mirror of
https://github.com/Keychron/qmk_firmware.git
synced 2024-12-30 21:38:01 +06:00
140 lines
11 KiB
C
140 lines
11 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "serial_link/protocol/triple_buffered_object.h"
|
|
#include "serial_link/system/serial_link.h"
|
|
|
|
#define NUM_SLAVES 8
|
|
#define LOCAL_OBJECT_EXTRA 16
|
|
|
|
// master -> slave = 1 local(target all), 1 remote object
|
|
// slave -> master = 1 local(target 0), multiple remote objects
|
|
// master -> single slave (multiple local, target id), 1 remote object
|
|
typedef enum {
|
|
MASTER_TO_ALL_SLAVES,
|
|
MASTER_TO_SINGLE_SLAVE,
|
|
SLAVE_TO_MASTER,
|
|
} remote_object_type;
|
|
|
|
typedef struct {
|
|
remote_object_type object_type;
|
|
uint16_t object_size;
|
|
uint8_t buffer[] __attribute__((aligned(4)));
|
|
} remote_object_t;
|
|
|
|
#define REMOTE_OBJECT_SIZE(objectsize) (sizeof(triple_buffer_object_t) + objectsize * 3)
|
|
#define LOCAL_OBJECT_SIZE(objectsize) (sizeof(triple_buffer_object_t) + (objectsize + LOCAL_OBJECT_EXTRA) * 3)
|
|
|
|
#define REMOTE_OBJECT_HELPER(name, type, num_local, num_remote) \
|
|
typedef struct { \
|
|
remote_object_t object; \
|
|
uint8_t buffer[num_remote * REMOTE_OBJECT_SIZE(sizeof(type)) + num_local * LOCAL_OBJECT_SIZE(sizeof(type))]; \
|
|
} remote_object_##name##_t;
|
|
|
|
#define MASTER_TO_ALL_SLAVES_OBJECT(name, type) \
|
|
REMOTE_OBJECT_HELPER(name, type, 1, 1) \
|
|
remote_object_##name##_t remote_object_##name = {.object = { \
|
|
.object_type = MASTER_TO_ALL_SLAVES, \
|
|
.object_size = sizeof(type), \
|
|
}}; \
|
|
type* begin_write_##name(void) { \
|
|
remote_object_t* obj = (remote_object_t*)&remote_object_##name; \
|
|
triple_buffer_object_t* tb = (triple_buffer_object_t*)obj->buffer; \
|
|
return (type*)triple_buffer_begin_write_internal(sizeof(type) + LOCAL_OBJECT_EXTRA, tb); \
|
|
} \
|
|
void end_write_##name(void) { \
|
|
remote_object_t* obj = (remote_object_t*)&remote_object_##name; \
|
|
triple_buffer_object_t* tb = (triple_buffer_object_t*)obj->buffer; \
|
|
triple_buffer_end_write_internal(tb); \
|
|
signal_data_written(); \
|
|
} \
|
|
type* read_##name(void) { \
|
|
remote_object_t* obj = (remote_object_t*)&remote_object_##name; \
|
|
uint8_t* start = obj->buffer + LOCAL_OBJECT_SIZE(obj->object_size); \
|
|
triple_buffer_object_t* tb = (triple_buffer_object_t*)start; \
|
|
return (type*)triple_buffer_read_internal(obj->object_size, tb); \
|
|
}
|
|
|
|
#define MASTER_TO_SINGLE_SLAVE_OBJECT(name, type) \
|
|
REMOTE_OBJECT_HELPER(name, type, NUM_SLAVES, 1) \
|
|
remote_object_##name##_t remote_object_##name = {.object = { \
|
|
.object_type = MASTER_TO_SINGLE_SLAVE, \
|
|
.object_size = sizeof(type), \
|
|
}}; \
|
|
type* begin_write_##name(uint8_t slave) { \
|
|
remote_object_t* obj = (remote_object_t*)&remote_object_##name; \
|
|
uint8_t* start = obj->buffer; \
|
|
start += slave * LOCAL_OBJECT_SIZE(obj->object_size); \
|
|
triple_buffer_object_t* tb = (triple_buffer_object_t*)start; \
|
|
return (type*)triple_buffer_begin_write_internal(sizeof(type) + LOCAL_OBJECT_EXTRA, tb); \
|
|
} \
|
|
void end_write_##name(uint8_t slave) { \
|
|
remote_object_t* obj = (remote_object_t*)&remote_object_##name; \
|
|
uint8_t* start = obj->buffer; \
|
|
start += slave * LOCAL_OBJECT_SIZE(obj->object_size); \
|
|
triple_buffer_object_t* tb = (triple_buffer_object_t*)start; \
|
|
triple_buffer_end_write_internal(tb); \
|
|
signal_data_written(); \
|
|
} \
|
|
type* read_##name() { \
|
|
remote_object_t* obj = (remote_object_t*)&remote_object_##name; \
|
|
uint8_t* start = obj->buffer + NUM_SLAVES * LOCAL_OBJECT_SIZE(obj->object_size); \
|
|
triple_buffer_object_t* tb = (triple_buffer_object_t*)start; \
|
|
return (type*)triple_buffer_read_internal(obj->object_size, tb); \
|
|
}
|
|
|
|
#define SLAVE_TO_MASTER_OBJECT(name, type) \
|
|
REMOTE_OBJECT_HELPER(name, type, 1, NUM_SLAVES) \
|
|
remote_object_##name##_t remote_object_##name = {.object = { \
|
|
.object_type = SLAVE_TO_MASTER, \
|
|
.object_size = sizeof(type), \
|
|
}}; \
|
|
type* begin_write_##name(void) { \
|
|
remote_object_t* obj = (remote_object_t*)&remote_object_##name; \
|
|
triple_buffer_object_t* tb = (triple_buffer_object_t*)obj->buffer; \
|
|
return (type*)triple_buffer_begin_write_internal(sizeof(type) + LOCAL_OBJECT_EXTRA, tb); \
|
|
} \
|
|
void end_write_##name(void) { \
|
|
remote_object_t* obj = (remote_object_t*)&remote_object_##name; \
|
|
triple_buffer_object_t* tb = (triple_buffer_object_t*)obj->buffer; \
|
|
triple_buffer_end_write_internal(tb); \
|
|
signal_data_written(); \
|
|
} \
|
|
type* read_##name(uint8_t slave) { \
|
|
remote_object_t* obj = (remote_object_t*)&remote_object_##name; \
|
|
uint8_t* start = obj->buffer + LOCAL_OBJECT_SIZE(obj->object_size); \
|
|
start += slave * REMOTE_OBJECT_SIZE(obj->object_size); \
|
|
triple_buffer_object_t* tb = (triple_buffer_object_t*)start; \
|
|
return (type*)triple_buffer_read_internal(obj->object_size, tb); \
|
|
}
|
|
|
|
#define REMOTE_OBJECT(name) (remote_object_t*)&remote_object_##name
|
|
|
|
void add_remote_objects(remote_object_t** remote_objects, uint32_t num_remote_objects);
|
|
void reinitialize_serial_link_transport(void);
|
|
void transport_recv_frame(uint8_t from, uint8_t* data, uint16_t size);
|
|
void update_transport(void);
|