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Hantek.c
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/*
Hantek 2D72 handheld oscillosope tool for linux
Copyright (C) 2021 Luca Oliva
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "Hantek.h"
int find_device(int vendor, int product, libusb_device **output, libusb_device_handle **handle) {
libusb_device **list;
libusb_device *device = NULL;
struct libusb_device_descriptor desc;
int status = 0, res = 0;
ssize_t i = 0;
ssize_t cnt = libusb_get_device_list(NULL, &list);
*output = NULL;
*handle = NULL;
if(cnt < 0) {
fprintf(stderr, "No USB devices discovered.\n");
status = 1;
goto cleanup;
}
for(i = 0; i < cnt; ++i) {
device = list[i];
res = libusb_get_device_descriptor(device, &desc);
if(res != 0) {
fprintf(stderr, "[%d] Error getting device descriptor.\n", res);
continue;
}
if(desc.idVendor == vendor && desc.idProduct == product) {
*output = device;
break;
}
}
if(*output != NULL) {
res = libusb_open(device, handle);
if(res == LIBUSB_SUCCESS) {
status = 0;
}else{
status = 2;
fprintf(stderr, "[%d] Failed opening USB device.\n", res);
}
}else{
status = 3;
}
cleanup:
libusb_free_device_list(list, 1);
return status;
}
int claim_interfaces(libusb_device *device, libusb_device_handle *handle) {
int i = 0, res = 0;
struct libusb_config_descriptor *config = NULL;
res = libusb_get_config_descriptor(device, 0, &config);
if(res != 0) {
goto cleanup;
}
for(i = 0; i < config->bNumInterfaces; ++i) {
res = libusb_claim_interface(handle, i);
if(res != LIBUSB_SUCCESS) {
for(i; i >= 0; --i) {
libusb_release_interface(handle, i);
}
fprintf(stderr, "[%d] Failed claiming interface.", res);
break;
}
}
cleanup:
libusb_free_config_descriptor(config);
return res;
}
int release_interfaces(libusb_device *device, libusb_device_handle *handle) {
int i = 0, res = 0;
struct libusb_config_descriptor *config = NULL;
res = libusb_get_config_descriptor(device, 0, &config);
if(res != 0) {
goto cleanup;
}
for(i = 0; i < config->bNumInterfaces; ++i) {
libusb_release_interface(handle, i);
}
cleanup:
libusb_free_config_descriptor(config);
return res;
}
int main(int argc, char *argv[]) {
libusb_device *device = NULL;
int status = 0;
int cfg_fd;
GtkBuilder *builder;
GtkWidget *window;
libusb_init(NULL);
status = find_device(VENDOR, PRODUCT, &device, &handle);
if(status != 0) {
fprintf(stderr, "[%d] Failed to find device.\n", status);
goto cleanup;
}
claim_interfaces(device, handle);
gtk_init(&argc, &argv);
builder = gtk_builder_new_from_file("Hantek.glade");
window = GTK_WIDGET(gtk_builder_get_object(builder,"window_main"));
scope_radio = GTK_RADIO_BUTTON(gtk_builder_get_object(builder, "scope_radio"));
awg_radio = GTK_RADIO_BUTTON(gtk_builder_get_object(builder, "awg_radio"));
dmm_radio = GTK_RADIO_BUTTON(gtk_builder_get_object(builder, "dmm_radio"));
channel_offset_adj_ch1 = GTK_ADJUSTMENT(gtk_builder_get_object(builder, "channel_offset_adj_ch1"));
channel_offset_adj_ch2 = GTK_ADJUSTMENT(gtk_builder_get_object(builder, "channel_offset_adj_ch2"));
trigger_level_adj = GTK_ADJUSTMENT(gtk_builder_get_object(builder, "trigger_level_adj"));
time_offset_adj = GTK_ADJUSTMENT(gtk_builder_get_object(builder, "time_offset_adj"));
liststore_1x = GTK_LIST_STORE(gtk_builder_get_object(builder, "liststore_1x"));
liststore_10x = GTK_LIST_STORE(gtk_builder_get_object(builder, "liststore_10x"));
liststore_100x = GTK_LIST_STORE(gtk_builder_get_object(builder, "liststore_100x"));
liststore_1000x = GTK_LIST_STORE(gtk_builder_get_object(builder, "liststore_1000x"));
channel_enable_switch_ch1 = GTK_SWITCH(gtk_builder_get_object(builder, "channel_enable_switch_ch1"));
