Testprogram for TMC2209-Library. Uses Speed-Control via VACTUAL instead of Step/Dir
Dependencies: TMCStepper mRotaryEncoder-os
main.cpp@5:7f250f463aa2, 2021-03-21 (annotated)
- Committer:
- charly
- Date:
- Sun Mar 21 13:31:53 2021 +0000
- Revision:
- 5:7f250f463aa2
- Parent:
- 4:12bfa2c1729f
- Child:
- 6:6ad7bc10ac20
Speed limit; Show direction on leds
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
charly | 0:3f4cfbeda9d3 | 1 | #include "mbed.h" |
charly | 0:3f4cfbeda9d3 | 2 | #include "platform/mbed_thread.h" |
charly | 2:94c5b3f09463 | 3 | #include "TMCStepper.h" |
charly | 4:12bfa2c1729f | 4 | #include "mRotaryEncoder.h" |
charly | 2:94c5b3f09463 | 5 | |
charly | 2:94c5b3f09463 | 6 | /* |
charly | 2:94c5b3f09463 | 7 | Testprogram for TMCStepper-Library |
charly | 2:94c5b3f09463 | 8 | TMCStepper based on https://github.com/teemuatlut/TMCStepper for Arduino |
charly | 2:94c5b3f09463 | 9 | by https://github.com/teemuatlut |
charly | 2:94c5b3f09463 | 10 | +++++ |
charly | 2:94c5b3f09463 | 11 | Tested with https://github.com/bigtreetech/BIGTREETECH-TMC2209-V1.2 |
charly | 2:94c5b3f09463 | 12 | */ |
charly | 0:3f4cfbeda9d3 | 13 | |
charly | 0:3f4cfbeda9d3 | 14 | |
charly | 5:7f250f463aa2 | 15 | DigitalOut ledCW(LED1); // Show totation clockwise |
charly | 5:7f250f463aa2 | 16 | DigitalOut ledCCW(LED2); // Show rotation counterclockwise |
charly | 5:7f250f463aa2 | 17 | |
charly | 0:3f4cfbeda9d3 | 18 | //Virtual serial port over USB with 15200 baud 8N1 |
charly | 0:3f4cfbeda9d3 | 19 | static BufferedSerial host(USBTX, USBRX,115200); |
charly | 0:3f4cfbeda9d3 | 20 | |
charly | 4:12bfa2c1729f | 21 | //mRotaryEncoder(PinName pinA, PinName pinB, PinName pinSW, PinMode pullMode=PullUp, int debounceTime_us=1000) |
charly | 5:7f250f463aa2 | 22 | mRotaryEncoder wheel(p16, p17, p18,PullUp,3000); // default 1500 |
charly | 4:12bfa2c1729f | 23 | |
charly | 2:94c5b3f09463 | 24 | // hardware parameters: |
charly | 0:3f4cfbeda9d3 | 25 | // MOTOR Steps per Revolution ( 1/8 Microsteps, 200Steps per Rev / 1.8 degrees per FullStep) |
charly | 0:3f4cfbeda9d3 | 26 | #define MSPR 1600 |
charly | 0:3f4cfbeda9d3 | 27 | // Gear Ratio |
charly | 0:3f4cfbeda9d3 | 28 | #define GR 288 |
charly | 0:3f4cfbeda9d3 | 29 | |
charly | 0:3f4cfbeda9d3 | 30 | #define DRIVER_ADDRESS 0b00 // TMC2209 Driver address according to MS1 and MS2 |
charly | 5:7f250f463aa2 | 31 | #define R_SENSE 0.11f // R-Sense in OHM. Match to your driver |
charly | 2:94c5b3f09463 | 32 | #define MICROSTEPS 128 // # of microsteps |
charly | 5:7f250f463aa2 | 33 | #define RMSCURRENT 800 // RMS current of Stepper Coil in mA |
charly | 5:7f250f463aa2 | 34 | #define MAXSPEED 5000 // Maximaum speed (5000 with RMS800 @12V/06Amax) |
charly | 0:3f4cfbeda9d3 | 35 | |
charly | 2:94c5b3f09463 | 36 | // A TMCStepper-object with UART and given address and R-Sense |
charly | 0:3f4cfbeda9d3 | 37 | //RX, TX, RS, Addr |
charly | 0:3f4cfbeda9d3 | 38 | TMC2209Stepper stepper(p14, p13, R_SENSE, DRIVER_ADDRESS); |
charly | 0:3f4cfbeda9d3 | 39 | |
charly | 5:7f250f463aa2 | 40 | volatile bool enc_pressed = false; // Button of rotaryencoder was pressed |
