351 lines
11 KiB
C
351 lines
11 KiB
C
#include "user_spi.h"
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#include "stm32f4xx_hal.h"
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#include "stm32f4xx_hal_gpio_ex.h" // GPIO复用功能定义
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#include "stm32f4xx_hal_spi.h" // SPI外设定义
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#include "stm32f4xx_hal_rcc.h" // RCC时钟定义
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#include "stm32f4xx_hal_def.h" // 基本类型定义
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#include "stm32f4xx_hal_rcc_ex.h" // RCC扩展定义
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#include "stm32f4xx_hal_gpio.h" // GPIO定义
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#include "stm32f4xx_hal_conf.h" // HAL配置
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#include "main.h"
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#include <stdint.h>
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#include <string.h>
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#include "DAC8568.h"
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#include "spi.h"
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// 定义基本类型
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typedef volatile uint32_t __IO;
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// 定义常量
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#define SUCCESS 0
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#define FAILURE -1
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// 定义SPI缓冲区
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static uint8_t spi_rx_buffer[256]; // 接收缓冲区
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// SPI句柄声明
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extern SPI_HandleTypeDef hspi1; // 在spi.c中定义
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extern SPI_HandleTypeDef hspi2; // 在main.c中定义
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extern SPI_HandleTypeDef hspi3; // 在main.c中定义
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// 定义GPIO端口
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// #define GPIOC_BASE (AHB1PERIPH_BASE + 0x0800)
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// #define GPIOB_BASE (AHB1PERIPH_BASE + 0x0400)
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// #define GPIOD_BASE (AHB1PERIPH_BASE + 0x0C00)
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// #define GPIOC ((GPIO_TypeDef *) GPIOC_BASE)
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// #define GPIOB ((GPIO_TypeDef *) GPIOB_BASE)
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// #define GPIOD ((GPIO_TypeDef *) GPIOD_BASE)
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// // 定义SPI外设
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// #define SPI2_BASE (APB1PERIPH_BASE + 0x3800)
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// #define SPI2 ((SPI_TypeDef *) SPI2_BASE)
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// // 定义SPI寄存器位
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// #define SPI_CR1_MSTR_Pos 2
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// #define SPI_CR1_CPOL_Pos 1
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// #define SPI_CR1_CPHA_Pos 0
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// #define SPI_CR1_SSI_Pos 8
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// #define SPI_CR1_SSM_Pos 9
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// #define SPI_CR1_BR_Pos 3
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// #define SPI_CR1_MSTR (1 << SPI_CR1_MSTR_Pos)
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// #define SPI_CR1_CPOL (1 << SPI_CR1_CPOL_Pos)
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// #define SPI_CR1_CPHA (1 << SPI_CR1_CPHA_Pos)
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// #define SPI_CR1_SSI (1 << SPI_CR1_SSI_Pos)
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// #define SPI_CR1_SSM (1 << SPI_CR1_SSM_Pos)
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// #define SPI_CR1_BR_2 (1 << (SPI_CR1_BR_Pos + 2))
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/******************************************************************************/
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/***************************** #defines ***************************************/
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/******************************************************************************/
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#define SPI_BUFFER_SIZE 255
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/******************************************************************************/
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/************************ Variable Declarations *******************************/
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/******************************************************************************/
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// SPI handle declaration
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extern SPI_HandleTypeDef hspi1; // 在spi.c中定义
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/******************************************************************************/
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/************************ Functions Definitions *******************************/
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/******************************************************************************/
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int32_t spi_transmit_receive(SPI_HandleTypeDef *hspi, uint8_t *data_write, uint8_t *data_read, uint8_t bytes_number)
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{
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if (HAL_SPI_TransmitReceive(hspi, data_write, data_read, bytes_number, 1000) != HAL_OK)
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{
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return FAILURE;
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}
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return SUCCESS;
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}
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void ad7124_spi_init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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// Enable GPIO and SPI clocks
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__HAL_RCC_SPI2_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE(); // For MISO and MOSI
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__HAL_RCC_GPIOB_CLK_ENABLE(); // For SCK
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__HAL_RCC_GPIOD_CLK_ENABLE(); // For CS
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// Configure SPI2 pins
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// MISO (PC2) and MOSI (PC3)
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GPIO_InitStruct.Pin = GPIO_PIN_2 | 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; // SPI2 alternate function
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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// SCK (PB10)
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GPIO_InitStruct.Pin = GPIO_PIN_10;
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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; // SPI2 alternate function
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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// CS (PD10) - Configure as output
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GPIO_InitStruct.Pin = GPIO_PIN_10;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP; // Add pull-up to ensure high when not driven
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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// Configure SPI2
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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_HIGH; // CPOL = 1
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hspi2.Init.CLKPhase = SPI_PHASE_2EDGE; // CPHA = 1
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hspi2.Init.NSS = SPI_NSS_SOFT;
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hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_128;
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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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// Double check CS is high after initialization
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HAL_GPIO_WritePin(SPI2_CS_GPIO_Port, SPI2_CS_Pin, GPIO_PIN_SET);//关闭AD7124_CS1
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HAL_GPIO_WritePin(SPI2_CS2_GPIO_Port, SPI2_CS2_Pin, GPIO_PIN_SET);//关闭AD7124_CS2
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HAL_GPIO_WritePin(AD7124_SYNC_GPIO_Port, AD7124_SYNC_Pin, GPIO_PIN_SET);//关闭AD7124_SYNC
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HAL_Delay(1);
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}
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void dac8568_spi_init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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// 使能SPI3和GPIO时钟
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__HAL_RCC_SPI3_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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// 配置SPI3引脚 (PC10-SCK, PC12-MOSI)
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GPIO_InitStruct.Pin = GPIO_PIN_10 | GPIO_PIN_12;
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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_AF6_SPI3;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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// 配置CS引脚 (PD15)
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GPIO_InitStruct.Pin = DAC8568_CS_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP; // 添加上拉
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF6_SPI3;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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// 配置LDAC引脚 (PD14)
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GPIO_InitStruct.Pin = DAC8568_LD_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP; // 添加上拉
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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// 配置SPI3
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hspi3.Instance = SPI3;
