upiwin/src/ep_backlight.c

85 lines
2.5 KiB
C

/*
* UPIWIN - Micro Pi Windowing Framework Kernel
* Copyright (C) 2019 Amy Bowersox/Erbosoft Metaverse Design Solutions
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*-------------------------------------------------------------------------
*/
#define PY_SSIZE_T_CLEAN
#include <Python.h>
#include "scode.h"
#include "log.h"
#include "gpio.h"
#include "ep_upiwin.h"
#include "ep_init.h"
PyObject *Epython_get_backlight(PyObject *self, PyObject *args)
{
PUPIWIN_STATE pstate;
if (!PyArg_ParseTuple(args, ""))
return NULL;
pstate = (PUPIWIN_STATE)PyModule_GetState(UPIWIN_module);
return PyBool_FromLong((long)(pstate->backlight_on));
}
PyObject *Epython_set_backlight(PyObject *self, PyObject *args)
{
PUPIWIN_STATE pstate;
int new_state;
if (!PyArg_ParseTuple(args, "p", &new_state))
return NULL;
pstate = (PUPIWIN_STATE)PyModule_GetState(UPIWIN_module);
if (new_state && !(pstate->backlight_on))
Gpio_set_backlight(pstate->backlight_level);
else if (!new_state && pstate->backlight_on)
Gpio_set_backlight(0);
pstate->backlight_on = MAKEBOOL(new_state);
return PyLong_FromUnsignedLong(S_OK);
}
PyObject *Epython_get_backlight_level(PyObject *self, PyObject *args)
{
PUPIWIN_STATE pstate;
if (!PyArg_ParseTuple(args, ""))
return NULL;
pstate = (PUPIWIN_STATE)PyModule_GetState(UPIWIN_module);
return PyLong_FromUnsignedLong(pstate->backlight_level);
}
PyObject *Epython_set_backlight_level(PyObject *self, PyObject *args)
{
PUPIWIN_STATE pstate;
UINT32 new_level;
HRESULT hr = S_OK;
if (!PyArg_ParseTuple(args, "k", &new_level))
return NULL;
if (new_level <= GSB_BACKLIGHT_MAX)
{
pstate = (PUPIWIN_STATE)PyModule_GetState(UPIWIN_module);
if (pstate->backlight_on)
Gpio_set_backlight(new_level);
pstate->backlight_level = new_level;
}
else
{
hr = E_INVALIDARG;
}
return PyLong_FromUnsignedLong(hr);
}