156 lines
4.4 KiB
C
156 lines
4.4 KiB
C
#include "mcu_init.h"
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uint16_t camera_buffer[OV2640_PIXEL_WIDTH*OV2640_PIXEL_HEIGHT];
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uint8_t frame_flag = 0;
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uint8_t tensor_flag = 0;
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extern DCMI_HandleTypeDef hdcmi;
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int fputc(int ch, FILE *f)
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{
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if (ch == '\n') {
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HAL_UART_Transmit(&hlpuart1, (void *)"\r", 1,30000);
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}
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HAL_UART_Transmit(&hlpuart1, (uint8_t *)&ch, 1, 0xFFFF);
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return ch;
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}
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int _write(int fd, char *ptr, int len)
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{
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(void)HAL_UART_Transmit(&hlpuart1, (uint8_t *)ptr, len, 0xFFFF);
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return len;
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}
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int fgetc(FILE *f)
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{
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/* Place your implementation of fgetc here */
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/* e.g. readwrite a character to the USART2 and Loop until the end of transmission */
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uint8_t ch = 0;
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HAL_UART_Receive(&hlpuart1, &ch, 1,30000);
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return ch;
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}
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void board_init(void)
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{
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HAL_Init();
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SystemClock_Config();
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MX_GPIO_Init();
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MX_DMA_Init();
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MX_LPUART1_UART_Init();
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MX_DCMI_Init();
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MX_I2C1_Init();
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MX_SPI1_Init();
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MX_TIM4_Init();
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LCD_2IN4_Init();
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OV2640_Init();
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OV2640_RGB565_Mode();
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OV2640_OutSize_Set(OV2640_PIXEL_WIDTH,OV2640_PIXEL_HEIGHT);
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__HAL_DCMI_DISABLE_IT(&hdcmi, DCMI_IT_LINE | DCMI_IT_VSYNC);
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if (HAL_DCMI_Start_DMA(&hdcmi, DCMI_MODE_CONTINUOUS, (uint32_t)camera_buffer , (OV2640_PIXEL_WIDTH*OV2640_PIXEL_HEIGHT)/2))
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{
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Error_Handler();
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}
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//setup(); //tensorflow init
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
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/** Initializes the CPU, AHB and APB busses clocks
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
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RCC_OscInitStruct.MSIState = RCC_MSI_ON;
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RCC_OscInitStruct.MSICalibrationValue = 0;
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RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
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RCC_OscInitStruct.PLL.PLLM = 1;
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RCC_OscInitStruct.PLL.PLLN = 40;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
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RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB busses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
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{
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Error_Handler();
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}
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_LPUART1|RCC_PERIPHCLK_USART2|RCC_PERIPHCLK_USART3|RCC_PERIPHCLK_I2C1;
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PeriphClkInit.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_PCLK1;
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PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
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PeriphClkInit.Usart3ClockSelection = RCC_USART3CLKSOURCE_PCLK1;
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PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_PCLK1;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
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{
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Error_Handler();
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}
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/** Configure the main internal regulator output voltage
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*/
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if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/* USER CODE BEGIN 4 */
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void HAL_DCMI_FrameEventCallback(DCMI_HandleTypeDef *hdcmi)
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{
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if(hdcmi->State == 2 && frame_flag != 1){
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frame_flag = 1;
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}
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}
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/* USER CODE END 4 */
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/**
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* @brief This function is executed in case of error occurrence.
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* @retval None
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*/
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void Error_Handler(void)
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{
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/* USER CODE BEGIN Error_Handler_Debug */
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/* User can add his own implementation to report the HAL error return state */
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/* USER CODE END Error_Handler_Debug */
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(char *file, uint32_t line)
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{
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/* USER CODE BEGIN 6 */
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/* User can add his own implementation to report the file name and line number,
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tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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