- Initial commit

jakkra · Oct 7, 2023 · e5394c8 · e5394c8
1 parent 930dfc3
commit e5394c8
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diff --git a/app/boards/arm/zswatch_nrf5340/zswatch_nrf5340_cpuapp_3.overlay b/app/boards/arm/zswatch_nrf5340/zswatch_nrf5340_cpuapp_3.overlay
@@ -79,6 +79,11 @@
         int1-gpios = <&gpio0 21 GPIO_ACTIVE_HIGH>;
         int2-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
     };
+
+    apds9306: apds9306@52 {
+        compatible = "avago,apds9306";
+        reg = <0x52>;
+    };
 };
 
 &spi4  {

diff --git a/app/drivers/CMakeLists.txt b/app/drivers/CMakeLists.txt
@@ -1,2 +1,3 @@
 add_subdirectory(display)
 add_subdirectory(input)
+add_subdirectory(sensor/apds9306)
diff --git a/app/drivers/sensor/apds9306/CMakeLists.txt b/app/drivers/sensor/apds9306/CMakeLists.txt
@@ -0,0 +1,9 @@
+# Copyright (c) 2023, Daniel Kampert
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+# TODO: Doesn´t work with CMakeList.txt of the drivers directory -> Check it
+#zephyr_library()
+
+zephyr_library_sources(apds9306.c)
diff --git a/app/drivers/sensor/apds9306/Kconfig b/app/drivers/sensor/apds9306/Kconfig
@@ -0,0 +1,12 @@
+# APDS-9306 light sensor configuration options.
+
+# Copyright (c) 2023, Daniel Kampert
+#
+# SPDX-License-Identifier: Apache-2.0
+
+config APDS9306
+	bool "APDS9306 light sensor"
+	default y
+	select I2C
+	help
+	  Enable the driver for the APDS9306 digital light sensor.
diff --git a/app/drivers/sensor/apds9306/apds9306.c b/app/drivers/sensor/apds9306/apds9306.c
@@ -0,0 +1,136 @@
+/* apds9306.c - Driver for Avago APDS-9306 light sensor. */
+
+/*
+ * Copyright (c) 2023, Daniel Kampert
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#define DT_DRV_COMPAT avago_apds9306
+
+#include <zephyr/device.h>
+#include <zephyr/devicetree.h>
+#include <zephyr/drivers/i2c.h>
+#include <zephyr/drivers/sensor.h>
+#include <zephyr/drivers/gpio.h>
+#include <zephyr/pm/device.h>
+#include <zephyr/pm/device_runtime.h>
+#include <zephyr/logging/log.h>
+
+//LOG_MODULE_REGISTER(apds9306, CONFIG_SENSOR_LOG_LEVEL);
+LOG_MODULE_REGISTER(apds9306, LOG_LEVEL_INF);
+
+#if(DT_NUM_INST_STATUS_OKAY(DT_DRV_COMPAT) == 0)
+    #warning "apds9306 driver enabled without any devices"
+#endif
+
+struct apds9306_data_t {
+	int16_t light;
+};
+
+struct apds9306_config_t {
+	struct i2c_dt_spec i2c;
+};								
+
+static int apds9306_sample_fetch(const struct device* p_Dev, enum sensor_channel Channel)
+{
+	struct apds9306_data *data = p_Dev->data;
+	const struct apds9306_config_t *cfg = p_Dev->config;
+	enum pm_device_state pm_state;
+	int ret;
+
+	(void)pm_device_state_get(p_Dev, &pm_state);
+	if(pm_state != PM_DEVICE_STATE_ACTIVE)
+    {
+		ret = -EIO;
+		return ret;
+	}
+
+	switch(Channel)
+    {
+        case SENSOR_CHAN_ALL:
+        case SENSOR_CHAN_LIGHT:
+        {
+            //ret = lm75_fetch_temp(cfg, data);
+            break;
+        }
+        default:
+        {
+            ret = -ENOTSUP;
+            break;
+        }
+	}
+
+	return ret;
+}
+
+static int apds9306_channel_get(const struct device* p_Dev, enum sensor_channel Channel, struct sensor_value* p_Value)
+{
+	struct apds9306_data *data = p_Dev->data;
+
+	switch(Channel)
+    {
+        case SENSOR_CHAN_LIGHT:
+        {
+            return 0;
+        }
+        default:
+        {
+            return -ENOTSUP;
+        }
+	}
+}
+
+static const struct sensor_driver_api apds9306_driver_api = {
+	.sample_fetch = apds9306_sample_fetch,
+	.channel_get = apds9306_channel_get,
+};
+
+static int apds9306_init(const struct device* p_Dev)
+{
+	int ret = 0;
+
+    LOG_INF("Init driver");
+
+	return ret;
+}
+
+#ifdef CONFIG_PM_DEVICE
+    static int apds9306_pm_action(const struct device* p_Dev, enum pm_device_action Action)
+    {
+        switch(Action)
+        {
+            case PM_DEVICE_ACTION_TURN_ON:
+            case PM_DEVICE_ACTION_RESUME:
+            case PM_DEVICE_ACTION_TURN_OFF:
+            case PM_DEVICE_ACTION_SUSPEND:
+            {
+                break;
+            }
+            default:
+            {
+                return -ENOTSUP;
+            }
+        }
+
+        return 0;
+    }
+#endif
+
+#define APDS9306_INIT(inst)							                    \
+	static struct apds9306_data_t apds9306_data_##inst;				    \
+									                                    \
+	static const struct apds9306_config_t apds9306_config_##inst = {    \
+		.i2c = I2C_DT_SPEC_INST_GET(inst),				                \
+	};								                                    \
+									                                    \
+	PM_DEVICE_DT_INST_DEFINE(inst, apds9306_pm_action);                 \
+									                                    \
+	SENSOR_DEVICE_DT_INST_DEFINE(inst, apds9306_init,			        \
+			      PM_DEVICE_DT_INST_GET(inst),			                \
+			      &apds9306_data_##inst,				                \
+			      &apds9306_config_##inst, POST_KERNEL,		            \
+			      CONFIG_SENSOR_INIT_PRIORITY,		                    \
+			      &apds9306_driver_api);
+
+DT_INST_FOREACH_STATUS_OKAY(APDS9306_INIT)