WebSVN - Projects - Diff - Rev 55 and 56 - /IR-TX-BL/branches/LED-CTRL


//############################################################################
// - PWM CTRL 
// - Main
// - ATMEGA8 mit 8MHz
// - Nur für den privaten Gebrauch
// - Keine Garantie auf Fehlerfreiheit
// - Kommerzielle Nutzung nur mit meiner Zustimmung
// - walter Meyer @ www.freakware.de
// - 11.12.2007
// - Make sure Fuses are programmed for internal 8 MHz RC Oscilator
//############################################################################*/
 
#include "main.h"
#include "uart.h"
#include "twislave.h"
 
volatile unsigned int PPM_SIGNAL = 1500;
volatile unsigned char PPM_NEW = 0;
volatile unsigned char TMR1OvF = 0;
volatile unsigned int  TMR1MS;
volatile unsigned char CH0;
volatile unsigned char CH1;
volatile unsigned char CH2;
volatile unsigned char CH3;
volatile unsigned char CH4;
volatile unsigned char CH5;
 
uint16_t EEMEM EEPMIN=0x0000;
uint16_t EEMEM EEPMAX=0xffff;
uint16_t EEMEM EEPSIG=0xffff;
 
 
//led kennlinie, (noch nicht implementiert, nur vorbereitet)
unsigned char kl[256]={
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
        0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
};
 
 
 
/*##############################################################################*/
SIGNAL(SIG_OVERFLOW1)
{
        TMR1OvF++;
}
 
 
SIGNAL(SIG_INPUT_CAPTURE1)
{
        static unsigned int pos_ICR;
        static unsigned int ppm;
       
        if ((TCCR1B & (1<<ICES1)) != 0)                                         //rising edge
        {
                TCCR1B &= ~(1<<ICES1);                                                          //set falling egde
                TMR1OvF = 0;
                pos_ICR = ICR1;
        }
        else                                                                                    //falling edge
        {
                TCCR1B |= (1<<ICES1);                                                           //set rising egde
                ppm = (ICR1 - pos_ICR + (int) TMR1OvF * 65536);
                if ((ppm > 600) && (ppm < 2400))
                {
                        if (ppm > 2100) ppm = 2100;
                        if (ppm < 900) ppm = 900;
                        ppm = (PPM_SIGNAL * 3 + ppm) / 4;
                        PPM_SIGNAL = ppm;
                        if (PPM_NEW < 50) PPM_NEW++;
                }
               
        }
 
}
 
/*##############################################################################*/
SIGNAL(SIG_OVERFLOW0)
{
        // this function is called every 32us,
        // it is very important that it's execution time is as short as possible
        // currently it's about 20us
 
        static unsigned char counter = 254;
        static unsigned char ms1 = 0;
        static unsigned char ch0_tmp = 0;
        static unsigned char ch1_tmp = 0;
        static unsigned char ch2_tmp = 0;
        static unsigned char ch3_tmp = 0;
        static unsigned char ch4_tmp = 0;
        static unsigned char ch5_tmp = 0;
        unsigned char PORTB_BAK;
        unsigned char PORTD_BAK;       
 
        PORTB_BAK = PORTB;
        PORTD_BAK = PORTD;
 
        if (counter++ == 254)
        {
                PORTB_BAK LEDON (CH0_B | CH1_B | CH2_B);                //new cycle, output on
                PORTD_BAK LEDON (CH3_D | CH4_D | CH5_D);                //
                ch0_tmp = CH0;
                ch1_tmp = CH1;
                ch2_tmp = CH2;
                ch3_tmp = CH3;
                ch4_tmp = CH4;
                ch5_tmp = CH5;         
                counter = 0;
        }
 
        if (ch0_tmp == counter) PORTB_BAK LEDOFF CH0_B;         //channel value reached, output off
        if (ch1_tmp == counter) PORTB_BAK LEDOFF CH1_B;         //
        if (ch2_tmp == counter) PORTB_BAK LEDOFF CH2_B;         //
        if (ch3_tmp == counter) PORTD_BAK LEDOFF CH3_D;         //
        if (ch4_tmp == counter) PORTD_BAK LEDOFF CH4_D;         //
        if (ch5_tmp == counter) PORTD_BAK LEDOFF CH5_D;         //
       
        PORTB = PORTB_BAK;
        PORTD = PORTD_BAK;
       
        if (ms1++ == 32)
        {
                ms1=0;
                TMR1MS++;
        }
       
 
 
 
}
 
 
/*##############################################################################*/
unsigned int SetDelay (unsigned int t)
{
        unsigned char hi_byte;
        unsigned char lo_byte;  
 
        hi_byte = (TMR1MS >> 8);
        lo_byte = (TMR1MS & 0xff);
        if (hi_byte != (TMR1MS >> 8)) hi_byte = (TMR1MS >> 8);
 
        return(((hi_byte << 8) | lo_byte)  + t + 1);                                            
}
 
 
/*##############################################################################*/
char CheckDelay(unsigned int t)
{
        unsigned char hi_byte;
        unsigned char lo_byte;  
 
        hi_byte = (TMR1MS >> 8);
        lo_byte = (TMR1MS & 0xff);
        if (hi_byte != (TMR1MS >> 8)) hi_byte = (TMR1MS >> 8);
 
        return(((t - ((hi_byte << 8) | lo_byte)) & 0x8000) >> 9);
}
 
 
 
