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sensor: tmp007: fix read and use i2c_burst_read

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- Fix reading of temp. sensor
- Use i2c_burst_read instead of i2c_transfer

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif 2020-01-08 18:43:57 -05:00 • committed by Maureen Helm
commit ebaed210c7
1 changed files with 5 additions and 15 deletions
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20
drivers/sensor/tmp007/tmp007.c
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@ -18,22 +18,12 @@
LOG_MODULE_REGISTER(TMP007, CONFIG_SENSOR_LOG_LEVEL); LOG_MODULE_REGISTER(TMP007, CONFIG_SENSOR_LOG_LEVEL);
int tmp007_reg_read(struct tmp007_data *drv_data, u8_t reg, u16_t *val) int tmp007_reg_read(struct tmp007_data *drv_data,
u8_t reg, u16_t *val)
{ {
struct i2c_msg msgs[2] = { if (i2c_burst_read(drv_data->i2c, TMP007_I2C_ADDRESS,
{ reg, (u8_t *) val, 2) < 0) {
.buf = &reg, LOG_ERR("I2C read failed");
.len = 1,
.flags = I2C_MSG_WRITE | I2C_MSG_RESTART,
},
{
.buf = (u8_t *)val,
.len = 2,
.flags = I2C_MSG_READ | I2C_MSG_STOP,
},
};
if (i2c_transfer(drv_data->i2c, msgs, 2, TMP007_I2C_ADDRESS) < 0) {
return -EIO; return -EIO;
} }