void eeprom_read(void* sram_dest, uint16_t eeaddr, uint16_t size)
{
uint8_t _t;
uint8_t *dest = (uint8_t*)sram_dest;
do
{
_t=_SAVE_INTERRUPT();
_DISABLE_INTERRUPT();
__EEGET(*dest,eeaddr);
_RESTORE_INTERRUPT(_t);
eeaddr++;
dest++;
}while(--size);
EEAR=0x000; //this will help to prevent corruption of EEPROM
}
/*****************************************************************************
*
* Function name : vCard
*
* Returns : char ST_state (to the state-machine)
*
* Parameters : char input (from joystick)
*
* Purpose : Puts the name in EEPROM on the LCD
*
*****************************************************************************/
char vCard(char input)
{
static char enter = 1;
if (enter)
{
enter = 0;
__EEGET(index, EEPROM_START); // Load the length if the name
if((index < 1) | (index > STRLENGHT)) // if illegal length
{
index = 0;
Name[0] = 'A';
enter = 1;
return ST_VCARD_ENTER_NAME; //enter new name
}
else
{
LoadEEPROM(Name, index, EEPROM_START + 1); // Load name
LCD_puts(Name, 1);
}
}
else if (input == KEY_NEXT)
{
enter = 1;
return ST_VCARD_ENTER_NAME;
}
else if (input == KEY_PREV)
{
enter = 1;
return ST_VCARD;
}
return ST_VCARD_FUNC;
}
void readDataFromEeprom() {
unsigned int hour;
unsigned int min;
// sequence 1
hour = eeprom_read_byte((uint8_t*)0);
if (hour > 23) { hour = 0; }
on[0] = hour;
min = eeprom_read_byte((uint8_t*)1);
if (min > 59) { min = 0; }
on[1] = min;
// sequence 2
hour = eeprom_read_byte((uint8_t*)2);
if (hour > 23) { hour = 0; }
on[2] = hour;
min = eeprom_read_byte((uint8_t*)3);
if (min > 59) { min = 0; }
on[3] = min;
// sequence 3
hour = eeprom_read_byte((uint8_t*)4);
if (hour > 23) { hour = 0; }
on[4] = hour;
min = eeprom_read_byte((uint8_t*)5);
if (min > 59) { min = 0; }
on[5] = min;
// sequence 4
hour = eeprom_read_byte((uint8_t*)6);
if (hour > 23) { hour = 0; }
on[6] = hour;
min = eeprom_read_byte((uint8_t*)7);
if (min > 59) { min = 0; }
on[7] = min;
// sequence 5
hour = eeprom_read_byte((uint8_t*)8);
if (hour > 23) { hour = 0; }
on[8] = hour;
min = eeprom_read_byte((uint8_t*)9);
if (min > 59) { min = 0; }
on[9] = min;
// sequence 6
hour = eeprom_read_byte((uint8_t*)10);
if (hour > 23) { hour = 0; }
on[10] = hour;
min = eeprom_read_byte((uint8_t*)11);
if (min > 59) { min = 0; }
on[11] = min;
// co2 on
hour = eeprom_read_byte((uint8_t*)12);
if (hour > 23) { hour = 0; }
co2[0] = hour;
min = eeprom_read_byte((uint8_t*)13);
if (min > 59) { min = 0; }
co2[1] = min;
// co2 off
hour = eeprom_read_byte((uint8_t*)14);
if (hour > 23) { hour = 0; }
co2[2] = hour;
min = eeprom_read_byte((uint8_t*)15);
if (min > 59) { min = 0; }
co2[3] = min;
// save switch and day status
__EEGET(switchStatus, (uint8_t*)STATUS_EEPROM_POS);
if (switchStatus > 5) {
switchStatus = 0;
}
__EEGET(dayStatus[0], (uint8_t*)STATUS_EEPROM_POS + 1);
if (dayStatus[0] > 2) {
dayStatus[0] = 0;
}
