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main.cpp@7:e36f61608c10, 2021-08-10 (annotated)
- Committer:
- juliusbernth
- Date:
- Tue Aug 10 11:00:13 2021 +0000
- Revision:
- 7:e36f61608c10
- Parent:
- 6:004dc33f4081
- Child:
- 8:41cd1fc8cbbe
Working Version with accelerometer
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
juliusbernth | 0:64442857169c | 1 | /* mbed Microcontroller Library |
juliusbernth | 0:64442857169c | 2 | * Copyright (c) 2019 ARM Limited |
juliusbernth | 0:64442857169c | 3 | * SPDX-License-Identifier: Apache-2.0 |
juliusbernth | 0:64442857169c | 4 | */ |
juliusbernth | 0:64442857169c | 5 | |
juliusbernth | 0:64442857169c | 6 | #include "mbed.h" |
juliusbernth | 0:64442857169c | 7 | #include "platform/mbed_thread.h" |
juliusbernth | 0:64442857169c | 8 | #include "Settings.h" |
juliusbernth | 0:64442857169c | 9 | #include "QEI.h" |
juliusbernth | 7:e36f61608c10 | 10 | #include "math.h" |
juliusbernth | 0:64442857169c | 11 | //#include "LIS3DH.h" |
juliusbernth | 0:64442857169c | 12 | |
juliusbernth | 0:64442857169c | 13 | /* |
juliusbernth | 0:64442857169c | 14 | Open issues: |
juliusbernth | 5:e9bb800a3742 | 15 | - need to figure out how to handle transitions to error states |
juliusbernth | 5:e9bb800a3742 | 16 | - Need to test how breaking is performed. |
juliusbernth | 5:e9bb800a3742 | 17 | -Test onboard current limitation |
juliusbernth | 0:64442857169c | 18 | */ |
juliusbernth | 0:64442857169c | 19 | |
juliusbernth | 0:64442857169c | 20 | Timer encoderTimer; |
juliusbernth | 0:64442857169c | 21 | Timer buttonTimer; |
juliusbernth | 0:64442857169c | 22 | Timer testTimer; |
juliusbernth | 0:64442857169c | 23 | |
juliusbernth | 0:64442857169c | 24 | Timeout buttonTimeout; |
juliusbernth | 0:64442857169c | 25 | |
juliusbernth | 0:64442857169c | 26 | Thread PrintThread(osPriorityAboveNormal); |
juliusbernth | 0:64442857169c | 27 | Thread CentrifugeTestThread(osPriorityHigh); |
juliusbernth | 0:64442857169c | 28 | Thread ReadButtonThread(osPriorityNormal); |
juliusbernth | 0:64442857169c | 29 | Thread MotorControlThread(osPriorityRealtime); |
juliusbernth | 0:64442857169c | 30 | |
juliusbernth | 0:64442857169c | 31 | double SPIN_T[6]; //times for spin cycle |
juliusbernth | 0:64442857169c | 32 | |
juliusbernth | 0:64442857169c | 33 | QEI encoder(PA_14, PA_13, PA_15, 256, QEI::X4_ENCODING); |
juliusbernth | 0:64442857169c | 34 | |
juliusbernth | 0:64442857169c | 35 | //LIS3DH accel = LIS3DH(SPI_MOSI, SPI_MISO, SPI_SCLK, SPI_CS,LIS3DH_DR_NR_LP_400HZ, LIS3DH_FS_2G); |
juliusbernth | 0:64442857169c | 36 | |
juliusbernth | 0:64442857169c | 37 | DigitalOut EN_FAULTA (D2); |
juliusbernth | 0:64442857169c | 38 | DigitalOut STBY (D8); |
juliusbernth | 0:64442857169c | 39 | DigitalOut PHA (D3); |
juliusbernth | 0:64442857169c | 40 | DigitalOut PHB (D7); |
juliusbernth | 0:64442857169c | 41 | PwmOut PWMA (D5); |
juliusbernth | 0:64442857169c | 42 | PwmOut PWMB (D4); |
juliusbernth | 0:64442857169c | 43 | PwmOut REF_PWM_A (D15); |
juliusbernth | 0:64442857169c | 44 | PwmOut REF_PWM_B (D14); |
