#include "bootloader_iap.h"
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#include "flash.h"
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#include "off_chip_flash.h"
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#include "delay.h"
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#include "mbcrc.h"
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BOOTLOAD_PARA_STRUCT __attribute__ ((aligned (4))) bootload_para_g = {0};
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uint8_t __attribute__ ((aligned (4))) FlashWrBuf[512] = {0};
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#define IAP_UPDATA_FLAG (0x12345678)
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/*Ô¶³ÌÉý¼¶È«²¿Ð£Ñé³É¹¦Èí¼þ¸´Î»*/
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void OTA_UpdataResetHandler(void)
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{
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BOOTLOAD_PARA_STRUCT temp_boot_para = {0};
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memcpy((uint8_t *)&temp_boot_para,(uint8_t *)BOOTLOAD_CONFIG_START_ADDRESS, BOOTLOAT_PARA_SIZE);
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if(temp_boot_para.boot_update_flag == IAP_UPDATA_FLAG)
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{
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/*¹Ø±ÕÈ«²¿ÍâÉè*/
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delay_ms(500);
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RMU->SOFTRST = 0x5C5CAABB; //Èí¼þ¸´Î»
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}
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}
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ErrorStatus_STM32 IapBootload_WriteCfgFlash_Handler(void)
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{
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if(Flash_AppPageErase(BOOTLOAD_CONFIG_START_ADDRESS) != SUCCESS_0)
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return ERROR_1;
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bootload_para_g.boot_update_flag = IAP_UPDATA_FLAG;//УÑéͨ¹ý±êÖ¾
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//дÈëflash
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if(Flash_App_Write_String(BOOTLOAD_CONFIG_START_ADDRESS,(uint32_t *)&bootload_para_g, BOOTLOAT_PARA_SIZE)!= SUCCESS_0)//½«cfgдÈëflash
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return ERROR_1;
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return SUCCESS_0;
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}
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/******************************************
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* func: BootLoader_IapConfigSetHander
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* desc: IAPÏà¹ØµÄһЩÅäÖòÎÊýÉèÖÃ
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* input: pInputData£º²ÎÊýÊý¾Ý£¬Ïê¼ûBOOTLOAD_PARA_STRUCT½á¹¹Ìå
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data_len£ºÊý¾Ý³¤¶È
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* output: none
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* return: SUCCESS_0£º³É¹¦ ERROR_1/ÆäËû£ºÊ§°Ü
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*****************************************/
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ErrorStatus_STM32 BootLoader_IapConfigSetHander(uint8_t *pInputData,uint32_t data_len)
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{
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ErrorStatus_STM32 result = SUCCESS_0;
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uint16_t crc_16 = 0;
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uint32_t crc_crc = 0,offset = 0;
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if(data_len != (BOOTLOAT_PARA_SIZE - sizeof(bootload_para_g.boot_update_flag)))
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return (ErrorStatus_STM32)1;
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memcpy(&bootload_para_g,pInputData,data_len);
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/*ÑéÖ¤CFGµÄÕýÈ·ÐÔ*/
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if(bootload_para_g.diff_prog_start_addr<BOOTLOAD_DIFF_PROG_START_ADDRESS)//²îÒì³ÌÐòÆðʼµØÖ·
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return (ErrorStatus_STM32)2;
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if(bootload_para_g.diff_prog_length>BOOTLOAD_DIFF_PROG_LEN_MAX)//²îÒì³ÌÐò×î´ó³¤¶È
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return (ErrorStatus_STM32)3;
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if(bootload_para_g.diff_prog_map_length>512)//²îÒì³ÌÐò±í×î´ó³¤¶È
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return (ErrorStatus_STM32)4;
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if(bootload_para_g.user_porg_start_addr<BOOTLOAD_USER_PROG_START_ADDRESS)//Óû§³ÌÐòÆðʼµØÖ·
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return (ErrorStatus_STM32)5;
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if(bootload_para_g.user_prog_length>BOOTLOAD_USER_PROG_LEN_MAX)//Óû§³ÌÐò×î´ó³¤¶È
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return (ErrorStatus_STM32)6;
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if(bootload_para_g.new_prog_length>BOOTLOAD_USER_PROG_LEN_MAX)//гÌÐò×î´ó³¤¶È
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return (ErrorStatus_STM32)7;
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/*ÉÏλ»úͨ¹ýÀϳÌÐòµÄhexÎļþ¼ÆËã³öcrcÖµ£¬²¢Í¨¹ýUIC_APP_CONFIGÃüÁîÏ·¢µ½É豸¶ËÖÐ*/
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crc_16 = usMBCRC16(0xFFFF,(unsigned char*)BOOTLOAD_USER_PROG_START_ADDRESS, bootload_para_g.user_prog_length);
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crc_crc = (crc_16 << 16) | crc_16;
