📄 rm_all.c
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/******************************************************************************
#ifdef DOC
File Name :remocon.c
Description :Remocon code recieve
Remark :
Date :04/03/01
Copyright :Matsushita Electric Industrial Co.,ltd.
#endif
******************************************************************************/
/************************************
include files
*************************************/
#include "reg52.h"
#include "struct.h"
#include "macrodef.h"
#include "remocon.h"
/***********************************
Macro define
***********************************/
#define REMO_SYSCODE 0x00
/***********************************
variable declaration
***********************************/
unsigned char rem_code; /* remote code receive */
REMO_FRAME remodata;
/*Flags remo_flags;
#define Frem_ok remo_flags.b_flag.f0
#define Fremin remo_flags.b_flag.f1
#define Fre_lead remo_flags.b_flag.f2
*/
bit Frem_ok ;
bit Fremin ;
bit Fre_lead;
//unsigned long int rem_data_tmp; /* */
unsigned char re_modc; /* */
unsigned char re_lead_width; /* */
unsigned char re_with; /* */
unsigned char re_blnk; /* */
unsigned char re_loc; /* */
unsigned char re_data; /* */
unsigned char re_err; /* */
/*********************************************
prototype declarations
*********************************************/
void vRMC_remocon(void);
void rm_blk(void);
void irq0(void);
void getrem(void);
extern unsigned char ucIIC_EEP_read(unsigned int addr);
extern void vIIC_EEP_write(unsigned int addr, unsigned char regdata);
//#define USE_PANAX_REMOCON
#ifdef USE_PANAX_REMOCON
/*------------------------------------------------------------------*/
/* Remocon KEY Table */
/*------------------------------------------------------------------*/
const unsigned char re_key[ ][3] = {
/* Code Code_, Name */
{0x30, 0xCF, KEY_POWER }, /* 1 POWER */
{0x10, 0xEF, KEY_DISPLAY }, /* 2 DISPLAY */
{0x00, 0xFF, KEY_OPENCLS }, /* 3 OPEN/CLOSE */
{0xB0, 0x4F, KEY_TVSYSTEM }, /* 4 PAL/NTSC */
{0x90, 0x6F, KEY_KEY1 }, /* 5 1 */
{0xA0, 0x5F, KEY_KEY2 }, /* 6 2 */
{0x80, 0x7F, KEY_KEY3 }, /* 7 3 */
{0xD2, 0x2D, KEY_KEY4Y }, /* 8 4 */
{0xE2, 0x1D, KEY_KEY5 }, /* 9 5 */
{0xC2, 0x3D, KEY_KEY6 }, /* 10 6 */
{0x52, 0xAD, KEY_KEY7 }, /* 11 7 */
{0x62, 0x9D, KEY_KEY8 }, /* 12 8 */
{0x42, 0xBD, KEY_KEY9 }, /* 13 9 */
{0x92, 0x6D, KEY_KEY11 }, /* 14 10+ */
{0xA2, 0x5D, KEY_KEY00 }, /* 15 0 */
{0xF2, 0x0D, KEY_ANGLE }, /* 16 ANGLE */
{0x72, 0x8D, KEY_SUBTITLE }, /* 17 SUBTITLE */
{0xB2, 0x4D, KEY_PLAYMODE }, /* 18 LANGUAGE */
{0x82, 0x7D, KEY_CLEAR }, /* 19 CLEAR */
{0x32, 0xCD, KEY_MUTE }, /* 20 MUTE */
{0x12, 0xED, KEY_3D }, /* 21 3D */
{0x22, 0xD4, KEY_SEARCH }, /* 22 SEARCH */
{0x02, 0xFD, KEY_ZOOM }, /* 23 ZOOM */
{0xF0, 0x0F, KEY_MENU }, /* 24 MENU */
{0xC0, 0x3F, KEY_TOPTITIL }, /* 25 TITLE */
{0xE0, 0x1F, KEY_UP }, /* 26 UP */
{0xD0, 0x2F, KEY_DOWN }, /* 27 DOWN */
{0x70, 0x8F, KEY_LEFT }, /* 28 LEFT */
{0x50, 0xAF, KEY_RIGHT }, /* 29 RIGHT */
{0x60, 0x9F, KEY_ENTER }, /* 30 OK */
{0xF8, 0x07, KEY_SETUP }, /* 31 SETUP */
{0xC8, 0x37, KEY_PCB }, /* 32 PBC */
{0x3A, 0xC5, KEY_SPEAK }, /* 33 TSM */
{0x1A, 0xE5, KEY_INTERLACE }, /* 34 INTERLACE */
{0x2A, 0xD5, KEY_VOLUMEMNS }, /* 35 VOLUME - */
{0x0A, 0xF5, KEY_VOLUMEPLS }, /* 36 VOLUME + */
{0xBA, 0x45, KEY_DIGEST }, /* 37 DIGEST */
{0x9A, 0x65, KEY_KALAOKE }, /* 38 KALAOKE */
{0xAA, 0x55, KEY_AUDIO }, /* 39 AUDIO */
{0x8A, 0x75, KEY_RETURN }, /* 40 RETURN */
{0x7A, 0x85, KEY_ABREP }, /* 41 A-B */
{0x5A, 0xA5, KEY_REPEAT }, /* 42 REPEAT */
{0x6A, 0x95, KEY_MARK }, /* 43 MARK */
{0x4A, 0xB5, KEY_IMAGE }, /* 44 VIDEO ADJUST*/
{0xFA, 0x05, KEY_BWDSKIP }, /* 45 PREVIOUS */
