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joeycastillo
2024-02-07 19:02:57 +00:00
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group__i2c.html
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<title>Sensor Watch: I2C Controller Driver</title>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gab9f25517d9dc3c32a707266dfd413e5b"><td class="memItemLeft" align="right" valign="top"><a id="gab9f25517d9dc3c32a707266dfd413e5b" name="gab9f25517d9dc3c32a707266dfd413e5b"></a>
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void&#160;</td><td class="memItemRight" valign="bottom"><b>watch_enable_i2c</b> (void)</td></tr>
<tr class="memdesc:gab9f25517d9dc3c32a707266dfd413e5b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Enables the I2C peripheral. Call this before attempting to interface with I2C devices. <br /></td></tr>
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<tr class="memitem:ga2189bdff3dcb40f451d0aa988ea99760" id="r_ga2189bdff3dcb40f451d0aa988ea99760"><td class="memItemLeft" align="right" valign="top"><a id="ga2189bdff3dcb40f451d0aa988ea99760" name="ga2189bdff3dcb40f451d0aa988ea99760"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><b>watch_disable_i2c</b> (void)</td></tr>
<tr class="memdesc:ga2189bdff3dcb40f451d0aa988ea99760"><td class="mdescLeft">&#160;</td><td class="mdescRight">Disables the I2C peripheral. <br /></td></tr>
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<tr class="memitem:ga8b44030f78c30dd4026b349fc0c8cf08"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#ga8b44030f78c30dd4026b349fc0c8cf08">watch_i2c_send</a> (int16_t addr, uint8_t *buf, uint16_t length)</td></tr>
<tr class="memdesc:ga8b44030f78c30dd4026b349fc0c8cf08"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sends a series of values to a device on the I2C bus. <a href="group__i2c.html#ga8b44030f78c30dd4026b349fc0c8cf08">More...</a><br /></td></tr>
<tr class="memitem:ga8b44030f78c30dd4026b349fc0c8cf08" id="r_ga8b44030f78c30dd4026b349fc0c8cf08"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#ga8b44030f78c30dd4026b349fc0c8cf08">watch_i2c_send</a> (int16_t addr, uint8_t *buf, uint16_t length)</td></tr>
<tr class="memdesc:ga8b44030f78c30dd4026b349fc0c8cf08"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sends a series of values to a device on the I2C bus. <br /></td></tr>
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<tr class="memitem:ga426971387b87286c8decca7342c06b4b"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#ga426971387b87286c8decca7342c06b4b">watch_i2c_receive</a> (int16_t addr, uint8_t *buf, uint16_t length)</td></tr>
<tr class="memdesc:ga426971387b87286c8decca7342c06b4b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Receives a series of values from a device on the I2C bus. <a href="group__i2c.html#ga426971387b87286c8decca7342c06b4b">More...</a><br /></td></tr>
<tr class="memitem:ga426971387b87286c8decca7342c06b4b" id="r_ga426971387b87286c8decca7342c06b4b"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#ga426971387b87286c8decca7342c06b4b">watch_i2c_receive</a> (int16_t addr, uint8_t *buf, uint16_t length)</td></tr>
<tr class="memdesc:ga426971387b87286c8decca7342c06b4b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Receives a series of values from a device on the I2C bus. <br /></td></tr>
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<tr class="memitem:gaf0a4c78215cbd85ab557fc6c786eb6ad"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#gaf0a4c78215cbd85ab557fc6c786eb6ad">watch_i2c_write8</a> (int16_t addr, uint8_t reg, uint8_t data)</td></tr>
<tr class="memdesc:gaf0a4c78215cbd85ab557fc6c786eb6ad"><td class="mdescLeft">&#160;</td><td class="mdescRight">Writes a byte to a register in an I2C device. <a href="group__i2c.html#gaf0a4c78215cbd85ab557fc6c786eb6ad">More...</a><br /></td></tr>
<tr class="memitem:gaf0a4c78215cbd85ab557fc6c786eb6ad" id="r_gaf0a4c78215cbd85ab557fc6c786eb6ad"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#gaf0a4c78215cbd85ab557fc6c786eb6ad">watch_i2c_write8</a> (int16_t addr, uint8_t reg, uint8_t data)</td></tr>
<tr class="memdesc:gaf0a4c78215cbd85ab557fc6c786eb6ad"><td class="mdescLeft">&#160;</td><td class="mdescRight">Writes a byte to a register in an I2C device. <br /></td></tr>
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<tr class="memitem:gac5644140ddda98198f9d5deabbeaf781"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#gac5644140ddda98198f9d5deabbeaf781">watch_i2c_read8</a> (int16_t addr, uint8_t reg)</td></tr>
