hackrf/firmware/hackrf_usb/usb_api_scan.c
2016-12-27 21:08:12 +00:00

54 lines
1.5 KiB
C

/*
* Copyright 2016 Mike Walters, Dominic Spill
*
* This file is part of HackRF.
*
* 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 2, 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "usb_api_scan.h"
#include "usb_queue.h"
#include <stddef.h>
//#include <hackrf_core.h>
#include "tuning.h"
volatile bool scan_mode = false;
static uint64_t scan_freq;
static uint64_t scan_freq_min;
static uint64_t scan_freq_max;
static uint64_t scan_freq_step;
usb_request_status_t usb_vendor_request_init_scan(
usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage)
{
if (stage == USB_TRANSFER_STAGE_SETUP) {
// DGS set scan frequencies here
scan_freq = scan_freq_min;
set_freq(scan_freq);
scan_mode = true;
usb_transfer_schedule_ack(endpoint->in);
}
return USB_REQUEST_STATUS_OK;
}
void scan_callback(void) {
scan_freq += scan_freq_step;
if (scan_freq > scan_freq_max) {
scan_freq = scan_freq_min;
}
set_freq(scan_freq);
}