channel_enable_switch_ch2 = GTK_SWITCH(gtk_builder_get_object(builder, "channel_enable_switch_ch2"));
channel_coupling_combobox_ch1 = GTK_COMBO_BOX(gtk_builder_get_object(builder, "channel_coupling_combobox_ch1"));
channel_coupling_combobox_ch2 = GTK_COMBO_BOX(gtk_builder_get_object(builder, "channel_coupling_combobox_ch2"));
channel_scale_combobox_ch1 = GTK_COMBO_BOX(gtk_builder_get_object(builder, "channel_scale_combobox_ch1"));
channel_scale_combobox_ch2 = GTK_COMBO_BOX(gtk_builder_get_object(builder, "channel_scale_combobox_ch2"));
channel_probe_combobox_ch1 = GTK_COMBO_BOX(gtk_builder_get_object(builder, "channel_probe_combobox_ch1"));
channel_probe_combobox_ch2 = GTK_COMBO_BOX(gtk_builder_get_object(builder, "channel_probe_combobox_ch2"));
channel_offset_spinbutton_ch1 = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "channel_offset_spinbutton_ch1"));
channel_offset_spinbutton_ch2 = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "channel_offset_spinbutton_ch2"));
channel_bwlimit_switch_ch1 = GTK_SWITCH(gtk_builder_get_object(builder, "channel_bwlimit_switch_ch1"));
channel_bwlimit_switch_ch2 = GTK_SWITCH(gtk_builder_get_object(builder, "channel_bwlimit_switch_ch2"));
time_scale_combobox = GTK_COMBO_BOX(gtk_builder_get_object(builder, "time_scale_combobox"));
time_offset_spinbutton = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "time_offset_spinbutton"));
trigger_source_combobox = GTK_COMBO_BOX(gtk_builder_get_object(builder, "trigger_source_combobox"));
trigger_slope_combobox = GTK_COMBO_BOX(gtk_builder_get_object(builder, "trigger_slope_combobox"));
trigger_mode_combobox = GTK_COMBO_BOX(gtk_builder_get_object(builder, "trigger_mode_combobox"));
trigger_level_spinbutton = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "trigger_level_spinbutton"));
awg_type_combobox = GTK_COMBO_BOX(gtk_builder_get_object(builder, "awg_type_combobox"));
awg_frequency_spinbutton = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "awg_frequency_spinbutton"));
awg_amplitude_spinbutton = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "awg_amplitude_spinbutton"));
awg_offset_spinbutton = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "awg_offset_spinbutton"));
awg_squareduty_spinbutton = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "awg_squareduty_spinbutton"));
awg_rampduty_spinbutton = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "awg_rampduty_spinbutton"));
awg_trapriseduty_spinbutton = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "awg_trapriseduty_spinbutton"));
awg_traphighduty_spinbutton = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "awg_traphighduty_spinbutton"));
awg_trapfallduty_spinbutton = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "awg_trapfallduty_spinbutton"));
capture_samples_spinbutton = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "capture_samples_spinbutton"));
drawing_area = GTK_WIDGET(gtk_builder_get_object(builder, "drawing_area"));
gtk_builder_connect_signals(builder,NULL);
gtk_widget_show(window);
if ( access("Hantek.cfg", F_OK) ) {
cfg_fd = open("Hantek.cfg", O_CREAT | O_RDWR, 0666);
write(cfg_fd, &default_config, sizeof(default_config));
} else {
cfg_fd = open("Hantek.cfg", O_RDWR);
}
cur_config = mmap(NULL, sizeof(config_t), PROT_READ | PROT_WRITE, MAP_SHARED, cfg_fd, 0);
//Init all settings
gtk_button_clicked(GTK_BUTTON(scope_radio));
gtk_switch_set_state(channel_enable_switch_ch1, cur_config->channel_enable[0]);
gtk_switch_set_state(channel_enable_switch_ch2, cur_config->channel_enable[1]);
