Subversion Repositories group.electronics

Rev

Rev 57 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 57 Rev 58
Line 1... Line 1...
1 
#include <avr/io.h>
 1 
#include <avr/io.h>
2 
#include <avr/pgmspace.h>
 2 
#include <avr/pgmspace.h>
3 
#include <avr/interrupt.h>
 3 
#include <avr/interrupt.h>
4 
#include <avr/wdt.h>
 4 
#include <avr/wdt.h>
5 
 
 5 
 
6 
#include "petelib.h"
 6 
#include "util.h"
7 
#include <util/delay.h>
 7 
#include <util/delay.h>
8 
 
 8 
 
9 
#include <stdlib.h>
 9 
#include <stdlib.h>
10 
 
 10 
 
11 
#include "wire.h"
 11 
#include "wire.h"
12 
#include "lcd.h"
 12 
#include "lcd.h"
13 
 
 13 
 
14 
 
 - 
 
15 
volatile uint8_t pcIntCurr[3] = {0,0,0};
 - 
 
16 
volatile uint8_t pcIntLast[3] = {0,0,0};
 - 
 
17 
volatile uint8_t pcIntMask[3] = {0,0,0};
 - 
 
18 
 
 - 
 
19 
volatile uint8_t tmr0_ovf = 0;
 14 
volatile uint8_t tmr0_ovf = 0;
20 
volatile uint8_t tmr2_ovf = 0;
 15 
volatile uint8_t tmr2_ovf = 0;
21 
volatile uint32_t systime = 0;
 16 
volatile uint32_t systime = 0;
22 
volatile uint8_t lcdupdate = 1;
 17 
volatile uint8_t lcdupdate = 1;
23 
 
 18 
 
Line 65... Line 60...
65 
	PD7	- Input, Pullup		- Keypad 5
 60 
	PD7	- Input, Pullup		- Keypad 5
66 
  */
 61 
  */
67 
  DDRD		= 0B00010001;
 62 
  DDRD		= 0B00010001;
68 
  PORTD		= 0B11100011;
 63 
  PORTD		= 0B11100011;
69 
 
 64 
 
70 
	PCMSK2 |= (( 1 << PCINT16 ) | ( 1 << PCINT17 )); //enable encoder pins interrupt sources
 - 
 
71 
	PCICR |= ( 1 << PCIE2 ); //enable pin change interupts
 - 
 
72 
 
 - 
 
73 
	TIMSK0 = (1<<TOIE0);			// Enable 8bit timer overflow for Timer0
 65 
	TIMSK0 = (1<<TOIE0);			// Enable 8bit timer overflow for Timer0
74 
	TCNT0 = 0x00;				// Set Timer0 to 0
 66 
	TCNT0 = 0x00;				// Set Timer0 to 0
75 
	TCCR0B = (1<< CS00) ;			// /1 prescaler
 67 
	TCCR0B = (1<< CS00) ;			// /1 prescaler
76 
 
 68 
 
77 
	TIMSK2 = (1<<TOIE2);			// Enable 8bit timer overflow for Timer2
 69 
	TIMSK2 = (1<<TOIE2);			// Enable 8bit timer overflow for Timer2
Line 119... Line 111...
119 
	}
 111 
	}
120 
  }
 112 
  }
121 
}
 113 
}
122 
 
 114 
 
123 
 
 115 
 
124 
/*
 - 
 
125 
 *
 - 
 
126 
 * Process the Pin Change Interrupt.
 - 
 
127 
 * pcint provides what bank caused the interrupt
 - 
 
128 
 *
 - 
 
129 
 */
 - 
 
130 
void doInt(uint8_t pcint) {
 - 
 
131 
 
 - 
 
132 
	// Clear the mask so we know we've delth with it
 - 
 
133 
	pcIntMask[pcint] = 0;
 - 
 
134 
}
 - 
 
135 
 
 - 
 
136 
ISR(TIMER0_OVF_vect) {
 116 
ISR(TIMER0_OVF_vect) {
137 
	tmr0_ovf++;
 117 
	tmr0_ovf++;
138 
	if (tmr0_ovf>=62) {
 118 
	if (tmr0_ovf>=46) {
139 
		xbi(PORTD, PD0);
 119 
		xbi(PORTD, PD0);
140 
		systime++;
 120 
		systime++;
141 
		tmr0_ovf = 0;
 121 
		tmr0_ovf = 0;
142 
	}
 122 
	}
143 
}
 123 
}
144 
 
 124 
 
145 
ISR(TIMER2_OVF_vect) {
 125 
ISR(TIMER2_OVF_vect) {
146 
	tmr2_ovf++;
 126 
	tmr2_ovf++;
147 
	if (tmr2_ovf>=78) {
 127 
	if (tmr2_ovf>=58) {
148 
		xbi(PORTD, PD4);
 128 
		xbi(PORTD, PD4);
149 
		lcdupdate=1;
 129 
		lcdupdate=1;
150 
		tmr2_ovf = 0;
 130 
		tmr2_ovf = 0;
151 
	}
 131 
	}
152 
}
 132 
}
153
- 
 
154
- 
 
155 
 
 - 
 
156 
ISR(PCINT1_vect)
 - 
 
157 
{
 - 
 
158 
        // Save the state and work out which pin caused
 - 
 
159 
        //  the interrupt to occur
 - 
 
160 
        pcIntCurr[1] = PIND;
 - 
 
161 
        pcIntMask[1] = pcIntCurr[1] ^ pcIntLast[1];
 - 
 
162 
        pcIntLast[1] = pcIntCurr[1];
 - 
 
163 
        doInt(1);
 - 
 
164 
}
 - 
 
165 
 
 - 
 
166 
ISR(PCINT2_vect)
 - 
 
167 
{
 - 
 
168 
	// Save the state and work out which pin caused
 - 
 
169 
	//  the interrupt to occur
 - 
 
170 
	pcIntCurr[2] = PIND;
 - 
 
171 
	pcIntMask[2] = pcIntCurr[2] ^ pcIntLast[2];
 - 
 
172 
	pcIntLast[2] = pcIntCurr[2];
 - 
 
173 
	doInt(2);
 - 
 
174 
}
 - 
 
175 
 
 -