/*##############################################################################*/
void StartPWM(void)
{
        //Timer 0 Config
        TCCR0 = (0<<CS02)|(0<<CS01)|(1<<CS00);          // (@8MHz) =  1/8us Clk = 256/8 = 32us overflow
        TIMSK setbit (1<<TOIE0);                                                // enable Int
 
}
 
 
/*##############################################################################*/
void StartPPM(void)
{
       
        //Timer1 Config
        TCCR1A =        (0<<COM1A1)|(0<<COM1A0)|(0<<COM1B1)|(0<<COM1B0)|
                                (0<<FOC1A) |(0<<FOC1B) |(0<<WGM10) |(0<<WGM11);                
    TCCR1B =    (1<<ICNC1)|(1<<ICES1)|(0<<WGM13)|
                                (0<<WGM12)|(0<<CS12)|(1<<CS11)|(0<<CS10);                               //ICP_POS_FLANKE
 
        // interrupts
        TIMSK |=        (1<<TICIE1)|(1<<TOIE1);                                                                 //ICP_INT_ENABLE and TIMER1_INT_ENABLE
 
}
 
 
/*##############################################################################*/
unsigned 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;  
 
        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);                                            
 
}
 
 
/*##############################################################################*/
// MAIN
/*##############################################################################*/
int main (void)
{
 
        #define STEP            256
        #define MUL                     1
        #define REDUCE          2
 
 
 
       
        #define EEPSIGNATURE    0x55aa
 
        unsigned int    ppm;
        signed int              color; 
        unsigned int    setupdly;
        unsigned int    ppmtodly;      
        unsigned int    flashdly;
        unsigned char   setup;
        unsigned int    lmax;
        unsigned int    lmin;
        unsigned int    max;
        unsigned int    min;
        signed long     temp1; 
        signed long     temp2;         
 
 
 
    DDRB  = (CH0_B|CH1_B|CH2_B);
    PORTB = 0x00;
 
    DDRC  = (ledred);
    PORTC = 0x00;
 
    DDRD  = (ledgreen|CH3_D|CH4_D|CH5_D);
    PORTD = 0x00;
 
        CH0 = 0;
        CH1 = 0;
        CH2 = 0;
        CH3 = 0;
        CH4 = 0;
        CH5 = 0;       
 
        lmax = 0x0000;
        lmin = 0xffff;
 
        StartUART();
        StartPPM();
        //StartI2C();
        StartPWM();
        sei();
 
 
 
        if (eeprom_read_word(&EEPSIG) != EEPSIGNATURE)                  //check eep if signature is there
        {
                min = 1100;                                                                                             //default min 
                max = 1900;                                                                                             //default max
                eeprom_write_word(&EEPMIN, min);                                                //no, write initial min
                eeprom_write_word(&EEPMAX, max);                                                //and max values
                eeprom_write_word(&EEPSIG, EEPSIGNATURE);                               //along with eep signature
        }
        else
        {
                min = eeprom_read_word(&EEPMIN);                                                //signature ok
                max = eeprom_read_word(&EEPMAX);                                                //read min and max
        }
 
        setup = 0;                                                                                                      //reset setup toggle counter
        setupdly = SetDelay(5000);
        ppmtodly = SetDelay(5000);     
        flashdly = SetDelay(1000);                                                             
   
    while (1)
        {
 
                if (PPM_NEW > 20)                                                                               //ppm Signal ok 
                {
                        PORTC clrbit ledred;
                        ppm = GetPPM();                        
                        ppmtodly = SetDelay(500);                                                       //reset timeout                 
                        if (lmax < ppm) lmax=ppm;                                                       //update impulse max 
                        if (lmin > ppm) lmin=ppm;                                                       //and min boundarys
                }
                else
                {
                        PORTC setbit ledred;                                                            //ppm signal not ok
                        ppm = min;                                                                                      //set ppm to minimum
                }
               
 
                if (CheckDelay(ppmtodly))                                                               //timeout 
                {
                        ppmtodly = SetDelay(5000);             
                        PPM_NEW = 0;                                                                            //set ppm signal not ok
                }      
 
 
                if (setup < 6)
                {
                        if ((ppm > 1600) && ((setup&1)==0)) setup++;            //
                        if ((ppm < 1400) && ((setup&1)==1)) setup++;            //
 
                        if (CheckDelay(flashdly))                                                      
                        {      
                                CH0 = CH0 ^ 0xff;
                                CH1 = CH1 ^ 0xff;
                                CH2 = CH2 ^ 0xff;
                                flashdly = SetDelay(250);                                                              
                        }
 
                }
 
                if (setup == 6)                                                                                 //if stick is toggled 6 times 
                {                                                                                                               //within setup timeout
                        PORTD setbit ledgreen;                                                          //store ppm min and max 
                        setupdly = SetDelay(3000);                                                      //for 2000ms
                        eeprom_write_word(&EEPMIN, lmin);                                       //in eeprom
                        eeprom_write_word(&EEPMAX, lmax);      
                        min = lmin;                                                                                    
                        max = lmax;
                        setup = 7;                                                                                      //enter PWM toggle mode
 
