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更新： 

1、电阻输出功能调试完成；
2、问题修复：ads1220和dac7811的SPI配置不同，应该使用不同的初始化程序；
3、电阻输出暂时使用了粗略的校准；
This commit is contained in:
吴俊潮 2025-07-29 17:21:57 +08:00
parent 0acf4df459
commit cd05491dd9
7 changed files with 19578 additions and 23166 deletions
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21
App/ADS1220/ads1220.c
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@ -40,6 +40,7 @@ static void ads1220_cs(cs_state_type state)
static void fun_ads1220_spi1_init(void)
{
// 空闲电平为低，下降沿读取，SPI数据8位
// hspi1.Instance = SPI1;
// hspi1.Init.Mode = SPI_MODE_MASTER;
// hspi1.Init.Direction = SPI_DIRECTION_2LINES;
@ -314,8 +315,8 @@ void ads1220_operation(uint8_t channel, float32 *data_pv)
}
ads1220_cs(CS_L);
//vTaskDelay(10);
HAL_Delay(10);
vTaskDelay(10);
//HAL_Delay(10);
// if (channel == CH2_OUT_CUR)
// {
// ads1220_reset();
@ -340,8 +341,8 @@ void ads1220_operation(uint8_t channel, float32 *data_pv)
// else if (channel == CH10_IN_TC)
// {
ads1220_reset();
HAL_Delay(5);
//vTaskDelay(5);
//HAL_Delay(5);
vTaskDelay(5);
setup_ads1220(
ADS1220_MUX_AIN0_AIN1, // 输入多路复用器配置
ADS1220_OP_MODE_NORMAL, // 工作模式选择
@ -354,14 +355,14 @@ void ads1220_operation(uint8_t channel, float32 *data_pv)
ADS1220_IDAC_CURRENT_OFF, // IDAC电流设置
ADS1220_VREF_EXT_REF0_PINS, // 基准电压选择*
ADS1220_TEMP_SENSOR_OFF); // 温度传感器
//vTaskDelay(5);
HAL_Delay(5);
vTaskDelay(5);
//HAL_Delay(5);
ads1220_start();
HAL_Delay(30);
//vTaskDelay(30);
//HAL_Delay(30);
vTaskDelay(30);
ads1220_get_conversion_data(data_pv);
// }
ads1220_cs(CS_H);
//vTaskDelay(5);
HAL_Delay(5);
vTaskDelay(5);
//HAL_Delay(5);
}

131
App/DAC7811/dac7811.c
View File

@ -10,79 +10,92 @@ BOOL dac7811_spi_init_flag = FALSE;
void fun_dac7811_spi1_init()
{
// hspi1.Instance = SPI1;
// hspi1.Init.Mode = SPI_MODE_MASTER;
// hspi1.Init.Direction = SPI_DIRECTION_2LINES;
// hspi1.Init.DataSize = SPI_DATASIZE_16BIT;
// hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH;
// hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
// hspi1.Init.NSS = SPI_NSS_SOFT;
// hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
// 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();
// }
MX_SPI1_Init();
ADS1220_CS(GPIO_PIN_SET);
DAC7811_CS(GPIO_PIN_RESET);
//空闲电平为高，下降沿读取/写入，SPI数据16位
hspi1.Instance = SPI1;
hspi1.Init.Mode = SPI_MODE_MASTER;
hspi1.Init.Direction = SPI_DIRECTION_2LINES;
hspi1.Init.DataSize = SPI_DATASIZE_16BIT;
hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH;
hspi1.Init.CLKPhase = SPI_PHASE_2EDGE;
hspi1.Init.NSS = SPI_NSS_SOFT;
hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
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();
}
ADS1220_CS(GPIO_PIN_SET);
DAC7811_CS(GPIO_PIN_RESET);
}
void fun_dac7811_operate(float32 *data_sv)
{
if (data_sv == NULL) return;
if (data_sv == NULL) return;
if(*data_sv > 4000)
{
*data_sv = 4000;
}
else if (*data_sv < 0)
{
*data_sv = 0;
}
if(*data_sv > 4000)
{
*data_sv = 4000;
}
else if (*data_sv < 0)
{
*data_sv = 0;
}
float32 temp = *data_sv;
/**********在此处进行电阻输出（Ω）校准，temp为目标值**********/
temp = calibrate_res_ohm_out(temp);
float32 temp = *data_sv;
/**********在此处进行电阻输出（Ω）校准，temp为目标值**********/
temp = calibrate_res_ohm_out(temp);
if(temp > 4000)
{
temp = 4000;
}
else if (temp < 0)
{
temp = 0;
}
mux_signal.sv_calibrated = temp;
/**********************************************************/
if(temp > 4000)
{
temp = 4000;
}
else if (temp < 0)
{
temp = 0;
}
mux_signal.sv_calibrated = temp;
/**********************************************************/
uint16_t reg_data = (uint16_t)(temp);
reg_data |= 0x1000;
reg_data &= 0x1fff;
//实际输出与设定值之间存在倍数关系
if(temp <= 1000)
{
temp /= 1.4f;
}
else if(temp <= 2000)
{
temp /= 1.2f;
}
else if(temp <= 3000)
{
temp /= 1.1f;
}
uint16_t reg_data = (uint16_t)(temp);
reg_data |= 0x1000;
reg_data &= 0x1fff;
if (dac7811_spi_init_flag == FALSE)
{
fun_dac7811_spi1_init();
ads1220_spi_init_flag = FALSE;
dac7811_spi_init_flag = TRUE;
vTaskDelay(10);
}
DAC7811_CS(GPIO_PIN_RESET);
HAL_SPI_Transmit(&hspi1, (uint8_t *)(&reg_data), 1, 1000);
DAC7811_CS(GPIO_PIN_SET);
if (dac7811_spi_init_flag == FALSE)
{
fun_dac7811_spi1_init();
ads1220_spi_init_flag = FALSE;
dac7811_spi_init_flag = TRUE;
}
else
{
DAC7811_CS(GPIO_PIN_RESET);
vTaskDelay(100);
HAL_SPI_Transmit(&hspi1, (uint8_t *)(&reg_data), 1, 1000);
vTaskDelay(100);
DAC7811_CS(GPIO_PIN_SET);
}
}
uint8_t resohm_out_cal_enable = 0;
float32 calibrate_res_ohm_out(float32 raw)
{
float result = 0;
float result = 0;
switch (resohm_out_cal_enable)
{

