391 lines
10 KiB
C
391 lines
10 KiB
C
/*
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* Copyright 2012 Jared Boone
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* Copyright 2013 Benjamin Vernoux
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*
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* This file is part of HackRF.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "usb_api_transceiver.h"
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#include "hackrf_ui.h"
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#include <libopencm3/cm3/vector.h>
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#include "usb_bulk_buffer.h"
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#include "usb_api_cpld.h" // Remove when CPLD update is handled elsewhere
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#include <max2837.h>
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#include <rf_path.h>
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#include <tuning.h>
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#include <streaming.h>
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#include <usb.h>
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#include <usb_queue.h>
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#include <stddef.h>
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#include <string.h>
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#include "usb_endpoint.h"
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#include "usb_api_sweep.h"
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typedef struct {
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uint32_t freq_mhz;
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uint32_t freq_hz;
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} set_freq_params_t;
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set_freq_params_t set_freq_params;
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struct set_freq_explicit_params {
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uint64_t if_freq_hz; /* intermediate frequency */
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uint64_t lo_freq_hz; /* front-end local oscillator frequency */
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uint8_t path; /* image rejection filter path */
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};
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struct set_freq_explicit_params explicit_params;
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typedef struct {
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uint32_t freq_hz;
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uint32_t divider;
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} set_sample_r_params_t;
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set_sample_r_params_t set_sample_r_params;
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usb_request_status_t usb_vendor_request_set_baseband_filter_bandwidth(
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usb_endpoint_t* const endpoint,
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const usb_transfer_stage_t stage
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) {
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if( stage == USB_TRANSFER_STAGE_SETUP ) {
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const uint32_t bandwidth = (endpoint->setup.index << 16) | endpoint->setup.value;
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if( baseband_filter_bandwidth_set(bandwidth) ) {
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usb_transfer_schedule_ack(endpoint->in);
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return USB_REQUEST_STATUS_OK;
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}
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return USB_REQUEST_STATUS_STALL;
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} else {
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return USB_REQUEST_STATUS_OK;
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}
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}
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usb_request_status_t usb_vendor_request_set_freq(
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usb_endpoint_t* const endpoint,
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const usb_transfer_stage_t stage)
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{
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if (stage == USB_TRANSFER_STAGE_SETUP)
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{
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usb_transfer_schedule_block(endpoint->out, &set_freq_params, sizeof(set_freq_params_t),
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NULL, NULL);
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return USB_REQUEST_STATUS_OK;
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} else if (stage == USB_TRANSFER_STAGE_DATA)
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{
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const uint64_t freq = set_freq_params.freq_mhz * 1000000ULL + set_freq_params.freq_hz;
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if( set_freq(freq) )
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{
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usb_transfer_schedule_ack(endpoint->in);
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return USB_REQUEST_STATUS_OK;
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}
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return USB_REQUEST_STATUS_STALL;
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} else
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{
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return USB_REQUEST_STATUS_OK;
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}
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}
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usb_request_status_t usb_vendor_request_set_sample_rate_frac(
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usb_endpoint_t* const endpoint,
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const usb_transfer_stage_t stage)
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{
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if (stage == USB_TRANSFER_STAGE_SETUP)
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{
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usb_transfer_schedule_block(endpoint->out, &set_sample_r_params, sizeof(set_sample_r_params_t),
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NULL, NULL);
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return USB_REQUEST_STATUS_OK;
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} else if (stage == USB_TRANSFER_STAGE_DATA)
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{
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if( sample_rate_frac_set(set_sample_r_params.freq_hz * 2, set_sample_r_params.divider ) )
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{
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usb_transfer_schedule_ack(endpoint->in);
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return USB_REQUEST_STATUS_OK;
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}
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return USB_REQUEST_STATUS_STALL;
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} else
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{
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return USB_REQUEST_STATUS_OK;
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}
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}
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usb_request_status_t usb_vendor_request_set_amp_enable(
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usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage)
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{
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if (stage == USB_TRANSFER_STAGE_SETUP) {
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switch (endpoint->setup.value) {
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case 0:
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rf_path_set_lna(&rf_path, 0);
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usb_transfer_schedule_ack(endpoint->in);
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return USB_REQUEST_STATUS_OK;
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case 1:
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rf_path_set_lna(&rf_path, 1);
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usb_transfer_schedule_ack(endpoint->in);
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return USB_REQUEST_STATUS_OK;
