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drivers: sensor: Added timeout for apds9960 sampling

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Timeout occurs if status register does not register an interrupt

Signed-off-by: Thomas Lang <thomaslang2003@me.com>
This commit is contained in:
Thomas Lang 2025-04-23 16:44:08 -05:00 committed by Benjamin Cabé
parent f38beeafba
commit 1a8b8f4220
2 changed files with 11 additions and 0 deletions
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10
drivers/sensor/apds9960/apds9960.c
View File

@ -54,6 +54,9 @@ static int apds9960_sample_fetch(const struct device *dev,
const struct apds9960_config *config = dev->config;
struct apds9960_data *data = dev->data;
uint8_t tmp;
#ifdef CONFIG_APDS9960_FETCH_MODE_POLL
int64_t start_time;
#endif
if (chan != SENSOR_CHAN_ALL) {
LOG_ERR("Unsupported sensor channel");
@ -84,12 +87,16 @@ static int apds9960_sample_fetch(const struct device *dev,
}
#ifdef CONFIG_APDS9960_FETCH_MODE_POLL
start_time = k_uptime_get();
#ifdef CONFIG_APDS9960_ENABLE_ALS
while (!(tmp & APDS9960_STATUS_AINT)) {
k_sleep(K_MSEC(APDS9960_DEFAULT_WAIT_TIME));
if (i2c_reg_read_byte_dt(&config->i2c, APDS9960_STATUS_REG, &tmp)) {
return -EIO;
}
if ((k_uptime_get() - start_time) > APDS9960_MAX_WAIT_TIME) {
return -ETIMEDOUT;
}
}
#else
while (!(tmp & APDS9960_STATUS_PINT)) {
@ -97,6 +104,9 @@ static int apds9960_sample_fetch(const struct device *dev,
if (i2c_reg_read_byte_dt(&config->i2c, APDS9960_STATUS_REG, &tmp)) {
return -EIO;
}
if ((k_uptime_get() - start_time) > APDS9960_MAX_WAIT_TIME) {
return -ETIMEDOUT;
}
}
#endif
#endif

1
drivers/sensor/apds9960/apds9960.h
View File

@ -214,6 +214,7 @@
/* Polling Wait Times (ms) */
#define APDS9960_DEFAULT_WAIT_TIME 2.78
#define APDS9960_MAX_WAIT_TIME 10000
struct apds9960_config {
struct i2c_dt_spec i2c;