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Handle return code from BMA driver, and set a flag is the initialization fails. This allows to boot InfiniTime even if the device cannot initialize.

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This commit is contained in:
Jean-François Milants 2021-04-02 16:56:14 +02:00
parent c7cc47ae30
commit 52a90288fd
7 changed files with 33 additions and 15 deletions
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23
src/drivers/Bma421.cpp
View file

@ -36,27 +36,27 @@ Bma421::Bma421(TwiMaster& twiMaster, uint8_t twiAddress) : twiMaster{twiMaster},
void Bma421::Init() {
auto ret = bma4_soft_reset(&bma);
ASSERT(ret == BMA4_OK);
if(ret != BMA4_OK) return;
nrf_delay_ms(1);
ret = bma423_init(&bma);
ASSERT(ret == BMA4_OK);
if(ret != BMA4_OK) return;
ret = bma423_write_config_file(&bma);
ASSERT(ret == BMA4_OK);
if(ret != BMA4_OK) return;
ret = bma4_set_interrupt_mode(BMA4_LATCH_MODE, &bma);
ASSERT(ret == BMA4_OK);
if(ret != BMA4_OK) return;
ret = bma423_feature_enable(BMA423_STEP_CNTR, 1, &bma);
ASSERT(ret == BMA4_OK);
if(ret != BMA4_OK) return;
ret = bma423_step_detector_enable(0, &bma);
ASSERT(ret == BMA4_OK);
if(ret != BMA4_OK) return;
ret = bma4_set_accel_enable(1, &bma);
ASSERT(ret == BMA4_OK);
if(ret != BMA4_OK) return;
struct bma4_accel_config accel_conf;
accel_conf.odr = BMA4_OUTPUT_DATA_RATE_100HZ;
@ -64,7 +64,9 @@ void Bma421::Init() {
accel_conf.bandwidth = BMA4_ACCEL_NORMAL_AVG4;
accel_conf.perf_mode = BMA4_CIC_AVG_MODE;
ret = bma4_set_accel_config(&accel_conf, &bma);
ASSERT(ret == BMA4_OK);
if(ret != BMA4_OK) return;
isOk = true;
}
void Bma421::Reset() {
@ -81,6 +83,7 @@ void Bma421::Write(uint8_t registerAddress, const uint8_t *data, size_t size) {
}
Bma421::Values Bma421::Process() {
if(not isOk) return {};
struct bma4_accel data;
bma4_read_accel_xyz(&data, &bma);
@ -99,4 +102,6 @@ Bma421::Values Bma421::Process() {
// X and Y axis are swapped because of the way the sensor is mounted in the PineTime
return {steps, data.y, data.x, data.z};
}
bool Bma421::IsOk() const {
return isOk;
}

5
src/drivers/Bma421.h
View file

@ -25,12 +25,13 @@ namespace Pinetime {
void Read(uint8_t registerAddress, uint8_t *buffer, size_t size);
void Write(uint8_t registerAddress, const uint8_t *data, size_t size);
bool IsOk() const;
private:
TwiMaster& twiMaster;
uint8_t deviceAddress = 0x18;
struct bma4_dev bma;
bool isOk = false;
};
}
}