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<title>libdragonfly: USB Input / Output</title> |
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<li><a href="annotated.html"><span>Data Structures</span></a></li> |
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<h1>USB Input / Output</h1>Functions for USB input / output. |
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<a href="#_details">More...</a><table border="0" cellpadding="0" cellspacing="0"> |
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<tr><td></td></tr> |
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<tr><td colspan="2"><br><h2>Defines</h2></td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="g378065b4d75b008228ee41cc335474a7"></a><!-- doxytag: member="usb::USB_BAUD" ref="g378065b4d75b008228ee41cc335474a7" args="" --> |
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#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__usb.html#g378065b4d75b008228ee41cc335474a7">USB_BAUD</a> 115200</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">the USB baud rate <br></td></tr> |
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<tr><td colspan="2"><br><h2>Functions</h2></td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__usb.html#gddfbdb66f507ffcd08b4496531ed0a3d">usb_init</a> (void)</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Initialize the USB. <a href="#gddfbdb66f507ffcd08b4496531ed0a3d"></a><br></td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__usb.html#g3ee898cfe59d05c428c56021c2ccf946">usb_putc</a> (char c)</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Print a character to USB. <a href="#g3ee898cfe59d05c428c56021c2ccf946"></a><br></td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__usb.html#g053a5d887edfe8e8be543ec53a3f60ae">usb_getc</a> (void)</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Read a character from USB. <a href="#g053a5d887edfe8e8be543ec53a3f60ae"></a><br></td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__usb.html#g6b1209b19e7fd2bbedc7407e0218453c">usb_getc_nb</a> (char *c)</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Read a character from USB without blocking. <a href="#g6b1209b19e7fd2bbedc7407e0218453c"></a><br></td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__usb.html#g6e101f68856f272f67923c4fb35a99e0">usb_puts</a> (char *s)</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Print a string to USB. <a href="#g6e101f68856f272f67923c4fb35a99e0"></a><br></td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__usb.html#g774d8b902cae279696c53502168ade07">usb_puts_P</a> (PGM_P s)</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Print a string from program space to USB. <a href="#g774d8b902cae279696c53502168ade07"></a><br></td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__usb.html#gcd371dedbff10f0c52dca4b3b7af9e3d">usb_puti</a> (int value)</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Print an integer to USB. <a href="#gcd371dedbff10f0c52dca4b3b7af9e3d"></a><br></td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__usb.html#g94d47853c33da12c71dec155f819cfeb">hex_digit</a> (uint8_t value)</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Determine a hexadecimal digit. <a href="#g94d47853c33da12c71dec155f819cfeb"></a><br></td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__usb.html#g8e7e31f1e45721ac032267b13d0f759b">usb_puth16</a> (uint16_t value)</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Print a fixed width hexadecimal representation to USB. <a href="#g8e7e31f1e45721ac032267b13d0f759b"></a><br></td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__usb.html#g21462df541911e0611416e85be6ea34d">usb_puth8</a> (uint8_t value)</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Print a fixed width hexadecimal representation to USB. <a href="#g21462df541911e0611416e85be6ea34d"></a><br></td></tr> |
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</table>
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<hr><a name="_details"></a><h2>Detailed Description</h2> |
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Functions for USB input / output. |
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<p>
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Low level functions for USB input and output. <hr><h2>Function Documentation</h2> |
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<a class="anchor" name="g94d47853c33da12c71dec155f819cfeb"></a><!-- doxytag: member="serial.h::hex_digit" ref="g94d47853c33da12c71dec155f819cfeb" args="(uint8_t value)" --> |
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<td class="memname">uint8_t hex_digit </td> |
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<td>(</td> |
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<td class="paramtype">uint8_t </td> |
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<td class="paramname"> <em>value</em> </td> |
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<td> ) </td> |
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<div class="memdoc"> |
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<p>
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Determine a hexadecimal digit. |
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Determines a hexadecimal digit in ASCII code.<p>
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<dl compact><dt><b>Parameters:</b></dt><dd> |
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<table border="0" cellspacing="2" cellpadding="0"> |
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<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>the value of the digit (0<=value<=15)</td></tr> |
