/**
* @brief LED Traffic Light!
*/
void TrafficLight()
{
LED_Red();
delay_ms(1000);
LED_Yellow();
delay_ms(1000);
LED_Green();
delay_ms(1000);
}
int main (void)
{
/* initialize the gpio pins */
Init_Pins();
/* initialize the hardware modules */
Init_Modules();
/* play the N64 starting sound */
WAV_AddToQueue(START);
while(1)
{
TEST_Toggle1(); // toggle test point
/* wait for the next main loop flag */
while(!MAIN_TimerFlag);
MAIN_TimerFlag = FALSE;
/* Check for wav file activity */
if(WAV_IsPlaying())
{
/* wav playback occuring */
if(!WAV_IsStarted())
{
/* wav file has not started playing so setup */
WAV_Finished(FALSE);
if(WAV_SetupPlayback(WAV_PlayingQueue[0]))
{
/* set up the system for WAV file playback */
WAV_Started(TRUE);
}
else
{
/* wav file could not be set up to play */
WAV_Finished(TRUE);
}
}
if(WAV_IsFinished())
{
/* wav file finished playing */
WAV_Started(FALSE);
WAV_EraseFromQueue(); // erase the file from the playback queue
if(!WAV_PlayingQueue[0])
{
/* there are no more files to play */
WAV_Playing(FALSE);
}
}
}
/* Check for digital pot activity */
if(POT_GetSteeringUpdateFlag() || POT_GetGasUpdateFlag())
{
if(POT_GetSteeringUpdateFlag())
{
/* update steering */
POT_SetSteering(255-(N64_New.Joystick[X] + 128));
POT_ClearSteeringUpdateFlag();
}
if(POT_GetGasUpdateFlag())
{
/* update throttle */
if(N64_New.A || N64_New.B)
{
/* A is pressed and B is not */
if(((N64_New.Joystick[Y] > Y_MIDPOINT_HIGH) && N64_New.A) || ((N64_New.Joystick[Y] < Y_MIDPOINT_LOW) && N64_New.B))
{
/* user is pushing forward or backward and its in range */
POT_SetGas(255-(N64_New.Joystick[Y] + 128));
}
else
{
/* user is pushing forward or backward and its not in range */
POT_SetGas(GAS_START);
}
}
else
{
/* neither A nor B is pressed */
POT_SetGas(GAS_START);
}
POT_ClearGasUpdateFlag();
}
}
/* Check for N64 controller activity */
if(N64_GetUpdateFlag())
{
if(N64_GetButtonState(&N64_New)) // get new buttons
{
if(N64_New.Joystick[Y] != N64_Old.Joystick[Y])
{
POT_SetGasUpdateFlag();
}
if(N64_New.Joystick[X] != N64_Old.Joystick[X])
{
POT_SetSteeringUpdateFlag();
}
if(N64_New.A != N64_Old.A)
{
POT_SetGasUpdateFlag();
if(N64_New.A)
{
LED_Green(ON);
}
else
{
LED_Green(OFF);
}
}
if(N64_New.B != N64_Old.B)
{
POT_SetGasUpdateFlag();
if(N64_New.B)
{
LED_Red(ON);
}
else
{
LED_Red(OFF);
}
}
if(N64_New.Z != N64_Old.Z)
{
if(N64_New.Z)
{
WAV_AddToQueue(TURTLE);
}
}
if(N64_New.R != N64_Old.R)
{
if(N64_New.R)
{
WAV_AddToQueue(BANANA);
}
}
memcpy(&N64_Old, &N64_New, sizeof(TYPE_N64_BUT));
}
N64_SetUpdateFlag(FALSE);
}
/* Check for audio amplifer diagnostic fail */
if(Audio_IsDiagnosticFail())
{
/* audio amplifier detected a problem */
Audio_Power(OFF);
}
/* Increment N64 counter */
N64_ControllerCount++;
if(N64_ControllerCount >= N64_SAMPLERATE)
{
N64_ControllerCount = 0;
N64_SetUpdateFlag(TRUE);
}
}
}