38 lines
No EOL
1.1 KiB
C++
38 lines
No EOL
1.1 KiB
C++
#include <M5Unified.h>
|
|
static int32_t batteryLevel;
|
|
static int16_t batteryVoltage;
|
|
static int32_t oldBatteryLevel;
|
|
static int16_t oldBatteryVoltage;
|
|
void setup() {
|
|
// put your setup code here, to run once:
|
|
M5.begin();
|
|
M5.Display.setRotation(0);
|
|
M5.Display.setFont(&fonts::FreeMonoBold18pt7b);
|
|
M5.Display.setEpdMode(epd_text); // epd_quality, epd_text, epd_fast, epd_fastest
|
|
M5.Display.clear();
|
|
|
|
M5.Display.setCursor(0, 200);
|
|
M5.Display.println(" Paper Realtime");
|
|
M5.Display.println(" Battery Status\n\n");
|
|
M5.Display.println(" Battery Level:\n");
|
|
M5.Display.println(" Battery Voltage:\n");
|
|
batteryLevel = M5.Power.getBatteryLevel();
|
|
batteryVoltage = M5.Power.getBatteryVoltage();
|
|
oldBatteryLevel = -1;
|
|
oldBatteryVoltage = -1;
|
|
}
|
|
|
|
void loop() {
|
|
M5.update();
|
|
if (batteryLevel != oldBatteryLevel){
|
|
M5.Display.setCursor(360, 340);
|
|
M5.Display.printf(" %3d %%", batteryLevel);
|
|
}
|
|
if (batteryVoltage != oldBatteryVoltage) {
|
|
M5.Display.setCursor(360, 410);
|
|
M5.Display.printf("%4d mV", batteryVoltage);
|
|
}
|
|
oldBatteryLevel = batteryLevel;
|
|
oldBatteryVoltage = batteryVoltage;
|
|
delay(2000);
|
|
} |