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Ignore whitespace Rev 54 → Rev 53

/IR-TX-BL/branches/LED-CTRL_V0.01/main.c
59,9 → 59,9
{
if (ppm > 2100) ppm = 2100;
if (ppm < 900) ppm = 900;
ppm = (ppm_signal * 3 + ppm) / 4;
ppm = (ppm_signal * 7 + ppm) / 8;
ppm_signal = ppm;
if (ppm_new < 50) ppm_new++;
ppm_new = 1;
}
}
109,7 → 109,6
PORTB = PORTB_BAK;
PORTD = PORTD_BAK;
 
if (ms1++ == 32)
{
ms1=0;
137,7 → 136,6
}
 
 
 
char CheckDelay(unsigned int t)
{
unsigned char temp_hi;
183,19 → 181,20
 
 
/*##############################################################################*/
unsigned int GetPPM(void)
int GetPPM(void)
{
//this routines seems to be nesseccary, as reading a 16 bit value
//on a 8 bit machine is not atomic, so if an interrupt apears between reading
//low and high byte of the 16 bit value a wrong result is possible
unsigned char temp_hi;
unsigned char temp_lo;
unsigned char intmask;
unsigned int ppm_temp;
 
temp_hi = (ppm_signal >> 8);
temp_lo = (ppm_signal & 0xff);
if (temp_hi != (ppm_signal >> 8)) temp_hi = (ppm_signal >> 8);
return( (temp_hi << 8) | temp_lo);
intmask = TIMSK; //backup interupt enable bits
TIMSK &= ~(1<<TICIE1); //disable ppm interrupt
ppm_temp = ppm_signal;
TIMSK = intmask; //restore interupt enable bits
return(ppm_temp); //return ppm_signal
 
}
 
205,28 → 204,11
/*##############################################################################*/
int main (void)
{
 
#define step 128
#define mul 2
#define sigeepadr 0x00
#define mineepadr 0x20
#define maxeepadr 0x22
#define eepsig 0x55aa
 
 
 
unsigned int i;
unsigned int ppm;
unsigned int setupdly;
unsigned int ppmtodly;
unsigned int lmax;
unsigned int lmin;
unsigned int max;
unsigned int min;
unsigned int sig;
unsigned char setup;
unsigned char colorState;
unsigned char nextcolorState=0;
 
 
DDRB = (CH0_B|CH1_B|CH2_B);
PORTB = 0x00;
 
243,10 → 225,7
ch4 = 0;
ch5 = 0;
 
lmax = 0x0000;
lmin = 0xffff;
 
StartUART();
//StartUART();
StartPPM();
//StartI2C();
StartPWM();
253,128 → 232,80
sei();
 
 
min = 1100;
max = 1900;
// Farbablauf: rot > Violett > blau > tuerkis > gruen > gelb >
 
if (eeprom_read_word(sigeepadr) != eepsig)
{
eeprom_write_word(mineepadr, min);
eeprom_write_word(maxeepadr, max);
eeprom_write_word(sigeepadr, eepsig);
}
else
{
min = eeprom_read_word(mineepadr);
max = eeprom_read_word(maxeepadr);
}
 
printf("ppm: %d / min: %d / max: %d\n",ppm,min,max);
 
 
setup = 0;
setupdly = SetDelay(3000);
ppmtodly = SetDelay(5000);
colorState = 0;
while (1)
{
 
if (ppm_new > 20)
{
PORTC clrbit ledred;
ppm = GetPPM();
ppmtodly = SetDelay(500);
if (lmax < ppm) lmax=ppm;
if (lmin > ppm) lmin=ppm;
}
else
{
PORTC setbit ledred;
ppm = min;
}
if (CheckDelay(ppmtodly))
{
ppmtodly = SetDelay(5000);
ppm_new = 0;
}
/*
#define step 128
#define mul 2
 
