mirror of
https://git.intern.spaceteamaachen.de/ALPAKA/CAN-Demo.git
synced 2025-08-06 14:07:35 +00:00
Just straight up can card module SW
This commit is contained in:
CarlWachter
@@ -49,17 +49,24 @@ void MX_GPIO_Init(void)
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOH_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOE_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
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|GPIO_PIN_6, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOB, GPIO_PIN_12|GPIO_PIN_13, GPIO_PIN_RESET);
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HAL_GPIO_WritePin(GPIOE, GPIO_PIN_12, GPIO_PIN_SET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOE, GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOB, GPIO_PIN_10|GPIO_PIN_12, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOD, GPIO_PIN_8|GPIO_PIN_9, GPIO_PIN_RESET);
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@@ -73,8 +80,15 @@ void MX_GPIO_Init(void)
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/*Configure GPIO pins : PB12 PB13 */
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GPIO_InitStruct.Pin = GPIO_PIN_12|GPIO_PIN_13;
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/*Configure GPIO pins : PE12 PE13 PE14 PE15 */
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GPIO_InitStruct.Pin = GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
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/*Configure GPIO pins : PB10 PB12 */
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GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_12;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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@@ -20,6 +20,7 @@
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#include "main.h"
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#include "cmsis_os.h"
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#include "can.h"
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#include "spi.h"
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#include "usart.h"
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#include "gpio.h"
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@@ -100,6 +101,7 @@ int main(void)
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MX_GPIO_Init();
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MX_CAN1_Init();
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MX_USART1_UART_Init();
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MX_SPI2_Init();
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/* USER CODE BEGIN 2 */
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/*txHeader.DLC = 8;
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129
Core/Src/spi.c
Normal file
129
Core/Src/spi.c
Normal file
@@ -0,0 +1,129 @@
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file spi.c
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* @brief This file provides code for the configuration
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* of the SPI instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2024 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "spi.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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SPI_HandleTypeDef hspi2;
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/* SPI2 init function */
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void MX_SPI2_Init(void)
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{
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/* USER CODE BEGIN SPI2_Init 0 */
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/* USER CODE END SPI2_Init 0 */
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/* USER CODE BEGIN SPI2_Init 1 */
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/* USER CODE END SPI2_Init 1 */
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hspi2.Instance = SPI2;
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hspi2.Init.Mode = SPI_MODE_MASTER;
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hspi2.Init.Direction = SPI_DIRECTION_2LINES;
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hspi2.Init.DataSize = SPI_DATASIZE_8BIT;
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hspi2.Init.CLKPolarity = SPI_POLARITY_LOW;
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hspi2.Init.CLKPhase = SPI_PHASE_1EDGE;
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hspi2.Init.NSS = SPI_NSS_SOFT;
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hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
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hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi2.Init.CRCPolynomial = 10;
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if (HAL_SPI_Init(&hspi2) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN SPI2_Init 2 */
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/* USER CODE END SPI2_Init 2 */
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}
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void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(spiHandle->Instance==SPI2)
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{
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/* USER CODE BEGIN SPI2_MspInit 0 */
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/* USER CODE END SPI2_MspInit 0 */
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/* SPI2 clock enable */
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__HAL_RCC_SPI2_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/**SPI2 GPIO Configuration
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PC3 ------> SPI2_MOSI
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PB13 ------> SPI2_SCK
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PB14 ------> SPI2_MISO
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_3;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* USER CODE BEGIN SPI2_MspInit 1 */
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/* USER CODE END SPI2_MspInit 1 */
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}
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}
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void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
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{
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if(spiHandle->Instance==SPI2)
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{
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/* USER CODE BEGIN SPI2_MspDeInit 0 */
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/* USER CODE END SPI2_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_SPI2_CLK_DISABLE();
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/**SPI2 GPIO Configuration
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PC3 ------> SPI2_MOSI
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PB13 ------> SPI2_SCK
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PB14 ------> SPI2_MISO
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*/
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_3);
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13|GPIO_PIN_14);
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/* USER CODE BEGIN SPI2_MspDeInit 1 */
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/* USER CODE END SPI2_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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@@ -1,128 +1,128 @@
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file stm32f4xx_hal_timebase_tim.c
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* @brief HAL time base based on the hardware TIM.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2024 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f4xx_hal.h"
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#include "stm32f4xx_hal_tim.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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TIM_HandleTypeDef htim1;
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief This function configures the TIM1 as a time base source.
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* The time source is configured to have 1ms time base with a dedicated
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* Tick interrupt priority.
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* @note This function is called automatically at the beginning of program after
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* reset by HAL_Init() or at any time when clock is configured, by HAL_RCC_ClockConfig().
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* @param TickPriority: Tick interrupt priority.
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* @retval HAL status
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*/
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HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
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{
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RCC_ClkInitTypeDef clkconfig;
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uint32_t uwTimclock = 0U;
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uint32_t uwPrescalerValue = 0U;
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uint32_t pFLatency;
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HAL_StatusTypeDef status;
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/* Enable TIM1 clock */
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__HAL_RCC_TIM1_CLK_ENABLE();
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/* Get clock configuration */
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HAL_RCC_GetClockConfig(&clkconfig, &pFLatency);
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/* Compute TIM1 clock */
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uwTimclock = HAL_RCC_GetPCLK2Freq();
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/* Compute the prescaler value to have TIM1 counter clock equal to 1MHz */
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uwPrescalerValue = (uint32_t) ((uwTimclock / 1000000U) - 1U);
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/* Initialize TIM1 */
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htim1.Instance = TIM1;
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/* Initialize TIMx peripheral as follow:
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+ Period = [(TIM1CLK/1000) - 1]. to have a (1/1000) s time base.
