diff options
Diffstat (limited to 'quantum/serial_link/protocol/transport.h')
| -rw-r--r-- | quantum/serial_link/protocol/transport.h | 168 |
1 files changed, 79 insertions, 89 deletions
diff --git a/quantum/serial_link/protocol/transport.h b/quantum/serial_link/protocol/transport.h index 2c5d890b21..309a56b000 100644 --- a/quantum/serial_link/protocol/transport.h +++ b/quantum/serial_link/protocol/transport.h @@ -42,104 +42,94 @@ typedef enum { typedef struct { remote_object_type object_type; - uint16_t object_size; - uint8_t buffer[] __attribute__((aligned(4))); + 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; \ +#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); \ + } \ + 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; \ +#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); \ + } \ + 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; \ +#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); \ + } \ + 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 |