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Increase the retry count while probing for I2C sensors. This will also unwedge stuck sensors.

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This commit is contained in:
px4dev
2012-08-25 10:53:14 -07:00
parent 4456ca8827
commit 0dc0a0539d
2 changed files with 8 additions and 5 deletions
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apps/drivers/hmc5883/hmc5883.cpp
+3 -1
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@@ -339,12 +339,14 @@ HMC5883::close_last(struct file *filp)
int
HMC5883::probe()
{
uint8_t data[3];
uint8_t data[3] = {0, 0, 0};
_retries = 3;
if (read_reg(ADDR_ID_A, data[0]) ||
read_reg(ADDR_ID_B, data[1]) ||
read_reg(ADDR_ID_C, data[2]))
debug("read_reg fail");
_retries = 1;
if ((data[0] != ID_A_WHO_AM_I) ||
(data[1] != ID_B_WHO_AM_I) ||