From 7b88b8b7e1fd50b1fc2a219c734a3069576bcbe2 Mon Sep 17 00:00:00 2001 From: Fred Sundvik Date: Sun, 21 Feb 2016 21:32:01 +0200 Subject: Add slave to master transport --- serial_link/protocol/transport.c | 20 +++++++++++++------- serial_link/protocol/transport.h | 13 +++++++++++++ 2 files changed, 26 insertions(+), 7 deletions(-) (limited to 'serial_link/protocol') diff --git a/serial_link/protocol/transport.c b/serial_link/protocol/transport.c index c4019d7fed..e49e9d69d9 100644 --- a/serial_link/protocol/transport.c +++ b/serial_link/protocol/transport.c @@ -71,13 +71,18 @@ void init_transport(remote_object_t** _remote_objects, uint32_t _num_remote_obje void transport_recv_frame(uint8_t from, uint8_t* data, uint16_t size) { uint8_t id = data[size-1]; remote_object_t* obj = remote_objects[id]; + uint8_t* start; if (obj->object_type == MASTER_TO_ALL_SLAVES) { - uint8_t* start = obj->buffer + LOCAL_OBJECT_SIZE(obj->object_size); - triple_buffer_object_t* tb = (triple_buffer_object_t*)start; - void* ptr = triple_buffer_begin_write_internal(obj->object_size, tb); - memcpy(ptr, data, size -1); - triple_buffer_end_write_internal(tb); + start = obj->buffer + LOCAL_OBJECT_SIZE(obj->object_size); } + else if(obj->object_type == SLAVE_TO_MASTER) { + start = obj->buffer + LOCAL_OBJECT_SIZE(obj->object_size); + start += (from - 1) * REMOTE_OBJECT_SIZE(obj->object_size); + } + triple_buffer_object_t* tb = (triple_buffer_object_t*)start; + void* ptr = triple_buffer_begin_write_internal(obj->object_size, tb); + memcpy(ptr, data, size -1); + triple_buffer_end_write_internal(tb); } uint32_t transport_send_frame(uint8_t to, uint8_t* data, uint16_t size) { @@ -87,12 +92,13 @@ void update_transport(void) { int i; for(i=0;iobject_type == MASTER_TO_ALL_SLAVES) { + if (obj->object_type == MASTER_TO_ALL_SLAVES || obj->object_type == SLAVE_TO_MASTER) { triple_buffer_object_t* tb = (triple_buffer_object_t*)obj->buffer; uint8_t* ptr = (uint8_t*)triple_buffer_read_internal(obj->object_size + LOCAL_OBJECT_EXTRA, tb); if (ptr) { ptr[obj->object_size] = i; - router_send_frame(0xFF, ptr, obj->object_size + 1); + uint8_t dest = obj->object_type == MASTER_TO_ALL_SLAVES ? 0xFF : 0; + router_send_frame(dest, ptr, obj->object_size + 1); } } } diff --git a/serial_link/protocol/transport.h b/serial_link/protocol/transport.h index fa2e00d2d3..94ff85312a 100644 --- a/serial_link/protocol/transport.h +++ b/serial_link/protocol/transport.h @@ -108,9 +108,22 @@ typedef struct { \ } \ }; \ 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 triple_buffer_read_internal(obj->object_size, tb); \ } #define REMOTE_OBJECT(name) (remote_object_t*)&remote_object_##name -- cgit v1.2.3