juliusbernth | 7:e36f61608c10 | 45 | AnalogIn pinAx(A0); |
juliusbernth | 7:e36f61608c10 | 46 | AnalogIn pinAy(A1); |
juliusbernth | 7:e36f61608c10 | 47 | AnalogIn pinAz(A2); |
juliusbernth | 7:e36f61608c10 | 48 | |
juliusbernth | 7:e36f61608c10 | 49 | DigitalOut pinSt(A3); |
juliusbernth | 0:64442857169c | 50 | |
juliusbernth | 0:64442857169c | 51 | Serial pc(USBTX,USBRX); |
juliusbernth | 0:64442857169c | 52 | |
juliusbernth | 0:64442857169c | 53 | DigitalOut pinStatusLED (D13); |
juliusbernth | 0:64442857169c | 54 | DigitalIn pinButton (PC_13); |
juliusbernth | 0:64442857169c | 55 | |
juliusbernth | 0:64442857169c | 56 | /* Still to allocate |
juliusbernth | 0:64442857169c | 57 | |
juliusbernth | 0:64442857169c | 58 | DigitalOut pinBuzzer |
juliusbernth | 0:64442857169c | 59 | DigitalOut pinPowerLED |
juliusbernth | 0:64442857169c | 60 | |
juliusbernth | 0:64442857169c | 61 | */ |
juliusbernth | 0:64442857169c | 62 | |
juliusbernth | 0:64442857169c | 63 | //global variables |
juliusbernth | 0:64442857169c | 64 | double speedFilterConstant; |
juliusbernth | 5:e9bb800a3742 | 65 | char state; |
juliusbernth | 0:64442857169c | 66 | double currentPulses; |
juliusbernth | 0:64442857169c | 67 | double lastPulses; |
juliusbernth | 0:64442857169c | 68 | double lastSpeedRPM; |
juliusbernth | 0:64442857169c | 69 | double Tnow; |
juliusbernth | 5:e9bb800a3742 | 70 | double demandSpeed_RPM = 0.0; |
juliusbernth | 5:e9bb800a3742 | 71 | double currentSpeedRPM; |
juliusbernth | 0:64442857169c | 72 | double deltaError; |
juliusbernth | 0:64442857169c | 73 | double lastError; |
juliusbernth | 0:64442857169c | 74 | double integralTerm; |
juliusbernth | 0:64442857169c | 75 | double output; |
juliusbernth | 0:64442857169c | 76 | |
juliusbernth | 0:64442857169c | 77 | Ticker tickerMotorControl; |
juliusbernth | 0:64442857169c | 78 | Ticker tickerPrint; |
juliusbernth | 0:64442857169c | 79 | Ticker tickerReleaseButton; |
juliusbernth | 0:64442857169c | 80 | |
juliusbernth | 0:64442857169c | 81 | Semaphore semMotorControl(0); |
juliusbernth | 0:64442857169c | 82 | Semaphore semPrint(0); |
juliusbernth | 0:64442857169c | 83 | Semaphore semStartTest(0); |
juliusbernth | 0:64442857169c | 84 | Semaphore semButton(0); |
juliusbernth | 0:64442857169c | 85 | |
juliusbernth | 3:4f215646a42b | 86 | Mutex mut1; |
juliusbernth | 0:64442857169c | 87 | |
juliusbernth | 0:64442857169c | 88 | double LimitDouble(double input, double min, double max){ |
juliusbernth | 0:64442857169c | 89 | double output; |
juliusbernth | 0:64442857169c | 90 | output = input; |
juliusbernth | 0:64442857169c | 91 | if (input > max){ |
juliusbernth | 0:64442857169c | 92 | output = max; |
juliusbernth | 0:64442857169c | 93 | } |
juliusbernth | 0:64442857169c | 94 | if (input < min){ |
juliusbernth | 0:64442857169c | 95 | output = min; |
juliusbernth | 0:64442857169c | 96 | } |
juliusbernth | 0:64442857169c | 97 | return output; |
juliusbernth | 0:64442857169c | 98 | } |
juliusbernth | 0:64442857169c | 99 | /* |
juliusbernth | 0:64442857169c | 100 | double GetSpeed(int pulses, int lastPulses, double currentSpeed){ |
