EncoderInit.cpp

00001 #include "mbed.h"
00002 
00003 void EncoderInit(TIM_Encoder_InitTypeDef encoder, TIM_HandleTypeDef timer, TIM_TypeDef *TIMx, uint32_t maxcount, uint32_t encmode)
00004 {
00005     timer.Instance = TIMx;
00006     timer.Init.Period = maxcount;
00007     timer.Init.CounterMode = TIM_COUNTERMODE_UP;
00008     timer.Init.Prescaler = 0;
00009     timer.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
00010 
00011     encoder.EncoderMode = encmode;
00012 
00013     encoder.IC1Filter = 0x0F;
00014     encoder.IC1Polarity = TIM_INPUTCHANNELPOLARITY_RISING;
00015     encoder.IC1Prescaler = TIM_ICPSC_DIV4;
00016     encoder.IC1Selection = TIM_ICSELECTION_DIRECTTI;
00017 
00018     encoder.IC2Filter = 0x0F;
00019     encoder.IC2Polarity = TIM_INPUTCHANNELPOLARITY_FALLING;
00020     encoder.IC2Prescaler = TIM_ICPSC_DIV4;
00021     encoder.IC2Selection = TIM_ICSELECTION_DIRECTTI;
00022 
00023 
00024     if (HAL_TIM_Encoder_Init(&timer, &encoder) != HAL_OK) {
00025         printf("Couldn't Init Encoder\r\n");
00026         while (1) {}
00027     }
00028 
00029     if(HAL_TIM_Encoder_Start(&timer,TIM_CHANNEL_1)!=HAL_OK) {
00030         printf("Couldn't Start Encoder\r\n");
00031         while (1) {}
00032     }
00033 }
00034