mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-25 07:19:28 -05:00
111 lines
3.4 KiB
C
111 lines
3.4 KiB
C
/*
|
|
* Copyright (C) 2023 Bernd Herzog
|
|
* Copyright (C) 2024 HTotoo
|
|
*
|
|
* 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 "i2c_device_to_host.h"
|
|
#include "i2cdevmanager_c_api.h"
|
|
#include <string.h>
|
|
|
|
I2CShellDriver I2CD1;
|
|
|
|
// pp to i2c data tx
|
|
static void onotifyi2c(GenericQueue* qp) {
|
|
I2CShellDriver* sdp = chQGetLink(qp);
|
|
uint8_t buff[I2CSHELL_BUFFERS_SIZE];
|
|
int n = chOQGetFullI(&sdp->oqueue);
|
|
if (n > I2CSHELL_BUFFERS_SIZE) n = I2CSHELL_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 = oNofityI2cFromShell(&buff[0], n); // i2c_write
|
|
if (ret == -1)
|
|
chThdSleepMilliseconds(1);
|
|
} while (ret == -1);
|
|
chSysLock();
|
|
}
|
|
}
|
|
|
|
static size_t write(void* ip, const uint8_t* bp, size_t n) {
|
|
return chOQWriteTimeout(&((I2CShellDriver*)ip)->oqueue, bp,
|
|
n, TIME_INFINITE);
|
|
}
|
|
|
|
static size_t read(void* ip, uint8_t* bp, size_t n) {
|
|
return chIQReadTimeout(&((I2CShellDriver*)ip)->iqueue, bp,
|
|
n, TIME_INFINITE);
|
|
}
|
|
|
|
static msg_t put(void* ip, uint8_t b) {
|
|
return chOQPutTimeout(&((I2CShellDriver*)ip)->oqueue, b, TIME_INFINITE);
|
|
}
|
|
|
|
static msg_t get(void* ip) {
|
|
return chIQGetTimeout(&((I2CShellDriver*)ip)->iqueue, TIME_INFINITE);
|
|
}
|
|
|
|
static msg_t putt(void* ip, uint8_t b, systime_t timeout) {
|
|
return chOQPutTimeout(&((I2CShellDriver*)ip)->oqueue, b, timeout);
|
|
}
|
|
|
|
static msg_t gett(void* ip, systime_t timeout) {
|
|
return chIQGetTimeout(&((I2CShellDriver*)ip)->iqueue, timeout);
|
|
}
|
|
|
|
static size_t writet(void* ip, const uint8_t* bp, size_t n, systime_t time) {
|
|
return chOQWriteTimeout(&((I2CShellDriver*)ip)->oqueue, bp, n, time);
|
|
}
|
|
|
|
static size_t readt(void* ip, uint8_t* bp, size_t n, systime_t time) {
|
|
return chIQReadTimeout(&((I2CShellDriver*)ip)->iqueue, bp, n, time);
|
|
}
|
|
|
|
static const struct I2CShellDriverVMT vmt = {
|
|
write, read, put, get,
|
|
putt, gett, writet, readt};
|
|
|
|
void init_i2c_shell_driver(I2CShellDriver* sdp) {
|
|
sdp->vmt = &vmt;
|
|
chIQInit(&sdp->iqueue, sdp->ib, I2CSHELL_BUFFERS_SIZE, NULL, sdp);
|
|
chOQInit(&sdp->oqueue, sdp->ob, I2CSHELL_BUFFERS_SIZE, onotifyi2c, sdp);
|
|
}
|
|
|
|
// i2c->pp data rx
|
|
void complete_i2chost_to_device_transfer(uint8_t* data, size_t length) {
|
|
chSysLock();
|
|
for (unsigned int i = 0; i < length; i++) {
|
|
msg_t ret;
|
|
do {
|
|
ret = chIQPutI(&I2CD1.iqueue, data[i]);
|
|
if (ret == Q_FULL) {
|
|
chSysUnlock();
|
|
chThdSleepMilliseconds(1); // wait for shell thread when buffer is full
|
|
chSysLock();
|
|
}
|
|
|
|
} while (ret == Q_FULL);
|
|
}
|
|
chSysUnlock();
|
|
}
|