Lucky Yu / Mbed 2 deprecated SOLamr_base_controller

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Dependencies:   mbed

Encoder/EncoderMspInitF0.cpp@0:534dccd9b32a, 2020-05-17 (annotated)

Committer:
spiderkiller
Date:
Sun May 17 07:03:08 2020 +0000
Revision:
0:534dccd9b32a
good;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
spiderkiller 0:534dccd9b32a 1 #include "mbed.h"
spiderkiller 0:534dccd9b32a 2 /*
spiderkiller 0:534dccd9b32a 3 * HAL_TIM_Encoder_MspInit()
spiderkiller 0:534dccd9b32a 4 * Overrides the __weak function stub in stm32f0xx_hal_tim.h
spiderkiller 0:534dccd9b32a 5 *
spiderkiller 0:534dccd9b32a 6 * Edit the below for your preferred pin wiring & pullup/down
spiderkiller 0:534dccd9b32a 7 * I have encoder common at 3V3, using GPIO_PULLDOWN on inputs.
spiderkiller 0:534dccd9b32a 8 * Encoder A&B outputs connected directly to GPIOs.
spiderkiller 0:534dccd9b32a 9 *
spiderkiller 0:534dccd9b32a 10 * http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00088500.pdf
spiderkiller 0:534dccd9b32a 11 * Table 11 has GPIO alternate function pinout mappings.
spiderkiller 0:534dccd9b32a 12 *
spiderkiller 0:534dccd9b32a 13 * TIM1_CH1: AF2 @ PA_8 - TIM1 used as system ticker under mbed, so unavailable
spiderkiller 0:534dccd9b32a 14 * TIM1_CH2: AF2 @ PA_9
spiderkiller 0:534dccd9b32a 15 *
spiderkiller 0:534dccd9b32a 16 * TIM3_CH1: AF1 @ PA_6, PB_4; AF0 @ PC_6* *only for F030xC devices
spiderkiller 0:534dccd9b32a 17 * TIM3_CH2: AF1 @ PA_7, PB_5; AF0 @ PC_7*
spiderkiller 0:534dccd9b32a 18 *
spiderkiller 0:534dccd9b32a 19 */
spiderkiller 0:534dccd9b32a 20
spiderkiller 0:534dccd9b32a 21 #ifdef TARGET_STM32F0
spiderkiller 0:534dccd9b32a 22 void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef *htim)
spiderkiller 0:534dccd9b32a 23 {
spiderkiller 0:534dccd9b32a 24 GPIO_InitTypeDef GPIO_InitStruct;
spiderkiller 0:534dccd9b32a 25
spiderkiller 0:534dccd9b32a 26 if (htim->Instance == TIM3) { //PB_4 PB_5 = Nucleo D5 D4
spiderkiller 0:534dccd9b32a 27 __TIM3_CLK_ENABLE();
spiderkiller 0:534dccd9b32a 28 __GPIOB_CLK_ENABLE();
spiderkiller 0:534dccd9b32a 29 GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5;
spiderkiller 0:534dccd9b32a 30 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
spiderkiller 0:534dccd9b32a 31 GPIO_InitStruct.Pull = GPIO_PULLDOWN;
spiderkiller 0:534dccd9b32a 32 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
spiderkiller 0:534dccd9b32a 33 GPIO_InitStruct.Alternate = GPIO_AF1_TIM3;
spiderkiller 0:534dccd9b32a 34 HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
spiderkiller 0:534dccd9b32a 35 }
spiderkiller 0:534dccd9b32a 36 }
spiderkiller 0:534dccd9b32a 37 #endif