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plugins/fmcadc3: Add plugin
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Signed-off-by: Dan Nechita <[email protected]>
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@dNechita
dNechita committed Jul 29, 2015
1 parent cc75fb2 commit fda1340
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1 change: 1 addition & 0 deletions Makefile
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Expand Up @@ -67,6 +67,7 @@ PLUGINS=\
plugins/fmcomms2_adv.$(SO) \
plugins/ad6676.$(SO) \
plugins/pr_config.$(SO) \
plugins/fmcadc3.$(SO) \
plugins/daq2.$(SO) \
plugins/AD5628_1.$(SO) \
plugins/AD7303.$(SO) \
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130 changes: 130 additions & 0 deletions fmcadc3.glade
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<?xml version="1.0" encoding="UTF-8"?>
<interface>
<requires lib="gtk+" version="2.24"/>
<!-- interface-naming-policy project-wide -->
<object class="GtkAdjustment" id="adj_gain">
<property name="upper">15</property>
<property name="step_increment">1</property>
<property name="page_increment">2</property>
</object>
<object class="GtkVBox" id="fmcadc3_panel">
<property name="visible">True</property>
<property name="can_focus">False</property>
<child>
<object class="GtkHBox" id="hbox">
<property name="visible">True</property>
<property name="can_focus">False</property>
<child>
<object class="GtkVBox" id="vbox1">
<property name="visible">True</property>
<property name="can_focus">False</property>
<child>
<object class="GtkFrame" id="frame1">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="label_xalign">0</property>
<property name="shadow_type">none</property>
<child>
<object class="GtkAlignment" id="alignment1">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="left_padding">12</property>
<child>
<object class="GtkHBox" id="hbox1">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="spacing">5</property>
<child>
<object class="GtkLabel" id="label2">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="label" translatable="yes">VGA Gain(dB):</property>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">0</property>
</packing>
</child>
<child>
<object class="GtkSpinButton" id="gain">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="invisible_char">•</property>
<property name="primary_icon_activatable">False</property>
<property name="secondary_icon_activatable">False</property>
<property name="primary_icon_sensitive">True</property>
<property name="secondary_icon_sensitive">True</property>
<property name="adjustment">adj_gain</property>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">1</property>
</packing>
</child>
<child>
<placeholder/>
</child>
</object>
</child>
</object>
</child>
<child type="label">
<object class="GtkLabel" id="label1">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="label" translatable="yes">&lt;b&gt;Settings&lt;/b&gt;</property>
<property name="use_markup">True</property>
</object>
</child>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">0</property>
</packing>
</child>
<child>
<placeholder/>
</child>
</object>
<packing>
<property name="expand">True</property>
<property name="fill">True</property>
<property name="position">0</property>
</packing>
</child>
</object>
<packing>
<property name="expand">True</property>
<property name="fill">True</property>
<property name="position">0</property>
</packing>
</child>
<child>
<object class="GtkHButtonBox" id="hbuttonbox1">
<property name="visible">True</property>
<property name="can_focus">False</property>
<child>
<object class="GtkButton" id="fmcadc3_settings_reload">
<property name="label" translatable="yes">Reload Settings</property>
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="receives_default">True</property>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">False</property>
<property name="position">0</property>
</packing>
</child>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">1</property>
</packing>
</child>
</object>
</interface>
197 changes: 197 additions & 0 deletions plugins/fmcadc3.c
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/**
* Copyright (C) 2015 Analog Devices, Inc.
*
* Licensed under the GPL-2.
*
**/
#include <stdio.h>

#include <gtk/gtk.h>
#include <gtkdatabox.h>
#include <glib.h>
#include <gtkdatabox_grid.h>
#include <gtkdatabox_points.h>
#include <gtkdatabox_lines.h>
#include <math.h>
#include <stdint.h>
#include <errno.h>
#include <fcntl.h>
#include <stdbool.h>
#include <malloc.h>
#include <sys/stat.h>
#include <string.h>
#include <unistd.h>

#include "../datatypes.h"
#include "../osc.h"
#include "../iio_widget.h"
#include "../libini2.h"
#include "../osc_plugin.h"
#include "../config.h"

#define THIS_DRIVER "FMCADC3"
#define IIO_DEVICE "ada4961"

#define ARRAY_SIZE(x) (!sizeof(x) ?: sizeof(x) / sizeof((x)[0]))

static bool can_update_widgets;
static struct iio_widget widgets[10];
static unsigned int num_widgets;

static struct iio_context *ctx;
static struct iio_device *dev;

/* Control Widgets */
static GtkWidget *gain;

