M5 battery monitor improved (read IP5306 chip)

include/power.h

@@ -36,28 +36,40 @@ void AXP192_showstatus(void);
 
 #endif // HAS_PMU
 
+#ifdef HAS_IP5306
+void printIP5306Stats(void);
+uint8_t IP5306_GetPowerSource(void);
+uint8_t IP5306_GetBatteryLevel(void);
+uint8_t IP5306_GetBatteryFull(void);
+#endif
+
 // The following map functions were taken from
 //
 // Battery.h - Battery library
 // Copyright (c) 2014 Roberto Lo Giacco
 // https://github.com/rlogiacco/BatterySense
- 
+
 /**
  * Symmetric sigmoidal approximation
  * https://www.desmos.com/calculator/7m9lu26vpy
  *
  * c - c / (1 + k*x/v)^3
  */
-static inline uint8_t sigmoidal(uint16_t voltage, uint16_t minVoltage, uint16_t maxVoltage) {
-	// slow
-	// uint8_t result = 110 - (110 / (1 + pow(1.468 * (voltage - minVoltage)/(maxVoltage - minVoltage), 6)));
+static inline uint8_t sigmoidal(uint16_t voltage, uint16_t minVoltage,
+                                uint16_t maxVoltage) {
+  // slow
+  // uint8_t result = 110 - (110 / (1 + pow(1.468 * (voltage -
+  // minVoltage)/(maxVoltage - minVoltage), 6)));
 
-	// steep
-	// uint8_t result = 102 - (102 / (1 + pow(1.621 * (voltage - minVoltage)/(maxVoltage - minVoltage), 8.1)));
+  // steep
+  // uint8_t result = 102 - (102 / (1 + pow(1.621 * (voltage -
+  // minVoltage)/(maxVoltage - minVoltage), 8.1)));
 
-	// normal
-	uint8_t result = 105 - (105 / (1 + pow(1.724 * (voltage - minVoltage)/(maxVoltage - minVoltage), 5.5)));
-	return result >= 100 ? 100 : result;
+  // normal
+  uint8_t result = 105 - (105 / (1 + pow(1.724 * (voltage - minVoltage) /
+                                             (maxVoltage - minVoltage),
+                                         5.5)));
+  return result >= 100 ? 100 : result;
 }
 
 /**
@@ -66,9 +78,13 @@ static inline uint8_t sigmoidal(uint16_t voltage, uint16_t minVoltage, uint16_t
  *
  * c - c / [1 + (k*x/v)^4.5]^3
  */
-static inline uint8_t asigmoidal(uint16_t voltage, uint16_t minVoltage, uint16_t maxVoltage) {
-	uint8_t result = 101 - (101 / pow(1 + pow(1.33 * (voltage - minVoltage)/(maxVoltage - minVoltage) ,4.5), 3));
-	return result >= 100 ? 100 : result;
+static inline uint8_t asigmoidal(uint16_t voltage, uint16_t minVoltage,
+                                 uint16_t maxVoltage) {
+  uint8_t result = 101 - (101 / pow(1 + pow(1.33 * (voltage - minVoltage) /
+                                                (maxVoltage - minVoltage),
+                                            4.5),
+                                    3));
+  return result >= 100 ? 100 : result;
 }
 
 /**
@@ -77,8 +93,10 @@ static inline uint8_t asigmoidal(uint16_t voltage, uint16_t minVoltage, uint16_t
  *
  * x * 100 / v
  */
-static inline uint8_t linear(uint16_t voltage, uint16_t minVoltage, uint16_t maxVoltage) {
-	return (unsigned long)(voltage - minVoltage) * 100 / (maxVoltage - minVoltage);
+static inline uint8_t linear(uint16_t voltage, uint16_t minVoltage,
+                             uint16_t maxVoltage) {
+  return (unsigned long)(voltage - minVoltage) * 100 /
+         (maxVoltage - minVoltage);
 }
 
 uint8_t read_battlevel(mapFn_t mapFunction = &sigmoidal);