No.14785
作者：waser
邮件：
ID：6787
登陆：1次
文章数：4篇
最后登陆IP：
最后登陆：2002/11/18 19:13:00
注册：2002/11/18 19:13:00
财富：26
发帖时间：2002/11/20 20:21:00
发贴者IP：218.17.250.82
标题：waser:C51编程:定时器有些问题！
摘要：No.14785C51编程:定时器有些问题！ $include (sreg.inc) ; target controller Special Function Registers
NAME ?C_STARTUP
IBPSTACK EQU 0 ;// 不定义模拟
栈 02-10-30 15:58
IBPSTACKTOP EQU 0ffH+1
;//IDATALEN EQU 100H
XDATA_START EQU 0c000H
XDATA_LENG EQU 10000H-0c000H ;_DPTV_DEF_ EQU 0 ;DWZ ?C_C51STARTUP SEGMENT CODE
?C_INITSEG SEGMENT CODE EXTRN CODE (?C_INITSEGSTART) ;// +YMT,00-9-1 8:18 if
this declaration is absent,?C_INITSEG will has no termination
EXTRN CODE (main)
EXTRN CODE (main_loop)
EXTRN CODE (CMD_ir_bit_receive) ;// remote control
receive interrupt 02-10-30 15:07
EXTRN CODE (TM_timer_1_int) ;// TBT interrupt 02-
10-30 15:07
EXTRN DATA (g_hsync_counter) ;// AFT hsync count 02-
10-30 15:08
; EXTRN IDATA (g_scan_h_counter) ;// -DWZ,A01V01
needn't g_scan_h_counter 02-10-30 14:47
; EXTRN IDATA (g_scan_v_counter) ;// -dwz,a01v01
needn't g_scan_v_counter 02-10-30 14:49
EXTRN BIT (F_t0_int) PUBLIC ?C_STARTUP CSEG AT 0H
?C_STARTUP:
ljmp C_START ; /*
can't use ljmp main directly,see comment in C_START */
;
CSEG AT 3H
ljmp CMD_ir_bit_receive
;
CSEG AT 7H ; /*
fix address for jump to main loop,added at 00-4-19 11:34 */
ljmp main_loop ; /* if it is
modificated,modify routine TC_to_main_loop() also */
;
CSEG AT 0bH ; /*
timer 0 */
setb F_t0_int
ljmp CMD_ir_bit_receive
;
CSEG AT 13H
;/* ++g_hsync_counter */
inc g_hsync_counter
reti
;
CSEG AT 1bH
ljmp TM_timer_1_int
;
CSEG AT 23H
reti
;
; CSEG AT 2bH
; clr ADC
; reti
;
CSEG AT 43H
reti ;ljmp CS_watchdog_int
;
CSEG AT 53H
clr AVS
reti ;ljmp CS_acq_vsync_int
;
; CSEG AT 5bH ;//-
DWZ,02-10-30 15:03
; push ACC ;//-
DWZ,02-10-30 15:03
; mov A,R0 ;//-
DWZ,02-10-30 15:03
; push ACC ;//-
DWZ,02-10-30 15:03
; clr DVS ;//-
DWZ,02-10-30 15:03
;/* ++g_vsynCounter */
; mov R0,#g_scan_v_counter ;//-DWZ,02-10-
30 15:03
; inc @R0 ;//-
DWZ,02-10-30 15:03
;/* return; */
; pop ACC ;//-
DWZ,02-10-30 15:03
; mov R0,A ;//-
DWZ,02-10-30 15:03
; pop ACC ;//-
DWZ,02-10-30 15:03
; reti ;//-
DWZ,02-10-30 15:03
;
CSEG AT 93H
reti ;ljmp CS_acq_hsync_int
;
; CSEG AT 9bH ;//-
DWZ,02-10-30 15:03
; clr DHS ;//-
DWZ,02-10-30 15:03
;/* ++g_scan_h_counter */
;// inc g_scan_h_counter
; push ACC ;//-
DWZ,02-10-30 15:03
; mov A,R0 ;//-
DWZ,02-10-30 15:03
; push ACC ;//-
DWZ,02-10-30 15:03
; mov R0,#g_scan_h_counter+1 ;//-
DWZ,02-10-30 15:03
; inc @R0 ;//-
DWZ,02-10-30 15:03
; mov A,@R0 ;//-
DWZ,02-10-30 15:03
; jnz _scan_h_ct_end ;//-
DWZ,02-10-30 15:03
; dec R0 ;//-
DWZ,02-10-30 15:03
; inc @R0 ;//-
DWZ,02-10-30 15:03
;/* return; */
;_scan_h_ct_end: ;//-DWZ,02-10-
30 15:03
; pop ACC ;//-
DWZ,02-10-30 15:03
; mov R0,A ;//-
DWZ,02-10-30 15:03
; pop ACC ;//-
DWZ,02-10-30 15:03
; reti ;//-
DWZ,02-10-30 15:03
;
RSEG ?C_C51STARTUP C_START:
IF IBPSTACK <> 0
EXTRN DATA (?C_IBP) mov ?C_IBP,#LOW IBPSTACKTOP
ENDIF
;/*=========02-11-18 9:29============*/
;//if IDATALEN <> 0
;// MOV R0,#IDATALEN - 1
;// CLR A
;//IDATALOOP: MOV ......
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