web/docs/group__pico__stdio__uart.html

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 103
 104 <div class="header">
 105   <div class="summary">
 106 <a href="#func-members">Functions</a>  </div>
 107   <div class="headertitle"><div class="title">pico_stdio_uart<div class="ingroups"><a class="el" href="group__runtime.html">Runtime Infrastructure</a> &raquo; <a class="el" href="group__pico__stdio.html">pico_stdio</a></div></div></div>
 108 </div><!--header-->
 109 <div class="contents">
 110
 111 <p>Support for stdin/stdout using UART.
 112 <a href="#details">More...</a></p>
 113 <table class="memberdecls">
 114 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
 115 Functions</h2></td></tr>
 116 <tr class="memitem:gafcc9bb58b1eb66b8571a507589f66fc2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__pico__stdio__uart.html#gafcc9bb58b1eb66b8571a507589f66fc2">stdio_uart_init</a> (void)</td></tr>
 117 <tr class="memdesc:gafcc9bb58b1eb66b8571a507589f66fc2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Explicitly initialize stdin/stdout over UART and add it to the current set of stdin/stdout drivers.  <a href="group__pico__stdio__uart.html#gafcc9bb58b1eb66b8571a507589f66fc2">More...</a><br /></td></tr>
 118 <tr class="separator:gafcc9bb58b1eb66b8571a507589f66fc2"><td class="memSeparator" colspan="2">&#160;</td></tr>
 119 <tr class="memitem:ga265eeb67b5f1f4720dbe863e34d6acc4"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__pico__stdio__uart.html#ga265eeb67b5f1f4720dbe863e34d6acc4">stdout_uart_init</a> (void)</td></tr>
 120 <tr class="memdesc:ga265eeb67b5f1f4720dbe863e34d6acc4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Explicitly initialize stdout only (no stdin) over UART and add it to the current set of stdout drivers.  <a href="group__pico__stdio__uart.html#ga265eeb67b5f1f4720dbe863e34d6acc4">More...</a><br /></td></tr>
 121 <tr class="separator:ga265eeb67b5f1f4720dbe863e34d6acc4"><td class="memSeparator" colspan="2">&#160;</td></tr>
 122 <tr class="memitem:ga77fc28ecaf14439cdec18ac5a96d50f4"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__pico__stdio__uart.html#ga77fc28ecaf14439cdec18ac5a96d50f4">stdin_uart_init</a> (void)</td></tr>
 123 <tr class="memdesc:ga77fc28ecaf14439cdec18ac5a96d50f4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Explicitly initialize stdin only (no stdout) over UART and add it to the current set of stdin drivers.  <a href="group__pico__stdio__uart.html#ga77fc28ecaf14439cdec18ac5a96d50f4">More...</a><br /></td></tr>
 124 <tr class="separator:ga77fc28ecaf14439cdec18ac5a96d50f4"><td class="memSeparator" colspan="2">&#160;</td></tr>
 125 <tr class="memitem:ga2335d6c842d8363cf3df6b215f881919"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__pico__stdio__uart.html#ga2335d6c842d8363cf3df6b215f881919">stdio_uart_init_full</a> (uart_inst_t *uart, uint baud_rate, int tx_pin, int rx_pin)</td></tr>
 126 <tr class="memdesc:ga2335d6c842d8363cf3df6b215f881919"><td class="mdescLeft">&#160;</td><td class="mdescRight">Perform custom initialization initialize stdin/stdout over UART and add it to the current set of stdin/stdout drivers.  <a href="group__pico__stdio__uart.html#ga2335d6c842d8363cf3df6b215f881919">More...</a><br /></td></tr>
 127 <tr class="separator:ga2335d6c842d8363cf3df6b215f881919"><td class="memSeparator" colspan="2">&#160;</td></tr>
