assign VOLATILE V2

2025-12-10 02:26:47 +09:00
parent 2ca19bf287
commit 3d8b12c321
14 changed files with 348 additions and 888 deletions
--- a/ccs/history.h
+++ b/ccs/history.h
@@ -0,0 +1,33 @@
+#ifndef _history_h_
+#define _history_h_
+
+#include <stdint.h>
+
+#define HISTORY_SIZE 20000
+
+typedef struct HistoryEntry {
+    uint8_t sensor;
+    int error;
+} HistoryEntry;
+
+typedef struct {
+    HistoryEntry data[HISTORY_SIZE];
+    int errors[HISTORY_SIZE];
+    int front;
+    int rear;
+    int size;
+} HistoryBuffer;
+
+void hisbuf_init(HistoryBuffer *sb);
+
+int hisbuf_is_full(HistoryBuffer *sb);
+
+int hisbuf_push(HistoryBuffer *sb, HistoryEntry entry);
+
+int hisbuf_pop(HistoryBuffer *sb);
+
+int hisbuf_pop_data(HistoryBuffer *sb, HistoryEntry *out);
+
+void hisbuf_get(HistoryBuffer *sb, HistoryEntry *out, int lookahead);
+
+#endif