コード例 #1
0
ファイル: esbe3_drv.c プロジェクト: rmcarlsson/hc_rpi
void
Esbe3_safe_shutdown (void)
{

  if ((-1 == GPIOWrite (POUT_INC, 0)) || (-1 == GPIOWrite (POUT_DEC, 0)))
    {
      ml_log (LOG_ERROR, "Failed to set both pins to 0");
      raise (SIGTERM);
    }

  if ((-1 == GPIODirection (POUT_INC, IN))
      || (-1 == GPIODirection (POUT_DEC, IN)))
    {
      ml_log (LOG_ERROR, "Failed to set both GPIO pins to IN direction");
      raise (SIGTERM);
    }

  if ((-1 == GPIOUnexport (POUT_INC)) || (-1 == GPIOUnexport (POUT_DEC)))
    {
      ml_log (LOG_ERROR, "Failed to unexport both GPIO pins");
      raise (SIGTERM);
    }

  ml_log (LOG_NOTICE, "Shunt has saftley ended. Bye");
}
コード例 #2
0
C_Flasher_IO_GPIO::~C_Flasher_IO_GPIO()
{
    /*
     * Disable GPIO pin
     */
    GPIOUnexport(GPIO_OUTPUT_PIN);
}
コード例 #3
0
int main(int argc, char *argv[])
{
	/*
	 * Enable GPIO pins
	 */
	if (-1 == GPIOExport(PIN))
		return(1);

	/*
	 * Set GPIO directions
	 */
	if (-1 == GPIODirection(PIN, IN))
		return(2);

	while (!terminated)
	{
		usleep(500 * 1000);
		if (GPIORead(PIN) == LOW)
		{
			terminated = 1;
			if (system("shutdown -h now") == -1)
				fprintf(stderr, "Failed to initiate shutdown!\n");
		}
	}

	/*
	 * Disable GPIO pins
	 */
	if (-1 == GPIOUnexport(PIN))
		return(3);

	return(0);
}
コード例 #4
0
ファイル: gpio.c プロジェクト: FreshXOpenSource/wallyd
int test(int pIn){

    int repeat = 10;
 
    if (-1 == GPIOExport(POUT) || -1 == GPIOExport(PIN)){
        return(1);
    }
 
    if (-1 == GPIODirection(POUT, OUT)){
        return(2);
    }
 
    do {
        if (-1 == GPIOWrite(POUT, repeat % 2)){
            return(3);
        }
        usleep(100 * 1000);
    }
    while (repeat--);
 
    if (-1 == GPIOUnexport(POUT)){
        return(4);
    }
 
    return(0);
}
コード例 #5
0
ファイル: blink.c プロジェクト: carsondarling/tagServer
/**
 * Turn a pin on and off
 * @param pout the pin to toggle
 * @param time how long to hold the pin in milliseconds
 */
int blinkLED(int pout, int time) {

    //export pin and set as output
    if (-1 == GPIOExport(pout)) {
        return (1);
    }

    //delay to allow sysfs to open up gpio files
    usleep(200 * 1000);

    if (-1 == GPIODirection(pout, OUT)) {
        return (2);
    }

    if (-1 == GPIOWrite(pout, HIGH)) {
        return (3);
    }
    usleep(1000 * time);
    if (-1 == GPIOWrite(pout, LOW)) {
        return (3);
    }

    if (-1 == GPIOUnexport(pout)) {
        return (4);
    }
    return (0);
}
コード例 #6
0
ファイル: gpio.c プロジェクト: TecDroiD/rocs
/**
 * deinit gpios 
 */ 
int gpio_deinit() {
	p_pin pin;
	int i;
	

	// initialize pin
	for (i = 0; i < config->num_pins; i++) {
		pin = &(config->pins[i]);
		if(-1 == GPIOUnexport(pin->number))  {
			log_message(ERROR, "could not disable GPIO %s", pin->mapname);
		}
	}

	
	return 0;
}
コード例 #7
0
ファイル: blink.c プロジェクト: brice-morin/resin-blink-c
int main(int argc, char *argv[]) {
	printf("START...\n");
	
	//catch SIGTERM for graceful exit
	struct sigaction action;
    memset(&action, 0, sizeof(struct sigaction));
    action.sa_handler = term;
    sigaction(SIGTERM, &action, NULL);
	
	printf("INIT GPIO\n");
    //Enable GPIO pins
    if (-1 == GPIOExport(POUT))
		return(1);

