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author | Christopher Browne <cbbrowne@ca.afilias.info> | 2016-07-07 11:13:22 -0400 |
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committer | Christopher Browne <cbbrowne@ca.afilias.info> | 2016-07-07 11:13:22 -0400 |
commit | 97dfbd1afce005392aa8f067e89bdf95334bdea5 (patch) | |
tree | 1b198dd239bcb49564c31f124978abde0b467a81 /quantum/serial_link/protocol/frame_router.c | |
parent | 2e1cfaf73fccdfaba2d7542f00bd7c3d49998d5d (diff) | |
parent | ad43d450ca1b988d196da80e2a745f45f24068f6 (diff) | |
download | firmware-97dfbd1afce005392aa8f067e89bdf95334bdea5.tar.gz firmware-97dfbd1afce005392aa8f067e89bdf95334bdea5.tar.bz2 firmware-97dfbd1afce005392aa8f067e89bdf95334bdea5.zip |
Merge branch 'master' of https://github.com/jackhumbert/qmk_firmware
Diffstat (limited to 'quantum/serial_link/protocol/frame_router.c')
-rw-r--r-- | quantum/serial_link/protocol/frame_router.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/quantum/serial_link/protocol/frame_router.c b/quantum/serial_link/protocol/frame_router.c new file mode 100644 index 000000000..04b8c2e75 --- /dev/null +++ b/quantum/serial_link/protocol/frame_router.c @@ -0,0 +1,69 @@ +/* +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); + } + } +} |