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Merged
merged 1 commit into from
Nov 14, 2025
Merged

Build with COMPILE_MP2762A_CHARGER commented out #786

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18 changes: 1 addition & 17 deletions Firmware/RTK_Everywhere/Begin.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -1481,24 +1481,8 @@ void beginCharger()
{
// Set pre-charge defaults for the MP2762A
// See issue: https://github.com/sparkfun/SparkFun_RTK_Everywhere_Firmware/issues/240
if (mp2762Begin(i2c_0) == true)
{
// Resetting registers to defaults
mp2762registerReset();

// Setting FastCharge to 6.6V
mp2762setFastChargeVoltageMv(6600);

// Setting precharge current to 880mA
mp2762setPrechargeCurrentMa(880);

systemPrintln("Charger configuration complete");
online.batteryCharger_mp2762a = true;
}
else
{
if (mp2762Begin(i2c_0, 6600, 880) == false)
systemPrintln("MP2762A charger failed to initialize");
}
}
}

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11 changes: 11 additions & 0 deletions Firmware/RTK_Everywhere/Developer.ino
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Expand Up @@ -248,6 +248,17 @@ void tiltRequestStop() {}

#endif // COMPILE_IM19_IMU

//----------------------------------------
// MP2762A Charger
//----------------------------------------

#ifndef COMPILE_MP2762A_CHARGER
bool mp2762Begin(TwoWire *i2cBus, uint16_t volts, uint16_t milliamps) {return false;}
uint16_t mp2762getBatteryVoltageMv() {return 0;}
uint8_t mp2762getChargeStatus() {return 0;}
void mp2762resetSafetyTimer() {}
#endif // COMPILE_MP2762A_CHARGER

//----------------------------------------
// UM980
//----------------------------------------
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18 changes: 17 additions & 1 deletion Firmware/RTK_Everywhere/MP2762A_Charger.ino
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Expand Up @@ -2,6 +2,8 @@
Helper functions for the MP2762A Charger controller
*/

#ifdef COMPILE_MP2762A_CHARGER

const uint8_t mp2762deviceAddress = 0x5C;

#define MP2762A_PRECHARGE_CURRENT 0x03
Expand All @@ -19,11 +21,23 @@ const uint8_t mp2762deviceAddress = 0x5C;
TwoWire *mp2762I2c = nullptr;

// Returns true if device acknowledges its address
bool mp2762Begin(TwoWire *i2cBus)
bool mp2762Begin(TwoWire *i2cBus, uint16_t volts, uint16_t milliamps)
{
if (i2cIsDevicePresent(i2cBus, mp2762deviceAddress) == false)
return (false);
mp2762I2c = i2cBus;

// Resetting registers to defaults
mp2762registerReset();

// Setting FastCharge voltage
mp2762setFastChargeVoltageMv(volts);

// Setting precharge current
mp2762setPrechargeCurrentMa(milliamps);

systemPrintln("Charger configuration complete");
online.batteryCharger_mp2762a = true;
return (true);
}

Expand Down Expand Up @@ -225,3 +239,5 @@ bool mp2762writeRegister(uint8_t address, uint8_t value)
}
return (true);
}

#endif // COMPILE_MP2762A_CHARGER
1 change: 1 addition & 0 deletions Firmware/RTK_Everywhere/RTK_Everywhere.ino
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Expand Up @@ -110,6 +110,7 @@
#define COMPILE_IM19_IMU // Comment out to remove IM19_IMU functionality
#define COMPILE_POINTPERFECT_LIBRARY // Comment out to remove PPL support
#define COMPILE_BQ40Z50 // Comment out to remove BQ40Z50 functionality
#define COMPILE_MP2762A_CHARGER // Comment out to remove MP2762A charger functionality

#if defined(COMPILE_WIFI) || defined(COMPILE_ETHERNET) || defined(COMPILE_CELLULAR)
#define COMPILE_NETWORK
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5 changes: 5 additions & 0 deletions Firmware/RTK_Everywhere/check.sh
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Expand Up @@ -95,6 +95,11 @@ sed -i 's|#define COMPILE_IM19_IMU|//#define COMPILE_IM19_IMU|' RTK_Everywhere.i
make
git reset --hard --quiet HEAD

# MP2762A Charger
sed -i 's|#define COMPILE_MP2762A_CHARGER|//#define COMPILE_MP2762A_CHARGER|' RTK_Everywhere.ino
make
git reset --hard --quiet HEAD

# PointPerfect Library
sed -i 's|#define COMPILE_POINTPERFECT_LIBRARY|//#define COMPILE_POINTPERFECT_LIBRARY|' RTK_Everywhere.ino
make
Expand Down