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📄 fw.lst

📁 This a CY7C68013 (USB2.0 Chip) Configuration example for Slave FIFO Mode with Sync Signal.
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 224   4                      
 225   4                   // 8051 activity will resume here due to USB bus or W
             -akeup# pin activity.
 226   4                   EZUSB_Resume();   // If source is the Wakeup# pin, si
             -gnal the host to Resume.      
 227   4                   TD_Resume();
 228   4                    }   
 229   3                }
 230   2            TD_Poll();
 231   2         }
 232   1      }
 233          
 234          // Device request parser
 235          void SetupCommand(void)
 236          {
 237   1         void   *dscr_ptr;
 238   1      
 239   1         switch(SETUPDAT[1])
 240   1         {
 241   2            case SC_GET_DESCRIPTOR:                  // *** Get Descript
             -or
 242   2               if(DR_GetDescriptor())
 243   2                  switch(SETUPDAT[3])         
 244   2                  {
 245   3                     case GD_DEVICE:            // Device
 246   3                        SUDPTRH = MSB(pDeviceDscr);
 247   3                        SUDPTRL = LSB(pDeviceDscr);
 248   3                        break;
 249   3                     case GD_DEVICE_QUALIFIER:            // Device Qual
             -ifier
 250   3                        SUDPTRH = MSB(pDeviceQualDscr);
 251   3                        SUDPTRL = LSB(pDeviceQualDscr);
 252   3                        break;
 253   3                     case GD_CONFIGURATION:         // Configuration
 254   3                        SUDPTRH = MSB(pConfigDscr);
 255   3                        SUDPTRL = LSB(pConfigDscr);
 256   3                        break;
C51 COMPILER V6.14  FW                             10/06/2006 14:23:48 PAGE 6   

 257   3                     case GD_OTHER_SPEED_CONFIGURATION:  // Other Speed 
             -Configuration
 258   3                        SUDPTRH = MSB(pOtherConfigDscr);
 259   3                        SUDPTRL = LSB(pOtherConfigDscr);
 260   3                        break;
 261   3                     case GD_STRING:            // String
 262   3                        if(dscr_ptr = (void *)EZUSB_GetStringDscr(SETUPD
             -AT[2]))
 263   3                        {
 264   4                           SUDPTRH = MSB(dscr_ptr);
 265   4                           SUDPTRL = LSB(dscr_ptr);
 266   4                        }
 267   3                        else 
 268   3                           EZUSB_STALL_EP0();   // Stall End Point 0
 269   3                        break;
 270   3                     default:            // Invalid request
 271   3                        EZUSB_STALL_EP0();      // Stall End Point 0
 272   3                  }
 273   2               break;
 274   2            case SC_GET_INTERFACE:                  // *** Get Interface
 275   2               DR_GetInterface();
 276   2               break;
 277   2            case SC_SET_INTERFACE:                  // *** Set Interface
 278   2               DR_SetInterface();
 279   2               break;
 280   2            case SC_SET_CONFIGURATION:               // *** Set Configur
             -ation
 281   2               DR_SetConfiguration();
 282   2               break;
 283   2            case SC_GET_CONFIGURATION:               // *** Get Configur
             -ation
 284   2               DR_GetConfiguration();
 285   2               break;
 286   2            case SC_GET_STATUS:                  // *** Get Status
 287   2               if(DR_GetStatus())
 288   2                  switch(SETUPDAT[0])
 289   2                  {
 290   3                     case GS_DEVICE:            // Device
 291   3                        EP0BUF[0] = ((BYTE)Rwuen << 1) | (BYTE)Selfpwr;
 292   3                        EP0BUF[1] = 0;
 293   3                        EP0BCH = 0;
 294   3                        EP0BCL = 2;
 295   3                        break;
 296   3                     case GS_INTERFACE:         // Interface
 297   3                        EP0BUF[0] = 0;
 298   3                        EP0BUF[1] = 0;
 299   3                        EP0BCH = 0;
 300   3                        EP0BCL = 2;
 301   3                        break;
 302   3                     case GS_ENDPOINT:         // End Point
 303   3                        EP0BUF[0] = *(BYTE xdata *) epcs(SETUPDAT[4]) & 
             -bmEPSTALL;
 304   3                        EP0BUF[1] = 0;
 305   3                        EP0BCH = 0;
 306   3                        EP0BCL = 2;
 307   3                        break;
 308   3                     default:            // Invalid Command
 309   3                        EZUSB_STALL_EP0();      // Stall End Point 0
 310   3                  }
 311   2               break;
 312   2            case SC_CLEAR_FEATURE:                  // *** Clear Feature
 313   2               if(DR_ClearFeature())
C51 COMPILER V6.14  FW                             10/06/2006 14:23:48 PAGE 7   

