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Mark Qvist 2014-12-03 01:10:06 +01:00
commit 05d62b594e
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protocol/AX25.h Normal file
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#ifndef PROTOCOL_AX25_H
#define PROTOCOL_AX25_H
#include <stdio.h>
#include <stdbool.h>
#define AX25_MIN_FRAME_LEN 18
#define AX25_MAX_FRAME_LEN 850
#define AX25_CRC_CORRECT 0xF0B8
#define AX25_CTRL_UI 0x03
#define AX25_PID_NOLAYER3 0xF0
struct AX25Ctx; // Forward declaration
#if SERIAL_PROTOCOL == PROTOCOL_KISS
typedef void (*ax25_callback_t)(struct AX25Ctx *ctx);
#endif
typedef struct AX25Ctx
{
uint8_t buf[AX25_MAX_FRAME_LEN];
FILE *ch;
size_t frame_len;
uint16_t crc_in;
uint16_t crc_out;
ax25_callback_t hook;
bool sync;
bool escape;
} AX25Ctx;
void ax25_poll(AX25Ctx *ctx);
void ax25_sendRaw(AX25Ctx *ctx, void *_buf, size_t len);
void ax25_init(AX25Ctx *ctx, FILE *channel, ax25_callback_t hook);
#endif