{0xFA, 0x35, KEY_FWDSKIP }, /* 46 NEXT */
{0xEA, 0x15, KEY_BWDSEARCH }, /* 47 B.WD */
{0xCA, 0x35, KEY_FWDSEARCH }, /* 48 F.WD */
{0x38, 0xC7, KEY_STOP }, /* 49 STOP */
{0x18, 0xE7, NO_KEY }, /* 50 X */
{0x28, 0xD7, KEY_PAUSE }, /* 51 PAUSE/STEP */
{0x08, 0xF7, KEY_PLAY } /* 52 PLAY */
};
#endif
void dummy(void)
{}
void vRMC_remocon(void)
{
/*REM_FRAME now_remodata=remodata;*/
unsigned char tmp1,tmp2,tmp3,tmp4;
if (!Frem_ok)
{
goto ERR; /* receive not finish ,then return*/
}
/*receive 1 frame ok , process and reset the flag*/
Frem_ok = 0;
tmp1=remodata.rem_format.verify.low;
tmp2=remodata.rem_format.verify.high;
tmp3=remodata.rem_format.data_pos;
tmp4=~remodata.rem_format.data_neg;
if((tmp3==tmp4)&&(tmp1==tmp2)) /* check the recieved data is correct or not */
{
{rem_code=remodata.rem_format.data_pos;} /* get the remocon code in the frame */
}
ERR:
/*rm_err();*/
dummy();
}
void getrem(void) /*do in every timer0 irq */
{
switch(re_modc)
{case 0:
if (Fremin) /* if irq0 occured */
{
Fremin = 0; /* Clear IRQO Flag */
if(Fre_lead==0) /*re_lead_width==0 means is the lead start*/
{ Fre_lead=1 ; break;}
if(Fre_lead==1)
{ re_lead_width++;}
#if 0
if (re_lead_width <=30 ) /* about 13.4msec=440usec *30 */
{ /* if lead code width is less then 13.4ms, so the lead is NG*/
Fre_lead=0 ;
re_lead_width=0;
re_loc=0;
re_with =0; /* conter for pluse width caculate */
re_modc=0;
}
else /* lead code is ok */
{
re_loc = 0; /* */
re_with = 0;
re_lead_width=0;
Fre_lead=0;
re_modc = 1; /* go to bit receive mode */
}
#endif
/**/
}
else
{if(Fre_lead==1)
{
/*if (re_lead_width <= 32)*/
{
re_lead_width++;
if(P20&&(re_lead_width>=22)&&re_lead_width<=30)
{
re_loc = 0; /**/
re_with = 0;
re_lead_width=0;
/*Fre_lead=0;*/
re_modc = 1;
}
}
}
}
break;
case 1: /* */
if (Fremin) /* check the IRQ input */
{ /* The 2th fall edge of the frame */
Fremin = 0; /* clear the IRQ flag */
re_with = 0; /* conter for pluse width cacular */
re_loc = 0; /* clear bit location */
re_modc = 2; /*next active set */
remodata.remo = 0; /*clear the recive memory*/
}
break;
case 2:
if (Fremin)
{Fremin = 0; /**/
if (re_with <= 6 )/*3.5msec=440usec*8*/
{
remodata.remo <<= 1;
/* re_blnk = re_with; */
if( re_with >= 3) /* 32.15us * 50 = 1.6ms */
{
remodata.remo |= 0x01;
}
re_loc++;
re_blnk = RE_BLANK1_CONUNT; /*?*/
/**/
if (re_loc >= REMOCON_CODE_BITE) /**/
{
re_loc = 0; /**/
/* rem_data_tmp=remodata.remo;*/
re_modc = 3; /**/
}
}
else /* re_with>6 not good data ,start again */
{
re_loc = 0; /**/
re_modc = 0; /**/
}
re_with = 0; /**/
}
else /* IRQ O not occur*/
{if (re_with <= 6) /**/
{re_with++;}
if (re_with>6)
{
re_loc = 0; /**/
re_modc = 0;
}
}
break;
case 3: /* Fremin==Flag remocon in */
if (Fremin)
{
/*Fremin = 0; */
re_with = 0; /**/
re_modc = 0; /**/
remodata.remo = 0;
}
else{
re_modc = 0;
Frem_ok = 1; /*1 frame receive */
}
break;
case 4: /*reverse for abnormal mode ,eg when mcu run in sleep mode */
if (Fremin) { /* */
Fremin = 0; /**/
re_with = 0; /**/
re_blnk = RE_BLANK1_CONUNT;
}
else { /**/
if (re_with < 7){ /**/
re_with++; /*pluse width conter flash */
}
else{
re_loc = 0; /*Pluse too wide */
re_modc = 0; /**/
}
}
break;
default:
re_modc = 0; /* */
break;
}
}
/***********************************************************************
#ifdef DOC
TITLE : irq0
TITDOC : external irq 0 for RM input
INPUT :
OUTPUT :
DATE :
#endif
***********************************************************************/
void irq0 (void) interrupt 0 using 1
{
if (!REMIN_P)
{ /* IRQ REMIN_P:p20in=0 */
/*{ if cpu run in slow mode , then exit slow mode }*/
Fremin = 1;
}
}
void tm1irq (void) interrupt 2 using 2 /*Timer 1 work @ 400us overflow mode*/
{
getrem();
}
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