Dependents:   serial_connected_mcu_nucleo rotary_encoder_mbed serial_connected_mcu_nucleo omuni_speed_pid ... more

Fork of rotary_encoder by tarou yamada

このライブラリは以下のプログラムに基いています https://developer.mbed.org/users/gregeric/code/Nucleo_Hello_Encoder/

Committer:
inst
Date:
Sat Jun 25 05:40:31 2016 +0000
Revision:
10:684e1604e5ea
Parent:
9:d1e6284a13ab
add read() to rotary_encoder;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
inst 9:d1e6284a13ab 1 #include "mbed.h"
inst 9:d1e6284a13ab 2 /*
inst 9:d1e6284a13ab 3 * HAL_TIM_Encoder_MspInit()
inst 9:d1e6284a13ab 4 * Overrides the __weak function stub in stm32f0xx_hal_tim.h
inst 9:d1e6284a13ab 5 *
inst 9:d1e6284a13ab 6 * Edit the below for your preferred pin wiring & pullup/down
inst 9:d1e6284a13ab 7 * I have encoder common at 3V3, using GPIO_PULLDOWN on inputs.
inst 9:d1e6284a13ab 8 * Encoder A&B outputs connected directly to GPIOs.
inst 9:d1e6284a13ab 9 *
inst 9:d1e6284a13ab 10 * http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00088500.pdf
inst 9:d1e6284a13ab 11 * Table 11 has GPIO alternate function pinout mappings.
inst 9:d1e6284a13ab 12 *
inst 9:d1e6284a13ab 13 * TIM1_CH1: AF2 @ PA_8 - TIM1 used as system ticker under mbed, so unavailable
inst 9:d1e6284a13ab 14 * TIM1_CH2: AF2 @ PA_9
inst 9:d1e6284a13ab 15 *
inst 9:d1e6284a13ab 16 * TIM3_CH1: AF1 @ PA_6, PB_4; AF0 @ PC_6* *only for F030xC devices
inst 9:d1e6284a13ab 17 * TIM3_CH2: AF1 @ PA_7, PB_5; AF0 @ PC_7*
inst 9:d1e6284a13ab 18 *
inst 9:d1e6284a13ab 19 */
inst 9:d1e6284a13ab 20
inst 9:d1e6284a13ab 21 #ifdef TARGET_STM32F0
inst 9:d1e6284a13ab 22 void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef *htim)
inst 9:d1e6284a13ab 23 {
inst 9:d1e6284a13ab 24 GPIO_InitTypeDef GPIO_InitStruct;
inst 9:d1e6284a13ab 25
inst 9:d1e6284a13ab 26 if (htim->Instance == TIM3) { //PB_4 PB_5 = Nucleo D5 D4
inst 9:d1e6284a13ab 27 __TIM3_CLK_ENABLE();
inst 9:d1e6284a13ab 28 __GPIOB_CLK_ENABLE();
inst 9:d1e6284a13ab 29 GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5;
inst 9:d1e6284a13ab 30 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
inst 9:d1e6284a13ab 31 GPIO_InitStruct.Pull = GPIO_PULLDOWN;
inst 9:d1e6284a13ab 32 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
inst 9:d1e6284a13ab 33 GPIO_InitStruct.Alternate = GPIO_AF1_TIM3;
inst 9:d1e6284a13ab 34 HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
inst 9:d1e6284a13ab 35 }
inst 9:d1e6284a13ab 36 }
inst 9:d1e6284a13ab 37 #endif