modules: Rename battery module to power module

The battery module has been renamed to the power module to better
reflect its purpose. The module is responsible for handling power
management, including battery monitoring and power consumption
optimization.

Signed-off-by: Simen S. Røstad <simen.rostad@nordicsemi.no>

Author: simensrostad

app/CMakeLists.txt

@@ -23,7 +23,7 @@ add_subdirectory(src/modules/fota)
 add_subdirectory(src/modules/button)
 
 # Optional modules
-add_subdirectory_ifdef(CONFIG_APP_BATTERY src/modules/battery)
+add_subdirectory_ifdef(CONFIG_APP_POWER src/modules/power)
 add_subdirectory_ifdef(CONFIG_APP_ENVIRONMENTAL src/modules/environmental)
 add_subdirectory_ifdef(CONFIG_APP_LED src/modules/led)
 add_subdirectory_ifdef(CONFIG_APP_SHELL src/modules/shell)

app/Kconfig

@@ -14,7 +14,7 @@ config APP_PAYLOAD_CHANNEL_BUFFER_MAX_SIZE
 	  Contains encoded CBOR data sampled and encoded in the various modules.
 
 rsource "src/Kconfig.main"
-rsource "src/modules/battery/Kconfig.battery"
+rsource "src/modules/power/Kconfig.power"
 rsource "src/modules/network/Kconfig.network"
 rsource "src/modules/cloud/Kconfig.cloud"
 rsource "src/modules/location/Kconfig.location"

app/boards/thingy91x_nrf9151_ns.conf

@@ -10,8 +10,8 @@ CONFIG_APP_ENVIRONMENTAL=y
 # Enable BME680
 CONFIG_BME680=y
 
-# Battery module
-CONFIG_APP_BATTERY=y
+# Power module
+CONFIG_APP_POWER=y
 
 # LED module
 CONFIG_APP_LED=y
@@ -48,5 +48,5 @@ CONFIG_LOCATION_METHOD_WIFI_SCANNING_RESULTS_MAX_CNT=10
 CONFIG_NRF_WIFI_SCAN_MAX_BSS_CNT=10
 
 # Debug logging
-CONFIG_APP_BATTERY_LOG_LEVEL_DBG=y
+CONFIG_APP_POWER_LOG_LEVEL_DBG=y
 CONFIG_APP_ENVIRONMENTAL_LOG_LEVEL_DBG=y

app/src/main.c

@@ -27,7 +27,7 @@
 #endif /* CONFIG_APP_ENVIRONMENTAL */
 
 #if defined(CONFIG_APP_BATTERY)
-#include "battery.h"
+#include "power.h"
 #endif /* CONFIG_APP_BATTERY */
 
 /* Register log module */
@@ -239,11 +239,11 @@ static void sensor_and_poll_triggers_send(void)
 #endif /* CONFIG_APP_REQUEST_NETWORK_QUALITY */
 
 #if defined(CONFIG_APP_BATTERY)
-	struct battery_msg battery_msg = {
-		.type = BATTERY_PERCENTAGE_SAMPLE_REQUEST,
+	struct power_msg power_msg = {
+		.type = POWER_BATTERY_PERCENTAGE_SAMPLE_REQUEST,
 	};
 
-	err = zbus_chan_pub(&BATTERY_CHAN, &battery_msg, K_SECONDS(1));
+	err = zbus_chan_pub(&POWER_CHAN, &power_msg, K_SECONDS(1));
 	if (err) {
 		LOG_ERR("zbus_chan_pub, error: %d", err);
 		SEND_FATAL_ERROR();
@@ -252,7 +252,7 @@ static void sensor_and_poll_triggers_send(void)
 #endif /* CONFIG_APP_BATTERY */
 
 #if defined(CONFIG_APP_ENVIRONMENTAL)
-	struct battery_msg environmental_msg = {
+	struct environmental_msg environmental_msg = {
 		.type = ENVIRONMENTAL_SENSOR_SAMPLE_REQUEST,
 	};
 

app/src/modules/cloud/cloud_module.c

@@ -23,7 +23,7 @@
 #include "network.h"
 
 #if defined(CONFIG_APP_BATTERY)
-#include "battery.h"
+#include "power.h"
 #endif /* CONFIG_APP_BATTERY */
 
