CUER
/
charger_code
Code to run on the charger board (used to charge the car from the mains).
CANParserCharger.cpp@1:0c77e20b4d4c, 2017-07-06 (annotated)
- Committer:
- DasSidG
- Date:
- Thu Jul 06 21:27:26 2017 +0000
- Revision:
- 1:0c77e20b4d4c
- Child:
- 3:a7626dffb64a
Code majorly changed:; ; Structure changed significantly; All of the CAN-related functions, structures etc. added (but not yet tested); Still need to add some of the main program logic in terms of deciding when/when not to charge etc
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
DasSidG | 1:0c77e20b4d4c | 1 | // Here are the functions to generate the CAN messages |
DasSidG | 1:0c77e20b4d4c | 2 | #include "CANParserCharger.h" |
DasSidG | 1:0c77e20b4d4c | 3 | #include "mbed.h" |
DasSidG | 1:0c77e20b4d4c | 4 | #include "CAN_IDs.h" |
DasSidG | 1:0c77e20b4d4c | 5 | |
DasSidG | 1:0c77e20b4d4c | 6 | |
DasSidG | 1:0c77e20b4d4c | 7 | using namespace CAN_IDs; |
DasSidG | 1:0c77e20b4d4c | 8 | |
DasSidG | 1:0c77e20b4d4c | 9 | |
DasSidG | 1:0c77e20b4d4c | 10 | |
DasSidG | 1:0c77e20b4d4c | 11 | |
DasSidG | 1:0c77e20b4d4c | 12 | |
DasSidG | 1:0c77e20b4d4c | 13 | void get_charger_control_info(CANMessage msg, float &_voltage_error, float &_temp_margin, float &_discharge_error, float &_pack_capacity) { |
DasSidG | 1:0c77e20b4d4c | 14 | CAN_Data data; |
DasSidG | 1:0c77e20b4d4c | 15 | data.importCANData(msg); |
DasSidG | 1:0c77e20b4d4c | 16 | |
DasSidG | 1:0c77e20b4d4c | 17 | _voltage_error = data.get_u16(0)*1.0; |
DasSidG | 1:0c77e20b4d4c | 18 | _temp_margin = data.get_u16(1) /10.0; |
DasSidG | 1:0c77e20b4d4c | 19 | _discharge_error = data.get_u16(2)*1.0; |
DasSidG | 1:0c77e20b4d4c | 20 | _pack_capacity = data.get_u16(3)*1.0; |
DasSidG | 1:0c77e20b4d4c | 21 | } |
DasSidG | 1:0c77e20b4d4c | 22 | |
DasSidG | 1:0c77e20b4d4c | 23 | void get_max_min_voltage(CANMessage msg, float &_min_cell_voltage, float &_max_cell_voltage) { |
DasSidG | 1:0c77e20b4d4c | 24 | CAN_Data data; |
DasSidG | 1:0c77e20b4d4c | 25 | data.importCANData(msg); |
DasSidG | 1:0c77e20b4d4c | 26 | |
DasSidG | 1:0c77e20b4d4c | 27 | _min_cell_voltage = data.get_u16(0)*1.0; |
DasSidG | 1:0c77e20b4d4c | 28 | _max_cell_voltage = data.get_u16(1)*1.0; |
DasSidG | 1:0c77e20b4d4c | 29 | } |
DasSidG | 1:0c77e20b4d4c | 30 | |
DasSidG | 1:0c77e20b4d4c | 31 | void get_battery_status(CANMessage msg, bool &error) { //note using extended battery pack status |
DasSidG | 1:0c77e20b4d4c | 32 | CAN_Data data; |
DasSidG | 1:0c77e20b4d4c | 33 | data.importCANData(msg); |
DasSidG | 1:0c77e20b4d4c | 34 | |
DasSidG | 1:0c77e20b4d4c | 35 | error = data.getLower_uLong() > 0; |
DasSidG | 1:0c77e20b4d4c | 36 | //ignore the rest of the status as we don't care |
DasSidG | 1:0c77e20b4d4c | 37 | } |
DasSidG | 1:0c77e20b4d4c | 38 | |