 128 <tr class="memitem:ga3f1c7640efd0d3a9f60cf0581b3e5db3"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__pico__stdio__uart.html#ga3f1c7640efd0d3a9f60cf0581b3e5db3">stdio_uart_deinit</a> (void)</td></tr>
 129 <tr class="memdesc:ga3f1c7640efd0d3a9f60cf0581b3e5db3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Explicitly deinitialize stdin/stdout over UART and remove it from the current set of stdin/stdout drivers.  <a href="group__pico__stdio__uart.html#ga3f1c7640efd0d3a9f60cf0581b3e5db3">More...</a><br /></td></tr>
 130 <tr class="separator:ga3f1c7640efd0d3a9f60cf0581b3e5db3"><td class="memSeparator" colspan="2">&#160;</td></tr>
 131 <tr class="memitem:ga4c07c9747cd1f6cca963e9ab1b827745"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__pico__stdio__uart.html#ga4c07c9747cd1f6cca963e9ab1b827745">stdout_uart_deinit</a> (void)</td></tr>
 132 <tr class="memdesc:ga4c07c9747cd1f6cca963e9ab1b827745"><td class="mdescLeft">&#160;</td><td class="mdescRight">Explicitly deinitialize stdout only (no stdin) over UART and remove it from the current set of stdout drivers.  <a href="group__pico__stdio__uart.html#ga4c07c9747cd1f6cca963e9ab1b827745">More...</a><br /></td></tr>
 133 <tr class="separator:ga4c07c9747cd1f6cca963e9ab1b827745"><td class="memSeparator" colspan="2">&#160;</td></tr>
 134 <tr class="memitem:ga83ea2a4916972e370b2faff60895611f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__pico__stdio__uart.html#ga83ea2a4916972e370b2faff60895611f">stdin_uart_deinit</a> (void)</td></tr>
 135 <tr class="memdesc:ga83ea2a4916972e370b2faff60895611f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Explicitly deinitialize stdin only (no stdout) over UART and remove it from the current set of stdin drivers.  <a href="group__pico__stdio__uart.html#ga83ea2a4916972e370b2faff60895611f">More...</a><br /></td></tr>
 136 <tr class="separator:ga83ea2a4916972e370b2faff60895611f"><td class="memSeparator" colspan="2">&#160;</td></tr>
 137 <tr class="memitem:gab4956585ad29fb33dd08924866209e31"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__pico__stdio__uart.html#gab4956585ad29fb33dd08924866209e31">stdio_uart_deinit_full</a> (uart_inst_t *uart, int tx_pin, int rx_pin)</td></tr>
 138 <tr class="memdesc:gab4956585ad29fb33dd08924866209e31"><td class="mdescLeft">&#160;</td><td class="mdescRight">Perform custom deinitialization deinitialize stdin/stdout over UART and remove it from the current set of stdin/stdout drivers.  <a href="group__pico__stdio__uart.html#gab4956585ad29fb33dd08924866209e31">More...</a><br /></td></tr>
 139 <tr class="separator:gab4956585ad29fb33dd08924866209e31"><td class="memSeparator" colspan="2">&#160;</td></tr>
 140 </table>
 141 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 142 <p >Support for stdin/stdout using UART. </p>
 143 <p >Linking this library or calling <code>pico_enable_stdio_uart(TARGET ENABLED)</code> in the CMake (which achieves the same thing) will add UART to the drivers used for standard input/output </p>
 144 <h2 class="groupheader">Function Documentation</h2>
 145 <a id="ga83ea2a4916972e370b2faff60895611f" name="ga83ea2a4916972e370b2faff60895611f"></a>
 146 <h2 class="memtitle"><span class="permalink"><a href="#ga83ea2a4916972e370b2faff60895611f">&#9670;&nbsp;</a></span>stdin_uart_deinit()</h2>
 147
 148 <div class="memitem">
 149 <div class="memproto">
 150       <table class="memname">
 151         <tr>