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hspi3.Init.Mode = SPI_MODE_MASTER;
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hspi3.Init.Direction = SPI_DIRECTION_2LINES;
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hspi3.Init.DataSize = SPI_DATASIZE_8BIT;
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hspi3.Init.CLKPolarity = SPI_POLARITY_LOW; // CPOL = 0
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hspi3.Init.CLKPhase = SPI_PHASE_1EDGE; // CPHA = 0
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hspi3.Init.NSS = SPI_NSS_SOFT;
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hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8; // 提高SPI速度
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hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi3.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi3.Init.CRCPolynomial = 10;
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if (HAL_SPI_Init(&hspi3) != HAL_OK)
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{
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Error_Handler();
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}
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// 初始化CS和LDAC引脚状态
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HAL_GPIO_WritePin(DAC8568_CS_GPIO_Port, DAC8568_CS_Pin, GPIO_PIN_SET); // CS初始为高电平
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HAL_GPIO_WritePin(DAC8568_LD_GPIO_Port, DAC8568_LD_Pin, GPIO_PIN_RESET); // LDAC初始为低电平
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// 等待一段时间确保DAC8568稳定
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HAL_Delay(10);
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}
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void dac161s997_spi_init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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// Enable clocks
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__HAL_RCC_SPI1_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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// Configure SPI1 pins for DAC161S997
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// SCK (PB3), MISO (PB4), MOSI (PB5)
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GPIO_InitStruct.Pin = DAC1_SCK_Pin | DAC1_MISO_Pin | DAC1_MOSI_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI1; // SPI1 alternate function
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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// CS (PB6) - Configure as output
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GPIO_InitStruct.Pin = DAC1_CS_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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HAL_GPIO_Init(DAC1_CS_GPIO_Port, &GPIO_InitStruct);
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// Ensure CS is high initially
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HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_SET);
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// Configure SPI1 for DAC161S997
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hspi1.Instance = SPI1;
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hspi1.Init.Mode = SPI_MODE_MASTER;
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hspi1.Init.Direction = SPI_DIRECTION_2LINES;
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hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
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hspi1.Init.CLKPolarity = SPI_POLARITY_LOW; // CPOL = 0
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hspi1.Init.CLKPhase = SPI_PHASE_1EDGE; // CPHA = 0
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hspi1.Init.NSS = SPI_NSS_SOFT;
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hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_128; // 适中的时钟频率
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hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi1.Init.CRCPolynomial = 10;
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if (HAL_SPI_Init(&hspi1) != HAL_OK)
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{
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Error_Handler();
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}
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}
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void ad7124_cs_on(void)
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{
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HAL_GPIO_WritePin(SPI2_CS_GPIO_Port, SPI2_CS_Pin, GPIO_PIN_RESET); // 拉低使能AD7124_CS1
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//HAL_GPIO_WritePin(SPI2_CS2_GPIO_Port, SPI2_CS2_Pin, GPIO_PIN_SET); // 拉高关闭AD7124_CS2
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HAL_Delay(1);//延时1ms
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}
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void ad7124_cs_off(void)
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{
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HAL_GPIO_WritePin(SPI2_CS_GPIO_Port, SPI2_CS_Pin, GPIO_PIN_SET); // 拉高关闭AD7124_CS1
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//HAL_GPIO_WritePin(SPI2_CS2_GPIO_Port, SPI2_CS2_Pin, GPIO_PIN_RESET); // 拉低使能AD7124_CS2
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HAL_Delay(1);
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}
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void dac161s997_cs_on(chip_type_e dac_num)
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{
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switch (dac_num)
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{
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case DAC161S997:
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HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC8568:
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//HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_RESET);
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break;
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default:
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break;
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}
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}
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void dac161s997_cs_off(uint8_t dac_num)
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{
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switch (dac_num)
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{
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case DAC161S997:
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HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC8568:
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default:
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break;
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}
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}
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void board_spi_init(chip_type_e chip_type)
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{
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switch(chip_type) {
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case AD7124:
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ad7124_spi_init();
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break;
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case DAC161S997:
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dac161s997_spi_init();
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break;
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default:
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break;
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}
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}
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void board_spi_cs_on(chip_type_e chip_type)
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{
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switch(chip_type) {
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case AD7124:
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HAL_GPIO_WritePin(SPI2_CS_GPIO_Port, SPI2_CS_Pin, GPIO_PIN_RESET); // AD7124_CS1打开
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HAL_Delay(1);
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break;
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case DAC161S997:
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dac161s997_cs_on(DAC161S997);
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break;
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default:
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break;
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}
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}
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void board_spi_cs_off(chip_type_e chip_type)
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{
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switch(chip_type) {
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case AD7124:
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HAL_GPIO_WritePin(SPI2_CS_GPIO_Port, SPI2_CS_Pin, GPIO_PIN_SET); // AD7124_CS1关闭
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HAL_Delay(1);
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break;
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case DAC161S997:
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dac161s997_cs_off(DAC161S997);
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break;
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default:
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break;
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}
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}
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// Add helper function for AD7124 SPI communication
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int32_t ad7124_spi_transmit_receive(uint8_t *data, uint8_t bytes)
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{
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ad7124_cs_on();
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int32_t result = spi_transmit_receive(&hspi2, data, spi_rx_buffer, bytes);
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ad7124_cs_off();
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return result;
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}
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