int main(int argc, char ** argv)
{
int i = 0;
int x, y;
x = y = 0;
boardInit();
for (i=0; i<PS2_READ_TIMES; i++) {
if (pcf8591Read(1, &x) != -1 && pcf8591Read(2, &y) != -1) {
printf("x=%4d y=%4d\n", x, y);
}
}
return 0;
}
int main(int argc, char ** argv)
{
int i = 0;
int value = 0;
int channel = 0;
if (boardInit() < 0) {
printf("Fail to init board\n");
return -1;
}
if (argc == 2)
channel = atoi(argv[1]);
system("modprobe "DRIVER_MODULE);
signal(SIGINT, intHandler);
for (i=0; i<ADC_READ_TIMES; i++) {
if (pcf8591Read(channel, &value) != -1) {
printf("The channel%d value is %d\n", channel, value);
} else {
printf("Fail to get channel%d value\n", channel);
}
}
system("rmmod "DRIVER_MODULE);
return 0;
}
static PyObject *py_pcf8591_read(PyObject *self, PyObject *args)
{
int data = -1;
int channel = -1;
PyObject *value = NULL;
if (!PyArg_ParseTuple(args, "i", &channel))
return NULL;
if (channel < 0 || channel > 3) {
PyErr_SetString(PyExc_ValueError, "Pcf8591 only has channel 0 1 2 3");
return NULL;
}
if (pcf8591Read(channel, &data) == 0) {
value = Py_BuildValue("i", data);
return value;
} else {
return NULL;
}
}
int main(int argc, char ** argv)
{
int devFD;
int data, channel, mode;
if ((devFD = pcf8591Init()) == -1) {
printf("Fail to init pcf8591\n");
return -1;
}
if (pcf8591SetCtrl(devFD, PCF8591_INIT_AD_CONTROL) == -1) {
printf("Fail to Set pcf8591 control AD\n");
pcf8591DeInit(devFD);
return -1;
}
mode = 0;
printf("pcf8591 working as AD in mode%d\n",mode);
for(channel = PCF8591_AIN_CHANNEL0;channel <= PCF8591_AIN_CHANNEL3; channel++) {
data = pcf8591Read(devFD, mode, channel);
printf("Channel%d's value: %d\n",channel,data);
}
pcf8591DeInit(devFD);
return 0;
}
int main(int argc, char ** argv)
{
int mode = 0x0;
if ((devFD = pcf8591Init()) == -1) {
printf("Fail to init pcf8591 AD\n");
return -1;
}
if (pcf8591SetCtrl(devFD, PCF8591_INIT_AD_CONTROL) == -1) {
printf("Fail to Set pcf8591 control AD\n");
pcf8591DeInit(devFD);
return -1;
}
int i = 0;
int data;
signal(SIGINT, smokeHandler);
for (i=0; i<SOIL_READ_TIMES; i++) {
data = pcf8591Read(devFD, mode, PCF8591_AIN_CHANNEL0);
printf("smoke moisture:%3d\n", data);
sleep(1);
}
pcf8591DeInit(devFD);
return 0;
}