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if (crc_crc != bootload_para_g.user_prog_crc16)//ÓëÅäÖÃÎļþÖеijÌÐòCRCÖµ½øÐбȶÔ
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return (ErrorStatus_STM32)8;
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E2P_PWR_ON;
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//²Á³ý¸ø¶¨ÆðʼµØÖ·ºÍ´óСµÄFlash£¬Æ¬Íâflash
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for (offset = 0; offset < bootload_para_g.diff_prog_length; offset += OUT_FLASH_SECTOR_SIZE)
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{
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Flash_OUT_Erase_Sector((BOOTLOAD_DIFF_PROG_START_ADDRESS + offset)/OUT_FLASH_SECTOR_SIZE);
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IWDT_Clr(); //Çåϵͳ¿´ÃŹ·
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}
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E2P_PWR_OFF;
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//²Á³ý²îÒì³ÌÐòmap±í£¬Æ¬ÄÚflash
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for (offset = 0; offset < bootload_para_g.diff_prog_map_length; offset += BOOTLOAD_PAGE_SIZE)
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{
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if(Flash_AppPageErase(BOOTLOAD_DIFF_SECTOR_MAP_ADDRESS + offset)!= SUCCESS_0)
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return (ErrorStatus_STM32)9;
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}
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return result;
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}
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/******************************************
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* func: BootLoader_IapDiffDataHandler
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* desc: ÕýʽдÈë²îÒìÊý¾Ý£¨´æ´¢ÔÚƬÍâFlash£©
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* input: pInputData£º²îÒìÊý¾Ý£¬ÓÉÉÏλ»ú´ÓHexÎļþÌáÈ¡
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offset_addr£ºÆ«ÒƵØÖ·
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data_len£ºÊý¾Ý³¤¶È
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* output: none
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* return: SUCCESS_0£º³É¹¦ ERROR_1/ÆäËû£ºÊ§°Ü
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*****************************************/
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ErrorStatus_STM32 BootLoader_IapDiffDataHandler(uint8_t *pInputData,uint32_t offset_addr,uint16_t data_len)
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{
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ErrorStatus_STM32 result = SUCCESS_0;
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//дÈ볤¶ÈÄÜ´óÓÚÒ³³¤¶È,±¾À´Ó¦¸Ã²»ÄÜ´óÓÚOUT_FLASH_SECTOR_SIZE£¬µ«ÊÇÈÔÈ»²ÉÓÃÒ»´Î×î´ó512×Ö½Ú£¨Æ¬ÄÚµÄÒ»¸öÒ³Çø´óС£©
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if(data_len > BOOTLOAD_PAGE_SIZE)
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return (ErrorStatus_STM32)2;
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if(offset_addr>=BOOTLOAD_DIFF_PROG_LEN_MAX)//´úÂë²»Äܳ¬¹ý×î´ó³¤¶È
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return (ErrorStatus_STM32)3;
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if((bootload_para_g.diff_prog_start_addr+offset_addr)<BOOTLOAD_DIFF_PROG_START_ADDRESS)
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return (ErrorStatus_STM32)4;
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//дÈëflash
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memcpy(FlashWrBuf, pInputData, data_len);//¶Á³öÊý¾Ý 4×Ö½Ú¶ÔÆë
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//дÈëƬÍâflash
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E2P_PWR_ON;
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Out_Flash_MultipleWrite(FlashWrBuf,BOOTLOAD_DIFF_PROG_START_ADDRESS + offset_addr,data_len);
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E2P_PWR_OFF;
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return result;
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}
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/******************************************
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* func: BootLoader_IapConfigCheckHandler
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* desc: IAPÍê³ÉºóºË²éÊý¾ÝºÍ²ÎÊý
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* input: none
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* output: none
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* return: SUCCESS_0£º³É¹¦ ERROR_1/ÆäËû£ºÊ§°Ü
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*****************************************/
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ErrorStatus_STM32 BootLoader_IapConfigCheckHandler(void)
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{
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ErrorStatus_STM32 result = SUCCESS_0;
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uint32_t crc16 = 0xFFFF;
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uint16_t page_len = 0,i = 0,j = 0;
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uint8_t dataBuf[512],map;
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E2P_PWR_ON;
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//²îÒì³ÌÐòУÑé,´ÓÍâƬflash¶ÁÈ¡,Ôݶ¨Ò»´Î¶ÁÈ¡512×Ö½Ú£¬Ó¦¸Ã¿ÉÒÔ¶ÁÈ¡¸ü¶à
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page_len = bootload_para_g.diff_prog_length >> 9;// µÈ¼ÛÓÚ / 512
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for(i = 0; i < page_len;i++)
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{
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Out_Flash_MultipleRead(dataBuf,BOOTLOAD_DIFF_PROG_START_ADDRESS + i * BOOTLOAD_PAGE_SIZE,BOOTLOAD_PAGE_SIZE);
