www.pudn.com > 8202S.rar > amp_gui.c
#include "osd.h"
#include "iop.h"
#ifdef TDA7448
#include "tda7448.c"
#endif
#ifdef PT2258
#include "pt2258.c"
#endif
BYTE subvol_time_out = 0 ;
BYTE current_channel = 0;
#if defined(DOLBY_AMP_VOLUME_CTRL)
/*
channel: 0--6
1-6->sub channel vol
vol:0-->79dB
*/
void subvol_channel_volume(BYTE channel,BYTE vol)
{
#ifdef SUPPORT_APOGEE_AMP
ddx_set_channel_vol(channel, vol);
#endif
#ifdef TAS_5026_PWM
tas_5026_channel_vol(channel, vol);
#endif
}
#endif
#if defined(TDA7448)||defined(PT2258)||defined(DOLBY_AMP_VOLUME_CTRL)
#ifdef DOLBY_AMP_VOLUME_CTRL
#ifdef TAS_5026_PWM
char *channel_str[6]={"FRONT L","FRONT R","SURROUND L","SURROUND R","CENTER","LFE",};
#else
//char *channel_str[6]={"LFE","SURROUND R","SURROUND L","CENTER","FRONT R","FRONT L"};
char *channel_str[6]={"FRONT L","FRONT R","SURROUND L","SURROUND R","CENTER","LFE",};
#endif
#else
char *channel_str[6]={"SW","SR","SL","CE","FR","FL"};
//BYTE channel_str[6]={STR_SUB_CH,STR_SR_CH,STR_SL_CH,STR_C_CH,STR_FR_CH,STR_FL_CH};
#endif
/*
current_channel:
0->main
1->ch1
2->ch2
3->ch3
4->ch4
5->ch5
6->ch6
*/
BYTE volum_list[7];
BYTE channel_vol_offset[6] = {CH1_VOL,CH2_VOL,CH3_VOL,CH4_VOL,CH5_VOL,CH6_VOL};
#define GET_ABSOLUTE_VALUE(channel) (volum_list[0]+channel_vol_offset[channel-1]-(CH_VOL_MAX/2))
#ifdef SAVE_AMP_VOLUME
/*
channel:
main 0
fl 1
fr 2
sl 3
sr 4
ce 5
lfe 6
global var: volum_list
AMPLIFIER_START 228
bass offset 7
treble offset 8
*/
#define AMPLIFIER_START 228
extern BYTE ddx_Bass_lev;
extern BYTE ddx_Treble_lev;
void save_amp_variable(BYTE ch)
{
BYTE data;
#ifdef SUPPORT_APOGEE_AMP
data = ddx_Treble_lev;
WriteToI2c(I2C_ID_MEMORY, AMPLIFIER_START+8,&data, 1);
#endif
if(ch==0)
{
}
else if ((ch > 0)&&(ch<7))
{
data = channel_vol_offset[ch-1];
WriteToI2c(I2C_ID_MEMORY, AMPLIFIER_START+ch,&data, 1);
#ifdef DEBUG_VOLUME
printf("save ch %d data %d\n",ch,data);
#endif
}
}
void load_amp_variable()
{
BYTE data,ch;
int res;
for(ch = 1;ch<7;ch++)
{
res = ReadFromI2c(I2C_ID_MEMORY, AMPLIFIER_START+ch,&data, 1);
if(res == 1)//no error
{
#ifdef DEBUG_VOLUME
printf("load ch %d data %d\n",ch,data);
#endif
if(data <= CH_VOL_MAX)
channel_vol_offset[ch-1] = data;
}
}
}
#endif
extern void init_tas_5026();
void init_subvol()
{
BYTE ch;
#ifdef PT2258
init_pt2258();
#endif
#ifdef TAS_5026_PWM
init_tas_5026();
#endif
volum_list[0] = MAIN_VOL;
#ifdef SAVE_AMP_VOLUME
load_amp_variable();
#endif
for(ch = 1;ch<7;ch++)
{
volum_list[ch] = GET_ABSOLUTE_VALUE(ch);
subvol_channel_volume(ch,volum_list[ch]);
}
/*init lineout volume*/
subvol_channel_volume(7, LINE_OUT_VOL);
subvol_channel_volume(8, LINE_OUT_VOL);
}
/*
current_channel:
0->main
1->ch1
2->ch2
3->ch3
4->ch4
5->ch5
6->ch6
*/
#define SUBVOL_TIME_OUT 8 //decrease in 500ms polling
void subvol_next_channel()
{
if(current_channel == 6)
current_channel = 0;
else
current_channel ++;
if(current_channel == 0)
psprintf(RegionValStr[REGION1], "MAIN");
else
{
subvol_time_out = SUBVOL_TIME_OUT;
psprintf(RegionValStr[REGION1], "%s",channel_str[current_channel-1]);
}
PrintOsdMsg(STR_OS_SPACE, REGION1, 1, 1);
}
/*
to come with dolby's demand
sub channel adjust from -10dB to +10dB
*/
//char channel_offset_str[];
void show_channel_msg()
{
#ifdef DEBUG_VOLUME
printf("keep ch %d %d\n",current_channel,(channel_vol_offset[current_channel-1]));
#endif
if((channel_vol_offset[current_channel-1])==(CH_VOL_MAX/2))
{
psprintf(RegionValStr[REGION1],"%s 0",channel_str[current_channel-1]);
}
else if((channel_vol_offset[current_channel-1])<(CH_VOL_MAX/2))
{
psprintf(RegionValStr[REGION1],"%s -%d",channel_str[current_channel-1],(CH_VOL_MAX/2)-(channel_vol_offset[current_channel-1]));
}
else
{
psprintf(RegionValStr[REGION1],"%s +%d",channel_str[current_channel-1],(channel_vol_offset[current_channel-1])-(CH_VOL_MAX/2));
}
PrintOsdMsg(STR_OS_SPACE, REGION1, 1, 1);
}
/*
I place this function at 500ms polling loop
so,the time out is 500ms * 10 == 5 sec
*/
void polling_channel_timeout()
{
if(subvol_time_out>0)
{
subvol_time_out--;
/* if(current_channel > 0)
{
show_channel_msg();
}*/
}
else
{
current_channel = 0;
}
}
/*
according to DOLBY's specification.
actually,we set each channel here.