gtk_combo_box_set_active(channel_coupling_combobox_ch1, cur_config->channel_coupling[0]);
gtk_combo_box_set_active(channel_coupling_combobox_ch2, cur_config->channel_coupling[1]);
gtk_combo_box_set_active(channel_probe_combobox_ch1, cur_config->channel_probe[0]);
gtk_combo_box_set_active(channel_probe_combobox_ch2, cur_config->channel_probe[1]);
gtk_combo_box_set_active(channel_scale_combobox_ch1, cur_config->channel_scale[0]);
gtk_combo_box_set_active(channel_scale_combobox_ch2, cur_config->channel_scale[1]);
gtk_spin_button_set_value(channel_offset_spinbutton_ch1, cur_config->channel_offset[0]);
gtk_spin_button_set_value(channel_offset_spinbutton_ch2, cur_config->channel_offset[1]);
gtk_switch_set_state(channel_bwlimit_switch_ch1, cur_config->channel_bwlimit[0]);
gtk_switch_set_state(channel_bwlimit_switch_ch2, cur_config->channel_bwlimit[1]);
gtk_combo_box_set_active(time_scale_combobox, cur_config->time_scale);
gtk_spin_button_set_value(time_offset_spinbutton, cur_config->time_offset);
gtk_combo_box_set_active(trigger_source_combobox, cur_config->trigger_source);
gtk_combo_box_set_active(trigger_slope_combobox, cur_config->trigger_slope);
gtk_combo_box_set_active(trigger_mode_combobox, cur_config->trigger_mode);
gtk_spin_button_set_value(trigger_level_spinbutton, cur_config->trigger_level);
gtk_combo_box_set_active(awg_type_combobox, cur_config->awg_type);
gtk_spin_button_set_value(awg_frequency_spinbutton, cur_config->awg_frequency);
gtk_spin_button_set_value(awg_amplitude_spinbutton, cur_config->awg_amplitude);
gtk_spin_button_set_value(awg_offset_spinbutton, cur_config->awg_offset);
gtk_spin_button_set_value(awg_squareduty_spinbutton, cur_config->awg_squareduty);
gtk_spin_button_set_value(awg_rampduty_spinbutton, cur_config->awg_rampduty);
gtk_spin_button_set_value(awg_trapriseduty_spinbutton, cur_config->awg_trapriseduty);
gtk_spin_button_set_value(awg_traphighduty_spinbutton, cur_config->awg_traphighduty);
gtk_spin_button_set_value(awg_trapfallduty_spinbutton, cur_config->awg_trapfallduty);
gtk_spin_button_set_value(capture_samples_spinbutton, cur_config->num_samples);
gtk_main();
munmap(cur_config, sizeof(config_t));
close(cfg_fd);
g_object_unref(builder);
release_interfaces(device, handle);
libusb_close(handle);
cleanup:
libusb_exit(NULL);
return status;
}
void on_window_main_destroy(GtkWidget *object, gpointer user_data) {
gtk_main_quit();
}
gboolean on_channel_enable (GtkSwitch* self, gboolean state, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
if ( self == channel_enable_switch_ch1 ) {
command.cmd = SCOPE_ENABLE_CH1;
cur_config->channel_enable[0] = state;
} else if ( self == channel_enable_switch_ch2 ) {
command.cmd = SCOPE_ENABLE_CH2;
cur_config->channel_enable[1] = state;
} else
return FALSE;
command.val[0] = state;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
gtk_switch_set_state(self, state);
return TRUE;
}
void on_channel_coupling(GtkComboBox *widget, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
int val = atoi(gtk_combo_box_get_active_id(widget));
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
if ( widget == channel_coupling_combobox_ch1 ) {
command.cmd = SCOPE_COUPLING_CH1;
cur_config->channel_coupling[0] = val;
} else if ( widget == channel_coupling_combobox_ch2 ) {
command.cmd = SCOPE_COUPLING_CH2;
cur_config->channel_coupling[1] = val;
} else
return;
command.val[0] = val;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_channel_probe(GtkComboBox *widget, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
GtkComboBox* channel_scale_combobox;
