massstorage.lst

使用PIC芯片通过SPI-MODE读写SD存储卡,通过测试.

                                                 //FSR0 = data_ptr->to;                                                     C:\MCC18\src\traditional\startup\c018i.c
                                                 //curr_byte = (unsigned short) data_ptr->size;                             C:\MCC18\src\traditional\startup\c018i.c
                                                 /* the table pointer now points to the next entry. Save it                 C:\MCC18\src\traditional\startup\c018i.c
                                                  * off since we'll be using the table pointer to do the copying            C:\MCC18\src\traditional\startup\c018i.c
                                                  * for the entry.                                                          C:\MCC18\src\traditional\startup\c018i.c
                                                  */                                                                        C:\MCC18\src\traditional\startup\c018i.c
001f3a   cff6     MOVFF     0xff6,0xad           data_ptr = TBLPTR;                                                         C:\MCC18\src\traditional\startup\c018i.c
001f3c   f0ad                                                                                                               
001f3e   cff7     MOVFF     0xff7,0xae                                                                                      
001f40   f0ae                                                                                                               
001f42   cff8     MOVFF     0xff8,0xaf                                                                                      
001f44   f0af                                                                                                               
                                                                                                                            C:\MCC18\src\traditional\startup\c018i.c
                                                 /* now assign the source address to the table pointer */                   C:\MCC18\src\traditional\startup\c018i.c
001f46   c0a6     MOVFF     0xa6,0xff6           TBLPTR = prom;                                                             C:\MCC18\src\traditional\startup\c018i.c
001f48   fff6                                                                                                               
001f4a   c0a7     MOVFF     0xa7,0xff7                                                                                      
001f4c   fff7                                                                                                               
001f4e   c0a8     MOVFF     0xa8,0xff8                                                                                      
001f50   fff8                                                                                                               
                                                                                                                            C:\MCC18\src\traditional\startup\c018i.c
                                                 /* do the copy loop */                                                     C:\MCC18\src\traditional\startup\c018i.c
                                                 _asm                                                                       C:\MCC18\src\traditional\startup\c018i.c
                                                   // determine if we have any more bytes to copy                           C:\MCC18\src\traditional\startup\c018i.c
001f52   0100     MOVLB     0x0            	movlb curr_byte                                                                 C:\MCC18\src\traditional\startup\c018i.c
001f54   53a9     MOVF      0xa9,0x1,0x1   	movf curr_byte, 1, 1                                                            C:\MCC18\src\traditional\startup\c018i.c
                                           copy_loop:                                                                       C:\MCC18\src\traditional\startup\c018i.c
001f56   e102     BNZ       0x1f5c         	bnz 2 // copy_one_byte                                                          C:\MCC18\src\traditional\startup\c018i.c
001f58   53aa     MOVF      0xaa,0x1,0x1   	movf curr_byte + 1, 1, 1                                                        C:\MCC18\src\traditional\startup\c018i.c
001f5a   e007     BZ        0x1f6a         	bz 7 // done_copying                                                            C:\MCC18\src\traditional\startup\c018i.c
                                                                                                                            C:\MCC18\src\traditional\startup\c018i.c
                                           copy_one_byte:                                                                   C:\MCC18\src\traditional\startup\c018i.c
001f5c   0009     TBLRDPOSTINC             	tblrdpostinc                                                                    C:\MCC18\src\traditional\startup\c018i.c
001f5e   50f5     MOVF      0xf5,0x0,0x0   	movf TABLAT, 0, 0                                                               C:\MCC18\src\traditional\startup\c018i.c
001f60   6eee     MOVWF     0xee,0x0       	movwf POSTINC0, 0                                                               C:\MCC18\src\traditional\startup\c018i.c
                                                                                                                            C:\MCC18\src\traditional\startup\c018i.c
                                           	// decrement byte counter                                                       C:\MCC18\src\traditional\startup\c018i.c
001f62   07a9     DECF      0xa9,0x1,0x1   	decf curr_byte, 1, 1                                                            C:\MCC18\src\traditional\startup\c018i.c
001f64   e2f8     BC        0x1f56         	bc -8 // copy_loop                                                              C:\MCC18\src\traditional\startup\c018i.c
001f66   07aa     DECF      0xaa,0x1,0x1           decf curr_byte + 1, 1, 1                                                 C:\MCC18\src\traditional\startup\c018i.c
001f68   d7f9     BRA       0x1f5c         	bra -7 // copy_one_byte                                                         C:\MCC18\src\traditional\startup\c018i.c
                                                                                                                            C:\MCC18\src\traditional\startup\c018i.c
                                           done_copying:                                                                    C:\MCC18\src\traditional\startup\c018i.c
                                                                                                                            C:\MCC18\src\traditional\startup\c018i.c
                                                 _endasm                                                                    C:\MCC18\src\traditional\startup\c018i.c
                                                 /* restore the table pointer for the next entry */                         C:\MCC18\src\traditional\startup\c018i.c
001f6a   c0ad     MOVFF     0xad,0xff6           TBLPTR = data_ptr;                                                         C:\MCC18\src\traditional\startup\c018i.c
001f6c   fff6                                                                                                               
001f6e   c0ae     MOVFF     0xae,0xff7                                                                                      
001f70   fff7                                                                                                               
001f72   c0af     MOVFF     0xaf,0xff8                                                                                      
001f74   fff8                                                                                                               
                                                 /* next entry... */                                                        C:\MCC18\src\traditional\startup\c018i.c
001f76   0100     MOVLB     0x0                  curr_entry--;                                                              C:\MCC18\src\traditional\startup\c018i.c
001f78   07ab     DECF      0xab,0x1,0x1                                                                                    
001f7a   0e00     MOVLW     0x0                                                                                             
001f7c   5bac     SUBWFB    0xac,0x1,0x1                                                                                    
001f7e   d7bf     BRA       0x1efe               goto test;                                                                 C:\MCC18\src\traditional\startup\c018i.c
                                           done:                                                                            C:\MCC18\src\traditional\startup\c018i.c
                                           ;                                                                                C:\MCC18\src\traditional\startup\c018i.c
001f80   0012     RETURN    0x0            }                                                                                C:\MCC18\src\traditional\startup\c018i.c
                                           /*********************************************************************           C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            *                                                                               C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            *                Microchip USB C18 Firmware Version 1.0                         C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            *                                                                               C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            *********************************************************************           C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            * FileName:        usbmmap.c                                                    C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            * Dependencies:    See INCLUDES section below                                   C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            * Processor:       PIC18                                                        C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            * Compiler:        C18 2.30.01+                                                 C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            * Company:         Microchip Technology, Inc.                                   C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            *                                                                               C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            * Software License Agreement                                                    C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            *                                                                               C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            * The software supplied herewith by Microchip Technology Incorporated           C:\MCHPMSD\MSD\system\usb\usbmmap.c
                                            * (the 揅ompany