免费营销网站制作,企业网站建设技巧,wordpress修改页面标题显示不出来,网站如何做IPV6支持1.配置外部高速晶振 2.勾选USB功能 3.将USB模式配置Virtual Port Com 4.将系统主频配置为72M,USB频率配置为48M. 5.配置好项目名称#xff0c;开发环境#xff0c;最后获取代码。 6.修改Flash大小和勾选Use Micro LIB 7.修改main.c代码
#include main.h
#includ… 1.配置外部高速晶振 2.勾选USB功能 3.将USB模式配置Virtual Port Com 4.将系统主频配置为72M,USB频率配置为48M. 5.配置好项目名称开发环境最后获取代码。 6.修改Flash大小和勾选Use Micro LIB 7.修改main.c代码
#include main.h
#include usart.h
#include usb_device.h
#include gpio.h
#include Update.hvoid SystemClock_Config(void);typedef void (*pFunction)(void);
pFunction Jump_To_Application;
uint32_t JumpAddress;void Jump_To_App(uint32_t address)
{if (((*(__IO uint32_t*)address) 0x2FFE0000) 0x20000000){JumpAddress *(__IO uint32_t*) (address 4);Jump_To_Application (pFunction) JumpAddress;__set_MSP(*(__IO uint32_t*) address);Jump_To_Application();}
}int main(void)
{uint8_t R_Buff[1] {0};HAL_Init();SystemClock_Config();MX_GPIO_Init();MX_USART1_UART_Init();MX_USB_DEVICE_Init();printf(STM32F103 Boot Code Start\r\n);Read_Flash_Data(R_Buff, 1, FLASH_Updata_Flag_ADDR);printf(Bootloader R_Buff 0x%x\r\n, R_Buff[0]);while (1){if(R_Buff[0] 0x55){printf(Jump_To_App %x\r\n, FLASH_APP_ADDR);Jump_To_App(FLASH_APP_ADDR);}else{Usart_Data_Handler();}}/* USER CODE END 3 */
}/*** brief System Clock Configuration* retval None*/
void SystemClock_Config(void)
{RCC_OscInitTypeDef RCC_OscInitStruct {0};RCC_ClkInitTypeDef RCC_ClkInitStruct {0};RCC_PeriphCLKInitTypeDef PeriphClkInit {0};/** Initializes the RCC Oscillators according to the specified parameters* in the RCC_OscInitTypeDef structure.*/RCC_OscInitStruct.OscillatorType RCC_OSCILLATORTYPE_HSE;RCC_OscInitStruct.HSEState RCC_HSE_ON;RCC_OscInitStruct.HSEPredivValue RCC_HSE_PREDIV_DIV1;RCC_OscInitStruct.HSIState RCC_HSI_ON;RCC_OscInitStruct.PLL.PLLState RCC_PLL_ON;RCC_OscInitStruct.PLL.PLLSource RCC_PLLSOURCE_HSE;RCC_OscInitStruct.PLL.PLLMUL RCC_PLL_MUL9;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_DIV2;RCC_ClkInitStruct.APB2CLKDivider RCC_HCLK_DIV1;if (HAL_RCC_ClockConfig(RCC_ClkInitStruct, FLASH_LATENCY_2) ! HAL_OK){Error_Handler();}PeriphClkInit.PeriphClockSelection RCC_PERIPHCLK_USB;PeriphClkInit.UsbClockSelection RCC_USBCLKSOURCE_PLL_DIV1_5;if (HAL_RCCEx_PeriphCLKConfig(PeriphClkInit) ! HAL_OK){Error_Handler();}
}/* 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 *//* 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,tex: printf(Wrong parameters value: file %s on line %d\r\n, file, line) *//* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT *//************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/Update.c代码
#include Update.huint32_t PageError 0;void Write_Flash(uint8_t *data, uint16_t DataLen, uint32_t Addr)
{uint16_t i 0;uint64_t Data 0;uint64_t temp 0;HAL_FLASH_Unlock();for(i 0; i DataLen; i 8){Data 0; for(uint8_t j 0; j 8; j){temp data[i j];Data | temp 8 * j;}if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, FLASH_APP_ADDR Addr i, Data) HAL_OK){}/* printf(0x%16llx |, Data);if(i % 16 0 i ! 0)printf(\r\n);*/}HAL_FLASH_Lock();