if ((ppm > 1600) && ((setup&1)==0)) setup++;
if ((ppm < 1400) && ((setup&1)==1)) setup++;
if (setup == 6)
if ((ppm >= (step * 0) && (ppm < (step * 1))) ch0 = mul * ((ppm - (step * 0)));
if ((ppm >= (step * 1)) && (ppm < (step * 2))) ch1 = mul * ((ppm - (step * 1)));
if ((ppm >= (step * 2)) && (ppm < (step * 3))) ch0 = mul * ((step - 1) - (ppm - (step * 2)));
if ((ppm >= (step * 3)) && (ppm < (step * 4))) ch2 = mul * ((ppm - (step * 3)));
if ((ppm >= (step * 4)) && (ppm < (step * 5))) ch1 = mul * ((step - 1) - (ppm - (step * 4)));
if ((ppm >= (step * 5)) && (ppm < (step * 6))) ch0 = mul * ((ppm - (step * 5)));
if ((ppm >= (step * 6)) && (ppm < (step * 7))) ch2 = mul * ((step - 1) - (ppm - (step * 6)));
 
//printf("%d ",ppm);
*/
 
for (i=0; i<=255; i++)
{
PORTD setbit ledgreen;
eeprom_write_word(mineepadr, lmin);
eeprom_write_word(maxeepadr, lmax);
min = lmin;
max = lmax;
setupdly = SetDelay(2000);
}
if (CheckDelay(setupdly))
{
setup = 0;
PORTD clrbit ledgreen;
}
switch(colorState)
{
case 0:
ch0 = i; //fade in (ch0) red
nextcolorState = 2;
break;
 
//printf("ppm: %d / min: %d / max: %d\n",ppm,lmin,lmax);
/*
// Farbablauf: rot > Violett > blau > tuerkis > gruen > gelb >
if ((ppm >= (step * 0)) && (ppm < (step * 1)))
{
ch0 = mul * ((ppm - (step * 0))); //fade in red > red (red only)
ch1 = 0;
ch2 = 0;
case 2:
ch1 = i; //fade in (ch1) blue to get pure purple (red + blue)
nextcolorState = 4;
break;
 
case 4:
ch0 = 255 - i; //fade out (ch0) red to get pure blue
nextcolorState = 6;
break;
 
case 6:
ch2 = i; //fade in (ch2) green to get pure cyan (blue + green)
nextcolorState = 8;
break;
 
case 8:
ch1 = 255 - i; //fade out (ch1) blue to get pure green
nextcolorState = 10;
break;
 
case 10:
ch0 = i; //fade in (ch0) red to get yellow pure (green + red)
nextcolorState = 12;
break;
 
case 12:
ch2 = 255 - i; //fade out (ch2) green to get pure red
nextcolorState = 0;
break;
}
 
 
timer = SetDelay(5); //wait 10ms
while (!CheckDelay(timer));
}
if ((ppm >= (step * 1)) && (ppm < (step * 2)))
{
ch0 = ((step-1) * mul);
ch2 = mul * ((ppm - (step * 1))); //fade in blue > purple (red + blue)
ch1 = 0;
}
if ((ppm >= (step * 2)) && (ppm < (step * 3)))
{
ch0 = mul * ((step - 1) - (ppm - (step * 2))); //fade out red > blue (blue only)
ch2 = ((step-1) * mul);
ch1 = 0;
}
if ((ppm >= (step * 3)) && (ppm < (step * 4)))
{
ch0 = 0;
ch2 = ((step-1) * mul);
ch1 = mul * ((ppm - (step * 3))); //fade in green > tuerkis (blue + green)
}
if ((ppm >= (step * 4)) && (ppm < (step * 5)))
{
ch0 = 0;
ch2 = mul * ((step - 1) - (ppm - (step * 4))); //fade out blue > green (green only)
ch1 = ((step-1) * mul);
}
if ((ppm >= (step * 5)) && (ppm < (step * 6)))
{
ch0 = mul * ((ppm - (step * 5))); //fade in red > yellow (green + red)
ch2 = 0;
ch1 = ((step-1) * mul);
}
if ((ppm >= (step * 6)) && (ppm < (step * 7)))
{
ch0 = ((step-1) * mul);
ch2 = 0;
ch1 = mul * ((step - 1) - (ppm - (step * 6))); //fade out green > red (red only)
}
if ((ppm >= (step * 7)) )
{
ch0 = ((step-1) * mul);
ch2 = 0;
ch1 = 9;
}
*/
colorState = nextcolorState;
 
timer = SetDelay(3); //hold pure colors for additional 3ms
while (!CheckDelay(timer));
 
 
 
}