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:
- 4:4f115819171f
- Parent:
- 2:958e9094b198
- Child:
- 5:29372f6cb533
--- a/main.cpp Sat Mar 11 23:07:17 2017 +0000 +++ b/main.cpp Sat May 13 19:04:08 2017 +0000 @@ -21,42 +21,33 @@ #include "mbed.h" #include "Encoder.h" -TIM_Encoder_InitTypeDef encoder1, encoder2; +TIM_Encoder_InitTypeDef encoder1; TIM_HandleTypeDef timer1, timer2; int main() { - - //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); + EncoderInit(&encoder1, &timer2, TIM2, 0xffffffff, TIM_ENCODERMODE_TI12); - printf("\n\rSTM HAL encoder demo\n\r"); + printf("\n\rSTM HAL encoder with ADC and DAC\n\r"); while(1) { - uint16_t count1=0; - uint32_t count2=0; - int8_t dir1, dir2; + uint16_t count2=0; + uint32_t count1=0; + int8_t dir1; - - //OK 401 411 446 TICKER 030 - //count1=TIM1->CNT; - //dir1=TIM1->CR1&TIM_CR1_DIR; - count1= __HAL_TIM_GET_COUNTER(&timer1); - dir1 = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer1); //OK 401 411 446 NOK 030 //count2=TIM2->CNT; //dir2=TIM2->CR1&TIM_CR1_DIR; - count2=__HAL_TIM_GET_COUNTER(&timer2); - dir2 = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer2); + count1=__HAL_TIM_GET_COUNTER(&timer2); + dir1 = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer2); - printf("%d%s %d%s\r\n", count1, dir1==0 ? "+":"-", count2, dir2==0 ? "+":"-" ); + printf("%d%s\r\n", count1, dir1==0 ? "+":"-"); wait(0.1); } }