Modification du la bibliothèque de base
Fork of Encoder_Nucleo_32_bits by
EncoderInit.cpp@0:ebd170807e11, 2016-05-22 (annotated)
- Committer:
- kkoichy
- Date:
- Sun May 22 19:59:18 2016 +0000
- Revision:
- 0:ebd170807e11
V1.0 :; - Objet Encoder_Nucleo_16_bits created, allowing 32bits encoder counting operation, based on a software 32bits counter, using a 16bits TIM with interrupt.; Based on the work of David Lowe
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kkoichy | 0:ebd170807e11 | 1 | #include "mbed.h" |
kkoichy | 0:ebd170807e11 | 2 | |
kkoichy | 0:ebd170807e11 | 3 | void EncoderInit(TIM_Encoder_InitTypeDef * encoder, TIM_HandleTypeDef * timer, TIM_TypeDef * TIMx, uint32_t maxcount, uint32_t encmode) |
kkoichy | 0:ebd170807e11 | 4 | { |
kkoichy | 0:ebd170807e11 | 5 | |
kkoichy | 0:ebd170807e11 | 6 | timer->Instance = TIMx; |
kkoichy | 0:ebd170807e11 | 7 | timer->Init.Period = maxcount; |
kkoichy | 0:ebd170807e11 | 8 | timer->Init.CounterMode = TIM_COUNTERMODE_UP; |
kkoichy | 0:ebd170807e11 | 9 | timer->Init.Prescaler = 0; |
kkoichy | 0:ebd170807e11 | 10 | timer->Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; |
kkoichy | 0:ebd170807e11 | 11 | |
kkoichy | 0:ebd170807e11 | 12 | encoder->EncoderMode = encmode; |
kkoichy | 0:ebd170807e11 | 13 | |
kkoichy | 0:ebd170807e11 | 14 | encoder->IC1Filter = 0x0F; |
kkoichy | 0:ebd170807e11 | 15 | encoder->IC1Polarity = TIM_INPUTCHANNELPOLARITY_RISING; |
kkoichy | 0:ebd170807e11 | 16 | encoder->IC1Prescaler = TIM_ICPSC_DIV4; |
kkoichy | 0:ebd170807e11 | 17 | encoder->IC1Selection = TIM_ICSELECTION_DIRECTTI; |
kkoichy | 0:ebd170807e11 | 18 | |
kkoichy | 0:ebd170807e11 | 19 | encoder->IC2Filter = 0x0F; |
kkoichy | 0:ebd170807e11 | 20 | encoder->IC2Polarity = TIM_INPUTCHANNELPOLARITY_FALLING; |
kkoichy | 0:ebd170807e11 | 21 | encoder->IC2Prescaler = TIM_ICPSC_DIV4; |
kkoichy | 0:ebd170807e11 | 22 | encoder->IC2Selection = TIM_ICSELECTION_DIRECTTI; |
kkoichy | 0:ebd170807e11 | 23 | |
kkoichy | 0:ebd170807e11 | 24 | |
kkoichy | 0:ebd170807e11 | 25 | if (HAL_TIM_Encoder_Init(timer, encoder) != HAL_OK) { |
kkoichy | 0:ebd170807e11 | 26 | printf("Couldn't Init Encoder\r\n"); |
kkoichy | 0:ebd170807e11 | 27 | while (1) {} |
kkoichy | 0:ebd170807e11 | 28 | } |
kkoichy | 0:ebd170807e11 | 29 | |
kkoichy | 0:ebd170807e11 | 30 | if(HAL_TIM_Encoder_Start(timer,TIM_CHANNEL_1)!=HAL_OK) { |
kkoichy | 0:ebd170807e11 | 31 | printf("Couldn't Start Encoder\r\n"); |
kkoichy | 0:ebd170807e11 | 32 | while (1) {} |
kkoichy | 0:ebd170807e11 | 33 | } |
kkoichy | 0:ebd170807e11 | 34 | } |
kkoichy | 0:ebd170807e11 | 35 |