diff options
| author | lonkaars <loek@pipeframe.xyz> | 2022-09-26 14:15:14 +0200 |
|---|---|---|
| committer | lonkaars <loek@pipeframe.xyz> | 2022-09-26 14:15:14 +0200 |
| commit | 5829fb58101a9edb6b9d31c9e22183f5159e1480 (patch) | |
| tree | 684073a504f5bd9d8af7c459a32c07f37c799a3e /stm32f091/backlog.h | |
| parent | 3608f1cc19f4bc102c1f0c5a3ab242e2e318a0b9 (diff) | |
implement backlog database functions
Diffstat (limited to 'stm32f091/backlog.h')
| -rw-r--r-- | stm32f091/backlog.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/stm32f091/backlog.h b/stm32f091/backlog.h index 7051ecf..465b3c0 100644 --- a/stm32f091/backlog.h +++ b/stm32f091/backlog.h @@ -20,10 +20,10 @@ typedef struct { } ws_s_backlog_record; typedef struct { - uint16_t buffer_size; /**< buffer size (buffer_size + 1 = amount of records) */ + uint16_t buffer_size; /**< buffer size (amount of records) */ uint16_t buffer_start; /** first record index */ uint16_t buffer_end; /** last record index */ - ws_s_backlog_record* records; /** pointer to record array */ + ws_s_backlog_record records[]; /** record array */ } ws_s_backlog_database; // disable struct packing @@ -38,7 +38,7 @@ extern ws_s_backlog_database* WS_G_BACKLOG_DATABASE; * automatically sets record.id, pushes buffer_end forwards and overwrites the * last record if the buffer is full */ -void ws_backlog_add_record(ws_s_backlog_record* record); +void ws_backlog_add_record(ws_s_backlog_record record); /** * there's intentionally no function to retrieve multiple records as an array, @@ -52,3 +52,6 @@ void ws_backlog_add_record(ws_s_backlog_record* record); /** @brief get pointer to record with index `record_index` from the database */ ws_s_backlog_record* ws_backlog_get_record(uint16_t record_index); +/** @brief get pointer to last record with offset `record_offset` from the database */ +ws_s_backlog_record* ws_backlog_get_last_record(uint16_t record_offset); + |