本帖最后由 Carry_Yang 于 2024-4-13 20:13 编辑
想跟社区的各位道个歉,收到这个雷达模块后很长一段时间都没有关注社区,甚至忘记了还有这个模块,深感抱歉!
最近一段时间过的浑浑噩噩![](static/image/smiley/default/sad.gif)
模块出厂似乎是手势识别模块,不只是我姿势不对还是什么原因,始终无法在第二位接收到01数据,所以就把它当作测距用了
效果很差 花了半个多小时撸出来的代码,后续研究下怎么把模块刷成精准测距的
贴下主代码
- #include "main.h"
- UART_HandleTypeDef huart1;
- void SystemClock_Config(void);
- static void MX_GPIO_Init(void);
- static void MX_USART1_UART_Init(void);
- #define BUFFER_SIZE 5
- uint8_t rx_buffer[BUFFER_SIZE];
- int main(void)
- {
- HAL_Init();
- SystemClock_Config();
- MX_GPIO_Init();
- MX_USART1_UART_Init();
- HAL_GPIO_WritePin(GPIOC, GPIO_PIN_5, GPIO_PIN_SET);
- uint8_t start_flag = 0;
- uint8_t rx_buffer[5];
- int rx_index;
- while (1)
- {
- if (rx_buffer[0] != 0xAA) {
- memset(rx_buffer, 0, BUFFER_SIZE);
- rx_index = 0;
- }
- // Receive data
- if (HAL_UART_Receive(&huart1, &rx_buffer[rx_index], 1, 100) == HAL_OK) {
- rx_index++;
- // Check for start and stop flag
- if (rx_index == BUFFER_SIZE) {
- if (rx_buffer[0] == 0xAA && rx_buffer[4] == 0x55) {
- // Check condition for PC5
- if (rx_buffer[1] < 0x50) {
- HAL_GPIO_WritePin(GPIOC, GPIO_PIN_5, GPIO_PIN_RESET); // Pull PC5 low
- }
- HAL_Delay(2000);
- HAL_GPIO_WritePin(GPIOC, GPIO_PIN_5, GPIO_PIN_SET); // Pull PC5 high
- }
- rx_index = 0; // Reset index
- }
- }
- }
- }
- /**
- * @brief System Clock Configuration
- * @retval None
- */
- void SystemClock_Config(void)
- {
- RCC_OscInitTypeDef RCC_OscInitStruct = {0};
- RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
- /** Configure the main internal regulator output voltage
- */
- __HAL_RCC_PWR_CLK_ENABLE();
- __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
- /** Initializes the RCC Oscillators according to the specified parameters
- * in the RCC_OscInitTypeDef structure.
- */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
- RCC_OscInitStruct.HSIState = RCC_HSI_ON;
- RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
- RCC_OscInitStruct.PLL.PLLM = 8;
- RCC_OscInitStruct.PLL.PLLN = 168;
- RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
- RCC_OscInitStruct.PLL.PLLQ = 4;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
- {
- Error_Handler();
- }
- /** Initializes the CPU, AHB and APB buses clocks
- */
- RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
- |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
- RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
- {
- Error_Handler();
- }
- }
- /**
- * @brief USART1 Initialization Function
- * @param None
- * @retval None
- */
- static void MX_USART1_UART_Init(void)
- {
- huart1.Instance = USART1;
- huart1.Init.BaudRate = 256000;
- huart1.Init.WordLength = UART_WORDLENGTH_8B;
- huart1.Init.StopBits = UART_STOPBITS_1;
- huart1.Init.Parity = UART_PARITY_NONE;
- huart1.Init.Mode = UART_MODE_TX_RX;
- huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
- huart1.Init.OverSampling = UART_OVERSAMPLING_16;
- if (HAL_UART_Init(&huart1) != HAL_OK)
- {
- Error_Handler();
- }
- }
- static void MX_GPIO_Init(void)
- {
- GPIO_InitTypeDef GPIO_InitStruct = {0};
- /* GPIO Ports Clock Enable */
- __HAL_RCC_GPIOC_CLK_ENABLE();
- __HAL_RCC_GPIOH_CLK_ENABLE();
- __HAL_RCC_GPIOA_CLK_ENABLE();
- /*Configure GPIO pin Output Level */
- HAL_GPIO_WritePin(GPIOC, GPIO_PIN_5, GPIO_PIN_RESET);
- /*Configure GPIO pin : PC5 */
- GPIO_InitStruct.Pin = GPIO_PIN_5;
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
- GPIO_InitStruct.Pull = GPIO_PULLDOWN;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
- HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
- }
- * @brief This function is executed in case of error occurrence.
- * @retval None
- */
- void Error_Handler(void)
- {
- __disable_irq();
- while (1)
- {
- }
- }
- void assert_failed(uint8_t *file, uint32_t line)
- {
- }
- #endif /* USE_FULL_ASSERT */
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