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default:
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return USB_REQUEST_STATUS_STALL;
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}
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} else {
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return USB_REQUEST_STATUS_OK;
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}
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}
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usb_request_status_t usb_vendor_request_set_lna_gain(
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usb_endpoint_t* const endpoint,
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const usb_transfer_stage_t stage)
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{
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if( stage == USB_TRANSFER_STAGE_SETUP ) {
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const uint8_t value = max2837_set_lna_gain(&max2837, endpoint->setup.index);
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endpoint->buffer[0] = value;
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if(value) hackrf_ui()->set_bb_lna_gain(endpoint->setup.index);
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usb_transfer_schedule_block(endpoint->in, &endpoint->buffer, 1,
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NULL, NULL);
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usb_transfer_schedule_ack(endpoint->out);
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return USB_REQUEST_STATUS_OK;
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}
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return USB_REQUEST_STATUS_OK;
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}
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usb_request_status_t usb_vendor_request_set_vga_gain(
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usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage)
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{
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if( stage == USB_TRANSFER_STAGE_SETUP ) {
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const uint8_t value = max2837_set_vga_gain(&max2837, endpoint->setup.index);
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endpoint->buffer[0] = value;
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if(value) hackrf_ui()->set_bb_vga_gain(endpoint->setup.index);
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usb_transfer_schedule_block(endpoint->in, &endpoint->buffer, 1,
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NULL, NULL);
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usb_transfer_schedule_ack(endpoint->out);
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return USB_REQUEST_STATUS_OK;
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}
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return USB_REQUEST_STATUS_OK;
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}
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usb_request_status_t usb_vendor_request_set_txvga_gain(
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usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage)
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{
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if( stage == USB_TRANSFER_STAGE_SETUP ) {
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const uint8_t value = max2837_set_txvga_gain(&max2837, endpoint->setup.index);
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endpoint->buffer[0] = value;
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if(value) hackrf_ui()->set_bb_tx_vga_gain(endpoint->setup.index);
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usb_transfer_schedule_block(endpoint->in, &endpoint->buffer, 1,
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NULL, NULL);
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usb_transfer_schedule_ack(endpoint->out);
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return USB_REQUEST_STATUS_OK;
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}
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return USB_REQUEST_STATUS_OK;
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}
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usb_request_status_t usb_vendor_request_set_antenna_enable(
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usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage)
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{
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if (stage == USB_TRANSFER_STAGE_SETUP) {
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switch (endpoint->setup.value) {
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case 0:
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rf_path_set_antenna(&rf_path, 0);
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usb_transfer_schedule_ack(endpoint->in);
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return USB_REQUEST_STATUS_OK;
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case 1:
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rf_path_set_antenna(&rf_path, 1);
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usb_transfer_schedule_ack(endpoint->in);
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return USB_REQUEST_STATUS_OK;
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default:
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return USB_REQUEST_STATUS_STALL;
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}
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} else {
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return USB_REQUEST_STATUS_OK;
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}
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}
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usb_request_status_t usb_vendor_request_set_freq_explicit(
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usb_endpoint_t* const endpoint,
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const usb_transfer_stage_t stage)
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{
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if (stage == USB_TRANSFER_STAGE_SETUP) {
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usb_transfer_schedule_block(endpoint->out, &explicit_params,
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sizeof(struct set_freq_explicit_params), NULL, NULL);
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return USB_REQUEST_STATUS_OK;
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} else if (stage == USB_TRANSFER_STAGE_DATA) {
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if (set_freq_explicit(explicit_params.if_freq_hz,
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explicit_params.lo_freq_hz, explicit_params.path)) {
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usb_transfer_schedule_ack(endpoint->in);
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return USB_REQUEST_STATUS_OK;
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}
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return USB_REQUEST_STATUS_STALL;
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} else {
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return USB_REQUEST_STATUS_OK;
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}
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}
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static volatile transceiver_mode_t _transceiver_mode = TRANSCEIVER_MODE_OFF;
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static volatile hw_sync_mode_t _hw_sync_mode = HW_SYNC_MODE_OFF;
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void set_hw_sync_mode(const hw_sync_mode_t new_hw_sync_mode) {
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_hw_sync_mode = new_hw_sync_mode;
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}
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transceiver_mode_t transceiver_mode(void) {
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return _transceiver_mode;
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}
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void set_transceiver_mode(const transceiver_mode_t new_transceiver_mode) {
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baseband_streaming_disable(&sgpio_config);
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usb_endpoint_flush(&usb_endpoint_bulk_in);
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usb_endpoint_flush(&usb_endpoint_bulk_out);
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_transceiver_mode = new_transceiver_mode;
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switch (_transceiver_mode) {