                }
 
 
                if (setup == 7)
                {
                        if (CheckDelay(flashdly))                                                       //each 25ms toggle PWM's 
                        {      
                                CH0 = CH0 ^ 0xff;
                                CH1 = CH1 ^ 0xff;
                                CH2 = CH2 ^ 0xff;
                                flashdly = SetDelay(25);                                                               
                        }
               
                }
 
                if (CheckDelay(setupdly))                                                               //setup timeout reached
                {
                        setup = 8;                                                                                      //lockdown setup
                        PORTD clrbit ledgreen;
                }
 
                printf("ppm: %d / min: %d / max: %d\n",ppm,min,max);                   
               
               
               
                if (setup == 8)
                {
               
                        temp1 = (STEP * (signed long)30000 * (signed long)6) / ((max-REDUCE) - (min+REDUCE));
                        temp2 = ((ppm - (min+REDUCE)) * temp1);
                        color = temp2 / 30000;
               
                        if (color < 0) color = 0;
                        if (color > (STEP * 6)) color = (STEP * 6);            
               
                        printf("color: %d\n",color);
               
                        // Farbablauf: rot > Violett > blau > tuerkis > gruen > gelb >
                        if ((color >= (STEP * 0)) && (color < (STEP * 1)))
                        {
                                CH0 = MUL * ((color - (STEP * 0)));                             //fade in red > red (red only)
                                CH1 = 0;
                                CH2 = 0;
                        }
                        if ((color >= (STEP * 1)) && (color < (STEP * 2)))
                        {
                                CH0 = ((STEP-1) * MUL);
                                CH1 = 0;
                                CH2 = MUL * ((color - (STEP * 1)));                             //fade in blue > purple (red + blue)
                        }
                        if ((color >= (STEP * 2)) && (color < (STEP * 3)))
                        {
                                CH0 = MUL * ((STEP - 1) - (color - (STEP * 2)));        //fade out red > blue (blue only)
                                CH1 = 0;
                                CH2 = ((STEP-1) * MUL);
                        }
                        if ((color >= (STEP * 3)) && (color < (STEP * 4)))
                        {
                                CH0 = 0;
                                CH1 = MUL * ((color - (STEP * 3)));                             //fade in green > cyan (blue + green)
                                CH2 = ((STEP-1) * MUL);
                        }
                        if ((color >= (STEP * 4)) && (color < (STEP * 5)))
                        {
                                CH0 = 0;
                                CH1 = ((STEP-1) * MUL);
                                CH2 = MUL * ((STEP - 1) - (color - (STEP * 4)));        //fade out blue > green (green only)
                        }
                        if ((color >= (STEP * 5)) && (color < (STEP * 6)))
                        {
                                CH0 = MUL * ((color - (STEP * 5)));                             //fade in red > yellow (green + red)
                                CH1 = ((STEP-1) * MUL);
                                CH2 = 0;
                        }
                        if (color >= (STEP * 6))  
                        {
                                CH0 = ((STEP-1) * MUL);                                                 //fade in red > yellow (green + red)
                                CH1 = ((STEP-1) * MUL);
                                CH2 = 0;
                        }
                }
 
 
        }
 
}
 
 