 #if defined(CONFIG_APP_ENVIRONMENTAL)
@@ -37,7 +37,7 @@ LOG_MODULE_REGISTER(cloud, CONFIG_APP_CLOUD_LOG_LEVEL);
 #define CUSTOM_JSON_APPID_VAL_BATTERY "BATTERY"
 
 #if defined(CONFIG_APP_BATTERY)
-#define BAT_MSG_SIZE	sizeof(struct battery_msg)
+#define BAT_MSG_SIZE	sizeof(struct power_msg)
 #else
 #define BAT_MSG_SIZE	0
 #endif /* CONFIG_APP_BATTERY */
@@ -69,7 +69,7 @@ ZBUS_CHAN_ADD_OBS(ENVIRONMENTAL_CHAN, cloud, 0);
 #endif /* CONFIG_APP_ENVIRONMENTAL */
 
 #if defined(CONFIG_APP_BATTERY)
-ZBUS_CHAN_ADD_OBS(BATTERY_CHAN, cloud, 0);
+ZBUS_CHAN_ADD_OBS(POWER_CHAN, cloud, 0);
 #endif /* CONFIG_APP_BATTERY */
 
 /* Define channels provided by this module */
@@ -568,10 +568,10 @@ static void state_connected_ready_run(void *o)
 	}
 
 #if defined(CONFIG_APP_BATTERY)
-	if (state_object->chan == &BATTERY_CHAN) {
-		struct battery_msg msg = MSG_TO_BATTERY_MSG(state_object->msg_buf);
+	if (state_object->chan == &POWER_CHAN) {
+		struct power_msg msg = MSG_TO_POWER_MSG(state_object->msg_buf);
 
-		if (msg.type == BATTERY_PERCENTAGE_SAMPLE_RESPONSE) {
+		if (msg.type == POWER_BATTERY_PERCENTAGE_SAMPLE_RESPONSE) {
 			err = nrf_cloud_coap_sensor_send(CUSTOM_JSON_APPID_VAL_BATTERY,
 							 msg.percentage,
 							 NRF_CLOUD_NO_TIMESTAMP,

app/src/modules/battery/CMakeLists.txt app/src/modules/power/CMakeLists.txt

@@ -4,5 +4,5 @@
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 #
 
-target_sources(app PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/battery.c)
+target_sources(app PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/power.c)
 target_include_directories(app PRIVATE .)

app/src/modules/battery/Kconfig.battery app/src/modules/power/Kconfig.power

@@ -4,41 +4,41 @@
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 #
 
-menu "Battery"
+menu "Power"
 
-config APP_BATTERY
-	bool "Battery module"
+config APP_POWER
+	bool "Power module"
 
-if APP_BATTERY
+if APP_POWER
 
-config APP_BATTERY_THREAD_STACK_SIZE
+config APP_POWER_THREAD_STACK_SIZE
 	int "Thread stack size"
 	default 1536
 
-config APP_BATTERY_WATCHDOG_TIMEOUT_SECONDS
+config APP_POWER_WATCHDOG_TIMEOUT_SECONDS
 	int "Watchdog timeout"
 	default 120
 	help
-	  Timeout in seconds for the battery module watchdog.
+	  Timeout in seconds for the power module watchdog.
 	  The timeout given in this option covers both:
 	    * Waiting for an incoming message in zbus_sub_wait_msg().
 	    * Time spent processing the message, defined by
-	      CONFIG_APP_BATTERY_MSG_PROCESSING_TIMEOUT_SECONDS.
-	  Ensure that this value exceeds CONFIG_APP_BATTERY_MSG_PROCESSING_TIMEOUT_SECONDS.
+	      CONFIG_APP_POWER_MSG_PROCESSING_TIMEOUT_SECONDS.
+	  Ensure that this value exceeds CONFIG_APP_POWER_MSG_PROCESSING_TIMEOUT_SECONDS.
 	  A small difference between the two can mean more frequent watchdog feeds, which increases
 	  power consumption.
 
-config APP_BATTERY_MSG_PROCESSING_TIMEOUT_SECONDS
+config APP_POWER_MSG_PROCESSING_TIMEOUT_SECONDS
 	int "Maximum message processing time"
 	default 3
 	help
 	  Maximum time allowed for processing a single message in the module's state machine.
-	  The value must be smaller than CONFIG_APP_BATTERY_WATCHDOG_TIMEOUT_SECONDS.
+	  The value must be smaller than CONFIG_APP_POWER_WATCHDOG_TIMEOUT_SECONDS.
 
