+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2013, 2014 Matthias Heidbrink <m-sigrok@heidbrink.biz>
- *
- * 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
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/** @file
- * Gossen Metrawatt Metrahit 1x/2x drivers
- * @internal
- */
-
-#include <math.h>
-#include <string.h>
-#include "protocol.h"
-
-/* Internal Headers */
-static guchar calc_chksum_14(guchar* dta);
-static int chk_msg14(struct sr_dev_inst *sdi);
-
-/** Set or clear flags in devc->mqflags. */
-static void setmqf(struct dev_context *devc, uint64_t flags, gboolean set)
-{
- if (set)
- devc->mqflags |= flags;
- else
- devc->mqflags &= ~flags;
-}
-
-/** Decode current type and measured value, Metrahit 12-16. */
-static void decode_ctmv_16(uint8_t ctmv, struct dev_context *devc)
-{
- devc->mq = 0;
- devc->unit = 0;
- devc->mqflags = 0;
-
- switch (ctmv) {
- case 0x00: /* 0000 - */
- break;
- case 0x01: /* 0001 mV DC */
- devc->scale1000 = -1; /* Fall through */
- case 0x02: /* 0010 V DC */
- case 0x03: /* 0011 V AC+DC */
- case 0x04: /* 0100 V AC */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_VOLT;
- if (ctmv <= 0x03)
- devc->mqflags |= SR_MQFLAG_DC;
- if (ctmv >= 0x03) {
- devc->mqflags |= SR_MQFLAG_AC;
- if (devc->model >= METRAHIT_16S)
- devc->mqflags |= SR_MQFLAG_RMS;
- }
- break;
- case 0x05: /* 0101 Hz (15S/16S only) */
- case 0x06: /* 0110 kHz (15S/16S only) */
- devc->mq = SR_MQ_FREQUENCY;
- devc->unit = SR_UNIT_HERTZ;
- if (ctmv == 0x06)
- devc->scale1000 = 1;
- break;
- case 0x07: /* 0111 % (15S/16S only) */
- devc->mq = SR_MQ_DUTY_CYCLE;
- devc->unit = SR_UNIT_PERCENTAGE;
- break;
- case 0x08: /* 1000 Diode */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_VOLT;
- devc->mqflags |= SR_MQFLAG_DIODE;
- break;
- case 0x09: /* 1001 Ohm, °C */
- case 0x0a: /* 1010 kOhm */
- case 0x0b: /* 1011 MOhm */
- devc->mq = SR_MQ_RESISTANCE; /* Changed to temp. later if req.*/
- devc->unit = SR_UNIT_OHM;
- devc->scale1000 = ctmv - 0x09;
- break;
- case 0x0c: /* 1100 nF (15S/16S only) */
- case 0x0d: /* 1101 µF (15S/16S only) */
- devc->mq = SR_MQ_CAPACITANCE;
- devc->unit = SR_UNIT_FARAD;
- if (ctmv == 0x0c)
- devc->scale1000 = -3;
- else
- devc->scale1000 = -2;
- break;
- case 0x0e: /* mA, µA */
- devc->scale1000 = -1; /* Fall through. */
- case 0x0f: /* A */
- devc->mq = SR_MQ_CURRENT;
- devc->unit = SR_UNIT_AMPERE;
- if (devc->model == METRAHIT_16S)
- devc->mqflags |= SR_MQFLAG_RMS;
- /* 16I A only with clamp, RMS questionable. */
- break;
- }
-}
-
-/**
- * Decode range/sign/acdc byte special chars (Metrahit 12-16).
- *
- * @param[in] rs Range and sign byte.
- */
-static void decode_rs_16(uint8_t rs, struct dev_context *devc)
-{
- sr_spew("decode_rs_16(%d) scale = %f", rs, devc->scale);
-
- if (rs & 0x04) /* Sign */
- devc->scale *= -1.0;
-
- if (devc->mq == SR_MQ_CURRENT) {
- if (rs & 0x08) /* Current is AC */
- devc->mqflags |= SR_MQFLAG_AC;
- else
- devc->mqflags |= SR_MQFLAG_DC;
- }
-
- switch (rs & 0x03) {
- case 0:
- if (devc->mq == SR_MQ_VOLTAGE) /* V */
- devc->scale *= 0.1;
- else if (devc->mq == SR_MQ_CURRENT) /* 000.0 µA */
- devc->scale *= 0.00001;
- else if (devc->mq == SR_MQ_RESISTANCE) {
- if (devc->buflen >= 10) {
- /* °C with 10 byte msg type, otherwise GOhm. */
- devc->mq = SR_MQ_TEMPERATURE;
- devc->unit = SR_UNIT_CELSIUS;
- devc->scale *= 0.01;
- } else if (devc->scale1000 == 2) {
- /* 16I Iso 500/1000V 3 GOhm */
- devc->scale *= 0.1;
- }
- }
- break;
- case 1:
- devc->scale *= 0.0001;
- break;
- case 2:
- devc->scale *= 0.001;
- break;
- case 3:
- devc->scale *= 0.01;
- break;
- }
-}
-
-/**
- * Decode special chars, Metrahit 12-16.
