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新增DAC161驱动

This commit is contained in:
qiuxin 2025-05-27 16:51:45 +08:00
parent 2fde000d3a
commit 5656a65d40
6 changed files with 154 additions and 89 deletions
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11
Core/Inc/main.h
View File

@ -177,7 +177,6 @@ extern "C"
#define HART1_OCD_EXTI_IRQn EXTI1_IRQn
#define HART1_RX_Pin GPIO_PIN_2
#define HART1_RX_GPIO_Port GPIOD
#define HART2_OCD_Pin GPIO_PIN_3
#define HART2_OCD_GPIO_Port GPIOD
#define HART2_OCD_EXTI_IRQn EXTI3_IRQn
@ -189,10 +188,16 @@ extern "C"
#define HART2_RX_GPIO_Port GPIOD
#define HART2_RST_Pin GPIO_PIN_7
#define HART2_RST_GPIO_Port GPIOD
#define DAC1_CS_Pin GPIO_PIN_6
#define DAC1_CS_GPIO_Port GPIOB
#define DAC2_CS_Pin GPIO_PIN_7
#define DAC2_CS_GPIO_Port GPIOB
#define DAC1_SCK_Pin GPIO_PIN_3
#define DAC1_SCK_GPIO_Port GPIOB
#define DAC1_MOSI_Pin GPIO_PIN_5
#define DAC1_MOSI_GPIO_Port GPIOB
#define DAC1_MISO_Pin GPIO_PIN_4
#define DAC1_MISO_GPIO_Port GPIOB
#define ADC_CS_Pin GPIO_PIN_0
#define ADC_CS_GPIO_Port GPIOE
/* PCBA测试盒AD7124同步信号引脚定义 */

82
Core/Src/freertos.c
View File

@ -75,6 +75,7 @@ osThreadId ec11_taskHandle;
osThreadId ad7124_test_taskHandle;
osThreadId usart6_test_taskHandle; // 添加USART6测试任务句柄
osThreadId tca6416_taskHandle; // 添加TCA6416任务句柄
osThreadId dac161s997_test_taskHandle; // 添加DAC161S997测试任务句柄
// 添加调试变量
static volatile uint32_t uart6_dr_raw = 0; // UART数据寄存器的原始值
@ -143,6 +144,7 @@ extern void tcp_abort(struct tcp_pcb *pcb);
void start_usart6_test_task(void const *argument); // 添加USART6测试任务函数声明
void start_tca6416_task(void const *argument); // 添加TCA6416任务函数声明
void test_tca6416_task(void const *argument); // 添加TCA6416测试任务函数声明
void start_dac161s997_test_task(void const *argument); // 添加DAC161S997测试任务函数声明
/* USER CODE END FunctionPrototypes */
void start_tcp_task(void const *argument);
@ -244,6 +246,10 @@ void MX_FREERTOS_Init(void)
osThreadDef(tca6416_task, test_tca6416_task, osPriorityNormal, 0, 128);
tca6416_taskHandle = osThreadCreate(osThread(tca6416_task), NULL);
/* DAC161S997测试任务 */
osThreadDef(dac161s997_test_task, start_dac161s997_test_task, osPriorityNormal, 0, 128);
dac161s997_test_taskHandle = osThreadCreate(osThread(dac161s997_test_task), NULL);
/* USER CODE BEGIN RTOS_THREADS */
/* add threads, ... */
/* USER CODE END RTOS_THREADS */
@ -343,29 +349,6 @@ void start_led_toggle_task(void const *argument)
/* USER CODE END start_led_toggle_task */
}
/* USER CODE BEGIN Header_start_dac_task */
/**
* @brief Function implementing the dac_task thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_start_dac_task */
void start_dac_task(void const *argument)
{
/* USER CODE BEGIN start_dac_task */
dac161s997_init();
/* Infinite loop */
for (;;)
{
osThreadSuspend(adc_taskHandle); // 暂停ADC任务，防止DAC采集时产生干????????,因为ADC和DAC采用的是同一路SPI，但是时序不????????
dac161s997_output(DAC161S997_1, current_buff[0]);
dac161s997_output(DAC161S997_2, current_buff[1]);
osThreadResume(adc_taskHandle);
vTaskDelay(100);
}
/* USER CODE END start_dac_task */
}
/* USER CODE BEGIN Header_start_adc_task */
/**
* @brief ADC任务函数实现
@ -788,4 +771,57 @@ void test_tca6416_task(void const *argument)
osDelay(800);
}
/* USER CODE END test_tca6416_task */
}
/* USER CODE BEGIN Header_start_dac161s997_test_task */
/**
* @brief Function implementing the dac161s997_test_task thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_start_dac161s997_test_task */
void start_dac161s997_test_task(void const *argument)
{
/* USER CODE BEGIN start_dac161s997_test_task */
float test_current = 4.0f; // 起始电流4mA
float current_step = 0.5f; // 每次增加0.5mA
uint8_t direction = 1; // 1表示递增，0表示递减
// 等待系统稳定
osDelay(1000);
// 初始化DAC161S997
dac161s997_init();
/* Infinite loop */
for(;;)
{
// 只输出到DAC1（因为只有一块DAC161S997）
dac161s997_output(DAC161S997, test_current);
osDelay(200);
// 更新电流值
if (direction == 1)
{
test_current += current_step;
if (test_current >= 20.0f) // 达到20mA时开始递减
{
test_current = 20.0f;
direction = 0;
}
}
else
{
test_current -= current_step;
if (test_current <= 4.0f) // 达到4mA时开始递增
{
test_current = 4.0f;
direction = 1;
}
}
// 每个周期延时1秒
osDelay(800);
}
/* USER CODE END start_dac161s997_test_task */
}

