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fixes for #17, hardware pwm works now, still can't change polarity, but i think that's a kernel driver/dtb thing.

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This commit is contained in:
Robert Wolterman
2016-12-31 01:43:42 +00:00
parent b12c0ad2fe
commit 7d91bbc47e
9 changed files with 180 additions and 95 deletions
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14
source/py_pwm.c
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@ -43,6 +43,15 @@ static PyObject *py_cleanup(PyObject *self, PyObject *args)
Py_RETURN_NONE;
}
// python function toggle_debug()
static PyObject *py_toggle_debug(PyObject *self, PyObject *args)
{
// toggle debug printing
pwm_toggle_debug();
Py_RETURN_NONE;
}
// python function start(channel, duty_cycle, freq)
static PyObject *py_start_channel(PyObject *self, PyObject *args, PyObject *kwargs)
{
@ -170,9 +179,10 @@ static const char moduledocstring[] = "Hardware PWM functionality of a CHIP usin
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 'PWM0', or 'U13_18'"},
{"stop", (PyCFunction)py_stop_channel, METH_VARARGS | METH_KEYWORDS, "Stop the PWM channel. channel can be in the form of 'PWM0', or 'U13_18'"},
{ "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)" },
{"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"},
{"toggle_debug", py_toggle_debug, METH_VARARGS, "Toggles the enabling/disabling of Debug print output"},
//{"setwarnings", py_setwarnings, METH_VARARGS, "Enable or disable warning messages"},
{NULL, NULL, 0, NULL}
};