Rev 55	Rev 56
1	//############################################################################	1	//############################################################################
2	// - PWM CTRL	2	// - PWM CTRL
3	// - Main	3	// - Main
4	// - ATMEGA8 mit 8MHz	4	// - ATMEGA8 mit 8MHz
5	// - Nur für den privaten Gebrauch	5	// - Nur für den privaten Gebrauch
6	// - Keine Garantie auf Fehlerfreiheit	6	// - Keine Garantie auf Fehlerfreiheit
7	// - Kommerzielle Nutzung nur mit meiner Zustimmung	7	// - Kommerzielle Nutzung nur mit meiner Zustimmung
8	// - walter Meyer @ www.freakware.de	8	// - walter Meyer @ www.freakware.de
9	// - 11.12.2007	9	// - 11.12.2007
10	// - Make sure Fuses are programmed for internal 8 MHz RC Oscilator	10	// - Make sure Fuses are programmed for internal 8 MHz RC Oscilator
11	//############################################################################*/	11	//############################################################################*/
12		12
13	#include "main.h"	13	#include "main.h"
14	#include "uart.h"	14	#include "uart.h"
15	#include "twislave.h"	15	#include "twislave.h"
16		16
17	volatile unsigned int PPM_SIGNAL = 1500;	17	volatile unsigned int PPM_SIGNAL = 1500;
18	volatile unsigned char PPM_NEW = 0;	18	volatile unsigned char PPM_NEW = 0;
19	volatile unsigned char TMR1OvF = 0;	19	volatile unsigned char TMR1OvF = 0;
20	volatile unsigned int TMR1MS;	20	volatile unsigned int TMR1MS;
21	volatile unsigned char CH0;	21	volatile unsigned char CH0;
22	volatile unsigned char CH1;	22	volatile unsigned char CH1;
23	volatile unsigned char CH2;	23	volatile unsigned char CH2;
24	volatile unsigned char CH3;	24	volatile unsigned char CH3;
25	volatile unsigned char CH4;	25	volatile unsigned char CH4;
26	volatile unsigned char CH5;	26	volatile unsigned char CH5;
-		27
-		28	uint16_t EEMEM EEPMIN=0x0000;
-		29	uint16_t EEMEM EEPMAX=0xffff;
-		30	uint16_t EEMEM EEPSIG=0xffff;
-		31
-		32
-		33	//led kennlinie, (noch nicht implementiert, nur vorbereitet)
-		34	unsigned char kl[256]={
-		35	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		36	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		37	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		38	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		39	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		40	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		41	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		42	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		43	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		44	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		45	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		46	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		47	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		48	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		49	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-		50	0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
-		51	};
-		52
27		53
28		54
29	/##############################################################################/	55	/##############################################################################/
30	SIGNAL(SIG_OVERFLOW1)	56	SIGNAL(SIG_OVERFLOW1)
31	{	57	{
32	TMR1OvF++;	58	TMR1OvF++;
33	}	59	}
34		60
35		61
36	SIGNAL(SIG_INPUT_CAPTURE1)	62	SIGNAL(SIG_INPUT_CAPTURE1)
37	{	63	{
38	static unsigned int pos_ICR;	64	static unsigned int pos_ICR;
39	static unsigned int ppm;	65	static unsigned int ppm;
40		66
41	if ((TCCR1B & (1<<ICES1)) != 0) //rising edge	67	if ((TCCR1B & (1<<ICES1)) != 0) //rising edge
42	{	68	{
43	TCCR1B &= ~(1<<ICES1); //set falling egde	69	TCCR1B &= ~(1<<ICES1); //set falling egde
44	TMR1OvF = 0;	70	TMR1OvF = 0;
45	pos_ICR = ICR1;	71	pos_ICR = ICR1;
46	}	72	}
47	else //falling edge	73	else //falling edge
48	{	74	{
49	TCCR1B \|= (1<<ICES1); //set rising egde	75	TCCR1B \|= (1<<ICES1); //set rising egde
50	ppm = (ICR1 - pos_ICR + (int) TMR1OvF * 65536);	76	ppm = (ICR1 - pos_ICR + (int) TMR1OvF * 65536);
51	if ((ppm > 600) && (ppm < 2400))	77	if ((ppm > 600) && (ppm < 2400))
52	{	78	{
53	if (ppm > 2100) ppm = 2100;	79	if (ppm > 2100) ppm = 2100;
54	if (ppm < 900) ppm = 900;	80	if (ppm < 900) ppm = 900;
55	ppm = (PPM_SIGNAL * 3 + ppm) / 4;	81	ppm = (PPM_SIGNAL * 3 + ppm) / 4;
56	PPM_SIGNAL = ppm;	82	PPM_SIGNAL = ppm;
