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msgblock: Add clock estimation helper functions

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2021-02-15 19:18:51 -05:00
parent f938caa0d2
commit 620f77ddb7
7 changed files with 65 additions and 22 deletions
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8
klippy/chelper/msgblock.h
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@@ -34,6 +34,11 @@ struct queue_message {
struct list_node node;
};
struct clock_estimate {
uint64_t last_clock, conv_clock;
double conv_time, est_freq;
};
uint16_t msgblock_crc16_ccitt(uint8_t *buf, uint8_t len);
int msgblock_check(uint8_t *need_sync, uint8_t *buf, int buf_len);
int msgblock_decode(uint32_t *data, int data_len, uint8_t *msg, int msg_len);
@@ -42,5 +47,8 @@ struct queue_message *message_fill(uint8_t *data, int len);
struct queue_message *message_alloc_and_encode(uint32_t *data, int len);
void message_free(struct queue_message *qm);
void message_queue_free(struct list_head *root);
uint64_t clock_from_clock32(struct clock_estimate *ce, uint32_t clock32);
double clock_to_time(struct clock_estimate *ce, uint64_t clock);
uint64_t clock_from_time(struct clock_estimate *ce, double time);
#endif // msgblock.h