cscj_timer0.mp

超声测距c语言程序 利用定时器产生40khz站空比50 的方波 通过检测收到超声波的时间来测距

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

Area                               Addr   Size   Decimal Bytes (Attributes)
--------------------------------   ----   ----   ------- ----- ------------
                           idata   008C   0001 =      1. bytes (rel,con)

       Addr  Global Symbol
      -----  --------------------------------
       008C  __idata_start
       008D  __idata_end

Area                               Addr   Size   Decimal Bytes (Attributes)
--------------------------------   ----   ----   ------- ----- ------------
                            text   008E   0196 =    406. bytes (rel,con)

       Addr  Global Symbol
      -----  --------------------------------
       0047  __start
       0047  __text_start
       0067  _exit
       0068  _delayus
       0080  _delayms
       0094  _int0
       009E  _int0_init
       00A8  _timer0_init
       00B1  _main
       00C8  mod16u
       00CA  div16u
       00CB  xdiv16u
       00E4  empy16s
       00F4  push_gset1
       00F7  pop_gset1
       00F8  pop
       010B  push_gset2
       010F  pop_gset2
       0112  __text_end

Area                               Addr   Size   Decimal Bytes (Attributes)
--------------------------------   ----   ----   ------- ----- ------------
                            data   0100   0001 =      1. bytes (rel,con)

       Addr  Global Symbol
      -----  --------------------------------
       0100  __data_start
       0100  _flag
       0101  __data_end

Area                               Addr   Size   Decimal Bytes (Attributes)
--------------------------------   ----   ----   ------- ----- ------------
                          vector   0000   0008 =      8. bytes (abs,ovr)

Files Linked      [ module(s) ]

C:\icc\lib\crtatmega.o  [ crtatmeg ]
cscj_timer0.o     [ cscj_tim ]
<library>         [ div16u.s, emul16s.,  gpush.s, gpush2.s,  gpop2.s ]

User Global Definitions

ram_end = 0x10ff
hwstk_size = 0x10

User Base Address Definitions

data = 0x100
func_lit = 0x8c
eeprom:1.4096