__EEGET(dayStatus[1], (uint8_t*)STATUS_EEPROM_POS + 2);
if (dayStatus[1] > 2) {
dayStatus[1] = 0;
}
__EEGET(dayStatus[2], (uint8_t*)STATUS_EEPROM_POS + 3);
if (dayStatus[2] > 2) {
dayStatus[2] = 0;
}
__EEGET(dayStatus[3], (uint8_t*)STATUS_EEPROM_POS + 4);
if (dayStatus[3] > 2) {
dayStatus[3] = 0;
}
__EEGET(dayStatus[4], (uint8_t*)STATUS_EEPROM_POS + 5);
if (dayStatus[4] > 2) {
dayStatus[4] = 0;
}
__EEGET(dayStatus[5], (uint8_t*)STATUS_EEPROM_POS + 6);
if (dayStatus[5] > 2) {
dayStatus[5] = 0;
}
}
void main(void){
__disable_interrupt();
//Anolog mux channel select output
DDRA = 0x3B;
DDRB = 0xFF; //initialize LCD
SETBIT(PORTB, 0); //deselect slave
init_lcd_dog();
clear_dsp();
DDRD = 0x01; // initialize PortD for interrupt
PORTD = 0x02;
SETBIT(DDRD, 7); //enable buzzer output
SETBIT(PORTD, 7); //disable buzzer
EIMSK = 0x0F; // enable individual interrupt
EICRA = 0x53;
__enable_interrupt();
//infinite loop -- approximately 1 second for each loop
while(1){
if(present_state == Limit){
__EEGET(temp_limit,channel_display);
if(flag & (1 << 0)){
temp_int = ((signed int)(temp_limit)*9)/5 + 32;
unit_temp = 'F';
}else{
temp_int = (signed int)temp_limit;
unit_temp = 'C';
}
clear_dsp();
printf("Limit: %d ",temp_int);
putchar(unit_temp);
update_lcd_dog();
}else{
for(channel_conv = 0; channel_conv < 8; channel_conv++){
DG528_driver(channel_conv); //select channel
for(i = 0; i < 10; i++){ //conv for each channel 10 times
channel_voltage[channel_conv][i%8] = ADC161_conv();
}
}
if(present_state == Auto){
if(current_time == 3){
current_time = 0; //reset timer;
channel_display = (channel_display + 1)%8;
}else
current_time ++ ;
}else
current_time = 0; //always reset timer on man state
if(present_state == Alert && counter == 0)
CLEARBIT(PORTD, 7);
else{
SETBIT(PORTD, 7);
if(counter > 0)
counter --;
}
//summing ADC reading for a particular channel
adc_sum = 0;
for(i = 0; i<8; i++)
adc_sum += (unsigned long int)channel_voltage[channel_display][i];
//average the sum and look up the temperature in the table
temperature = tb_lookup(((unsigned int)(adc_sum >> 3)));
if(flag & (1 << 0)){
temperature = (temperature* 9)/5 + 320;
unit_temp = 'F';
}else
unit_temp = 'C';
if(temperature < 0)
temp_tenth = (0 - temperature)%10;
else
temp_tenth = temperature%10;
temperature = temperature/10;
clear_dsp();
printf("%s: %d.%d ", a[channel_display], temperature, temp_tenth);
putchar(unit_temp);
update_lcd_dog();
__EEGET(temp_limit, channel_display);
if(flag & (1 << 0))
temp_int = ((signed int)(temp_limit)*9)/5 + 32;
else
temp_int = (signed int)temp_limit;
if(((temp_int != 0) &&
(temp_int <= temperature)) || present_state == Alert)
{
index = 16;
printf("LIMIT EXCEEDED!!");
update_lcd_dog();
SETBIT(PORTD, 0);
CLEARBIT(PORTD, 0);
}
__delay_cycles(8000000); //delay_for_1 second
}
}
}
char eeprom_getchar(int addr)
{
char data;
__EEGET(data, addr);
return data;
}
