bartool/stm32g474_dac_dma_demo
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dac to adc test

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bartool
2023-12-14 21:32:33 +01:00
parent 9c2f914740
commit e840c1f931
22 changed files with 20707 additions and 58 deletions
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54
Core/Src/main.c
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@@ -18,6 +18,7 @@
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "adc.h"
#include "dac.h"
#include "dma.h"
#include "usart.h"
@@ -27,7 +28,7 @@
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "printf.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
@@ -37,7 +38,8 @@
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
#define DAC_LENGHT 16
#define DAC_LENGHT 1024
#define ADC_LENGHT ADC_PULSES
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
@@ -48,9 +50,11 @@
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
volatile uint8_t dac_no;
volatile uint32_t soft_timer, data_ready;
uint8_t uart_data[32];
uint16_t dac_data_ch1[DAC_LENGHT];
uint16_t dac_data_ch2[DAC_LENGHT];
uint16_t adc_data[ADC_LENGHT];
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
@@ -98,6 +102,8 @@ int main(void)
MX_LPUART1_UART_Init();
MX_OPAMP4_Init();
MX_TIM7_Init();
MX_ADC1_Init();
MX_TIM20_Init();
/* Initialize interrupts */
MX_NVIC_Init();
@@ -116,32 +122,47 @@ int main(void)
}
}
htim7.Instance->PSC = 0;
htim7.Instance->ARR = 84;
HAL_DAC_Start_DMA(&hdac4, DAC_CHANNEL_1, (uint32_t *)dac_data_ch1, DAC_LENGHT, DAC_ALIGN_12B_R);
HAL_ADC_Start_DMA(&hadc1, (uint32_t *)adc_data, ADC_LENGHT);
// HAL_DAC_Start_DMA(&hdac4, DAC_CHANNEL_2, (uint32_t *)dac_data_ch2, DAC_LENGHT, DAC_ALIGN_12B_R);
// HAL_DAC_Start(&hdac4, DAC_CHANNEL_1);
// HAL_DAC_Start(&hdac4, DAC_CHANNEL_2);
HAL_OPAMP_Start(&hopamp4);
// HAL_OPAMP_Start(&hopamp5);
HAL_TIM_Base_Start_IT(&htim7);
HAL_TIM_OnePulse_Start(&htim20, TIM_CHANNEL_1);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
uint8_t i = 0;
int8_t count = 0;
while (1)
{
// HAL_DAC_SetValue(&hdac4, DAC_CHANNEL_1, DAC_ALIGN_12B_R, dac_data_ch1[i]);
// HAL_DAC_SetValue(&hdac4, DAC_CHANNEL_2, DAC_ALIGN_12B_R, dac_data_ch1[i++]);
if (i >= DAC_LENGHT)
if (data_ready)
{
i = 0;
HAL_UART_Transmit(&hlpuart1, (uint8_t *)"*******************************\n", 32, HAL_MAX_DELAY);
for (size_t i = 0; i < ADC_LENGHT; i++)
{
count = snprintf((char *)uart_data, 32, "%u, %u\n", i, adc_data[i]);
if (count < 0 || count >= 32)
{
Error_Handler();
}
HAL_UART_Transmit(&hlpuart1, uart_data, count, HAL_MAX_DELAY);
adc_data[i] = 0;
}
HAL_UART_Transmit(&hlpuart1, (uint8_t *)"*******************************\n", 32, HAL_MAX_DELAY);
}
// HAL_GPIO_TogglePin(LD2_GPIO_Port, LD2_Pin);
HAL_Delay(1000);
htim7.Instance->PSC = 100;
htim7.Instance->ARR = 170;
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
@@ -207,14 +228,23 @@ static void MX_NVIC_Init(void)
/* USER CODE BEGIN 4 */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
HAL_GPIO_TogglePin(LD2_GPIO_Port, LD2_Pin);
if (htim->Instance == TIM7)
{
HAL_GPIO_TogglePin(LD2_GPIO_Port, LD2_Pin);
}
}
void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef *hdac)
void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef *hadc)
{
if (hdac->Instance == DAC4)
data_ready++;
}
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if (GPIO_Pin == B1_Pin && soft_timer + 50 < HAL_GetTick())
{
dac_no = 1;
soft_timer = HAL_GetTick();
__HAL_TIM_ENABLE(&htim20);
}
}
/* USER CODE END 4 */