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fw simulator: WIP

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This commit is contained in:
jaseg 2020-04-17 17:59:08 +02:00
parent e505627ada
commit 87ae7dfcb3
24 changed files with 465 additions and 192 deletions
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17
controller/fw/src/dsss_demod.h
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@ -10,8 +10,12 @@
/* FIXME: move to makefile */
#define DSSS_MATCHER_CACHE_SIZE 8
/* FIXME: move to more appropriate header */
#define PAYLOAD_DATA_BYTE ((PAYLOAD_DATA_BIT+7)/8)
#if DSSS_GOLD_CODE_NBITS < 8
typedef uint8_t symbol_t;
#else
typedef uint16_t symbol_t;
#endif
struct iir_biquad {
float a[2];
@ -43,12 +47,9 @@ struct matcher_state {
int last_skips;
int candidate_skips;
#if DSSS_GOLD_CODE_NBITS > 7
#error DSSS_GOLD_CODE_NBITS is too large for matcher_state.data data type (uint8_t)
#endif
uint8_t data[TRANSMISSION_SYMBOLS];
symbol_t data[TRANSMISSION_SYMBOLS];
int data_pos;
uint8_t candidate_data;
symbol_t candidate_data;
};
struct dsss_demod_state {
@ -66,7 +67,7 @@ struct dsss_demod_state {
};
extern void handle_dsss_received(uint8_t data[static TRANSMISSION_SYMBOLS]);
extern void handle_dsss_received(symbol_t data[static TRANSMISSION_SYMBOLS]);
void dsss_demod_init(struct dsss_demod_state *st);
void dsss_demod_step(struct dsss_demod_state *st, float new_value, uint64_t ts);