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Hard check the ID at Init #14

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Hard check the ID at Init #14

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15 changes: 15 additions & 0 deletions src/ISM330DHCXSensor.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,21 @@ ISM330DHCXSensor::ISM330DHCXSensor(SPIClass *spi, int cs_pin, uint32_t spi_speed
*/
ISM330DHCXStatusTypeDef ISM330DHCXSensor::Init()
{
/* Check sensor ID: this checks that we can communicate with the sensor */

uint8_t Id;

/* Get the Id; note this is not enough per se depending on the I2C implementation */
if (ReadID(&Id) != ISM330DHCX_OK) {
return ISM330DHCX_ERROR;
}

/* Check that we actually got back the right ID; this should return an error even if
the I2C implementation does not complain in case of no response. */
if (Id != ISM330DHCX_ID) {
return ISM330DHCX_ERROR;
}

/* SW reset */
if (ism330dhcx_reset_set(&(reg_ctx), PROPERTY_ENABLE) != ISM330DHCX_OK) {
return ISM330DHCX_ERROR;
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