X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fbaylibre-acme%2Fprotocol.h;h=2425c992648f72ebdce4e0525bb8f79ac36d2147;hb=7d0f52f7e5cb16d204490ca4006983237bf3df7d;hp=599fdd98c27d179eedd6159d3a475e0ad0f62169;hpb=dfaee1de1711cdfba7bd780b448188819691a2db;p=libsigrok.git diff --git a/src/hardware/baylibre-acme/protocol.h b/src/hardware/baylibre-acme/protocol.h index 599fdd98..2425c992 100644 --- a/src/hardware/baylibre-acme/protocol.h +++ b/src/hardware/baylibre-acme/protocol.h @@ -22,23 +22,71 @@ #include #include -#include "libsigrok.h" +#include +#include #include "libsigrok-internal.h" #define LOG_PREFIX "baylibre-acme" -/** Private, per-device-instance driver context. */ -struct dev_context { - /* Model-specific information */ +/* We support up to 8 energy/temperature probes. */ +#define MAX_PROBES 8 + +/* + * Temperature probes can be connected to the last four ports on the + * ACME cape. When scanning, first look for temperature probes starting + * from this index. + */ +#define TEMP_PRB_START_INDEX 4 - /* Acquisition settings */ +#define ENRG_PROBE_NAME "ina226" +#define TEMP_PROBE_NAME "tmp435" - /* Operational state */ +/* For the user we number the probes starting from 1. */ +#define PROBE_NUM(n) ((n) + 1) - /* Temporary state across callbacks */ +enum probe_type { + PROBE_ENRG = 1, + PROBE_TEMP, +}; + +struct dev_context { + uint64_t samplerate; + struct sr_sw_limits limits; + uint32_t num_channels; + uint64_t samples_missed; + int timer_fd; + GIOChannel *channel; }; -SR_PRIV int baylibre_acme_receive_data(int fd, int revents, void *cb_data); +SR_PRIV uint8_t bl_acme_get_enrg_addr(int index); +SR_PRIV uint8_t bl_acme_get_temp_addr(int index); + +SR_PRIV gboolean bl_acme_is_sane(void); + +SR_PRIV gboolean bl_acme_detect_probe(unsigned int addr, + int prb_num, const char *prb_name); +SR_PRIV gboolean bl_acme_register_probe(struct sr_dev_inst *sdi, int type, + unsigned int addr, int prb_num); + +SR_PRIV int bl_acme_get_probe_type(const struct sr_channel_group *cg); +SR_PRIV int bl_acme_probe_has_pws(const struct sr_channel_group *cg); + +SR_PRIV void bl_acme_maybe_set_update_interval(const struct sr_dev_inst *sdi, + uint64_t samplerate); + +SR_PRIV int bl_acme_get_shunt(const struct sr_channel_group *cg, + uint64_t *shunt); +SR_PRIV int bl_acme_set_shunt(const struct sr_channel_group *cg, + uint64_t shunt); +SR_PRIV int bl_acme_read_power_state(const struct sr_channel_group *cg, + gboolean *off); +SR_PRIV int bl_acme_set_power_off(const struct sr_channel_group *cg, + gboolean off); + +SR_PRIV int bl_acme_receive_data(int fd, int revents, void *cb_data); + +SR_PRIV int bl_acme_open_channel(struct sr_channel *ch); +SR_PRIV void bl_acme_close_channel(struct sr_channel *ch); #endif