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</table>
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</dl>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>the hexadecimal digit in ASCII code, or '?' if the input is invalid. </dd></dl> |
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<p>Referenced by <a class="el" href="serial_8c-source.html#l00328">usb_puth16()</a>, and <a class="el" href="serial_8c-source.html#l00345">usb_puth8()</a>.</p> |
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</div><p> |
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<a class="anchor" name="g053a5d887edfe8e8be543ec53a3f60ae"></a><!-- doxytag: member="serial.h::usb_getc" ref="g053a5d887edfe8e8be543ec53a3f60ae" args="(void)" --> |
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<td class="memname">int usb_getc </td> |
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<td>(</td> |
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<td class="paramtype">void </td> |
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<td class="paramname"> </td> |
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<td> ) </td> |
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Read a character from USB. |
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Returns the first character in the buffer received from USB. This function blocks execution until a character has been received. xbee_init must be called before this function may be used.<p>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>the first character in the usb buffer</dd></dl> |
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__usb.html#gddfbdb66f507ffcd08b4496531ed0a3d" title="Initialize the USB.">usb_init</a>, <a class="el" href="group__usb.html#g6b1209b19e7fd2bbedc7407e0218453c" title="Read a character from USB without blocking.">usb_getc_nb</a> </dd></dl> |
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<p>Referenced by <a class="el" href="serial_8c-source.html#l00055">usb_init()</a>.</p> |
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</div><p> |
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<a class="anchor" name="g6b1209b19e7fd2bbedc7407e0218453c"></a><!-- doxytag: member="serial.h::usb_getc_nb" ref="g6b1209b19e7fd2bbedc7407e0218453c" args="(char *c)" --> |
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<td class="memname">int usb_getc_nb </td> |
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<td>(</td> |
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<td class="paramtype">char * </td> |
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<td class="paramname"> <em>c</em> </td> |
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<td> ) </td> |
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<p>
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Read a character from USB without blocking. |
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<p>
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Non blocking version of usb_getc. If a character is present in the buffer, it is returned, otherwise -1 is returned immediately. usb_init must be called before this function can be used.<p>
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<dl compact><dt><b>Parameters:</b></dt><dd> |
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<table border="0" cellspacing="2" cellpadding="0"> |
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<tr><td valign="top"></td><td valign="top"><em>c</em> </td><td>the received character. This will be set if a character has been received.</td></tr> |
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</table>
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</dl>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>-1 if no character is available, 0 otherwise</dd></dl> |
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__usb.html#gddfbdb66f507ffcd08b4496531ed0a3d" title="Initialize the USB.">usb_init</a>, <a class="el" href="group__usb.html#g053a5d887edfe8e8be543ec53a3f60ae" title="Read a character from USB.">usb_getc</a> </dd></dl> |
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</div><p> |
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<a class="anchor" name="gddfbdb66f507ffcd08b4496531ed0a3d"></a><!-- doxytag: member="serial.h::usb_init" ref="gddfbdb66f507ffcd08b4496531ed0a3d" args="(void)" --> |
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<td class="memname">void usb_init </td> |
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<td>(</td> |
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<td class="paramtype">void </td> |
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<td class="paramname"> </td> |
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<td> ) </td> |
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Initialize the USB. |
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Initializes communication over the USB serial port. This must be called before any other usb function may be used. |
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<p>References <a class="el" href="serial_8c-source.html#l00043">usb_fd</a>, <a class="el" href="serial_8c-source.html#l00188">usb_getc()</a>, and <a class="el" href="serial_8c-source.html#l00124">usb_putc()</a>.</p> |
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<p>Referenced by <a class="el" href="dragonfly__lib_8c-source.html#l00068">dragonfly_init()</a>.</p> |
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<a class="anchor" name="g3ee898cfe59d05c428c56021c2ccf946"></a><!-- doxytag: member="serial.h::usb_putc" ref="g3ee898cfe59d05c428c56021c2ccf946" args="(char c)" --> |
