U盘升级STM32程序

; generated by Component: ARM Compiler 5.05 update 1 (build 106) Tool: ArmCC [4d0efa] ; commandline ArmCC [--list --split_sections --debug -c --asm --interleave -o.\flash\obj\ff.o --asm_dir=.\Flash\List\ --list_dir=.\Flash\List\ --depend=.\flash\obj\ff.d --cpu=Cortex-M4.fp --apcs=interwork -O0 --diag_suppress=9931,870 -I..\..\User -I..\..\Libraries\STM32F4xx_StdPeriph_Driver\inc -I..\..\Libraries\CMSIS\Device\ST\STM32F4xx\Include -I..\..\User\fonts -I..\..\emWin\GUI_X -I..\..\emWin\Config -I..\..\emWin\Include -I..\..\emWin\emWinTask -I..\..\User\fatfs\src -I..\..\FreeRTOS\include -I..\..\FreeRTOS\portable\RVDS\ARM_CM4F -I..\..\User\bsp_stm32f4xx -I..\..\User\bsp_stm32f4xx\inc -I..\..\User\nmea_decode\include -I..\..\User\FATFS -I..\..\User\FATFS\option -I..\..\User\usbh_mass_storage -I..\..\Libraries\STM32_USB_OTG_Driver\inc -I..\..\Libraries\STM32_USB_HOST_Library\Core\inc -I..\..\Libraries\STM32_USB_HOST_Library\Class\MSC\inc -I..\..\User\delay -I..\..\User\IAP -I..\..\User\STMFLASH -IC:\Keil_v5\ARM\RV31\INC -IC:\Keil_v5\ARM\CMSIS\Include -IC:\Keil_v5\ARM\Inc\ST\STM32F4xx -D__MICROLIB -D__UVISION_VERSION=514 -DUSE_STDPERIPH_DRIVER -DSTM32F4XX -DARM_MATH_CM4 -D__CC_ARM -D__CC_ARM -DUSE_USB_OTG_HS -DUSE_EMBEDDED_PHY -DSTM32F40XX --omf_browse=.\flash\obj\ff.crf ..\..\User\FATFS\ff.c] THUMB AREA ||i.check_fs||, CODE, READONLY, ALIGN=2 check_fs PROC ;;;2174 static ;;;2175 BYTE check_fs ( /* 0:Valid FAT-BS, 1:Valid BS but not FAT, 2:Not a BS, 3:Disk error */ 000000 b570 PUSH {r4-r6,lr} ;;;2176 FATFS* fs, /* File system object */ ;;;2177 DWORD sect /* Sector# (lba) to check if it is an FAT boot record or not */ ;;;2178 ) ;;;2179 { 000002 4604 MOV r4,r0 000004 460d MOV r5,r1 ;;;2180 fs->wflag = 0; fs->winsect = 0xFFFFFFFF; /* Invaidate window */ 000006 2000 MOVS r0,#0 000008 7120 STRB r0,[r4,#4] 00000a 1e40 SUBS r0,r0,#1 00000c 62e0 STR r0,[r4,#0x2c] ;;;2181 if (move_window(fs, sect) != FR_OK) /* Load boot record */ 00000e 4629 MOV r1,r5 000010 4620 MOV r0,r4 000012 f7fffffe BL move_window 000016 b108 CBZ r0,|L1.28| ;;;2182 return 3; 000018 2003 MOVS r0,#3 |L1.26| ;;;2183 ;;;2184 if (LD_WORD(&fs->win[BS_55AA]) != 0xAA55) /* Check boot record signature (always placed at offset 510 even if the sector size is >512) */ ;;;2185 return 2; ;;;2186 ;;;2187 if ((LD_DWORD(&fs->win[BS_FilSysType]) & 0xFFFFFF) == 0x544146) /* Check "FAT" string */ ;;;2188 return 0; ;;;2189 if ((LD_DWORD(&fs->win[BS_FilSysType32]) & 0xFFFFFF) == 0x544146) /* Check "FAT" string */ ;;;2190 return 0; ;;;2191 ;;;2192 return 1; ;;;2193 } 00001a bd70 POP {r4-r6,pc} |L1.28| 00001c f894122e LDRB r1,[r4,#0x22e] ;2184 000020 f894022f LDRB r0,[r4,#0x22f] ;2184 000024 ea412000 ORR r0,r1,r0,LSL #8 ;2184 000028 f64a2155 MOV r1,#0xaa55 ;2184 00002c 4288 