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Add all cellvoltages to monitoring

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Daniel 2024-02-02 21:54:08 +02:00
parent 82379dd691
commit c04d4af3df
2 changed files with 22 additions and 5 deletions
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16
Software/src/battery/TESLA-MODEL-3-BATTERY.cpp
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@ -451,6 +451,22 @@ void receive_can_tesla_model_3_battery(CAN_frame_t rx_frame) {
min_temp = (rx_frame.data.u8[3] * 5) - 400; //Multiply by 5 and remove offset to get C+1 (0x61*5=485-400=8.5*C)
}
break;
case 0x401: // Cell stats
mux = (rx_frame.data.u8[0]);
static uint16_t volts;
if (rx_frame.data.u8[1] == 0x2A) // status byte must be 0x2A to read cellvoltages
{
// Example, frame3=0x89,frame2=0x1D = 35101 / 10 = 3510mV
volts = ((rx_frame.data.u8[3] << 8) | rx_frame.data.u8[2]) / 10;
cellvoltages[1 + mux * 3] = volts;
volts = ((rx_frame.data.u8[5] << 8) | rx_frame.data.u8[4]) / 10;
cellvoltages[2 + mux * 3] = volts;
volts = ((rx_frame.data.u8[7] << 8) | rx_frame.data.u8[6]) / 10;
cellvoltages[3 + mux * 3] = volts;
}
break;
case 0x2d2:
//Min / max limits
min_voltage = ((rx_frame.data.u8[1] << 8) | rx_frame.data.u8[0]) * 0.01 * 2; //Example 24148mv * 0.01 = 241.48 V

1
Software/src/battery/TESLA-MODEL-3-BATTERY.h
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@ -28,6 +28,7 @@ extern uint16_t temperature_min; //C+1, Goes thru convert2unsignedint16 funct
extern uint16_t temperature_max; //C+1, Goes thru convert2unsignedint16 function (15.0C = 150, -15.0C = 65385)
extern uint16_t cell_max_voltage; //mV, 0-4350
extern uint16_t cell_min_voltage; //mV, 0-4350
extern uint16_t cellvoltages[120]; //mV 0-5000 per cell
extern uint8_t LEDcolor; //Enum, 0-10
extern bool batteryAllowsContactorClosing; //Bool, 1=true, 0=false
extern bool inverterAllowsContactorClosing; //Bool, 1=true, 0=false