DasSidG | 1:0c77e20b4d4c | 39 | void get_charger_VI_info(CANMessage msg, float &_charger_voltage, float &_charger_current, uint8_t &_charger_status) { |
DasSidG | 1:0c77e20b4d4c | 40 | CAN_Data data; |
DasSidG | 1:0c77e20b4d4c | 41 | data.importCANData(msg); |
DasSidG | 1:0c77e20b4d4c | 42 | |
DasSidG | 1:0c77e20b4d4c | 43 | _charger_voltage = data.get_u16(0)*100.0; |
DasSidG | 1:0c77e20b4d4c | 44 | _charger_current = data.get_u16(1)*100.0; |
DasSidG | 1:0c77e20b4d4c | 45 | _charger_status = data.get_u8(4); |
DasSidG | 1:0c77e20b4d4c | 46 | } |
DasSidG | 1:0c77e20b4d4c | 47 | |
DasSidG | 1:0c77e20b4d4c | 48 | CANMessage generate_charger_control_msg(float _desired_voltage, float _desired_current, uint8_t _charger_control) { |
DasSidG | 1:0c77e20b4d4c | 49 | CANMessage msg; |
DasSidG | 1:0c77e20b4d4c | 50 | msg.format = CANExtended; //the charger uses the extended CAN frame format |
DasSidG | 1:0c77e20b4d4c | 51 | msg.len = 8; |
DasSidG | 1:0c77e20b4d4c | 52 | msg.id = CHARGER_VI_CONTROL_ID; |
DasSidG | 1:0c77e20b4d4c | 53 | CAN_Data data; |
DasSidG | 1:0c77e20b4d4c | 54 | data.set_u16(0, (uint16_t) (_desired_voltage/100)); |
DasSidG | 1:0c77e20b4d4c | 55 | data.set_u16(1, (uint16_t) (_desired_current/100)); |
DasSidG | 1:0c77e20b4d4c | 56 | data.set_u8(4, _charger_control); |
DasSidG | 1:0c77e20b4d4c | 57 | data.set_u8(5,0); |
DasSidG | 1:0c77e20b4d4c | 58 | data.set_u8(6,0); |
DasSidG | 1:0c77e20b4d4c | 59 | data.set_u8(7,0); |
DasSidG | 1:0c77e20b4d4c | 60 | |
DasSidG | 1:0c77e20b4d4c | 61 | for(int i=0; i<8; i++) { |
DasSidG | 1:0c77e20b4d4c | 62 | msg.data[i] = data.get_u8(i); |
DasSidG | 1:0c77e20b4d4c | 63 | } |
DasSidG | 1:0c77e20b4d4c | 64 | |
DasSidG | 1:0c77e20b4d4c | 65 | return msg; |
DasSidG | 1:0c77e20b4d4c | 66 | } |
DasSidG | 1:0c77e20b4d4c | 67 | |
DasSidG | 1:0c77e20b4d4c | 68 | CANMessage generate_charger_info_msg(float _charger_voltage, float _charger_current, uint8_t _charger_status) { |
DasSidG | 1:0c77e20b4d4c | 69 | CANMessage msg; |
DasSidG | 1:0c77e20b4d4c | 70 | msg.len = 8; |
DasSidG | 1:0c77e20b4d4c | 71 | msg.id = CHARGER_ID; |
DasSidG | 1:0c77e20b4d4c | 72 | CAN_Data data; |
DasSidG | 1:0c77e20b4d4c | 73 | data.set_u16(0, (uint16_t) (_charger_voltage/100)); |
DasSidG | 1:0c77e20b4d4c | 74 | data.set_u16(1, (uint16_t) (_charger_current/100)); |
DasSidG | 1:0c77e20b4d4c | 75 | data.set_u8(4, _charger_status); |
DasSidG | 1:0c77e20b4d4c | 76 | data.set_u8(5,0); |
DasSidG | 1:0c77e20b4d4c | 77 | data.set_u8(6,0); |
DasSidG | 1:0c77e20b4d4c | 78 | data.set_u8(7,0); |
DasSidG | 1:0c77e20b4d4c | 79 | |
DasSidG | 1:0c77e20b4d4c | 80 | for(int i=0; i<8; i++) { |
DasSidG | 1:0c77e20b4d4c | 81 | msg.data[i] = data.get_u8(i); |
DasSidG | 1:0c77e20b4d4c | 82 | } |
DasSidG | 1:0c77e20b4d4c | 83 | |
DasSidG | 1:0c77e20b4d4c | 84 | return msg; |
DasSidG | 1:0c77e20b4d4c | 85 | } |