6
App/HART/hart.h
View File

@ -6,6 +6,12 @@
#define RTS_ON GPIO_PIN_RESET
#define RTS_OFF GPIO_PIN_SET
#define HART_24V_ENABLE HAL_GPIO_WritePin(RS_EN_GPIO_Port, RS_EN_Pin, GPIO_PIN_RESET)
#define HART_24V_DISABLE HAL_GPIO_WritePin(RS_EN_GPIO_Port, RS_EN_Pin, GPIO_PIN_SET)
#define HART_250OHM_ENABLE HAL_GPIO_WritePin(RP_EN_GPIO_Port, RP_EN_Pin, GPIO_PIN_RESET)
#define HART_250OHM_DISABLE HAL_GPIO_WritePin(RP_EN_GPIO_Port, RP_EN_Pin, GPIO_PIN_SET)
void hart_send(UART_HandleTypeDef *huart, uint8_t *data);
void hart_communicate(st_scom *scom);

4
App/MUX_SIGNAL/mux_signal.c
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@ -280,8 +280,8 @@ void mux_signal_switch(st_mux_signal *mux_signal)
break;
case CH4_OUT_RES:
//if(mux_set_flag) fun_dac7811_operate(&mux_signal->data_sv); //设定
fun_dac7811_operate(&mux_signal->data_sv);
if(mux_set_flag) fun_dac7811_operate(&mux_signal->data_sv); //设定
//fun_dac7811_operate(&mux_signal->data_sv);
break;
case CH5_EMPTY:

65
Core/Src/freertos.c
View File

@ -217,33 +217,58 @@ void start_task_hart(void const * argument)
/* Infinite loop */
for (;;)
{
//该任务用于设置HART芯片所需频率、驱动验证
if(tabdata.hart_enable == 1)
if( (fre_set_hart != 460800)&&(tabdata.hart_enable) )
{
if(fre_set_hart != 460800)
{
fre_set_hart = 460800;
frequence_output(fre_set_hart, 50, PWM_HART);
}
//驱动验证，DEVICE <--- HART ---> SIG
if(hart_test == 1)
{
hart_test = 0;
scom1_hart.tx_flag = TRUE;
hart_communicate(&scom1_hart);
}
fre_set_hart = 460800;
frequence_output(fre_set_hart, 50, PWM_HART);
}
else
switch (tabdata.hart_enable)
{
if(fre_set_hart != 0)
case HART_DISABLE:
{
fre_set_hart = 0;
frequence_output(fre_set_hart, 50, PWM_HART);
if(fre_set_hart != 0)
{
fre_set_hart = 0;
frequence_output(fre_set_hart, 50, PWM_HART);
}
}
break;
case HART_LISTEN:
{
HART_24V_DISABLE;
HART_250OHM_DISABLE;
}
break;
case HART_INTERNAL_24V:
{
HART_24V_ENABLE;
HART_250OHM_DISABLE;
}
break;
case HART_INTERNAL_250OHM:
{
HART_250OHM_ENABLE;
HART_24V_DISABLE;
}
break;
default:
break;
}
//驱动验证，DEVICE <--- HART ---> SIG
// if(hart_test == 1)
// {
// hart_test = 0;
// scom1_hart.tx_flag = TRUE;
// hart_communicate(&scom1_hart);
// }
system_sts.hart_stack_consume = HART_STACK_SIZE_WORD - uxTaskGetStackHighWaterMark(NULL);
osDelay(HART_TASK_PERIOD);
}

3637
MDK-ARM/signal_generator.uvguix.吴俊潮
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38880
MDK-ARM/signal_generator/signal_generator.hex
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