gboolean (*packet_valid)(const uint8_t *pkt);
int (*packet_parse)(const uint8_t *pkt, float *value,
struct sr_datafeed_analog *analog, void *info);
gboolean (*packet_valid)(const uint8_t *pkt);
int (*packet_parse)(const uint8_t *pkt, float *value,
struct sr_datafeed_analog *analog, void *info);