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Callum and Adel's changes on 12/02/19
Dependencies: Crypto
Diff: main.cpp
- Revision:
- 33:f1dc3b160eac
- Parent:
- 32:fc5e00d9f74d
- Child:
- 34:2c6f635cc8e7
diff -r fc5e00d9f74d -r f1dc3b160eac main.cpp --- a/main.cpp Mon Mar 18 18:04:29 2019 +0000 +++ b/main.cpp Mon Mar 18 18:10:10 2019 +0000 @@ -72,420 +72,416 @@ const int8_t stateMap[] = {0x07,0x05,0x03,0x04,0x01,0x00,0x02,0x07}; //const int8_t stateMap[] = {0x07,0x01,0x03,0x02,0x05,0x00,0x04,0x07}; //Alternative if phase order of input or drive is reversed -//Phase lead to make motor spin -const int8_t lead = 2; //2 for forwards, -2 for backwards - - -class Comm /*: public T_*/{ - -public: - - Thread t_comm_out; - // Thread *p_motor_ctrl; - - bool _RUN; - - RawSerial pc; - // Queue<void, 8> inCharQ; // Input Character Queue - - - static const char MsgChar[11]; - - uint8_t MAXCMDLENGTH; - - volatile uint8_t cmdIndx; - volatile uint8_t inCharQIdx; - - volatile uint32_t motorPower; // motor toque - volatile float targetVel; - volatile float targetRot; - - enum msgType {motorState, posIn, velIn, posOut, velOut, - - hashRate, keyAdded, nonceMatch, +class Comm{ - torque, rotations, - - error}; - - typedef struct { - msgType type; - uint32_t message; - } msg; - - Mail<msg, 32> mailStack; - - void serialISR(){ - if (pc.readable()) { - char newChar = pc.getc(); - // inCharQ.put((void*)newChar); // void* = pointer to an unknown type that cannot be dereferenced - - if (inCharQIdx == (MAXCMDLENGTH)) { - inCharQ[MAXCMDLENGTH] = '\0'; // force the string to have an end character - putMessage(error, 1); - inCharQIdx = 0; // reset buffer index - // pc.putc('\r'); // carriage return moves to the start of the line - // for (int i = 0; i < MAXCMDLENGTH; ++i) - // { - // inCharQ[i] = ' '; - // pc.putc(' '); - // } - - // pc.putc('\r'); // carriage return moves to the start of the line - } - else{ - if(newChar != '\r'){ //While the command is not over, - inCharQ[inCharQIdx] = newChar; //save input character and - inCharQIdx++; //advance index - pc.putc(newChar); + public: + + Thread t_comm_out; + // Thread *p_motor_ctrl; + + bool _RUN; + + RawSerial pc; + // Queue<void, 8> inCharQ; // Input Character Queue + + + static const char MsgChar[11]; + + uint8_t MAXCMDLENGTH; + + volatile uint8_t cmdIndx; + volatile uint8_t inCharQIdx; + + volatile uint32_t motorPower; // motor toque + volatile float targetVel; + volatile float targetRot; + + enum msgType {motorState, posIn, velIn, posOut, velOut, + + hashRate, keyAdded, nonceMatch, + + torque, rotations, + + error}; + + typedef struct { + msgType type; + uint32_t message; + } msg; + + Mail<msg, 32> mailStack; + + void serialISR(){ + if (pc.readable()) { + char newChar = pc.getc(); + // inCharQ.put((void*)newChar); // void* = pointer to an unknown type that cannot be dereferenced + + if (inCharQIdx == (MAXCMDLENGTH)) { + inCharQ[MAXCMDLENGTH] = '\0'; // force the string to have an end character + putMessage(error, 1); + inCharQIdx = 0; // reset buffer index + // pc.putc('\r'); // carriage return moves to the start of the line + // for (int i = 0; i < MAXCMDLENGTH; ++i) + // { + // inCharQ[i] = ' '; + // pc.putc(' '); + // } + + // pc.putc('\r'); // carriage return moves to the start of the line } else{ - inCharQ[inCharQIdx] = '\0'; //When the command is finally over, - strncpy(newCmd, inCharQ, MAXCMDLENGTH); // Will copy 18 characters from inCharQ to newCmd - cmdParser(); //parse the command for decoding. - for (int i = 0; i < MAXCMDLENGTH; ++i) // reset buffer - inCharQ[i] = ' '; - inCharQIdx = 0; // reset index + if(newChar != '\r'){ //While the command is not over, + inCharQ[inCharQIdx] = newChar; //save input character and + inCharQIdx++; //advance index + pc.putc(newChar); + } + else{ + inCharQ[inCharQIdx] = '\0'; //When the command is finally over, + strncpy(newCmd, inCharQ, MAXCMDLENGTH); // Will copy 18 characters from inCharQ to newCmd + cmdParser(); //parse the command for decoding. + for (int i = 0; i < MAXCMDLENGTH; ++i) // reset buffer + inCharQ[i] = ' '; + inCharQIdx = 0; // reset index + } } } + + + } + + void returnCursor() { + pc.putc('>'); + for (int i = 0; i < inCharQIdx; ++i) // reset cursor position + pc.putc(inCharQ[i]); + // for (int i = inCharQIdx; i < MAXCMDLENGTH; ++i) // fill remaining with blanks + // pc.putc(' '); + // pc.putc('<'); + } + + void cmdParser(){ + switch(newCmd[0]) { + case 'K': //(MsgChar[keyAdded]):// + newKey_mutex.lock(); //Ensure there is no deadlock + sscanf(newCmd, "K%x", &newKey); //Find desired the Key code + putMessage(keyAdded, newKey); //Print it out + newKey_mutex.unlock(); + break; + case 'V': //(MsgChar[velIn]):// + sscanf(newCmd, "V%f", &targetVel); //Find desired the target velocity + putMessage(velIn, targetVel); //Print it out + break; + case 'R': //(MsgChar[posIn]):// + sscanf(newCmd, "R%f", &targetRot); //Find desired target rotation + putMessage(posIn, targetRot); //Print it out + break; + case 'T': //(MsgChar[torque]):// + sscanf(newCmd, "T%d", &motorPower); //Find desired target torque + putMessage(torque, motorPower); //Print it out + break; + default: break; + } } - - - } - - void returnCursor() { - pc.putc('>'); - for (int i = 0; i < inCharQIdx; ++i) // reset cursor position - pc.putc(inCharQ[i]); - // for (int i = inCharQIdx; i < MAXCMDLENGTH; ++i) // fill remaining with blanks - // pc.putc(' '); - // pc.putc('<'); - } - - void cmdParser(){ - switch(newCmd[0]) { - case 'K': //(MsgChar[keyAdded]):// - newKey_mutex.lock(); //Ensure there is no deadlock - sscanf(newCmd, "K%x", &newKey); //Find desired the Key code - putMessage(keyAdded, newKey); //Print it out - newKey_mutex.unlock(); - break; - case 'V': //(MsgChar[velIn]):// - sscanf(newCmd, "V%f", &targetVel); //Find desired the target velocity - putMessage(velIn, targetVel); //Print it out - break; - case 'R': //(MsgChar[posIn]):// - sscanf(newCmd, "R%f", &targetRot); //Find desired target rotation - putMessage(posIn, targetRot); //Print it out - break; - case 'T': //(MsgChar[torque]):// - sscanf(newCmd, "T%d", &motorPower); //Find desired target torque - putMessage(torque, motorPower); //Print it out - break; - default: break; - } - } - - //~~~~~Decode messages to print on serial port~~~~~ - void commOutFn() { - while (_RUN) { - osEvent newEvent = mailStack.get(); - msg *pMessage = (msg *) newEvent.value.p; - - //Case switch to choose serial output based on incoming message - switch (pMessage->type) { - case motorState: - pc.printf("The motor is currently in state %x\n\r", pMessage->message); - break; - case hashRate: - pc.printf("\r>%s< Mining: %.4u Hash/s\r", inCharQ, (uint32_t) pMessage->message); - returnCursor(); - break; - case nonceMatch: - pc.printf("\r>%s< Nonce found: %x\r", inCharQ, pMessage->message); - returnCursor(); - break; - case keyAdded: - pc.printf("New Key Added:\t0x%016x\n\r", pMessage->message); - break; - case torque: - pc.printf("Motor Torque set to:\t%d\n\r", pMessage->message); - break; - case velIn: - pc.printf("Target Velocity set to:\t%.2f\n\r", targetVel); - break; - case velOut: - pc.printf("Current Velocity:\t%.2f\n\r", \ - (float) ((int32_t) pMessage->message / 6)); - break; - case posIn: - pc.printf("Target Rotation set to:\t%.2f\n\r", \ - (float) ((int32_t) pMessage->message / 6)); - break; - case posOut: - pc.printf("Current Position:\t%.2f\n\r", \ - (float) ((int32_t) pMessage->message / 6)); - break; - case error: - pc.printf("\r>%s< Debugging position:%x\n\r", inCharQ, pMessage->message); - for (int i = 0; i < MAXCMDLENGTH; ++i) // reset buffer - inCharQ[i] = ' '; - break; - default: - pc.printf("Unknown Error. Message: %x\n\r", pMessage->message); - break; + + //~~~~~Decode messages to print on serial port~~~~~ + void commOutFn() { + while (_RUN) { + osEvent newEvent = mailStack.get(); + msg *pMessage = (msg *) newEvent.value.p; + + //Case switch to choose serial output based on incoming message + switch (pMessage->type) { + case motorState: + pc.printf("The motor is currently in state %x\n\r", pMessage->message); + break; + case hashRate: + pc.printf("\r>%s< Mining: %.4u Hash/s\r", inCharQ, (uint32_t) pMessage->message); + returnCursor(); + break; + case nonceMatch: + pc.printf("\r>%s< Nonce found: %x\r", inCharQ, pMessage->message); + returnCursor(); + break; + case keyAdded: + pc.printf("New Key Added:\t0x%016x\n\r", pMessage->message); + break; + case torque: + pc.printf("Motor Torque set to:\t%d\n\r", pMessage->message); + break; + case velIn: + pc.printf("Target Velocity set to:\t%.2f\n\r", targetVel); + break; + case velOut: + pc.printf("Current Velocity:\t%.2f\n\r", \ + (float) ((int32_t) pMessage->message / 6)); + break; + case posIn: + pc.printf("Target Rotation set to:\t%.2f\n\r", \ + (float) ((int32_t) pMessage->message / 6)); + break; + case posOut: + pc.printf("Current Position:\t%.2f\n\r", \ + (float) ((int32_t) pMessage->message / 6)); + break; + case error: + pc.printf("\r>%s< Debugging position:%x\n\r", inCharQ, pMessage->message); + for (int i = 0; i < MAXCMDLENGTH; ++i) // reset buffer + inCharQ[i] = ' '; + break; + default: + pc.printf("Unknown Error. Message: %x\n\r", pMessage->message); + break; + } + mailStack.free(pMessage); } - mailStack.free(pMessage); } - } - - - - - //TODO: stop function, maybe use parent de-constructor - //void stop_comm{} - - // public: - - volatile uint64_t newKey; // hash key - Mutex newKey_mutex; // Restrict access to prevent deadlock. - - Comm() : pc(SERIAL_TX, SERIAL_RX), - t_comm_out(osPriorityAboveNormal, 1024) - { // inherit from the RawSerial constructor - - pc.printf("%s\n\r", "Welcome" ); - MAXCMDLENGTH = 18; - - // reset buffer - // MbedOS prints 'Embedded Systems are fun and do awesome things!' - // if you print a null terminator - pc.putc('>'); - for (int i = 0; i < MAXCMDLENGTH; ++i) { - inCharQ[i] = '.'; - pc.putc('.'); + + + + + //TODO: stop function, maybe use parent de-constructor + //void stop_comm{} + + // public: + + volatile uint64_t newKey; // hash key + Mutex newKey_mutex; // Restrict access to prevent deadlock. + + Comm() : pc(SERIAL_TX, SERIAL_RX), + t_comm_out(osPriorityAboveNormal, 1024) + { // inherit from the RawSerial constructor + + pc.printf("%s\n\r", "Welcome" ); + MAXCMDLENGTH = 18; + + // reset buffer + // MbedOS prints 'Embedded Systems are fun and do awesome things!' + // if you print a null terminator + pc.putc('>'); + for (int i = 0; i < MAXCMDLENGTH; ++i) { + inCharQ[i] = '.'; + pc.putc('.'); + } + pc.putc('<'); + pc.putc('\r'); + + inCharQ[MAXCMDLENGTH] = '\0'; + strncpy(newCmd, inCharQ, MAXCMDLENGTH); + + cmdIndx = 0; + + inCharQIdx = 0; + // inCharQIdx = MAXCMDLENGTH-1; + + + + pc.attach(callback(this, &Comm::serialISR)); + + // Thread t_comm_in(osPriorityAboveNormal, 1024); + // Thread