scpi-dmm: add support to get/set range on Agilent protocol using meters

[libsigrok.git] / src / hardware / scpi-dmm / protocol.h

diff --git a/src/hardware/scpi-dmm/protocol.h b/src/hardware/scpi-dmm/protocol.h
index 6af9496940aab6d62b53d33741fa2080b79b878e..8146c4555402511f8532dc479778e4472e1f9b80 100644 (file)
--- a/src/hardware/scpi-dmm/protocol.h
+++ b/src/hardware/scpi-dmm/protocol.h
@@ -41,6 +41,10 @@ enum scpi_dmm_cmdcode {
        DMM_CMD_QUERY_VALUE,
        DMM_CMD_QUERY_PREC,
        DMM_CMD_SETUP_LOCAL,
+       DMM_CMD_QUERY_RANGE_AUTO,
+       DMM_CMD_QUERY_RANGE,
+       DMM_CMD_SETUP_RANGE_AUTO,
+       DMM_CMD_SETUP_RANGE,
 };
 
 struct mqopt_item {
@@ -66,6 +70,10 @@ struct scpi_dmm_model {
        unsigned int read_timeout_us; /* If zero, use default from src/scpi/scpi.c. */
        float infinity_limit; /* If zero, use default from protocol.c */
        gboolean check_opc;
+       const char *(*get_range_text)(const struct sr_dev_inst *sdi);
+       int (*set_range_from_text)(const struct sr_dev_inst *sdi,
+               const char *range);
+       GVariant *(*get_range_text_list)(const struct sr_dev_inst *sdi);
 };
 
 struct dev_context {
@@ -87,6 +95,7 @@ struct dev_context {
                struct sr_analog_spec spec[SCPI_DMM_MAX_CHANNELS];
        } run_acq_info;
        gchar *precision;
+       char range_text[32];
 };
 
 SR_PRIV void scpi_dmm_cmd_delay(struct sr_scpi_dev_inst *scpi);
@@ -99,6 +108,10 @@ SR_PRIV int scpi_dmm_get_mq(const struct sr_dev_inst *sdi,
        const struct mqopt_item **mqitem);
 SR_PRIV int scpi_dmm_set_mq(const struct sr_dev_inst *sdi,
        enum sr_mq mq, enum sr_mqflag flag);
+SR_PRIV const char *scpi_dmm_get_range_text(const struct sr_dev_inst *sdi);
+SR_PRIV int scpi_dmm_set_range_from_text(const struct sr_dev_inst *sdi,
+       const char *range);
+SR_PRIV GVariant *scpi_dmm_get_range_text_list(const struct sr_dev_inst *sdi);
 SR_PRIV int scpi_dmm_get_meas_agilent(const struct sr_dev_inst *sdi, size_t ch);
 SR_PRIV int scpi_dmm_get_meas_gwinstek(const struct sr_dev_inst *sdi, size_t ch);
 SR_PRIV int scpi_dmm_receive_data(int fd, int revents, void *cb_data);