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/*
* Copyright 2012 Jared Boone
* Copyright 2013 Benjamin Vernoux
*
* 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_transceiver.h"
#include <max2837.h>
#include <rf_path.h>
#include <tuning.h>
#include <usb.h>
#include <usb_queue.h>
#include <stddef.h>
#include "usb_endpoint.h"
typedef struct {
uint32_t freq_mhz;
uint32_t freq_hz;
} set_freq_params_t;
set_freq_params_t set_freq_params;
struct set_freq_explicit_params {
uint64_t if_freq_hz; /* intermediate frequency */
uint64_t lo_freq_hz; /* front-end local oscillator frequency */
uint8_t path; /* image rejection filter path */
};
struct set_freq_explicit_params explicit_params;
typedef struct {
uint32_t freq_hz;
uint32_t divider;
} set_sample_r_params_t;
set_sample_r_params_t set_sample_r_params;
usb_request_status_t usb_vendor_request_set_baseband_filter_bandwidth(
usb_endpoint_t* const endpoint,
const usb_transfer_stage_t stage
) {
if( stage == USB_TRANSFER_STAGE_SETUP ) {
const uint32_t bandwidth = (endpoint->setup.index << 16) | endpoint->setup.value;
if( baseband_filter_bandwidth_set(bandwidth) ) {
usb_transfer_schedule_ack(endpoint->in);
return USB_REQUEST_STATUS_OK;
}
return USB_REQUEST_STATUS_STALL;
} else {
return USB_REQUEST_STATUS_OK;
}
}
usb_request_status_t usb_vendor_request_set_freq(
usb_endpoint_t* const endpoint,
const usb_transfer_stage_t stage)
{
if (stage == USB_TRANSFER_STAGE_SETUP)
{
usb_transfer_schedule_block(endpoint->out, &set_freq_params, sizeof(set_freq_params_t),
NULL, NULL);
return USB_REQUEST_STATUS_OK;
} else if (stage == USB_TRANSFER_STAGE_DATA)
{
const uint64_t freq = set_freq_params.freq_mhz * 1000000ULL + set_freq_params.freq_hz;
if( set_freq(freq) )
{
usb_transfer_schedule_ack(endpoint->in);
return USB_REQUEST_STATUS_OK;
}
return USB_REQUEST_STATUS_STALL;
} else
{
return USB_REQUEST_STATUS_OK;
}
}
usb_request_status_t usb_vendor_request_set_sample_rate_frac(
usb_endpoint_t* const endpoint,
const usb_transfer_stage_t stage)
{
if (stage == USB_TRANSFER_STAGE_SETUP)
{
usb_transfer_schedule_block(endpoint->out, &set_sample_r_params, sizeof(set_sample_r_params_t),
NULL, NULL);
return USB_REQUEST_STATUS_OK;
} else if (stage == USB_TRANSFER_STAGE_DATA)
{
if( sample_rate_frac_set(set_sample_r_params.freq_hz * 2, set_sample_r_params.divider ) )
{
usb_transfer_schedule_ack(endpoint->in);
return USB_REQUEST_STATUS_OK;
}
return USB_REQUEST_STATUS_STALL;
} else
{
return USB_REQUEST_STATUS_OK;
}
}
usb_request_status_t usb_vendor_request_set_amp_enable(
usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage)
{
if (stage == USB_TRANSFER_STAGE_SETUP) {
switch (endpoint->setup.value) {
case 0:
rf_path_set_lna(&rf_path, 0);
usb_transfer_schedule_ack(endpoint->in);
return USB_REQUEST_STATUS_OK;
case 1:
rf_path_set_lna(&rf_path, 1);
usb_transfer_schedule_ack(endpoint->in);
return USB_REQUEST_STATUS_OK;
default:
return USB_REQUEST_STATUS_STALL;
}
} else {
return USB_REQUEST_STATUS_OK;
}
}
usb_request_status_t usb_vendor_request_set_lna_gain(
usb_endpoint_t* const endpoint,
const usb_transfer_stage_t stage)
{
if( stage == USB_TRANSFER_STAGE_SETUP ) {
const uint8_t value = max2837_set_lna_gain(&max2837, endpoint->setup.index);
endpoint->buffer[0] = value;
usb_transfer_schedule_block(endpoint->in, &endpoint->buffer, 1,
NULL, NULL);
usb_transfer_schedule_ack(endpoint->out);
return USB_REQUEST_STATUS_OK;
}
return USB_REQUEST_STATUS_OK;
}
usb_request_status_t usb_vendor_request_set_vga_gain(
usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage)
{
if( stage == USB_TRANSFER_STAGE_SETUP ) {
const uint8_t value = max2837_set_vga_gain(&max2837, endpoint->setup.index);
endpoint->buffer[0] = value;
usb_transfer_schedule_block(endpoint->in, &endpoint->buffer, 1,
NULL, NULL);
usb_transfer_schedule_ack(endpoint->out);
return USB_REQUEST_STATUS_OK;
}
return USB_REQUEST_STATUS_OK;
}
usb_request_status_t usb_vendor_request_set_txvga_gain(
usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage)
{
if( stage == USB_TRANSFER_STAGE_SETUP ) {
const uint8_t value = max2837_set_txvga_gain(&max2837, endpoint->setup.index);
endpoint->buffer[0] = value;
usb_transfer_schedule_block(endpoint->in, &endpoint->buffer, 1,
NULL, NULL);
usb_transfer_schedule_ack(endpoint->out);
return USB_REQUEST_STATUS_OK;
}
return USB_REQUEST_STATUS_OK;
}
usb_request_status_t usb_vendor_request_set_antenna_enable(
usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage)
{
if (stage == USB_TRANSFER_STAGE_SETUP) {
switch (endpoint->setup.value) {
case 0:
rf_path_set_antenna(&rf_path, 0);
usb_transfer_schedule_ack(endpoint->in);
return USB_REQUEST_STATUS_OK;
case 1:
rf_path_set_antenna(&rf_path, 1);
usb_transfer_schedule_ack(endpoint->in);
return USB_REQUEST_STATUS_OK;
default:
return USB_REQUEST_STATUS_STALL;
}
} else {
return USB_REQUEST_STATUS_OK;
}
}
usb_request_status_t usb_vendor_request_set_freq_explicit(
usb_endpoint_t* const endpoint,
const usb_transfer_stage_t stage)
{
if (stage == USB_TRANSFER_STAGE_SETUP) {
usb_transfer_schedule_block(endpoint->out, &explicit_params,
sizeof(struct set_freq_explicit_params), NULL, NULL);
return USB_REQUEST_STATUS_OK;
} else if (stage == USB_TRANSFER_STAGE_DATA) {
if (set_freq_explicit(explicit_params.if_freq_hz,
explicit_params.lo_freq_hz, explicit_params.path)) {
usb_transfer_schedule_ack(endpoint->in);
return USB_REQUEST_STATUS_OK;
}
return USB_REQUEST_STATUS_STALL;
} else {
return USB_REQUEST_STATUS_OK;
}
}
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