dbgu.lst

AT91SAM7X256芯片底层驱动源码。在IAR430环境下编译

   \   00000002   0221               MOV         R1,#+0x2
   \   00000004   0248               LDR         R0,??Init_DBGU_CLK_0  ;; 0xfffffc00
   \   00000006   ........           _BLF        AT91F_PMC_EnablePeriphClock,AT91F_PMC_EnablePeriphClock??rT
     48          }
   \   0000000A   01BC               POP         {R0}
   \   0000000C   0047               BX          R0                 ;; return
   \   0000000E   C046               NOP         
   \                     ??Init_DBGU_CLK_0:
   \   00000010   00FCFFFF           DC32        0xfffffc00
     49          

   \                                 In segment CODE, align 4, keep-with-next
     50          void Init_DBGU_BGR(unsigned short baud)
     51          {
     52            AT91PS_DBGU pDbgu = AT91C_BASE_DBGU ; 
   \                     Init_DBGU_BGR:
   \   00000000   ....               LDR         R1,??DataTable5    ;; 0xfffff200
     53            
     54            pDbgu->DBGU_BRGR = (unsigned short)baud;
   \   00000002   0862               STR         R0,[R1, #+0x20]
     55          }
   \   00000004   7047               BX          LR                 ;; return
     56          

   \                                 In segment CODE, align 4, keep-with-next
     57          void DBGU_TX_Enable(void)
     58          {
     59            AT91PS_DBGU pDbgu = AT91C_BASE_DBGU ; 
   \                     DBGU_TX_Enable:
   \   00000000   ....               LDR         R0,??DataTable5    ;; 0xfffff200
     60            
     61            pDbgu->DBGU_CR = 0x00000040;
   \   00000002   4021               MOV         R1,#+0x40
   \   00000004   0160               STR         R1,[R0, #+0]
     62          }
   \   00000006   7047               BX          LR                 ;; return
     63          

   \                                 In segment CODE, align 4, keep-with-next
     64          void DBGU_RX_Enable(void)
     65          {
     66            AT91PS_DBGU pDbgu = AT91C_BASE_DBGU ; 
   \                     DBGU_RX_Enable:
   \   00000000   ....               LDR         R0,??DataTable5    ;; 0xfffff200
     67            
     68            pDbgu->DBGU_CR = 0x00000010;
   \   00000002   1021               MOV         R1,#+0x10
   \   00000004   0160               STR         R1,[R0, #+0]
     69          }
   \   00000006   7047               BX          LR                 ;; return
     70          

   \                                 In segment CODE, align 4, keep-with-next
     71          void DBGU_RX_TX_RST_DIS(void)
     72          {
     73            AT91PS_DBGU pDbgu = AT91C_BASE_DBGU ; 
   \                     DBGU_RX_TX_RST_DIS:
   \   00000000   ....               LDR         R0,??DataTable5    ;; 0xfffff200
     74            pDbgu->DBGU_CR = 0x000000AC;
   \   00000002   AC21               MOV         R1,#+0xAC
   \   00000004   0160               STR         R1,[R0, #+0]
     75          }
   \   00000006   7047               BX          LR                 ;; return
     76          

   \                                 In segment CODE, align 4, keep-with-next
     77          void DBGU_Parity_Cfg(unsigned int par)
     78          {
     79            AT91PS_DBGU pDbgu = AT91C_BASE_DBGU ; 
   \                     DBGU_Parity_Cfg:
   \   00000000   ....               LDR         R1,??DataTable5    ;; 0xfffff200
     80            
     81            pDbgu->DBGU_MR = par << 9;
   \   00000002   4002               LSL         R0,R0,#+0x9
   \   00000004   4860               STR         R0,[R1, #+0x4]
     82          }
   \   00000006   7047               BX          LR                 ;; return
     83          
     84          

   \                                 In segment CODE, align 4, keep-with-next
     85          void Init_DBGU(void)
     86          { 
   \                     Init_DBGU:
   \   00000000   00B5               PUSH        {LR}
     87            AT91F_DBGU_CfgPIO();
   \   00000002   ........           _BLF        AT91F_DBGU_CfgPIO,AT91F_DBGU_CfgPIO??rT
     88            DBGU_RX_TX_RST_DIS();
   \   00000006   ........           BL          DBGU_RX_TX_RST_DIS
     89            Init_DBGU_BGR(26);  //26 <=> 115kBd
   \   0000000A   1A20               MOV         R0,#+0x1A
   \   0000000C   ........           BL          Init_DBGU_BGR
     90            DBGU_Parity_Cfg(4);
   \   00000010   0420               MOV         R0,#+0x4
   \   00000012   ........           BL          DBGU_Parity_Cfg
     91            DBGU_TX_Enable();   
   \   00000016   ........           BL          DBGU_TX_Enable
     92            DBGU_RX_Enable();
   \   0000001A   ........           BL          DBGU_RX_Enable
     93          }
   \   0000001E   01BC               POP         {R0}
   \   00000020   0047               BX          R0                 ;; return

   \                                 In segment CODE, align 4, keep-with-next
   \                     ??DataTable5:
   \   00000000   00F2FFFF           DC32        0xfffff200
     94          
     95          

   Maximum stack usage in bytes:

     Function                    CSTACK
     --------                    ------
     AT91F_DBGU_CfgPIO               4
     AT91F_DBGU_Printk               4
     AT91F_PIO_CfgPeriph             0
     AT91F_PMC_EnablePeriphClock     0
     DBGU_Parity_Cfg                 0
     DBGU_RX_Enable                  0
     DBGU_RX_TX_RST_DIS              0
     DBGU_TX_Enable                  0
     Init_DBGU                       4
     Init_DBGU_BGR                   0
     Init_DBGU_CLK                   4


   Segment part sizes:

     Function/Label              Bytes
     --------------              -----
     AT91F_PIO_CfgPeriph           10
     AT91F_PMC_EnablePeriphClock    4
     AT91F_DBGU_CfgPIO             24
     AT91F_DBGU_Printk             46
     Init_DBGU_CLK                 20
     Init_DBGU_BGR                  6
     DBGU_TX_Enable                 8
     DBGU_RX_Enable                 8
     DBGU_RX_TX_RST_DIS             8
     DBGU_Parity_Cfg                8
     Init_DBGU                     34
     ??DataTable5                   4
      Others                       88

 
 268 bytes in segment CODE
 
 142 bytes of CODE memory (+ 126 bytes shared)

Errors: none
Warnings: none