A program to monitor some parameters for a motor
Dependencies: mbed-dev BufferSerial
Thanks to David Lowe for https://developer.mbed.org/users/gregeric/code/Nucleo_Hello_Encoder/ which I adapted for the use of TIM2 32bit timer as an encoder reader on the Nucleo L432KC board.
Diff: main.cpp
- Revision:
- 2:958e9094b198
- Parent:
- 1:a611582bffa7
- Child:
- 4:4f115819171f
diff -r a611582bffa7 -r 958e9094b198 main.cpp --- a/main.cpp Wed Mar 08 21:37:30 2017 +0000 +++ b/main.cpp Sat Mar 11 22:56:39 2017 +0000 @@ -21,34 +21,26 @@ #include "mbed.h" #include "Encoder.h" -TIM_Encoder_InitTypeDef encoder1, encoder2; // encoder3, encoder4; -TIM_HandleTypeDef timer1, timer2; // timer3, timer4; +TIM_Encoder_InitTypeDef encoder1, encoder2; +TIM_HandleTypeDef timer1, timer2; int main() { - //examples //counting on A-input only, 2 ticks per cycle, rolls over at 100 EncoderInit(&encoder1, &timer1, TIM1, 0xffff, TIM_ENCODERMODE_TI12); //counting on both A&B inputs, 4 ticks per cycle, full 32-bit count + //For L432KC to work with TIM2 one needs to reassign the system ticker + //from TIM2 to TIM7 in TARGET/../device/hal_tick.h EncoderInit(&encoder2, &timer2, TIM2, 0xffffffff, TIM_ENCODERMODE_TI12); - - //counting on B-input only, 2 ticks per cycle, full 16-bit count - //EncoderInit(&encoder3, &timer3, TIM3, 0xffff, TIM_ENCODERMODE_TI2); - //counting on both A&B inputs, 4 ticks per cycle, full 16-bit count - //EncoderInit(&encoder4, &timer4, TIM4, 0xffff, TIM_ENCODERMODE_TI12); - - //TIM5 is used by mbed for systick - //EncoderInit(encoder2, timer2, TIM5, 0xffffffff, TIM_ENCODERMODE_TI12); - - printf("STM HAL encoder demo\n\r"); + printf("\n\rSTM HAL encoder demo\n\r"); while(1) { - uint16_t count1=0; // count3=0, count4=0; + uint16_t count1=0; uint32_t count2=0; - int8_t dir1, dir2; // dir3, dir4; + int8_t dir1, dir2; //OK 401 411 446 TICKER 030 @@ -63,23 +55,8 @@ count2=__HAL_TIM_GET_COUNTER(&timer2); dir2 = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer2); - //OK 401 411 446 030 - //count3=TIM3->CNT; - //dir3=TIM3->CR1&TIM_CR1_DIR; - //count3=__HAL_TIM_GET_COUNTER(&timer3); - //dir3 = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer3); - - //OK 401 411 446 N/A 030 - //count4=TIM4->CNT; - //dir4=TIM4->CR1&TIM_CR1_DIR; - //count4=__HAL_TIM_GET_COUNTER(&timer4); - //dir4 = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer4); - - //TICKER 401 411 446 N/A 030 -// count5=__HAL_TIM_GET_COUNTER(&timer5); -// dir5 = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer5); printf("%d%s %d%s\r\n", count1, dir1==0 ? "+":"-", count2, dir2==0 ? "+":"-" ); - wait(0.5); + wait(0.1); } }