timer2.src

采用台湾MRT晶捷公司的MRT4方案的液晶电视的程序

; TIMER2.SRC generated from: TIMER2.C

$NOMOD51

NAME	TIMER2

P0	DATA	080H
P1	DATA	090H
P2	DATA	0A0H
P3	DATA	0B0H
PSW	DATA	0D0H
ACC	DATA	0E0H
B	DATA	0F0H
SP	DATA	081H
DPL	DATA	082H
DPH	DATA	083H
PCON	DATA	087H
TCON	DATA	088H
TMOD	DATA	089H
TL0	DATA	08AH
TL1	DATA	08BH
TH0	DATA	08CH
TH1	DATA	08DH
IE	DATA	0A8H
IP	DATA	0B8H
SCON	DATA	098H
SBUF	DATA	099H
T2CON	DATA	0C8H
RCAP2L	DATA	0CAH
RCAP2H	DATA	0CBH
TL2	DATA	0CCH
TH2	DATA	0CDH
CY	BIT	0D0H.7
AC	BIT	0D0H.6
F0	BIT	0D0H.5
RS1	BIT	0D0H.4
RS0	BIT	0D0H.3
OV	BIT	0D0H.2
P	BIT	0D0H.0
TF1	BIT	088H.7
TR1	BIT	088H.6
TF0	BIT	088H.5
TR0	BIT	088H.4
IE1	BIT	088H.3
IT1	BIT	088H.2
IE0	BIT	088H.1
IT0	BIT	088H.0
EA	BIT	0A8H.7
ES	BIT	0A8H.4
ET1	BIT	0A8H.3
EX1	BIT	0A8H.2
ET0	BIT	0A8H.1
EX0	BIT	0A8H.0
PS	BIT	0B8H.4
PT1	BIT	0B8H.3
PX1	BIT	0B8H.2
PT0	BIT	0B8H.1
PX0	BIT	0B8H.0
RD	BIT	0B0H.7
WR	BIT	0B0H.6
T1	BIT	0B0H.5
T0	BIT	0B0H.4
INT1	BIT	0B0H.3
INT0	BIT	0B0H.2
TXD	BIT	0B0H.1
RXD	BIT	0B0H.0
SM0	BIT	098H.7
SM1	BIT	098H.6
SM2	BIT	098H.5
REN	BIT	098H.4
TB8	BIT	098H.3
RB8	BIT	098H.2
TI	BIT	098H.1
RI	BIT	098H.0
ET2	BIT	0A8H.5
PT2	BIT	0B8H.5
T2EX	BIT	090H.1
T2	BIT	090H.0
TF2	BIT	0C8H.7
EXF2	BIT	0C8H.6
RCLK	BIT	0C8H.5
TCLK	BIT	0C8H.4
EXEN2	BIT	0C8H.3
TR2	BIT	0C8H.2
C_T2	BIT	0C8H.1
CP_RL2	BIT	0C8H.0
SDAPin	BIT	090H.6
SCLPin	BIT	090H.7
WPPin	BIT	090H.5
ResetPin	BIT	0A0H.0
BrightnessPin	BIT	0B0H.5
VGA_CON_PIN	BIT	0A0H.5
LED_O_Pin	BIT	080H.0
LED_G_Pin	BIT	080H.1
PANEL_VCC_PIN	BIT	0A0H.2
PANEL_BKL_PIN	BIT	0A0H.3
POWER_BUT_PIN	BIT	090H.4
MENU_BUT_PIN	BIT	090H.1
RIGHT_BUT_PIN	BIT	090H.2
LEFT_BUT_PIN	BIT	090H.3
AUTO_BUT_PIN	BIT	090H.0
; /************************************************
; *                                               *
; * timer2.c:  Timer control routines.
; *                                               *
; *************************************************/
; #include "mosaic.h"
; #include <reg52.h>
; #include "OSD.h"
; #include "global.h"
; #if USE_TIMER2
; 
; 
; 
; 
; 
; 
; 
; /**************************************************************
; * Timer interrupt service routine                             *
; ***************************************************************/
; static void timer2_isr(void) interrupt 5
; {
;         TF2 = 0;
;         if (BPWM_HiLo)  //low time
;         {
;                 TH2 = (brighttimerL >> 8);
;                 TL2 = (brighttimerL & 0x00FF);
;                 BPWM_HiLo=0;
;                 BrightnessPin = 0;
;         }
;         else    //high time
;         {
;                 TH2 = (brighttimerH >> 8);
;                 TL2 = (brighttimerH & 0x00FF);
;                 BPWM_HiLo=1;
;                 BrightnessPin = 1;
;         }
; }
; 
; /****************************************
; * Timer interrupt initialization        *
; *****************************************/
; void timer2_init(void)
; {
; 
;         /* set timer mode as software control interrupt and run on 16-bit auto-reload mode */
;     	T2CON &= ~0xE6;
; 
;         /* enable timer 2 interrupt globally */
;         ET2 = 1;
; 
; }
; 
; /****************************************
; * Start Timer                           *
; *****************************************/
; void timer2_start (void)
; {
; 
;         TR2 = 1;                        //set bright timer on
; }
; 
; /****************************************
; * Stop Timer                            *
; *****************************************/
; void timer2_stop (void)
; {
;     	TR2 = 0;
;     	BrightnessPin = 0;
; }
; 
; 
; void setBrightness(unsigned char brightness)
; {
; 
;         if (brightness == MAX_brightness) {
;         	timer2_stop();          
;         	BrightnessPin = 1;
;         } else {
;         	brighttimerL = (unsigned int)(brightness * ((bright_time_Max - bright_time_Min)/100)) + DEF_brightvalue;
;         	brighttimerH = bright_time_Max - brighttimerL + DEF_brightvalue;
;         	timer2_start();         
;         }
; 
; #if DEBUGMSG
;         printf("setBright %d\n", (unsigned int)brightness);
; #endif
; }
; 
; #endif //USE_TIMER2
; *** sync lost ***
; *** sync lost ***
; *** sync lost ***
; *** sync lost ***
; *** sync lost ***
; *** sync lost ***
; *** sync lost ***
; *** sync lost ***
; *** sync lost ***
	END