scpi-dmm: Add support for GW-Instek 8200A series bench multimeters.

[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 e672f33e7e9e46df1c198f2d2b371c41fc2cd464..9a6b7012daa09b0bf4c6957542ca83176697e601 100644 (file)
--- a/src/hardware/scpi-dmm/protocol.h
+++ b/src/hardware/scpi-dmm/protocol.h
@@ -20,16 +20,84 @@
 #ifndef LIBSIGROK_HARDWARE_SCPI_DMM_PROTOCOL_H
 #define LIBSIGROK_HARDWARE_SCPI_DMM_PROTOCOL_H
 
-#include <stdint.h>
+#include <config.h>
 #include <glib.h>
+#include <stdint.h>
+#include <stdlib.h>
 #include <libsigrok/libsigrok.h>
 #include "libsigrok-internal.h"
+#include "scpi.h"
 
 #define LOG_PREFIX "scpi-dmm"
 
+#define SCPI_DMM_MAX_CHANNELS  1
+
+enum scpi_dmm_cmdcode {
+       DMM_CMD_SETUP_REMOTE,
+       DMM_CMD_SETUP_FUNC,
+       DMM_CMD_QUERY_FUNC,
+       DMM_CMD_START_ACQ,
+       DMM_CMD_STOP_ACQ,
+       DMM_CMD_QUERY_VALUE,
+       DMM_CMD_QUERY_PREC,
+};
+
+struct mqopt_item {
+       enum sr_mq mq;
+       enum sr_mqflag mqflag;
+       const char *scpi_func_setup;
+       const char *scpi_func_query;
+       int default_precision;
+};
+#define NO_DFLT_PREC   -99
+
+struct scpi_dmm_model {
+       const char *vendor;
+       const char *model;
+       size_t num_channels;
+       ssize_t digits;
+       const struct scpi_command *cmdset;
+       const struct mqopt_item *mqopts;
+       size_t mqopt_size;
+       int (*get_measurement)(const struct sr_dev_inst *sdi, size_t ch);
+       const uint32_t *devopts;
+       size_t devopts_size;
+       unsigned int read_timeout_us; /* If zero, use default from src/scpi/scpi.c. */
+};
+
 struct dev_context {
+       size_t num_channels;
+       const struct scpi_command *cmdset;
+       const struct scpi_dmm_model *model;
+       struct sr_sw_limits limits;
+       struct {
+               enum sr_mq curr_mq;
+               enum sr_mqflag curr_mqflag;
+       } start_acq_mq;
+       struct scpi_dmm_acq_info {
+               float f_value;
+               double d_value;
+               struct sr_datafeed_packet packet;
+               struct sr_datafeed_analog analog[SCPI_DMM_MAX_CHANNELS];
+               struct sr_analog_encoding encoding[SCPI_DMM_MAX_CHANNELS];
+               struct sr_analog_meaning meaning[SCPI_DMM_MAX_CHANNELS];
+               struct sr_analog_spec spec[SCPI_DMM_MAX_CHANNELS];
+       } run_acq_info;
+       gchar *precision;
 };
 
+SR_PRIV void scpi_dmm_cmd_delay(struct sr_scpi_dev_inst *scpi);
+SR_PRIV const struct mqopt_item *scpi_dmm_lookup_mq_number(
+       const struct sr_dev_inst *sdi, enum sr_mq mq, enum sr_mqflag flag);
+SR_PRIV const struct mqopt_item *scpi_dmm_lookup_mq_text(
+       const struct sr_dev_inst *sdi, const char *text);
+SR_PRIV int scpi_dmm_get_mq(const struct sr_dev_inst *sdi,
+       enum sr_mq *mq, enum sr_mqflag *flag, char **rsp,
+       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 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);
 
 #endif