juliusbernth | 0:64442857169c | 101 | double filteredSpeedRPM; |
juliusbernth | 0:64442857169c | 102 | |
juliusbernth | 0:64442857169c | 103 | //find change in pulses. |
juliusbernth | 0:64442857169c | 104 | double speedRPM = (double) (pulses - lastPulses); //get change in angle |
juliusbernth | 0:64442857169c | 105 | speedRPM /= encoderTimer.read_us(); //calculate speed in pulses/us |
juliusbernth | 0:64442857169c | 106 | encoderTimer.reset(); |
juliusbernth | 0:64442857169c | 107 | speedRPM *= 60000000.0/PULSES_PER_REV/4.0;//convert to RPM; |
juliusbernth | 0:64442857169c | 108 | |
juliusbernth | 0:64442857169c | 109 | //filter speed |
juliusbernth | 0:64442857169c | 110 | //filteredSpeedRPM = speedFilterConstant * speedRPM + currentSpeed - speedFilterConstant * currentSpeed; |
juliusbernth | 0:64442857169c | 111 | filteredSpeedRPM = speedRPM; |
juliusbernth | 0:64442857169c | 112 | return filteredSpeedRPM; |
juliusbernth | 0:64442857169c | 113 | }*/ |
juliusbernth | 0:64442857169c | 114 | |
juliusbernth | 0:64442857169c | 115 | |
juliusbernth | 0:64442857169c | 116 | void PIDControl(){ |
juliusbernth | 0:64442857169c | 117 | |
juliusbernth | 0:64442857169c | 118 | } |
juliusbernth | 0:64442857169c | 119 | |
juliusbernth | 0:64442857169c | 120 | void TestCompleteNotification(){ |
juliusbernth | 0:64442857169c | 121 | //send message |
juliusbernth | 0:64442857169c | 122 | printf("\r\nTest complete\r\n"); |
juliusbernth | 0:64442857169c | 123 | //sound buzzer and blink 3 times |
juliusbernth | 0:64442857169c | 124 | } |
juliusbernth | 0:64442857169c | 125 | |
juliusbernth | 0:64442857169c | 126 | void MotorControlRelease(){ |
juliusbernth | 0:64442857169c | 127 | semMotorControl.release(); |
juliusbernth | 0:64442857169c | 128 | } |
juliusbernth | 0:64442857169c | 129 | void PrintRelease(){ |
juliusbernth | 0:64442857169c | 130 | semPrint.release(); |
juliusbernth | 0:64442857169c | 131 | } |
juliusbernth | 0:64442857169c | 132 | |
juliusbernth | 5:e9bb800a3742 | 133 | void PrintTimeRemaining(){ |
juliusbernth | 0:64442857169c | 134 | while(1){ |
juliusbernth | 0:64442857169c | 135 | semPrint.wait(); |
juliusbernth | 5:e9bb800a3742 | 136 | if(state == STATE_RUNNING){ |
juliusbernth | 0:64442857169c | 137 | double timeElapsed = testTimer.read(); |
juliusbernth | 0:64442857169c | 138 | double timeRemaining = SPIN_T[5] - timeElapsed; |
juliusbernth | 0:64442857169c | 139 | int displayTime = int(timeRemaining)+1; |
juliusbernth | 0:64442857169c | 140 | //printf("Time remaining %d s\r\n", displayTime); |
juliusbernth | 7:e36f61608c10 | 141 | //mut1.lock(); |
juliusbernth | 5:e9bb800a3742 | 142 | double printDemandSpeed = demandSpeed_RPM; |
juliusbernth | 5:e9bb800a3742 | 143 | double printCurrentSpeed = currentSpeedRPM; |
juliusbernth | 7:e36f61608c10 | 144 | //mut1.unlock(); |
juliusbernth | 7:e36f61608c10 | 145 | //printf("%f\t%f\r\n",demandSpeed_RPM, currentSpeedRPM); |
juliusbernth | 3:4f215646a42b | 146 | } |
juliusbernth | 3:4f215646a42b | 147 | } |
juliusbernth | 3:4f215646a42b | 148 | } |
juliusbernth | 3:4f215646a42b | 149 | |
