diff options
Diffstat (limited to 'src/target/firmware/include/layer1/avg.h')
| -rw-r--r-- | src/target/firmware/include/layer1/avg.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/target/firmware/include/layer1/avg.h b/src/target/firmware/include/layer1/avg.h new file mode 100644 index 00000000..6c5de172 --- /dev/null +++ b/src/target/firmware/include/layer1/avg.h @@ -0,0 +1,23 @@ +#ifndef _L1_AVG_H +#define _L1_AVG_H + +struct running_avg { + /* configuration */ + uint16_t period; /* over how many samples to average */ + uint16_t min_valid; + + int32_t acc_val; + uint16_t num_samples; /* how often did we try to sample? */ + uint16_t num_samples_valid; /* how often did we receive valid samples? */ + + void (*outfn)(struct running_avg *, int32_t avg); + void *priv; +}; + +/* input a new sample into the averaging process */ +void runavg_input(struct running_avg *ravg, int32_t val, int valid); + +/* check if sufficient samples have been obtained, and call outfn() */ +int runavg_check_output(struct running_avg *ravg); + +#endif /* _AVG_H */ |