/** ****************************************************************************** * @file main.c * @author LI * @version V3.5.0 * @date 08-April-2015 * @brief Main program body ****************************************************************************** * @attention * * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. * *

© COPYRIGHT 2011 STMicroelectronics

****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "includes.h" /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ /* Private functions ---------------------------------------------------------*/ uint8_t run_led_state = LED_OFF; uint32_t count = 0; uint16_t read_data_dr2 = 0, write_data_dr2 = 0; uint8_t updata_flag = 0; uint32_t read_crc1,read_crc2,read_crc3; uint32_t get_crc1,get_crc2,get_crc3; uint32_t datalen1,datalen2,datalen3; uint8_t app1_check_result,app2_check_result,app3_check_result; uint8_t app1_check_num=0,app2_check_num=0,app3_check_num=0; uint8_t jump_flag = 0; uint32_t update_addr=0,update_len=0; uint16_t read_data_dr=0; uint8_t copy_addr=0,update_type; int main(void) { // SysTick_init(); RCC_Configuration(); LED_Init(); uart_init(UART1_ID, 115200, USART_WL_8BIT, USART_PM_NONE); I2C_init(); IWDG_Config(); printf("bootloader begin\n"); eeprom_init_handle(); read_data_dr2 = bkp_data_read(BKP_DATA_1); printf("BKP_DR2=%04x\n",read_data_dr2); if(flag_not_cmp(read_data_dr2)) { read_data_dr=bkp_data_read(BKP_DATA_6);//升级的固件类型 if(read_data_dr == 0x02)//升级产测 { update_addr = OTA_UPDATE_PT_FLASH_START_ADDR; update_len = OTA_UPDATE_PT_FLASH_SIZE; copy_addr = UPDATE_ENUM_PT; update_type = 2; printf("升级产测\n"); } else if(read_data_dr == 0x03)//升级app { update_addr = OTA_UPDATE_APP1_FLASH_START_ADDR; update_len = OTA_UPDATE_APP1_FLASH_SIZE; copy_addr = UPDATE_ENUM_APP1; update_type = 3; printf("升级app\n"); } if((read_data_dr2&0x00ff) == UPDATA_FLAG)//升级 { printf("updata begin\n"); //校验app1 app1_check_result = app_check(update_addr,update_len,&get_crc1); app3_check_result = app_check(OTA_UPDATE_APP3_FLASH_START_ADDR,OTA_UPDATE_APP3_FLASH_SIZE,&get_crc3); move1: erase_app(UPDATE_ENUM_APP2); fwdgt_counter_reload(); // printf("erase app2 end\n"); copy_app(copy_addr, UPDATE_ENUM_APP2); fwdgt_counter_reload(); // printf("copy app1 end\n"); //校验app2 app2_check_result = app_check(OTA_UPDATE_APP2_FLASH_START_ADDR,OTA_UPDATE_APP2_FLASH_SIZE,&get_crc2); if(get_crc1 != get_crc2)//校验错误，拷贝过程出错 { if(app2_check_num == 0)//如果是第一次，则重新拷贝一次 { app2_check_num++; goto move1; } else { printf("copy app1 to app2 error\n"); } } move2: erase_app(copy_addr); fwdgt_counter_reload(); // printf("erase app1 end\n"); copy_app(UPDATE_ENUM_APP3, copy_addr); fwdgt_counter_reload(); // printf("copy app3 end\n"); app1_check_result = app_check(update_addr,update_len,&get_crc1); if(get_crc1 != get_crc3)//校验错误，拷贝过程出错 { if(app1_check_num == 0)//如果是第一次，则重新拷贝一次 { app1_check_num++; goto move2; } else { printf("copy app3 to app1 error\n"); jump_flag = 1; } } write_data_dr2 = set_flag_not(BACKOFF_FLAG); bkp_data_write(BKP_DATA_1,write_data_dr2); if(update_type == 2)//产测 { device_mcu_info.app2_ver = device_mcu_info.pt_ver; device_mcu_info.pt_ver = device_mcu_info.app3_ver; updata_flag = 1; } else if(update_type == 3)//app { device_mcu_info.app2_ver = device_mcu_info.app1_ver; device_mcu_info.app1_ver = device_mcu_info.app3_ver; updata_flag = 1; } } else if((read_data_dr2&0x00ff) == BACKOFF_FLAG)//回退 { printf("back off begin\n"); app2_check_result = app_check(OTA_UPDATE_APP2_FLASH_START_ADDR,OTA_UPDATE_APP2_FLASH_SIZE,&get_crc2); move3: erase_app(copy_addr); fwdgt_counter_reload(); copy_app(UPDATE_ENUM_APP2, copy_addr); fwdgt_counter_reload(); app1_check_result = app_check(update_addr,update_len,&get_crc1); if(get_crc1 != get_crc2)//校验错误，拷贝过程出错 { if(app1_check_num == 0)//如果是第一次，则重新拷贝一次 { app1_check_num++; goto move3; } else { printf("copy app2 to app1 error\n"); jump_flag = 1; } } write_data_dr2 = set_flag_not(BACKOFF_OVER); bkp_data_write(BKP_DATA_1,write_data_dr2); if(update_type == 2)//产测 { device_mcu_info.pt_ver = device_mcu_info.app2_ver; updata_flag = 1; } else if(update_type == 3)//app { device_mcu_info.app1_ver = device_mcu_info.app2_ver; updata_flag = 1; } } else if((read_data_dr2&0x00ff) == BACKOFF_OVER)//回退失败 { bkp_data_write(BKP_DATA_1,0x0000); } } fwdgt_counter_reload(); eeprom_info_updata(); //打印信息 printf("bootloader信息:\n"); printf(" first init = %04x\n",device_public_info.eeprom_first_flag); printf(" eeprom ver = %02x\n",device_public_info.eeprom_ver); printf(" reset num = %u\n",Reset_cnt); printf(" boot ver = %08x\n",device_mcu_info.bootloader_ver); printf(" app1 ver = %08x\n",device_mcu_info.app1_ver); printf(" app2 ver = %08x\n",device_mcu_info.app2_ver); printf(" app3 ver = %08x\n",device_mcu_info.app3_ver); fwdgt_counter_reload(); run_app1(); fwdgt_counter_reload(); while(1) { if(run_led_state) LED_STATE_OFF(); else LED_STATE_ON(); run_led_state = !run_led_state; delay_ms(500); fwdgt_counter_reload(); //喂狗 count++; if(count > 10) { count = 0; NVIC_SystemReset(); } } }