DoNck

// MAX17043 1-Cell Fuel Gauge
// APP for https://github.com/tomsuch/M5StackSAM
void appAccuMeter(){
  menuidx = 1;
  menulock = 0;
  menuDrawMenu(F("ACCU METER"),F(""),F("ESC"),F(""),sys_menucolor,sys_windowcolor,sys_menutextcolor);
  const int MAX17043ADDR=0x36;
  const int MAX17043CMDADDR=0xFE;
  const int MAX17043SOCADDR=0x04;
  const int MAX17043VCELLADDR=0x02;