*/
void subvol_main_vol()
{
BYTE ch;
for(ch = 1;ch<7;ch++)
{
volum_list[ch]=GET_ABSOLUTE_VALUE(ch);
/*huziqin 2004-5-10 avoid volume turn to 255*/
if(volum_list[ch]>(255-CH_VOL_MAX))
{
volum_list[ch] = 0;
break;
}
if(volum_list[0] == 0) //if main vol ==0,all channel set to zero
subvol_channel_volume(ch,0);
else
subvol_channel_volume(ch,volum_list[ch]);
}
}
/*
global -- volum_list[]
*/
void subvol_vol_up()
{
BYTE ch;
if(current_channel == 0) //main vol
{
/*check if reach max,according to DOLBY's spec*/
for(ch = 0;ch <7;ch ++)
{
if (volum_list[ch]>=(MAIN_VOL_MAX-1))
{
psprintf(RegionValStr[REGION1], "MAIN MAX");
PrintOsdMsg(STR_OS_SPACE, REGION1, 1, 1);
return;
}
}
volum_list[0] ++;
subvol_main_vol();
psprintf(RegionValStr[REGION1], "MAIN %d",volum_list[0]);
PrintOsdMsg(STR_OS_SPACE, REGION1, 1, 1);
}
else//channel vol
{
subvol_time_out = SUBVOL_TIME_OUT;
volum_list[current_channel] = GET_ABSOLUTE_VALUE(current_channel);
if(volum_list[current_channel]>=(MAIN_VOL_MAX-1))
{
return;
}
if((channel_vol_offset[current_channel-1])0)
volum_list[0] --;
subvol_main_vol();
psprintf(RegionValStr[REGION1], "MAIN %d",volum_list[0]);
PrintOsdMsg(STR_OS_SPACE, REGION1, 1, 1);
}
else//channel vol
{
subvol_time_out = SUBVOL_TIME_OUT;
volum_list[current_channel] =GET_ABSOLUTE_VALUE(current_channel);
if(volum_list[current_channel]==0)
{
return;
}
if((channel_vol_offset[current_channel-1])>0)
(channel_vol_offset[current_channel-1])--;
subvol_channel_volume(current_channel, volum_list[current_channel]);
show_channel_msg();
PrintOsdMsg(STR_OS_SPACE, REGION1, 1, 1);
}
#ifdef SAVE_AMP_VOLUME
save_amp_variable(current_channel);
#endif
}
//******************************************************
//wuzhj 2004/12/10
//for Radio new UI vol control
// Radio_vol_up();Radio_vol_down();Radio_main_vol()
//******************************************************
#ifdef SUPPORT_Radio_NEW_UI //wuzhj 2004/12/10
void Radio_vol_up()
{
BYTE ch;
if(current_channel == 0) //main vol
{
/*check if reach max,according to DOLBY's spec*/
for(ch = 0;ch <7;ch ++)
{
if (volum_list[ch]>=(MAIN_VOL_MAX-1))
{
return;
}
}
volum_list[0] ++;
subvol_main_vol();
psprintf(RegionValStr[REGION1], " MAIN %d",volum_list[0]);
//PrintOsdMsg(STR_OS_SPACE, REGION1, 1, 1);
//osd_DrawString(18+8, 2-2, RegionValStr[REGION1], 2, 11);
}
else//channel vol
{
subvol_time_out = SUBVOL_TIME_OUT;
volum_list[current_channel] = GET_ABSOLUTE_VALUE(current_channel);
if(volum_list[current_channel]>=(MAIN_VOL_MAX-1))
{
return;
}
if((channel_vol_offset[current_channel-1])0)
volum_list[0] --;
subvol_main_vol();
psprintf(RegionValStr[REGION1], " MAIN %d",volum_list[0]);
//PrintOsdMsg(STR_OS_SPACE, REGION1, 1, 1);
}
else//channel vol
{
subvol_time_out = SUBVOL_TIME_OUT;
volum_list[current_channel] =GET_ABSOLUTE_VALUE(current_channel);
if(volum_list[current_channel]==0)
{
return;
}
if((channel_vol_offset[current_channel-1])>0)
(channel_vol_offset[current_channel-1])--;
subvol_channel_volume(current_channel, volum_list[current_channel]);
show_channel_msg();
PrintOsdMsg(STR_OS_SPACE, REGION1, 1, 1);
}
#ifdef SAVE_AMP_VOLUME
save_amp_variable(current_channel);
#endif
}
void Radio_main_vol()
{
BYTE ch;
for(ch = 1;ch<7;ch++)
{
volum_list[ch]=GET_ABSOLUTE_VALUE(ch);
//huziqin 2004-5-10 avoid volume turn to 255
if(volum_list[ch]>(255-CH_VOL_MAX))
{
volum_list[ch] = 0;
break;
}
if(volum_list[0] == 0) //if main vol ==0,all channel set to zero
subvol_channel_volume(ch,0);
else
subvol_channel_volume(ch,volum_list[ch]);
}
psprintf(RegionValStr[REGION1], " MAIN %d",volum_list[0]);
}
#endif//#ifdef SUPPORT_Radio_NEW_UI //wuzhj 2004/12/10
#endif //defined(TDA7448)||defined(PT2258)