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diff --git a/Documentation/Core/html/group__peripheral__gr.html b/Documentation/Core/html/group__peripheral__gr.html deleted file mode 100644 index fdd97e4..0000000 --- a/Documentation/Core/html/group__peripheral__gr.html +++ /dev/null @@ -1,351 +0,0 @@ -<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> -<html xmlns="http://www.w3.org/1999/xhtml"> -<head> -<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> -<meta http-equiv="X-UA-Compatible" content="IE=9"/> -<title>Peripheral Access</title> -<title>CMSIS-CORE: Peripheral Access</title> -<link href="tabs.css" rel="stylesheet" type="text/css"/> -<link href="cmsis.css" rel="stylesheet" type="text/css" /> -<script type="text/javascript" src="jquery.js"></script> -<script type="text/javascript" src="dynsections.js"></script> -<script type="text/javascript" src="printComponentTabs.js"></script> -<link href="navtree.css" rel="stylesheet" type="text/css"/> -<script type="text/javascript" src="resize.js"></script> -<script type="text/javascript" src="navtree.js"></script> -<script type="text/javascript"> - $(document).ready(initResizable); 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-</script> -<div id="doc-content"> -<!-- window showing the filter options --> -<div id="MSearchSelectWindow" - onmouseover="return searchBox.OnSearchSelectShow()" - onmouseout="return searchBox.OnSearchSelectHide()" - onkeydown="return searchBox.OnSearchSelectKey(event)"> -<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Pages</a></div> - -<!-- iframe showing the search results (closed by default) --> -<div id="MSearchResultsWindow"> -<iframe src="javascript:void(0)" frameborder="0" - name="MSearchResults" id="MSearchResults"> -</iframe> -</div> - -<div class="header"> - <div class="summary"> -<a href="#define-members">Macros</a> </div> - <div class="headertitle"> -<div class="title">Peripheral Access</div> </div> -</div><!--header--> -<div class="contents"> - -<p>Describes naming conventions, requirements, and optional features for accessing peripherals. -<a href="#details">More...</a></p> -<table class="memberdecls"> -<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> -Macros</h2></td></tr> -<tr class="memitem:ga286e3b913dbd236c7f48ea70c8821f4e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__peripheral__gr.html#ga286e3b913dbd236c7f48ea70c8821f4e">_VAL2FLD</a>(field, value)</td></tr> -<tr class="memdesc:ga286e3b913dbd236c7f48ea70c8821f4e"><td class="mdescLeft"> </td><td class="mdescRight">Mask and shift a bit field value for assigning to result to a peripheral register. <a href="#ga286e3b913dbd236c7f48ea70c8821f4e"></a><br/></td></tr> -<tr class="separator:ga286e3b913dbd236c7f48ea70c8821f4e"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:ga139b6e261c981f014f386927ca4a8444"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__peripheral__gr.html#ga139b6e261c981f014f386927ca4a8444">_FLD2VAL</a>(field, value)</td></tr> -<tr class="memdesc:ga139b6e261c981f014f386927ca4a8444"><td class="mdescLeft"> </td><td class="mdescRight">Extract from a peripheral register value the a bit field value. <a href="#ga139b6e261c981f014f386927ca4a8444"></a><br/></td></tr> -<tr class="separator:ga139b6e261c981f014f386927ca4a8444"><td class="memSeparator" colspan="2"> </td></tr> -</table> -<a name="details" id="details"></a><h2 class="groupheader">Description</h2> -<p>The section below describes the naming conventions, requirements, and optional features for accessing device specific peripherals. Most of the rules also apply to the core peripherals. The <a class="el" href="device_h_pg.html">Device Header File <device.h></a> contains typically these definition and also includes the core specific header files.</p> -<p>Most of the definitions can be generated using the <a href="../../SVD/html/index.html"><b>CMSIS-SVD</b></a> System View Description for Peripherals. Refer to <a href="../../SVD/html/svd__s_v_d_conv_pg.html"><b>SVDConv.exe</b></a> for more information.</p> -<p>Each peripheral provides a data type definition with a name that is composed of:</p> -<ul> -<li>prefix <b><<em>device abbreviation></em>_</b></li> -<li><b><<em>peripheral name</em>></b></li> -<li>postfix <b>_Type</b> or <b>_TypeDef</b> to identify a type definition.</li> -</ul> -<p>Example: <b>LPC_UART_TypeDef</b> for the device <b>LPC</b> and the peripheral <b>UART</b>.</p> -<p>The data type definition uses standard C data types defined by the ANSI C header file <stdint.h>.