t_comm_out(osPriorityAboveNormal, 1024); + // Thread t_motor_ctrl(osPriorityAboveNormal, 1024); + + motorPower = 300; + targetVel = 45.0; + targetRot = 459.0; + + + + /*MsgChar = {'m', 'R', 'V', 'r', 'v', + + 'h', 'K', 'n', + + 'T', 'r', + + 'e'};*/ } - pc.putc('<'); - pc.putc('\r'); - - inCharQ[MAXCMDLENGTH] = '\0'; - strncpy(newCmd, inCharQ, MAXCMDLENGTH); - - cmdIndx = 0; - - inCharQIdx = 0; - // inCharQIdx = MAXCMDLENGTH-1; - - - - pc.attach(callback(this, &Comm::serialISR)); - - // Thread t_comm_in(osPriorityAboveNormal, 1024); - // Thread t_comm_out(osPriorityAboveNormal, 1024); - // Thread t_motor_ctrl(osPriorityAboveNormal, 1024); - - motorPower = 300; - targetVel = 45.0; - targetRot = 459.0; - - - - /*MsgChar = {'m', 'R', 'V', 'r', 'v', - - 'h', 'K', 'n', - - 'T', 'r', - - 'e'};*/ - } - - - void putMessage(msgType type, uint32_t message){ - msg *p_msg = mailStack.alloc(); - p_msg->type = type; - p_msg->message = message; - mailStack.put(p_msg); - } - - void start_comm(){ - _RUN = true; - - - // reset buffer - // MbedOS prints 'Embedded Systems are fun and do awesome things!' - // if you print a null terminator - pc.putc('>'); - for (int i = 0; i < MAXCMDLENGTH; ++i) { - inCharQ[i] = '.'; - pc.putc('.'); + + + void putMessage(msgType type, uint32_t message){ + msg *p_msg = mailStack.alloc(); + p_msg->type = type; + p_msg->message = message; + mailStack.put(p_msg); } - pc.putc('<'); - pc.putc('\r'); - - inCharQ[MAXCMDLENGTH] = '\0'; - strncpy(newCmd, inCharQ, MAXCMDLENGTH); - - // returnCursor(); - - // t_comm_in.start(callback(this, &Comm::commInFn)); - // this::thread::wait() - // wait(1.0); - t_comm_out.start(callback(this, &Comm::commOutFn)); - - - - } - - char newCmd[]; // because unallocated must be defined at the bottom of the class - char inCharQ[]; + + void start_comm(){ + _RUN = true; + + + // reset buffer + // MbedOS prints 'Embedded Systems are fun and do awesome things!' + // if you print a null terminator + pc.putc('>'); + for (int i = 0; i < MAXCMDLENGTH; ++i) { + inCharQ[i] = '.'; + pc.putc('.'); + } + pc.putc('<'); + pc.putc('\r'); + + inCharQ[MAXCMDLENGTH] = '\0'; + strncpy(newCmd, inCharQ, MAXCMDLENGTH); + + // returnCursor(); + + // t_comm_in.start(callback(this, &Comm::commInFn)); + // this::thread::wait() + // wait(1.0); + t_comm_out.start(callback(this, &Comm::commOutFn)); + + + + } + + char newCmd[]; // because unallocated must be defined at the bottom of the class + char inCharQ[]; }; class Motor { -protected: - 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 + protected: + 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 - float dutyC; // 1 = 100% - float mtrPeriod; // motor period - uint8_t stateCount[3]; // State Counter - uint8_t theStates[3]; // The Key states - - Thread t_motor_ctrl; // Thread for motor Control - -public: - - 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); - - 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] = 0; stateCount[1] = 0; stateCount[2] = 0; - theStates[0] = 0; theStates[1] = 0; theStates[2] = 0; + //Phase lead to make motor spin + int8_t lead; + + Comm* p_comm; + + //Run the motor synchronisation - 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)); - I1.rise(callback(this, &Motor::stateUpdate)); - 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); - - // Start motor control thread - t_motor_ctrl.start(callback(this, &Motor::motorCtrlFn)); - - p_comm = comm; - } - - //Set a given drive state - void motorOut(int8_t driveState) { - - //Lookup the output byte from the drive state. - int8_t driveOut = driveTable[driveState & 0x07]; - - //Turn off first - if (~driveOut & 0x01) L1L = 0; - if (~driveOut & 0x02) L1H = 1; - if (~driveOut & 0x04) L2L = 0; - if (~driveOut & 0x08) L2H = 1; - if (~driveOut & 0x10) L3L = 0; - if (~driveOut & 0x20) L3H = 1; - - //Then turn on - if (driveOut & 0x01) L1L = 1; - if (driveOut & 0x02) L1H = 0; - if (driveOut & 0x04) L2L = 1; - if (driveOut & 0x08) L2H = 0; - if (driveOut & 0x10) L3L = 1; - if (driveOut & 0x20) L3H = 0; - } - - //Convert photointerrupter inputs to a rotor state - inline int8_t readRotorState() { - return stateMap[I1 + 2*I2 + 4*I3]; - } - - //Basic synchronisation routine - int8_t motorHome() { - //Put the motor in drive state 0 and wait for it to stabilise - motorOut(0); - wait(2.0); - - //Get the rotor state - return readRotorState(); - } - - - void stateUpdate() { // () { // **params - currentState = readRotorState(); - - // Store into state counter - if (currentState == theStates[0]) - stateCount[0]++; - else if (currentState == theStates[1]) - stateCount[1]++; - else if (currentState == theStates[2]) - stateCount[2]++; - - - // (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,&Motor::motorCtrlTick), 1e5); - while (1) { - t_motor_ctrl.signal_wait((int32_t)0x1); - p_comm->pc.printf("B4115"); + float dutyC; // 1 = 100% + float mtrPeriod; // motor period + uint8_t stateCount[3]; // State Counter + uint8_t theStates[3]; // The Key states + + Thread t_motor_ctrl; // Thread for motor Control + + public: + + 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); + + 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] = 0; stateCount[1] = 0; stateCount[2] = 0; + theStates[0] = 0; theStates[1] = 0; theStates[2] = 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)); + I1.rise(callback(this, &Motor::stateUpdate)); + 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); + + // Start motor control thread + t_motor_ctrl.start(callback(this, &Motor::motorCtrlFn)); + + p_comm = comm; } - } - - void motorCtrlTick(){ - t_motor_ctrl.signal_set(0x1); - } + + //Set a given drive state + void motorOut(int8_t driveState) { + + //Lookup the output byte from the drive state. + int8_t driveOut = driveTable[driveState & 0x07]; + + //Turn off first + if (~driveOut & 0x01) L1L = 0; + if (~driveOut & 0x02) L1H = 1; + if (~driveOut & 0x04) L2L = 0; + if (~driveOut & 0x08) L2H = 1; + if (~driveOut & 0x10) L3L = 0; + if (~driveOut & 0x20) L3H = 1; + + //Then turn on + if (driveOut & 0x01) L1L = 1; + if (driveOut & 0x02) L1H = 0; + if (driveOut & 0x04) L2L = 1; + if (driveOut & 0x08) L2H = 0; + if (driveOut & 0x10) L3L = 1; + if (driveOut & 0x20) L3H = 0; + } + + //Convert photointerrupter inputs to a rotor state + inline int8_t readRotorState() { + return stateMap[I1 + 2*I2 + 4*I3]; + } + + //Basic synchronisation routine + int8_t motorHome() { + //Put the motor in drive state 0 and wait for it to stabilise + motorOut(0); + wait(2.0); + + //Get the rotor state + return readRotorState(); + } + + + void stateUpdate() { // () { // **params + currentState = readRotorState(); + + // Store into state counter + if (currentState == theStates[0]) + stateCount[0]++; + else if (currentState == theStates[1]) + stateCount[1]++; + else if (currentState == theStates[2]) + stateCount[2]++; + + + // (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,&Motor::motorCtrlTick), 1e5); + while (1) { + t_motor_ctrl.signal_wait((int32_t)0x1); + p_comm->pc.printf("B4115"); + } + } + + void motorCtrlTick(){ + t_motor_ctrl.signal_set(0x1); + } }; @@ -546,4 +542,7 @@ timer.reset(); } } + + return 0; + } \ No newline at end of file