 152           <td class="memname">void stdin_uart_deinit </td>
 153           <td>(</td>
 154           <td class="paramtype">void&#160;</td>
 155           <td class="paramname"></td><td>)</td>
 156           <td></td>
 157         </tr>
 158       </table>
 159 </div><div class="memdoc">
 160
 161 <p>Explicitly deinitialize stdin only (no stdout) over UART and remove it from the current set of stdin drivers. </p>
 162 <p >This method disables PICO_DEFAULT_UART_RX_PIN for UART input (if defined), and leaves the pads isolated </p>
 163
 164 </div>
 165 </div>
 166 <a id="ga77fc28ecaf14439cdec18ac5a96d50f4" name="ga77fc28ecaf14439cdec18ac5a96d50f4"></a>
 167 <h2 class="memtitle"><span class="permalink"><a href="#ga77fc28ecaf14439cdec18ac5a96d50f4">&#9670;&nbsp;</a></span>stdin_uart_init()</h2>
 168
 169 <div class="memitem">
 170 <div class="memproto">
 171       <table class="memname">
 172         <tr>
 173           <td class="memname">void stdin_uart_init </td>
 174           <td>(</td>
 175           <td class="paramtype">void&#160;</td>
 176           <td class="paramname"></td><td>)</td>
 177           <td></td>
 178         </tr>
 179       </table>
 180 </div><div class="memdoc">
 181
 182 <p>Explicitly initialize stdin only (no stdout) over UART and add it to the current set of stdin drivers. </p>
 183 <p >This method sets up PICO_DEFAULT_UART_RX_PIN for UART input (if defined) , and configures the baud rate as PICO_DEFAULT_UART_BAUD_RATE </p>
 184
 185 </div>
 186 </div>
 187 <a id="ga3f1c7640efd0d3a9f60cf0581b3e5db3" name="ga3f1c7640efd0d3a9f60cf0581b3e5db3"></a>
 188 <h2 class="memtitle"><span class="permalink"><a href="#ga3f1c7640efd0d3a9f60cf0581b3e5db3">&#9670;&nbsp;</a></span>stdio_uart_deinit()</h2>
 189
 190 <div class="memitem">
 191 <div class="memproto">
 192       <table class="memname">
 193         <tr>
 194           <td class="memname">void stdio_uart_deinit </td>
 195           <td>(</td>
 196           <td class="paramtype">void&#160;</td>
 197           <td class="paramname"></td><td>)</td>
 198           <td></td>
 199         </tr>
 200       </table>
 201 </div><div class="memdoc">
 202
 203 <p>Explicitly deinitialize stdin/stdout over UART and remove it from the current set of stdin/stdout drivers. </p>
 204 <p >This method disables PICO_DEFAULT_UART_TX_PIN for UART output (if defined), PICO_DEFAULT_UART_RX_PIN for input (if defined) and leaves the pads isolated.</p>
 205 <dl class="section note"><dt>Note</dt><dd>this method is automatically called by <a class="el" href="group__pico__stdio.html#gace6c31545f212bf181718f4fc7587ea7">stdio_deinit_all()</a> if <code>pico_stdio_uart</code> is included in the build </dd></dl>
 206
 207 </div>
 208 </div>
 209 <a id="gab4956585ad29fb33dd08924866209e31" name="gab4956585ad29fb33dd08924866209e31"></a>
 210 <h2 class="memtitle"><span class="permalink"><a href="#gab4956585ad29fb33dd08924866209e31">&#9670;&nbsp;</a></span>stdio_uart_deinit_full()</h2>
 211
 212 <div class="memitem">
 213 <div class="memproto">
 214       <table class="memname">
 215         <tr>
 216           <td class="memname">void stdio_uart_deinit_full </td>
 217           <td>(</td>
 218           <td class="paramtype">uart_inst_t *&#160;</td>
 219           <td class="paramname"><em>uart</em>, </td>
 220         </tr>
 221         <tr>
 222           <td class="paramkey"></td>
 223           <td></td>
