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Better filter for max ic (#2201)

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* fix unk

* next try
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Totoo 2024-07-18 11:55:11 +02:00 committed by GitHub
parent e11c28cf30
commit ae6724b359
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1 changed files with 9 additions and 10 deletions
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19
firmware/common/max17055.cpp
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@ -82,15 +82,8 @@ bool MAX17055::detect() {
// Get Data from IC // Get Data from IC
if (readMultipleRegister(0x00, _MAX17055_Data, 2, false)) { if (readMultipleRegister(0x00, _MAX17055_Data, 2, false)) {
if (_MAX17055_Data[0] != 0x02) { detected_ = true;
// validate result, since i2c gives a bit of power to the ic, and sometimes it sets the init value. return true;
// this will return false when the ic is in init state (0x0002), but on the next iteration it'll give the good value
if (detected_ == false) {
detected_ = true;
init();
}
return true;
}
} }
detected_ = false; detected_ = false;
return false; return false;
@ -162,9 +155,15 @@ bool MAX17055::writeMultipleRegister(uint8_t reg, const uint8_t* data, uint8_t l
} }
void MAX17055::getBatteryInfo(uint8_t& valid_mask, uint8_t& batteryPercentage, uint16_t& voltage, int32_t& current) { void MAX17055::getBatteryInfo(uint8_t& valid_mask, uint8_t& batteryPercentage, uint16_t& voltage, int32_t& current) {
detect(); // need to detect again, since user can disconnect the ic anytime, and that could send garbage causing flickering data.
if (detected_) { if (detected_) {
uint16_t status = 0;
// Read Status Register
readMultipleRegister(0x00, (uint8_t*)&status, 2, false);
voltage = averageVoltage(); voltage = averageVoltage();
if ((status == 0 && voltage == 0) || (status == 0x0002 && voltage == 3600) || (status == 0x0002 && voltage == 0)) {
valid_mask = 0;
return;
}
batteryPercentage = stateOfCharge(); batteryPercentage = stateOfCharge();
current = instantCurrent(); current = instantCurrent();
valid_mask = 3; // BATT_VALID_VOLTAGE + CURRENT valid_mask = 3; // BATT_VALID_VOLTAGE + CURRENT