charly | 5:7f250f463aa2 | 41 | volatile bool enc_rotated = false; // rotary encoder was totaded left or right |
charly | 5:7f250f463aa2 | 42 | volatile bool enc_action = false; // any change happened |
charly | 4:12bfa2c1729f | 43 | int lastGet; |
charly | 4:12bfa2c1729f | 44 | int thisGet; |
charly | 4:12bfa2c1729f | 45 | |
charly | 4:12bfa2c1729f | 46 | //interrup-Handler for button on rotary-encoder |
charly | 4:12bfa2c1729f | 47 | void trigger_sw() { |
charly | 4:12bfa2c1729f | 48 | enc_pressed = true; // just set the flag, rest is done outside isr |
charly | 4:12bfa2c1729f | 49 | } |
charly | 4:12bfa2c1729f | 50 | |
charly | 4:12bfa2c1729f | 51 | //interrup-Handler for rotary-encoder rotation |
charly | 4:12bfa2c1729f | 52 | void trigger_rotated() { |
charly | 4:12bfa2c1729f | 53 | enc_rotated = true; // just set the flag, rest is done outside isr |
charly | 4:12bfa2c1729f | 54 | } |
charly | 4:12bfa2c1729f | 55 | |
charly | 0:3f4cfbeda9d3 | 56 | // Assumes little endian |
charly | 0:3f4cfbeda9d3 | 57 | void printBits(size_t const size, void const * const ptr) |
charly | 0:3f4cfbeda9d3 | 58 | { |
charly | 0:3f4cfbeda9d3 | 59 | unsigned char *b = (unsigned char*) ptr; |
charly | 0:3f4cfbeda9d3 | 60 | unsigned char byte; |
charly | 0:3f4cfbeda9d3 | 61 | int i, j; |
charly | 0:3f4cfbeda9d3 | 62 | // puts("#"); |
charly | 0:3f4cfbeda9d3 | 63 | for (i = size-1; i >= 0; i--) { |
charly | 0:3f4cfbeda9d3 | 64 | for (j = 7; j >= 0; j--) { |
charly | 0:3f4cfbeda9d3 | 65 | byte = (b[i] >> j) & 1; |
charly | 0:3f4cfbeda9d3 | 66 | printf("%u", byte); |
charly | 0:3f4cfbeda9d3 | 67 | } |
charly | 0:3f4cfbeda9d3 | 68 | } |
charly | 0:3f4cfbeda9d3 | 69 | // puts("#"); |
charly | 0:3f4cfbeda9d3 | 70 | } |
charly | 0:3f4cfbeda9d3 | 71 | |
charly | 0:3f4cfbeda9d3 | 72 | int main() |
charly | 0:3f4cfbeda9d3 | 73 | { |
charly | 0:3f4cfbeda9d3 | 74 | printf("\r\nConnected to mbed\r\n"); |
charly | 4:12bfa2c1729f | 75 | |
charly | 5:7f250f463aa2 | 76 | //Intitiallize RotaryEncoder |
charly | 4:12bfa2c1729f | 77 | // call trigger_sw() when button of rotary-encoder is pressed |
charly | 4:12bfa2c1729f | 78 | wheel.attachSW(&trigger_sw); |
charly | 4:12bfa2c1729f | 79 | // call trigger_rot() when the shaft is rotaded left or right |
charly | 4:12bfa2c1729f | 80 | wheel.attachROT(&trigger_rotated); |
charly | 4:12bfa2c1729f | 81 | lastGet = 0; |
charly | 4:12bfa2c1729f | 82 | // set encrotated, so startup |
charly | 4:12bfa2c1729f | 83 | enc_rotated = true; |
charly | 5:7f250f463aa2 | 84 | enc_action = true; |
charly | 5:7f250f463aa2 | 85 | ledCW = 1; |
charly | 5:7f250f463aa2 | 86 | ledCCW = 1; |
charly | 5:7f250f463aa2 | 87 | |
charly | 5:7f250f463aa2 | 88 | // Initialize Stepper |
charly | 5:7f250f463aa2 | 89 | printf("connecting to TMC-Module...\r\n"); |
charly | 2:94c5b3f09463 | 90 | stepper.begin(); // UART: Init SW UART (if selected) with default baudrate |
charly | 5:7f250f463aa2 | 91 | printf("TMC-Version: %02X\r\n",stepper.version()); |
charly | 2:94c5b3f09463 | 92 | stepper.toff(3); // Enables driver in software - 3, 5 ???? |
charly | 2:94c5b3f09463 | 93 | stepper.rms_current(RMSCURRENT); // Set motor RMS current in mA / min 500 for 24V/speed:3000 |
