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i2c: add api call to read byte from a specified register

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Signed-off-by: Anton Krasovsky <anton@no-mad.net>
Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
This commit is contained in:
Anton Krasovsky
2014-10-30 23:25:10 +00:00
committed by Thomas Ingleby
parent c852685975
commit cbf4c7447f
3 changed files with 28 additions and 0 deletions
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9
api/mraa/i2c.h
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@@ -95,6 +95,15 @@ int mraa_i2c_read(mraa_i2c_context dev, uint8_t *data, int length);
*/
uint8_t mraa_i2c_read_byte(mraa_i2c_context dev);
/**
* Read a single byte from i2c context, from designated register
*
* @param dev The i2c context
* @param command The register
* @return The result of the read or -1 if failed
*/
uint8_t mraa_i2c_read_byte_data(mraa_i2c_context dev, uint8_t command);
/**
* Write to an i2c context
*