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<td class="memname">int usb_putc </td> |
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<td>(</td> |
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<td class="paramtype">char </td> |
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<td class="paramname"> <em>c</em> </td> |
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Print a character to USB. |
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Sends a character over USB.<p>
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<dl compact><dt><b>Parameters:</b></dt><dd> |
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<table border="0" cellspacing="2" cellpadding="0"> |
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<tr><td valign="top"></td><td valign="top"><em>c</em> </td><td>the character to send </td></tr> |
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 for success, nonzero for failure </dd></dl> |
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<p>Referenced by <a class="el" href="serial_8c-source.html#l00055">usb_init()</a>, <a class="el" href="serial_8c-source.html#l00328">usb_puth16()</a>, <a class="el" href="serial_8c-source.html#l00345">usb_puth8()</a>, <a class="el" href="serial_8c-source.html#l00279">usb_puti()</a>, <a class="el" href="serial_8c-source.html#l00154">usb_puts()</a>, and <a class="el" href="serial_8c-source.html#l00168">usb_puts_P()</a>.</p> |
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<a class="anchor" name="g8e7e31f1e45721ac032267b13d0f759b"></a><!-- doxytag: member="serial.h::usb_puth16" ref="g8e7e31f1e45721ac032267b13d0f759b" args="(uint16_t value)" --> |
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<td class="memname">void usb_puth16 </td> |
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<td class="paramname"> <em>value</em> </td> |
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Print a fixed width hexadecimal representation to USB. |
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Prints a fixed width hexadecimal representation of an unsigned 16 bit integer in ASCII code to USB. usb_init must be called before this function can be used.<p>
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<dl compact><dt><b>Parameters:</b></dt><dd> |
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<table border="0" cellspacing="2" cellpadding="0"> |
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<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>the value to print</td></tr> |
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</table>
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__usb.html#gddfbdb66f507ffcd08b4496531ed0a3d" title="Initialize the USB.">usb_init</a>, <a class="el" href="group__usb.html#gcd371dedbff10f0c52dca4b3b7af9e3d" title="Print an integer to USB.">usb_puti</a>, <a class="el" href="group__usb.html#g6e101f68856f272f67923c4fb35a99e0" title="Print a string to USB.">usb_puts</a>, <a class="el" href="group__usb.html#g21462df541911e0611416e85be6ea34d" title="Print a fixed width hexadecimal representation to USB.">usb_puth8</a>, <a class="el" href="group__usb.html#g94d47853c33da12c71dec155f819cfeb" title="Determine a hexadecimal digit.">hex_digit</a> </dd></dl> |
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<p>References <a class="el" href="serial_8c-source.html#l00311">hex_digit()</a>, and <a class="el" href="serial_8c-source.html#l00124">usb_putc()</a>.</p> |
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<a class="anchor" name="g21462df541911e0611416e85be6ea34d"></a><!-- doxytag: member="serial.h::usb_puth8" ref="g21462df541911e0611416e85be6ea34d" args="(uint8_t value)" --> |
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<td class="memname">void usb_puth8 </td> |
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<td class="paramname"> <em>value</em> </td> |
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<td> ) </td> |
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Print a fixed width hexadecimal representation to USB. |
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Prints a fixed width hexadecimal representation of an unsigned 8 bit integer in ASCII code to USB. usb_init must be called before this function can be used.<p>
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<dl compact><dt><b>Parameters:</b></dt><dd> |
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<table border="0" cellspacing="2" cellpadding="0"> |
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<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>the value to print</td></tr> |
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</table>
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__usb.html#gddfbdb66f507ffcd08b4496531ed0a3d" title="Initialize the USB.">usb_init</a>, <a class="el" href="group__usb.html#gcd371dedbff10f0c52dca4b3b7af9e3d" title="Print an integer to USB.">usb_puti</a>, <a class="el" href="group__usb.html#g6e101f68856f272f67923c4fb35a99e0" title="Print a string to USB.">usb_puts</a>, <a class="el" href="group__usb.html#g8e7e31f1e45721ac032267b13d0f759b" title="Print a fixed width hexadecimal representation to USB.">usb_puth16</a>, <a class="el" href="group__usb.html#g94d47853c33da12c71dec155f819cfeb" title="Determine a hexadecimal digit.">hex_digit</a> </dd></dl> |
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<p>References <a class="el" href="serial_8c-source.html#l00311">hex_digit()</a>, and <a class="el" href="serial_8c-source.html#l00124">usb_putc()</a>.</p> |
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<td class="memname">int usb_puti </td> |