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+ Prescaler = (uwTimclock/1000000 - 1) to have a 1MHz counter clock.
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+ ClockDivision = 0
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+ Counter direction = Up
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*/
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htim1.Init.Period = (1000000U / 1000U) - 1U;
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htim1.Init.Prescaler = uwPrescalerValue;
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htim1.Init.ClockDivision = 0;
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htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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status = HAL_TIM_Base_Init(&htim1);
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if (status == HAL_OK)
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{
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/* Start the TIM time Base generation in interrupt mode */
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status = HAL_TIM_Base_Start_IT(&htim1);
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if (status == HAL_OK)
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{
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/* Enable the TIM1 global Interrupt */
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HAL_NVIC_EnableIRQ(TIM1_UP_TIM10_IRQn);
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/* Configure the SysTick IRQ priority */
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if (TickPriority < (1UL << __NVIC_PRIO_BITS))
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{
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/* Configure the TIM IRQ priority */
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HAL_NVIC_SetPriority(TIM1_UP_TIM10_IRQn, TickPriority, 0U);
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uwTickPrio = TickPriority;
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}
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else
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{
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status = HAL_ERROR;
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}
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}
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}
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/* Return function status */
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return status;
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}
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/**
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* @brief Suspend Tick increment.
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* @note Disable the tick increment by disabling TIM1 update interrupt.
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* @param None
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* @retval None
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*/
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void HAL_SuspendTick(void)
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{
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/* Disable TIM1 update Interrupt */
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__HAL_TIM_DISABLE_IT(&htim1, TIM_IT_UPDATE);
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}
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/**
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* @brief Resume Tick increment.
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* @note Enable the tick increment by Enabling TIM1 update interrupt.
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* @param None
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* @retval None
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*/
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void HAL_ResumeTick(void)
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{
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/* Enable TIM1 Update interrupt */
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__HAL_TIM_ENABLE_IT(&htim1, TIM_IT_UPDATE);
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}
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file stm32f4xx_hal_timebase_tim.c
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* @brief HAL time base based on the hardware TIM.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2024 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f4xx_hal.h"
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#include "stm32f4xx_hal_tim.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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TIM_HandleTypeDef htim1;
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief This function configures the TIM1 as a time base source.
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* The time source is configured to have 1ms time base with a dedicated
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* Tick interrupt priority.
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* @note This function is called automatically at the beginning of program after
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* reset by HAL_Init() or at any time when clock is configured, by HAL_RCC_ClockConfig().
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* @param TickPriority: Tick interrupt priority.
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* @retval HAL status
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*/
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HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
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{
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RCC_ClkInitTypeDef clkconfig;
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uint32_t uwTimclock = 0U;
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uint32_t uwPrescalerValue = 0U;
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uint32_t pFLatency;
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HAL_StatusTypeDef status;
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/* Enable TIM1 clock */
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__HAL_RCC_TIM1_CLK_ENABLE();
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/* Get clock configuration */
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HAL_RCC_GetClockConfig(&clkconfig, &pFLatency);
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/* Compute TIM1 clock */
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uwTimclock = HAL_RCC_GetPCLK2Freq();
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/* Compute the prescaler value to have TIM1 counter clock equal to 1MHz */
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uwPrescalerValue = (uint32_t) ((uwTimclock / 1000000U) - 1U);
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/* Initialize TIM1 */
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htim1.Instance = TIM1;
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/* Initialize TIMx peripheral as follow:
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+ Period = [(TIM1CLK/1000) - 1]. to have a (1/1000) s time base.
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+ Prescaler = (uwTimclock/1000000 - 1) to have a 1MHz counter clock.
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+ ClockDivision = 0
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+ Counter direction = Up
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*/
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htim1.Init.Period = (1000000U / 1000U) - 1U;
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htim1.Init.Prescaler = uwPrescalerValue;
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htim1.Init.ClockDivision = 0;
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htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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status = HAL_TIM_Base_Init(&htim1);
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if (status == HAL_OK)
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{
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/* Start the TIM time Base generation in interrupt mode */
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status = HAL_TIM_Base_Start_IT(&htim1);
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if (status == HAL_OK)
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{
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/* Enable the TIM1 global Interrupt */
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HAL_NVIC_EnableIRQ(TIM1_UP_TIM10_IRQn);
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/* Configure the SysTick IRQ priority */
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if (TickPriority < (1UL << __NVIC_PRIO_BITS))
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{
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/* Configure the TIM IRQ priority */
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HAL_NVIC_SetPriority(TIM1_UP_TIM10_IRQn, TickPriority, 0U);
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uwTickPrio = TickPriority;
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}
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else
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{
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status = HAL_ERROR;
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}
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}
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}
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/* Return function status */
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return status;
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}
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/**
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* @brief Suspend Tick increment.
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* @note Disable the tick increment by disabling TIM1 update interrupt.
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* @param None
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* @retval None
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*/
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void HAL_SuspendTick(void)
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{
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/* Disable TIM1 update Interrupt */
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__HAL_TIM_DISABLE_IT(&htim1, TIM_IT_UPDATE);
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}
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/**
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* @brief Resume Tick increment.
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* @note Enable the tick increment by Enabling TIM1 update interrupt.
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* @param None
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* @retval None
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*/
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void HAL_ResumeTick(void)
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{
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/* Enable TIM1 Update interrupt */
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__HAL_TIM_ENABLE_IT(&htim1, TIM_IT_UPDATE);
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}
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