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Hack bus reset support into the old-style hmc5883 driver.

This commit is contained in:
px4dev 2012-08-22 22:26:09 -07:00
parent 0f74d08960
commit 92594ba76a
1 changed files with 7 additions and 0 deletions
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7
nuttx/configs/px4fmu/src/drv_hmc5833l.c
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@ -323,13 +323,20 @@ hmc5883l_ioctl(struct file *filp, int cmd, unsigned long arg)
return result;
}
extern int up_i2creset(FAR struct i2c_dev_s * dev);
int hmc5883l_reset()
{
int ret;
#if 1
ret = up_i2creset(hmc5883l_dev.i2c);
printf("HMC5883: BUS RESET %s\n", ret ? "FAIL" : "OK");
#else
printf("[hmc5883l drv] Resettet I2C2 BUS\n");
up_i2cuninitialize(hmc5883l_dev.i2c);
hmc5883l_dev.i2c = up_i2cinitialize(2);
I2C_SETFREQUENCY(hmc5883l_dev.i2c, 400000);
#endif
return ret;
}