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| author | px4dev <px4@purgatory.org> | 2013-01-23 18:57:16 -0800 |
|---|---|---|
| committer | px4dev <px4@purgatory.org> | 2013-01-23 18:57:16 -0800 |
| commit | d8a013f8720e81afb637b8206fbe521ccb43ac8f (patch) | |
| tree | 8d6218bc0ab4c05950944e4ac088b8575b291ac3 | |
| parent | b34311915a04e9ec4d301930e4342f285b5c6cb4 (diff) | |
| download | px4-firmware-d8a013f8720e81afb637b8206fbe521ccb43ac8f.tar.gz px4-firmware-d8a013f8720e81afb637b8206fbe521ccb43ac8f.tar.bz2 px4-firmware-d8a013f8720e81afb637b8206fbe521ccb43ac8f.zip | |
Tinkering.
| -rw-r--r-- | apps/systemcmds/i2c/i2c.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/apps/systemcmds/i2c/i2c.c b/apps/systemcmds/i2c/i2c.c index 422d9f915..e1babdc12 100644 --- a/apps/systemcmds/i2c/i2c.c +++ b/apps/systemcmds/i2c/i2c.c @@ -80,12 +80,13 @@ int i2c_main(int argc, char *argv[]) usleep(100000); - uint32_t val = 0x12345678; - int ret = transfer(PX4_I2C_OBDEV_PX4IO, (uint8_t *)&val, sizeof(val), NULL, 0); + uint8_t buf[] = { 0, 4}; + int ret = transfer(PX4_I2C_OBDEV_PX4IO, buf, sizeof(buf), NULL, 0); if (ret) errx(1, "send failed - %d", ret); + uint32_t val; ret = transfer(PX4_I2C_OBDEV_PX4IO, NULL, 0, (uint8_t *)&val, sizeof(val)); if (ret) errx(1, "recive failed - %d", ret); @@ -128,7 +129,7 @@ transfer(uint8_t address, uint8_t *send, unsigned send_len, uint8_t *recv, unsig * if there are any devices on the bus with a different frequency * preference. Really, this is pointless. */ - I2C_SETFREQUENCY(i2c, 320000); + I2C_SETFREQUENCY(i2c, 400000); ret = I2C_TRANSFER(i2c, &msgv[0], msgs); // reset the I2C bus to unwedge on error |