 224           <td class="paramtype">int&#160;</td>
 225           <td class="paramname"><em>tx_pin</em>, </td>
 226         </tr>
 227         <tr>
 228           <td class="paramkey"></td>
 229           <td></td>
 230           <td class="paramtype">int&#160;</td>
 231           <td class="paramname"><em>rx_pin</em>&#160;</td>
 232         </tr>
 233         <tr>
 234           <td></td>
 235           <td>)</td>
 236           <td></td><td></td>
 237         </tr>
 238       </table>
 239 </div><div class="memdoc">
 240
 241 <p>Perform custom deinitialization deinitialize stdin/stdout over UART and remove it from the current set of stdin/stdout drivers. </p>
 242 <dl class="params"><dt>Parameters</dt><dd>
 243   <table class="params">
 244     <tr><td class="paramname">uart</td><td>the uart instance to use, <a class="el" href="group__hardware__uart.html#ga4c45ff280c79aa60358d8241b7e5824b">uart0</a> or <a class="el" href="group__hardware__uart.html#gad94ac6d5e345a1f794174d9bb7c6f69c">uart1</a> </td></tr>
 245     <tr><td class="paramname">tx_pin</td><td>the UART pin to use for stdout (or -1 for no stdout) </td></tr>
 246     <tr><td class="paramname">rx_pin</td><td>the UART pin to use for stdin (or -1 for no stdin) </td></tr>
 247   </table>
 248   </dd>
 249 </dl>
 250
 251 </div>
 252 </div>
 253 <a id="gafcc9bb58b1eb66b8571a507589f66fc2" name="gafcc9bb58b1eb66b8571a507589f66fc2"></a>
 254 <h2 class="memtitle"><span class="permalink"><a href="#gafcc9bb58b1eb66b8571a507589f66fc2">&#9670;&nbsp;</a></span>stdio_uart_init()</h2>
 255
 256 <div class="memitem">
 257 <div class="memproto">
 258       <table class="memname">
 259         <tr>
 260           <td class="memname">void stdio_uart_init </td>
 261           <td>(</td>
 262           <td class="paramtype">void&#160;</td>
 263           <td class="paramname"></td><td>)</td>
 264           <td></td>
 265         </tr>
 266       </table>
 267 </div><div class="memdoc">
 268
 269 <p>Explicitly initialize stdin/stdout over UART and add it to the current set of stdin/stdout drivers. </p>
 270 <p >This method sets up PICO_DEFAULT_UART_TX_PIN for UART output (if defined), PICO_DEFAULT_UART_RX_PIN for input (if defined) and configures the baud rate as PICO_DEFAULT_UART_BAUD_RATE.</p>
 271 <dl class="section note"><dt>Note</dt><dd>this method is automatically called by <a class="el" href="group__pico__stdio.html#ga0e604311fb226dae91ff4eb17a19d67a">stdio_init_all()</a> if <code>pico_stdio_uart</code> is included in the build </dd></dl>
 272
 273 </div>
 274 </div>
 275 <a id="ga2335d6c842d8363cf3df6b215f881919" name="ga2335d6c842d8363cf3df6b215f881919"></a>
 276 <h2 class="memtitle"><span class="permalink"><a href="#ga2335d6c842d8363cf3df6b215f881919">&#9670;&nbsp;</a></span>stdio_uart_init_full()</h2>
 277
 278 <div class="memitem">
 279 <div class="memproto">
 280       <table class="memname">
 281         <tr>
 282           <td class="memname">void stdio_uart_init_full </td>
 283           <td>(</td>
 284           <td class="paramtype">uart_inst_t *&#160;</td>
 285           <td class="paramname"><em>uart</em>, </td>
 286         </tr>
 287         <tr>
 288           <td class="paramkey"></td>
 289           <td></td>
 290           <td class="paramtype">uint&#160;</td>
 291           <td class="paramname"><em>baud_rate</em>, </td>
 292         </tr>
 293         <tr>
 294           <td class="paramkey"></td>
