battery monitor tx message

components/batt/Sconscript.py

@@ -0,0 +1,16 @@
+# ruff: noqa: F821
+
+Import('env')
+Import('envs')
+
+
+firmware, flash = env.SConscript(
+    'src/SConscript.py',
+    exports={'env': envs['esp32s3']},
+)
+
+component, name = env.Component(firmware, env.File('component.toml'))
+env.ComponentSubtarget(name, 'flash', flash)
+
+
+Return('component')

components/batt/component.toml

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+[metadata]
+name = 'batt'
+description = 'battery-monitor'

components/batt/src/batt.c

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+#include "batt.h"
+
+#include "firmware-base/state-machine.h"
+#include <ember_taskglue.h>
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
+#include <opencan_rx.h>
+#include <opencan_tx.h>
+
+#include <math.h>
+#include <string.h>
+
+// hypothetical battery percent data
+typedef struct {
+	uint8_t batteryPercent;
+} CAN_Message_BatteryStatus;
+
+static uint8_t batterypercent;
+
+static void batt_1Hz();
+
+// task scheduling
+ember_rate_funcs_S module_rf = {
+	.call_1Hz = batt_1Hz,
+};
+
+static void batt_1Hz()
+{
+	/*
+	Do I need any authorizationsfrom SUP? like
+	CANRX_is_message_battery_percent_data_Authorization_ok()
+	*/
+	batteryPercent = 0;
+}
+
+void CANTX_populate_BATT_BatteryPercentData(
+	struct CAN_Message_BatteryStatus * const m)
+{
+	m->batteryPercent = batteryPercent;
+}

components/batt/src/batt.h

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+#ifndef BATT_H
+#define BATT_H
+
+#endif	// BATT.H