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📄 usb_pwr.txt

📁 STM32外部SRAM用作datamemery的程序 开发环境MDK
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; generated by ARM/Thumb C/C++ Compiler with , RVCT3.1 [Build 934] for uVision
; commandline ArmCC [--split_sections --debug -c --asm --interleave -o.\Obj\usb_pwr.o --depend=.\Obj\usb_pwr.d --device=DARMSTM --apcs=interwork -O3 -I..\..\include -I..\..\..\FWLib\library\inc -I..\..\..\USBLib\library\inc -I..\..\SRAM -I"D:\Program Files\MDK KEIL\ARM\INC\ST\STM32F10x" -D__MICROLIB --omf_browse=.\Obj\usb_pwr.crf ..\..\source\usb_pwr.c]
                          THUMB

                          AREA ||i.PowerOn||, CODE, READONLY, ALIGN=2

                  PowerOn PROC
;;;49     RESULT PowerOn(void)
;;;50     {
000000  b510              PUSH     {r4,lr}
;;;51       u16 wRegVal;
;;;52     
;;;53       /*** cable plugged-in ? ***/
;;;54       /*while(!CablePluggedIn());*/
;;;55       USB_Cable_Config(ENABLE);
000002  2001              MOVS     r0,#1
000004  f7fff7ff          BL       USB_Cable_Config
;;;56     
;;;57       /*** CNTR_PWDN = 0 ***/
;;;58       wRegVal = CNTR_FRES;
000008  4806              LDR      r0,|L1.36|
00000a  2101              MOVS     r1,#1
;;;59       _SetCNTR(wRegVal);
00000c  6001              STR      r1,[r0,#0]
;;;60     
;;;61       /*** CNTR_FRES = 0 ***/
;;;62       wInterrupt_Mask = 0;
00000e  2100              MOVS     r1,#0
000010  4a05              LDR      r2,|L1.40|
;;;63       _SetCNTR(wInterrupt_Mask);
000012  6001              STR      r1,[r0,#0]
;;;64       /*** Clear pending interrupts ***/
;;;65       _SetISTR(0);
000014  6041              STR      r1,[r0,#4]
;;;66       /*** Set interrupt mask ***/
;;;67       wInterrupt_Mask = CNTR_RESETM | CNTR_SUSPM | CNTR_WKUPM;
000016  f44ff44f          MOV      r1,#0x1c00
00001a  8011              STRH     r1,[r2,#0]  ; wInterrupt_Mask
;;;68       _SetCNTR(wInterrupt_Mask);
00001c  6001              STR      r1,[r0,#0]
;;;69     
;;;70       return USB_SUCCESS;
00001e  2000              MOVS     r0,#0
;;;71     }
000020  bd10              POP      {r4,pc}
;;;72     
                          ENDP

000022  0000              DCW      0x0000
                  |L1.36|
000024  40005c40          DCD      0x40005c40
                  |L1.40|
000028  00000000          DCD      wInterrupt_Mask

                          AREA ||i.PowerOff||, CODE, READONLY, ALIGN=2

                  PowerOff PROC
;;;80     RESULT PowerOff()
;;;81     {
000000  b510              PUSH     {r4,lr}
;;;82       /* disable all ints and force USB reset */
;;;83       _SetCNTR(CNTR_FRES);
000002  4c05              LDR      r4,|L2.24|
000004  2001              MOVS     r0,#1
000006  6020              STR      r0,[r4,#0]
;;;84       /* clear interrupt status register */
;;;85       _SetISTR(0);
000008  2000              MOVS     r0,#0
00000a  6060              STR      r0,[r4,#4]
;;;86       /* Disable the Pull-Up*/
;;;87       USB_Cable_Config(DISABLE);
00000c  f7fff7ff          BL       USB_Cable_Config
;;;88       /* switch-off device */
;;;89       _SetCNTR(CNTR_FRES + CNTR_PDWN);
000010  2003              MOVS     r0,#3
000012  6020              STR      r0,[r4,#0]
;;;90       /* sw variables reset */
;;;91       /* ... */
;;;92     
;;;93       return USB_SUCCESS;
000014  2000              MOVS     r0,#0
;;;94     }
000016  bd10              POP      {r4,pc}
;;;95     
                          ENDP

