X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fhp-3478a%2Fprotocol.h;h=a6318f92c67f39f91f29ca8f296b84e8832ba8d1;hb=e1a712ca268df9c179377cf5c48ece8b87ed0ed7;hp=169166c952cf4c3a82884544b696194f73d4ab6f;hpb=7812a5c802cc78c9ec5b6373e7e1884743d6857f;p=libsigrok.git diff --git a/src/hardware/hp-3478a/protocol.h b/src/hardware/hp-3478a/protocol.h index 169166c9..a6318f92 100644 --- a/src/hardware/hp-3478a/protocol.h +++ b/src/hardware/hp-3478a/protocol.h @@ -1,7 +1,7 @@ /* * This file is part of the libsigrok project. * - * Copyright (C) 2017 Frank Stettner + * Copyright (C) 2017-2021 Frank Stettner * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -31,7 +31,7 @@ #define SB1_RANGE_BLOCK 0b00011100 #define SB1_DIGITS_BLOCK 0b00000011 -/* Status Byte 1 (Function) */ +/** Status Byte 1 (Function) */ enum sb1_function { FUNCTION_VDC = 0b00100000, FUNCTION_VAC = 0b01000000, @@ -42,7 +42,7 @@ enum sb1_function { FUNCTION_EXR = 0b11100000, }; -/* Status Byte 1 (Range V DC) */ +/** Status Byte 1 (Range V DC) */ enum sb1_range_vdc { RANGE_VDC_30MV = 0b00000100, RANGE_VDC_300MV = 0b00001000, @@ -51,7 +51,7 @@ enum sb1_range_vdc { RANGE_VDC_300V = 0b00010100, }; -/* Status Byte 1 (Range V AC) */ +/** Status Byte 1 (Range V AC) */ enum sb1_range_vac { RANGE_VAC_300MV = 0b00000100, RANGE_VAC_3V = 0b00001000, @@ -59,13 +59,13 @@ enum sb1_range_vac { RANGE_VAC_300V = 0b00010000, }; -/* Status Byte 1 (Range A) */ +/** Status Byte 1 (Range A) */ enum sb1_range_a { RANGE_A_300MA = 0b00000100, RANGE_A_3A = 0b00001000, }; -/* Status Byte 1 (Range Ohm) */ +/** Status Byte 1 (Range Ohm) */ enum sb1_range_ohm { RANGE_OHM_30R = 0b00000100, RANGE_OHM_300R = 0b00001000, @@ -76,14 +76,14 @@ enum sb1_range_ohm { RANGE_OHM_30MR = 0b00011100, }; -/* Status Byte 1 (Digits) */ +/** Status Byte 1 (Digits) */ enum sb1_digits { DIGITS_5_5 = 0b00000001, DIGITS_4_5 = 0b00000010, DIGITS_3_5 = 0b00000011, }; -/* Status Byte 2 */ +/** Status Byte 2 */ enum sb2_status { STATUS_INT_TRIGGER = (1 << 0), STATUS_AUTO_RANGE = (1 << 1), @@ -94,7 +94,7 @@ enum sb2_status { STATUS_EXT_TRIGGER = (1 << 6), }; -/* Status Byte 3 (Serial Poll Mask) */ +/** Status Byte 3 (Serial Poll Mask) */ enum sb3_srq { SRQ_BUS_AVAIL = (1 << 0), SRQ_SYNTAX_ERR = (1 << 2), @@ -104,7 +104,7 @@ enum sb3_srq { SRQ_POWER_ON = (1 << 7), }; -/* Status Byte 4 (Error) */ +/** Status Byte 4 (Error) */ enum sb4_error { ERROR_SELF_TEST = (1 << 0), ERROR_RAM_SELF_TEST = (1 << 1), @@ -114,20 +114,20 @@ enum sb4_error { ERROR_AD_LINK = (1 << 5), }; -/* Channel connector (front terminals or rear terminals. */ +/** Channel connector (front terminals or rear terminals. */ enum terminal_connector { TERMINAL_FRONT, TERMINAL_REAR, }; -/* Possible triggers */ +/** Available triggers */ enum trigger_state { TRIGGER_UNDEFINED, TRIGGER_EXTERNAL, TRIGGER_INTERNAL, }; -/* Possible line frequencies */ +/** Available line frequencies */ enum line_freq { LINE_50HZ, LINE_60HZ, @@ -138,9 +138,15 @@ 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. */ + /** + * The measurement mq flag can contain none or one of the + * following flags: AC, DC, or 4-wire. + */ + enum sr_mqflag measurement_mq_flag; + /** + * The acquisition mq flags can contain multiple flags, + * for example autoranging, RMS, etc. + */ enum sr_mqflag acquisition_mq_flags; enum sr_unit measurement_unit; int range_exp;