149 lines
4.6 KiB
C
149 lines
4.6 KiB
C
/* USER CODE BEGIN Header */
|
|
/**
|
|
******************************************************************************
|
|
* @file spi.c
|
|
* @brief This file provides code for the configuration
|
|
* of the SPI instances.
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* Copyright (c) 2023 STMicroelectronics.
|
|
* All rights reserved.
|
|
*
|
|
* This software is licensed under terms that can be found in the LICENSE file
|
|
* in the root directory of this software component.
|
|
* If no LICENSE file comes with this software, it is provided AS-IS.
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
/* USER CODE END Header */
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "spi.h"
|
|
|
|
/* USER CODE BEGIN 0 */
|
|
#include "delay.h"
|
|
/* USER CODE END 0 */
|
|
|
|
/* SPI1 init function */
|
|
void MX_SPI1_Init(void)
|
|
{
|
|
|
|
/* USER CODE BEGIN SPI1_Init 0 */
|
|
|
|
/* USER CODE END SPI1_Init 0 */
|
|
|
|
LL_SPI_InitTypeDef SPI_InitStruct = {0};
|
|
|
|
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|
|
|
/* Peripheral clock enable */
|
|
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SPI1);
|
|
|
|
LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOB);
|
|
/**SPI1 GPIO Configuration
|
|
PB3 (JTDO-TRACESWO) ------> SPI1_SCK
|
|
PB4 (NJTRST) ------> SPI1_MISO
|
|
PB5 ------> SPI1_MOSI
|
|
*/
|
|
GPIO_InitStruct.Pin = SPI_CLK_Pin|SPI_MISO_Pin|SPI_MOSI_Pin;
|
|
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
|
|
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
|
|
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
|
|
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
|
|
GPIO_InitStruct.Alternate = LL_GPIO_AF_5;
|
|
LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
|
|
|
/* USER CODE BEGIN SPI1_Init 1 */
|
|
|
|
/* USER CODE END SPI1_Init 1 */
|
|
SPI_InitStruct.TransferDirection = LL_SPI_FULL_DUPLEX;
|
|
SPI_InitStruct.Mode = LL_SPI_MODE_MASTER;
|
|
SPI_InitStruct.DataWidth = LL_SPI_DATAWIDTH_8BIT;
|
|
SPI_InitStruct.ClockPolarity = LL_SPI_POLARITY_HIGH;
|
|
SPI_InitStruct.ClockPhase = LL_SPI_PHASE_2EDGE;
|
|
SPI_InitStruct.NSS = LL_SPI_NSS_SOFT;
|
|
SPI_InitStruct.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV2;
|
|
SPI_InitStruct.BitOrder = LL_SPI_MSB_FIRST;
|
|
SPI_InitStruct.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE;
|
|
SPI_InitStruct.CRCPoly = 7;
|
|
LL_SPI_Init(SPI1, &SPI_InitStruct);
|
|
LL_SPI_SetStandard(SPI1, LL_SPI_PROTOCOL_MOTOROLA);
|
|
LL_SPI_DisableNSSPulseMgt(SPI1);
|
|
/* USER CODE BEGIN SPI1_Init 2 */
|
|
|
|
/* USER CODE END SPI1_Init 2 */
|
|
|
|
}
|
|
/* SPI2 init function */
|
|
void MX_SPI2_Init(void)
|
|
{
|
|
|
|
/* USER CODE BEGIN SPI2_Init 0 */
|
|
|
|
/* USER CODE END SPI2_Init 0 */
|
|
|
|
LL_SPI_InitTypeDef SPI_InitStruct = {0};
|
|
|
|
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|
|
|
/* Peripheral clock enable */
|
|
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_SPI2);
|
|
|
|
LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOB);
|
|
/**SPI2 GPIO Configuration
|
|
PB13 ------> SPI2_SCK
|
|
PB15 ------> SPI2_MOSI
|
|
*/
|
|
GPIO_InitStruct.Pin = LCD_SCK_Pin|LCD_MOSI_Pin;
|
|
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
|
|
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
|
|
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
|
|
GPIO_InitStruct.Pull = LL_GPIO_PULL_UP;
|
|
GPIO_InitStruct.Alternate = LL_GPIO_AF_5;
|
|
LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
|
|
|
/* SPI2 DMA Init */
|
|
|
|
/* SPI2_TX Init */
|
|
LL_DMA_SetPeriphRequest(DMA1, LL_DMA_CHANNEL_5, LL_DMA_REQUEST_1);
|
|
|
|
LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_CHANNEL_5, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
|
|
|
|
LL_DMA_SetChannelPriorityLevel(DMA1, LL_DMA_CHANNEL_5, LL_DMA_PRIORITY_LOW);
|
|
|
|
LL_DMA_SetMode(DMA1, LL_DMA_CHANNEL_5, LL_DMA_MODE_NORMAL);
|
|
|
|
LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_CHANNEL_5, LL_DMA_PERIPH_NOINCREMENT);
|
|
|
|
LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_CHANNEL_5, LL_DMA_MEMORY_INCREMENT);
|
|
|
|
LL_DMA_SetPeriphSize(DMA1, LL_DMA_CHANNEL_5, LL_DMA_PDATAALIGN_BYTE);
|
|
|
|
LL_DMA_SetMemorySize(DMA1, LL_DMA_CHANNEL_5, LL_DMA_MDATAALIGN_BYTE);
|
|
|
|
/* USER CODE BEGIN SPI2_Init 1 */
|
|
|
|
/* USER CODE END SPI2_Init 1 */
|
|
SPI_InitStruct.TransferDirection = LL_SPI_FULL_DUPLEX;
|
|
SPI_InitStruct.Mode = LL_SPI_MODE_MASTER;
|
|
SPI_InitStruct.DataWidth = LL_SPI_DATAWIDTH_8BIT;
|
|
SPI_InitStruct.ClockPolarity = LL_SPI_POLARITY_LOW;
|
|
SPI_InitStruct.ClockPhase = LL_SPI_PHASE_1EDGE;
|
|
SPI_InitStruct.NSS = LL_SPI_NSS_SOFT;
|
|
SPI_InitStruct.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV4;
|
|
SPI_InitStruct.BitOrder = LL_SPI_LSB_FIRST;
|
|
SPI_InitStruct.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE;
|
|
SPI_InitStruct.CRCPoly = 7;
|
|
LL_SPI_Init(SPI2, &SPI_InitStruct);
|
|
LL_SPI_SetStandard(SPI2, LL_SPI_PROTOCOL_MOTOROLA);
|
|
LL_SPI_DisableNSSPulseMgt(SPI2);
|
|
/* USER CODE BEGIN SPI2_Init 2 */
|
|
|
|
/* USER CODE END SPI2_Init 2 */
|
|
|
|
}
|
|
|
|
/* USER CODE BEGIN 1 */
|
|
|
|
/* USER CODE END 1 */
|