Yulin Chen / Encoder

test

Dependents:   SOLamr_move_driver

EncoderInit.cpp@0:33aac5ba5a2b, 2021-03-10 (annotated)

Committer:
r08522622
Date:
Wed Mar 10 03:21:19 2021 +0000
Revision:
0:33aac5ba5a2b
test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
r08522622 0:33aac5ba5a2b 1 #include "mbed.h"
r08522622 0:33aac5ba5a2b 2
r08522622 0:33aac5ba5a2b 3 void EncoderInit(TIM_Encoder_InitTypeDef * encoder, TIM_HandleTypeDef * timer, TIM_TypeDef * TIMx, uint32_t maxcount, uint32_t encmode)
r08522622 0:33aac5ba5a2b 4 {
r08522622 0:33aac5ba5a2b 5
r08522622 0:33aac5ba5a2b 6 timer->Instance = TIMx;
r08522622 0:33aac5ba5a2b 7 timer->Init.Period = maxcount;
r08522622 0:33aac5ba5a2b 8 timer->Init.CounterMode = TIM_COUNTERMODE_UP;
r08522622 0:33aac5ba5a2b 9 timer->Init.Prescaler = 0;
r08522622 0:33aac5ba5a2b 10 timer->Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
r08522622 0:33aac5ba5a2b 11
r08522622 0:33aac5ba5a2b 12 encoder->EncoderMode = encmode;
r08522622 0:33aac5ba5a2b 13
r08522622 0:33aac5ba5a2b 14 encoder->IC1Filter = 0x0F;
r08522622 0:33aac5ba5a2b 15 encoder->IC1Polarity = TIM_INPUTCHANNELPOLARITY_RISING;
r08522622 0:33aac5ba5a2b 16 encoder->IC1Prescaler = TIM_ICPSC_DIV4;
r08522622 0:33aac5ba5a2b 17 encoder->IC1Selection = TIM_ICSELECTION_DIRECTTI;
r08522622 0:33aac5ba5a2b 18
r08522622 0:33aac5ba5a2b 19 encoder->IC2Filter = 0x0F;
r08522622 0:33aac5ba5a2b 20 encoder->IC2Polarity = TIM_INPUTCHANNELPOLARITY_FALLING;
r08522622 0:33aac5ba5a2b 21 encoder->IC2Prescaler = TIM_ICPSC_DIV4;
r08522622 0:33aac5ba5a2b 22 encoder->IC2Selection = TIM_ICSELECTION_DIRECTTI;
r08522622 0:33aac5ba5a2b 23
r08522622 0:33aac5ba5a2b 24
r08522622 0:33aac5ba5a2b 25 if (HAL_TIM_Encoder_Init(timer, encoder) != HAL_OK) {
r08522622 0:33aac5ba5a2b 26 printf("Couldn't Init Encoder\r\n");
r08522622 0:33aac5ba5a2b 27 while (1) {}
r08522622 0:33aac5ba5a2b 28 }
r08522622 0:33aac5ba5a2b 29
r08522622 0:33aac5ba5a2b 30 if(HAL_TIM_Encoder_Start(timer,TIM_CHANNEL_1)!=HAL_OK) {
r08522622 0:33aac5ba5a2b 31 printf("Couldn't Start Encoder\r\n");
r08522622 0:33aac5ba5a2b 32 while (1) {}
r08522622 0:33aac5ba5a2b 33 }
r08522622 0:33aac5ba5a2b 34 }
r08522622 0:33aac5ba5a2b 35