57	if (PPM_NEW < 50) PPM_NEW++;	83	if (PPM_NEW < 50) PPM_NEW++;
58	}	84	}
59		85
60	}	86	}
61		87
62	}	88	}
63		89
64	/##############################################################################/	90	/##############################################################################/
65	SIGNAL(SIG_OVERFLOW0)	91	SIGNAL(SIG_OVERFLOW0)
66	{	92	{
67	// this function is called every 32us,	93	// this function is called every 32us,
68	// it is very important that it's execution time is as short as possible	94	// it is very important that it's execution time is as short as possible
69	// currently it's about 20us	95	// currently it's about 20us
70		96
71	static unsigned char counter = 254;	97	static unsigned char counter = 254;
72	static unsigned char ms1 = 0;	98	static unsigned char ms1 = 0;
73	static unsigned char ch0_tmp = 0;	99	static unsigned char ch0_tmp = 0;
74	static unsigned char ch1_tmp = 0;	100	static unsigned char ch1_tmp = 0;
75	static unsigned char ch2_tmp = 0;	101	static unsigned char ch2_tmp = 0;
76	static unsigned char ch3_tmp = 0;	102	static unsigned char ch3_tmp = 0;
77	static unsigned char ch4_tmp = 0;	103	static unsigned char ch4_tmp = 0;
78	static unsigned char ch5_tmp = 0;	104	static unsigned char ch5_tmp = 0;
79	unsigned char PORTB_BAK;	105	unsigned char PORTB_BAK;
80	unsigned char PORTD_BAK;	106	unsigned char PORTD_BAK;
81		107
82	PORTB_BAK = PORTB;	108	PORTB_BAK = PORTB;
83	PORTD_BAK = PORTD;	109	PORTD_BAK = PORTD;
84		110
85	if (counter++ == 254)	111	if (counter++ == 254)
86	{	112	{
87	PORTB_BAK LEDON (CH0_B \| CH1_B \| CH2_B); //new cycle, output on	113	PORTB_BAK LEDON (CH0_B \| CH1_B \| CH2_B); //new cycle, output on
88	PORTD_BAK LEDON (CH3_D \| CH4_D \| CH5_D); //	114	PORTD_BAK LEDON (CH3_D \| CH4_D \| CH5_D); //
89	ch0_tmp = CH0;	115	ch0_tmp = CH0;
90	ch1_tmp = CH1;	116	ch1_tmp = CH1;
91	ch2_tmp = CH2;	117	ch2_tmp = CH2;
92	ch3_tmp = CH3;	118	ch3_tmp = CH3;
93	ch4_tmp = CH4;	119	ch4_tmp = CH4;
94	ch5_tmp = CH5;	120	ch5_tmp = CH5;
95	counter = 0;	121	counter = 0;
96	}	122	}
97		123
98	if (ch0_tmp == counter) PORTB_BAK LEDOFF CH0_B; //channel value reached, output off	124	if (ch0_tmp == counter) PORTB_BAK LEDOFF CH0_B; //channel value reached, output off
99	if (ch1_tmp == counter) PORTB_BAK LEDOFF CH1_B; //	125	if (ch1_tmp == counter) PORTB_BAK LEDOFF CH1_B; //
100	if (ch2_tmp == counter) PORTB_BAK LEDOFF CH2_B; //	126	if (ch2_tmp == counter) PORTB_BAK LEDOFF CH2_B; //
101	if (ch3_tmp == counter) PORTD_BAK LEDOFF CH3_D; //	127	if (ch3_tmp == counter) PORTD_BAK LEDOFF CH3_D; //
102	if (ch4_tmp == counter) PORTD_BAK LEDOFF CH4_D; //	128	if (ch4_tmp == counter) PORTD_BAK LEDOFF CH4_D; //
103	if (ch5_tmp == counter) PORTD_BAK LEDOFF CH5_D; //	129	if (ch5_tmp == counter) PORTD_BAK LEDOFF CH5_D; //
104		130
105	PORTB = PORTB_BAK;	131	PORTB = PORTB_BAK;
106	PORTD = PORTD_BAK;	132	PORTD = PORTD_BAK;
107		133
108	if (ms1++ == 32)	134	if (ms1++ == 32)
109	{	135	{
110	ms1=0;	136	ms1=0;
111	TMR1MS++;	137	TMR1MS++;
112	}	138	}
113		139
114		140
115		141
116		142
117	}	143	}
118		144
119		145
120	/##############################################################################/	146	/##############################################################################/
121	unsigned int SetDelay (unsigned int t)	147	unsigned int SetDelay (unsigned int t)
122	{	148	{
123	unsigned char hi_byte;	149	unsigned char hi_byte;
124	unsigned char lo_byte;	150	unsigned char lo_byte;
125		151
126	hi_byte = (TMR1MS >> 8);	152	hi_byte = (TMR1MS >> 8);
127	lo_byte = (TMR1MS & 0xff);	153	lo_byte = (TMR1MS & 0xff);
128	if (hi_byte != (TMR1MS >> 8)) hi_byte = (TMR1MS >> 8);	154	if (hi_byte != (TMR1MS >> 8)) hi_byte = (TMR1MS >> 8);
129		155
130	return(((hi_byte << 8) \| lo_byte) + t + 1);	156	return(((hi_byte << 8) \| lo_byte) + t + 1);
131	}	157	}
132		158
133		159
134	/##############################################################################/	160	/##############################################################################/
135	char CheckDelay(unsigned int t)	161	char CheckDelay(unsigned int t)
136	{	162	{
137	unsigned char hi_byte;	163	unsigned char hi_byte;
138	unsigned char lo_byte;	164	unsigned char lo_byte;
139		165
140	hi_byte = (TMR1MS >> 8);	166	hi_byte = (TMR1MS >> 8);
141	lo_byte = (TMR1MS & 0xff);	167	lo_byte = (TMR1MS & 0xff);
