int main (){
/*We need to call this function at the beginning of all out programs that use the library*/
RPi_init();
/*The pins that the switch is connected to*/
int pin1 = 13;
int pin2 = 15;
int position=-1;
/*We need a switch, and we're going to want to make sure it got created*/
TWS * sw = RPi_TWS_open(pin1,pin2);
if(sw==NULL){
printf("Error: %s\n",RPi_errorstr(RPi_errorno()));
return 1;
}
/*Lets see if its light or dark out there*/
if(0!=RPi_TWS_readPosition(sw,&position)){
printf("Error: %s\n", RPi_errorstr(RPi_errorno()));
return 1;
}
/*Tell the world what we have discovered!*/
printf("The switch is in position %d.\n",position);
/*Close our connection to the photoresistor*/
if(0!=RPi_TWS_close(sw)){
printf("Error: %s\n", RPi_errorstr(RPi_errorno()));
return 1;
}
return 0;
}
int main (){
/*We need to call this function at the beginning of all out programs that use the library*/
RPi_init();
/*These are the pins that the LEDs are hooked up to.
These can change depending on how everything is wired up*/
int pin1 = 9;
int pin2 = 10;
/*These variables are how we will interact with those LEDs.*/
LED * led1 = RPi_LED_open(pin1);
/*We should check that these pins actually got created before we start using them.*/
if(led1==NULL){
printf("Error creating LED: %s\n",RPi_errorstr(RPi_errorno()));
return 1;
}
LED * led2 = RPi_LED_open(pin2);
/*Again, check to make sure the pin was created.*/
if(led2==NULL){
printf("Error creating LED: %s\n",RPi_errorstr(RPi_errorno()));
return 1;
}
/*If this function does not return 0, we know something has gone wrong.
We can look up what happened.*/
if(0!=RPi_LED_toggle(led1)){
printf("Error: %s\n",RPi_errorstr(RPi_errorno()));
}
/*This prints a message to the screen and waits for any character input, the input is ignored.*/
printf("Press enter to toggle the LEDs\n");
getchar();
if(0!=RPi_LED_toggle(led2)){
printf("Error: %s\n",RPi_errorstr(RPi_errorno()));
}
if(0!=RPi_LED_toggle(led1)){
printf("Error: %s\n",RPi_errorstr(RPi_errorno()));
}
printf("Press enter to terminate\n");
getchar();
if(0!=RPi_LED_off(led2)){
printf("Error: %s\n",RPi_errorstr(RPi_errorno()));
}
if (0!=RPi_LED_close(led1)){
printf("Error closing LED: %s\n",RPi_errorstr(RPi_errorno()));
}
if (0!=RPi_LED_close(led2)){
printf("Error closing LED: %s\n",RPi_errorstr(RPi_errorno()));
}
return 0;
}
int
main (void)
{
/*****************************************************************************
*
* initialize and register all modules
*
*****************************************************************************/
init_modules();
#ifdef ENABLE_DIO
register_module((uint16_t**)gpio_Mod_Info);
#endif
#ifdef ENABLE_ADC
register_module((uint16_t**)ADC_Mod_Info);
#endif
#ifdef ENABLE_PWM
register_module((uint16_t**)pwm_Mod_Info);
#endif
/*****************************************************************************
*
* initilaize 1ms timer-interrupt and enable interrupts globaly
*
*****************************************************************************/
init_SysTimer ();
DebugTick = request_SysTimer ();
ProcTick = request_SysTimer ();
/*****************************************************************************
*
* initilaize spi-communication and data-structures
*
*****************************************************************************/
RPi_init (MAX(sizeof(OMap_t), sizeof(IMap_t)), 20, &RPi);
/*****************************************************************************
*
* register SPI-commands from all modules
*
*****************************************************************************/
register_mod_spi_commands();
sps_init ();
#ifdef ENABLE_XCOM
/*****************************************************************************
*
* check if slave present and enable it
*
*****************************************************************************/
if (Xcom_init ())
{
Features |= SP_BIT;
SlaveTick = request_SysTimer();
}
#endif
RPi_start (); // Finaly start SPI-communication
DDRD |= ((1 << PD4) | (1 << PD5));
DEBUGTICK = 0;
/*****************************************************************************
*
* main loop starts her
*
*****************************************************************************/
while (1)
{
/*****************************************************************************
*
* call the components workers
*
*****************************************************************************/
RPi_worker ();
sps_worker ();
/* switch (RPi.Status)
{
case RPI_STAT_IDLE:
PORTD |= ((1 << PD4) | (1 << PD5)); // 1 1;
break;
case RPI_STAT_RUN:
PORTD = PORTB & ~((1 << PD4) | (1 << PD5)); // 0 0
break;
case RPI_STAT_AUTO:
PORTD &= ~(1 << PD4);
PORTD |= (1 << PD5); // 0 1
break;
case RPI_STAT_CRC16_ERROR:
PORTD &= ~(1 << PD5);
PORTD |= (1 << PD4); // 1 0
break;
case RPI_STAT_MAN:
case RPI_STAT_MAN_UNKNOWN:
break;
}
*/
/*****************************************************************************
*
* some debugging helper
*
*****************************************************************************/
/* if (DEBUGTICK == 2)
{
DEBUGTICK = 0;
}
*/
#ifdef ENABLE_XCOMM
if (SLAVE_PRESENT)
{
Xcom_worker ();
if (SL_TICK == 3)
{
/* if (make_crc16 (sizeof(SMap_t), (uint8_t *) &XcomRxBuffer.buf)
== XcomRxBuffer.rio.crc16)
{
memcpy((void *)&SlaveMap,&XcomRxBuffer.rio.io,sizeof(SMap_t));
}
*/
Xcom_ack ();
Xcom_cmd (XCMD_INPUT, 15, &RealOutput);
// Xcom_cmd (XCMD_INPUT, sizeof(IMap_t), &InputMap);
SL_TICK++;
}
if (SL_TICK == 16)
{
Xcom_ack ();
Xcom_cmd (XCMD_OUTPUT, sizeof(OMap_t), RPi.tx);
SL_TICK++;
}
if (SL_TICK >= 25)
{
SL_TICK = 0;
}
}
#endif
/*****************************************************************************
*
* main loop ends here
*
*****************************************************************************/
}
}