 314   2                  switch(SETUPDAT[0])
 315   2                  {
 316   3                     case FT_DEVICE:            // Device
 317   3                        if(SETUPDAT[2] == 1)
 318   3                           Rwuen = FALSE;       // Disable Remote Wakeup
 319   3                        else
 320   3                           EZUSB_STALL_EP0();   // Stall End Point 0
 321   3                        break;
 322   3                     case FT_ENDPOINT:         // End Point
 323   3                        if(SETUPDAT[2] == 0)
 324   3                        {
 325   4                           *(BYTE xdata *) epcs(SETUPDAT[4]) &= ~bmEPSTA
             -LL;
 326   4                           EZUSB_RESET_DATA_TOGGLE( SETUPDAT[4] );
 327   4                        }
 328   3                        else
 329   3                           EZUSB_STALL_EP0();   // Stall End Point 0
 330   3                        break;
 331   3                  }
 332   2               break;
 333   2            case SC_SET_FEATURE:                  // *** Set Feature
 334   2               if(DR_SetFeature())
 335   2                  switch(SETUPDAT[0])
 336   2                  {
 337   3                     case FT_DEVICE:            // Device
 338   3                        if(SETUPDAT[2] == 1)
 339   3                           Rwuen = TRUE;      // Enable Remote Wakeup
 340   3                        else if(SETUPDAT[2] == 2)
 341   3                           // Set Feature Test Mode.  The core handles t
             -his request.  However, it is
 342   3                           // necessary for the firmware to complete the
             - handshake phase of the
 343   3                           // control transfer before the chip will ente
             -r test mode.  It is also
 344   3                           // necessary for FX2 to be physically disconn
             -ected (D+ and D-)
 345   3                           // from the host before it will enter test mo
             -de.
 346   3                           break;
 347   3                        else
 348   3                           EZUSB_STALL_EP0();   // Stall End Point 0
 349   3                        break;
 350   3                     case FT_ENDPOINT:         // End Point
 351   3                        *(BYTE xdata *) epcs(SETUPDAT[4]) |= bmEPSTALL;
 352   3                        break;
 353   3                  }
 354   2               break;
 355   2            default:                     // *** Invalid Command
 356   2               if(DR_VendorCmnd())
 357   2                  EZUSB_STALL_EP0();            // Stall End Point 0
 358   2         }
 359   1      
 360   1         // Acknowledge handshake phase of device request
 361   1         EP0CS |= bmHSNAK;
 362   1      }
 363          
 364          // Wake-up interrupt handler
 365          void resume_isr(void) interrupt WKUP_VECT
 366          {
 367   1         EZUSB_CLEAR_RSMIRQ();
 368   1      }
 369          
C51 COMPILER V6.14  FW                             10/06/2006 14:23:48 PAGE 8   

