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Callum and Adel's changes on 12/02/19
Dependencies: Crypto
Diff: main.cpp
- Revision:
- 30:fbae0e5f200d
- Parent:
- 29:c96439a60184
- Child:
- 31:b10ca6cf39bf
diff -r c96439a60184 -r fbae0e5f200d main.cpp --- a/main.cpp Mon Mar 18 15:37:20 2019 +0000 +++ b/main.cpp Mon Mar 18 16:24:55 2019 +0000 @@ -81,7 +81,6 @@ public: Thread t_comm_out; - Thread t_motor_ctrl; // Thread *p_motor_ctrl; bool _RUN; @@ -154,31 +153,6 @@ } - /*void commInFn() { - // if (_RUN) - - while (_RUN) { - osEvent newEvent = inCharQ.get(); - uint8_t newChar = (uint8_t)(newEvent.value.p); // size_t to type cast the 64bit pointer properly - pc.putc(newChar); - if(cmdIndx >= MAXCMDLENGTH){ //Make sure there is no overflow in comand. - cmdIndx = 0; - putMessage(error, 1); - } - else{ - if(newChar != '\r'){ //While the command is not over, - newCmd[cmdIndx] = newChar; //save input character and - cmdIndx++; //advance index - } - else{ - newCmd[cmdIndx] = '\0'; //When the command is finally over, - cmdIndx = 0; //reset index and - cmdParser(); //parse the command for decoding. - } - } - } - }*/ - void returnCursor() { pc.putc('>'); for (int i = 0; i < inCharQIdx; ++i) // reset cursor position @@ -265,19 +239,7 @@ } } - // attach_us -> runs funtion every 100ms - void motorCtrlFn() { - Ticker motorCtrlTicker; - motorCtrlTicker.attach_us(callback(this,&Comm::motorCtrlTick), 1e5); - while (1) { - t_motor_ctrl.signal_wait((int32_t)0x1); - pc.printf("B4115"); - } - } - void motorCtrlTick(){ - t_motor_ctrl.signal_set(0x1); - } //TODO: stop function, maybe use parent de-constructor @@ -289,8 +251,7 @@ Mutex newKey_mutex; // Restrict access to prevent deadlock. Comm() : pc(SERIAL_TX, SERIAL_RX), - t_comm_out(osPriorityAboveNormal, 1024), - t_motor_ctrl(osPriorityAboveNormal, 1024) + t_comm_out(osPriorityAboveNormal, 1024) { // inherit from the RawSerial constructor pc.printf("%s\n\r", "Welcome" ); @@ -370,7 +331,7 @@ // this::thread::wait() // wait(1.0); t_comm_out.start(callback(this, &Comm::commOutFn)); - t_motor_ctrl.start(callback(this, &Comm::motorCtrlFn)); + } @@ -381,38 +342,58 @@ -class Motor{ +class Motor { protected: - int8_t orState; //Rotot offset at motor state 0 - int8_t currentState; //Rotot offset at motor state 0 - int8_t stateList[6]; //Rotot offset at motor state 0 + const int8_t orState; //Rotor offset at motor state 0, motor specific + volatile int8_t currentState; //Current Rotor State + volatile int8_t stateList[6]; //All possible rotor states stored + + //Phase lead to make motor spin + int8_t lead; + + Comm* p_comm; + //Run the motor synchronisation - int8_t* params[2]; + float dutyC; // 1 = 100% + float mtrPeriod; // motor period + uint8_t stateCount[3]; // State Counter + uint8_t theStates[3]; // The Key states - float dutyC; // 1 = 100% - float mtrPeriod; // motor period - int stateCount; + Thread t_motor_ctrl; // Thread for motor Control public: - Motor(){ - - orState = motorHome();; //Rotot offset at motor state 0 - currentState = readRotorState();; //Rotot offset at motor state 0 - stateList[6]; //Rotot offset at motor state 0 - - motorOut((currentState-orState+lead+6)%6); // We push it digitally - - dutyC = 0.8; + Motor() : t_motor_ctrl(osPriorityAboveNormal, 1024) + { + // Set Power to maximum to drive motorHome() + dutyC = 1; mtrPeriod = 2e-3; // motor period + pwmCtrl.period(mtrPeriod); pwmCtrl.pulsewidth(mtrPeriod*dutyC); - params[0] = ¤tState; - params[1] = &orState; + orState = motorHome(); //Rotot offset at motor state 0 + currentState = readRotorState(); //Current Rotor State + // stateList[6] = {0,0,0, 0,0,0}; //All possible rotor states stored + + theStates[0] = orState; + theStates[1] = (orState + lead) % 6; + theStates[2] = (orState + (lead*2)) % 6; + lead = 2; //2 for forwards, -2 for backwards + + stateCount = 0; + + // p_comm = null; // null pointer for now + + } + + + void motorStart(Comm &comm) { + + // Establish Photointerrupter Service Routines (auto choose next state) I1.fall(callback(this, &Motor::stateUpdate)); I2.fall(callback(this, &Motor::stateUpdate)); I3.fall(callback(this, &Motor::stateUpdate)); @@ -420,16 +401,20 @@ I2.rise(callback(this, &Motor::stateUpdate)); I3.rise(callback(this, &Motor::stateUpdate)); + // push digitally so if motor is static it will start moving + motorOut((currentState-orState+lead+6)%6); // We push it digitally + + // Default a lower duty cylce + dutyC = 0.8; pwmCtrl.period(mtrPeriod); pwmCtrl.pulsewidth(mtrPeriod*dutyC); - - stateCount = 0; + // Start motor control thread + t_motor_ctrl.start(callback(this, &Comm::motorCtrlFn)); } - //Set a given drive state - void motorOut(int8_t driveState){ + void motorOut(int8_t driveState) { //Lookup the output byte from the drive state. int8_t driveOut = driveTable[driveState & 0x07]; @@ -452,7 +437,7 @@ } //Convert photointerrupter inputs to a rotor state - inline int8_t readRotorState(){ + inline int8_t readRotorState() { return stateMap[I1 + 2*I2 + 4*I3]; } @@ -468,25 +453,39 @@ void stateUpdate() { // () { // **params - *params[0] = readRotorState(); - int8_t currentState = *params[0]; - int8_t offset = *params[1]; + currentState = readRotorState(); - motorOut((currentState - offset + lead + 6) % 6); - - if (stateCount<6){ - stateList[stateCount] = currentState; - stateCount++; + // Store into state counter + switch (currentState) { + case 1: + stateCount[0]++; + break; + case (1 + lead): + stateCount[1]++; + break; + case (1 + (lead*2)): + stateCount[2]++; + break; } - else { - //pc.printf("states"); - //for(int i = 0; i < 6; ++i) - //pc.printf("%02i,", stateList[i]); - //pc.printf("\n\r"); - stateCount = 0; + // (Current - Offset + lead + 6) %6 + motorOut((currentState - orState + lead + 6) % 6); + + } + + + + // attach_us -> runs funtion every 100ms + void motorCtrlFn() { + Ticker motorCtrlTicker; + motorCtrlTicker.attach_us(callback(this,&Comm::motorCtrlTick), 1e5); + while (1) { + t_motor_ctrl.signal_wait((int32_t)0x1); + pc.printf("B4115"); } - - + } + + void motorCtrlTick(){ + t_motor_ctrl.signal_set(0x1); } };