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使用NUCLEO-H745ZI-Q准备驱动OV2640 但没有成功得到数据 看到有问题提到DMA连接和DMAMUX的问题 求各位大神指点有什么问题 主函数： /* USER CODE BEGIN Header */ /** ****************************************************************************** * @file : main.c * @brief : Main program body ****************************************************************************** * @attention * * Copyright (c) 2024 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ /* USER CODE END Header */ /* Includes ------------------------------------------------------------------*/ #include "main.h" #include "string.h" #include <stdio.h> /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ #include "ov2640.h" /* USER CODE END Includes */ /* Private typedef -----------------------------------------------------------*/ /* USER CODE BEGIN PTD */ /* USER CODE END PTD */ /* Private define ------------------------------------------------------------*/ /* USER CODE BEGIN PD */ #ifndef HSEM_ID_0 #define HSEM_ID_0 (0U) /* HW semaphore 0*/ #endif /* USER CODE END PD */ /* Private macro -------------------------------------------------------------*/ /* USER CODE BEGIN PM */ /* USER CODE END PM */ /* Private variables ---------------------------------------------------------*/ #if defined ( __ICCARM__ ) /*!< IAR Compiler */ #pragma location=0x30000000 ETH_DMADescTypeDef DMARxDscrTab[ETH_RX_DESC_CNT]; /* Ethernet Rx DMA Descriptors */ #pragma location=0x30000080 ETH_DMADescTypeDef DMATxDscrTab[ETH_TX_DESC_CNT]; /* Ethernet Tx DMA Descriptors */ #elif defined ( __CC_ARM ) /* MDK ARM Compiler */ __attribute__((at(0x30000000))) ETH_DMADescTypeDef DMARxDscrTab[ETH_RX_DESC_CNT]; /* Ethernet Rx DMA Descriptors */ __attribute__((at(0x30000080))) ETH_DMADescTypeDef DMATxDscrTab[ETH_TX_DESC_CNT]; /* Ethernet Tx DMA Descriptors */ #elif defined ( __GNUC__ ) /* GNU Compiler */ ETH_DMADescTypeDef DMARxDscrTab[ETH_RX_DESC_CNT] __attribute__((section(".RxDecripSection"))); /* Ethernet Rx DMA Descriptors */ ETH_DMADescTypeDef DMATxDscrTab[ETH_TX_DESC_CNT] __attribute__((section(".TxDecripSection"))); /* Ethernet Tx DMA Descriptors */ #endif ETH_TxPacketConfig TxConfig; DCMI_HandleTypeDef hdcmi; DMA_HandleTypeDef hdma_dcmi; ETH_HandleTypeDef heth; UART_HandleTypeDef huart3; /* USER CODE BEGIN PV */ HAL_StatusTypeDef dcmi_dma_status = HAL_OK; uint8_t ov2640_verh = 0xff, ov2640_verl=0xff; uint32_t dcmi_data_buff[16000]={1,1,1,2,2,2}; uint32_t DCMI_RN = 0; //row number uint32_t DCMI_CN = 0; //column number uint32_t DCMI_RS = 0; //row start uint32_t DCMI_CS = 0; //column start uint8_t tx_busy = 0; /* USER CODE END PV */ /* Private function prototypes -----------------------------------------------*/ void SystemClock_Config(void); static void MX_GPIO_Init(void); static void MX_DMA_Init(void); static void MX_DCMI_Init(void); static void MX_ETH_Init(void); static void MX_USART3_UART_Init(void); /* USER CODE BEGIN PFP */ /* USER CODE END PFP */ /* Private user code ---------------------------------------------------------*/ /* USER CODE BEGIN 0 */ #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f) PUTCHAR_PROTOTYPE { USART3->TDR = ch; while(!