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avrm/fifo.h
Олег Бородин 47485f71a4 import sources
2024-07-28 15:21:25 +02:00

33 lines
784 B
C

/*
* Copyright 2017 Oleg Borodin <onborodin@gmail.com>
*
*/
#ifndef UART_H_IUI
#define UART_H_IUI
#ifndef FIFO_BUFFER_SIZE
#define FIFO_BUFFER_SIZE 128
#endif
typedef struct fifo {
volatile uint8_t head;
volatile uint8_t tail;
volatile uint8_t *buffer;
uint8_t buffer_len;
} fifo_t;
void fifo_init(fifo_t * b, uint8_t * buffer, uint8_t buffer_len);
uint8_t fifo_count(const fifo_t * b);
bool fifo_full(const fifo_t * b);
bool fifo_empty(const fifo_t * b);
uint8_t fifo_peek(const fifo_t * b);
uint8_t fifo_getc(fifo_t * b);
bool fifo_putc(fifo_t * b, uint8_t data);
uint8_t fifo_puts(fifo_t * b, uint8_t * str);
bool fifo_scanc(fifo_t * b, uint8_t c);
uint8_t fifo_get_token(fifo_t * b, uint8_t * str, uint8_t len, uint8_t);
bool fifo_back(fifo_t * b);
#endif