int main (int argc, char *argv [])
{
lcd_init();
SetChrMode();
lcd_text("hello world!");
SetCmdMode();
lcd_gotoxy(1,2);
SetChrMode();
lcd_text("Luis");
return 0 ;
}
/**
Wrtie some text on screen
**/
void lcd_text(char *s)
{
SetChrMode();
while(*s)
lcd_byte(*s++);
SetCmdMode();
}
void lcd_text(mraa_gpio_context *g, char *s, int line)
{
SetCmdMode(g); // set to cmd mode to send line cmd
if(line == 1)
lcd_byte(g, 0x80); // line 1
else
lcd_byte(g, 0xC0); // line 2
SetChrMode(g); // set to char mode to send text
while(*s)
lcd_byte(g, *s++);
}
void lcd_init(mraa_gpio_context *g)
{
// set up pi pins for output
g[0] = mraa_gpio_init(LCD_E);
g[1] = mraa_gpio_init(LCD_RS);
g[2] = mraa_gpio_init(LCD_D4);
g[3] = mraa_gpio_init(LCD_D5);
g[4] = mraa_gpio_init(LCD_D6);
g[5] = mraa_gpio_init(LCD_D7);
for(int i = 0; i < 6; i++) {
mraa_gpio_dir(g[i], MRAA_GPIO_OUT);
}
// initialise LCD
SetCmdMode(g); // set for commands
lcd_byte(g,0x33); // 2 line mode
lcd_byte(g,0x32); // 2 line mode
lcd_byte(g,0x06); // 2 line mode
lcd_byte(g,0x0C); // 2 line mode
lcd_byte(g,0x28); // display on, cursor off, blink off
lcd_byte(g,0x01); // clear screen
usleep(3000); // clear screen is slow!
SetChrMode(g);
}
/**
* Program pooling a directory, and doing a scheduling.
**/
int main (int argc, char** argv)
{
initPins();
adc_init();
lcd_init();
/** The status does not exist at the launch of the schduler prgram*/
clearFile();
int pid=readPid();
stopIfPidExists(pid);
writePid();
SetChrMode();
int nbSecond;
int remainingSeconds;
uchar intensity;
uchar tmpintensity;
int i;
int valueInFile;
time_t whenItsComplete ;
char timestr[7];
pinMode (RELAY_IN, OUTPUT);
// Permanent loop checking file.
int cycle=0;
while(1){
valueInFile=getCoundownValue();
#ifndef PROD
printf("pause:%d,valueInFile:%d\n",pauseSt,valueInFile);
#endif
if(valueInFile>=0){
nbSecond=valueInFile;
// The countdown
whenItsComplete = time(NULL)+nbSecond;
remainingSeconds=whenItsComplete-time(NULL);
}
else{remainingSeconds=-1;}
#ifndef PROD
printf("nbsecond:%d\n",nbSecond);
#endif
do {
/**
* Do a regular reset of the LCD
**/
if(cycle%500==0){
lcd_init();
}
else if(cycle%60==0){
resetLcd();
}
/**
* Write the remaining seconds
**/
if(cycle%60==0){
writeRemaining(remainingSeconds);
}
/**
* Increment only if not in pause (Cycle increments will be at the end of the cycle loop.
**/
updateStandbyStatus();
cycle++;
if(remainingSeconds>-1){
if(pauseSt==IS_RUNNING){
remainingSeconds=whenItsComplete-time(NULL);
}else{
whenItsComplete=remainingSeconds+time(NULL);
}
openRelay();
if(lastImmobileState==0||(time(NULL)-lastImmobileState)<NBSECONDBEFORECREENSHUTDOWN){
digitalWrite (TRANSISTOR, LOW);
}
else{
digitalWrite (TRANSISTOR, HIGH);
}
int seconds=remainingSeconds%60;
int hours=remainingSeconds/3600;
int minutes=remainingSeconds/60%60;
sprintf(timestr,"%02d:%02d:%02d",hours,minutes,seconds);
goHome();
lcd_text(timestr);
#ifndef PROD
printf("%s\n",timestr);
#endif
sleep(1);
}
/**
* Block measuring intensity
*/
if(cycle%20==0){
intensity=get_ADC_Result();
#ifndef PROD
printf("Intensite: %d\n",intensity);
#endif
}
#ifndef PROD
printf("Remaining seconds %d,cycle=%d\n",remainingSeconds,cycle);
#endif
} while ( remainingSeconds>0&& !isFilePresent());
#ifndef PROD
// printf("Sortie boucle décompte\n");
#endif
/**
* Every 10 ccyle there is a full reset of the screen. Otherwise it is light reset.
**/
if(cycle%100==0){
lcd_init();
}
nbSecond=0;
/**
*
**/
if(valueInFile==NO_FILE){
goHome();
closeRelay();
digitalWrite (TRANSISTOR, HIGH);
lcd_text("Expire " );
#ifndef PROD
printf("Expire\n");
#endif
}
else if(valueInFile==TV_ON){
goHome();
openRelay();
digitalWrite (TRANSISTOR, LOW);
lcd_text("Tele on " );
}
else if(valueInFile==TV_OFF){
goHome();
digitalWrite (TRANSISTOR, HIGH);
closeRelay();
lcd_text("Tele off " );
}
sleep(3);
}
}