juliusbernth | 0:64442857169c | 150 | void MotorControl(){ |
juliusbernth | 0:64442857169c | 151 | while(1){ |
juliusbernth | 0:64442857169c | 152 | semMotorControl.wait();//wait for a signal |
juliusbernth | 7:e36f61608c10 | 153 | if(state == STATE_RUNNING){//need to check if this is the best condition to look for. |
juliusbernth | 7:e36f61608c10 | 154 | |
juliusbernth | 5:e9bb800a3742 | 155 | Tnow = testTimer.read(); |
juliusbernth | 7:e36f61608c10 | 156 | //check accel. If problem, change state to ERROR |
juliusbernth | 7:e36f61608c10 | 157 | //check accel here |
juliusbernth | 7:e36f61608c10 | 158 | double Ax, Ay, Az, Mag; |
juliusbernth | 7:e36f61608c10 | 159 | static double MagFil, lastAx, lastAy, lastAz; |
juliusbernth | 7:e36f61608c10 | 160 | /* |
juliusbernth | 7:e36f61608c10 | 161 | Ax = 0.2*pinAx.read() + 0.8*Ax - 0.5; |
juliusbernth | 7:e36f61608c10 | 162 | Ay = 0.2*pinAy.read() + 0.8*Ay - 0.5; |
juliusbernth | 7:e36f61608c10 | 163 | Az = 0.2*pinAz.read() + 0.8*Az - 0.5; |
juliusbernth | 7:e36f61608c10 | 164 | */ |
juliusbernth | 7:e36f61608c10 | 165 | |
juliusbernth | 7:e36f61608c10 | 166 | Ax = pinAx.read() - 0.5; |
juliusbernth | 7:e36f61608c10 | 167 | Ay = pinAy.read() - 0.5; |
juliusbernth | 7:e36f61608c10 | 168 | Az = pinAz.read() - 0.5; |
juliusbernth | 7:e36f61608c10 | 169 | |
juliusbernth | 7:e36f61608c10 | 170 | |
juliusbernth | 7:e36f61608c10 | 171 | //read accel |
juliusbernth | 7:e36f61608c10 | 172 | Mag = Ax*Ax + Ay*Ay; |
juliusbernth | 7:e36f61608c10 | 173 | Mag = sqrt(Mag); |
juliusbernth | 7:e36f61608c10 | 174 | //Mag *=ACCEL_SCALE; |
juliusbernth | 7:e36f61608c10 | 175 | MagFil = 0.3*Mag + 0.7*MagFil; |
juliusbernth | 7:e36f61608c10 | 176 | if (MagFil > VIBRATION_THRESHOLD){ |
juliusbernth | 7:e36f61608c10 | 177 | //mut1.lock(); |
juliusbernth | 7:e36f61608c10 | 178 | state = STATE_ERROR; |
juliusbernth | 7:e36f61608c10 | 179 | |
juliusbernth | 7:e36f61608c10 | 180 | //mut1.unlock(); |
juliusbernth | 7:e36f61608c10 | 181 | } |
juliusbernth | 7:e36f61608c10 | 182 | //int deltaT = encoderTimer.read();//read current time in seconds |
juliusbernth | 5:e9bb800a3742 | 183 | |
juliusbernth | 0:64442857169c | 184 | //calculate current demand |
juliusbernth | 5:e9bb800a3742 | 185 | if ( (SPIN_T[0] <= Tnow) && (Tnow < SPIN_T[1]) ) {//test is in warmup |
juliusbernth | 0:64442857169c | 186 | demandSpeed_RPM = 0.0; |
juliusbernth | 5:e9bb800a3742 | 187 | //printf("warm up %f\r\n", demandSpeed_RPM); |
juliusbernth | 5:e9bb800a3742 | 188 | //deactivate motor? |
juliusbernth | 0:64442857169c | 189 | } |
juliusbernth | 5:e9bb800a3742 | 190 | if ((SPIN_T[1] <= Tnow)&&(Tnow < SPIN_T[2])){//test is in ramp up |
juliusbernth | 5:e9bb800a3742 | 191 | |
juliusbernth | 5:e9bb800a3742 | 192 | double a = Tnow - SPIN_T[1]; |
juliusbernth | 5:e9bb800a3742 | 193 | demandSpeed_RPM = a * targetSpeed_RPM / T_RAMP; |
juliusbernth | 5:e9bb800a3742 | 194 | //printf("ramp up %f\r\n", demandSpeed_RPM); |
juliusbernth | 5:e9bb800a3742 | 195 | } |
juliusbernth | 5:e9bb800a3742 | 196 | if ((SPIN_T[2] <= Tnow)&&(Tnow < SPIN_T[3])){//test is in coast |