-module = APP_BATTERY
-module-str = Battery
+module = APP_POWER
+module-str = Power
 source "subsys/logging/Kconfig.template.log_config"
 
-endif # APP_BATTERY
+endif # APP_POWER
 
-endmenu # Battery
+endmenu # Power

app/src/modules/battery/lp803448_model.h app/src/modules/power/lp803448_model.h

@@ -18,30 +18,30 @@
 #include "lp803448_model.h"
 #include "message_channel.h"
 #include "modules_common.h"
-#include "battery.h"
+#include "power.h"
 
 /* Register log module */
-LOG_MODULE_REGISTER(battery, CONFIG_APP_BATTERY_LOG_LEVEL);
+LOG_MODULE_REGISTER(power, CONFIG_APP_POWER_LOG_LEVEL);
 
 /* Register subscriber */
-ZBUS_MSG_SUBSCRIBER_DEFINE(battery);
+ZBUS_MSG_SUBSCRIBER_DEFINE(power);
 
 /* Define channels provided by this module */
-ZBUS_CHAN_DEFINE(BATTERY_CHAN,
-		 struct battery_msg,
+ZBUS_CHAN_DEFINE(POWER_CHAN,
+		 struct power_msg,
 		 NULL,
 		 NULL,
 		 ZBUS_OBSERVERS_EMPTY,
 		 ZBUS_MSG_INIT(0)
 );
 
 /* Observe channels */
-ZBUS_CHAN_ADD_OBS(BATTERY_CHAN, battery, 0);
+ZBUS_CHAN_ADD_OBS(POWER_CHAN, power, 0);
 
-#define MAX_MSG_SIZE sizeof(struct battery_msg)
+#define MAX_MSG_SIZE sizeof(struct power_msg)
 
-BUILD_ASSERT(CONFIG_APP_BATTERY_WATCHDOG_TIMEOUT_SECONDS >
-	     CONFIG_APP_BATTERY_MSG_PROCESSING_TIMEOUT_SECONDS,
+BUILD_ASSERT(CONFIG_APP_POWER_WATCHDOG_TIMEOUT_SECONDS >
+	     CONFIG_APP_POWER_MSG_PROCESSING_TIMEOUT_SECONDS,
 	     "Watchdog timeout must be greater than maximum message processing time");
 
 /* nPM1300 register bitmasks */
@@ -63,16 +63,16 @@ static void sample(int64_t *ref_time);
 
 /* Defininig the module states.
  *
- * STATE_RUNNING: The battery module is initializing and waiting battery percentage to be requested.
+ * STATE_RUNNING: The power module is initializing and waiting battery percentage to be requested.
  */
-enum battery_module_state {
+enum power_module_state {
 	STATE_RUNNING,
 };
 
 /* User defined state object.
  * Used to transfer data between state changes.
  */
-struct battery_state {
+struct power_state {
 	/* This must be first */
 	struct smf_ctx ctx;
 
@@ -90,7 +90,7 @@ struct battery_state {
 static void state_running_entry(void *o);
 static void state_running_run(void *o);
 
-static struct battery_state battery_state_object;
+static struct power_state power_state_object;
 static const struct smf_state states[] = {
 	[STATE_RUNNING] =
 		SMF_CREATE_STATE(state_running_entry, state_running_run, NULL, NULL, NULL),
@@ -106,7 +106,7 @@ static void state_running_entry(void *o)
 		.model = &battery_model
 	};
 	int32_t chg_status;
-	struct battery_state *state_object = o;
+	struct power_state *state_object = o;
 
 	if (!device_is_ready(charger)) {
 		LOG_ERR("Charger device not ready.");
@@ -132,20 +132,20 @@ static void state_running_entry(void *o)
 
 	err = sensor_channel_get(charger, SENSOR_CHAN_GAUGE_DESIRED_CHARGING_CURRENT, &value);
 	if (err) {
-		LOG_ERR("sensor_channel_get(DESIRED_CHARGING_CURRENT), error: %d", err);
+		LOG_ERR("sensor_channel_get, DESIRED_CHARGING_CURRENT, error: %d", err);
 		SEND_FATAL_ERROR();
 		return;
 	}
 }
 
 static void state_running_run(void *o)
 {
-	struct battery_state *state_object = o;
+	struct power_state *state_object = o;
 
