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167 lines
3.5 KiB
C
167 lines
3.5 KiB
C
#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <util/delay.h>
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#include "avr-hd44780/lcd.h"
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#include "i2c_peter/i2cmaster.h"
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#include "sdi_shield.h"
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#include <avr/eeprom.h>
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uint8_t EEMEM cam_saved;
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volatile uint8_t cam = 0;
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volatile uint8_t pgm = 0;
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volatile uint8_t pvw = 0;
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volatile uint8_t valid = 0;
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#define SDI_SHIELD_ADDR 0x84
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#define VF_BACK_PVW_TALLY_PIN 0
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#define VF_BACK_PGM_TALLY_PIN 1
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#define LENS_PGM_TALLY_PIN 2
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#define VF_FRONT_PGM_TALLY_PIN 3
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volatile uint8_t pvw_enabled = 1;
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volatile uint8_t front_enabled = 1;
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void enc_init(){
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PORTC |= (1<<2) | (1 << 3);
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PCICR |= (1<<PCIE1);
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PCMSK1 |= (1<<PCINT10);
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}
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int main(void){
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DDRB |= 1<<VF_BACK_PVW_TALLY_PIN; //uln glueh rot
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DDRB |= 1<<VF_BACK_PGM_TALLY_PIN; //uln glueh rot
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DDRB |= 1<<LENS_PGM_TALLY_PIN; //uln glueh rot
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DDRB |= 1<<VF_FRONT_PGM_TALLY_PIN; //uln glueh rot
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DDRD |= 1<<7; //enable backlight
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//PullUp BTN
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PORTB |= 1<<6;
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cam = eeprom_read_byte(&cam_saved);
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lcd_init();
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lcd_on();
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lcd_clear();
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i2c_init(); // initialize I2C library
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DDRC |= 1<<0;
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PORTB |= (1<<VF_BACK_PVW_TALLY_PIN);
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_delay_ms(100);
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PORTB |= (1<<VF_FRONT_PGM_TALLY_PIN);
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PORTB |= (1<<VF_BACK_PGM_TALLY_PIN);
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lcd_printf("id: ");
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i2c_start_wait(SDI_SHIELD_ADDR + I2C_WRITE); // set device address and write mode
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i2c_write(0x00);
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i2c_write(0x00);
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i2c_rep_start(SDI_SHIELD_ADDR + I2C_READ); // set device address and read mode
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for(uint8_t i = 0; i < 4; i++){
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unsigned char ret = i2c_readAck(); // read one byte from EEPROM
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lcd_printf("%c", ret);
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}
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unsigned char hw0 = i2c_readAck(); // read one byte from EEPROM
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unsigned char hw1 = i2c_readAck(); // read one byte from EEPROM
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unsigned char fw0 = i2c_readAck();
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unsigned char fw1 = i2c_readNak();
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i2c_stop();
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lcd_set_cursor(0,1);
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lcd_printf("hw: %d.%d", hw0, hw1);
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lcd_printf(" fw: %d.%d", fw0, fw1);
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DDRC |= 1<<1;
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PORTB &= ~(1<<VF_BACK_PVW_TALLY_PIN);
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_delay_ms(1000);
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lcd_clear();
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PORTB &= ~(1<<VF_FRONT_PGM_TALLY_PIN);
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// Turn LEDs off
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DDRC &= ~(1<<0);
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DDRC &= ~(1<<1);
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/*
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for(uint8_t i=0; i<255; i++){
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uint8_t res = i2c_start(i);
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i2c_stop();
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if(!res)
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lcd_printf("%x ", i);
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}
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*/
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enc_init();
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sei();
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while(1){
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shield_set_flags(0x5000, 0x01);
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uint8_t data_length;
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shield_read_uint8(0x5001, &data_length);
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if(data_length){
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uint8_t tally;
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shield_read_uint8(0x5100+cam, &tally);
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pgm = !!(tally & (1<<0));
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pvw = !!(tally & (1<<1));
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}
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if(pgm){
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DDRC |= 1<<1;
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if(front_enabled){
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PORTB |= (1<<LENS_PGM_TALLY_PIN);
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PORTB |= (1<<VF_FRONT_PGM_TALLY_PIN);
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}
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PORTB |= (1<<VF_BACK_PGM_TALLY_PIN);
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}
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else
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{
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DDRC &= ~(1<<1);
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if(front_enabled){
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PORTB &= ~(1<<LENS_PGM_TALLY_PIN);
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PORTB &= ~(1<<VF_FRONT_PGM_TALLY_PIN);
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}
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PORTB &= ~(1<<VF_BACK_PGM_TALLY_PIN);
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}
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if(pvw & pvw_enabled){
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DDRC |= 1<<0;
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PORTB |= (1<<VF_BACK_PVW_TALLY_PIN);
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}
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else{
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DDRC &= ~(1<<0);
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PORTB &= ~(1<<VF_BACK_PVW_TALLY_PIN);
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}
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lcd_set_cursor(0,0);
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lcd_printf("pgm: %d pvw: %d", pgm, pvw);
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lcd_set_cursor(0,1);
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lcd_printf("cam: %d ", cam+1);
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_delay_ms(10);
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}
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}
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ISR(PCINT1_vect){
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if(PINC & (1<<2)){
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if(PINC & (1<<3))
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cam--;
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else
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cam++;
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eeprom_write_byte(&cam_saved, cam);
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}else{
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if(PINC & (1<<3))
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cam++;
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else
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cam--;
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eeprom_write_byte(&cam_saved, cam);
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}
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}
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