void initFan(bool init) {
if (init) {
exportGpio(true);
sleep(1);
setDirection(true);
changeFanState(ENUM_FAN_STATUS_OFF);
} else {
changeFanState(ENUM_FAN_STATUS_OFF);
exportGpio(false);
}
}
void attach(const char *pin) {
this->pin = pin;
exportGpio(pin);
//muxPin(pin, 0x37);
digitalMode(pin, OUTPUT);
mode = OUTPUT;
}
static int
GPIO_init(GPIO *self, PyObject *args, PyObject *kwds)
{
int fd = -1;
int gpio = -1;
PyObject * direction = NULL;
PyObject * trigger = NULL;
PyObject * tmp = NULL;
static char *kwlist[] = { "gpio", "direction", "trigger", NULL };
if ( !PyArg_ParseTupleAndKeywords(args, kwds, "i|OO:__init__",
kwlist, &gpio, &direction, &trigger ) )
return -1;
if (gpio < 0)
return -1;
self->gpio = gpio;
GPIO_VALUE( gpio, self->v_path );
if ( ( fd = open( self->v_path, O_RDWR, 0 ) ) == -1 ) {
// try to get gpio exported:
if ( exportGpio( gpio ) == 0 ) {
// check if export was (really) successful
if ( ( fd = open( self->v_path, O_RDWR ) ) == -1) {
// export failed
PyErr_SetFromErrno( PyExc_IOError );
return -1;
}
} else {
PyErr_SetString( PyExc_StandardError,
"Export failed." );
return -1;
}
}
GPIO_EDGE(gpio, self->e_path);
GPIO_DIREC(gpio, self->d_path);
self->fd_val = fd;
if ( ( self->fd_dir = open( self->d_path, O_RDWR ) ) == -1 ) {
return -1;
}
if ( ( self->fd_edge = open( self->e_path, O_RDWR ) ) == -1 ) {
return -1;
}
if (direction) {
setDirection( self, direction );
tmp = self->direction;
Py_INCREF(direction);
self->direction = direction;
Py_XDECREF(tmp);
} else {
// no direction requested, use current
Py_XDECREF(self->direction);
self->direction = getDirection( self );
Py_INCREF(self->direction);
}
if (trigger) {
setTrigger( self, trigger );
tmp = self->trigger;
Py_INCREF(trigger);
self->trigger = trigger;
Py_XDECREF(tmp);
} else {
// no trigger requested, use current
Py_XDECREF(self->trigger);
self->trigger = getTrigger( self );
Py_INCREF(self->trigger);
}
return 0;
}
