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drivers: sensor: lsm6dsv16x: support SENSOR_TRIG_DELTA trigger

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The enables the SENSOR_TRIG_DELTA trigger using the wakeup interrupt
feature of the sensor.

Signed-off-by: Corey Wharton <xodus7@cwharton.com>
This commit is contained in:
Corey Wharton 2025-02-06 22:21:54 -08:00 • committed by Benjamin Cabé
commit 557eb478ef
2 changed files with 72 additions and 4 deletions
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4
drivers/sensor/st/lsm6dsv16x/lsm6dsv16x.h
View file

@ -174,8 +174,8 @@ struct lsm6dsv16x_data {
const struct sensor_trigger *trig_drdy_acc;
sensor_trigger_handler_t handler_drdy_gyr;
const struct sensor_trigger *trig_drdy_gyr;
sensor_trigger_handler_t handler_drdy_temp;
const struct sensor_trigger *trig_drdy_temp;
sensor_trigger_handler_t handler_wakeup;
const struct sensor_trigger *trig_wakeup;
#if defined(CONFIG_LSM6DSV16X_TRIGGER_OWN_THREAD)
K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_LSM6DSV16X_THREAD_STACK_SIZE);

72
drivers/sensor/st/lsm6dsv16x/lsm6dsv16x_trigger.c
View file

@ -112,6 +112,53 @@ static int lsm6dsv16x_enable_g_int(const struct device *dev, int enable)
return ret;
}
/**
* lsm6dsv16x_enable_wake_int - Enable selected int pin to generate wakeup interrupt
*/
static int lsm6dsv16x_enable_wake_int(const struct device *dev, int enable)
{
const struct lsm6dsv16x_config *cfg = dev->config;
stmdev_ctx_t *ctx = (stmdev_ctx_t *)&cfg->ctx;
int ret;
lsm6dsv16x_interrupt_mode_t int_mode;
int_mode.enable = enable ? 1 : 0;
int_mode.lir = !cfg->drdy_pulsed;
ret = lsm6dsv16x_interrupt_enable_set(ctx, int_mode);
if (ret < 0) {
LOG_ERR("interrupt_enable_set error");
return ret;
}
if ((cfg->drdy_pin == 1) || ON_I3C_BUS(cfg)) {
lsm6dsv16x_pin_int_route_t val;
ret = lsm6dsv16x_pin_int1_route_get(ctx, &val);
if (ret < 0) {
LOG_ERR("pint_int1_route_get error");
return ret;
}
val.wakeup = enable ? 1 : 0;
ret = lsm6dsv16x_pin_int1_route_set(ctx, &val);
} else {
lsm6dsv16x_pin_int_route_t val;
ret = lsm6dsv16x_pin_int2_route_get(ctx, &val);
if (ret < 0) {
LOG_ERR("pint_int2_route_get error");
return ret;
}
val.wakeup = enable ? 1 : 0;
ret = lsm6dsv16x_pin_int2_route_set(ctx, &val);
}
return ret;
}
/**
* lsm6dsv16x_trigger_set - link external trigger to event data ready
*/
@ -156,7 +203,18 @@ int lsm6dsv16x_trigger_set(const struct device *dev,
lsm6dsv16x_enable_g_int(dev, LSM6DSV16X_DIS_BIT);
}
}
break;
case SENSOR_TRIG_DELTA:
if (trig->chan != SENSOR_CHAN_ACCEL_XYZ) {
return -ENOTSUP;
}
lsm6dsv16x->handler_wakeup = handler;
lsm6dsv16x->trig_wakeup = trig;
if (handler) {
lsm6dsv16x_enable_wake_int(dev, LSM6DSV16X_EN_BIT);
} else {
lsm6dsv16x_enable_wake_int(dev, LSM6DSV16X_DIS_BIT);
}
break;
default:
ret = -ENOTSUP;
@ -178,6 +236,7 @@ static void lsm6dsv16x_handle_interrupt(const struct device *dev)
const struct lsm6dsv16x_config *cfg = dev->config;
stmdev_ctx_t *ctx = (stmdev_ctx_t *)&cfg->ctx;
lsm6dsv16x_data_ready_t status;
lsm6dsv16x_all_int_src_t all_int_src;
int ret;
while (1) {
@ -194,7 +253,13 @@ static void lsm6dsv16x_handle_interrupt(const struct device *dev)
return;
}
if (((status.drdy_xl == 0) && (status.drdy_gy == 0)) ||
ret = lsm6dsv16x_read_reg(ctx, LSM6DSV16X_ALL_INT_SRC, (uint8_t *)&all_int_src, 1);
if (ret < 0) {
LOG_DBG("failed reading all_int_src reg");
return;
}
if (((status.drdy_xl == 0) && (status.drdy_gy == 0) && (all_int_src.wu_ia == 0)) ||
IS_ENABLED(CONFIG_LSM6DSV16X_STREAM)) {
break;
}
@ -207,6 +272,9 @@ static void lsm6dsv16x_handle_interrupt(const struct device *dev)
lsm6dsv16x->handler_drdy_gyr(dev, lsm6dsv16x->trig_drdy_gyr);
}
if ((all_int_src.wu_ia) && lsm6dsv16x->handler_wakeup != NULL) {
lsm6dsv16x->handler_wakeup(dev, lsm6dsv16x->trig_wakeup);
}
}
if (!ON_I3C_BUS(cfg) || (I3C_INT_PIN(cfg))) {