mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-15 18:54:25 -05:00
153 lines
4.5 KiB
C
153 lines
4.5 KiB
C
/*
|
|
* Copyright (C) 2023 Bernd Herzog
|
|
*
|
|
* This file is part of PortaPack.
|
|
*
|
|
* 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_serial_device_to_host.h"
|
|
|
|
#include "usb_serial_endpoints.h"
|
|
|
|
#pragma GCC diagnostic push
|
|
// external code, so ignore warnings
|
|
#pragma GCC diagnostic ignored "-Wstrict-prototypes"
|
|
|
|
#include <common/usb.h>
|
|
#include <common/usb_request.h>
|
|
#include <common/usb_standard_request.h>
|
|
#include <hackrf_usb/usb_device.h>
|
|
#include <hackrf_usb/usb_endpoint.h>
|
|
|
|
#pragma GCC diagnostic pop
|
|
|
|
#include <usb_request.h>
|
|
#include <string.h>
|
|
|
|
SerialUSBDriver SUSBD1;
|
|
|
|
static void onotify(GenericQueue* qp) {
|
|
SerialUSBDriver* sdp = chQGetLink(qp);
|
|
uint8_t buff[USBSERIAL_BUFFERS_SIZE];
|
|
int n = chOQGetFullI(&sdp->oqueue);
|
|
if (n > USBSERIAL_BUFFERS_SIZE) n = USBSERIAL_BUFFERS_SIZE; // don't overflow
|
|
if (n > 0) {
|
|
for (int i = 0; i < n; i++) {
|
|
buff[i] = chOQGetI(&sdp->oqueue);
|
|
}
|
|
|
|
int ret;
|
|
chSysUnlock();
|
|
do {
|
|
ret = usb_transfer_schedule(
|
|
&usb_endpoint_bulk_in,
|
|
&buff[0],
|
|
n,
|
|
NULL,
|
|
NULL);
|
|
|
|
if (ret == -1)
|
|
chThdSleepMilliseconds(1);
|
|
|
|
} while (ret == -1);
|
|
chSysLock();
|
|
}
|
|
}
|
|
|
|
static size_t write(void* ip, const uint8_t* bp, size_t n) {
|
|
return chOQWriteTimeout(&((SerialUSBDriver*)ip)->oqueue, bp,
|
|
n, TIME_INFINITE);
|
|
}
|
|
|
|
static size_t read(void* ip, uint8_t* bp, size_t n) {
|
|
return chIQReadTimeout(&((SerialUSBDriver*)ip)->iqueue, bp,
|
|
n, TIME_INFINITE);
|
|
}
|
|
|
|
static msg_t put(void* ip, uint8_t b) {
|
|
return chOQPutTimeout(&((SerialUSBDriver*)ip)->oqueue, b, TIME_INFINITE);
|
|
}
|
|
|
|
static msg_t get(void* ip) {
|
|
return chIQGetTimeout(&((SerialUSBDriver*)ip)->iqueue, TIME_INFINITE);
|
|
}
|
|
|
|
static msg_t putt(void* ip, uint8_t b, systime_t timeout) {
|
|
return chOQPutTimeout(&((SerialUSBDriver*)ip)->oqueue, b, timeout);
|
|
}
|
|
|
|
static msg_t gett(void* ip, systime_t timeout) {
|
|
return chIQGetTimeout(&((SerialUSBDriver*)ip)->iqueue, timeout);
|
|
}
|
|
|
|
static size_t writet(void* ip, const uint8_t* bp, size_t n, systime_t time) {
|
|
return chOQWriteTimeout(&((SerialUSBDriver*)ip)->oqueue, bp, n, time);
|
|
}
|
|
|
|
static size_t readt(void* ip, uint8_t* bp, size_t n, systime_t time) {
|
|
return chIQReadTimeout(&((SerialUSBDriver*)ip)->iqueue, bp, n, time);
|
|
}
|
|
|
|
static const struct SerialUSBDriverVMT vmt = {
|
|
write, read, put, get,
|
|
putt, gett, writet, readt};
|
|
|
|
void init_serial_usb_driver(SerialUSBDriver* sdp) {
|
|
sdp->vmt = &vmt;
|
|
chIQInit(&sdp->iqueue, sdp->ib, USBSERIAL_BUFFERS_SIZE, NULL, sdp);
|
|
chOQInit(&sdp->oqueue, sdp->ob, USBSERIAL_BUFFERS_SIZE, onotify, sdp);
|
|
}
|
|
|
|
// queue handler from ch
|
|
static msg_t qwait(GenericQueue* qp, systime_t time) {
|
|
if (TIME_IMMEDIATE == time)
|
|
return Q_TIMEOUT;
|
|
currp->p_u.wtobjp = qp;
|
|
queue_insert(currp, &qp->q_waiting);
|
|
return chSchGoSleepTimeoutS(THD_STATE_WTQUEUE, time);
|
|
}
|
|
|
|
// This function fills the output buffer, and sends all data in 1 packet
|
|
size_t fillOBuffer(OutputQueue* oqp, const uint8_t* bp, size_t n) {
|
|
qnotify_t nfy = oqp->q_notify;
|
|
size_t w = 0;
|
|
|
|
chDbgCheck(n > 0, "chOQWriteTimeout");
|
|
chSysLock();
|
|
while (TRUE) {
|
|
while (chOQIsFullI(oqp)) {
|
|
if (qwait((GenericQueue*)oqp, TIME_INFINITE) != Q_OK) {
|
|
chSysUnlock();
|
|
return w;
|
|
}
|
|
}
|
|
while (!chOQIsFullI(oqp) && n > 0) {
|
|
oqp->q_counter--;
|
|
*oqp->q_wrptr++ = *bp++;
|
|
if (oqp->q_wrptr >= oqp->q_top)
|
|
oqp->q_wrptr = oqp->q_buffer;
|
|
w++;
|
|
--n;
|
|
}
|
|
if (nfy) nfy(oqp);
|
|
|
|
chSysUnlock(); /* Gives a preemption chance in a controlled point.*/
|
|
if (n == 0) return w;
|
|
chSysLock();
|
|
}
|
|
}
|