charly | 1:60419aa0c030 | 94 | // 1110, 800 |
charly | 5:7f250f463aa2 | 95 | // working: 800 12V/0,6Amax, Speed up to 5200=4U/min |
charly | 5:7f250f463aa2 | 96 | |
charly | 0:3f4cfbeda9d3 | 97 | stepper.microsteps(MICROSTEPS); // Set microsteps to 1:Fullstep ... 256: 1/256th |
charly | 1:60419aa0c030 | 98 | stepper.en_spreadCycle(true); // Toggle spreadCycle on TMC2208/2209/2224: default false, true: much faster!!!! |
charly | 0:3f4cfbeda9d3 | 99 | stepper.pwm_autoscale(true); // Needed for stealthChop |
charly | 0:3f4cfbeda9d3 | 100 | |
charly | 5:7f250f463aa2 | 101 | uint32_t status = stepper.DRV_STATUS(); |
charly | 5:7f250f463aa2 | 102 | printf("DRV_STATUS(): "); printBits(sizeof(status),&status);printf("\r\n"); |
charly | 5:7f250f463aa2 | 103 | |
charly | 5:7f250f463aa2 | 104 | //bool shaft = false; //direction CW or CCW |
charly | 1:60419aa0c030 | 105 | |
charly | 0:3f4cfbeda9d3 | 106 | while(1) { |
charly | 5:7f250f463aa2 | 107 | /* Spped-UP/Down-Cycles |
charly | 0:3f4cfbeda9d3 | 108 | // printf("TSTEP(): %i\r\n", stepper.TSTEP()); |
charly | 0:3f4cfbeda9d3 | 109 | uint32_t status = stepper.DRV_STATUS(); |
charly | 0:3f4cfbeda9d3 | 110 | printf("DRV_STATUS(): "); printBits(sizeof(status),&status);printf("\r\n"); |
charly | 0:3f4cfbeda9d3 | 111 | uint32_t ioin = stepper.IOIN(); |
charly | 0:3f4cfbeda9d3 | 112 | printf("IOIN(): "); printBits(sizeof(ioin),&ioin);printf("\r\n"); |
charly | 0:3f4cfbeda9d3 | 113 | // uint32_t otp = stepper.OTP_READ(); |
charly | 0:3f4cfbeda9d3 | 114 | // printf("OTP_READ(): ");printBits(sizeof(otp),&otp);printf("\r\n"); |
charly | 0:3f4cfbeda9d3 | 115 | |
charly | 1:60419aa0c030 | 116 | printf("VACTUAL(): %zu \r\n", stepper.VACTUAL()); |
charly | 0:3f4cfbeda9d3 | 117 | // increase |
charly | 1:60419aa0c030 | 118 | uint32_t maxspeed = 3000; //max 3400 or 3000 |
charly | 1:60419aa0c030 | 119 | uint32_t actspeed = 0; |
charly | 0:3f4cfbeda9d3 | 120 | while (actspeed < maxspeed) { |
charly | 0:3f4cfbeda9d3 | 121 | actspeed += 200; |
charly | 1:60419aa0c030 | 122 | if (actspeed > maxspeed) { |
charly | 1:60419aa0c030 | 123 | actspeed = maxspeed; |
charly | 1:60419aa0c030 | 124 | } |
charly | 3:209a9c414f54 | 125 | printf("actspeed: %i",actspeed); |
charly | 0:3f4cfbeda9d3 | 126 | stepper.VACTUAL(actspeed*MICROSTEPS);// Set Speed to value |
charly | 1:60419aa0c030 | 127 | ThisThread::sleep_for(25ms); //wait |
charly | 0:3f4cfbeda9d3 | 128 | } |
charly | 0:3f4cfbeda9d3 | 129 | printf("VACTUAL(): %zu \r\n", stepper.VACTUAL()); |
charly | 3:209a9c414f54 | 130 | ThisThread::sleep_for(5s); |
charly | 0:3f4cfbeda9d3 | 131 | // decrease |
charly | 0:3f4cfbeda9d3 | 132 | maxspeed = 0; |
charly | 0:3f4cfbeda9d3 | 133 | while (actspeed > maxspeed) { |
charly | 0:3f4cfbeda9d3 | 134 | actspeed -= 200; |
charly | 1:60419aa0c030 | 135 | if (actspeed < 0) { |
charly | 1:60419aa0c030 | 136 | actspeed = 0; |
charly | 1:60419aa0c030 | 137 | } |
charly | 3:209a9c414f54 | 138 | printf("actspeed: %i",actspeed); |
charly | 0:3f4cfbeda9d3 | 139 | stepper.VACTUAL(actspeed*MICROSTEPS);// Set Speed to value |
charly | 1:60419aa0c030 | 140 | ThisThread::sleep_for(25ms); //wait |
