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added getmode #17

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added getmode #17

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17 changes: 17 additions & 0 deletions source/py_gpio.c
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Original file line number Diff line number Diff line change
Expand Up @@ -253,6 +253,22 @@ static PyObject *py_setmode(PyObject *self, PyObject *args)
Py_RETURN_NONE;
}

//python function getmode()
static PyObject *py_getmode(PyObject *self, PyObject *args)
{
PyObject *value;
if(setup_error)
{
PyErr_SetString(PyExc_RuntimeError, "Module not imported correctly!");
return NULL;
}
if(gpio_mode == MODE_UNKNOWN)
Py_RETURN_NONE;

value = Py_BuildValue("i", gpio_mode);
return value;
}

static unsigned int chan_from_gpio(unsigned int gpio)
{
int chan;
Expand Down Expand Up @@ -614,6 +630,7 @@ PyMethodDef rpi_gpio_methods[] = {
{"output", py_output_gpio, METH_VARARGS, "Output to a GPIO channel\nchannel - either board pin number or BCM number depending on which mode is set.\nvalue - 0/1 or False/True or LOW/HIGH"},
{"input", py_input_gpio, METH_VARARGS, "Input from a GPIO channel. Returns HIGH=1=True or LOW=0=False\nchannel - either board pin number or BCM number depending on which mode is set."},
{"setmode", py_setmode, METH_VARARGS, "Set up numbering mode to use for channels.\nBOARD - Use Raspberry Pi board numbers\nBCM - Use Broadcom GPIO 00..nn numbers"},
{"getmode", py_getmode, METH_VARARGS, "Get numbering mode used for channels.\nBOARD, BCM or None"},
{"add_event_detect", (PyCFunction)py_add_event_detect, METH_VARARGS | METH_KEYWORDS, "Enable edge detection events for a particular GPIO channel.\nchannel - either board pin number or BCM number depending on which mode is set.\nedge - RISING, FALLING or BOTH\n[callback] - A callback function for the event (optional)\n[bouncetime] - Switch bounce timeout in ms for callback"},
{"remove_event_detect", py_remove_event_detect, METH_VARARGS, "Remove edge detection for a particular GPIO channel\nchannel - either board pin number or BCM number depending on which mode is set."},
{"event_detected", py_event_detected, METH_VARARGS, "Returns True if an edge has occured on a given GPIO. You need to enable edge detection using add_event_detect() first.\nchannel - either board pin number or BCM number depending on which mode is set."},
Expand Down