int probe_val = atoi(gtk_combo_box_get_active_id(widget));
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
if ( widget == channel_probe_combobox_ch1 ) {
command.cmd = SCOPE_PROBEX_CH1;
channel_scale_combobox = channel_scale_combobox_ch1;
cur_config->channel_probe[0] = probe_val;
} else if ( widget == channel_probe_combobox_ch2 ) {
command.cmd = SCOPE_PROBEX_CH2;
channel_scale_combobox = channel_scale_combobox_ch2;
cur_config->channel_probe[1] = probe_val;
} else
return;
command.val[0] = probe_val;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
int scale_val = gtk_combo_box_get_active(channel_scale_combobox);
switch (probe_val) {
case 0: //1X
gtk_combo_box_set_model(channel_scale_combobox, GTK_TREE_MODEL(liststore_1x));
break;
case 1: //10X
gtk_combo_box_set_model(channel_scale_combobox, GTK_TREE_MODEL(liststore_10x));
break;
case 2: //100X
gtk_combo_box_set_model(channel_scale_combobox, GTK_TREE_MODEL(liststore_100x));
break;
case 3: //1000X
gtk_combo_box_set_model(channel_scale_combobox, GTK_TREE_MODEL(liststore_1000x));
break;
}
gtk_combo_box_set_active(channel_scale_combobox, scale_val);
}
void on_channel_scale(GtkComboBox *widget, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
GtkAdjustment* adj;
GtkTreeIter active;
float real_val;
uint8_t val = gtk_combo_box_get_active(widget);
int channel;
gtk_combo_box_get_active_iter(widget, &active);
gtk_tree_model_get(gtk_combo_box_get_model(widget), &active, 1, &real_val, -1);
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
if ( widget == channel_scale_combobox_ch1 ) {
command.cmd = SCOPE_SCALE_CH1;
adj = channel_offset_adj_ch1;
channel = 0;
cur_config->channel_scale[0] = val;
} else if ( widget == channel_scale_combobox_ch2 ) {
command.cmd = SCOPE_SCALE_CH2;
adj = channel_offset_adj_ch2;
channel = 1;
cur_config->channel_scale[1] = val;
} else
return;
command.val[0] = val;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
gtk_adjustment_set_lower(adj, -4*real_val);
gtk_adjustment_set_upper(adj, 4*real_val);
gtk_adjustment_set_step_increment(adj, 8*real_val/200);
gtk_adjustment_set_page_increment(adj, real_val);
if ( gtk_combo_box_get_active(trigger_source_combobox) == channel ) {
gtk_adjustment_set_lower(trigger_level_adj, -4*real_val);
gtk_adjustment_set_upper(trigger_level_adj, 4*real_val);
gtk_adjustment_set_step_increment(trigger_level_adj, 8*real_val/200);
gtk_adjustment_set_page_increment(trigger_level_adj, real_val);
}
}
void on_channel_offset(GtkSpinButton *spin_button, GtkScrollType scroll, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
GtkComboBox* channel_scale_combobox = NULL;
GtkAdjustment* channel_offset_adj = NULL;
double val = gtk_spin_button_get_value(spin_button);
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
if ( spin_button == channel_offset_spinbutton_ch1 ) {
command.cmd = SCOPE_OFFSET_CH1;
channel_scale_combobox = channel_scale_combobox_ch1;
channel_offset_adj = channel_offset_adj_ch1;
cur_config->channel_offset[0] = val;
} else if ( spin_button == channel_offset_spinbutton_ch2 ) {
command.cmd = SCOPE_OFFSET_CH2;
channel_scale_combobox = channel_scale_combobox_ch2;
channel_offset_adj = channel_offset_adj_ch2;
cur_config->channel_offset[1] = val;
} else {
return;
}
val-=gtk_adjustment_get_lower(channel_offset_adj);
val*=200;
val/=gtk_adjustment_get_upper(channel_offset_adj)-gtk_adjustment_get_lower(channel_offset_adj);
command.val[0] = (int)val;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
gboolean on_channel_bwlimit(GtkSwitch* self, gboolean state, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
if ( self == channel_bwlimit_switch_ch1 ) {
