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Fixing and Closing #43, #44, and #45. setmode() function added, per pin cleanup added for GPIO and SOFTPWM, and README updates

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Robert Wolterman
2017-01-05 05:54:14 +00:00
parent d0ed4665aa
commit 8ecec67bad
8 changed files with 84 additions and 20 deletions
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26
source/py_softpwm.c
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@ -34,11 +34,26 @@ SOFTWARE.
#include "common.h"
#include "c_softpwm.h"
// python function cleanup()
// python function cleanup(channel=None)
static PyObject *py_cleanup(PyObject *self, PyObject *args)
{
// unexport the PWM
softpwm_cleanup();
char key[8];
char *channel = NULL;
// Channel is optional
if (!PyArg_ParseTuple(args, "|s", &channel))
return NULL;
if (strcmp(channel, "") == 0) {
softpwm_cleanup();
} else {
if (!get_key(channel, key)) {
PyErr_SetString(PyExc_ValueError, "Invalid SOFTPWM key or name.");
return NULL;
}
softpwm_disable(key);
}
Py_RETURN_NONE;
}
@ -171,15 +186,14 @@ static PyObject *py_set_frequency(PyObject *self, PyObject *args, PyObject *kwar
Py_RETURN_NONE;
}
static const char moduledocstring[] = "Software PWM functionality of a CHIP using Python";
PyMethodDef pwm_methods[] = {
{"start", (PyCFunction)py_start_channel, METH_VARARGS | METH_KEYWORDS, "Set up and start the PWM channel. channel can be in the form of 'XIO-P0', or 'U14_13'"},
{"stop", (PyCFunction)py_stop_channel, METH_VARARGS | METH_KEYWORDS, "Stop the PWM channel. channel can be in the form of 'XIO-P0', or 'U14_13'"},
{ "start", (PyCFunction)py_start_channel, METH_VARARGS | METH_KEYWORDS, "Set up and start the PWM channel. channel can be in the form of 'XIO-P0', or 'U14_13'"},
{ "stop", (PyCFunction)py_stop_channel, METH_VARARGS | METH_KEYWORDS, "Stop the PWM channel. channel can be in the form of 'XIO-P0', or 'U14_13'"},
{ "set_duty_cycle", (PyCFunction)py_set_duty_cycle, METH_VARARGS, "Change the duty cycle\ndutycycle - between 0.0 and 100.0" },
{ "set_frequency", (PyCFunction)py_set_frequency, METH_VARARGS, "Change the frequency\nfrequency - frequency in Hz (freq > 0.0)" },
{"cleanup", py_cleanup, METH_VARARGS, "Clean up by resetting all GPIO channels that have been used by this program to INPUT with no pullup/pulldown and no event detection"},
{ "cleanup", (PyCFunction)py_cleanup, METH_VARARGS, "Clean up by resetting all GPIO channels that have been used by this program to INPUT with no pullup/pulldown and no event detection"},
//{"setwarnings", py_setwarnings, METH_VARARGS, "Enable or disable warning messages"},
{NULL, NULL, 0, NULL}
};