}void Write_Updata_Flag_Flash(void)
{HAL_FLASH_Unlock();HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, FLASH_Updata_Flag_ADDR, 0x55555555);HAL_FLASH_Lock();
}void Erase_Updata_Flag_Flash(void)
{FLASH_EraseInitTypeDef EraseInitStruct;HAL_FLASH_Unlock();EraseInitStruct.TypeErase FLASH_TYPEERASE_PAGES;EraseInitStruct.PageAddress FLASH_Updata_Flag_ADDR;EraseInitStruct.NbPages 1;if (HAL_FLASHEx_Erase(EraseInitStruct, PageError) ! HAL_OK){}HAL_FLASH_Lock();
}void Erase_APP_Flash(void)
{FLASH_EraseInitTypeDef EraseInitStruct;HAL_FLASH_Unlock();EraseInitStruct.TypeErase FLASH_TYPEERASE_PAGES;EraseInitStruct.PageAddress FLASH_APP_ADDR;EraseInitStruct.NbPages 20;if (HAL_FLASHEx_Erase(EraseInitStruct, PageError) ! HAL_OK){}HAL_FLASH_Lock();
}void Read_Flash_Data(uint8_t* pBuffer, uint32_t NumToRead, uint32_t ReadAddr)
{uint32_t i;for (i 0; i NumToRead; i){*((uint8_t*)pBuffer i) *((uint8_t*)ReadAddr i);}
}#define RX_QUEUE_LENGTH 2048
static uint8_t RxQueue[RX_QUEUE_LENGTH];
uint8_t Update_Data[1024 10];
static uint16_t RxQueueHead 0;
static uint16_t RxQueueTail 0;typedef enum
{RECEIVER_IDLE 0,RECEIVER_HEAD_H,RECEIVER_HEAD_L,RECEIVER_CMD,RECEIVER_LEN_H,RECEIVER_LEN_L,RECEIVER_DATA,RECEIVER_CHECK,
}RECEIVER_STATE;typedef enum
{UPDATE_IDLE 0,UPDATE_START, UPDATE_STARTING,UPDATE_END,
}UPDATE_STATE;RECEIVER_STATE Receiver_State RECEIVER_HEAD_H;
UPDATE_STATE Update_State UPDATE_IDLE;void OnDataReceived(uint8_t val)
{if(((RxQueueTail 1) % RX_QUEUE_LENGTH) ! RxQueueHead) //queue is not full{ RxQueue[RxQueueTail] val; //save data into queueRxQueueTail % RX_QUEUE_LENGTH; //queue tail}
}void ClearRxQueue(void)
{RxQueueHead 0;RxQueueTail 0;memset(RxQueue, 0, sizeof(RxQueue));
}static uint16_t GetRxQueueLen(void)
{return ((RxQueueTail RX_QUEUE_LENGTH - RxQueueHead) % RX_QUEUE_LENGTH);
}uint8_t GetRxQueueData(void)
{uint8_t val;val RxQueue[RxQueueHead];RxQueueHead ((RxQueueHead 1) % RX_QUEUE_LENGTH);return val;
}uint8_t Check_Sum(uint8_t *str, uint16_t len)
{uint8_t sum 0;for(;len 0; len--){sum *str;}return sum;
}bool Usart_Data_Handler(void)
{static uint8_t Data;static uint8_t Cmd;static uint8_t Check;static uint8_t Send_Data[10];static uint16_t Update_Pack_Num;static uint16_t Update_Pack_Num_Temp;static uint32_t Update_Data_Len;static uint32_t Write_Date_Len;static uint16_t Receive_Data_Len;static uint16_t Receive_Data_Count;while(GetRxQueueLen() 0){ Data GetRxQueueData();if(Receiver_State RECEIVER_HEAD_H){if(Data 0x55){Receiver_State;}}else if(Receiver_State RECEIVER_HEAD_L){if(Data 0x55){Receiver_State;}}else if(Receiver_State RECEIVER_CMD){Receiver_State;Receive_Data_Len 0;Receive_Data_Count 0;Cmd Data;if(Cmd 0x00){printf(Cmd 0x00\r\n);}else if(Cmd 0x01){Update_State UPDATE_START;Update_Pack_Num 0;Write_Date_Len 0;printf(Update_State UPDATE_START\r\n);}else