HRESULT CLCDOutput::Draw()
{
DWORD dwPriorityToUse = LGLCD_ASYNC_UPDATE(m_nPriority);
if ( (NULL == m_pActiveScreen) ||
(LGLCD_INVALID_DEVICE == m_hDevice) ||
(LGLCD_PRIORITY_IDLE_NO_SHOW == dwPriorityToUse) )
{
// don't submit the bitmap
return S_OK;
}
// Render the active screen
m_pActiveScreen->Draw();
// Get the active bitmap
lgLcdBitmap160x43x1* pScreen = m_pActiveScreen->GetLCDScreen();
// Only submit if the bitmap needs to be updated
// (If the priority or bitmap have changed)
DWORD res = ERROR_SUCCESS;
if (DoesBitmapNeedUpdate(pScreen))
{
res = lgLcdUpdateBitmap(m_hDevice, &pScreen->hdr, dwPriorityToUse);
HandleErrorFromAPI(res);
}
// read the soft buttons
ReadButtons();
return S_OK;
}
HRESULT CLCDOutput::Draw()
{
DWORD dwPriorityToUse;
if (m_pActiveScreen)
{
m_pActiveScreen->Draw();
dwPriorityToUse = LGLCD_ASYNC_UPDATE(m_nPriority);
}
else
{
dwPriorityToUse = LGLCD_ASYNC_UPDATE(LGLCD_PRIORITY_IDLE_NO_SHOW);
}
lgLcdBitmap160x43x1* pScreen = GetLCDScreen();
if (pScreen && (LGLCD_INVALID_DEVICE != m_hDevice))
{
DWORD res = ERROR_SUCCESS;
res = lgLcdUpdateBitmap(m_hDevice, &pScreen->hdr, dwPriorityToUse);
HandleErrorFromAPI(res);
// read the soft buttons
ReadButtons();
}
return S_OK;
}
unsigned char GetMouseSensitivity(){
unsigned char sens=-1;
if(snesMouseEnabled){
ReadButtons();
if(joypad1_status_lo&(1<<15)){
sens=(joypad1_status_lo>>10)&3;
}else if(joypad2_status_lo&(1<<15)){
/**
* Initiates teh buttons reading and detect if joypads are connected.
* When no device are plugged, the internal AVR pullup will drive the data lines high
* otherwise the controller's shift register will drive the data lines low after
* completing a transfer. (The shift register's serial input pin is tied to ground)
*
* This functions is call by the kernel during VSYNC or can be called by the user
* program when CONTROLLERS_VSYNC_READ==0.
*/
void ReadControllers(){
//Detect if devices are connected.
joypadsConnectionStatus=0;
if((JOYPAD_IN_PORT&(1<<JOYPAD_DATA1_PIN))==0) joypadsConnectionStatus|=1;
if((JOYPAD_IN_PORT&(1<<JOYPAD_DATA2_PIN))==0) joypadsConnectionStatus|=2;
//read the standard buttons
ReadButtons();
}
void ReadControllers(){
//detect if joypads are connected
//when no connector are plugged, the internal AVR pullup will drive the line high
//otherwise the controller's shift register will drive the line low.
joypadsConnectionStatus=0;
if((JOYPAD_IN_PORT&(1<<JOYPAD_DATA1_PIN))==0) joypadsConnectionStatus|=1;
if((JOYPAD_IN_PORT&(1<<JOYPAD_DATA2_PIN))==0) joypadsConnectionStatus|=2;
//read the standard buttons
ReadButtons();
}
void Initialize(void){
int i;
if(!isEepromFormatted()) FormatEeprom();
cli();
//Initialize the mixer buffer
for(i=0;i<MIX_BANK_SIZE*2;i++){
mix_buf[i]=0x80;
}
mix_pos=mix_buf;
mix_bank=0;
for(i=0;i<CHANNELS;i++){
mixer.channels.all[i].volume=0;
}
#if MIXER_CHAN4_TYPE == 0
//initialize LFSR
tr4_barrel_lo=1;
tr4_barrel_hi=1;
tr4_params=0b00000001; //15 bits no divider (1)
#endif
#if UART_RX_BUFFER == 1
uart_rx_buf_start=0;
uart_rx_buf_end=0;
#endif
#if MIDI_IN == 1
UCSR0B=(1<<RXEN0); //set UART for MIDI in
UCSR0C=(1<<UCSZ01)+(1<<UCSZ00);
UBRR0L=56; //31250 bauds (.5% error)
