keyboard.mp

AVR单片机开发的键盘处理程序C源代码希望对单片机初学选手有点帮助

NOTE: AVR Code addresses are word addresses
All other addresses (including ones in FLASH) are byte addresses

Area                               Addr   Size   Decimal Bytes (Attributes)
--------------------------------   ----   ----   ------- ----- ------------
                             lit   0068   000B =     11. bytes (rel,con,rom)

       Addr  Global Symbol
      -----  --------------------------------
       0068  _num_table
       0068  __lit_start
       0073  __lit_end

Area                               Addr   Size   Decimal Bytes (Attributes)
--------------------------------   ----   ----   ------- ----- ------------
                            text   0074   0560 =   1376. bytes (rel,con,rom)

       Addr  Global Symbol
      -----  --------------------------------
       003A  __text_start
       003A  __start
       005A  _exit
       005B  _delay
       006B  _scan_key
       00BD  _master
       00F7  _port_init
       0105  _timer0_init
       010E  _timer0_ovf_isr
       0134  _uart0_init
       013E  _watchdog_init
       0142  _init_devices
       014D  _send_num
       016B  _send_char
       017D  _display
       0204  _reset_ctrl
       0248  _main
       029C  mod16u
       029E  div16u
       029F  xdiv16u
       02B8  pop_gset2
       02BB  pop_gset3
       02BE  push_gset1
       02C1  pop_gset1
       02C2  pop
       02D5  push_gset2
       02D9  push_gset3
       02DD  lsl16
       02E4  lsl8
       02EA  __text_end

Area                               Addr   Size   Decimal Bytes (Attributes)
--------------------------------   ----   ----   ------- ----- ------------
                             bss   0100   0020 =     32. bytes (rel,con,ram)

       Addr  Global Symbol
      -----  --------------------------------
       0100  _key_buf
       0100  __bss_start
       0102  _r_des_speed
       0104  _l_des_speed
       0106  _rbuf
       0110  _tbuf
       011A  _key_counter
       011C  _scom_counter
       011E  _delay_counter
       0120  __bss_end

Area                               Start  End    Decimal Bytes (Attributes)
--------------------------------   ----   ----   ------- ----- ------------
                          vector   0000   0028 =     40. bytes (abs,ovr,rom)

Files Linked      [ module(s) ]

D:\icc\lib\crtatmega.o	[ crtatmega.s ]
keyboard.o	[ keyboard.c ]
<library>	[ div16u.s, gpop2.s, gpop3.s, gpush.s, gpush2.s, gpush3.s, lsl16.s, lsl8.s ]

User Global Definitions

ram_end = 0x4ff
hwstk_size = 0x10

User Base Address Definitions

func_lit = 0x68
data = 0x100
eeprom:1.512