(USART3->ISR& USART_ISR_TXE_TXFNF_Msk)) {;} return ch; } void Send(uint8_t *pData,int jpglen) { uint32_t i = 0; //printf("jpeg data size:%d\r\n",JPEG_BUFFER_LENGTH); HAL_Delay(1000); for(i = 0;i < jpglen;i++) { //printf("%02x\t",pData[i]); printf("%c",pData[i]); } HAL_Delay(1000); printf("\r\n"); } void PY_OV2640_RGB565_CONFIG(void) { /*Camera Interface*/ SCCB_Rst(); //hard reset HAL_Delay(100); SCCB_WR_Reg(0xff, 0x01); //soft reset SCCB_WR_Reg(0x12, 0x80); HAL_Delay(100); ov2640_verh = SCCB_RD_Reg(0x1c); HAL_Delay(50); ov2640_verl = SCCB_RD_Reg(0x1d); HAL_Delay(50); while ((ov2640_verh==0xff)||(ov2640_verl==0xff)) { HAL_UART_Transmit(&huart3, &ov2640_verh, 1, 0xFFFFFF); HAL_Delay(500); HAL_UART_Transmit(&huart3, &ov2640_verl, 1, 0xFFFFFF); HAL_Delay(500); } OV2640_UXGA_Init(); //pix speed adjustment SCCB_WR_Reg(0xff, 0x00); SCCB_WR_Reg(0xd3, 0x00); SCCB_WR_Reg(0XFF, 0X01); SCCB_WR_Reg(0X11, 0x01); OV2640_RGB565_Mode(); OV2640_OutSize_Set(640, 480); HAL_Delay(200); } /* USER CODE END 0 */ /** * @brief The application entry point. * @retval int */ int main(void) { /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /* USER CODE BEGIN Boot_Mode_Sequence_0 */ int32_t timeout; /* USER CODE END Boot_Mode_Sequence_0 */ /* USER CODE BEGIN Boot_Mode_Sequence_1 */ /* Wait until CPU2 boots and enters in stop mode or timeout*/ timeout = 0xFFFF; while((__HAL_RCC_GET_FLAG(RCC_FLAG_D2CKRDY) != RESET) && (timeout-- > 0)); if ( timeout < 0 ) { Error_Handler(); } /* USER CODE END Boot_Mode_Sequence_1 */ /* MCU Configuration--------------------------------------------------------*/ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ HAL_Init(); /* USER CODE BEGIN Init */ /* USER CODE END Init */ /* Configure the system clock */ SystemClock_Config(); /* USER CODE BEGIN Boot_Mode_Sequence_2 */ /* When system initialization is finished, Cortex-M7 will release Cortex-M4 by means of HSEM notification */ /*HW semaphore Clock enable*/ __HAL_RCC_HSEM_CLK_ENABLE(); /*Take HSEM */ HAL_HSEM_FastTake(HSEM_ID_0); /*Release HSEM in order to notify the CPU2(CM4)*/ HAL_HSEM_Release(HSEM_ID_0,0); /* wait until CPU2 wakes up from stop mode */ timeout = 0xFFFF; while((__HAL_RCC_GET_FLAG(RCC_FLAG_D2CKRDY) == RESET) && (timeout-- > 0)); if ( timeout < 0 ) { Error_Handler(); } /* USER CODE END Boot_Mode_Sequence_2 */ /* USER CODE BEGIN SysInit */ /* USER CODE END SysInit */ /* Initialize all configured peripherals */ MX_GPIO_Init(); MX_DMA_Init(); MX_DCMI_Init(); MX_ETH_Init(); MX_USART3_UART_Init(); /* USER CODE BEGIN 2 */ PY_OV2640_RGB565_CONFIG(); /* USER CODE END 2 */ uint8_t id = SCCB_RD_Reg(0x00); printf("id :%did",id); HAL_Delay(10000); /* Infinite loop */ /* USER CODE BEGIN WHILE */ while (1) { /* USER CODE END WHILE */ dcmi_dma_status = HAL_DCMI_Init(&hdcmi); // ??DCMI?? HAL_DCMI_StateTypeDef State = HAL_DCMI_GetState(&hdcmi); uint32_t Error = HAL_DCMI_GetError(&hdcmi); // ??DCMI??????? printf("DCMI State: %ld, Error: %ld\r\n", (long)State, (long)Error); // ??DMA?? HAL_DMA_StateTypeDef DMA_State = HAL_DMA_GetState(&hdma_dcmi); uint32_t DMA_Error = HAL_DMA_GetError(&hdma_dcmi); // ??DMA??????? printf("DMA State: %d, Error: %ld\r\n", DMA_State, (long)DMA_Error); HAL_Delay(10000); for (uint8_t i=0; i<10;i++) { HAL_DCMI_DisableCrop (&hdcmi); DCMI_RN = 48; DCMI_CN = 1280; DCMI_RS = 48*i; DCMI_CS = 0; HAL_DCMI_ConfigCrop (&hdcmi, DCMI_CS, DCMI_RS, DCMI_CN, DCMI_RN); HAL_Delay(1); HAL_DCMI_EnableCrop (&hdcmi); HAL_Delay(1); dcmi_dma_status = HAL_DCMI_Start_DMA(&hdcmi, DCMI_MODE_SNAPSHOT, dcmi_data_buff, DCMI_CN*DCMI_RN/4); while(HAL_DMA_GetState(&hdma_dcmi)==HAL_DMA_STATE_BUSY) ; HAL_DCMI_Stop(&hdcmi); tx_busy = 1; Send((uint8_t *)dcmi_data_buff, 61440); HAL_Delay(1000000); while(tx_busy!