From 1c0347b8b85de03691c7810f98f38bb245783985 Mon Sep 17 00:00:00 2001 From: Joel Challis Date: Thu, 7 Oct 2021 02:32:05 +0100 Subject: Remove SERIAL_LINK feature (#14727) * Remove SERIAL_LINK * more stale paths in doxygen-todo * Fix * More refs * Update testing docs * Update doxygen-todo Co-authored-by: Ryan Co-authored-by: Ryan --- .../serial_link/protocol/triple_buffered_object.c | 77 ---------------------- 1 file changed, 77 deletions(-) delete mode 100644 quantum/serial_link/protocol/triple_buffered_object.c (limited to 'quantum/serial_link/protocol/triple_buffered_object.c') diff --git a/quantum/serial_link/protocol/triple_buffered_object.c b/quantum/serial_link/protocol/triple_buffered_object.c deleted file mode 100644 index e0c6d702a5..0000000000 --- a/quantum/serial_link/protocol/triple_buffered_object.c +++ /dev/null @@ -1,77 +0,0 @@ -/* -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/triple_buffered_object.h" -#include "serial_link/system/serial_link.h" -#include -#include - -#define GET_READ_INDEX() object->state & 3 -#define GET_WRITE_INDEX() (object->state >> 2) & 3 -#define GET_SHARED_INDEX() (object->state >> 4) & 3 -#define GET_DATA_AVAILABLE() (object->state >> 6) & 1 - -#define SET_READ_INDEX(i) object->state = ((object->state & ~3) | i) -#define SET_WRITE_INDEX(i) object->state = ((object->state & ~(3 << 2)) | (i << 2)) -#define SET_SHARED_INDEX(i) object->state = ((object->state & ~(3 << 4)) | (i << 4)) -#define SET_DATA_AVAILABLE(i) object->state = ((object->state & ~(1 << 6)) | (i << 6)) - -void triple_buffer_init(triple_buffer_object_t* object) { - object->state = 0; - SET_WRITE_INDEX(0); - SET_READ_INDEX(1); - SET_SHARED_INDEX(2); - SET_DATA_AVAILABLE(0); -} - -void* triple_buffer_read_internal(uint16_t object_size, triple_buffer_object_t* object) { - serial_link_lock(); - if (GET_DATA_AVAILABLE()) { - uint8_t shared_index = GET_SHARED_INDEX(); - uint8_t read_index = GET_READ_INDEX(); - SET_READ_INDEX(shared_index); - SET_SHARED_INDEX(read_index); - SET_DATA_AVAILABLE(false); - serial_link_unlock(); - return object->buffer + object_size * shared_index; - } else { - serial_link_unlock(); - return NULL; - } -} - -void* triple_buffer_begin_write_internal(uint16_t object_size, triple_buffer_object_t* object) { - uint8_t write_index = GET_WRITE_INDEX(); - return object->buffer + object_size * write_index; -} - -void triple_buffer_end_write_internal(triple_buffer_object_t* object) { - serial_link_lock(); - uint8_t shared_index = GET_SHARED_INDEX(); - uint8_t write_index = GET_WRITE_INDEX(); - SET_SHARED_INDEX(write_index); - SET_WRITE_INDEX(shared_index); - SET_DATA_AVAILABLE(true); - serial_link_unlock(); -} -- cgit v1.2.3