A Roboteq controller c++ interface to allow a Brushless motor control on a CAN bus. Used for a FBL2360 reference.
Dependencies: CAN_FIFO_Triporteur
Diff: RoboteqController.cpp
- Revision:
- 3:a03c91082856
- Parent:
- 2:d61b4a989cab
- Child:
- 4:1ee0a235c997
diff -r d61b4a989cab -r a03c91082856 RoboteqController.cpp --- a/RoboteqController.cpp Thu May 17 14:26:20 2018 +0000 +++ b/RoboteqController.cpp Fri May 18 09:32:45 2018 +0000 @@ -1,14 +1,25 @@ #include "RoboteqController.h" +const uint16_t RoboteqController::RPDO_ID[4] = {0x200, 0x300, 0x400, 0x500}; // RPDO msg IDs to send data to the controller + RoboteqController::RoboteqController(){ } -RoboteqController::RoboteqController(ControllerCAN* controller, uint8_t node_id, uint8_t mot_num) : +RoboteqController::RoboteqController(ControllerCAN* controller, uint8_t node_id, uint8_t mot_num, bool TPDO_enabled) : PeripheralCAN(controller), node_id(node_id), mot_num(mot_num), - Id_CSS_REQ(SDO_REQUEST+node_id), Id_CSS_ANS(SDO_ANSWER+node_id) { + Id_CSS_REQ(SDO_REQUEST+node_id), Id_CSS_ANS(SDO_ANSWER+node_id), + Id_TPDO1(ID_TPDO1+node_id),Id_TPDO2(ID_TPDO2+node_id), Id_TPDO3(ID_TPDO3+node_id), Id_TPDO4(ID_TPDO4+node_id) { PeripheralCAN::addIdRead(&Id_CSS_REQ); PeripheralCAN::addIdRead(&Id_CSS_ANS); + + // If TPDO is enabled, make TPDO message readable + if(TPDO_enabled){ + PeripheralCAN::addIdRead(&Id_TPDO1); + PeripheralCAN::addIdRead(&Id_TPDO2); + PeripheralCAN::addIdRead(&Id_TPDO3); + PeripheralCAN::addIdRead(&Id_TPDO4); + } } RoboteqController::~RoboteqController(){} @@ -23,12 +34,24 @@ switch(SDOmsg.index){ case qBS: // Brushless speed in rpm - rotor_speed = (int16_t) (SDOmsg.data[1] << 8) + SDOmsg.data[0]; + speed = (int16_t) (SDOmsg.data[1] << 8) + SDOmsg.data[0]; break; //case //.. } } + else if (Id == Id_TPDO1){ + TPDO_receive(1, msg); + } + else if (Id == Id_TPDO2){ + TPDO_receive(2, msg); + } + else if (Id == Id_TPDO3){ + TPDO_receive(3, msg); + } + else if (Id == Id_TPDO4){ + TPDO_receive(4, msg); + } } void RoboteqController::SDO_query(uint8_t n, uint16_t idx, uint8_t sub_idx){ @@ -73,3 +96,41 @@ SDOmsg.data[2] = CANmsg.data[6]; SDOmsg.data[3] = CANmsg.data[7]; } + +void RoboteqController::RPDO_send(uint8_t n, int32_t user_var1, int32_t user_var2){ + char buffer[8]; + + buffer[0] = user_var1; + buffer[1] = (user_var1 >> 8); + buffer[2] = (user_var1 >> 16); + buffer[3] = (user_var1 >> 24); + + buffer[4] = user_var2; + buffer[5] = (user_var2 >> 8); + buffer[6] = (user_var2 >> 16); + buffer[7] = (user_var2 >> 24); + + writeOnCAN(RPDO_ID[n-1] + node_id, buffer, 8); +} + +void RoboteqController::TPDO_parse(const CANMessage& CANmsg, int32_t &user_var1, int32_t &user_var2){ + user_var1 = CANmsg.data[0] + (CANmsg.data[1] << 8) + (CANmsg.data[2] << 16) + (CANmsg.data[3] << 24); + user_var2 = CANmsg.data[4] + (CANmsg.data[5] << 8) + (CANmsg.data[6] << 16) + (CANmsg.data[7] << 24); +} + +void RoboteqController::TPDO_receive(uint8_t n, const CANMessage& CANmsg){ + /* Nothing to do, use the following structure in a redefinition : + if (n == 1){ + // User defined section + } + else if (n == 2){ + // User defined section + } + else if (n == 3){ + // User defined section + } + else if (n == 4){ + // User defined section + } + */ +}