DC_Motor
Dependencies: mbed
Fork of Robotics_Lab_DCMotor by
Diff: main.cpp
- Revision:
- 2:9caf46a5fe5a
- Parent:
- 1:6747911cdd90
diff -r 6747911cdd90 -r 9caf46a5fe5a main.cpp --- a/main.cpp Thu Apr 07 23:00:14 2016 +0000 +++ b/main.cpp Wed May 25 07:02:22 2016 +0000 @@ -4,12 +4,17 @@ //The number will be compiled as type "double" in default //Add a "f" after the number can make it compiled as type "float" #define Ts 0.01f //period of timer1 (s) +#define Kp 0.0025f +#define Ki 0.008f PwmOut pwm1(D7); PwmOut pwm1n(D11); PwmOut pwm2(D8); PwmOut pwm2n(A3); +Serial bluetooth(D10,D2); +Serial pc(D1, D0); + DigitalOut led1(A4); DigitalOut led2(A5); @@ -20,8 +25,6 @@ InterruptIn HallA_2(D13); InterruptIn HallB_2(D12); -Serial pc(D1, D0); - Ticker timer1; void timer1_interrupt(void); void CN_interrupt(void); @@ -29,6 +32,7 @@ void init_TIMER(void); void init_PWM(void); void init_CN(void); +void init_err(void); int8_t stateA_1=0, stateB_1=0, stateA_2=0, stateB_2=0; int8_t state_1 = 0, state_1_old = 0, state_2 = 0, state_2_old = 0; @@ -47,11 +51,20 @@ init_PWM(); init_CN(); - v1_ref = 0.0; - v2_ref = 0.0; + bluetooth.baud(115200); //設定鮑率 + pc.baud(57600); + - while(1) { - ; + while(1) + { + if(pc.readable()) + { + bluetooth.putc(pc.getc()); + } + if(bluetooth.readable()) + { + pc.putc(bluetooth.getc()); + } } } @@ -61,8 +74,10 @@ v1 = (float)v1Count * 100.0f / 12.0f * 60.0f / 29.0f; //unit: rpm v1Count = 0; - ///code for PI control/// - + ///code for PI control/// + v1_err = v1_ref - v1; + v1_ierr = Ts*v1_err + v1_ierr; + PIout_1 = Kp*v1_err + Ki*v1_ierr; ///////////////////////// @@ -77,15 +92,61 @@ v2Count = 0; ///code for PI control/// - - + v2_err = v2_ref - v2; + v2_ierr = Ts*v2_err + v2_ierr; + PIout_2 = Kp*v2_err + Ki*v2_ierr; + ///////////////////////// if(PIout_2 >= 0.5f)PIout_2 = 0.5f; else if(PIout_2 <= -0.5f)PIout_2 = -0.5f; pwm2.write(PIout_2 + 0.5f); - pwm2.write(0); TIM1->CCER |= 0x40; + + switch(bluetooth.getc()) + { + case '1': + v1_ref = 30; + v2_ref = 30; + init_err(); + break; + case '2': + v1_ref = 40; + v2_ref = 40; + init_err(); + break; + case '3': + v1_ref = 50; + v2_ref = 50; + init_err(); + break; + case '4': + v1_ref = 60; + v2_ref = 60; + init_err(); + break; + case '5': + v1_ref = 70; + v2_ref = 70; + init_err(); + break; + case '6': + v1_ref = 80; + v2_ref = 80; + init_err(); + break; + case '7': + v1_ref = 100; + v2_ref = 100; + init_err(); + break; + case '8': + v1_ref = 0; + v2_ref = 0; + break; + } + + } void CN_interrupt(void) @@ -95,6 +156,44 @@ stateB_1 = HallB_1.read(); ///code for state determination/// + if(stateA_1==0&&stateB_1==0){ + state_1 = 1;} + else if(stateA_1==0&&stateB_1==1){ + state_1 = 2;} + else if(stateA_1==1&&stateB_1==1){ + state_1 = 3;} + else if(stateA_1==1&&stateB_1==0){ + state_1 = 4;} + + if(state_1 == 1) + { + if(state_1-state_1_old == -3) + v1Count=v1Count+1; + else if(state_1-state_1_old == -1) + v1Count=v1Count-1; + } + else if(state_1 == 2) + { + if(state_1-state_1_old == 1) + v1Count=v1Count+1; + else if(state_1-state_1_old == -1) + v1Count=v1Count-1; + } + else if(state_1 == 3) + { + if(state_1-state_1_old == 1) + v1Count=v1Count+1; + else if(state_1-state_1_old == -1) + v1Count=v1Count-1; + } + else if(state_1 == 4) + { + if(state_1-state_1_old == 1) + v1Count=v1Count+1; + else if(state_1-state_1_old == 3) + v1Count=v1Count-1; + } + state_1_old = state_1; ////////////////////////////////// @@ -110,7 +209,44 @@ stateB_2 = HallB_2.read(); ///code for state determination/// + if(stateA_2==0&&stateB_2==0){ + state_2 = 1;} + else if(stateA_2==0&&stateB_2==1){ + state_2 = 2;} + else if(stateA_2==1&&stateB_2==1){ + state_2 = 3;} + else if(stateA_2==1&&stateB_2==0){ + state_2 = 4;} + if(state_2 == 1) + { + if(state_2-state_2_old == -3) + v2Count=v2Count+1; + else if(state_2-state_2_old == -1) + v2Count=v2Count-1; + } + else if(state_2 == 2) + { + if(state_2-state_2_old == 1) + v2Count=v2Count+1; + else if(state_2-state_2_old == -1) + v2Count=v2Count-1; + } + else if(state_2 == 3) + { + if(state_2-state_2_old == 1) + v2Count=v2Count+1; + else if(state_2-state_2_old == -1) + v2Count=v2Count-1; + } + else if(state_2 == 4) + { + if(state_2-state_2_old == 1) + v2Count=v2Count+1; + else if(state_2-state_2_old == 3) + v2Count=v2Count-1; + } + state_2_old = state_2; ////////////////////////////////// @@ -152,4 +288,9 @@ stateB_1 = HallB_1.read(); stateA_2 = HallA_2.read(); stateB_2 = HallB_2.read(); +} +void init_err(void) +{ + v1_ierr = 0.0; + v2_ierr = 0.0; } \ No newline at end of file