command.cmd = SCOPE_BWLIMIT_CH1;
cur_config->channel_bwlimit[0] = state;
} else if ( self == channel_bwlimit_switch_ch1 ) {
command.cmd = SCOPE_BWLIMIT_CH2;
cur_config->channel_bwlimit[1] = state;
} else
return FALSE;
command.val[0] = state;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
gtk_switch_set_state(self, state);
return TRUE;
}
void on_time_scale(GtkComboBox *widget, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
GtkTreeIter active;
float real_val;
uint8_t val = gtk_combo_box_get_active(widget);
gtk_combo_box_get_active_iter(widget, &active);
gtk_tree_model_get(gtk_combo_box_get_model(widget), &active, 1, &real_val, -1);
cur_config->time_scale = val;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
command.cmd = SCOPE_SCALE_TIME;
command.val[0] = val;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
gtk_adjustment_set_lower(time_offset_adj, -15*real_val);
gtk_adjustment_set_upper(time_offset_adj, 15*real_val);
gtk_adjustment_set_step_increment(time_offset_adj, real_val/25);
gtk_adjustment_set_page_increment(time_offset_adj, real_val);
}
void on_time_offset(GtkSpinButton *spin_button, GtkScrollType scroll, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
double val = -gtk_spin_button_get_value(spin_button);
cur_config->time_offset = -val;
val-=gtk_adjustment_get_lower(time_offset_adj)/15*6;
val*=15*2*25;
val/=gtk_adjustment_get_upper(time_offset_adj)-gtk_adjustment_get_lower(time_offset_adj);
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
command.cmd = SCOPE_OFFSET_TIME;
command.val32 = (int)roundf(val);
command.size[1] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_trigger_source (GtkComboBox *widget, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
GtkComboBox* channel_scale_combobox = NULL;
GtkTreeIter active;
float real_scale_val;
int channel = atoi(gtk_combo_box_get_active_id(widget));
cur_config->trigger_source = channel;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
command.cmd = SCOPE_TRIGGER_SOURCE;
command.val[0] = channel;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
if ( channel == 0 ) {
channel_scale_combobox = channel_scale_combobox_ch1;
} else if ( channel == 1 ) {
channel_scale_combobox = channel_scale_combobox_ch2;
} else {
return;
}
gtk_combo_box_get_active_iter(channel_scale_combobox, &active);
gtk_tree_model_get(gtk_combo_box_get_model(channel_scale_combobox), &active, 1, &real_scale_val, -1);
gtk_adjustment_set_lower(trigger_level_adj, -4*real_scale_val);
gtk_adjustment_set_upper(trigger_level_adj, 4*real_scale_val);
gtk_adjustment_set_step_increment(trigger_level_adj, 8*real_scale_val/200);
gtk_adjustment_set_page_increment(trigger_level_adj, real_scale_val);
}
void on_trigger_slope (GtkComboBox *widget, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
int val = atoi(gtk_combo_box_get_active_id(widget));
cur_config->trigger_slope = val;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
command.cmd = SCOPE_TRIGGER_SLOPE;
command.val[0] = val;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_trigger_mode (GtkComboBox *widget, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
int val = atoi(gtk_combo_box_get_active_id(widget));
cur_config->trigger_mode = val;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
command.cmd = SCOPE_TRIGGER_MODE;
command.val[0] = val;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_trigger_level(GtkSpinButton *spin_button, GtkScrollType scroll, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
double val = gtk_spin_button_get_value(spin_button);
cur_config->trigger_level = val;
