drivers: sensor: lis2dw12: add interrupt status fetch

INT status can be fetched if the feature can't trigger via interrupt Signed-off-by: Andrew Sonzogni <[email protected]>
zephyrproject-rtos · Oct 3, 2024 · 44d101a · 44d101a
1 parent 70de35d
commit 44d101a
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diff --git a/drivers/sensor/st/lis2dw12/lis2dw12.c b/drivers/sensor/st/lis2dw12/lis2dw12.c
@@ -135,6 +135,18 @@ static inline void lis2dw12_channel_get_acc(const struct device *dev,
 	}
 }
 
+static inline void lis2dw12_channel_get_status(const struct device *dev,
+					     struct sensor_value *val)
+{
+	const struct lis2dw12_device_config *cfg = dev->config;
+	stmdev_ctx_t *ctx = (stmdev_ctx_t *)&cfg->ctx;
+	lis2dw12_status_t status;
+
+	/* fetch manually the interrupt status reg */
+	lis2dw12_status_reg_get(ctx, &status);
+	val->val1 = (int32_t)*(uint8_t *)&status;
+}
+
 static int lis2dw12_channel_get(const struct device *dev,
 				 enum sensor_channel chan,
 				 struct sensor_value *val)
@@ -149,6 +161,9 @@ static int lis2dw12_channel_get(const struct device *dev,
 	case SENSOR_CHAN_DIE_TEMP:
 		lis2dw12_channel_get_temp(dev, val);
 		return 0;
+	case SENSOR_CHAN_LIS2DW12_INT_STATUS:
+		lis2dw12_channel_get_status(dev, val);
+		return 0;
 	default:
 		LOG_DBG("Channel not supported");
 		break;

diff --git a/drivers/sensor/st/lis2dw12/lis2dw12.h b/drivers/sensor/st/lis2dw12/lis2dw12.h
@@ -163,4 +163,9 @@ int lis2dw12_trigger_set(const struct device *dev,
 			  sensor_trigger_handler_t handler);
 #endif /* CONFIG_LIS2DW12_TRIGGER */
 
+/* LIS2DW12 specific channels */
+enum sensor_channel_lis2dw12 {
+	SENSOR_CHAN_LIS2DW12_INT_STATUS = SENSOR_CHAN_PRIV_START,
+};
+
 #endif /* ZEPHYR_DRIVERS_SENSOR_LIS2DW12_LIS2DW12_H_ */