#endif
//stop timers
TCCR1B=0;
TCCR0B=0;
//set ports
DDRC=0xff; //video dac
DDRB=0xff; //h-sync for ad725
DDRD=(1<<PD7)+(1<<PD4); //audio-out + led
PORTD|=(1<<PD4)+(1<<PD3)+(1<<PD2); //turn on led & activate pull-ups for soft-power switches
//setup port A for joypads
DDRA =0b00001100; //set only control lines as outputs
PORTA=0b11111011; //activate pullups on the data lines
//PORTD=0;
//set sync parameters. starts at odd field, in pre-eq pulses, line 1
sync_phase=SYNC_PHASE_PRE_EQ;
sync_pulse=SYNC_PRE_EQ_PULSES;
//set rendering parameters
render_lines_count_tmp=FRAME_LINES;
first_render_line_tmp=FIRST_RENDER_LINE;
//clear timers
TCNT1H=0;
TCNT1L=0;
//set sync generator counter on TIMER1
OCR1AH=HDRIVE_CL_TWICE>>8;
OCR1AL=HDRIVE_CL_TWICE&0xff;
TCCR1B=(1<<WGM12)+(1<<CS10);//CTC mode, use OCR1A for match
TIMSK1=(1<<OCIE1A); //generate interrupt on match
//set clock divider counter for AD725 on TIMER0
//outputs 14.31818Mhz (4FSC)
TCCR0A=(1<<COM0A0)+(1<<WGM01); //toggle on compare match + CTC
OCR0A=0; //divide main clock by 2
TCCR0B=(1<<CS00); //enable timer, no pre-scaler
//set sound PWM on TIMER2
TCCR2A=(1<<COM2A1)+(1<<WGM21)+(1<<WGM20); //Fast PWM
OCR2A=0; //duty cycle (amplitude)
TCCR2B=(1<<CS20); //enable timer, no pre-scaler
SYNC_PORT=(1<<SYNC_PIN)|(1<<VIDEOCE_PIN); //set sync & chip enable line to hi
burstOffset=0;
curr_frame=0;
vsync_phase=0;
joypad1_status_hi=0;
joypad2_status_hi=0;
snesMouseEnabled=false;
sound_enabled=1;
//enable color correction
ReadButtons();
if(ReadJoypad(0)&BTN_B){
SetColorBurstOffset(4);
}
InitializeVideoMode();
sei();
DisplayLogo();
}
//----------------------------------------------------------------------------//
void Menu(void)
{
ReadButtons();
if( Button1Pressed && Button2Pressed) // si se han presionado ambos botones
{
++MenuIn;
}
else
{
MenuIn = 0;
}
if(MenuIn >=250)
{
MenuIndex = 1;
MenuIn = 0;
}
else
{
MenuIndex = 0;
}
if(MenuIndex != 0)
{
switch(MenuIndex)
{
case 0:
{
}
break;
case 1:
{
LED_1 = 1;
LED_2 = 1;
ConsolePutROMString((ROM char *)"\r\n MENU : Temperature Calibration ");
while((Button1Pressed)&&(Button2Pressed))
{
if( MiApp_MessageAvailable())
{
MiApp_DiscardMessage();
}
ReadButtons();
ClrWdt();
}
ConsolePutROMString((ROM char *)"\r\n SW1: Increase offset value || SW2 Decrease offset value");
Button1Released = 1;
Button2Released = 1;
Exit = 0xff;
OffsetValue = 100;
while(Exit)
{
ReadButtons();
if( Button1Pressed && Button2Pressed) // si se han presionado ambos botones
{
Exit = 0;
ConsolePutROMString((ROM char *)"\r\nExit");
}
else
{
if( Button1Pressed && Button1Released) //
{
Button1Released = 0;
++OffsetValue;
LED_1 ^= 1;
LED_2 ^= 1;
ConsolePutROMString((ROM char *)"\r\nIncreased offset value");
}
if( Button2Pressed && Button2Released) //
{
Button2Released = 0;
--OffsetValue;
LED_1 ^= 1;
LED_2 ^= 1;
ConsolePutROMString((ROM char *)"\r\nDecreased offset value");
}
}
if( MiApp_MessageAvailable())
{
MiApp_DiscardMessage();
}
ClrWdt();
}
while((Button1Pressed)&&(Button2Pressed))
{
if( MiApp_MessageAvailable())
{
MiApp_DiscardMessage();
}
ReadButtons();
ClrWdt();
}
}
break;
case 2:
{
}
break;
case 3:
{
}
break;
default: break;
}
}
}