38
User/driver/dac161s997.c
View File

@ -10,16 +10,16 @@
* @param reg 要写入的寄存器地址
* @param data 要写入的数据，16位
*/
void dac161s997_write_reg(chip_type_e dac_num, uint8_t reg, uint16_t data)
void dac161s997_write_reg(uint8_t dac_num, uint8_t reg, uint16_t data)
{
uint8_t data_buffer[3] = {0, 0, 0};
data_buffer[0] = reg;
data_buffer[1] = data >> 8;
data_buffer[2] = data;
board_spi_init(dac_num); // 初始化SPI，因为ADC芯片也用SPI1，但是时序不同
board_spi_cs_on(dac_num);
spi_transmit_receive(&hspi1, data_buffer, 3);
board_spi_cs_off(dac_num);
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_RESET); // CS拉低
HAL_SPI_Transmit(&hspi1, data_buffer, 3, 1000);
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_SET); // CS拉高
}
/**
@ -27,11 +27,19 @@ void dac161s997_write_reg(chip_type_e dac_num, uint8_t reg, uint16_t data)
*/
void dac161s997_init(void)
{
dac161s997_write_reg(DAC161S997_1, DAC161S997_ERR_LOW_REG, 0xFFFF);
dac161s997_write_reg(DAC161S997_1, DAC161S997_ERR_CONFIG_REG, 0x070E);
dac161s997_write_reg(DAC161S997_2, DAC161S997_ERR_LOW_REG, 0xFFFF);
dac161s997_write_reg(DAC161S997_2, DAC161S997_ERR_CONFIG_REG, 0x070E);
// 初始化CS引脚
GPIO_InitTypeDef GPIO_InitStruct = {0};
__HAL_RCC_GPIOB_CLK_ENABLE();
GPIO_InitStruct.Pin = DAC1_CS_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
HAL_GPIO_Init(DAC1_CS_GPIO_Port, &GPIO_InitStruct);
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_SET);
// 初始化DAC161S997芯片寄存器
dac161s997_write_reg(1, DAC161S997_ERR_LOW_REG, 0xFFFF);
dac161s997_write_reg(1, DAC161S997_ERR_CONFIG_REG, 0x070E);
}
/**
@ -42,15 +50,15 @@ void dac161s997_init(void)
* @param dac_num DAC芯片类型
* @param current 需要设置的电流值，单位：毫安
*/
void dac161s997_output(chip_type_e dac_num, float current)
void dac161s997_output(uint8_t dac_num, float current)
{
uint32_t dac_code = (uint32_t)((current * 65535.0f) / 24.0f);
uint8_t data_buffer[3] = {0, 0, 0};
data_buffer[0] = DAC161S997_DACCODE_REG;
data_buffer[1] = dac_code >> 8;
data_buffer[2] = dac_code;
board_spi_init(dac_num); // 初始化SPI，因为ADC芯片也用SPI1，但是时序不同
board_spi_cs_on(dac_num);
spi_transmit_receive(&hspi1, data_buffer, 3);
board_spi_cs_off(dac_num);
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_RESET); // CS拉低
HAL_SPI_Transmit(&hspi1, data_buffer, 3, 1000);
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_SET); // CS拉高
}

