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Merge pull request #43 from DTFUHF/betaflight-no-i2c-target-fix 

Prevent startup crash on targets without any I2C sensors
This commit is contained in:
borisbstyle 2015-11-27 15:54:41 +01:00
parent 449999d3d7 baa01cb914
commit 2492601727
1 changed files with 4 additions and 0 deletions
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4
src/main/drivers/accgyro_mpu.c
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@ -83,7 +83,11 @@ mpuDetectionResult_t *detectMpu(const extiConfig_t *configToUse)
// MPU datasheet specifies 30ms. // MPU datasheet specifies 30ms.
delay(35); delay(35);
#ifndef USE_I2C
ack = false;
#else
ack = mpuReadRegisterI2C(MPU_RA_WHO_AM_I, 1, &sig); ack = mpuReadRegisterI2C(MPU_RA_WHO_AM_I, 1, &sig);
#endif
if (ack) { if (ack) {
mpuConfiguration.read = mpuReadRegisterI2C; mpuConfiguration.read = mpuReadRegisterI2C;
mpuConfiguration.write = mpuWriteRegisterI2C; mpuConfiguration.write = mpuWriteRegisterI2C;