263 lines
7.9 KiB
C
263 lines
7.9 KiB
C
#include "user_spi.h"
|
|
#include "stm32f4xx_hal.h"
|
|
#include "main.h"
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
|
|
#include "spi.h"
|
|
|
|
// 移除对platform_support.h的依赖
|
|
// 直接在此处定义需要的常量和函数
|
|
#define SUCCESS 0
|
|
#define FAILURE -1
|
|
|
|
// 声明mdelay函数
|
|
static inline void mdelay(uint32_t ms)
|
|
{
|
|
HAL_Delay(ms);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/***************************** #defines ***************************************/
|
|
/******************************************************************************/
|
|
|
|
#define SPI_BUFFER_SIZE 255
|
|
|
|
|
|
/******************************************************************************/
|
|
/************************ Variable Declarations *******************************/
|
|
/******************************************************************************/
|
|
|
|
static uint8_t spi_rx_buffer[SPI_BUFFER_SIZE] = {0};
|
|
|
|
/******************************************************************************/
|
|
/************************ Functions Definitions *******************************/
|
|
/******************************************************************************/
|
|
|
|
|
|
#define SPI_BUFFER_SIZE 255
|
|
|
|
|
|
// SPI handle declaration
|
|
SPI_HandleTypeDef hspi2;
|
|
|
|
// Define return values
|
|
#define SUCCESS 0
|
|
#define FAILURE -1
|
|
|
|
int32_t spi_transmit_receive(SPI_HandleTypeDef *hspi, uint8_t *data_write, uint8_t bytes_number)
|
|
{
|
|
// 使用 HAL_SPI_TransmitReceive 函数进行 SPI 通信
|
|
if (HAL_SPI_TransmitReceive(&hspi2, data_write, (uint8_t *)spi_rx_buffer, bytes_number, 1000) != HAL_OK)
|
|
{
|
|
// 如果通信失败，返回 FAILURE
|
|
return FAILURE;
|
|
}
|
|
/* 将 SPI 接收缓冲区复制到提供的数据缓冲区，以便返回给调用者 */
|
|
memcpy(data_write, spi_rx_buffer, bytes_number);
|
|
// 返回 SUCCESS 表示通信成功
|
|
return SUCCESS;
|
|
}
|
|
|
|
void ad7124_spi_init(void)
|
|
{
|
|
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|
|
|
// Enable GPIO and SPI clocks
|
|
__HAL_RCC_SPI2_CLK_ENABLE();
|
|
__HAL_RCC_GPIOC_CLK_ENABLE(); // For MISO and MOSI
|
|
__HAL_RCC_GPIOB_CLK_ENABLE(); // For SCK
|
|
__HAL_RCC_GPIOD_CLK_ENABLE(); // For CS
|
|
|
|
// Configure SPI2 pins
|
|
// MISO (PC2) and MOSI (PC3)
|
|
GPIO_InitStruct.Pin = GPIO_PIN_2 | GPIO_PIN_3;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
|
GPIO_InitStruct.Alternate = GPIO_AF5_SPI2; // SPI2 alternate function
|
|
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
|
|
|
|
// SCK (PB10)
|
|
GPIO_InitStruct.Pin = GPIO_PIN_10;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
|
GPIO_InitStruct.Alternate = GPIO_AF5_SPI2; // SPI2 alternate function
|
|
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
|
|
|
// CS (PD10) - Configure as output
|
|
GPIO_InitStruct.Pin = GPIO_PIN_10;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
|
GPIO_InitStruct.Pull = GPIO_PULLUP; // Add pull-up to ensure high when not driven
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
|
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
|
|
|
|
// Ensure CS is high before SPI initialization
|
|
|
|
// Configure SPI2 with the working configuration
|
|
hspi2.Instance = SPI2;
|
|
hspi2.Init.Mode = SPI_MODE_MASTER;
|
|
hspi2.Init.Direction = SPI_DIRECTION_2LINES;
|
|
hspi2.Init.DataSize = SPI_DATASIZE_8BIT;
|
|
hspi2.Init.CLKPolarity = SPI_POLARITY_HIGH; // CPOL = 1
|
|
hspi2.Init.CLKPhase = SPI_PHASE_2EDGE; // CPHA = 1
|
|
hspi2.Init.NSS = SPI_NSS_SOFT;
|
|
hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
|
|
hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
|
|
hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
|
|
hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
|
|
hspi2.Init.CRCPolynomial = 10;
|
|
|
|
if (HAL_SPI_Init(&hspi2) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
|
|
// Double check CS is high after initialization
|
|
HAL_GPIO_WritePin(SPI2_CS_GPIO_Port, SPI2_CS_Pin, GPIO_PIN_SET);//关闭AD7124_CS1
|
|
