CUER
/
charger_code
Code to run on the charger board (used to charge the car from the mains).
charger.h
- Committer:
- DasSidG
- Date:
- 2017-07-27
- Revision:
- 3:a7626dffb64a
- Parent:
- 1:0c77e20b4d4c
- Child:
- 5:756fae795d37
File content as of revision 3:a7626dffb64a:
#ifndef CHARGER_H #define CHARGER_H #include "mbed.h" #define MAX_VOLTAGE 155000.0 #define MAX_CURRENT 10000.0 #define RISING_BALANCE_THRESHOLD 154000.0 //DUMMY VALUE FOR NOW, THINK ABOUT THE ACTUAL VALUE #define KI_CHARGE 2500.0 #define KI_BALANCE 600.0 #define TIME_STEP 500 #define TEMP_RAMP_START -5.0 #define TEMP_RAMP_FINISH -1.5 #define CHARGER_MSG_TIMEOUT_MS 6000 #define BMS_MSG_TIMEOUT_MS 2000 #define CAN_BUFFER_SIZE 255 //Setting this to be quite large, should be equal to max # of ids expected to receive // CAN pins #define CAR_CAN_WRITE_PIN p29 #define CAR_CAN_READ_PIN p30 #define CHARGER_CAN_WRITE_PIN p10 #define CHARGER_CAN_READ_PIN p9 DigitalOut green_led(p21); //charging LED DigitalOut yellow_led(p22); //timeout LED DigitalOut red_led(p23); //error LED void calculate_current(float voltage_error, float temp_margin, float *current, float *voltage); uint8_t charger_status; //status packet given by charger, see Elcon CAN Specification in google drive bool comms_timeout; bool charger_failure; bool charge_finished; bool bms_error; float voltage_error=0; //mV, this is the rising balance threshold minus the max cell voltage, need to try and bring this to 0 float temp_margin = 0; //degrees C, this is the max cell temperature minus max cell temperature limit, need to avoid this hitting 0 float discharge_error; //mV, not currently used float pack_capacity; //Ah, not currently used float min_cell_voltage; //mV float max_cell_voltage;//mV float charger_current; //mA float charger_voltage; //mV float desired_current = 0; //mA float desired_voltage = MAX_VOLTAGE; //mV uint8_t charger_control = 1; //0 or 1, 0 means start charging, 1 means stop charging #endif