mirror of
https://github.com/qmk/qmk_firmware
synced 2024-11-16 08:56:11 +00:00
64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/*
|
|
The MIT License (MIT)
|
|
|
|
Copyright (c) 2016 Fred Sundvik
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in all
|
|
copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
SOFTWARE.
|
|
*/
|
|
|
|
#include "serial_link/protocol/frame_router.h"
|
|
#include "serial_link/protocol/transport.h"
|
|
#include "serial_link/protocol/frame_validator.h"
|
|
|
|
static bool is_master;
|
|
|
|
void router_set_master(bool master) { is_master = master; }
|
|
|
|
void route_incoming_frame(uint8_t link, uint8_t* data, uint16_t size) {
|
|
if (is_master) {
|
|
if (link == DOWN_LINK) {
|
|
transport_recv_frame(data[size - 1], data, size - 1);
|
|
}
|
|
} else {
|
|
if (link == UP_LINK) {
|
|
if (data[size - 1] & 1) {
|
|
transport_recv_frame(0, data, size - 1);
|
|
}
|
|
data[size - 1] >>= 1;
|
|
validator_send_frame(DOWN_LINK, data, size);
|
|
} else {
|
|
data[size - 1]++;
|
|
validator_send_frame(UP_LINK, data, size);
|
|
}
|
|
}
|
|
}
|
|
|
|
void router_send_frame(uint8_t destination, uint8_t* data, uint16_t size) {
|
|
if (destination == 0) {
|
|
if (!is_master) {
|
|
data[size] = 1;
|
|
validator_send_frame(UP_LINK, data, size + 1);
|
|
}
|
|
} else {
|
|
if (is_master) {
|
|
data[size] = destination;
|
|
validator_send_frame(DOWN_LINK, data, size + 1);
|
|
}
|
|
}
|
|
}
|