142	if (hi_byte != (TMR1MS >> 8)) hi_byte = (TMR1MS >> 8);	168	if (hi_byte != (TMR1MS >> 8)) hi_byte = (TMR1MS >> 8);
143		169
144	return(((t - ((hi_byte << 8) \| lo_byte)) & 0x8000) >> 9);	170	return(((t - ((hi_byte << 8) \| lo_byte)) & 0x8000) >> 9);
145	}	171	}
146		172
147		173
148		174
149	/##############################################################################/	175	/##############################################################################/
150	void StartPWM(void)	176	void StartPWM(void)
151	{	177	{
152	//Timer 0 Config	178	//Timer 0 Config
153	TCCR0 = (0<<CS02)\|(0<<CS01)\|(1<<CS00); // (@8MHz) = 1/8us Clk = 256/8 = 32us overflow	179	TCCR0 = (0<<CS02)\|(0<<CS01)\|(1<<CS00); // (@8MHz) = 1/8us Clk = 256/8 = 32us overflow
154	TIMSK setbit (1<<TOIE0); // enable Int	180	TIMSK setbit (1<<TOIE0); // enable Int
155		181
156	}	182	}
157		183
158		184
159	/##############################################################################/	185	/##############################################################################/
160	void StartPPM(void)	186	void StartPPM(void)
161	{	187	{
162		188
163	//Timer1 Config	189	//Timer1 Config
164	TCCR1A = (0<<COM1A1)\|(0<<COM1A0)\|(0<<COM1B1)\|(0<<COM1B0)\|	190	TCCR1A = (0<<COM1A1)\|(0<<COM1A0)\|(0<<COM1B1)\|(0<<COM1B0)\|
165	(0<<FOC1A) \|(0<<FOC1B) \|(0<<WGM10) \|(0<<WGM11);	191	(0<<FOC1A) \|(0<<FOC1B) \|(0<<WGM10) \|(0<<WGM11);
166	TCCR1B = (1<<ICNC1)\|(1<<ICES1)\|(0<<WGM13)\|	192	TCCR1B = (1<<ICNC1)\|(1<<ICES1)\|(0<<WGM13)\|
167	(0<<WGM12)\|(0<<CS12)\|(1<<CS11)\|(0<<CS10); //ICP_POS_FLANKE	193	(0<<WGM12)\|(0<<CS12)\|(1<<CS11)\|(0<<CS10); //ICP_POS_FLANKE
168		194
169	// interrupts	195	// interrupts
170	TIMSK \|= (1<<TICIE1)\|(1<<TOIE1); //ICP_INT_ENABLE and TIMER1_INT_ENABLE	196	TIMSK \|= (1<<TICIE1)\|(1<<TOIE1); //ICP_INT_ENABLE and TIMER1_INT_ENABLE
171		197
172	}	198	}
173		199
174		200
175	/##############################################################################/	201	/##############################################################################/
176	unsigned int GetPPM(void)	202	unsigned int GetPPM(void)
177	{	203	{
178	//this routines seems to be nesseccary, as reading a 16 bit value	204	//this routines seems to be nesseccary, as reading a 16 bit value
179	//on a 8 bit machine is not atomic, so if an interrupt apears between reading	205	//on a 8 bit machine is not atomic, so if an interrupt apears between reading
180	//low and high byte of the 16 bit value a wrong result is possible	206	//low and high byte of the 16 bit value a wrong result is possible
181		207
182	unsigned char temp_hi;	208	unsigned char temp_hi;
183	unsigned char temp_lo;	209	unsigned char temp_lo;
184		210
185	temp_hi = (PPM_SIGNAL >> 8);	211	temp_hi = (PPM_SIGNAL >> 8);
186	temp_lo = (PPM_SIGNAL & 0xff);	212	temp_lo = (PPM_SIGNAL & 0xff);
187	if (temp_hi != (PPM_SIGNAL >> 8)) temp_hi = (PPM_SIGNAL >> 8);	213	if (temp_hi != (PPM_SIGNAL >> 8)) temp_hi = (PPM_SIGNAL >> 8);
188	return( (temp_hi << 8) \| temp_lo);	214	return( (temp_hi << 8) \| temp_lo);
189		215
190	}	216	}
191		217
192		218
193	/##############################################################################/	219	/##############################################################################/
194	// MAIN	220	// MAIN
195	/##############################################################################/	221	/##############################################################################/
196	int main (void)	222	int main (void)
197	{	223	{
198		224
199	#define STEP 256	225	#define STEP 256
200	#define MUL 1	226	#define MUL 1
201	#define REDUCE 5	227	#define REDUCE 2
202		-
203	#define EEPADRSIG 0x00	-
204	#define EEPADRMIN 0x20	-
205	#define EEPADRMAX 0x22	228
206	#define EEPSIGATURE 0x55aa	229	#define EEPSIGNATURE 0x55aa
207		230
208	unsigned int ppm;	231	unsigned int ppm;
209	signed int color;	232	signed int color;
210	unsigned int setupdly;	233	unsigned int setupdly;
211	unsigned int ppmtodly;	234	unsigned int ppmtodly;
212	unsigned int flashdly;	235	unsigned int flashdly;
213	unsigned char setup;	236	unsigned char setup;
214	unsigned int lmax;	237	unsigned int lmax;
215	unsigned int lmin;	238	unsigned int lmin;
216	unsigned int max;	239	unsigned int max;
217	unsigned int min;	240	unsigned int min;
218	unsigned long temp1;	241	signed long temp1;
