static void update_widget(GtkBuilder *builder, struct w_info *item)
{
GtkWidget *widget;
int val;
long long value;
widget = GTK_WIDGET(gtk_builder_get_object(builder, item->name));
val = iio_device_debug_attr_read_longlong(dev, item->name, &value);
/* check for errors, in case there is a kernel <-> userspace mismatch */
if (val < 0) {
printf("%s:%s: error accessing '%s' (%s)\n",
__FILE__, __func__, item->name, strerror(-val));
gtk_widget_hide(widget);
return;
}
val = (int) value;
switch (item->type) {
case CHECKBOX:
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), !!val);
break;
case BUTTON:
if (val)
gtk_button_clicked(GTK_BUTTON(widget));
break;
case SPINBUTTON:
gtk_spin_button_set_value(GTK_SPIN_BUTTON(widget), val);
break;
case COMBOBOX:
gtk_combo_box_set_active(GTK_COMBO_BOX(widget), val);
break;
}
}
static void signal_handler_cb (GtkWidget *widget, gpointer data)
{
struct w_info *item = data;
unsigned val;
char str[80];
int bit, ret;
long long mask;
switch (item->type) {
case CHECKBOX:
val = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (widget));
break;
case BUTTON:
val = 1;
break;
case SPINBUTTON:
case SPINBUTTON_S8:
val = (unsigned) gtk_spin_button_get_value(GTK_SPIN_BUTTON (widget));
break;
case COMBOBOX:
val = gtk_combo_box_get_active(GTK_COMBO_BOX(widget));
break;
case CHECKBOX_MASK:
/* Format is: adi,gpo-manual-mode-enable-mask#2
* # separates item name from bit number
*/
val = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (widget));
ret = sscanf(item->name, "%[^'#']#%d", str, &bit);
if (ret != 2)
return;
iio_device_debug_attr_read_longlong(dev, str, &mask);
if (val) {
mask |= (1 << bit);
} else {
mask &= ~(1 << bit);
}
iio_device_debug_attr_write_longlong(dev, str, mask);
if (dev_slave)
iio_device_debug_attr_write_longlong(dev_slave, str, mask);
return;
default:
return;
}
iio_device_debug_attr_write_longlong(dev, item->name, val);
if (dev_slave)
iio_device_debug_attr_write_longlong(dev_slave, item->name, val);
if (!strcmp(item->name, "initialize")) {
reload_settings();
}
}
int iio_device_debug_attr_read_bool(const struct iio_device *dev,
const char *attr, bool *val)
{
long long value;
int ret = iio_device_debug_attr_read_longlong(dev, attr, &value);
if (ret < 0)
return ret;
*val = !!value;
return 0;
}
int iio_device_reg_read(struct iio_device *dev,
uint32_t address, uint32_t *value)
{
/* NOTE: There is a race condition here. But it is extremely unlikely to
* happen, and as this is a debug function, it shouldn't be used for
* something else than debug. */
long long val;
int ret = iio_device_debug_attr_write_longlong(dev,
"direct_reg_access", (long long) address);
if (ret < 0)
return ret;
ret = iio_device_debug_attr_read_longlong(dev,
"direct_reg_access", &val);
if (!ret)
*value = (uint32_t) val;
return ret;
}