HAL_GPIO_WritePin(SPI2_CS2_GPIO_Port, SPI2_CS2_Pin, GPIO_PIN_SET);//关闭AD7124_CS2
|
|
HAL_GPIO_WritePin(AD7124_SYNC_GPIO_Port, AD7124_SYNC_Pin, GPIO_PIN_SET);//关闭AD7124_SYNC
|
|
HAL_Delay(1);
|
|
}
|
|
|
|
void dac161s997_spi_init(void)
|
|
{
|
|
/* Enable SPI2 clock */
|
|
__HAL_RCC_SPI2_CLK_ENABLE();
|
|
|
|
hspi2.Instance = SPI2;
|
|
hspi2.Init.Mode = SPI_MODE_MASTER;
|
|
hspi2.Init.Direction = SPI_DIRECTION_2LINES;
|
|
hspi2.Init.DataSize = SPI_DATASIZE_8BIT;
|
|
hspi2.Init.CLKPolarity = SPI_POLARITY_LOW;
|
|
hspi2.Init.CLKPhase = SPI_PHASE_1EDGE;
|
|
hspi2.Init.NSS = SPI_NSS_SOFT;
|
|
hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32;
|
|
hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
|
|
hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
|
|
hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
|
|
hspi2.Init.CRCPolynomial = 10;
|
|
if (HAL_SPI_Init(&hspi2) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
}
|
|
|
|
void ad7124_cs_on(void)
|
|
{
|
|
HAL_GPIO_WritePin(SPI2_CS_GPIO_Port, SPI2_CS_Pin, GPIO_PIN_RESET); // 拉低使能AD7124_CS1
|
|
//HAL_GPIO_WritePin(SPI2_CS2_GPIO_Port, SPI2_CS2_Pin, GPIO_PIN_SET); // 拉高关闭AD7124_CS2
|
|
HAL_Delay(1);//延时1ms
|
|
}
|
|
|
|
void ad7124_cs_off(void)
|
|
{
|
|
HAL_GPIO_WritePin(SPI2_CS_GPIO_Port, SPI2_CS_Pin, GPIO_PIN_SET); // 拉高关闭AD7124_CS1
|
|
//HAL_GPIO_WritePin(SPI2_CS2_GPIO_Port, SPI2_CS2_Pin, GPIO_PIN_RESET); // 拉低使能AD7124_CS2
|
|
HAL_Delay(1);
|
|
}
|
|
|
|
void dac161s997_cs_on(chip_type_e dac_num)
|
|
{
|
|
switch (dac_num)
|
|
{
|
|
case DAC161S997_1:
|
|
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_RESET);
|
|
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC2_CS_Pin, GPIO_PIN_SET);
|
|
HAL_GPIO_WritePin(ADC_CS_GPIO_Port, ADC_CS_Pin, GPIO_PIN_SET);
|
|
break;
|
|
case DAC161S997_2:
|
|
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC2_CS_Pin, GPIO_PIN_RESET);
|
|
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_SET);
|
|
HAL_GPIO_WritePin(ADC_CS_GPIO_Port, ADC_CS_Pin, GPIO_PIN_SET);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
void dac161s997_cs_off(uint8_t dac_num)
|
|
{
|
|
switch (dac_num)
|
|
{
|
|
case DAC161S997_1:
|
|
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_SET);
|
|
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC2_CS_Pin, GPIO_PIN_SET);
|
|
HAL_GPIO_WritePin(ADC_CS_GPIO_Port, ADC_CS_Pin, GPIO_PIN_SET);
|
|
break;
|
|
case DAC161S997_2:
|
|
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_SET);
|
|
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC2_CS_Pin, GPIO_PIN_SET);
|
|
HAL_GPIO_WritePin(ADC_CS_GPIO_Port, ADC_CS_Pin, GPIO_PIN_SET);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
void board_spi_init(chip_type_e chip_type)
|
|
{
|
|
switch(chip_type) {
|
|
case AD7124:
|
|
ad7124_spi_init();
|
|
break;
|
|
case DAC161S997_1:
|
|
case DAC161S997_2:
|
|
dac161s997_spi_init();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void board_spi_cs_on(chip_type_e chip_type)
|
|
{
|
|
switch(chip_type) {
|
|
case AD7124:
|
|
HAL_GPIO_WritePin(SPI2_CS_GPIO_Port, SPI2_CS_Pin, GPIO_PIN_RESET); // AD7124_CS1打开
|
|
HAL_Delay(1);
|
|
break;
|
|
case DAC161S997_1:
|
|
dac161s997_cs_on(DAC161S997_1);
|
|
break;
|
|
case DAC161S997_2:
|
|
dac161s997_cs_on(DAC161S997_2);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void board_spi_cs_off(chip_type_e chip_type)
|
|
{
|
|
switch(chip_type) {
|
|
case AD7124:
|
|
HAL_GPIO_WritePin(SPI2_CS_GPIO_Port, SPI2_CS_Pin, GPIO_PIN_SET); // AD7124_CS1关闭
|
|
HAL_Delay(1);
|
|
break;
|
|
case DAC161S997_1:
|
|
dac161s997_cs_off(DAC161S997_1);
|
|
break;
|
|
case DAC161S997_2:
|
|
dac161s997_cs_off(DAC161S997_2);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Add helper function for AD7124 SPI communication
|
|
int32_t ad7124_spi_transmit_receive(uint8_t *data, uint8_t bytes)
|
|
{
|
|
ad7124_cs_on();
|
|
int32_t result = spi_transmit_receive(&hspi2, data, bytes);
|
|
ad7124_cs_off();
|
|
return result;
|
|
}
|
|
|
|
|
|
|
|
|
|
|