ringbuf.h

00001 #include "types.h"
00002 
00003 #ifndef _RING_BUF_H_
00004 #define _RING_BUF_H_
00005 
00006 typedef struct{
00007     uint8* p_o;                 /**< Original pointer */
00008     uint8* p_e;                 /**< End boundary */
00009     uint8* volatile p_r;        /**< Read pointer */
00010     uint8* volatile p_w;        /**< Write pointer */
00011     volatile uint16 fill_cnt;   /**< Number of filled slots */
00012     volatile uint16 size;                /**< Buffer size */
00013 }ringbuf_t;
00014 
00015 uint8 ICACHE_FLASH_ATTR ringbuf_init(ringbuf_t *r, uint8* buf, uint16 size);
00016 uint8 ICACHE_FLASH_ATTR ringbuf_clear(ringbuf_t *r);
00017 uint8 ICACHE_FLASH_ATTR ringbuf_put(ringbuf_t *r, uint8 c);
00018 uint8 ICACHE_FLASH_ATTR ringbuf_get(ringbuf_t *r, uint8 * c);
00019 uint16 ICACHE_FLASH_ATTR ringbuf_gets(ringbuf_t *r, uint8 * buff, uint16 size);
00020 uint16 ICACHE_FLASH_ATTR ringbuf_puts(ringbuf_t *r, uint8 * buff, uint16 size);
00021 
00022 #endif