if(Cmd 0x02){Update_State UPDATE_STARTING;printf(Update_State UPDATE_STARTING\r\n);}else if(Cmd 0x03){Update_State UPDATE_END;printf(Update_State UPDATE_END\r\n);} }else if(Receiver_State RECEIVER_LEN_H){Receiver_State;Receive_Data_Len | Data 8;}else if(Receiver_State RECEIVER_LEN_L){Receiver_State;Receive_Data_Len | Data;if(Receive_Data_Len 0){Receiver_State RECEIVER_CHECK;}}else if(Receiver_State RECEIVER_DATA){Update_Data[Receive_Data_Count] Data;if(Cmd 0x01){if(Receive_Data_Count 4){Update_Data_Len 0;Update_Data_Len | Update_Data[0] 24;Update_Data_Len | Update_Data[1] 16;Update_Data_Len | Update_Data[2] 8;Update_Data_Len | Update_Data[3];}}else if(Cmd 0x02){if(Receive_Data_Count 2){Update_Pack_Num_Temp 0;Update_Pack_Num_Temp | Update_Data[0] 8;Update_Pack_Num_Temp | Update_Data[1];}}if(Receive_Data_Count Receive_Data_Len){Receiver_State;}}else if(Receiver_State RECEIVER_CHECK){Receiver_State RECEIVER_HEAD_H;Check Data;Send_Data[0] 0x55;Send_Data[1] 0x55;Send_Data[2] Cmd;Send_Data[3] 0x00;if(Update_State UPDATE_START){Erase_APP_Flash(); printf(Erase_APP_Flash\r\n);printf(Update_Data_Len %d\r\n, Update_Data_Len); Send_Data[4] 0x00;Send_Data[5] 0x00;CDC_Transmit_FS(Send_Data, 6);}else if(Update_State UPDATE_STARTING){if(Update_Pack_Num_Temp Update_Pack_Num){Check Check_Sum(Update_Data, Receive_Data_Len);if(Check Data){Update_Pack_Num;Write_Flash(Update_Data[2], Receive_Data_Len - 2, Write_Date_Len);Write_Date_Len Receive_Data_Len - 2;printf(Receive Update_Pack_Num %d\r\n, Update_Pack_Num_Temp);printf(Write_Date_Len %d, Update_Data_Len %d\r\n, Write_Date_Len, Update_Data_Len);}else{printf(Check Error Check %d, ReceCheck %d \r\n, Check, Data);}}if(Write_Date_Len Update_Data_Len){Send_Data[2] 0x03;Send_Data[3] 0x00;Send_Data[4] 0x00;Send_Data[5] 0x00;CDC_Transmit_FS(Send_Data, 6);Erase_Updata_Flag_Flash();Write_Updata_Flag_Flash();printf(Upgrade successfully \r\n);NVIC_SystemReset();}else{Send_Data[4] 0x02;Send_Data[5] Update_Pack_Num 8;Send_Data[6] Update_Pack_Num;Send_Data[7] Check_Sum(Send_Data[5], 2);CDC_Transmit_FS(Send_Data, 8);}}else if(Update_State UPDATE_END){Send_Data[4] 0x00;Send_Data[5] 0x00;CDC_Transmit_FS(Send_Data, 6);}}}
}void Usart_Get_Data_Handler(void)
{if(!Usart_Data_Handler()){return;}
}
Update.h代码
#ifndef __UPDATE_H
#define __UPDATE_H#include main.h
#include string.h
#include stdbool.h
#include stdio.h
#include usbd_cdc_if.h#define FLASH_Page_Size (2048)
#define FLASH_Updata_Flag_ADDR (0x08000000 9 * FLASH_Page_Size)
#define FLASH_APP_ADDR (0x08000000 10 * FLASH_Page_Size)void Erase_APP_Flash(void);
void Erase_Updata_Flag_Flash(void);
void Write_Flash(uint8_t *data, uint16_t DataLen, uint32_t Addr);
void Read_Flash_Data(uint8_t* pBuffer, uint32_t NumToRead, uint32_t ReadAddr);void ClearRxQueue(void);
void OnDataReceived(uint8_t val);
bool Usart_Data_Handler(void);#endif 源码链接跳转链接
上位机升级工具升级工具
STM32F103 USB OTA升级APP (二)跳转链接
