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author | Jack Humbert <[email protected]> | 2016-07-06 18:05:50 -0400 |
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committer | Jack Humbert <[email protected]> | 2016-07-06 18:05:50 -0400 |
commit | c88207884b5fb16c8955b54b4331fc605158b9f2 (patch) | |
tree | 3c929a4e018db257b7f0238f2a52d21600352bca /quantum/serial_link/protocol/frame_router.c | |
parent | eb6e17be6fc378fdfb8c5c2c7253c17ffc07d225 (diff) | |
parent | 5baaf871bbdd6667625860b0daef7fe9a91e08db (diff) | |
download | qmk_firmware-c88207884b5fb16c8955b54b4331fc605158b9f2.tar.gz qmk_firmware-c88207884b5fb16c8955b54b4331fc605158b9f2.zip |
Merge branch 'master' into lets-split-support
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 0000000000..04b8c2e75c --- /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); + } + } +} |