46 lab4_code.c
View file
@@ -9,14 +9,15 @@
// PORT B is used for SPI and binary output for decoder for LED digits
// SPI port is used to send data to the bar graph, and read data in from Encoders
// Since each SPI device is only a one way data stream, these can be done at the same time
#define F_CPU 16000000 // cpu speed in hertz
#include <avr/io.h>
//#define F_CPU 16000000 // cpu speed in hertz
#define TRUE 1
#define FALSE 0
#define bar_clk 2 //on port F
#include <avr/io.h>
//#include <avr/io.h>
#include <util/delay.h>
#include <avr/interrupt.h>//added
#include "LCDDriver.h"
#include "lcd_functions.h"

//volatile uint8_t ext_count=0; not being used at this time
#define SEL0 4
@@ -25,11 +26,14 @@
#define PWM 7
//*******************Global*****************************************
//holds data to be sent to the segments. logic zero turns segment on
uint8_t line1[16]=" ALARM ";
uint8_t line2[16]=" Alarm off ";
uint8_t lcd_count=1;
uint8_t segment_data[5];
int8_t min=49; //Startup time
int8_t hour=17; //Startup time
int8_t min=30; //Startup time
int8_t hour=8; //Startup time
int8_t alarm=0; //Alarm starts off
int8_t alarm_min=30; //start up time for alram
int8_t alarm_min=31; //start up time for alram
int8_t alarm_hour=8; //This will get changed when alarm is put in EEPROM
int16_t countL=0;
int16_t countR=0;
@@ -88,7 +92,8 @@ void spiRW(uint8_t bar){
//Sets up SPI port
void spi_init(void){
//DDRB is already setup in main
DDRF=(1<<bar_clk);
DDRF=(1<<bar_clk)|(1<<3);

SPCR = (1<<SPE) | (1<<MSTR); //master mode
SPSR = (1<<SPI2X); //sets speed
}//spi_init
@@ -114,9 +119,14 @@ PORTA=0xFF; //turns on PU resistors
PORTB=(1<<SEL0)|(1<<SEL1)|(1<<SEL2);
asm("nop");
asm("nop");
//line2[11] and 12 for alarm oXX
if(debounce_switch(0)==1){mode =1;countL=0;countR=0;}//Set time
if(debounce_switch(1)==1){mode =2;countL=0;countR=0;}//Set alarm time
if(debounce_switch(2)==1){alarm ^=1<<7;countL=0;countR=0;}//Alarm on/off
if(debounce_switch(2)==1){
alarm ^=1<<7;
if(bit_is_clear(alarm,7)){line2[11]='f';line2[12]='f';}
if(bit_is_set(alarm,7)){line2[11]='n';line2[12]=' ';}
countL=0;countR=0;}//Alarm on/off
if(debounce_switch(3)==1){countL=0;countR=0;}//Radio on/off LOST 13Hz adding 6 if statements
if(debounce_switch(4)==1){countL=0;countR=0;}// 12/24
if(debounce_switch(5)==1){countL=0;countR=0;}// Snooze
@@ -147,6 +157,7 @@ _delay_ms(.01);//0.02

//sets up the timer 0 for RTC
void init_tcnt0(){

ASSR |=(1<<AS0); //run off external 32khz osc (TOSC)
TIMSK=0x00; //reset to all 0
TIMSK |=(1<<OCIE0);
@@ -204,6 +215,16 @@ ISR(TIMER0_COMP_vect){
check_sw(); //checks switches
spiRW(mode);//Updates mode on bar graph and gets new encoder value
count_t++;
if(count_t%10==0){
//LCD update
if(lcd_count==0){cursor_home();}
if(lcd_count<16){char2lcd(line1[lcd_count]);}
else{char2lcd(line2[lcd_count-16]);}
lcd_count++;
if(lcd_count==16){home_line2();}
if(lcd_count==32){lcd_count=0;}

}//end if
if(count_t==781)
{
PORTC ^=1<<0;
@@ -218,7 +239,6 @@ else{segment_data[4]=11;}
//*****************************************************************
int main()
{
LCD_Init();
DDRC=(1<<0)|(1<<1);// Sets bit 6 and 7 to output, used for checking timing
PORTC=(1<<0)|(1<<1);//Sets both bits high to start wit
segment_data[4]=10;
@@ -227,6 +247,8 @@ init_tcnt2();
segsum(count);//sets up the segment data using initial count
DDRB=0b11110111;//set port bits 4-7 B as outputs and sets up SPI port
spi_init(); //sets up SPI
lcd_init();
cursor_off();
startup_test(); //Runs through all digits to ensure they are working
spiRW(mode); //initial mode displayed on bar graph (all off)
ADC_init();
@@ -248,11 +270,13 @@ ADCSRA|=(1<<ADSC);
//OCR2 range from 0 to 240ish
//end dimming stuff

if(alarm==128 && min==alarm_min && hour==alarm_hour)
if(bit_is_set(alarm,7) && min==alarm_min && hour==alarm_hour)
{
//Do alarm stuff this will only sound alarm for 1 min
// check switch for snooze, add 10 min to alarm
}

line1[1]='A';line1[2]='L';line1[3]='A';line1[4]='R';line1[5]='M';}
if(bit_is_clear(alarm,7)){line1[1]=' ';line1[2]=' ';line1[3]=' ';line1[4]=' ';line1[5]=' ';}//end else
if(min==60){hour++;min=0;}
if(hour==25){hour=0;}
switch(mode){