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<td class="paramtype">int </td> |
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<td class="paramname"> <em>value</em> </td> |
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<td> ) </td> |
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<div class="memdoc"> |
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<p>
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Print an integer to USB. |
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<p>
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Prints an integer, converted to ASCII, to usb. usb_init must be called before this function can be used.<p>
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<dl compact><dt><b>Parameters:</b></dt><dd> |
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<table border="0" cellspacing="2" cellpadding="0"> |
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<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>the integer to print</td></tr> |
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</table>
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</dl>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if successful, nonzero otherwise</dd></dl> |
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__usb.html#gddfbdb66f507ffcd08b4496531ed0a3d" title="Initialize the USB.">usb_init</a>, <a class="el" href="group__usb.html#g3ee898cfe59d05c428c56021c2ccf946" title="Print a character to USB.">usb_putc</a> </dd></dl> |
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<p>References <a class="el" href="serial_8c-source.html#l00124">usb_putc()</a>.</p> |
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</div><p> |
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<a class="anchor" name="g6e101f68856f272f67923c4fb35a99e0"></a><!-- doxytag: member="serial.h::usb_puts" ref="g6e101f68856f272f67923c4fb35a99e0" args="(char *s)" --> |
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<td class="memname">int usb_puts </td> |
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<td>(</td> |
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<td class="paramtype">char * </td> |
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<td class="paramname"> <em>s</em> </td> |
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<td> ) </td> |
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<td width="100%"></td> |
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<div class="memdoc"> |
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<p>
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Print a string to USB. |
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<p>
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Sends a sequence of characters over USB.<p>
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<dl compact><dt><b>Parameters:</b></dt><dd> |
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<table border="0" cellspacing="2" cellpadding="0"> |
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<tr><td valign="top"></td><td valign="top"><em>s</em> </td><td>the string to send </td></tr> |
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</table>
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</dl>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 for success, nonzero for failure </dd></dl> |
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<p>References <a class="el" href="serial_8c-source.html#l00124">usb_putc()</a>.</p> |
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</div><p> |
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<a class="anchor" name="g774d8b902cae279696c53502168ade07"></a><!-- doxytag: member="serial.h::usb_puts_P" ref="g774d8b902cae279696c53502168ade07" args="(PGM_P s)" --> |
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<td class="memname">void usb_puts_P </td> |
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<td>(</td> |
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<td class="paramtype">PGM_P </td> |
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<td class="paramname"> <em>s</em> </td> |
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<td> ) </td> |
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<td width="100%"></td> |
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<div class="memdoc"> |
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<p>
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Print a string from program space to USB. |
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<p>
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Sends a sequence of characters from program space over USB.<p>
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<dl compact><dt><b>Parameters:</b></dt><dd> |
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<table border="0" cellspacing="2" cellpadding="0"> |
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<tr><td valign="top"></td><td valign="top"><em>s</em> </td><td>the string to send </td></tr> |
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</table>
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</dl>
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<p>References <a class="el" href="serial_8c-source.html#l00124">usb_putc()</a>.</p> |
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<hr size="1"><address style="text-align: right;"><small>Generated on Wed Sep 2 23:20:09 2009 for libdragonfly by |
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<a href="http://www.doxygen.org/index.html"> |
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.5 </small></address> |
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