X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fdrivers%2Fao_adxl375.c;h=c95bf9e32bc02776c31b25aa2eec055d79080230;hb=a7d8a0f8b26bf62b63f12110d6d66a4f9da76eae;hp=e0d094f214b3a42a8f48a9f5cced8f0685f5debb;hpb=30e4e286eec31e69ad1e69a44cf00d4549a09f88;p=fw%2Faltos diff --git a/src/drivers/ao_adxl375.c b/src/drivers/ao_adxl375.c index e0d094f2..c95bf9e3 100644 --- a/src/drivers/ao_adxl375.c +++ b/src/drivers/ao_adxl375.c @@ -26,6 +26,8 @@ #define PRINTD(l,...) #endif +#define AO_ADXL375_SPI_SPEED ao_spi_speed(5000000) + struct ao_adxl375_sample ao_adxl375_current; static void @@ -98,20 +100,17 @@ struct ao_adxl375_total { int32_t z; }; -#define AO_ADXL375_SELF_TEST_SAMPLES 16 -#define AO_ADXL375_SELF_TEST_SETTLE 6 +#define AO_ADXL375_SELF_TEST_SAMPLES 10 +#define AO_ADXL375_SELF_TEST_SETTLE 4 #define MIN_LSB_G 18.4 #define MAX_LSB_G 22.6 -#define SELF_TEST_MIN_G 6.0 +#define SELF_TEST_MIN_G 5.0 #define SELF_TEST_MAX_G 6.8 #define MIN_SELF_TEST ((int32_t) (MIN_LSB_G * SELF_TEST_MIN_G * AO_ADXL375_SELF_TEST_SAMPLES + 0.5)) #define MAX_SELF_TEST ((int32_t) (MAX_LSB_G * SELF_TEST_MAX_G * AO_ADXL375_SELF_TEST_SAMPLES + 0.5)) -static const int32_t min_self_test = MIN_SELF_TEST; -static const int32_t max_self_test = MAX_SELF_TEST; - static void ao_adxl375_total_value(struct ao_adxl375_total *total, int samples) { @@ -146,7 +145,7 @@ ao_adxl375_setup(void) uint8_t devid = ao_adxl375_reg_read(AO_ADXL375_DEVID); if (devid != AO_ADXL375_DEVID_ID) - ao_sensor_errors = 1; + AO_SENSOR_ERROR(AO_DATA_ADXL375); /* Set the data rate */ ao_adxl375_reg_write(AO_ADXL375_BW_RATE, @@ -175,12 +174,8 @@ ao_adxl375_setup(void) (0 << AO_ADXL375_POWER_CTL_SLEEP) | (AO_ADXL375_POWER_CTL_WAKEUP_8 << AO_ADXL375_POWER_CTL_WAKEUP)); - (void) ao_adxl375_total_value; /* Perform self-test */ -#define AO_ADXL375_SELF_TEST_SAMPLES 16 -#define AO_ADXL375_SELF_TEST_SETTLE 6 - struct ao_adxl375_total self_test_off, self_test_on; /* Discard some samples to let it settle down */ @@ -210,22 +205,26 @@ ao_adxl375_setup(void) self_test_value = z_change; - if (z_change < min_self_test || max_self_test < z_change) - ao_sensor_errors = 1; + if (z_change < MIN_SELF_TEST) + AO_SENSOR_ERROR(AO_DATA_ADXL375); + + /* This check is commented out as maximum self test is unreliable + + if (z_change > MAX_SELF_TEST) + AO_SENSOR_ERROR(AO_DATA_ADXL375); + + */ /* Discard some samples to let it settle down */ ao_adxl375_total_value(&self_test_off, AO_ADXL375_SELF_TEST_SETTLE); } -static int adxl375_count; - static void ao_adxl375(void) { ao_adxl375_setup(); for (;;) { ao_adxl375_value(&ao_adxl375_current); - ++adxl375_count; ao_arch_critical( AO_DATA_PRESENT(AO_DATA_ADXL375); AO_DATA_WAIT(); @@ -238,14 +237,13 @@ static struct ao_task ao_adxl375_task; static void ao_adxl375_dump(void) { - printf ("ADXL375 value %d %d %d count %d self test %d min %d max %d\n", + printf ("ADXL375 value %d %d %d self test %ld min %ld max %ld\n", ao_adxl375_current.x, ao_adxl375_current.y, ao_adxl375_current.z, - adxl375_count, - self_test_value, - MIN_SELF_TEST, - MAX_SELF_TEST); + (long) self_test_value, + (long) MIN_SELF_TEST, + (long) MAX_SELF_TEST); } const struct ao_cmds ao_adxl375_cmds[] = {