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defines

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iceman1001 2023-08-02 19:12:59 +02:00
commit ce741d3b44
1 changed files with 10 additions and 6 deletions
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16
include/iso14b.h
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@ -65,13 +65,17 @@ typedef struct {
} PACKED iso14b_raw_cmd_t; } PACKED iso14b_raw_cmd_t;
#define US_TO_SSP(x) ( (uint32_t)((x) * 3.39) ) #define US_TO_SSP(x) ( (int32_t)((x) * 3.39) )
#define SSP_TO_US(x) ( (uint32_t)((x) / 3.39) ) #define SSP_TO_US(x) ( (int32_t)((x) / 3.39) )
#define ETU_TO_SSP(x) ((uint32_t)((x) * 32)) #define ETU_TO_SSP(x) ( (int32_t)((x) * 32) )
#define SSP_TO_ETU(x) ((uint32_t)((x) / 32)) #define SSP_TO_ETU(x) ( (int32_t)((x) / 32) )
#define ETU_TO_US(x) ((uint32_t)((((x) * 9440000) / 1000000) + 0.5)) #define ONE_ETU_IN_US (12800000.0 / 1356000.0)
#define US_TO_ETU(x) ((uint32_t)(((x) * 1000000 / 9440000) + 0.5)) #define ETU_TO_US(x) (float)(ONE_ETU_IN_US * (x))
// #define ETU_TO_US(x) ( (int32_t)( ((x) * 9440000) / 1000000) )
#define US_TO_ETU(x) ( (int32_t)( ((x) * 1000000) / 9440000) )
#endif // _ISO14B_H_ #endif // _ISO14B_H_