hp-3478a: Add get/set/list of measurement ranges.

[libsigrok.git] / src / hardware / hp-3478a / protocol.h

diff --git a/src/hardware/hp-3478a/protocol.h b/src/hardware/hp-3478a/protocol.h
index baf622bd45fdb58e8854e904786b3b2e71e84253..1b7f5cb1e6bfcb479241ae56b239b75ecf66629b 100644 (file)
--- a/src/hardware/hp-3478a/protocol.h
+++ b/src/hardware/hp-3478a/protocol.h
@@ -138,8 +138,12 @@ struct dev_context {
 
        double measurement;
        enum sr_mq measurement_mq;
+       /** The measurement mq flags only contain flags for AC, DC and 4-wire. */
        enum sr_mqflag measurement_mq_flags;
+       /** The acquisition mq flags also contain flags for autoranging and RMS. */
+       enum sr_mqflag acquisition_mq_flags;
        enum sr_unit measurement_unit;
+       int range_exp;
        uint8_t enc_digits;
        uint8_t spec_digits;
 
@@ -157,6 +161,7 @@ struct channel_context {
 
 SR_PRIV int hp_3478a_set_mq(const struct sr_dev_inst *sdi, enum sr_mq mq,
                                enum sr_mqflag mq_flags);
+SR_PRIV int hp_3478a_set_range(const struct sr_dev_inst *sdi, int range_exp);
 SR_PRIV int hp_3478a_get_status_bytes(const struct sr_dev_inst *sdi);
 SR_PRIV int hp_3478a_receive_data(int fd, int revents, void *cb_data);