juliusbernth | 5:e9bb800a3742 | 197 | demandSpeed_RPM = targetSpeed_RPM; |
juliusbernth | 5:e9bb800a3742 | 198 | //printf("coast %f\r\n", demandSpeed_RPM); |
juliusbernth | 4:d04afc466198 | 199 | } |
juliusbernth | 5:e9bb800a3742 | 200 | if ((SPIN_T[3] <= Tnow)&&(Tnow < SPIN_T[4])){//test is in ramp down |
juliusbernth | 5:e9bb800a3742 | 201 | double a = Tnow - SPIN_T[3]; |
juliusbernth | 5:e9bb800a3742 | 202 | demandSpeed_RPM = targetSpeed_RPM - (a/T_RAMP*targetSpeed_RPM); |
juliusbernth | 5:e9bb800a3742 | 203 | //printf("ramp down %f\r\n", demandSpeed_RPM); |
juliusbernth | 5:e9bb800a3742 | 204 | } |
juliusbernth | 5:e9bb800a3742 | 205 | if ((SPIN_T[4] <= Tnow)&&(Tnow < SPIN_T[5])){//test is in cooldown |
juliusbernth | 5:e9bb800a3742 | 206 | demandSpeed_RPM = 0.0; |
juliusbernth | 5:e9bb800a3742 | 207 | //printf("cool down %f\r\n", demandSpeed_RPM); |
juliusbernth | 5:e9bb800a3742 | 208 | //deactivate motor? |
juliusbernth | 4:d04afc466198 | 209 | } |
juliusbernth | 7:e36f61608c10 | 210 | |
juliusbernth | 7:e36f61608c10 | 211 | demandSpeed_RPM = LimitDouble(demandSpeed_RPM,0.0,MAX_SPEED_RPM);//limit demand |
juliusbernth | 7:e36f61608c10 | 212 | currentPulses = encoder.getPulses();//calculate current speed |
juliusbernth | 7:e36f61608c10 | 213 | double deltaPulses = currentPulses - lastPulses; |
juliusbernth | 7:e36f61608c10 | 214 | double speed_RPM = deltaPulses / SAMPLE_TIME_US * 1000000;//get in pulses per second |
juliusbernth | 7:e36f61608c10 | 215 | speed_RPM *= 60/4/PULSES_PER_REV;//convert to RPM |
juliusbernth | 7:e36f61608c10 | 216 | |
juliusbernth | 7:e36f61608c10 | 217 | currentSpeedRPM = 0.3*speed_RPM + 0.7*lastSpeedRPM;//filter speed |
juliusbernth | 5:e9bb800a3742 | 218 | |
juliusbernth | 7:e36f61608c10 | 219 | double error = demandSpeed_RPM - currentSpeedRPM;//calculate error |
juliusbernth | 7:e36f61608c10 | 220 | deltaError = error - lastError; |
juliusbernth | 7:e36f61608c10 | 221 | double errorDot = deltaError/SAMPLE_TIME_US*1000000.0; |
juliusbernth | 7:e36f61608c10 | 222 | integralTerm += error*Ki*SAMPLE_TIME_US/1000000.0; |
juliusbernth | 7:e36f61608c10 | 223 | integralTerm = LimitDouble(integralTerm,-0.8, 0.8); |
juliusbernth | 7:e36f61608c10 | 224 | |
juliusbernth | 7:e36f61608c10 | 225 | output = Kp * error; //calculate output |
juliusbernth | 7:e36f61608c10 | 226 | output += integralTerm; |
juliusbernth | 7:e36f61608c10 | 227 | output += Kd*errorDot; |
juliusbernth | 7:e36f61608c10 | 228 | output = LimitDouble(output,-1.0,1.0); |
juliusbernth | 7:e36f61608c10 | 229 | //printf("wd:%f\t w:%f\t e:%f\t o:%f \r\n",demandSpeed_RPM, currentSpeedRPM, error, output); |
juliusbernth | 5:e9bb800a3742 | 230 | |
juliusbernth | 7:e36f61608c10 | 231 | if(output >=0){//Set direction |
juliusbernth | 7:e36f61608c10 | 232 | PHA.write(0); |
juliusbernth | 7:e36f61608c10 | 233 | }else{ |
juliusbernth | 7:e36f61608c10 | 234 | PHA.write(1); |
juliusbernth | 7:e36f61608c10 | 235 | output = -1*output; |
juliusbernth | 7:e36f61608c10 | 236 | } |
juliusbernth | 7:e36f61608c10 | 237 | PWMA.write(output);//write to motor |
