initial commit

ccs/state.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <stdint.h>
+
+#define STATE_SENSOR_BUFFER_SIZE 8
+
+typedef struct {
+    uint8_t buffer[STATE_SENSOR_BUFFER_SIZE];
+    int front;
+    int rear;
+    int size;
+} SensorBuffer;
+
+void senbuf_init(SensorBuffer *sb);
+
+int senbuf_is_full(SensorBuffer *sb);
+
+int senbuf_push(SensorBuffer *sb, uint8_t value);
+
+int senbuf_pop(SensorBuffer *sb);
+
+void senbuf_get(SensorBuffer *sb, uint8_t *out, int lookahead);