charly | 0:3f4cfbeda9d3 | 141 | } |
charly | 1:60419aa0c030 | 142 | |
charly | 1:60419aa0c030 | 143 | // stepper.VACTUAL(400*MICROSTEPS);// Set Speed to value |
charly | 0:3f4cfbeda9d3 | 144 | ThisThread::sleep_for(5s); //wait |
charly | 1:60419aa0c030 | 145 | // inverse direction |
charly | 1:60419aa0c030 | 146 | shaft = !shaft; |
charly | 1:60419aa0c030 | 147 | stepper.shaft(shaft); |
charly | 2:94c5b3f09463 | 148 | // Read Interace-Count |
charly | 2:94c5b3f09463 | 149 | printf("IFCNT(): %zu \r\n",stepper.IFCNT()); |
charly | 1:60419aa0c030 | 150 | printf("...\r\n"); |
charly | 4:12bfa2c1729f | 151 | */ |
charly | 5:7f250f463aa2 | 152 | ////// Control motor-speed by rotary-encoder |
charly | 5:7f250f463aa2 | 153 | |
charly | 4:12bfa2c1729f | 154 | // shaft has been rotated? |
charly | 4:12bfa2c1729f | 155 | if (enc_rotated) { |
charly | 4:12bfa2c1729f | 156 | enc_rotated = false; |
charly | 5:7f250f463aa2 | 157 | enc_action = true; |
charly | 4:12bfa2c1729f | 158 | thisGet = wheel.Get(); |
charly | 5:7f250f463aa2 | 159 | if (thisGet*100 > MAXSPEED) { //on upper limit? |
charly | 5:7f250f463aa2 | 160 | wheel.Set( MAXSPEED/100); |
charly | 5:7f250f463aa2 | 161 | thisGet = wheel.Get(); |
charly | 5:7f250f463aa2 | 162 | } |
charly | 5:7f250f463aa2 | 163 | if (thisGet*100 < MAXSPEED*(-1)) { //on lower limit? |
charly | 5:7f250f463aa2 | 164 | wheel.Set( MAXSPEED*(-1)/100); |
charly | 5:7f250f463aa2 | 165 | thisGet = wheel.Get(); |
charly | 5:7f250f463aa2 | 166 | } |
charly | 4:12bfa2c1729f | 167 | stepper.VACTUAL(thisGet*100*MICROSTEPS);// Set Speed to value |
charly | 4:12bfa2c1729f | 168 | printf("actspeed: %i\r\n",thisGet*100); |
charly | 5:7f250f463aa2 | 169 | |
charly | 4:12bfa2c1729f | 170 | } |
charly | 4:12bfa2c1729f | 171 | // Button pressed? |
charly | 4:12bfa2c1729f | 172 | if (enc_pressed) { |
charly | 4:12bfa2c1729f | 173 | enc_pressed = false; |
charly | 5:7f250f463aa2 | 174 | enc_action = true; |
charly | 4:12bfa2c1729f | 175 | wheel.Set(0); |
charly | 4:12bfa2c1729f | 176 | thisGet = wheel.Get(); |
charly | 4:12bfa2c1729f | 177 | stepper.VACTUAL(thisGet*100*MICROSTEPS);// Set Speed to value |
charly | 4:12bfa2c1729f | 178 | printf("actspeed: %i\r\n",thisGet*100); |
charly | 4:12bfa2c1729f | 179 | |
charly | 4:12bfa2c1729f | 180 | } |
charly | 5:7f250f463aa2 | 181 | // anything changed? |
charly | 5:7f250f463aa2 | 182 | if (enc_action) { |
charly | 5:7f250f463aa2 | 183 | enc_action = false; |
charly | 5:7f250f463aa2 | 184 | // show direction of motor on leds |
charly | 5:7f250f463aa2 | 185 | if (thisGet > 0) { |
charly | 5:7f250f463aa2 | 186 | ledCW = 1; |
charly | 5:7f250f463aa2 | 187 | ledCCW= 0; |
charly | 5:7f250f463aa2 | 188 | } |
charly | 5:7f250f463aa2 | 189 | if (thisGet < 0) { |
charly | 5:7f250f463aa2 | 190 | ledCW = 0; |
charly | 5:7f250f463aa2 | 191 | ledCCW= 1; |
charly | 5:7f250f463aa2 | 192 | } |
charly | 5:7f250f463aa2 | 193 | if (thisGet == 0) { |
charly | 5:7f250f463aa2 | 194 | ledCW = 1; |
charly | 5:7f250f463aa2 | 195 | ledCCW= 1; |
charly | 5:7f250f463aa2 | 196 | } |
charly | 5:7f250f463aa2 | 197 | } |
charly | 4:12bfa2c1729f | 198 | } // while 1 |
charly | 0:3f4cfbeda9d3 | 199 | } |