juliusbernth | 7:e36f61608c10 | 238 | |
juliusbernth | 7:e36f61608c10 | 239 | lastPulses = currentPulses;//update |
juliusbernth | 7:e36f61608c10 | 240 | lastError = error; |
juliusbernth | 7:e36f61608c10 | 241 | lastSpeedRPM = currentSpeedRPM; |
juliusbernth | 5:e9bb800a3742 | 242 | |
juliusbernth | 7:e36f61608c10 | 243 | //exit when test has completed |
juliusbernth | 7:e36f61608c10 | 244 | if (Tnow >= SPIN_T[5]){ |
juliusbernth | 7:e36f61608c10 | 245 | printf("Terminating Test %f \t %f\r\n", Tnow, SPIN_T[5]); |
juliusbernth | 7:e36f61608c10 | 246 | state = STATE_READY;//change state |
juliusbernth | 7:e36f61608c10 | 247 | testTimer.stop(); //stop and reset timers |
juliusbernth | 7:e36f61608c10 | 248 | testTimer.reset(); |
juliusbernth | 7:e36f61608c10 | 249 | Tnow = testTimer.read(); |
juliusbernth | 7:e36f61608c10 | 250 | encoderTimer.stop(); |
juliusbernth | 7:e36f61608c10 | 251 | encoderTimer.reset(); |
juliusbernth | 7:e36f61608c10 | 252 | EN_FAULTA.write(0);//disable motor |
juliusbernth | 7:e36f61608c10 | 253 | |
juliusbernth | 7:e36f61608c10 | 254 | tickerMotorControl.detach(); //detach the semaphore release for motor control |
juliusbernth | 7:e36f61608c10 | 255 | tickerPrint.detach(); |
juliusbernth | 7:e36f61608c10 | 256 | |
juliusbernth | 7:e36f61608c10 | 257 | printf("state = %d\r\n",state); |
juliusbernth | 7:e36f61608c10 | 258 | TestCompleteNotification();//send notification |
juliusbernth | 7:e36f61608c10 | 259 | //deactivate motor |
juliusbernth | 7:e36f61608c10 | 260 | //PrintThread.terminate();//terminate print thread |
juliusbernth | 7:e36f61608c10 | 261 | //CentrifugeTestThread.terminate();//terminate threads |
juliusbernth | 7:e36f61608c10 | 262 | } |
juliusbernth | 0:64442857169c | 263 | } |
juliusbernth | 0:64442857169c | 264 | } |
juliusbernth | 0:64442857169c | 265 | } |
juliusbernth | 0:64442857169c | 266 | |
juliusbernth | 5:e9bb800a3742 | 267 | void CentrifugeTest(){ |
juliusbernth | 5:e9bb800a3742 | 268 | while(1){ |
juliusbernth | 5:e9bb800a3742 | 269 | semStartTest.wait(); |
juliusbernth | 0:64442857169c | 270 | printf("\r\n Test starting \r\n"); |
juliusbernth | 5:e9bb800a3742 | 271 | state = STATE_RUNNING; |
juliusbernth | 0:64442857169c | 272 | //set up test |
juliusbernth | 0:64442857169c | 273 | testTimer.reset(); |
juliusbernth | 0:64442857169c | 274 | testTimer.start();//start timer |
juliusbernth | 0:64442857169c | 275 | |
juliusbernth | 5:e9bb800a3742 | 276 | char spinState; |
juliusbernth | 0:64442857169c | 277 | |
juliusbernth | 0:64442857169c | 278 | //set up ticker to allow motor control thread to run periodically |
juliusbernth | 5:e9bb800a3742 | 279 | |
juliusbernth | 0:64442857169c | 280 | encoder.reset();//reset encoder |
juliusbernth | 0:64442857169c | 281 | lastPulses = 0;//reset previous encoder reading |
juliusbernth | 5:e9bb800a3742 | 282 | encoderTimer.start(); |
juliusbernth | 5:e9bb800a3742 | 283 | PrintThread.start(PrintTimeRemaining); |
juliusbernth | 0:64442857169c | 284 | printf("\r\n Test setup complete \r\n"); |
juliusbernth | 5:e9bb800a3742 | 285 | EN_FAULTA.write(1); |
