GERMAN REINA / HAL_QEI_PWM_MBED_PID

NUCLEO-F446RE ENCODER TIMER3 Y TIMER 2 HAL AND PWM. PID PARA UN PENDULO INVERTIDO CON 2 ENCODER DE CUADRATURA

Dependencies:   mbed-dev

Encoder/EncoderMspInitL0.cpp@0:95f924550159, 2016-05-21 (annotated)

Committer:
gereina
Date:
Sat May 21 04:17:35 2016 +0000
Revision:
0:95f924550159
QEI_TIMER2_TIMER_3 OK; PWM MBED; PID

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gereina 0:95f924550159 1 #include "mbed.h"
gereina 0:95f924550159 2 /*
gereina 0:95f924550159 3 * HAL_TIM_Encoder_MspInit()
gereina 0:95f924550159 4 * Overrides the __weak function stub in stm32f4xx_hal_tim.h
gereina 0:95f924550159 5 *
gereina 0:95f924550159 6 * Edit the below for your preferred pin wiring & pullup/down
gereina 0:95f924550159 7 * I have encoder common at 3V3, using GPIO_PULLDOWN on inputs.
gereina 0:95f924550159 8 * Encoder A&B outputs connected directly to GPIOs.
gereina 0:95f924550159 9 *
gereina 0:95f924550159 10 */
gereina 0:95f924550159 11
gereina 0:95f924550159 12 #ifdef TARGET_STM32L0
gereina 0:95f924550159 13 void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef *htim)
gereina 0:95f924550159 14 {
gereina 0:95f924550159 15 GPIO_InitTypeDef GPIO_InitStruct;
gereina 0:95f924550159 16
gereina 0:95f924550159 17 if (htim->Instance == TIM2) { //PA0 PA1 = Nucleo A0 A1
gereina 0:95f924550159 18 __TIM2_CLK_ENABLE();
gereina 0:95f924550159 19 __GPIOA_CLK_ENABLE();
gereina 0:95f924550159 20 GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1;
gereina 0:95f924550159 21 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
gereina 0:95f924550159 22 GPIO_InitStruct.Pull = GPIO_PULLDOWN;
gereina 0:95f924550159 23 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
gereina 0:95f924550159 24 GPIO_InitStruct.Alternate = GPIO_AF1_TIM2;
gereina 0:95f924550159 25 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
gereina 0:95f924550159 26 }
gereina 0:95f924550159 27 }
gereina 0:95f924550159 28 #endif