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| author | px4dev <px4@purgatory.org> | 2013-01-14 00:18:05 -0800 |
|---|---|---|
| committer | px4dev <px4@purgatory.org> | 2013-01-14 00:18:05 -0800 |
| commit | 6e291ddedc8b2d7bfeae8029a37df0b581262796 (patch) | |
| tree | 0b28019942cd153efd710799be0528783f70bc70 /apps/drivers/device/i2c.h | |
| parent | 4e38615595abd9d27d0cb000caafb98cc3670abe (diff) | |
| download | px4-firmware-6e291ddedc8b2d7bfeae8029a37df0b581262796.tar.gz px4-firmware-6e291ddedc8b2d7bfeae8029a37df0b581262796.tar.bz2 px4-firmware-6e291ddedc8b2d7bfeae8029a37df0b581262796.zip | |
Add a mechanism for sending multi-part messages to the I2C driver base class.
Diffstat (limited to 'apps/drivers/device/i2c.h')
| -rw-r--r-- | apps/drivers/device/i2c.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/apps/drivers/device/i2c.h b/apps/drivers/device/i2c.h index 4d630b8a8..66c34dd7c 100644 --- a/apps/drivers/device/i2c.h +++ b/apps/drivers/device/i2c.h @@ -101,6 +101,16 @@ protected: uint8_t *recv, unsigned recv_len); /** + * Perform a multi-part I2C transaction to the device. + * + * @param msgv An I2C message vector. + * @param msgs The number of entries in the message vector. + * @return OK if the transfer was successful, -errno + * otherwise. + */ + int transfer(i2c_msg_s *msgv, unsigned msgs); + + /** * Change the bus address. * * Most often useful during probe() when the driver is testing |