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Dependencies: SPI_TFT_ILI9341 TFT_fonts mbed
Fork of Mandelbrot by
EncoderMspInitF4.cpp
00001 #include "mbed.h" 00002 /* 00003 * HAL_TIM_Encoder_MspInit() 00004 * Overrides the __weak function stub in stm32f4xx_hal_tim.h 00005 * 00006 * Edit the below for your preferred pin wiring & pullup/down 00007 * I have encoder common at 3V3, using GPIO_PULLDOWN on inputs. 00008 * Encoder A&B outputs connected directly to GPIOs. 00009 * 00010 */ 00011 00012 #ifdef TARGET_STM32F4 00013 void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef *htim) 00014 { 00015 GPIO_InitTypeDef GPIO_InitStruct; 00016 00017 if (htim->Instance == TIM1) { //PA8 PA9 = Nucleo D7 D8, poss PB0 PB1 usable too (complementary?) 00018 __TIM1_CLK_ENABLE(); 00019 __GPIOA_CLK_ENABLE(); 00020 GPIO_InitStruct.Pin = GPIO_PIN_8 | GPIO_PIN_9; 00021 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; 00022 GPIO_InitStruct.Pull = GPIO_PULLDOWN; 00023 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; 00024 GPIO_InitStruct.Alternate = GPIO_AF1_TIM1; 00025 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); 00026 } 00027 else if (htim->Instance == TIM2) { //PA0 PA1 = Nucleo A0 A1, PA5 PB3 = D13 D3 poss too 00028 __TIM2_CLK_ENABLE(); 00029 __GPIOA_CLK_ENABLE(); 00030 GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1; 00031 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; 00032 GPIO_InitStruct.Pull = GPIO_PULLDOWN; 00033 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; 00034 GPIO_InitStruct.Alternate = GPIO_AF1_TIM2; 00035 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); 00036 } 00037 else if (htim->Instance == TIM3) { //PB4 PB5 = Nucleo D5 D4, PA6 PA7 & PC6 PC7 also an option for Nucleo 00038 __TIM3_CLK_ENABLE(); 00039 __GPIOB_CLK_ENABLE(); 00040 GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5; 00041 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; 00042 GPIO_InitStruct.Pull = GPIO_PULLDOWN; 00043 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; 00044 GPIO_InitStruct.Alternate = GPIO_AF2_TIM3; 00045 HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); 00046 } 00047 else if (htim->Instance == TIM4) { // PB6 PB7 = Nucleo D10 MORPHO_PB7 00048 __TIM4_CLK_ENABLE(); 00049 __GPIOB_CLK_ENABLE(); 00050 GPIO_InitStruct.Pin = GPIO_PIN_6 | GPIO_PIN_7; 00051 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; 00052 GPIO_InitStruct.Pull = GPIO_PULLDOWN; 00053 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; 00054 GPIO_InitStruct.Alternate = GPIO_AF2_TIM4; 00055 HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); 00056 } 00057 else if (htim->Instance == TIM5) { // here for completeness, mbed sytem timer uses this 00058 __TIM5_CLK_ENABLE(); 00059 __GPIOA_CLK_ENABLE(); 00060 GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1; 00061 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; 00062 GPIO_InitStruct.Pull = GPIO_PULLDOWN; 00063 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; 00064 GPIO_InitStruct.Alternate = GPIO_AF2_TIM5; 00065 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); 00066 } 00067 } 00068 #endif
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