crc16.lst

Tried to make CAN logger on AT91sam7X-ek, but have no idea how to implement FATFs... -( I m just a

   \              81E3402301E1
   \              C021        
   \   000000FC   802041E001A0       DC16 8320, 57409, 40961, 24768, 24960, 41281, 25344, 41921, 41601
   \              C060806141A1
   \              0063C1A381A2
   \   0000010E   40620066C1A6       DC16 25152, 26112, 42689, 42881, 26432, 42241, 26048, 25728, 42049
   \              81A7406701A5
   \              C065806441A4
   \   00000120   006CC1AC81AD       DC16 27648, 44225, 44417, 27968, 44801, 28608, 28288, 44609, 43521
   \              406D01AFC06F
   \              806E41AE01AA
   \   00000132   C06A806B41AB       DC16 27328, 27520, 43841, 26880, 43457, 43137, 26688, 30720, 47297
   \              0069C1A981A8
   \              40680078C1B8
   \   00000144   81B9407901BB       DC16 47489, 31040, 47873, 31680, 31360, 47681, 48641, 32448, 32640
   \              C07B807A41BA
   \              01BEC07E807F
   \   00000156   41BF007DC1BD       DC16 48961, 32000, 48577, 48257, 31808, 46081, 29888, 30080, 46401
   \              81BC407C01B4
   \              C074807541B5
   \   00000168   0077C1B781B6       DC16 30464, 47041, 46721, 30272, 29184, 45761, 45953, 29504, 45313
   \              40760072C1B2
   \              81B3407301B1
   \   0000017A   C071807041B0       DC16 29120, 28800, 45121, 20480, 37057, 37249, 20800, 37633, 21440
   \              0050C1908191
   \              40510193C053
   \   0000018C   805241920196       DC16 21120, 37441, 38401, 22208, 22400, 38721, 21760, 38337, 38017
   \              C05680574197
   \              0055C1958194
   \   0000019E   4054019CC05C       DC16 21568, 39937, 23744, 23936, 40257, 24320, 40897, 40577, 24128
   \              805D419D005F
   \              C19F819E405E
   \   000001B0   005AC19A819B       DC16 23040, 39617, 39809, 23360, 39169, 22976, 22656, 38977, 34817
   \              405B0199C059
   \              805841980188
   \   000001C2   C04880494189       DC16 18624, 18816, 35137, 19200, 35777, 35457, 19008, 19968, 36545
   \              004BC18B818A
   \              404A004EC18E
   \   000001D4   818F404F018D       DC16 36737, 20288, 36097, 19904, 19584, 35905, 17408, 33985, 34177
   \              C04D804C418C
   \              0044C1848185
   \   000001E6   40450187C047       DC16 17728, 34561, 18368, 18048, 34369, 33281, 17088, 17280, 33601
   \              804641860182
   \              C04280434183
   \   000001F8   0041C1818180       DC16 16640, 33217, 32897, 16448
   \              4040        
     15          	0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
     16          	0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
     17          	0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
     18          	0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
     19          	0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
     20          	0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
     21          	0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
     22          	0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
     23          	0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
     24          	0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
     25          	0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
     26          	0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
     27          	0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
     28          	0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
     29          	0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
     30          	0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
     31          	0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
     32          	0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
     33          	0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
     34          	0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
     35          	0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
     36          	0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
     37          	0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
     38          	0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
     39          	0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
     40          	0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
     41          	0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
     42          	0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
     43          	0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
     44          	0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
     45          	0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
     46          	0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040
     47          };
     48          //EXPORT_SYMBOL(crc16_table);
     49          
     50          /**
     51           * crc16 - compute the CRC-16 for the data buffer
     52           * @crc:	previous CRC value
     53           * @buffer:	data pointer
     54           * @len:	number of bytes in the buffer
     55           *
     56           * Returns the updated CRC value.
     57           */

   \                                 In section .text, align 4, keep-with-next
     58          u16 crc16(u16 crc, u8 const *buffer, size_t len)
     59          {
   \                     crc16:
   \   00000000   38402DE9           PUSH     {R3-R5,LR}
   \   00000004   0150A0E1           MOV      R5,R1
   \   00000008   0240B0E1           MOVS     R4,R2
   \   0000000C   0400000A           BEQ      ??crc16_0
   \                     ??crc16_1:
   \   00000010   014044E2           SUB      R4,R4,#+1
     60          	while (len--)
     61          		crc = crc16_byte(crc, *buffer++);
   \   00000014   0110D5E4           LDRB     R1,[R5], #+1
   \   00000018   ........           BL       crc16_byte
   \   0000001C   000054E3           CMP      R4,#+0
   \   00000020   FAFFFF1A           BNE      ??crc16_1
     62          	return crc;
   \                     ??crc16_0:
   \   00000024   3240BDE8           POP      {R1,R4,R5,LR}
   \   00000028   1EFF2FE1           BX       LR               ;; return
     63          }
     64          //EXPORT_SYMBOL(crc16);
     65          
     66          //MODULE_DESCRIPTION("CRC16 calculations");
     67          //MODULE_LICENSE("GPL");
     68          

   Maximum stack usage in bytes:

     Function   .cstack
     --------   -------
     crc16           0
     crc16_byte      0


   Section sizes:

     Function/Label Bytes
     -------------- -----
     crc16_byte       40
     crc16_table     512
     crc16            44

 
 512 bytes in section .rodata
  84 bytes in section .text
 
  84 bytes of CODE  memory
 512 bytes of CONST memory

Errors: none
Warnings: none