upiwin/src/ep_upiwin.c

#define PY_SSIZE_T_CLEAN
#include <Python.h>
#include "scode.h"
#include "ep_init.h"
#include "gpio.h"
#include "ep_upiwin.h"

static PyMethodDef UPIWINMethods[] = {
  /* Backlight control functions */
  {"get_backlight", Epython_get_backlight, METH_VARARGS,
   "Returns the current status of the backlight (True=on, False=off)."},
  {"set_backlight", Epython_set_backlight, METH_VARARGS,
   "Sets the current status of the backlight (True=on, False=off). Returns a SCODE."},
  {"get_backlight_level", Epython_get_backlight_level, METH_VARARGS,
   "Returns the current intensity level of the backlight."},
  {"set_backlight_level", Epython_set_backlight_level, METH_VARARGS,
   "Sets the current intensity level of the backlight. Returns a SCODE."},
  {NULL, NULL, 0, NULL}
};

static PyModuleDef DefUPIWIN = {
  PyModuleDef_HEAD_INIT,     /* standard garbage */
  MOD_NAME_UPIWIN,           /* module name */
  NULL,                      /* no doc string */
  sizeof(UPIWIN_STATE),      /* per-module memory */
  UPIWINMethods,             /* method defs */
  NULL,                      /* no slots for multi-phase init */
  NULL,                      /* no traversal proc */
  NULL,                      /* no clear function */
  NULL                       /* no free function */
};

PyObject *Epython_init_upiwin_module(void)
{
  PyObject *module;
  PUPIWIN_STATE pstate;
  
  module = PyModule_Create(&DefUPIWIN);
  if (!module)
    return NULL;

  /* set up the module state */
  pstate = (PUPIWIN_STATE)PyModule_GetState(module);
  pstate->backlight_on = TRUE;
  pstate->backlight_level = GSB_BACKLIGHT_DEFAULT;
  
  return module;
}