</p> -<ul> -<li>IO Type Qualifiers are used to specify the access to peripheral variables. <table class="doxtable"> -<tr> -<th align="left">IO Type Qualifier </th><th align="left">Type </th><th align="left">Description</th></tr> -<tr> -<td align="left"><b>__IM</b> </td><td align="left">Struct member </td><td align="left">Defines 'read only' permissions </td></tr> -<tr> -<td align="left"><b>__OM</b> </td><td align="left">Struct member </td><td align="left">Defines 'write only' permissions </td></tr> -<tr> -<td align="left"><b>__IOM</b> </td><td align="left">Struct member </td><td align="left">Defines 'read / write' permissions </td></tr> -<tr> -<td align="left"><b>__I</b> </td><td align="left">Scalar variable </td><td align="left">Defines 'read only' permissions </td></tr> -<tr> -<td align="left"><b>__O</b> </td><td align="left">Scalar variable </td><td align="left">Defines 'write only' permissions </td></tr> -<tr> -<td align="left"><b>__IO</b> </td><td align="left">Scalar variable </td><td align="left">Defines 'read / write' permissions </td></tr> -</table> -</li> -</ul> -<dl class="section note"><dt>Note</dt><dd><b>__IM</b>, <b>__OM</b>, <b>__IOM</b> are added in CMSIS-Core V4.20 to enhance support for C++. Prior version used <b>__I</b>, <b>__O</b>, <b>__IO</b> also for struct member definitions.</dd></dl> -<p>The typedef <b><<em>device abbreviation</em>>_UART_TypeDef</b> shown below defines the generic register layout for all UART channels in a device.</p> -<div class="fragment"><div class="line"><span class="keyword">typedef</span> <span class="keyword">struct</span></div> -<div class="line">{</div> -<div class="line"> <span class="keyword">union </span>{</div> -<div class="line"> __IM uint8_t RBR; <span class="comment">/* Offset: 0x000 (R/ ) Receiver Buffer Register */</span></div> -<div class="line"> __OM uint8_t THR; <span class="comment">/* Offset: 0x000 ( /W) Transmit Holding Register */</span></div> -<div class="line"> __IOM uint8_t DLL; <span class="comment">/* Offset: 0x000 (R/W) Divisor Latch LSB */</span></div> -<div class="line"> uint32_t RESERVED0;</div> -<div class="line"> };</div> -<div class="line"> <span class="keyword">union </span>{</div> -<div class="line"> __IOM uint8_t DLM; <span class="comment">/* Offset: 0x004 (R/W) Divisor Latch MSB */</span></div> -<div class="line"> __IOM uint32_t IER; <span class="comment">/* Offset: 0x004 (R/W) Interrupt Enable Register */</span></div> -<div class="line"> };</div> -<div class="line"> <span class="keyword">union </span>{</div> -<div class="line"> __IM uint32_t IIR; <span class="comment">/* Offset: 0x008 (R/ ) Interrupt ID Register */</span></div> -<div class="line"> __OM uint8_t FCR; <span class="comment">/* Offset: 0x008 ( /W) FIFO Control Register */</span></div> -<div class="line"> };</div> -<div class="line"> __IOM uint8_t LCR; <span class="comment">/* Offset: 0x00C (R/W) Line Control Register */</span></div> -<div class="line"> uint8_t RESERVED1[7];</div> -<div class="line"> __IM uint8_t LSR; <span class="comment">/* Offset: 0x014 (R/ ) Line Status Register */</span></div> -<div class="line"> uint8_t RESERVED2[7];</div> -<div class="line"> __IOM uint8_t SCR; <span class="comment">/* Offset: 0x01C (R/W) Scratch Pad Register */</span></div> -<div class="line"> uint8_t RESERVED3[3];</div> -<div class="line"> __IOM uint32_t ACR; <span class="comment">/* Offset: 0x020 (R/W) Autobaud Control Register */</span></div> -<div class="line"> __IOM uint8_t ICR; <span class="comment">/* Offset: 0x024 (R/W) IrDA Control Register */</span></div> -<div class="line"> uint8_t RESERVED4[3];</div> -<div class="line"> __IOM uint8_t FDR; <span class="comment">/* Offset: 0x028 (R/W) Fractional Divider Register */</span></div> -<div class="line"> uint8_t RESERVED5[7];</div> -<div class="line"> __IOM uint8_t TER; <span class="comment">/* Offset: 0x030 (R/W) Transmit Enable Register */</span></div> -<div class="line"> uint8_t RESERVED6[39];</div> -<div class="line"> __IM uint8_t FIFOLVL; <span class="comment">/* Offset: 0x058 (R/ ) FIFO Level Register */</span></div> -<div class="line">} LPC_UART_TypeDef;</div> -</div><!-- fragment --><p>To access the registers of the UART defined above, pointers to this register structure are defined. If more instances of a peripheral exist, the variables have a postfix (digit or letter) that identifies the peripheral.