val-=gtk_adjustment_get_lower(trigger_level_adj);
val*=200;
val/=gtk_adjustment_get_upper(trigger_level_adj)-gtk_adjustment_get_lower(trigger_level_adj);
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
command.cmd = SCOPE_TRIGGER_LEVEL;
command.val[0] = (int)val;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_start(GtkButton *button, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
command.cmd = SCOPE_START;
command.val[0] = 1;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_stop(GtkButton *button, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCOPE_SETTING;
command.cmd = SCOPE_START;
command.val[0] = 0;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_awg_type(GtkComboBox *widget, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
int val = atoi(gtk_combo_box_get_active_id(widget));
cur_config->awg_type = val;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_AWG_SETTING;
command.cmd = AWG_TYPE;
command.val[0] = val;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_awg_freq(GtkSpinButton *spin_button, GtkScrollType scroll, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
float val = gtk_spin_button_get_value_as_int(spin_button);
cur_config->awg_frequency = val;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_AWG_SETTING;
command.cmd = AWG_FREQ;
command.val32 = val;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_awg_amp(GtkSpinButton *spin_button, GtkScrollType scroll, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
float val = gtk_spin_button_get_value(spin_button);
cur_config->awg_amplitude = val;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_AWG_SETTING;
command.cmd = AWG_AMP;
command.size[0] = abs((val*1000));
command.size[1] = (val<0);
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_awg_offset(GtkSpinButton *spin_button, GtkScrollType scroll, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
float val = gtk_spin_button_get_value(spin_button);
cur_config->awg_offset = val;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_AWG_SETTING;
command.cmd = AWG_OFF;
command.size[0] = abs((val*1000));
command.size[1] = (val<0);
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_awg_square_duty(GtkSpinButton *spin_button, GtkScrollType scroll, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
float val = gtk_spin_button_get_value(spin_button);
cur_config->awg_squareduty = val;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_AWG_SETTING;
command.cmd = AWG_SQUARE_DUTY;
command.size[0] = val*100;
command.size[1] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_awg_ramp_duty(GtkSpinButton *spin_button, GtkScrollType scroll, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
float val = gtk_spin_button_get_value(spin_button);
cur_config->awg_rampduty = val;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_AWG_SETTING;
command.cmd = AWG_RAMP_DUTY;
command.size[0] = val*100;
command.size[1] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_awg_trap_duty(GtkSpinButton *spin_button, GtkScrollType scroll, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
float val_rise = gtk_spin_button_get_value(awg_trapriseduty_spinbutton);
float val_high = gtk_spin_button_get_value(awg_traphighduty_spinbutton);
float val_fall = gtk_spin_button_get_value(awg_trapfallduty_spinbutton);
if ( spin_button == awg_trapriseduty_spinbutton ) cur_config->awg_trapriseduty = val_rise;
else if ( spin_button == awg_traphighduty_spinbutton ) cur_config->awg_traphighduty = val_high;
else if ( spin_button == awg_trapfallduty_spinbutton ) cur_config->awg_trapfallduty = val_fall;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_AWG_SETTING;
