static int
process_scan (IIOSensorData data, DrvData *or_data)
{
int i;
int accel_x, accel_y, accel_z;
gboolean present_x, present_y, present_z;
AccelReadings readings;
if (data.read_size < 0) {
g_warning ("Couldn't read from device: %s", g_strerror (errno));
return 0;
}
/* Rather than read everything:
* for (i = 0; i < data.read_size / or_data->scan_size; i++)...
* Just read the last one */
i = (data.read_size / or_data->buffer_data->scan_size) - 1;
if (i < 0) {
g_debug ("Not enough data to read (read_size: %d scan_size: %d)", (int) data.read_size, or_data->buffer_data->scan_size);
return 0;
}
process_scan_1(data.data + or_data->buffer_data->scan_size*i, or_data->buffer_data, "in_accel_x", &accel_x, &present_x);
process_scan_1(data.data + or_data->buffer_data->scan_size*i, or_data->buffer_data, "in_accel_y", &accel_y, &present_y);
process_scan_1(data.data + or_data->buffer_data->scan_size*i, or_data->buffer_data, "in_accel_z", &accel_z, &present_z);
g_debug ("Read from IIO: %d, %d, %d", accel_x, accel_y, accel_z);
/* To match the Pegatron accelerometer code
* (see pega_accel_poll() in asus-laptop.c)
* we invert both x, and y values */
accel_x = -accel_x;
accel_y = -accel_y;
//FIXME report errors
readings.accel_x = accel_x;
readings.accel_y = accel_y;
readings.accel_z = accel_z;
or_data->callback_func (&iio_buffer_accel, (gpointer) &readings, or_data->user_data);
return 1;
}
static int
process_scan (IIOSensorData data, DrvData *or_data)
{
int i;
int level = 0;
gdouble scale;
gboolean present_level;
LightReadings readings;
if (data.read_size < 0) {
g_warning ("Couldn't read from device '%s': %s", or_data->name, g_strerror (errno));
return 0;
}
/* Rather than read everything:
* for (i = 0; i < data.read_size / or_data->scan_size; i++)...
* Just read the last one */
i = (data.read_size / or_data->buffer_data->scan_size) - 1;
if (i < 0) {
g_debug ("Not enough data to read from '%s' (read_size: %d scan_size: %d)", or_data->name,
(int) data.read_size, or_data->buffer_data->scan_size);
return 0;
}
process_scan_1(data.data + or_data->buffer_data->scan_size*i, or_data->buffer_data, "in_intensity_both", &level, &scale, &present_level);
g_debug ("Light read from IIO on '%s': %d (scale %lf) = %lf", or_data->name, level, scale, level * scale);
readings.level = level * scale;
/* Even though the IIO kernel API declares in_intensity* values as unitless,
* we use Microsoft's hid-sensors-usages.docx which mentions that Windows 8
* compatible sensor proxies will be using Lux as the unit, and most sensors
* will be Windows 8 compatible */
readings.uses_lux = TRUE;
//FIXME report errors
or_data->callback_func (&iio_buffer_light, (gpointer) &readings, or_data->user_data);
return 1;
}
static int
process_scan (IIOSensorData data, DrvData *or_data)
{
int i;
int level = 0;
gdouble scale;
gboolean present_level;
LightReadings readings;
if (data.read_size < 0) {
g_warning ("Couldn't read from device: %s", g_strerror (errno));
return 0;
}
/* Rather than read everything:
* for (i = 0; i < data.read_size / or_data->scan_size; i++)...
* Just read the last one */
i = (data.read_size / or_data->buffer_data->scan_size) - 1;
if (i < 0) {
g_debug ("Not enough data to read (read_size: %d scan_size: %d)", (int) data.read_size, or_data->buffer_data->scan_size);
return 0;
}
process_scan_1(data.data + or_data->buffer_data->scan_size*i, or_data->buffer_data, "in_intensity_both", &level, &scale, &present_level);
g_debug ("Read from IIO: %f", level * scale);
readings.level = level;
if (scale)
readings.level *= scale;
readings.uses_lux = TRUE;
//FIXME report errors
or_data->callback_func (&iio_buffer_light, (gpointer) &readings, or_data->user_data);
return 1;
}