3
User/driver/dac161s997.h
View File

@ -25,4 +25,7 @@ uint16_t dac161s997_read(uint8_t reg);
extern void dac161s997_init(void);
extern void dac161s997_output(uint8_t dac_num, float current);
// 定义DAC芯片编号（只有一块DAC161S997）
#define DAC161S997 1
#endif

104
User/system/user_spi.c
View File

@ -41,6 +41,7 @@ static uint8_t spi_rx_buffer[SPI_BUFFER_SIZE] = {0};
// SPI handle declaration
extern SPI_HandleTypeDef hspi1; // 在spi.c中定义
SPI_HandleTypeDef hspi2;
// Define return values
@ -125,25 +126,51 @@ void ad7124_spi_init(void)
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();
}
GPIO_InitTypeDef GPIO_InitStruct = {0};
// Enable clocks
__HAL_RCC_SPI1_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
// Configure SPI1 pins for DAC161S997
// SCK (PB3), MISO (PB4), MOSI (PB5)
GPIO_InitStruct.Pin = DAC1_SCK_Pin | DAC1_MISO_Pin | DAC1_MOSI_Pin;
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_SPI1; // SPI1 alternate function
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
// CS (PB6) - Configure as output
GPIO_InitStruct.Pin = DAC1_CS_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
HAL_GPIO_Init(DAC1_CS_GPIO_Port, &GPIO_InitStruct);
// Ensure CS is high initially
HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_SET);
// Configure SPI1 for DAC161S997
hspi1.Instance = SPI1;
hspi1.Init.Mode = SPI_MODE_MASTER;
hspi1.Init.Direction = SPI_DIRECTION_2LINES;
hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
hspi1.Init.CLKPolarity = SPI_POLARITY_LOW; // CPOL = 0
hspi1.Init.CLKPhase = SPI_PHASE_1EDGE; // CPHA = 0
hspi1.Init.NSS = SPI_NSS_SOFT;
hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32; // 适中的时钟频率
hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
hspi1.Init.CRCPolynomial = 10;
if (HAL_SPI_Init(&hspi1) != HAL_OK)
{
Error_Handler();
}
HAL_Delay(1);
}
void ad7124_cs_on(void)
@ -164,16 +191,14 @@ void dac161s997_cs_on(chip_type_e dac_num)
{
switch (dac_num)
{
case DAC161S997_1:
case DAC161S997:
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);
case DAC8568:
//HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_RESET);
break;
default:
break;
}
@ -182,16 +207,10 @@ void dac161s997_cs_off(uint8_t dac_num)
{
switch (dac_num)
{
case DAC161S997_1:
case DAC161S997:
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;
case DAC8568:
default:
break;
}
@ -202,8 +221,7 @@ void board_spi_init(chip_type_e chip_type)
case AD7124:
ad7124_spi_init();
break;
case DAC161S997_1:
case DAC161S997_2:
case DAC161S997:
dac161s997_spi_init();
break;
default:
@ -218,11 +236,8 @@ void board_spi_cs_on(chip_type_e chip_type)
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);
case DAC161S997:
dac161s997_cs_on(DAC161S997);
break;
default:
break;
@ -236,11 +251,8 @@ void board_spi_cs_off(chip_type_e chip_type)
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);
case DAC161S997:
dac161s997_cs_off(DAC161S997);
break;
default:
break;

5
User/system/user_spi.h
View File

@ -8,11 +8,12 @@
typedef enum
{
AD7124 = 0,
DAC161S997_1 = 1,
DAC161S997_2 = 2,
DAC161S997 = 1,
DAC8568 = 2,
} chip_type_e; // 芯片类型
extern int32_t spi_transmit_receive(SPI_HandleTypeDef *hspi, uint8_t *data_write, uint8_t bytes_number);
extern SPI_HandleTypeDef hspi1;
extern SPI_HandleTypeDef hspi2;
extern void board_spi_init(chip_type_e chip_type);
extern void board_spi_cs_on(chip_type_e chip_type);