=0) ; } } /* USER CODE BEGIN 3 */ } /* USER CODE END 3 */ /** * @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_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3); // ???????????? RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK; RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI; if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) { Error_Handler(); } // ?????? RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; RCC_OscInitStruct.HSEState = RCC_HSE_ON; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; RCC_OscInitStruct.PLL.PLLM = 8; RCC_OscInitStruct.PLL.PLLN = 336; RCC_OscInitStruct.PLL.PLLP = 2; RCC_OscInitStruct.PLL.PLLQ = 7; RCC_OscInitStruct.PLL.PLLR = 2; RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_1; RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE; RCC_OscInitStruct.PLL.PLLFRACN = 0; if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { Error_Handler(); } // ???????????,????????????? RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2 |RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1; RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV1; RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4; RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2; RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2; if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) { Error_Handler(); } HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_HSI, RCC_MCODIV_8); // ???????? RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; RCC_OscInitStruct.HSIState = RCC_HSI_OFF; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { Error_Handler(); } } /** * @brief DCMI Initialization Function * @param None * @retval None */ static void MX_DCMI_Init(void) { /* USER CODE BEGIN DCMI_Init 0 */ /* USER CODE END DCMI_Init 0 */ /* USER CODE BEGIN DCMI_Init 1 */ /* USER CODE END DCMI_Init 1 */ hdcmi.Instance = DCMI; hdcmi.Init.SynchroMode = DCMI_SYNCHRO_HARDWARE; hdcmi.Init.PCKPolarity = DCMI_PCKPOLARITY_RISING; hdcmi.Init.VSPolarity = DCMI_VSPOLARITY_LOW; hdcmi.Init.HSPolarity = DCMI_HSPOLARITY_LOW; hdcmi.Init.CaptureRate = DCMI_CR_ALL_FRAME; hdcmi.Init.ExtendedDataMode = DCMI_EXTEND_DATA_8B; hdcmi.Init.JPEGMode = DCMI_JPEG_ENABLE; hdcmi.Init.ByteSelectMode = DCMI_BSM_ALL; hdcmi.Init.ByteSelectStart = DCMI_OEBS_ODD; hdcmi.Init.LineSelectMode = DCMI_LSM_ALL; hdcmi.Init.LineSelectStart = DCMI_OELS_ODD; if (HAL_DCMI_Init(&hdcmi) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN DCMI_Init 2 */ HAL_DCMI_Init(&hdcmi); /* USER CODE END DCMI_Init 2 */ } /** * @brief ETH Initialization Function * @param None * @retval None */ static void MX_ETH_Init(void) { /* USER CODE BEGIN ETH_Init 0 */ /* USER CODE END ETH_Init 0 */ static uint8_t MACAddr[6]; /* USER CODE BEGIN ETH_Init 1 */ /* USER CODE END ETH_Init 1 */ heth.Instance = ETH; MACAddr[0] = 0x00; MACAddr[1] = 0x80; MACAddr[2] = 0xE1; MACAddr[3] = 0x00; MACAddr[4] = 0x00; MACAddr[5] = 0x00; heth.Init.MACAddr = &MACAddr[0]; heth.Init.MediaInterface = HAL_ETH_RMII_MODE; heth.Init.TxDesc = DMATxDscrTab; heth.Init.RxDesc = DMARxDscrTab; heth.Init.RxBuffLen = 1524; /* USER CODE BEGIN MACADDRESS */ /* USER CODE END MACADDRESS */ if (HAL_ETH_Init(&heth) != HAL_OK) { Error_Handler(); } memset(&TxConfig, 0 , sizeof(ETH_TxPacketConfig)); TxConfig.Attributes = ETH_TX_PACKETS_FEATURES_CSUM | ETH_TX_PACKETS_FEATURES_CRCPAD; TxConfig.ChecksumCtrl = ETH_CHECKSUM_IPHDR_PAYLOAD_INSERT_PHDR_CALC; TxConfig.CRCPadCtrl = ETH_CRC_PAD_INSERT; /* USER CODE BEGIN ETH_Init 2 */ /* USER CODE END ETH_Init 2 */ } /** * @brief USART3 Initialization Function * @param None * @retval None */ static void MX_USART3_UART_Init(void) { /* USER CODE BEGIN USART3_Init 0 */ /* USER CODE END USART3_Init 0 */ /* USER CODE BEGIN USART3_Init 1 */ /* USER CODE END USART3_Init 1 */ huart3.Instance = USART3; huart3.Init.BaudRate = 115200; huart3.Init.WordLength = UART_WORDLENGTH_8B; huart3.Init.StopBits = UART_STOPBITS_1; huart3.Init.Parity = UART_PARITY_NONE; huart3.Init.Mode = UART_MODE_TX_RX; huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart3.Init.OverSampling = UART_OVERSAMPLING_16; huart3.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; huart3.Init.ClockPrescaler = UART_PRESCALER_DIV1; huart3.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; if (HAL_UART_Init(&huart3) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetTxFifoThreshold(&huart3, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetRxFifoThreshold(&huart3, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_DisableFifoMode(&huart3) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN USART3_Init 2 */ /* USER CODE END USART3_Init 2 */ } /** * Enable DMA controller clock */ static void MX_DMA_Init(void) { /* DMA controller clock enable */ __HAL_RCC_DMA1_CLK_ENABLE(); HAL_DMA_Init(&hdma_dcmi) ; /* DMA interrupt init */ /* DMA1_Stream0_IRQn interrupt configuration */ HAL_NVIC_SetPriority(DMA1_Stream0_IRQn, 0, 0); HAL_NVIC_EnableIRQ(DMA1_Stream0_IRQn); } /** * @brief GPIO Initialization Function * @param None * @retval None */ static void MX_GPIO_Init(void) { GPIO_InitTypeDef GPIO_InitStruct = {0}; /* USER CODE BEGIN MX_GPIO_Init_1 */ /* USER CODE END MX_GPIO_Init_1 */ /* GPIO Ports Clock Enable */ __HAL_RCC_GPIOE_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOH_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOG_CLK_ENABLE(); /*Configure GPIO pins : PA11 PA12 */ GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF10_OTG1_FS; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* USER CODE BEGIN MX_GPIO_Init_2 */ /*Configure GPIO pins : PB6 PB7 */ GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_PULLUP; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /*Configure GPIO pins : PD12 PD13 */ GPIO_InitStruct.Pin = GPIO_PIN_12|GPIO_PIN_13; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); OV2640_PWUP; OV2640_RUN; /*Configure GPIO pin : PA8 */ GPIO_InitStruct.Pin = GPIO_PIN_8; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF0_MCO; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* USER CODE END MX_GPIO_Init_2 */ } /* USER CODE BEGIN 4 */ /* USER CODE END 4 */ /** * @brief This function is executed in case of error occurrence. * @retval None */ void Error_Handler(void) { /* USER CODE BEGIN Error_Handler_Debug */ /* User can add his own implementation to report the HAL error return state */ __disable_irq(); while (1) { } /* USER CODE END Error_Handler_Debug */ } #ifdef USE_FULL_ASSERT /** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retval None */ void assert_failed(uint8_t *file, uint32_t line) { /* USER CODE BEGIN 6 */ /* User can add his own implementation to report the file name and line number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ /* USER CODE END 6 */ } #endif /* USE_FULL_ASSERT */ |
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