CMP r0,r1 ;2184 00002e d001 BEQ |L1.52| 000030 2002 MOVS r0,#2 ;2185 000032 e7f2 B |L1.26| |L1.52| 000034 f8940069 LDRB r0,[r4,#0x69] ;2187 000038 0601 LSLS r1,r0,#24 ;2187 00003a f8940068 LDRB r0,[r4,#0x68] ;2187 00003e ea414100 ORR r1,r1,r0,LSL #16 ;2187 000042 f8940067 LDRB r0,[r4,#0x67] ;2187 000046 ea412000 ORR r0,r1,r0,LSL #8 ;2187 00004a f8941066 LDRB r1,[r4,#0x66] ;2187 00004e 4308 ORRS r0,r0,r1 ;2187 000050 f020407f BIC r0,r0,#0xff000000 ;2187 000054 490d LDR r1,|L1.140| 000056 4288 CMP r0,r1 ;2187 000058 d101 BNE |L1.94| 00005a 2000 MOVS r0,#0 ;2188 00005c e7dd B |L1.26| |L1.94| 00005e f8940085 LDRB r0,[r4,#0x85] ;2189 000062 0601 LSLS r1,r0,#24 ;2189 000064 f8940084 LDRB r0,[r4,#0x84] ;2189 000068 ea414100 ORR r1,r1,r0,LSL #16 ;2189 00006c f8940083 LDRB r0,[r4,#0x83] ;2189 000070 ea412000 ORR r0,r1,r0,LSL #8 ;2189 000074 f8941082 LDRB r1,[r4,#0x82] ;2189 000078 4308 ORRS r0,r0,r1 ;2189 00007a f020407f BIC r0,r0,#0xff000000 ;2189 00007e 4903 LDR r1,|L1.140| 000080 4288 CMP r0,r1 ;2189 000082 d101 BNE |L1.136| 000084 2000 MOVS r0,#0 ;2190 000086 e7c8 B |L1.26| |L1.136| 000088 2001 MOVS r0,#1 ;2192 00008a e7c6 B |L1.26| ;;;2194 ENDP |L1.140| DCD 0x00544146 AREA ||i.chk_chr||, CODE, READONLY, ALIGN=1 chk_chr PROC ;;;542 static ;;;543 int chk_chr (const char* str, int chr) { 000000 4602 MOV r2,r0 ;;;544 while (*str && *str != chr) str++; 000002 e000 B |L2.6| |L2.4| 000004 1c52 ADDS r2,r2,#1 |L2.6| 000006 7810 LDRB r0,[r2,#0] 000008 b110 CBZ r0,|L2.16| 00000a 7810 LDRB r0,[r2,#0] 00000c 4288 CMP r0,r1 00000e d1f9 BNE |L2.4| |L2.16| ;;;545 return *str; 000010 7810 LDRB r0,[r2,#0] ;;;546 } 000012 4770 BX lr ;;;547 ENDP AREA ||i.clust2sect||, CODE, READONLY, ALIGN=1 clust2sect PROC ;;;799 ;;;800 DWORD clust2sect ( /* !=0:Sector number, 0:Failed (invalid cluster#) */ 000000 4602 MOV r2,r0 ;;;801 FATFS* fs, /* File system object */ ;;;802 DWORD clst /* Cluster# to be converted */ ;;;803 ) ;;;804 { ;;;805 clst -= 2; 000002 1e89 SUBS r1,r1,#2 ;;;806 if (clst >= fs->n_fatent - 2) return 0; /* Invalid cluster# */ 000004 6950 LDR r0,[r2,#0x14] 000006 1e80 SUBS r0,r0,#2 000008 4288 CMP r0,r1 00000a d801 BHI |L3.16| 00000c 2000 MOVS r0,#0 |L3.14| ;;;807 return clst * fs->csize + fs->database; ;;;808 } 00000e 4770 BX lr |L3.16| 000010 7893 LDRB r3,[r2,#2] ;807 000012 6a90 LDR r0,[r2,#0x28] ;807 000014 fb010003 MLA r0,r1,r3,r0 ;807 000018 e7f9 B |L3.14| ;;;809 ENDP AREA ||i.cmp_lfn||, CODE, READONLY, ALIGN=2 cmp_lfn PROC ;;;1273 static ;;;1274 int cmp_lfn ( /* 1:matched, 0:not matched */ 000000 e92d47f0 PUSH {r4-r10,lr} ;;;1275 WCHAR* lfnbuf, /* Pointer to the LFN working buffer to be compared */ ;;;1276 BYTE* dir /* Pointer to the directory entry containing the part of LFN */ ;;;1277 ) ;;;1278 { 000004 4680 MOV r8,r0 000006 460c