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diff --git a/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Libraries/CMSIS/Documentation/Core/html/group__peripheral__gr.html b/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Libraries/CMSIS/Documentation/Core/html/group__peripheral__gr.html new file mode 100644 index 0000000..ffde56f --- /dev/null +++ b/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Libraries/CMSIS/Documentation/Core/html/group__peripheral__gr.html @@ -0,0 +1,231 @@ +<!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"/> +<title>Peripheral Access</title> +<link href="tabs.css" rel="stylesheet" type="text/css"/> +<link href="cmsis.css" rel="stylesheet" type="text/css" /> +<link href="navtree.css" rel="stylesheet" type="text/css"/> +<script type="text/javascript" src="jquery.js"></script> +<script type="text/javascript" src="resize.js"></script> +<script type="text/javascript" src="navtree.js"></script> +<script type="text/javascript"> + $(document).ready(initResizable); +</script> +<link href="search/search.css" rel="stylesheet" type="text/css"/> +<script type="text/javascript" src="search/search.js"></script> +<script type="text/javascript"> + $(document).ready(function() { searchBox.OnSelectItem(0); }); +</script> + +</head> +<body> +<div id="top"><!-- do not remove this div! --> + +<div id="titlearea"> +<table cellspacing="0" cellpadding="0"> + <tbody> + <tr style="height: 46px;"> + <td id="proglogo"><img alt="CMSIS Logo" src="CMSIS_Logo_Final.png"></td> + + <td style="padding-left: 0.5em;"> + <div id="projectname">CMSIS-CORE +  <span id="projectnumber">Version 3.01</span> + </div> + <div id="projectbrief">CMSIS-CORE support for Cortex-M processor-based devices</div> + </td> + + + + </tr> + </tbody> +</table> +</div> + +<div id="CMSISnav" class="tabs1"> + <ul class="tablist"> + <li><a href="../../General/html/index.html"><span>CMSIS</span></a></li> + <li class="current"><a href="../../Core/html/index.html"><span>CORE</span></a></li> + <li><a href="../../DSP/html/index.html"><span>DSP</span></a></li> + <li><a href="../../RTOS/html/index.html"><span>RTOS API</span></a></li> + <li><a href="../../SVD/html/index.html"><span>SVD</span></a></li> + </ul> +</div> +<!-- Generated by Doxygen 1.7.5.1 --> +<script type="text/javascript"> +var searchBox = new SearchBox("searchBox", "search",false,'Search'); +</script> + <div id="navrow1" class="tabs"> + <ul class="tablist"> + <li><a href="index.html"><span>Main Page</span></a></li> + <li><a href="pages.html"><span>Usage and Description</span></a></li> + <li><a href="modules.html"><span>Reference</span></a></li> + <li> + <div id="MSearchBox" class="MSearchBoxInactive"> + <span class="left"> + <img id="MSearchSelect" src="search/mag_sel.png" + onmouseover="return searchBox.OnSearchSelectShow()" + onmouseout="return searchBox.OnSearchSelectHide()" + alt=""/> + <input type="text" id="MSearchField" value="Search" accesskey="S" + onfocus="searchBox.OnSearchFieldFocus(true)" + onblur="searchBox.OnSearchFieldFocus(false)" + onkeyup="searchBox.OnSearchFieldChange(event)"/> + </span><span class="right"> + <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> + </span> + </div> + </li> + </ul> + </div> +</div> +<div id="side-nav" class="ui-resizable side-nav-resizable"> + <div id="nav-tree"> + <div id="nav-tree-contents"> + </div> + </div> + <div id="splitbar" style="-moz-user-select:none;" + class="ui-resizable-handle"> + </div> +</div> +<script type="text/javascript"> + initNavTree('group__peripheral__gr.html',''); +</script> +<div id="doc-content"> +<div class="header"> + <div class="headertitle"> +<div class="title">Peripheral Access</div> </div> +</div> +<div class="contents"> + +<p>Describes naming conventions, requirements, and optional features for accessing peripherals. +<a href="#details">More...</a></p> +<p>Each peripheral provides a data type definition with a name that is composed of a prefix <b><<em>device abbreviation></em>_</b> and the <b><<em>peripheral name</em>>_</b>, for example <b>LPC_UART</b> for the device <b>LPC</b> and the peripheral <b>UART</b>. The intention is to avoid name collisions caused by short names. If more peripherals exist of the same type, identifiers have a postfix consisting of a digit or letter, for example <b>LPC_UART0</b>, <b>LPC_UART1</b>.