    //Set GPIO directions
    if (-1 == GPIODirection(POUT, OUT))
		return(2);

    while(done == 0) {//while not done...
		//Write GPIO value
		printf("ON\n");
		if (-1 == GPIOWrite(POUT, HIGH))
			return(3);
		usleep(1000 * 1000);
		printf("OFF\n");
		if (-1 == GPIOWrite(POUT, LOW))
			return(3);
		usleep(1000 * 1000);
    }

    //Disable GPIO pins
    if (-1 == GPIOUnexport(POUT))
		return(4);

    return(0);
}
コード例 #8
0
ファイル: main.c プロジェクト: Calebe94/Programacao_em_C
int main(void){
	MIDILogo("\n\nDeseja Iniciar o Programa S[1]/N[0] ?\n");

	unsigned int iInicia;
	
	do{iInicia = getnum();}while((iInicia<0)||iInicia>2);

	if(iInicia == 1){
		printf("Exportando Terminais...\n");	
		GPIOSetup(colLed[0],SAIDA);	GPIOSetup(colLed[1],SAIDA);	GPIOSetup(colLed[2],SAIDA);	GPIOSetup(colLed[3],SAIDA);	
		GPIOSetup(rowLed[0],SAIDA); GPIOSetup(rowLed[1],SAIDA); GPIOSetup(rowLed[2],SAIDA); GPIOSetup(rowLed[3],SAIDA);
		GPIOSetup(colBot[0],ENTRADA); GPIOSetup(colBot[1],ENTRADA); GPIOSetup(colBot[2],ENTRADA); GPIOSetup(colBot[3],ENTRADA);
		GPIOSetup(rowBot[0],SAIDA); GPIOSetup(rowBot[1],SAIDA); GPIOSetup(rowBot[2],SAIDA); GPIOSetup(rowBot[3],SAIDA);
		printf("Terminais Exportados!!!\n");

		pthread_t pBotControl,pSongControl[4];

		if(pthread_create(&pBotControl,NULL,buttonVerify,NULL)){
			printf("Não Conseguiu Criar a Thread para o Controle dos Botões!\n");
			return 0;
		}

		struct Argumentos col[4];
		for(register unsigned int iCount=0;iCount<4;iCount++){
			col[iCount].col = iCount;
			if(pthread_create(&pSongControl[iCount],NULL,songControl,(void*)&col[iCount])){
				printf("Não Conseguiu Criar a Thread %d para o Controle dos Tons!\n",iCount);
				return 0;
			}
			if(iniciar(100,&sFila[iCount])==false){
				printf("Problemas ao iniciar a Fila %d!\n",iCount);
				return 0;
			}
		}
		
		int iSelec = 10;

		do{
			MIDILogo("\n\nInsira uma Opção:\n");
			printf("[1]-Skrillex_-_Bangarang\n");
			printf("[2]-Skrillex_-_Cinema\n");
			printf("[3]-Skrillex_-_First Of The Year\n");
			printf("[4]-Avicii_-_Levels (Skrillex Remix)\n");
			printf("[5]-Clássicos dos GAMES\n");//Até a conversão dos sons Para .wav
			iSelec = getnum();//scanf("%d",&iSelec);
			if(iSelec == 1) strcpy(TONES_DIR,"Bangarang");
			else if(iSelec == 2) strcpy(TONES_DIR,"Cinema");
			else if(iSelec == 3) strcpy(TONES_DIR,"FOTY");
			else if(iSelec == 4) strcpy(TONES_DIR,"Levels");
			else if(iSelec == 5) strcpy(TONES_DIR,"Sons");
			else	strcpy(TONES_DIR,"Levels");
	 	}while(iSelec != 0);
		for(register unsigned int iCount=0;iCount<4;iCount++){
			encerrar(&sFila[iCount]);
			if(pthread_cancel(pSongControl[iCount])!=0)	printf("Não Cancelou a Thread %d \n",iCount);
			GPIOUnexport(colLed[iCount]);
			GPIOUnexport(colBot[iCount]);
			GPIOUnexport(rowLed[iCount]);
			GPIOUnexport(rowBot[iCount]);
		}
		return EXIT_SUCCESS;
	}else	return EXIT_SUCCESS;
}