/* Default Plugin Variables */
static GtkNotebook *nbook;
static GtkWidget *fmcadc3_panel;

static const char *fmcadc3_sr_attribs[] = {
IIO_DEVICE".out_voltage0_hardwaregain",
};

static void reload_button_clicked(GtkButton *btn, gpointer data)
{
iio_update_widgets_of_device(widgets, num_widgets, dev);
}

static void save_widget_value(GtkWidget *widget, struct iio_widget *iio_w)
{
iio_w->save(iio_w);
}

static void make_widget_update_signal_based(struct iio_widget *widgets,
unsigned int num_widgets)
{
char signal_name[25];
unsigned int i;

for (i = 0; i < num_widgets; i++) {
if (GTK_IS_CHECK_BUTTON(widgets[i].widget))
sprintf(signal_name, "%s", "toggled");
else if (GTK_IS_TOGGLE_BUTTON(widgets[i].widget))
sprintf(signal_name, "%s", "toggled");
else if (GTK_IS_SPIN_BUTTON(widgets[i].widget))
sprintf(signal_name, "%s", "value-changed");
else if (GTK_IS_COMBO_BOX_TEXT(widgets[i].widget))
sprintf(signal_name, "%s", "changed");
else
printf("unhandled widget type, attribute: %s\n", widgets[i].attr_name);

if (GTK_IS_SPIN_BUTTON(widgets[i].widget) &&
widgets[i].priv_progress != NULL) {
iio_spin_button_progress_activate(&widgets[i]);
} else {
g_signal_connect(G_OBJECT(widgets[i].widget), signal_name, G_CALLBACK(save_widget_value), &widgets[i]);
}
}
}

static void load_profile(const char *ini_fn)
{
update_from_ini(ini_fn, THIS_DRIVER, dev, fmcadc3_sr_attribs,
ARRAY_SIZE(fmcadc3_sr_attribs));

if (can_update_widgets)
reload_button_clicked(NULL, NULL);
}

static GtkWidget * fmcadc3_init(GtkWidget *notebook, const char *ini_fn)
{
GtkBuilder *builder;
struct iio_channel *ch0;

can_update_widgets = false;

ctx = osc_create_context();
if (!ctx)
goto init_abort;

dev = iio_context_find_device(ctx,IIO_DEVICE);
ch0 = iio_device_find_channel(dev, "voltage0", true);

builder = gtk_builder_new();
nbook = GTK_NOTEBOOK(notebook);

if (!gtk_builder_add_from_file(builder, "fmcadc3.glade", NULL))
gtk_builder_add_from_file(builder, OSC_GLADE_FILE_PATH "fmcadc3.glade", NULL);

fmcadc3_panel = GTK_WIDGET(gtk_builder_get_object(builder, "fmcadc3_panel"));
gain = GTK_WIDGET(gtk_builder_get_object(builder, "gain"));

/* Bind the IIO device files to the GUI widgets */

iio_spin_button_int_init_from_builder(&widgets[num_widgets++],
dev, ch0, "hardwaregain", builder, "gain", NULL);

if (ini_fn)
load_profile(ini_fn);

/* Update all widgets with current values */
iio_update_widgets_of_device(widgets, num_widgets, dev);

/* Connect signals */
g_builder_connect_signal(builder, "fmcadc3_settings_reload", "clicked",
G_CALLBACK(reload_button_clicked), NULL);
make_widget_update_signal_based(widgets, num_widgets);

can_update_widgets = true;

return fmcadc3_panel;

init_abort:
if (ctx)
iio_context_destroy(ctx);

return NULL;
}

static void fmcadc3_get_preferred_size(int *width, int *height)
{
if (width)
*width = 640;
if (height)
*height = 480;
}

static void save_profile(const char *ini_fn)
{
FILE *f = fopen(ini_fn, "a");
if (f) {
save_to_ini(f, THIS_DRIVER, dev, fmcadc3_sr_attribs,
ARRAY_SIZE(fmcadc3_sr_attribs));
fclose(f);
}
}

static void context_destroy(const char *ini_fn)
{
g_source_remove_by_user_data(ctx);

if (ini_fn)
save_profile(ini_fn);

iio_context_destroy(ctx);
}

struct osc_plugin plugin;

static bool fmcadc3_identify(void)
{
/* Use the OSC's IIO context just to detect the devices */
struct iio_context *osc_ctx = get_context_from_osc();

return !!iio_context_find_device(osc_ctx, IIO_DEVICE);
}

struct osc_plugin plugin = {
.name = THIS_DRIVER,
.identify = fmcadc3_identify,
.init = fmcadc3_init,
.get_preferred_size = fmcadc3_get_preferred_size,
.save_profile = save_profile,
.load_profile = load_profile,
.destroy = context_destroy,
};

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