /* Reset interrupt pending bits for DMAx Channel2 */ + LL_DMA_ClearFlag_GI2(DMAx); + } + else if (Channel == LL_DMA_CHANNEL_3) + { + /* Reset interrupt pending bits for DMAx Channel3 */ + LL_DMA_ClearFlag_GI3(DMAx); + } + else if (Channel == LL_DMA_CHANNEL_4) + { + /* Reset interrupt pending bits for DMAx Channel4 */ + LL_DMA_ClearFlag_GI4(DMAx); + } + else if (Channel == LL_DMA_CHANNEL_5) + { + /* Reset interrupt pending bits for DMAx Channel5 */ + LL_DMA_ClearFlag_GI5(DMAx); + } + +#if defined(DMA1_Channel6) + else if (Channel == LL_DMA_CHANNEL_6) + { + /* Reset interrupt pending bits for DMAx Channel6 */ + LL_DMA_ClearFlag_GI6(DMAx); + } +#endif +#if defined(DMA1_Channel7) + else if (Channel == LL_DMA_CHANNEL_7) + { + /* Reset interrupt pending bits for DMAx Channel7 */ + LL_DMA_ClearFlag_GI7(DMAx); + } +#endif + else + { + status = ERROR; + } + + return status; +} + +/** + * @brief Initialize the DMA registers according to the specified parameters in DMA_InitStruct. + * @note To convert DMAx_Channely Instance to DMAx Instance and Channely, use helper macros : + * @arg @ref __LL_DMA_GET_INSTANCE + * @arg @ref __LL_DMA_GET_CHANNEL + * @param DMAx DMAx Instance + * @param Channel This parameter can be one of the following values: + * @arg @ref LL_DMA_CHANNEL_1 + * @arg @ref LL_DMA_CHANNEL_2 + * @arg @ref LL_DMA_CHANNEL_3 + * @arg @ref LL_DMA_CHANNEL_4 + * @arg @ref LL_DMA_CHANNEL_5 + * @arg @ref LL_DMA_CHANNEL_6 (*) + * @arg @ref LL_DMA_CHANNEL_7 (*) + * + * (*) value not defined in all devices + * @param DMA_InitStruct pointer to a @ref LL_DMA_InitTypeDef structure. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: DMA registers are initialized + * - ERROR: Not applicable + */ +uint32_t LL_DMA_Init(DMA_TypeDef *DMAx, uint32_t Channel, LL_DMA_InitTypeDef *DMA_InitStruct) +{ + /* Check the DMA Instance DMAx and Channel parameters*/ + assert_param(IS_LL_DMA_ALL_CHANNEL_INSTANCE(DMAx, Channel)); + + /* Check the DMA parameters from DMA_InitStruct */ + assert_param(IS_LL_DMA_DIRECTION(DMA_InitStruct->Direction)); + assert_param(IS_LL_DMA_MODE(DMA_InitStruct->Mode)); + assert_param(IS_LL_DMA_PERIPHINCMODE(DMA_InitStruct->PeriphOrM2MSrcIncMode)); + assert_param(IS_LL_DMA_MEMORYINCMODE(DMA_InitStruct->MemoryOrM2MDstIncMode)); + assert_param(IS_LL_DMA_PERIPHDATASIZE(DMA_InitStruct->PeriphOrM2MSrcDataSize)); + assert_param(IS_LL_DMA_MEMORYDATASIZE(DMA_InitStruct->MemoryOrM2MDstDataSize)); + assert_param(IS_LL_DMA_NBDATA(DMA_InitStruct->NbData)); +#if (defined(DMA1_CSELR_DEFAULT)||defined(DMA2_CSELR_DEFAULT)) + assert_param(IS_LL_DMA_PERIPHREQUEST(DMA_InitStruct->PeriphRequest)); +#endif + assert_param(IS_LL_DMA_PRIORITY(DMA_InitStruct->Priority)); + + /*---------------------------- DMAx CCR Configuration ------------------------ + * Configure DMAx_Channely: data transfer direction, data transfer mode, + * peripheral and memory increment mode, + * data size alignment and priority level with parameters : + * - Direction: DMA_CCR_DIR