219	unsigned long temp2;	242	signed long temp2;
220		-
221		-
222		243
223	DDRB = (CH0_B\|CH1_B\|CH2_B);	244	DDRB = (CH0_B\|CH1_B\|CH2_B);
224	PORTB = 0x00;	245	PORTB = 0x00;
225		246
226	DDRC = (ledred);	247	DDRC = (ledred);
227	PORTC = 0x00;	248	PORTC = 0x00;
228		249
229	DDRD = (ledgreen\|CH3_D\|CH4_D\|CH5_D);	250	DDRD = (ledgreen\|CH3_D\|CH4_D\|CH5_D);
230	PORTD = 0x00;	251	PORTD = 0x00;
231		252
232	CH0 = 0;	253	CH0 = 0;
233	CH1 = 0;	254	CH1 = 0;
234	CH2 = 0;	255	CH2 = 0;
235	CH3 = 0;	256	CH3 = 0;
236	CH4 = 0;	257	CH4 = 0;
237	CH5 = 0;	258	CH5 = 0;
238		259
239	lmax = 0x0000;	260	lmax = 0x0000;
240	lmin = 0xffff;	261	lmin = 0xffff;
241		262
242	StartUART();	263	StartUART();
243	StartPPM();	264	StartPPM();
244	//StartI2C();	265	//StartI2C();
245	StartPWM();	266	StartPWM();
246	sei();	267	sei();
247		-
248		-
249		268
250	if (eeprom_read_word(EEPADRSIG) != EEPSIGATURE) //check eep if signature is there	269	if (eeprom_read_word(&EEPSIG) != EEPSIGNATURE) //check eep if signature is there
251	{	270	{
252	min = 1100; //default min	271	min = 1100; //default min
253	max = 1900; //default max	272	max = 1900; //default max
254	eeprom_write_word(EEPADRMIN, min); //no, write initial min	273	eeprom_write_word(&EEPMIN, min); //no, write initial min
255	eeprom_write_word(EEPADRMAX, max); //and max values	274	eeprom_write_word(&EEPMAX, max); //and max values
256	eeprom_write_word(EEPADRSIG, EEPSIGATURE); //along with eep signature	275	eeprom_write_word(&EEPSIG, EEPSIGNATURE); //along with eep signature
257	}	276	}
258	else	277	else
259	{	278	{
260	min = eeprom_read_word(EEPADRMIN); //signature ok	279	min = eeprom_read_word(&EEPMIN); //signature ok
261	max = eeprom_read_word(EEPADRMAX); //read min and max	280	max = eeprom_read_word(&EEPMAX); //read min and max
262	}	281	}
263		282
264	setup = 0; //reset setup toggle counter	283	setup = 0; //reset setup toggle counter
265	setupdly = SetDelay(3000);	284	setupdly = SetDelay(5000);
266	ppmtodly = SetDelay(5000);	285	ppmtodly = SetDelay(5000);
267	flashdly = SetDelay(100);	286	flashdly = SetDelay(1000);
268		287
269	while (1)	288	while (1)
270	{	289	{
271		290
272	if (PPM_NEW > 20) //ppm Signal ok	291	if (PPM_NEW > 20) //ppm Signal ok
273	{	292	{
274	PORTC clrbit ledred;	293	PORTC clrbit ledred;
275	ppm = GetPPM();	294	ppm = GetPPM();
276	ppmtodly = SetDelay(500); //reset timeout	295	ppmtodly = SetDelay(500); //reset timeout
277	if (lmax < ppm) lmax=ppm; //update impulse max	296	if (lmax < ppm) lmax=ppm; //update impulse max
278	if (lmin > ppm) lmin=ppm; //and min boundarys	297	if (lmin > ppm) lmin=ppm; //and min boundarys
279	}	298	}
280	else	299	else
281	{	300	{
282	PORTC setbit ledred; //ppm signal not ok	301	PORTC setbit ledred; //ppm signal not ok
283	ppm = min; //set ppm to minimum	302	ppm = min; //set ppm to minimum
284	}	303	}
285		304
286		305
287	if (CheckDelay(ppmtodly)) //timeout	306	if (CheckDelay(ppmtodly)) //timeout
288	{	307	{
289	ppmtodly = SetDelay(5000);	308	ppmtodly = SetDelay(5000);
290	PPM_NEW = 0; //set ppm signal not ok	309	PPM_NEW = 0; //set ppm signal not ok
291	}	310	}
292		311
293		312
294	if (setup < 6)	313	if (setup < 6)
295	{	314	{
296	if ((ppm > 1600) && ((setup&1)==0)) setup++; //	315	if ((ppm > 1600) && ((setup&1)==0)) setup++; //
297	if ((ppm < 1400) && ((setup&1)==1)) setup++; //	316	if ((ppm < 1400) && ((setup&1)==1)) setup++; //
298		317
299	if (CheckDelay(flashdly)) //setup timeout reached	318	if (CheckDelay(flashdly))
300	{	319	{
301	CH0 = CH0 ^ 0xff;	320	CH0 = CH0 ^ 0xff;
302	CH1 = CH1 ^ 0xff;	321	CH1 = CH1 ^ 0xff;
303	CH2 = CH2 ^ 0xff;	322	CH2 = CH2 ^ 0xff;
304	flashdly = SetDelay(250);	323	flashdly = SetDelay(250);
305	}	324	}
306		-
307	}	325	}
308		326
309	if (setup == 6) //if stick is toggled 6 times	327	if (setup == 6) //if stick is toggled 6 times
310	{ //within setup timeout	328	{ //within setup timeout
311	PORTD setbit ledgreen; //store ppm min and max	329	PORTD setbit ledgreen; //store ppm min and max
-		330	setupdly = SetDelay(3000); //for 2000ms
312	eeprom_write_word(EEPADRMIN, lmin); //in eeprom	331	eeprom_write_word(&EEPMIN, lmin); //in eeprom
313	eeprom_write_word(EEPADRMAX, lmax);	332	eeprom_write_word(&EEPMAX, lmax);
314	min = lmin;	333	min = lmin;
315	max = lmax;	334	max = lmax;