juliusbernth | 7:e36f61608c10 | 286 | if(state == STATE_RUNNING){ |
juliusbernth | 7:e36f61608c10 | 287 | printf("\r\n running %d\r\n",state); |
juliusbernth | 7:e36f61608c10 | 288 | } |
juliusbernth | 0:64442857169c | 289 | |
juliusbernth | 5:e9bb800a3742 | 290 | |
juliusbernth | 5:e9bb800a3742 | 291 | } |
juliusbernth | 0:64442857169c | 292 | } |
juliusbernth | 0:64442857169c | 293 | |
juliusbernth | 0:64442857169c | 294 | void ReleaseReadButton(){ |
juliusbernth | 0:64442857169c | 295 | semButton.release(); |
juliusbernth | 0:64442857169c | 296 | } |
juliusbernth | 0:64442857169c | 297 | |
juliusbernth | 0:64442857169c | 298 | void ReadButton() |
juliusbernth | 0:64442857169c | 299 | { |
juliusbernth | 0:64442857169c | 300 | int countThreashold = int(BUTTON_HOLD_TIME_S/BUTTON_READ_SAMPLETIME_S); |
juliusbernth | 0:64442857169c | 301 | while (1) |
juliusbernth | 0:64442857169c | 302 | { |
juliusbernth | 0:64442857169c | 303 | semButton.wait(); |
juliusbernth | 0:64442857169c | 304 | int count = 0; |
juliusbernth | 0:64442857169c | 305 | |
juliusbernth | 0:64442857169c | 306 | while(!pinButton.read()) |
juliusbernth | 0:64442857169c | 307 | { |
juliusbernth | 0:64442857169c | 308 | count++; |
juliusbernth | 0:64442857169c | 309 | if (count ==1){ |
juliusbernth | 0:64442857169c | 310 | printf("button pressed\r\n"); |
juliusbernth | 0:64442857169c | 311 | } |
juliusbernth | 0:64442857169c | 312 | ThisThread::sleep_for(10); |
juliusbernth | 0:64442857169c | 313 | } |
juliusbernth | 7:e36f61608c10 | 314 | switch (state) |
juliusbernth | 0:64442857169c | 315 | { |
juliusbernth | 0:64442857169c | 316 | case STATE_READY: |
juliusbernth | 0:64442857169c | 317 | if(count > countThreashold) |
juliusbernth | 0:64442857169c | 318 | { |
juliusbernth | 0:64442857169c | 319 | printf("button released count = %d\r\n",count); |
juliusbernth | 0:64442857169c | 320 | count = 0; |
juliusbernth | 0:64442857169c | 321 | //CentrifugeTestThread.start(CentrifugeTest); |
juliusbernth | 5:e9bb800a3742 | 322 | semStartTest.release(); |
juliusbernth | 0:64442857169c | 323 | tickerMotorControl.attach_us(&MotorControlRelease, SAMPLE_TIME_US);//set up signal for control frequency |
juliusbernth | 0:64442857169c | 324 | tickerPrint.attach(&PrintRelease,PRINT_TIME_S); |
juliusbernth | 0:64442857169c | 325 | } |
juliusbernth | 0:64442857169c | 326 | break; |
juliusbernth | 0:64442857169c | 327 | case STATE_RUNNING: |
juliusbernth | 0:64442857169c | 328 | if(count >1){ |
juliusbernth | 5:e9bb800a3742 | 329 | EN_FAULTA.write(0); |
juliusbernth | 0:64442857169c | 330 | } |
juliusbernth | 0:64442857169c | 331 | break; |
juliusbernth | 0:64442857169c | 332 | |
juliusbernth | 0:64442857169c | 333 | case STATE_ERROR: |
juliusbernth | 0:64442857169c | 334 | |
juliusbernth | 0:64442857169c | 335 | break; |
juliusbernth | 0:64442857169c | 336 | default: |
juliusbernth | 0:64442857169c | 337 | break; |
juliusbernth | 0:64442857169c | 338 | } |
juliusbernth | 0:64442857169c | 339 | count = 0; |
juliusbernth | 5:e9bb800a3742 | 340 | ThisThread::sleep_for(100); |
juliusbernth | 0:64442857169c | 341 | } |