- *
- * @param[in] spc Special characters 1 and 2 (s1 | (s2 << 4)).
- */
-static void decode_spc_16(uint8_t spc, struct dev_context *devc)
-{
- /* xxxx1xxx ON */
- /* TODO: What does that mean? Power on? The 16I sets this. */
- /* xxxxx1xx BEEP */
- /* xxxxxx1x Low battery */
- /* xxxxxxx1 FUSE */
- /* 1xxxxxxx MIN */
- setmqf(devc, SR_MQFLAG_MIN, spc & 0x80);
-
- /* x1xxxxxx MAN */
- setmqf(devc, SR_MQFLAG_AUTORANGE, !(spc & 0x40));
-
- /* xx1xxxxx DATA */
- setmqf(devc, SR_MQFLAG_HOLD, spc & 0x20);
-
- /* xxx1xxxx MAX */
- setmqf(devc, SR_MQFLAG_MAX, spc & 0x10);
-}
-
-/** Decode current type and measured value, Metrahit 18. */
-static void decode_ctmv_18(uint8_t ctmv, struct dev_context *devc)
-{
- devc->mq = 0;
- devc->unit = 0;
- devc->mqflags = 0;
-
- switch (ctmv) {
- case 0x00: /* 0000 - */
- break;
- case 0x01: /* 0001 V AC */
- case 0x02: /* 0010 V AC+DC */
- case 0x03: /* 0011 V DC */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_VOLT;
- if (ctmv <= 0x02)
- devc->mqflags |= (SR_MQFLAG_AC | SR_MQFLAG_RMS);
- if (ctmv >= 0x02)
- devc->mqflags |= SR_MQFLAG_DC;
- break;
- case 0x04: /* 0100 Ohm/Ohm with buzzer */
- devc->mq = SR_MQ_RESISTANCE;
- devc->unit = SR_UNIT_OHM;
- break;
- case 0x05: /* 0101 Diode/Diode with buzzer */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_VOLT;
- devc->mqflags |= SR_MQFLAG_DIODE;
- break;
- case 0x06: /* 0110 °C */
- devc->mq = SR_MQ_TEMPERATURE;
- devc->unit = SR_UNIT_CELSIUS;
- break;
- case 0x07: /* 0111 F */
- devc->mq = SR_MQ_CAPACITANCE;
- devc->unit = SR_UNIT_FARAD;
- break;
- case 0x08: /* 1000 mA DC */
- case 0x09: /* 1001 A DC */
- case 0x0a: /* 1010 mA AC+DC */
- case 0x0b: /* 1011 A AC+DC */
- devc->mq = SR_MQ_CURRENT;
- devc->unit = SR_UNIT_AMPERE;
- devc->mqflags |= SR_MQFLAG_DC;
- if (ctmv >= 0x0a)
- devc->mqflags |= (SR_MQFLAG_AC | SR_MQFLAG_RMS);
- if ((ctmv == 0x08) || (ctmv == 0x0a))
- devc->scale1000 = -1;
- break;
- case 0x0c: /* 1100 Hz */
- devc->mq = SR_MQ_FREQUENCY;
- devc->unit = SR_UNIT_HERTZ;
- break;
- case 0x0d: /* 1101 dB */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_DECIBEL_VOLT;
- devc->mqflags |= SR_MQFLAG_AC; /* dB available for AC only */
- break;
- case 0x0e: /* 1110 Events AC, Events AC+DC. Actually delivers just
- * current voltage via IR, nothing more. */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_VOLT;
- devc->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_DC | SR_MQFLAG_RMS;
- break;
- case 0x0f: /* 1111 Clock */
- devc->mq = SR_MQ_TIME;
- devc->unit = SR_UNIT_SECOND;
- devc->mqflags |= SR_MQFLAG_DURATION;
- break;
- }
-}
-
-/**
- * Decode range/sign/acdc byte special chars, Metrahit 18.