command.cmd = AWG_TRAP_DUTY;
command.val[0] = val_rise*100;
command.val[1] = val_high*100;
command.val[2] = val_fall*100;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_awg_start(GtkButton *button, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_AWG_SETTING;
command.cmd = AWG_START;
command.val[0] = 1;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_awg_stop(GtkButton *button, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_AWG_SETTING;
command.cmd = AWG_START;
command.val[0] = 0;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_radio(GtkRadioButton *button, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
command.idx = 0x00;
command.boh = 0x0A;
command.func = FUNC_SCREEN_SETTING;
command.cmd = 0;
if ( button == scope_radio )
command.val[0] = SCREEN_VAL_SCOPE;
else if ( button == awg_radio )
command.val[0]= SCREEN_VAL_AWG;
else if ( button == dmm_radio )
command.val[0]= SCREEN_VAL_DMM;
command.val[1] = 0;
command.val[2] = 0;
command.val[3] = 0;
command.last = 0;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
}
void on_capture_button_clicked(GtkButton *button, gpointer user_data) {
g_print("%s\n", __func__);
Hantek_command_t command;
int num_channels = cur_config->channel_enable[0]+cur_config->channel_enable[1];
int num_samples = cur_config->num_samples*num_channels;
int count = 0;
while(count < num_samples) {
int length, actual_length;
command.idx = 0;
command.boh = 0x0A;
command.func = FUNC_SCOPE_CAPTURE;
command.cmd = SCOPE_START_RECV;
command.size[0] = num_samples/2;
command.size[1] = num_samples/2;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_OUT | 2, (unsigned char*)&command, sizeof(command), NULL, 0);
length = (num_samples-count)<64?(num_samples-count):64;
libusb_bulk_transfer(handle, LIBUSB_ENDPOINT_IN | 1, &(capture_buffer[count]), length, &actual_length, 0);
count+=actual_length;
}
gtk_widget_queue_draw(drawing_area);
}
gboolean draw_callback(GtkWidget *widget, cairo_t *cr, gpointer data) {
g_print("%s\n", __func__);
int width = gtk_widget_get_allocated_width(widget);
int height = gtk_widget_get_allocated_height(widget);
int num_channels = cur_config->channel_enable[0]+cur_config->channel_enable[1];
int num_samples = cur_config->num_samples*num_channels;
double dashes[] = { 5.0, 5.0 };
cairo_set_source_rgb(cr, 0, 0, 0);
cairo_paint(cr);
cairo_stroke(cr);
cairo_set_line_width(cr, 0.5);
cairo_set_dash(cr, dashes, 2, 0);
cairo_set_line_width(cr, 0.3);
cairo_set_source_rgb(cr, 0.9, 0.9, 0.9);
int num_sector = cur_config->num_samples/100;
for(int i=1;i<num_sector;i++) {
cairo_move_to(cr, i*width/num_sector, 0);
cairo_line_to(cr, i*width/num_sector, height);
}
for(int i=1;i<8;i++) {
cairo_move_to(cr, 0, i*height/8);
cairo_line_to(cr, width, i*height/8);
}
cairo_stroke(cr);
cairo_set_dash(cr, NULL, 0, 0);
cairo_set_line_width(cr, 0.5);
for (int ch=0;ch<2;ch++) {
if ( cur_config->channel_enable[ch] ) {
if ( ch == 0 )
cairo_set_source_rgb(cr, 1, 1, 0);
else
cairo_set_source_rgb(cr, 0, 1, 0);
cairo_move_to(cr, 0, height - ((*((uint8_t(*)[cur_config->num_samples][num_channels])capture_buffer))[0][ch]-29)*height/202);
for(int x=1;x<cur_config->num_samples;x++) cairo_line_to(cr, x*width/cur_config->num_samples, height - ((*((uint8_t(*)[cur_config->num_samples][num_channels])capture_buffer))[x][ch]-29)*height/202);
cairo_stroke(cr);
}
}
return FALSE;
}
void on_capture_samples(GtkSpinButton *spin_button, GtkScrollType scroll, gpointer user_data) {
cur_config->num_samples = gtk_spin_button_get_value_as_int(spin_button);
}