                  |L2.24|
000018  40005c40          DCD      0x40005c40

                          AREA ||i.Suspend||, CODE, READONLY, ALIGN=2

                  Suspend PROC
;;;103    void Suspend(void)
;;;104    {
000000  4806              LDR      r0,|L3.28|
;;;105      u16 wCNTR;
;;;106      /* suspend preparation */
;;;107      /* ... */
;;;108    
;;;109      /* macrocell enters suspend mode */
;;;110      wCNTR = _GetCNTR();
000002  6801              LDR      r1,[r0,#0]
000004  b289              UXTH     r1,r1
;;;111      wCNTR |= CNTR_FSUSP;
000006  f041f041          ORR      r1,r1,#8
;;;112      _SetCNTR(wCNTR);
00000a  6001              STR      r1,[r0,#0]
;;;113    
;;;114      /* ------------------ ONLY WITH BUS-POWERED DEVICES ---------------------- */
;;;115      /* power reduction */
;;;116      /* ... on connected devices */
;;;117    
;;;118    
;;;119      /* force low-power mode in the macrocell */
;;;120      wCNTR = _GetCNTR();
00000c  6801              LDR      r1,[r0,#0]
00000e  b289              UXTH     r1,r1
;;;121      wCNTR |= CNTR_LPMODE;
000010  f041f041          ORR      r1,r1,#4
;;;122      _SetCNTR(wCNTR);
000014  6001              STR      r1,[r0,#0]
;;;123    
;;;124      /* switch-off the clocks */
;;;125      /* ... */
;;;126      Enter_LowPowerMode();
000016  f7fff7ff          B.W      Enter_LowPowerMode
;;;127    
;;;128    }
;;;129    
                          ENDP

00001a  0000              DCW      0x0000
                  |L3.28|
00001c  40005c40          DCD      0x40005c40

                          AREA ||i.Resume_Init||, CODE, READONLY, ALIGN=2

                  Resume_Init PROC
000000  b510              PUSH     {r4,lr}
000002  4c06              LDR      r4,|L4.28|
000004  6820              LDR      r0,[r4,#0]
000006  b280              UXTH     r0,r0
000008  f020f020          BIC      r0,r0,#4
00000c  6020              STR      r0,[r4,#0]
00000e  f7fff7ff          BL       Leave_LowPowerMode
000012  f44ff44f          MOV      r0,#0x8400
000016  6020              STR      r0,[r4,#0]
000018  bd10              POP      {r4,pc}
                          ENDP

00001a  0000              DCW      0x0000
                  |L4.28|
00001c  40005c40          DCD      0x40005c40