</p> -<p><b>Example:</b> In this example <b>LPC_UART2</b> and <b>LPC_UART3</b> are two pointers to UARTs defined with above register structure. <br/> - </p> -<div class="fragment"><div class="line"><span class="preprocessor">#define LPC_UART2 ((LPC_UART_TypeDef *) LPC_UART2_BASE )</span></div> -<div class="line"><span class="preprocessor">#define LPC_UART3 ((LPC_UART_TypeDef *) LPC_UART3_BASE )</span></div> -</div><!-- fragment --><p>The registers in the various UARTs can now be referred in the user code as shown below:<br/> - </p> -<div class="fragment"><div class="line">val = LPC_UART2->DR <span class="comment">// is the data register of UART1.</span></div> -</div><!-- fragment --><hr/> -<h1><a class="anchor" id="core_cmsis_pal_min_reqs"></a> -Minimal Requirements</h1> -<p>To access the peripheral registers and related function in a device, the files <b><em>device.h</em></b> and <b>core_cm<em>#</em>.h</b> define as a minimum: <br/> -<br/> -</p> -<ul> -<li>The <b>Register Layout Typedef</b> for each peripheral that defines all register names. RESERVED is used to introduce space into the structure for adjusting the addresses of the peripheral registers. <br/> -<br/> - <b>Example:</b> <div class="fragment"><div class="line"><span class="keyword">typedef</span> <span class="keyword">struct</span></div> -<div class="line">{</div> -<div class="line"> __IOM uint32_t CTRL; <span class="comment">/* Offset: 0x000 (R/W) SysTick Control and Status Register */</span></div> -<div class="line"> __IOM uint32_t LOAD; <span class="comment">/* Offset: 0x004 (R/W) SysTick Reload Value Register */</span></div> -<div class="line"> __IOM uint32_t VAL; <span class="comment">/* Offset: 0x008 (R/W) SysTick Current Value Register */</span></div> -<div class="line"> __IM uint32_t CALIB; <span class="comment">/* Offset: 0x00C (R/ ) SysTick Calibration Register */</span></div> -<div class="line">} <a class="code" href="struct_sys_tick___type.html" title="Structure type to access the System Timer (SysTick).">SysTick_Type</a>;</div> -</div><!-- fragment --></li> -</ul> -<ul> -<li><b>Base Address</b> for each peripheral (in case of multiple peripherals that use the same <b>register layout typedef</b> multiple base addresses are defined). <br/> -<br/> - <b>Example:</b> <div class="fragment"><div class="line"><span class="preprocessor">#define SysTick_BASE (SCS_BASE + 0x0010) </span><span class="comment">/* SysTick Base Address */</span><span class="preprocessor"></span></div> -</div><!-- fragment --></li> -</ul> -<ul> -<li><b>Access Definitions</b> for each peripheral. In case of multiple peripherals that are using the same <b>register layout typdef</b>, multiple access definitions exist (LPC_UART0, LPC_UART2). <br/> -<br/> - <b>Example:</b> <div class="fragment"><div class="line"><span class="preprocessor">#define SysTick ((SysTick_Type *) Systick_BASE) </span><span class="comment">/* SysTick access definition */</span><span class="preprocessor"></span></div> -</div><!-- fragment --></li> -</ul> -<p>These definitions allow accessing peripheral registers with simple assignments.</p> -<ul> -<li><b>Example:</b> <br/> - <div class="fragment"><div class="line">SysTick->CTRL = 0;</div> -</div><!-- fragment --></li> -</ul> -<hr/> -<h1><a class="anchor" id="core_cmsis_pal_opts"></a> -Optional Features</h1> -<p>Optionally, the file <b><em>device</em>.h</b> may define:</p> -<ul> -<li><a class="el" href="group__peripheral__gr.html#core_cmsis_pal_bitfields">Register Bit Fields</a> and #define constants that simplify access to peripheral registers. These constants may define bit-positions or other specific patterns that are required for programming peripheral registers. The identifiers should start with <b><<em>device abbreviation</em>>_</b> and <b><<em>peripheral name</em>>_</b>. It is recommended to use CAPITAL letters for #define constants.</li> -</ul> -<ul> -<li>More complex functions (i.e. status query before a sending register is accessed). Again, these functions start with <b><<em>device abbreviation</em>>_</b> and <b><<em>peripheral name</em>>_</b>.</li> -</ul> -<hr/> -<h1><a class="anchor" id="core_cmsis_pal_bitfields"></a> -Register Bit Fields</h1> -<p>For Core Register, macros define the position and the mask value for a bit field. It is recommended to create such definitions also for other peripheral registers.</p> -<p><b>Example:</b></p> -<p>Bit field definitions for register CPUID in SCB (System Control Block).