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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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typedef union {
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struct __attribute__((packed)) {
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bool VOLT: 1;
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bool CURR: 1;
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bool TIME: 1;
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bool POWER: 1;
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bool TEMP: 1;
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bool FREQ: 1;
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bool PHASE: 1;
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bool MODUL: 1;
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bool CALIB: 1;
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bool BIT_9: 1; // user defined
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bool BIT_10: 1;
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bool BIT_11: 1;
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bool BIT_12: 1;
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bool INSTR_SUM: 1; // instrument summary
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bool COMMAND_WARNING: 1; // command warning
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bool RESERVED: 1;
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};
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uint16_t u16;
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} SCPI_REG_QUES_t;
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typedef union {
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struct __attribute__((packed)) {
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bool CALIB: 1;
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bool SETTING: 1;
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bool RANGING: 1;
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bool SWEEP: 1;
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bool MEAS: 1;
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bool WAIT_TRIG: 1; // waiting for trigger
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bool WAIT_ARM: 1; // waiting for ARM
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bool CORRECTING: 1;
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bool BIT_8: 1; // user defined
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bool BIT_9: 1;
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bool BIT_10: 1;
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bool BIT_11: 1;
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bool BIT_12: 1;
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bool INSTR_SUM: 1; // instrument summary
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bool PROG_RUN: 1; // program running
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bool RESERVED: 1;
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};
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uint16_t u16;
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} SCPI_REG_OPER_t;
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typedef union {
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struct __attribute__((packed)) {
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bool OPC: 1; // operation complete - only for instruments with overlapping commands
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bool REQ_CONTROL: 1; // GPIB-only
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bool QUERY_ERROR: 1;
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bool DEV_ERROR: 1;
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bool EXE_ERROR: 1;
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bool CMD_ERROR: 1;
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bool USER_REQUEST: 1;
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bool POWER_ON: 1;
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};
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uint8_t u8;
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} SCPI_REG_SESR_t;
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typedef union {
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struct __attribute__((packed)) {
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bool BIT_0: 1;
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bool BIT_1: 1;
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bool ERRQ: 1; // error queue
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bool QUES: 1;
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bool MAV: 1; // message available
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bool SESR: 1;
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bool RQS: 1; // request service
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bool OPER: 1;
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};
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uint8_t u8;
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} SCPI_REG_STB_t;
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// QUESTionable register
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extern SCPI_REG_QUES_t SCPI_REG_QUES;
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extern SCPI_REG_QUES_t SCPI_REG_QUES_EN; // picks what to use for the STB bit
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// OPERation status register
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extern SCPI_REG_OPER_t SCPI_REG_OPER;
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extern SCPI_REG_OPER_t SCPI_REG_OPER_EN; // picks what to use for the STB bit
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// Standard Event Status register
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extern SCPI_REG_SESR_t SCPI_REG_SESR;
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extern SCPI_REG_SESR_t SCPI_REG_SESR_EN; // ESE
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// Status byte
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extern SCPI_REG_STB_t SCPI_REG_STB;
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extern SCPI_REG_STB_t SCPI_REG_SRE; // SRE
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void scpi_status_update(void);
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extern __attribute__((weak)) void scpi_service_request_impl(void);
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