<tr class="memdesc:gac5644140ddda98198f9d5deabbeaf781"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads a byte from a register in an I2C device. <a href="group__i2c.html#gac5644140ddda98198f9d5deabbeaf781">More...</a><br /></td></tr>
<tr class="memitem:gac5644140ddda98198f9d5deabbeaf781" id="r_gac5644140ddda98198f9d5deabbeaf781"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#gac5644140ddda98198f9d5deabbeaf781">watch_i2c_read8</a> (int16_t addr, uint8_t reg)</td></tr>
<tr class="memdesc:gac5644140ddda98198f9d5deabbeaf781"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads a byte from a register in an I2C device. <br /></td></tr>
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<tr class="memitem:gaed749d3ca5e6e3aedcf1aefed3d7663e"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#gaed749d3ca5e6e3aedcf1aefed3d7663e">watch_i2c_read16</a> (int16_t addr, uint8_t reg)</td></tr>
<tr class="memdesc:gaed749d3ca5e6e3aedcf1aefed3d7663e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads an unsigned little-endian word from a register in an I2C device. <a href="group__i2c.html#gaed749d3ca5e6e3aedcf1aefed3d7663e">More...</a><br /></td></tr>
<tr class="memitem:gaed749d3ca5e6e3aedcf1aefed3d7663e" id="r_gaed749d3ca5e6e3aedcf1aefed3d7663e"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#gaed749d3ca5e6e3aedcf1aefed3d7663e">watch_i2c_read16</a> (int16_t addr, uint8_t reg)</td></tr>
<tr class="memdesc:gaed749d3ca5e6e3aedcf1aefed3d7663e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads an unsigned little-endian word from a register in an I2C device. <br /></td></tr>
<tr class="separator:gaed749d3ca5e6e3aedcf1aefed3d7663e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga6732b5655fdada88d083e4b4d05d1ca8"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#ga6732b5655fdada88d083e4b4d05d1ca8">watch_i2c_read24</a> (int16_t addr, uint8_t reg)</td></tr>
<tr class="memdesc:ga6732b5655fdada88d083e4b4d05d1ca8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads three bytes as an unsigned little-endian int from a register in an I2C device. <a href="group__i2c.html#ga6732b5655fdada88d083e4b4d05d1ca8">More...</a><br /></td></tr>
<tr class="memitem:ga6732b5655fdada88d083e4b4d05d1ca8" id="r_ga6732b5655fdada88d083e4b4d05d1ca8"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#ga6732b5655fdada88d083e4b4d05d1ca8">watch_i2c_read24</a> (int16_t addr, uint8_t reg)</td></tr>
<tr class="memdesc:ga6732b5655fdada88d083e4b4d05d1ca8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads three bytes as an unsigned little-endian int from a register in an I2C device. <br /></td></tr>
<tr class="separator:ga6732b5655fdada88d083e4b4d05d1ca8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga3d1c750d1b228b11333d10fc9647d651"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#ga3d1c750d1b228b11333d10fc9647d651">watch_i2c_read32</a> (int16_t addr, uint8_t reg)</td></tr>
<tr class="memdesc:ga3d1c750d1b228b11333d10fc9647d651"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads an unsigned little-endian int from a register in an I2C device. <a href="group__i2c.html#ga3d1c750d1b228b11333d10fc9647d651">More...</a><br /></td></tr>
<tr class="memitem:ga3d1c750d1b228b11333d10fc9647d651" id="r_ga3d1c750d1b228b11333d10fc9647d651"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__i2c.html#ga3d1c750d1b228b11333d10fc9647d651">watch_i2c_read32</a> (int16_t addr, uint8_t reg)</td></tr>
<tr class="memdesc:ga3d1c750d1b228b11333d10fc9647d651"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads an unsigned little-endian int from a register in an I2C device. <br /></td></tr>
<tr class="separator:ga3d1c750d1b228b11333d10fc9647d651"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p >This section covers functions related to the SAM L22's built-I2C driver, including configuring the I2C bus, putting values directly on the bus and reading data from registers on I2C devices. </p>
<p>This section covers functions related to the SAM L22's built-I2C driver, including configuring the I2C bus, putting values directly on the bus and reading data from registers on I2C devices. </p>
<h2 class="groupheader">Function Documentation</h2>
<a id="gaed749d3ca5e6e3aedcf1aefed3d7663e" name="gaed749d3ca5e6e3aedcf1aefed3d7663e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gaed749d3ca5e6e3aedcf1aefed3d7663e">&#9670;&#160;</a></span>watch_i2c_read16()</h2>
@@ -404,7 +404,7 @@ void&#160;</td><td class="memItemRight" valign="bottom"><b>watch_disable_i2c</b>
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