juliusbernth | 0:64442857169c | 342 | } |
juliusbernth | 0:64442857169c | 343 | |
juliusbernth | 0:64442857169c | 344 | int main(){ |
juliusbernth | 0:64442857169c | 345 | printf("\r\nSystem Online\r\n"); |
juliusbernth | 0:64442857169c | 346 | //set up system |
juliusbernth | 0:64442857169c | 347 | |
juliusbernth | 0:64442857169c | 348 | //set up motor |
juliusbernth | 0:64442857169c | 349 | //EN_FAULTA.mode(PullDown); |
juliusbernth | 0:64442857169c | 350 | //STBY.mode(PullDown); |
juliusbernth | 0:64442857169c | 351 | |
juliusbernth | 0:64442857169c | 352 | REF_PWM_A.period_us(100); |
juliusbernth | 0:64442857169c | 353 | PWMA.period_us(100); |
juliusbernth | 0:64442857169c | 354 | REF_PWM_A.write(0.5);//set current reference |
juliusbernth | 0:64442857169c | 355 | |
juliusbernth | 0:64442857169c | 356 | EN_FAULTA.write(0); |
juliusbernth | 0:64442857169c | 357 | STBY.write(1); |
juliusbernth | 0:64442857169c | 358 | //calculate filter constant |
juliusbernth | 0:64442857169c | 359 | speedFilterConstant = 2*3.141593*SAMPLE_TIME_US/1000000*FILTER_CUTOFF_FREQ; |
juliusbernth | 0:64442857169c | 360 | speedFilterConstant /= (1 + speedFilterConstant); |
juliusbernth | 0:64442857169c | 361 | |
juliusbernth | 0:64442857169c | 362 | SPIN_T[0] = 0.0; |
juliusbernth | 0:64442857169c | 363 | SPIN_T[1] = T_WARMUP; |
juliusbernth | 0:64442857169c | 364 | SPIN_T[2] = T_WARMUP + T_RAMP; |
juliusbernth | 0:64442857169c | 365 | SPIN_T[3] = T_WARMUP + T_RAMP + T_TEST; |
juliusbernth | 0:64442857169c | 366 | SPIN_T[4] = T_WARMUP + T_RAMP + T_TEST + T_RAMP; |
juliusbernth | 0:64442857169c | 367 | SPIN_T[5] = T_WARMUP + T_RAMP + T_TEST + T_RAMP + T_WARMUP; |
juliusbernth | 0:64442857169c | 368 | |
juliusbernth | 0:64442857169c | 369 | /* //set up button interrupts |
juliusbernth | 0:64442857169c | 370 | pinButton.rise(ISR_Button_Rise); |
juliusbernth | 0:64442857169c | 371 | pinButton.fall(ISR_Button_Fall); |
juliusbernth | 0:64442857169c | 372 | */ |
juliusbernth | 5:e9bb800a3742 | 373 | |
juliusbernth | 5:e9bb800a3742 | 374 | state = STATE_READY;//set state to READY |
juliusbernth | 0:64442857169c | 375 | //start all threads |
juliusbernth | 0:64442857169c | 376 | MotorControlThread.start(MotorControl); |
juliusbernth | 0:64442857169c | 377 | |
juliusbernth | 5:e9bb800a3742 | 378 | CentrifugeTestThread.start(CentrifugeTest); |
juliusbernth | 0:64442857169c | 379 | //start print thread. |
juliusbernth | 0:64442857169c | 380 | |
juliusbernth | 0:64442857169c | 381 | ReadButtonThread.start(ReadButton); |
juliusbernth | 0:64442857169c | 382 | tickerReleaseButton.attach(ReleaseReadButton,BUTTON_READ_SAMPLETIME_S); |
juliusbernth | 0:64442857169c | 383 | |
juliusbernth | 0:64442857169c | 384 | |
juliusbernth | 0:64442857169c | 385 | printf("\r\nSetup Complete\r\n"); |
juliusbernth | 0:64442857169c | 386 | while (true) { |
juliusbernth | 0:64442857169c | 387 | //check state of button |
juliusbernth | 0:64442857169c | 388 | ThisThread::sleep_for(osWaitForever); |
juliusbernth | 0:64442857169c | 389 | } |
juliusbernth | 0:64442857169c | 390 | } |