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crc16 = usMBCRC16(crc16, dataBuf, 512);
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//flash¶Á512×Ö½Ú´ó¸Å10ms
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IWDT_Clr(); //Çåϵͳ¿´ÃŹ·
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}
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crc16 |= (crc16 << 16);
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if(crc16 != bootload_para_g.diff_prog_crc16)//ÓëÅäÖÃÎļþÖеijÌÐòCRCÖµ½øÐбȶÔ
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result = (ErrorStatus_STM32)1;
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//²îÒì³ÌÐòmap±íУÑé
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crc16 = usMBCRC16(0xFFFF,(unsigned char*)BOOTLOAD_DIFF_SECTOR_MAP_ADDRESS, bootload_para_g.diff_prog_map_length);
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crc16 |= (crc16 << 16);
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if (crc16 != bootload_para_g.diff_prog_map_crc16)//ÓëÅäÖÃÎļþÖеijÌÐòCRCÖµ½øÐбȶÔ
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result = (ErrorStatus_STM32)2;
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//¾É³ÌÐòУÑé
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crc16 = usMBCRC16(0xFFFF,(unsigned char*)BOOTLOAD_USER_PROG_START_ADDRESS, bootload_para_g.user_prog_length);
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crc16 |= (crc16 << 16);
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if (crc16 != bootload_para_g.user_prog_crc16)//ÓëÅäÖÃÎļþÖеijÌÐòCRCÖµ½øÐбȶÔ
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result = (ErrorStatus_STM32)3;
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IWDT_Clr(); //Çåϵͳ¿´ÃŹ·
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//гÌÐòУÑé
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crc16 =0xFFFF;
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page_len = bootload_para_g.new_prog_length/BOOTLOAD_PAGE_SIZE;
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for(i = 0;i < page_len;i++)
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{
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map = *(unsigned char *)(BOOTLOAD_DIFF_SECTOR_MAP_ADDRESS+i/8);
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if((map&(1<<(i%8)))==0)//ÓвîÒìÒ³£¬ÐèÒª´ÓƬÍâ¶Á
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{
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Out_Flash_MultipleRead(dataBuf,BOOTLOAD_DIFF_PROG_START_ADDRESS + j * BOOTLOAD_PAGE_SIZE,BOOTLOAD_PAGE_SIZE);
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crc16 = usMBCRC16(crc16, dataBuf, BOOTLOAD_PAGE_SIZE);
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j++;
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}
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else
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crc16 = usMBCRC16(crc16, (unsigned char *)(BOOTLOAD_USER_PROG_START_ADDRESS+i*BOOTLOAD_PAGE_SIZE), BOOTLOAD_PAGE_SIZE);
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IWDT_Clr(); //Çåϵͳ¿´ÃŹ·
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}
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crc16 |= (crc16 << 16);
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if (crc16 != bootload_para_g.new_prog_crc16)//ÓëÅäÖÃÎļþÖеijÌÐòCRCÖµ½øÐбȶÔ
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result = (ErrorStatus_STM32)4;
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if(IapBootload_WriteCfgFlash_Handler() != SUCCESS_0)
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result = (ErrorStatus_STM32)5;
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E2P_PWR_OFF;
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return result;
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}
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/******************************************
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* func: BootLoader_IapDiffMapSetHandler
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* desc: IAPÏà¹ØµÄ²îÒì±í²ÎÊýÉèÖÃ
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* input: pInputData£º²ÎÊýÊý¾Ý£¬Ïê¼ûÉÏλ»úÐÒé
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offset_addr£ºÆ«ÒƵØÖ·
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data_len£ºÊý¾Ý³¤¶È
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* output: none
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* return: SUCCESS_0£º³É¹¦ ERROR_1/ÆäËû£ºÊ§°Ü
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*****************************************/
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ErrorStatus_STM32 BootLoader_IapDiffMapSetHandler(uint8_t *pInputData,uint32_t offset_addr,uint16_t data_len)
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{
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ErrorStatus_STM32 result = SUCCESS_0;
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if(data_len > 512) //²îÒì±íÊý¾Ý²»ÄÜ´óÓÚ512£¨Ò³£©
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return (ErrorStatus_STM32)2;
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if(offset_addr >= 512)//map²»Äܳ¬¹ý×î´ó³¤¶È
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return (ErrorStatus_STM32)3;
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memcpy(FlashWrBuf, pInputData, data_len);//¶Á³öÊý¾Ý 4×Ö½Ú¶ÔÆë
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if(Flash_App_Write_String(BOOTLOAD_DIFF_SECTOR_MAP_ADDRESS + offset_addr,(uint32_t *)&FlashWrBuf, data_len)!= SUCCESS_0)
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return (ErrorStatus_STM32)5;
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return result;
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}
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