mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
19eb6b44d5
* fixed usb serial not working after reconnect * added restart for sd over usb disconnect * improved usb serial fix * fixed formatting
131 lines
3.7 KiB
C++
131 lines
3.7 KiB
C++
/*
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* Copyright (C) 2023 Bernd Herzog
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*
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* This file is part of PortaPack.
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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_serial_host_to_device.hpp"
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#include "event_m0.hpp"
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#include "usb_serial_device_to_host.h"
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extern "C" {
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#include <common/usb.h>
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#include <hackrf_usb/usb_device.h>
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#include <hackrf_usb/usb_endpoint.h>
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}
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#include <queue>
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#include <vector>
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static Thread* thread_usb_event = NULL;
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struct usb_bulk_buffer_t {
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uint8_t* data;
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size_t length;
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bool completed;
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};
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std::queue<usb_bulk_buffer_t*> usb_bulk_buffer_queue;
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std::queue<usb_bulk_buffer_t*> usb_bulk_buffer_spare;
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void serial_bulk_transfer_complete(void* user_data, unsigned int bytes_transferred) {
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usb_bulk_buffer_t* transfer_data = (usb_bulk_buffer_t*)user_data;
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transfer_data->length = bytes_transferred;
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transfer_data->completed = true;
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}
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void init_host_to_device() {
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thread_usb_event = chThdSelf();
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}
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void reset_transfer_queues() {
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while (usb_bulk_buffer_queue.empty() == false)
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usb_bulk_buffer_queue.pop();
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while (usb_bulk_buffer_spare.empty() == false)
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usb_bulk_buffer_spare.pop();
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}
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void schedule_host_to_device_transfer() {
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if (usb_bulk_buffer_queue.size() >= 8)
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return;
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static usb_bulk_buffer_t* transfer_data = nullptr;
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int ret;
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do {
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if (transfer_data == nullptr) {
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if (usb_bulk_buffer_spare.empty() == false) {
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transfer_data = usb_bulk_buffer_spare.front();
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transfer_data->length = 0;
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transfer_data->completed = false;
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usb_bulk_buffer_spare.pop();
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} else {
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transfer_data = new usb_bulk_buffer_t{
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.data = new uint8_t[USB_BULK_BUFFER_SIZE],
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.length = 0,
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.completed = false};
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}
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}
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ret = usb_transfer_schedule(
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&usb_endpoint_bulk_out,
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transfer_data->data,
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USB_BULK_BUFFER_SIZE,
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serial_bulk_transfer_complete,
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transfer_data);
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if (ret != -1) {
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usb_bulk_buffer_queue.push(transfer_data);
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transfer_data = nullptr;
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if (usb_bulk_buffer_queue.size() >= 8)
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return;
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}
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} while (ret != -1);
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}
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void complete_host_to_device_transfer() {
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for (; !usb_bulk_buffer_queue.empty(); usb_bulk_buffer_queue.pop()) {
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usb_bulk_buffer_t* transfer_data = usb_bulk_buffer_queue.front();
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while (transfer_data->completed == false)
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return;
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chSysLock();
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for (unsigned int i = 0; i < transfer_data->length; i++) {
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msg_t ret;
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do {
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ret = chIQPutI(&SUSBD1.iqueue, transfer_data->data[i]);
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if (ret == Q_FULL) {
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chSysUnlock();
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chThdSleepMilliseconds(1); // wait for shell thread when buffer is full
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chSysLock();
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}
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} while (ret == Q_FULL);
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}
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chSysUnlock();
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usb_bulk_buffer_spare.push(transfer_data);
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}
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}
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