                          AREA ||i.Resume||, CODE, READONLY, ALIGN=2

                  Resume PROC
;;;173    void Resume(RESUME_STATE eResumeSetVal)
;;;174    {
000000  b570              PUSH     {r4-r6,lr}
000002  4c1e              LDR      r4,|L5.124|
;;;175      u16 wCNTR;
;;;176    
;;;177      if (eResumeSetVal != RESUME_ESOF)
000004  2807              CMP      r0,#7
000006  d000              BEQ      |L5.10|
;;;178        ResumeS.eState = eResumeSetVal;
000008  7020              STRB     r0,[r4,#0]  ; ResumeS
                  |L5.10|
;;;179    
;;;180      switch (ResumeS.eState)
00000a  7820              LDRB     r0,[r4,#0]  ; ResumeS
00000c  2506              MOVS     r5,#6
00000e  2604              MOVS     r6,#4
000010  491b              LDR      r1,|L5.128|
000012  2806              CMP      r0,#6
000014  d230              BCS      |L5.120|
000016  e8dfe8df          TBB      [pc,r0]
00001a  0306090e          DCB      0x03,0x06,0x09,0x0e
00001e  1622              DCB      0x16,0x22
;;;181      {
;;;182        case RESUME_EXTERNAL:
;;;183          Resume_Init();
000020  f7fff7ff          BL       Resume_Init
;;;184          ResumeS.eState = RESUME_OFF;
;;;185          break;
000024  e028              B        |L5.120|
;;;186        case RESUME_INTERNAL:
;;;187          Resume_Init();
000026  f7fff7ff          BL       Resume_Init
;;;188          ResumeS.eState = RESUME_START;
;;;189          break;
00002a  e00a              B        |L5.66|
;;;190        case RESUME_LATER:
;;;191          ResumeS.bESOFcnt = 2;
00002c  2002              MOVS     r0,#2
00002e  7060              STRB     r0,[r4,#1]  ; ResumeS
;;;192          ResumeS.eState = RESUME_WAIT;
000030  2003              MOVS     r0,#3
000032  7020              STRB     r0,[r4,#0]  ; ResumeS
                  |L5.52|
;;;193          break;
;;;194        case RESUME_WAIT:
;;;195          ResumeS.bESOFcnt--;
;;;196          if (ResumeS.bESOFcnt == 0)
;;;197            ResumeS.eState = RESUME_START;
;;;198          break;
;;;199        case RESUME_START:
;;;200          wCNTR = _GetCNTR();
;;;201          wCNTR |= CNTR_RESUME;
;;;202          _SetCNTR(wCNTR);
;;;203          ResumeS.eState = RESUME_ON;
;;;204          ResumeS.bESOFcnt = 10;
;;;205          break;
;;;206        case RESUME_ON:
;;;207          ResumeS.bESOFcnt--;
;;;208          if (ResumeS.bESOFcnt == 0)
;;;209          {
;;;210            wCNTR = _GetCNTR();
;;;211            wCNTR &= (~CNTR_RESUME);
;;;212            _SetCNTR(wCNTR);
;;;213            ResumeS.eState = RESUME_OFF;
;;;214          }
;;;215          break;
;;;216        case RESUME_OFF:
;;;217        case RESUME_ESOF:
;;;218        default:
;;;219          ResumeS.eState = RESUME_OFF;
;;;220          break;
;;;221      }
;;;222    }
000034  bd70              POP      {r4-r6,pc}
000036  7860              LDRB     r0,[r4,#1]            ;195  ; ResumeS
000038  1e40              SUBS     r0,r0,#1              ;195
00003a  7060              STRB     r0,[r4,#1]            ;195  ; ResumeS
00003c  7860              LDRB     r0,[r4,#1]            ;196  ; ResumeS
00003e  2800              CMP      r0,#0                 ;196
000040  d1f8              BNE      |L5.52|
                  |L5.66|
000042  7026              STRB     r6,[r4,#0]            ;197  ; ResumeS
000044  bd70              POP      {r4-r6,pc}
000046  f8d1f8d1          LDR      r0,[r1,#0xc40]        ;200
00004a  b280              UXTH     r0,r0                 ;200
00004c  f040f040          ORR      r0,r0,#0x10           ;201
000050  f8c1f8c1          STR      r0,[r1,#0xc40]        ;202
000054  2005              MOVS     r0,#5                 ;203
000056  7020              STRB     r0,[r4,#0]            ;203  ; ResumeS
000058  200a              MOVS     r0,#0xa               ;204
00005a  7060              STRB     r0,[r4,#1]            ;204  ; ResumeS
                  |L5.92|
00005c  bd70              POP      {r4-r6,pc}
00005e  7860              LDRB     r0,[r4,#1]            ;207  ; ResumeS
000060  1e40              SUBS     r0,r0,#1              ;207
000062  7060              STRB     r0,[r4,#1]            ;207  ; ResumeS
000064  7860              LDRB     r0,[r4,#1]            ;208  ; ResumeS
000066  2800              CMP      r0,#0                 ;208
000068  d1f8              BNE      |L5.92|
00006a  f8d1f8d1          LDR      r0,[r1,#0xc40]        ;210
00006e  b280              UXTH     r0,r0                 ;210
000070  f020f020          BIC      r0,r0,#0x10           ;211
000074  f8c1f8c1          STR      r0,[r1,#0xc40]        ;212
                  |L5.120|
000078  7025              STRB     r5,[r4,#0]            ;219  ; ResumeS
00007a  bd70              POP      {r4-r6,pc}
;;;223    
                          ENDP

                  |L5.124|
00007c  00000000          DCD      ||.data||
                  |L5.128|
000080  40005000          DCD      0x40005000

                          AREA ||.data||, DATA, ALIGN=0

                  ResumeS
000000  0000              DCB      0x00,0x00

                          AREA |area_number.7|, DATA, ALIGN=2

                          EXPORTAS |area_number.7|, ||.data||
                  bDeviceState
000000  00000000          DCD      0x00000000

                          AREA |area_number.8|, DATA, ALIGN=0

                          EXPORTAS |area_number.8|, ||.data||
                  fSuspendEnabled
000000  01                DCB      0x01

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