add menu

code/main.c

@@ -6,11 +6,30 @@
 #include "sdi_shield.h"
 #include <avr/eeprom.h>
 
-uint8_t EEMEM cam_saved;
-volatile uint8_t cam = 0;
-volatile uint8_t pgm = 0;
-volatile uint8_t pvw = 0;
-volatile uint8_t valid = 0;
+uint8_t pgm = 0;
+uint8_t pvw = 0;
+
+typedef struct {
+    uint8_t cam;
+    uint8_t front_enabled;
+    uint8_t pvw_enabled;
+} settings_t;
+
+uint8_t setting_limits[sizeof(settings_t)] = {
+    16,
+    2,
+    2
+};
+
+volatile union{
+    settings_t settings;
+    uint8_t arr[sizeof(settings_t)];
+} menu;
+
+void* EEMEM settings_saved;
+
+volatile uint8_t menu_state = 0;
+volatile uint8_t update = 1;
 
 #define SDI_SHIELD_ADDR 0x84
 
@@ -19,27 +38,32 @@ volatile uint8_t valid = 0;
 #define LENS_PGM_TALLY_PIN 2
 #define VF_FRONT_PGM_TALLY_PIN 3
 
-volatile uint8_t pvw_enabled = 1;
-volatile uint8_t front_enabled = 1;
-
 void enc_init(){
     PORTC |= (1<<2) | (1 << 3);
-    PCICR |= (1<<PCIE1);
+    _delay_ms(10);
     PCMSK1 |= (1<<PCINT10);
+    PCICR |= (1<<PCIE1);
+}
+
+void btn_init(){
+    PORTB |= 1<<6; //PullUp
+    PCMSK0 |= (1<<PCINT6);
+    PCICR |= (1<<PCIE0);
 }
 
 int main(void){
-    DDRB |= 1<<VF_BACK_PVW_TALLY_PIN; //uln glueh rot
-    DDRB |= 1<<VF_BACK_PGM_TALLY_PIN; //uln glueh rot
-    DDRB |= 1<<LENS_PGM_TALLY_PIN; //uln glueh rot
-    DDRB |= 1<<VF_FRONT_PGM_TALLY_PIN; //uln glueh rot
+    DDRB |= 1<<VF_BACK_PVW_TALLY_PIN;
+    DDRB |= 1<<VF_BACK_PGM_TALLY_PIN;
+    DDRB |= 1<<LENS_PGM_TALLY_PIN;
+    DDRB |= 1<<VF_FRONT_PGM_TALLY_PIN;
 
     DDRD |= 1<<7; //enable backlight
 
-    //PullUp BTN
-    PORTB |= 1<<6;
-
-    cam = eeprom_read_byte(&cam_saved);
+    eeprom_read_block(menu.arr, &settings_saved, sizeof(settings_t));
+    if(menu.settings.cam > setting_limits[0])
+	menu.settings.cam = 0;
+    enc_init();
+    btn_init();
 
     lcd_init();
     lcd_on();
@@ -97,7 +121,6 @@ int main(void){
     }
     */
 
-    enc_init();
     sei();
 
     while(1){
@@ -107,60 +130,89 @@ int main(void){
 	shield_read_uint8(0x5001, &data_length);
 	if(data_length){
 	    uint8_t tally;
-	    shield_read_uint8(0x5100+cam, &tally);
+	    shield_read_uint8(0x5100+menu.settings.cam, &tally);
 	    pgm = !!(tally & (1<<0));
 	    pvw = !!(tally & (1<<1));
 	}
 
 	if(pgm){
 	    DDRC |= 1<<1;
-	    if(front_enabled){
+	    if(menu.settings.front_enabled){
 		PORTB |= (1<<LENS_PGM_TALLY_PIN);
 		PORTB |= (1<<VF_FRONT_PGM_TALLY_PIN);
 	    }
 	    PORTB |= (1<<VF_BACK_PGM_TALLY_PIN);
 	}
-	else
-	{
+	else{
 	    DDRC &= ~(1<<1);
-	    if(front_enabled){
+	    PORTB &= ~(1<<VF_BACK_PGM_TALLY_PIN);
+	}
+	if((!pgm != !menu.settings.front_enabled)){
 	    PORTB &= ~(1<<LENS_PGM_TALLY_PIN);
 	    PORTB &= ~(1<<VF_FRONT_PGM_TALLY_PIN);
 	}
-	    PORTB &= ~(1<<VF_BACK_PGM_TALLY_PIN);
-	}
 
-	if(pvw & pvw_enabled){
+	if(pvw & menu.settings.pvw_enabled){
 	    DDRC |= 1<<0;
 	    PORTB |= (1<<VF_BACK_PVW_TALLY_PIN);
 	}
-	else{
+	if(!pvw | !menu.settings.pvw_enabled){
 	    DDRC &= ~(1<<0);
 	    PORTB &= ~(1<<VF_BACK_PVW_TALLY_PIN);
 	}
 
+	if(update){
+	    update = 0;
 	    lcd_set_cursor(0,0);
-	lcd_printf("pgm: %d pvw: %d", pgm, pvw);
+	    lcd_printf("cam: %d  ", menu.settings.cam+1);
 	    lcd_set_cursor(0,1);
-	lcd_printf("cam: %d  ", cam+1);
-
+	    lcd_printf("front: %d pvw: %d", menu.settings.front_enabled, menu.settings.pvw_enabled);
+
+	    switch(menu_state){
+		case 0:
+		    lcd_disable_cursor();
+		    lcd_disable_blinking();
+		    break;
+		case 1:
+		    lcd_set_cursor(5,0);
+		    lcd_enable_cursor();
+		    lcd_enable_blinking();
+		    break;
+		case 2:
+		    lcd_set_cursor(7, 1);
+		    lcd_enable_cursor();
+		    lcd_enable_blinking();
+		    break;
+		case 3:
+		    lcd_set_cursor(14,1);
+		    lcd_enable_cursor();
+		    lcd_enable_blinking();
+		    break;
+	    }
+	}
 	_delay_ms(10);
     }
 
 }
 
+ISR(PCINT0_vect){
+    if(!(PINB & (1<<6))){
+	menu_state=(menu_state+1)%4;
+	update=1;
+    }
+}
+
 ISR(PCINT1_vect){
-    if(PINC & (1<<2)){
-	if(PINC & (1<<3))
-	    cam--;
-	else
-	    cam++;
-	eeprom_write_byte(&cam_saved, cam);
-    }else{
+    if(menu_state){
+	uint8_t dir = PINC & (1<<2)?1:-1;
+
 	if(PINC & (1<<3))
-	    cam++;
+	    menu.arr[menu_state-1]-=dir;
 	else
-	    cam--;
-	eeprom_write_byte(&cam_saved, cam);
+	    menu.arr[menu_state-1]+=dir;
+	menu.arr[menu_state-1]%=setting_limits[menu_state-1];
+
+	eeprom_update_block(menu.arr, &settings_saved, sizeof(settings_t));
+	update=1;
     }
 }