</p> +<ul> +<li>The data type definition uses the standard C data types from the ANSI C header file <stdint.h>. IO Type Qualifiers are used to specify the access to peripheral variables. IO Type Qualifiers are indented to be used for automatic generation of debug information of peripheral registers and are defined as shown below:<br/> + <div class="fragment"><pre class="fragment"><span class="preprocessor"> #define __I volatile const </span> +<span class="preprocessor"> #define __O volatile </span> +<span class="preprocessor"> #define __IO volatile </span> +</pre></div></li> +</ul> +<ul> +<li>The following typedef is an example for a UART. <<em>device abbreviation</em>>_UART_TypeDef: defines the generic register layout for all UART channels in a device. <br/> + <div class="fragment"><pre class="fragment"><span class="keyword">typedef</span> <span class="keyword">struct</span> +{ + <span class="keyword">union </span>{ + __I uint8_t RBR; <span class="comment">/* Offset: 0x000 (R/ ) Receiver Buffer Register */</span> + __O uint8_t THR; <span class="comment">/* Offset: 0x000 ( /W) Transmit Holding Register */</span> + __IO uint8_t DLL; <span class="comment">/* Offset: 0x000 (R/W) Divisor Latch LSB */</span> + uint32_t RESERVED0; + }; + <span class="keyword">union </span>{ + __IO uint8_t DLM; <span class="comment">/* Offset: 0x004 (R/W) Divisor Latch MSB */</span> + __IO uint32_t IER; <span class="comment">/* Offset: 0x004 (R/W) Interrupt Enable Register */</span> + }; + <span class="keyword">union </span>{ + __I uint32_t IIR; <span class="comment">/* Offset: 0x008 (R/ ) Interrupt ID Register */</span> + __O uint8_t FCR; <span class="comment">/* Offset: 0x008 ( /W) FIFO Control Register */</span> + }; + __IO uint8_t LCR; <span class="comment">/* Offset: 0x00C (R/W) Line Control Register */</span> + uint8_t RESERVED1[7]; + __I uint8_t LSR; <span class="comment">/* Offset: 0x014 (R/ ) Line Status Register */</span> + uint8_t RESERVED2[7]; + __IO uint8_t SCR; <span class="comment">/* Offset: 0x01C (R/W) Scratch Pad Register */</span> + uint8_t RESERVED3[3]; + __IO uint32_t ACR; <span class="comment">/* Offset: 0x020 (R/W) Autobaud Control Register */</span> + __IO uint8_t ICR; <span class="comment">/* Offset: 0x024 (R/W) IrDA Control Register */</span> + uint8_t RESERVED4[3]; + __IO uint8_t FDR; <span class="comment">/* Offset: 0x028 (R/W) Fractional Divider Register */</span> + uint8_t RESERVED5[7]; + __IO uint8_t TER; <span class="comment">/* Offset: 0x030 (R/W) Transmit Enable Register */</span> + uint8_t RESERVED6[39]; + __I uint8_t FIFOLVL; <span class="comment">/* Offset: 0x058 (R/ ) FIFO Level Register */</span> +} LPC_UART_TypeDef; +</pre></div></li> +</ul> +<ul> +<li>To access the registers of the UART defined above, pointers to a register structure are defined. In this example <<em>device abbreviation</em>>_UART# are two pointers to UARTs defined with above register structure. <br/> + <div class="fragment"><pre class="fragment"><span class="preprocessor">#define LPC_UART2 ((LPC_UART_TypeDef *) LPC_UART2_BASE )</span> +<span class="preprocessor">#define LPC_UART3 ((LPC_UART_TypeDef *) LPC_UART3_BASE )</span> +</pre></div></li> +</ul> +<ul> +<li>The registers in the various UARTs can now be referred in the user code as shown below:<br/> + <div class="fragment"><pre class="fragment">LPC_UART1->DR <span class="comment">// is the data register of UART1.</span> +</pre></div></li> +</ul> +<hr/> +<h2><a class="anchor" id="core_cmsis_pal_min_reqs"></a> +Minimal Requirements</h2> +<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"><pre class="fragment"><span class="keyword">typedef</span> <span class="keyword">struct</span> +{ + __IO uint32_t CTRL; <span class="comment">/* Offset: 0x000 (R/W) SysTick Control and Status Register */</span> + __IO uint32_t LOAD; <span class="comment">/* Offset: 0x004 (R/W) SysTick Reload Value Register */</span> + __IO uint32_t VAL; <span class="comment">/* Offset: 0x008 (R/W) SysTick Current Value Register */</span> + __I uint32_t CALIB; <span class="comment">/* Offset: 0x00C (R/ ) SysTick Calibration Register */</span> +} <a class="code" href="struct_sys_tick___type.html" title="Structure type to access the System Timer (SysTick).">SysTick_Type</a>; +</pre></div></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"><pre class="fragment"><span class="preprocessor">#define SysTick_BASE (SCS_BASE + 0x0010) </span><span class="comment">/* SysTick Base Address */</span> +</pre></div></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"><pre class="fragment"><span class="preprocessor">#define SysTick ((SysTick_Type *) Systick_BASE) </span><span class="comment">/* SysTick access definition */</span> +</pre></div></li> +</ul> +<p>These definitions allow accessing peripheral registers with simple assignments.</p> +<p><b>Example:</b> <br/> + </p> +<div class="fragment"><pre class="fragment">SysTick->CTRL = 0; +</pre></div><hr/> +<h2><a class="anchor" id="core_cmsis_pal_opts"></a> +Optional Features</h2> +<p>Optionally, the file <b><em>device</em>.h</b> may define:</p> +<ul> +<li>#define constants, which simplify access to peripheral registers. These constants define bit-positions or other specific patterns that are required for programming peripheral registers. The identifiers start with <b><<em>device abbreviation</em>>_</b> and <b><<em>peripheral name</em>>_</b>. It is recommended to use CAPITAL letters for such #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> +</div> +</div> + <div id="nav-path" class="navpath"> + <ul> +<!-- 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></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> + + + <li class="footer">Generated on Wed Mar 28 2012 15:37:44 for CMSIS-CORE by ARM Ltd. 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