 295           <td></td>
 296           <td class="paramtype">int&#160;</td>
 297           <td class="paramname"><em>tx_pin</em>, </td>
 298         </tr>
 299         <tr>
 300           <td class="paramkey"></td>
 301           <td></td>
 302           <td class="paramtype">int&#160;</td>
 303           <td class="paramname"><em>rx_pin</em>&#160;</td>
 304         </tr>
 305         <tr>
 306           <td></td>
 307           <td>)</td>
 308           <td></td><td></td>
 309         </tr>
 310       </table>
 311 </div><div class="memdoc">
 312
 313 <p>Perform custom initialization initialize stdin/stdout over UART and add it to the current set of stdin/stdout drivers. </p>
 314 <dl class="params"><dt>Parameters</dt><dd>
 315   <table class="params">
 316     <tr><td class="paramname">uart</td><td>the uart instance to use, <a class="el" href="group__hardware__uart.html#ga4c45ff280c79aa60358d8241b7e5824b">uart0</a> or <a class="el" href="group__hardware__uart.html#gad94ac6d5e345a1f794174d9bb7c6f69c">uart1</a> </td></tr>
 317     <tr><td class="paramname">baud_rate</td><td>the baud rate in Hz </td></tr>
 318     <tr><td class="paramname">tx_pin</td><td>the UART pin to use for stdout (or -1 for no stdout) </td></tr>
 319     <tr><td class="paramname">rx_pin</td><td>the UART pin to use for stdin (or -1 for no stdin) </td></tr>
 320   </table>
 321   </dd>
 322 </dl>
 323
 324 </div>
 325 </div>
 326 <a id="ga4c07c9747cd1f6cca963e9ab1b827745" name="ga4c07c9747cd1f6cca963e9ab1b827745"></a>
 327 <h2 class="memtitle"><span class="permalink"><a href="#ga4c07c9747cd1f6cca963e9ab1b827745">&#9670;&nbsp;</a></span>stdout_uart_deinit()</h2>
 328
 329 <div class="memitem">
 330 <div class="memproto">
 331       <table class="memname">
 332         <tr>
 333           <td class="memname">void stdout_uart_deinit </td>
 334           <td>(</td>
 335           <td class="paramtype">void&#160;</td>
 336           <td class="paramname"></td><td>)</td>
 337           <td></td>
 338         </tr>
 339       </table>
 340 </div><div class="memdoc">
 341
 342 <p>Explicitly deinitialize stdout only (no stdin) over UART and remove it from the current set of stdout drivers. </p>
 343 <p >This method disables PICO_DEFAULT_UART_TX_PIN for UART output (if defined), and leaves the pad isolated </p>
 344
 345 </div>
 346 </div>
 347 <a id="ga265eeb67b5f1f4720dbe863e34d6acc4" name="ga265eeb67b5f1f4720dbe863e34d6acc4"></a>
 348 <h2 class="memtitle"><span class="permalink"><a href="#ga265eeb67b5f1f4720dbe863e34d6acc4">&#9670;&nbsp;</a></span>stdout_uart_init()</h2>
 349
 350 <div class="memitem">
 351 <div class="memproto">
 352       <table class="memname">
 353         <tr>
 354           <td class="memname">void stdout_uart_init </td>
 355           <td>(</td>
 356           <td class="paramtype">void&#160;</td>
 357           <td class="paramname"></td><td>)</td>
 358           <td></td>
 359         </tr>
 360       </table>
 361 </div><div class="memdoc">
 362
 363 <p>Explicitly initialize stdout only (no stdin) over UART and add it to the current set of stdout drivers. </p>
 364 <p >This method sets up PICO_DEFAULT_UART_TX_PIN for UART output (if defined) , and configures the baud rate as PICO_DEFAULT_UART_BAUD_RATE </p>
 365
 366 </div>
 367 </div>
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 370
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