Initial import of NFC GNSS SDK project

2026-09-15 16:10:12 +08:00
commit 2746cc3d4e
3070 changed files with 892062 additions and 0 deletions
@@ -0,0 +1,40 @@
+#ifndef _QUEC_RING_BUFFER_H_
+#define _QUEC_RING_BUFFER_H_
+
+#ifdef __cplusplus
+	 extern "C" {
+#endif
+
+typedef struct quec_ring_buf_struct {
+    unsigned int size;
+    unsigned int  rpos;
+    unsigned int  wpos;
+    unsigned char *data;
+}quec_ring_buf_t;
+
+unsigned int __kfifo_rb_write(quec_ring_buf_t *rb, unsigned char *data, unsigned int len);
+
+unsigned int __kfifo_rb_read(quec_ring_buf_t *rb, unsigned char *data, unsigned int len);
+
+quec_ring_buf_t *__kfifo_rb_create(unsigned int size);
+
+void __kfifo_rb_destroy(quec_ring_buf_t **rb);
+
+int __kfifo_rb_init(void);
+
+void __kfifo_rb_clear(quec_ring_buf_t *rb);
+
+unsigned int __kfifo_rb_is_empty(quec_ring_buf_t *rb);
+
+unsigned int __kfifo_rb_is_full(quec_ring_buf_t *rb);
+
+unsigned int __kfifo_rb_data_len(quec_ring_buf_t *rb);
+
+unsigned int __kfifo_rb_free_space(quec_ring_buf_t *rb);
+
+#ifdef __cplusplus
+	} /*"C" */
+#endif
+
+#endif
+