void DS3_ScanPads()
{
if (!ss_is_connected(&first))
{
psPressed = false;
ss_initialize(&first);
if (ss_open(&first) > 0)
{
ss_start_reading(&first);
ss_set_led(&first, 0);
}
}
else if (first.pad.buttons.PS && !psPressed)
{
psPressed = true;
ss_set_led(&first, 1);
}
}
int ss_open(struct ss_device *dev)
{
usb_device_entry dev_entry[8];
unsigned char dev_count;
if (!_ss_inited)
return -1;
if (dev->connected)
ss_close(dev);
if (USB_GetDeviceList(dev_entry, 8, USB_CLASS_HID, &dev_count) < 0)
return -2;
int i;
for (i = 0; i < dev_count; ++i)
{
if ((dev_entry[i].vid == SS_VENDOR_ID) &&
(dev_entry[i].pid == SS_PRODUCT_ID))
{
if (!_ss_dev_id_list_exists(dev_entry[i].device_id))
{
if (USB_OpenDevice(dev_entry[i].device_id,
SS_VENDOR_ID, SS_PRODUCT_ID, &dev->fd) < 0)
return -3;
dev->device_id = dev_entry[i].device_id;
dev->connected = 1;
dev->enabled = 0;
dev->reading = 0;
_ss_set_operational(dev);
ss_set_led(dev, _ss_dev_number);
_ss_dev_id_list_add(dev_entry[i].device_id);
_ss_dev_number++;
USB_DeviceRemovalNotifyAsync(dev->fd, &_ss_removal_cb, dev);
return 1;
}
}
}
return -4;
}
int ss_is_ready(struct ss_device *dev) {
/* if a device is detected, try to connect it. */
if (_dev_detected) {
/* As we are processing the detected device, we turn off the flag. */
_dev_detected = 0;
int i;
for(i = 0; i < _slots; i++) {
if (_ss_dev_list[i].device_id < 0) { /* found an empty slot? */
if (_ss_open(&_ss_dev_list[i]) > 0) {
ss_set_led(&_ss_dev_list[i], i+1);
}
break;
}
}
}
if (dev->connected && dev->enabled)
return 1;
return 0;
}