jens/radio
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Initial import

Browse Source 
git-svn-id: http://moon:8086/svn/software/trunk/libsrc/radio@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
This commit is contained in:
jens
2014-07-19 07:44:42 +00:00
commit 290fd5f5e0
36 changed files with 13976 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
frame.h
Executable
+61
View File
@@ -0,0 +1,61 @@
// --------------------------------------------------------------
#ifndef FRAME_H
#define FRAME_H
#include "radio_types.h"
#include "cpx.h"
// --------------------------------------------------------------
// Constants
// --------------------------------------------------------------
#define FRAME_CRC16_IV 0x0000
#define FRAME_CRC16_POLY 0x1021
#define FRAME_PREAMBLE_IV 0x55
#define FRAME_SCRAMBLER_SEED 0x12345678
#define FRAME_SCRAMBLER_POLY 0x80C18601
#define FRAME_NUM_BYTES_PER_FRAME 32
#define FRAME_TYPE_IDLE 0x01
#define FRAME_TYPE_DATA 0x02
// --------------------------------------------------------------
// Types
// --------------------------------------------------------------
typedef struct _frame_hdr_t
{
uint8_t preamble[2];
uint32_t prn_state;
uint16_t crc16;
uint16_t type;
uint16_t length;
} frame_hdr_t;
typedef struct _frame_t
{
frame_hdr_t hdr;
uint8_t data[FRAME_NUM_BYTES_PER_FRAME];
} frame_t;
// --------------------------------------------------------------
// Functions
// --------------------------------------------------------------
#ifdef __cplusplus
extern "C" {
#endif
uint32_t Scramble(uint8_t *pSrcDst, uint32_t state, uint32_t poly, uint32_t len);
uint32_t FrameCalcNumStreamBytes(uint32_t len_raw);
uint32_t FrameFormat(uint8_t *pRaw, uint8_t *pFormatted, uint32_t len_raw, uint32_t *pPrn_state, uint16_t frame_type);
uint32_t FrameDeformat(uint8_t *pFormatted, uint8_t *pRaw, uint32_t len_formatted, uint16_t frame_type);
uint32_t FrameSerialize(uint8_t *pSrc, uint8_t *pDst, uint32_t nBitsPerSym, uint32_t srclen);
uint32_t FrameDeSerialize(uint8_t *pSrc, uint8_t *pDst, uint32_t nBitsPerSym, uint32_t srclen, uint16_t frame_type);
uint32_t FrameSymbolsMap(uint8_t *pBits, cpx_t *pSym, uint32_t nBitsPerSym, uint32_t num_syms, uint32_t type);
uint32_t FrameSymbolsDemap(cpx_t *pSym, uint8_t *pBits, uint32_t nBitsPerSym, uint32_t num_syms, uint32_t type);
#ifdef __cplusplus
}
#endif // __cplusplus
// --------------------------------------------------------------
#endif // FRAME_H