316	setupdly = SetDelay(2000);	335	setup = 7; //enter PWM toggle mode
-		336
-		337	}
-		338
-		339
-		340	if (setup == 7)
317		341	{
318	if (CheckDelay(flashdly)) //setup timeout reached	342	if (CheckDelay(flashdly)) //each 25ms toggle PWM's
319	{	343	{
320	CH0 = CH0 ^ 0xff;	344	CH0 = CH0 ^ 0xff;
321	CH1 = CH1 ^ 0xff;	345	CH1 = CH1 ^ 0xff;
322	CH2 = CH2 ^ 0xff;	346	CH2 = CH2 ^ 0xff;
323	flashdly = SetDelay(25);	347	flashdly = SetDelay(25);
324	}	348	}
325		349
326	}	350	}
327		351
328	if (CheckDelay(setupdly)) //setup timeout reached	352	if (CheckDelay(setupdly)) //setup timeout reached
329	{	353	{
330	setup = 7; //lockdown setup	354	setup = 8; //lockdown setup
331	PORTD clrbit ledgreen;	355	PORTD clrbit ledgreen;
332	}	356	}
333		357
334	//printf("ppm: %d / min: %d / max: %d\n",ppm,lmin,lmax);	358	printf("ppm: %d / min: %d / max: %d\n",ppm,min,max);
335		359
336		360
337		361
338	if (setup = 7)	362	if (setup == 8)
339	{	363	{
340		364
341	temp1 = (STEP * (long)40000 * (long)6) / ((max-REDUCE) - (min+REDUCE));	365	temp1 = (STEP * (signed long)30000 * (signed long)6) / ((max-REDUCE) - (min+REDUCE));
342	temp2 = ((ppm - (min+REDUCE)) * temp1);	366	temp2 = ((ppm - (min+REDUCE)) * temp1);
343	color = temp2 / 40000;	367	color = temp2 / 30000;
344		368
345	if (color < 0) color = 0;	369	if (color < 0) color = 0;
346	if (color > (STEP * 6)) color = (STEP * 6);	370	if (color > (STEP * 6)) color = (STEP * 6);
-		371
-		372	printf("color: %d\n",color);
347		373
348	// Farbablauf: rot > Violett > blau > tuerkis > gruen > gelb >	374	// Farbablauf: rot > Violett > blau > tuerkis > gruen > gelb >
349	if ((color >= (STEP * 0)) && (color < (STEP * 1)))	375	if ((color >= (STEP * 0)) && (color < (STEP * 1)))
350	{	376	{
351	CH0 = MUL * ((color - (STEP * 0))); //fade in red > red (red only)	377	CH0 = MUL * ((color - (STEP * 0))); //fade in red > red (red only)
352	CH1 = 0;	378	CH1 = 0;
353	CH2 = 0;	379	CH2 = 0;
354	}	380	}
355	if ((color >= (STEP * 1)) && (color < (STEP * 2)))	381	if ((color >= (STEP * 1)) && (color < (STEP * 2)))
356	{	382	{
357	CH0 = ((STEP-1) * MUL);	383	CH0 = ((STEP-1) * MUL);
358	CH1 = 0;	384	CH1 = 0;
359	CH2 = MUL * ((color - (STEP * 1))); //fade in blue > purple (red + blue)	385	CH2 = MUL * ((color - (STEP * 1))); //fade in blue > purple (red + blue)
360	}	386	}
361	if ((color >= (STEP * 2)) && (color < (STEP * 3)))	387	if ((color >= (STEP * 2)) && (color < (STEP * 3)))
362	{	388	{
363	CH0 = MUL * ((STEP - 1) - (color - (STEP * 2))); //fade out red > blue (blue only)	389	CH0 = MUL * ((STEP - 1) - (color - (STEP * 2))); //fade out red > blue (blue only)
364	CH1 = 0;	390	CH1 = 0;
365	CH2 = ((STEP-1) * MUL);	391	CH2 = ((STEP-1) * MUL);
366	}	392	}
367	if ((color >= (STEP * 3)) && (color < (STEP * 4)))	393	if ((color >= (STEP * 3)) && (color < (STEP * 4)))
368	{	394	{
369	CH0 = 0;	395	CH0 = 0;
370	CH1 = MUL * ((color - (STEP * 3))); //fade in green > cyan (blue + green)	396	CH1 = MUL * ((color - (STEP * 3))); //fade in green > cyan (blue + green)
371	CH2 = ((STEP-1) * MUL);	397	CH2 = ((STEP-1) * MUL);
372	}	398	}
373	if ((color >= (STEP * 4)) && (color < (STEP * 5)))	399	if ((color >= (STEP * 4)) && (color < (STEP * 5)))
374	{	400	{
375	CH0 = 0;	401	CH0 = 0;
376	CH1 = ((STEP-1) * MUL);	402	CH1 = ((STEP-1) * MUL);
377	CH2 = MUL * ((STEP - 1) - (color - (STEP * 4))); //fade out blue > green (green only)	403	CH2 = MUL * ((STEP - 1) - (color - (STEP * 4))); //fade out blue > green (green only)
378	}	404	}
379	if ((color >= (STEP * 5)) && (color < (STEP * 6)))	405	if ((color >= (STEP * 5)) && (color < (STEP * 6)))
380	{	406	{
381	CH0 = MUL * ((color - (STEP * 5))); //fade in red > yellow (green + red)	407	CH0 = MUL * ((color - (STEP * 5))); //fade in red > yellow (green + red)
382	CH1 = ((STEP-1) * MUL);	408	CH1 = ((STEP-1) * MUL);
383	CH2 = 0;	409	CH2 = 0;
384	}	410	}
385	if (color >= (STEP * 6))	411	if (color >= (STEP * 6))
386	{	412	{
387	CH0 = ((STEP-1) * MUL); //fade in red > yellow (green + red)	413	CH0 = ((STEP-1) * MUL); //fade in red > yellow (green + red)
388	CH1 = ((STEP-1) * MUL);	414	CH1 = ((STEP-1) * MUL);
389	CH2 = 0;	415	CH2 = 0;
390	}	416	}
391	}	417	}
392		418
393		419
394	}	420	}
395		421
396	}	422	}
397		423
398		424

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(root)/IR-TX-BL/branches/LED-CTRL_V0.01/main.c @ 57 - Rev 55 → 56