-	if (&BATTERY_CHAN == state_object->chan) {
-		struct battery_msg msg = MSG_TO_BATTERY_MSG(state_object->msg_buf);
+	if (&POWER_CHAN == state_object->chan) {
+		struct power_msg msg = MSG_TO_POWER_MSG(state_object->msg_buf);
 
-		if (msg.type == BATTERY_PERCENTAGE_SAMPLE_REQUEST) {
+		if (msg.type == POWER_BATTERY_PERCENTAGE_SAMPLE_REQUEST) {
 			LOG_DBG("Battery percentage sample request received, getting battery data");
 			sample(&state_object->fuel_gauge_ref_time);
 		}
@@ -209,12 +209,12 @@ static void sample(int64_t *ref_time)
 	LOG_DBG("State of charge: %f", (double)roundf(state_of_charge));
 	LOG_DBG("The battery is %s", charging ? "charging" : "not charging");
 
-	struct battery_msg msg = {
-		.type = BATTERY_PERCENTAGE_SAMPLE_RESPONSE,
+	struct power_msg msg = {
+		.type = POWER_BATTERY_PERCENTAGE_SAMPLE_RESPONSE,
 		.percentage = (double)roundf(state_of_charge)
 	};
 
-	err = zbus_chan_pub(&BATTERY_CHAN, &msg, K_NO_WAIT);
+	err = zbus_chan_pub(&POWER_CHAN, &msg, K_NO_WAIT);
 	if (err) {
 		LOG_ERR("zbus_chan_pub, error: %d", err);
 		SEND_FATAL_ERROR();
@@ -230,21 +230,21 @@ static void task_wdt_callback(int channel_id, void *user_data)
 	SEND_FATAL_ERROR_WATCHDOG_TIMEOUT();
 }
 
-static void battery_task(void)
+static void power_task(void)
 {
 	int err;
 	int task_wdt_id;
 	const uint32_t wdt_timeout_ms =
-		(CONFIG_APP_BATTERY_WATCHDOG_TIMEOUT_SECONDS * MSEC_PER_SEC);
+		(CONFIG_APP_POWER_WATCHDOG_TIMEOUT_SECONDS * MSEC_PER_SEC);
 	const uint32_t execution_time_ms =
-		(CONFIG_APP_BATTERY_MSG_PROCESSING_TIMEOUT_SECONDS * MSEC_PER_SEC);
+		(CONFIG_APP_POWER_MSG_PROCESSING_TIMEOUT_SECONDS * MSEC_PER_SEC);
 	const k_timeout_t zbus_wait_ms = K_MSEC(wdt_timeout_ms - execution_time_ms);
 
-	LOG_DBG("Battery module task started");
+	LOG_DBG("Power module task started");
 
 	task_wdt_id = task_wdt_add(wdt_timeout_ms, task_wdt_callback, (void *)k_current_get());
 
-	STATE_SET_INITIAL(battery_state_object, STATE_RUNNING);
+	STATE_SET_INITIAL(power_state_object, STATE_RUNNING);
 
 	while (true) {
 		err = task_wdt_feed(task_wdt_id);
@@ -254,9 +254,9 @@ static void battery_task(void)
 			return;
 		}
 
-		err = zbus_sub_wait_msg(&battery,
-					&battery_state_object.chan,
-					battery_state_object.msg_buf,
+		err = zbus_sub_wait_msg(&power,
+					&power_state_object.chan,
+					power_state_object.msg_buf,
 					zbus_wait_ms);
 		if (err == -ENOMSG) {
 			continue;
@@ -266,7 +266,7 @@ static void battery_task(void)
 			return;
 		}
 
-		err = STATE_RUN(battery_state_object);
+		err = STATE_RUN(power_state_object);
 		if (err) {
 			LOG_ERR("handle_message, error: %d", err);
 			SEND_FATAL_ERROR();
@@ -275,6 +275,6 @@ static void battery_task(void)
 	}
 }
 
-K_THREAD_DEFINE(battery_task_id,
-		CONFIG_APP_BATTERY_THREAD_STACK_SIZE,
-		battery_task, NULL, NULL, NULL, K_LOWEST_APPLICATION_THREAD_PRIO, 0, 0);
+K_THREAD_DEFINE(power_task_id,
+		CONFIG_APP_POWER_THREAD_STACK_SIZE,
+		power_task, NULL, NULL, NULL, K_LOWEST_APPLICATION_THREAD_PRIO, 0, 0);