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case TRANSCEIVER_MODE_RX_SWEEP:
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case TRANSCEIVER_MODE_RX:
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led_off(LED3);
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led_on(LED2);
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rf_path_set_direction(&rf_path, RF_PATH_DIRECTION_RX);
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usb_bulk_buffer_tx = false;
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break;
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case TRANSCEIVER_MODE_TX:
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led_off(LED2);
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led_on(LED3);
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rf_path_set_direction(&rf_path, RF_PATH_DIRECTION_TX);
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usb_bulk_buffer_tx = true;
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break;
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case TRANSCEIVER_MODE_OFF:
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default:
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led_off(LED2);
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led_off(LED3);
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rf_path_set_direction(&rf_path, RF_PATH_DIRECTION_OFF);
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usb_bulk_buffer_tx = false;
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}
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if( _transceiver_mode != TRANSCEIVER_MODE_OFF ) {
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activate_best_clock_source();
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hw_sync_enable(_hw_sync_mode);
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usb_bulk_buffer_offset = 0;
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}
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}
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usb_request_status_t usb_vendor_request_set_transceiver_mode(
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usb_endpoint_t* const endpoint,
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const usb_transfer_stage_t stage)
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{
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if( stage == USB_TRANSFER_STAGE_SETUP ) {
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switch( endpoint->setup.value ) {
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case TRANSCEIVER_MODE_OFF:
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case TRANSCEIVER_MODE_RX:
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case TRANSCEIVER_MODE_TX:
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case TRANSCEIVER_MODE_RX_SWEEP:
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set_transceiver_mode(endpoint->setup.value);
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usb_transfer_schedule_ack(endpoint->in);
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return USB_REQUEST_STATUS_OK;
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case TRANSCEIVER_MODE_CPLD_UPDATE:
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usb_transfer_schedule_ack(endpoint->in);
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return USB_REQUEST_STATUS_OK;
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default:
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return USB_REQUEST_STATUS_STALL;
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}
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} else {
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return USB_REQUEST_STATUS_OK;
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}
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}
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usb_request_status_t usb_vendor_request_set_hw_sync_mode(
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usb_endpoint_t* const endpoint,
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const usb_transfer_stage_t stage)
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{
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if( stage == USB_TRANSFER_STAGE_SETUP ) {
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set_hw_sync_mode(endpoint->setup.value);
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usb_transfer_schedule_ack(endpoint->in);
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return USB_REQUEST_STATUS_OK;
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} else {
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return USB_REQUEST_STATUS_OK;
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}
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}
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void rx_mode(void) {
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unsigned int phase = 1;
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baseband_streaming_enable(&sgpio_config);
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while (TRANSCEIVER_MODE_RX == _transceiver_mode) {
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// Set up IN transfer of buffer 0.
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if (16384 <= usb_bulk_buffer_offset && 1 == phase) {
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0x0000],
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0x4000,
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NULL, NULL
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);
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phase = 0;
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}
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// Set up IN transfer of buffer 1.
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if (16384 > usb_bulk_buffer_offset && 0 == phase) {
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0x4000],
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0x4000,
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NULL, NULL
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);
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phase = 1;
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}
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}
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}
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void tx_mode(void) {
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unsigned int phase = 1;
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memset(&usb_bulk_buffer[0x0000], 0, 0x8000);
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// Set up OUT transfer of buffer 1.
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_out,
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&usb_bulk_buffer[0x4000],
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0x4000,
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NULL, NULL
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);
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// Start transmitting zeros while the host fills buffer 1.
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baseband_streaming_enable(&sgpio_config);
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while (TRANSCEIVER_MODE_TX == _transceiver_mode) {
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// Set up OUT transfer of buffer 0.
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if (16384 <= usb_bulk_buffer_offset && 1 == phase) {
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_out,
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&usb_bulk_buffer[0x0000],
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0x4000,
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NULL, NULL
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);
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phase = 0;
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}
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// Set up OUT transfer of buffer 1.
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if (16384 > usb_bulk_buffer_offset && 0 == phase) {
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_out,
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&usb_bulk_buffer[0x4000],
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0x4000,
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NULL, NULL
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);
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phase = 1;
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}
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}
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}
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