and DMA_CCR_MEM2MEM bits + * - Mode: DMA_CCR_CIRC bit + * - PeriphOrM2MSrcIncMode: DMA_CCR_PINC bit + * - MemoryOrM2MDstIncMode: DMA_CCR_MINC bit + * - PeriphOrM2MSrcDataSize: DMA_CCR_PSIZE[1:0] bits + * - MemoryOrM2MDstDataSize: DMA_CCR_MSIZE[1:0] bits + * - Priority: DMA_CCR_PL[1:0] bits + */ + LL_DMA_ConfigTransfer(DMAx, Channel, DMA_InitStruct->Direction | \ + DMA_InitStruct->Mode | \ + DMA_InitStruct->PeriphOrM2MSrcIncMode | \ + DMA_InitStruct->MemoryOrM2MDstIncMode | \ + DMA_InitStruct->PeriphOrM2MSrcDataSize | \ + DMA_InitStruct->MemoryOrM2MDstDataSize | \ + DMA_InitStruct->Priority); + + /*-------------------------- DMAx CMAR Configuration ------------------------- + * Configure the memory or destination base address with parameter : + * - MemoryOrM2MDstAddress: DMA_CMAR_MA[31:0] bits + */ + LL_DMA_SetMemoryAddress(DMAx, Channel, DMA_InitStruct->MemoryOrM2MDstAddress); + + /*-------------------------- DMAx CPAR Configuration ------------------------- + * Configure the peripheral or source base address with parameter : + * - PeriphOrM2MSrcAddress: DMA_CPAR_PA[31:0] bits + */ + LL_DMA_SetPeriphAddress(DMAx, Channel, DMA_InitStruct->PeriphOrM2MSrcAddress); + + /*--------------------------- DMAx CNDTR Configuration ----------------------- + * Configure the peripheral base address with parameter : + * - NbData: DMA_CNDTR_NDT[15:0] bits + */ + LL_DMA_SetDataLength(DMAx, Channel, DMA_InitStruct->NbData); + +#if (defined(DMA1_CSELR_DEFAULT)||defined(DMA2_CSELR_DEFAULT)) + /*--------------------------- DMAx CSELR Configuration ----------------------- + * Configure the DMA request for DMA instance on Channel x with parameter : + * - PeriphRequest: DMA_CSELR[31:0] bits + */ + LL_DMA_SetPeriphRequest(DMAx, Channel, DMA_InitStruct->PeriphRequest); +#endif + + return SUCCESS; +} + +/** + * @brief Set each @ref LL_DMA_InitTypeDef field to default value. + * @param DMA_InitStruct Pointer to a @ref LL_DMA_InitTypeDef structure. + * @retval None + */ +void LL_DMA_StructInit(LL_DMA_InitTypeDef *DMA_InitStruct) +{ + /* Set DMA_InitStruct fields to default values */ + DMA_InitStruct->PeriphOrM2MSrcAddress = 0x00000000U; + DMA_InitStruct->MemoryOrM2MDstAddress = 0x00000000U; + DMA_InitStruct->Direction = LL_DMA_DIRECTION_PERIPH_TO_MEMORY; + DMA_InitStruct->Mode = LL_DMA_MODE_NORMAL; + DMA_InitStruct->PeriphOrM2MSrcIncMode = LL_DMA_PERIPH_NOINCREMENT; + DMA_InitStruct->MemoryOrM2MDstIncMode = LL_DMA_MEMORY_NOINCREMENT; + DMA_InitStruct->PeriphOrM2MSrcDataSize = LL_DMA_PDATAALIGN_BYTE; + DMA_InitStruct->MemoryOrM2MDstDataSize = LL_DMA_MDATAALIGN_BYTE; + DMA_InitStruct->NbData = 0x00000000U; +#if (defined(DMA1_CSELR_DEFAULT)||defined(DMA2_CSELR_DEFAULT)) + DMA_InitStruct->PeriphRequest = LL_DMA_REQUEST_0; +#endif + DMA_InitStruct->Priority = LL_DMA_PRIORITY_LOW; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* DMA1 || DMA2 */ + +/** + * @} + */ + +#endif /* USE_FULL_LL_DRIVER */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit