epicardium.h still missing but getting there

epicardium/modules/buttons.c

@@ -15,10 +15,11 @@ static const uint8_t pin_mask[] = {
 	[BUTTON_RIGHT_BOTTOM] = 1 << 3,
 	[BUTTON_RIGHT_TOP]    = 1 << 6,
 };
-static uint8_t last;
-
+static uint8_t last = 0;
+static uint8_t memory = 0;
 static uint8_t display_wake_mask = 0xF;
-static Timer_Handle_t poll_timer;
+static uint8_t memory_mask = 0xF;
+static TimerHandle_t poll_timer;
 static StaticTimer_t poll_timer_buffer;
 
 uint8_t epic_buttons_read(uint8_t mask)
@@ -54,6 +55,9 @@ uint8_t epic_buttons_read(uint8_t mask)
 
 static void CALLBACK_buttons(){
 	last = epic_buttons_read(0xF);
+	if(last & memory_mask){
+		memory = last;
+	}
 	if(last & display_wake_mask){
 		epic_disp_wake();
 	}
@@ -77,6 +81,9 @@ void epic_buttons_set_display_wake_mask(uint8_t mask){
 }
 
 uint8_t epic_buttons_get(){
+	if (!poll_timer || !xTimerIsTimerActive(poll_timer)) {
+		return -ENODATA;
+	}
 	return last;
 }
 
@@ -84,3 +91,11 @@ void epic_buttons_stop(){
 	if (!poll_timer || xTimerIsTimerActive(poll_timer) == pdFALSE) { return; }
 	xTimerStop(poll_timer, 0);
 }
+
+void epic_buttons_reset_memory(){
+	memory = 0;
+}
+
+uint8_t epic_buttons_get_memory(){
+	return memory;
+}

epicardium/modules/meson.build

@@ -21,5 +21,6 @@ module_sources = files(
   'trng.c',
   'vibra.c',
   'watchdog.c',
-  'usb.c'
+  'usb.c',
+  'status.c'
 )

epicardium/modules/status.c

+#include "epicardium.h"
+#include "modules/modules.h"
+#include "modules/log.h"
+
+#include "portexpander.h"
+#include "MAX77650-Arduino-Library.h"
+#include "FreeRTOS.h"
+#include "timers.h"
+
+#include <stdint.h>
+#define POWERLED 10
+#define FREQ 100
+#define PULSEWIDTH 2
+#define PULSELENGTH 10
+
+static uint8_t status = 0; // 0: discharging, 1: below 3.8V, 2: below 3.6V, 254: charging, 255: full and connected to charger (or error) (yeah i know bad collision) (i'll fix this)
+static float bat_volt = 0;
+static float bat_cur = 0;
+static float char_volt = 0;
+static float char_cur = 0;
+static bool led_on = true;
+
+static TimerHandle_t poll_timer;
+static StaticTimer_t poll_timer_buffer;
+
+static void get_power_status(){
+	epic_read_battery_voltage(&bat_volt);
+	epic_read_battery_current(&bat_cur);
+	epic_read_chargein_voltage(&char_volt);
+	epic_read_chargein_current(&char_cur);
+
+	if(char_volt > 4){
+		if(char_cur > 0.1){
+			status = 254;
+		} else {
+			status = 255;
+		}
+	} else if(bat_volt>3.8){
+		status = 0;
+	} else if(bat_volt>3.6){
+		status = 1;
+	} else {
+		status = 2;
+	}
+}
+
+static void update_led(){
+	static uint8_t counter = 0;
+	switch(status){
+		case 0: 
+		case 1:
+			epic_leds_set(POWERLED,0,0,0);
+			return;
+		case 254: 
+			epic_leds_set(POWERLED,0,0,200);
+			return;
+		case 255: 
+			epic_leds_set(POWERLED,0,200,0);
+			return;
+		case 2: 
+			if(counter<PULSEWIDTH){
+				epic_leds_set(POWERLED,200,0,0);
+			} else {
+				epic_leds_set(POWERLED,0,0,0);
+			}	
+			counter++;
+			counter = counter % PULSELENGTH;
+		}
+}
+
+static void CALLBACK_led(){
+	get_power_status();
+	if(led_on){
+		update_led();
+	}
+}
+
+void epic_status_start(){
+	if(!poll_timer) {
+		poll_timer = xTimerCreateStatic(
+				"status_led",
+				FREQ,
+				pdTRUE,
+				NULL,
+				CALLBACK_led,
+				&poll_timer_buffer
+		);
+	}
+}
+
+uint8_t epic_status_get(){
+	if (!poll_timer || !xTimerIsTimerActive(poll_timer)) {
+		return -ENODATA;
+	}
+	return status;
+}
+
+void epic_status_stop(){
+	if (!poll_timer || xTimerIsTimerActive(poll_timer) == pdFALSE) { return; }
+	xTimerStop(poll_timer, 0);
+}
+
+void epic_status_led(bool onoff){
+	led_on = onoff;
+}