</p> -<div class="fragment"><div class="line"><span class="comment">/* SCB CPUID Register Definitions */</span></div> -<div class="line"><span class="preprocessor">#define SCB_CPUID_IMPLEMENTER_Pos 24U </span></div> -<div class="line"><span class="preprocessor">#define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) </span></div> -<div class="line"><span class="preprocessor">#define SCB_CPUID_VARIANT_Pos 20U </span></div> -<div class="line"><span class="preprocessor">#define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) </span></div> -<div class="line"><span class="preprocessor">#define SCB_CPUID_ARCHITECTURE_Pos 16U </span></div> -<div class="line"><span class="preprocessor">#define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) </span></div> -<div class="line"><span class="preprocessor">#define SCB_CPUID_PARTNO_Pos 4U </span></div> -<div class="line"><span class="preprocessor">#define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) </span></div> -<div class="line"><span class="preprocessor">#define SCB_CPUID_REVISION_Pos 0U </span></div> -<div class="line"><span class="preprocessor">#define SCB_CPUID_REVISION_Msk (0xFUL </span><span class="comment">/*<< SCB_CPUID_REVISION_Pos*/</span><span class="preprocessor">) </span></div> -</div><!-- fragment --><p>The macros <b><a class="el" href="group__peripheral__gr.html#ga286e3b913dbd236c7f48ea70c8821f4e" title="Mask and shift a bit field value for assigning to result to a peripheral register.">_VAL2FLD(field, value)</a></b> and <b><a class="el" href="group__peripheral__gr.html#ga139b6e261c981f014f386927ca4a8444" title="Extract from a peripheral register value the a bit field value.">_FLD2VAL(field, value)</a></b> enable access to bit fields. </p> -<h2 class="groupheader">Macro Definition Documentation</h2> -<a class="anchor" id="ga139b6e261c981f014f386927ca4a8444"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">#define _FLD2VAL</td> - <td>(</td> - <td class="paramtype"> </td> - <td class="paramname">field, </td> - </tr> - <tr> - <td class="paramkey"></td> - <td></td> - <td class="paramtype"> </td> - <td class="paramname">value </td> - </tr> - <tr> - <td></td> - <td>)</td> - <td></td><td></td> - </tr> - </table> -</div><div class="memdoc"> -<dl class="params"><dt>Parameters</dt><dd> - <table class="params"> - <tr><td class="paramname">field</td><td>name of bit field. </td></tr> - <tr><td class="paramname">value</td><td>value of the register</td></tr> - </table> - </dd> -</dl> -<p>The macro <a class="el" href="group__peripheral__gr.html#ga139b6e261c981f014f386927ca4a8444">_FLD2VAL</a> uses the #define's <em>_Pos</em> and <em>_Msk</em> of the related bit field to extract the value of a bit field from a register.</p> -<p><b>Example:</b> </p> -<div class="fragment"><div class="line"><span class="keywordtype">id</span> = = <a class="code" href="group__peripheral__gr.html#ga139b6e261c981f014f386927ca4a8444" title="Extract from a peripheral register value the a bit field value.">_FLD2VAL</a>(SCB_CPUID_REVISION, SCB->CPUID);</div> -</div><!-- fragment --> -</div> -</div> -<a class="anchor" id="ga286e3b913dbd236c7f48ea70c8821f4e"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">#define _VAL2FLD</td> - <td>(</td> - <td class="paramtype"> </td> - <td class="paramname">field, </td> - </tr> - <tr> - <td class="paramkey"></td> - <td></td> - <td class="paramtype"> </td> - <td class="paramname">value </td> - </tr> - <tr> - <td></td> - <td>)</td> - <td></td><td></td> - </tr> - </table> -</div><div class="memdoc"> -<dl class="params"><dt>Parameters</dt><dd> - <table class="params"> - <tr><td class="paramname">field</td><td>name of bit field. </td></tr> - <tr><td class="paramname">value</td><td>value for the bit field.</td></tr> - </table> - </dd> -</dl> -<p>The macro <a class="el" href="group__peripheral__gr.html#ga286e3b913dbd236c7f48ea70c8821f4e">_VAL2FLD</a> uses the #define's <em>_Pos</em> and <em>_Msk</em> of the related bit field to shift bit-field values for assigning to a register.</p> -<p><b>Example:</b> </p> -<div class="fragment"><div class="line">SCB->CPUID = <a class="code" href="group__peripheral__gr.html#ga286e3b913dbd236c7f48ea70c8821f4e" title="Mask and shift a bit field value for assigning to result to a peripheral register.">_VAL2FLD</a>(SCB_CPUID_REVISION, 0x3) | <a class="code" href="group__peripheral__gr.html#ga286e3b913dbd236c7f48ea70c8821f4e" title="Mask and shift a bit field value for assigning to result to a peripheral register.">_VAL2FLD</a>(SCB_CPUID_VARIANT, 0x3);</div> -</div><!-- fragment --> -</div> -</div> -</div><!-- contents --> -</div><!-- doc-content --> -<!-- start footer part --> -<div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> - 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