 370          
C51 COMPILER V6.14  FW                             10/06/2006 14:23:48 PAGE 9   

ASSEMBLY LISTING OF GENERATED OBJECT CODE


             ; FUNCTION main (BEGIN)
                                           ; SOURCE LINE # 106
                                           ; SOURCE LINE # 107
                                           ; SOURCE LINE # 111
0000 E4                CLR     A
0001 F500        R     MOV     j+03H,A
0003 F500        R     MOV     j+02H,A
0005 F500        R     MOV     j+01H,A
0007 F500        R     MOV     j,A
                                           ; SOURCE LINE # 116
0009 C200        R     CLR     Sleep
                                           ; SOURCE LINE # 117
000B C200        R     CLR     Rwuen
                                           ; SOURCE LINE # 118
000D C200        R     CLR     Selfpwr
                                           ; SOURCE LINE # 119
000F C200        R     CLR     GotSUD
                                           ; SOURCE LINE # 122
0011 120000      E     LCALL   TD_Init
                                           ; SOURCE LINE # 130
0014 7E00        E     MOV     R6,#HIGH DeviceDscr
0016 7F00        E     MOV     R7,#LOW DeviceDscr
0018 8E00        R     MOV     pDeviceDscr,R6
001A 8F00        R     MOV     pDeviceDscr+01H,R7
                                           ; SOURCE LINE # 131
001C 750000      E     MOV     pDeviceQualDscr,#HIGH DeviceQualDscr
001F 750000      E     MOV     pDeviceQualDscr+01H,#LOW DeviceQualDscr
                                           ; SOURCE LINE # 132
0022 750000      E     MOV     pHighSpeedConfigDscr,#HIGH HighSpeedConfigDscr
0025 750000      E     MOV     pHighSpeedConfigDscr+01H,#LOW HighSpeedConfigDscr
                                           ; SOURCE LINE # 133
0028 750000      E     MOV     pFullSpeedConfigDscr,#HIGH FullSpeedConfigDscr
002B 750000      E     MOV     pFullSpeedConfigDscr+01H,#LOW FullSpeedConfigDscr
                                           ; SOURCE LINE # 134
002E 750000      E     MOV     pStringDscr,#HIGH StringDscr
0031 750000      E     MOV     pStringDscr+01H,#LOW StringDscr
                                           ; SOURCE LINE # 136
0034 900000      E     MOV     DPTR,#USBCS
0037 E0                MOVX    A,@DPTR
0038 30E71F            JNB     ACC.7,?C0001
                                           ; SOURCE LINE # 137
                                           ; SOURCE LINE # 138
003B 850000      R     MOV     pConfigDscr,pHighSpeedConfigDscr
003E 850000      R     MOV     pConfigDscr+01H,pHighSpeedConfigDscr+01H
                                           ; SOURCE LINE # 139
0041 850000      R     MOV     pOtherConfigDscr,pFullSpeedConfigDscr
0044 850000      R     MOV     pOtherConfigDscr+01H,pFullSpeedConfigDscr+01H
                                           ; SOURCE LINE # 140
0047 00                NOP     
0048 00                NOP     
0049 00                NOP     
                                           ; SOURCE LINE # 141
004A 900000      E     MOV     DPTR,#EP6BCH
004D 7402              MOV     A,#02H
004F F0                MOVX    @DPTR,A
                                           ; SOURCE LINE # 142
0050 00                NOP     
0051 00                NOP     
0052 00                NOP     
C51 COMPILER V6.14  FW                             10/06/2006 14:23:48 PAGE 10  

                                           ; SOURCE LINE # 143
0053 E4                CLR     A
0054 900000      E     MOV     DPTR,#EP6BCL
0057 F0                MOVX    @DPTR,A
                                           ; SOURCE LINE # 144
0058 800C              SJMP    ?C0002
005A         ?C0001:
                                           ; SOURCE LINE # 146
                                           ; SOURCE LINE # 147
005A 850000      R     MOV     pConfigDscr,pFullSpeedConfigDscr
005D 850000      R     MOV     pConfigDscr+01H,pFullSpeedConfigDscr+01H
                                           ; SOURCE LINE # 148
0060 850000      R     MOV     pOtherConfigDscr,pHighSpeedConfigDscr
0063 850000      R     MOV     pOtherConfigDscr+01H,pHighSpeedConfigDscr+01H
                                           ; SOURCE LINE # 149
0066         ?C0002:
                                           ; SOURCE LINE # 151
0066 EE                MOV     A,R6
0067 54E0              ANL     A,#0E0H
0069 7003              JNZ     $ + 5H
006B 020000      R     LJMP    ?C0003
                                           ; SOURCE LINE # 152
                                           ; SOURCE LINE # 153
006E 750000      R     MOV     IntDescrAddr,#00H
0071 750080      R     MOV     IntDescrAddr+01H,#080H
                                           ; SOURCE LINE # 154
0074 7E00        E     MOV     R6,#HIGH DeviceDscr
0076 7F00        E     MOV     R7,#LOW DeviceDscr
0078 8E00        R     MOV     ExtDescrAddr,R6
007A 8F00        R     MOV     ExtDescrAddr+01H,R7
                                           ; SOURCE LINE # 155
007C C3                CLR     C
007D 7400        E     MOV     A,#LOW UserDscr
007F 9F                SUBB    A,R7
0080 FF                MOV     R7,A
0081 7400        E     MOV     A,#HIGH UserDscr
0083 9E                SUBB    A,R6
0084 CF                XCH     A,R7
0085 2402              ADD     A,#02H
0087 CF                XCH     A,R7
0088 3400              ADDC    A,#00H
008A FE                MOV     R6,A
008B E4                CLR     A
008C 8F00        R     MOV     DevDescrLen+03H,R7
008E 8E00        R     MOV     DevDescrLen+02H,R6
0090 F500        R     MOV     DevDescrLen+01H,A
0092 F500        R     MOV     DevDescrLen,A
                                           ; SOURCE LINE # 156
0094 F500        R     MOV     i+03H,A

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