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Code Issues Wiki Activity

Restore zero i2c addr when detect failed

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This commit is contained in:
jflyper 2017-08-14 00:00:07 +09:00
parent f00b885799
commit c5f488ed07
3 changed files with 25 additions and 4 deletions
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7
src/main/drivers/barometer/barometer_bmp085.c
View file

@ -169,6 +169,8 @@ bool bmp085Detect(const bmp085Config_t *config, baroDev_t *baro)
{
uint8_t data;
bool ack;
bool defaultAddressApplied = false;
#if defined(BARO_EOC_GPIO)
IO_t eocIO = IO_NONE;
#endif
@ -200,6 +202,7 @@ bool bmp085Detect(const bmp085Config_t *config, baroDev_t *baro)
if ((busdev->bustype == BUSTYPE_I2C) && (busdev->busdev_u.i2c.address == 0)) {
// Default address for BMP085
busdev->busdev_u.i2c.address = BMP085_I2C_ADDR;
defaultAddressApplied = true;
}
ack = bmp085ReadRegister(busdev, BMP085_CHIP_ID__REG, 1, &data); /* read Chip Id */
@ -234,6 +237,10 @@ bool bmp085Detect(const bmp085Config_t *config, baroDev_t *baro)
BMP085_OFF;
if (defaultAddressApplied) {
busdev->busdev_u.i2c.address = 0;
}
return false;
}

5
src/main/drivers/barometer/barometer_bmp280.c
View file

@ -127,18 +127,23 @@ bool bmp280Detect(baroDev_t *baro)
delay(20);
busDevice_t *busdev = &baro->busdev;
bool defaultAddressApplied = false;
bmp280BusInit(busdev);
if ((busdev->bustype == BUSTYPE_I2C) && (busdev->busdev_u.i2c.address == 0)) {
// Default address for BMP280
busdev->busdev_u.i2c.address = BMP280_I2C_ADDR;
defaultAddressApplied = true;
}
bmp280ReadRegister(busdev, BMP280_CHIP_ID_REG, 1, &bmp280_chip_id); /* read Chip Id */
if (bmp280_chip_id != BMP280_DEFAULT_CHIP_ID) {
bmp280BusDeinit(busdev);
if (defaultAddressApplied) {
busdev->busdev_u.i2c.address = 0;
}
return false;
}

17
src/main/drivers/barometer/barometer_ms5611.c
View file

@ -122,6 +122,7 @@ bool ms5611Detect(baroDev_t *baro)
{
uint8_t sig;
int i;
bool defaultAddressApplied = false;
delay(10); // No idea how long the chip takes to power-up, but let's make it 10ms
@ -132,11 +133,11 @@ bool ms5611Detect(baroDev_t *baro)
if ((busdev->bustype == BUSTYPE_I2C) && (busdev->busdev_u.i2c.address == 0)) {
// Default address for MS5611
busdev->busdev_u.i2c.address = MS5611_I2C_ADDR;
defaultAddressApplied = true;
}
if (!ms5611ReadCommand(busdev, CMD_PROM_RD, 1, &sig) || sig == 0xFF) {
ms5611BusDeinit(busdev);
return false;
goto fail;
}
ms5611_reset(busdev);
@ -147,8 +148,7 @@ bool ms5611Detect(baroDev_t *baro)
// check crc, bail out if wrong - we are probably talking to BMP085 w/o XCLR line!
if (ms5611_crc(ms5611_c) != 0) {
ms5611BusDeinit(busdev);
return false;
goto fail;
}
// TODO prom + CRC
@ -161,6 +161,15 @@ bool ms5611Detect(baroDev_t *baro)
baro->calculate = ms5611_calculate;
return true;
fail:;
ms5611BusDeinit(busdev);
if (defaultAddressApplied) {
busdev->busdev_u.i2c.address = 0;
}
return false;
}
static void ms5611_reset(busDevice_t *busdev)