- *
- * @param[in] rs Rance/sign byte.
- */
-static void decode_rs_18(uint8_t rs, struct dev_context *devc)
-{
- int range;
-
- /* Sign */
- if (((devc->scale > 0) && (rs & 0x08)) ||
- ((devc->scale < 0) && !(rs & 0x08)))
- devc->scale *= -1.0;
-
- /* Range */
- range = rs & 0x07;
- switch (devc->mq) {
- case SR_MQ_VOLTAGE:
- if (devc->unit == SR_UNIT_DECIBEL_VOLT) {
- devc->scale *= pow(10.0, -2);
- /*
- * When entering relative mode, the device switches
- * from 10 byte to 6 byte msg format. Unfortunately
- * it switches back to 10 byte when the second value
- * is measured, so that's not sufficient to
- * identify relative mode.
- */
- }
- else if (devc->vmains_29S)
- devc->scale *= pow(10.0, range - 2);
- else
- devc->scale *= pow(10.0, range - 5);
- break;
- case SR_MQ_CURRENT:
- if (devc->scale1000 == -1)
- devc->scale *= pow(10.0, range - 5);
- else
- devc->scale *= pow(10.0, range - 4);
- break;
- case SR_MQ_RESISTANCE:
- devc->scale *= pow(10.0, range - 2);
- break;
- case SR_MQ_FREQUENCY:
- devc->scale *= pow(10.0, range - 2);
- break;
- case SR_MQ_TEMPERATURE:
- devc->scale *= pow(10.0, range - 2);
- break;
- case SR_MQ_CAPACITANCE:
- devc->scale *= pow(10.0, range - 13);
- break;
- /* TODO: 29S Mains measurements. */
- }
-}
-
-/**
- * Decode special chars, Metrahit 18.
- *
- * @param[in] spc Special characters 1 and 2 (s1 | (s2 << 4)).
- */
-static void decode_spc_18(uint8_t spc, struct dev_context *devc)
-{
- /* xxxx1xxx ZERO */
- /* xxxxx1xx BEEP */
- /* xxxxxx1x Low battery */
- /* xxxxxxx1 Fuse */
-
- if (devc->mq == SR_MQ_TIME) {
- /* xxx1xxxx Clock running: 1; stop: 0 */
- sr_spew("Clock running: %d", spc >> 4);
- } else {
- /* 1xxxxxxx MAN */
- setmqf(devc, SR_MQFLAG_AUTORANGE, !(spc & 0x80));
-
- /* x1xxxxxx MIN */
- setmqf(devc, SR_MQFLAG_MIN, spc & 0x40);
-
- /* xx1xxxxx MAX */
- setmqf(devc, SR_MQFLAG_MAX, spc & 0x20);
-
- /* xxx1xxxx DATA */
- setmqf(devc, SR_MQFLAG_HOLD, spc & 0x10);
- }
-}
-
-/**
- * Decode current type and measured value, Metrahit 2x.
- *
- * @param[in] ctmv Current type and measured value (v1 | (v2 << 4)).
- */
-static void decode_ctmv_2x(uint8_t ctmv, struct dev_context *devc)
-{
- if ((ctmv > 0x1c) || (!devc)) {
- sr_err("decode_ctmv_2x(%d): invalid param(s)!", ctmv);
- return;
- }
-
- devc->mq = 0;
- devc->unit = 0;
- devc->mqflags = 0;
-
- switch (ctmv) {
- /* 00000 unused */
- case 0x01: /* 00001 V DC */
- case 0x02: /* 00010 V AC+DC */
- case 0x03: /* 00011 V AC */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_VOLT;
- if (ctmv <= 0x02)
- devc->mqflags |= SR_MQFLAG_DC;
- if (ctmv >= 0x02) {
- devc->mqflags |= SR_MQFLAG_AC;
- if (devc->model >= METRAHIT_24S)
- devc->mqflags |= SR_MQFLAG_RMS;
- }
- break;
- case 0x04: /* 00100 mA DC */
- case 0x05: /* 00101 mA AC+DC */
- devc->scale1000 = -1;
- case 0x06: /* 00110 A DC */
- case 0x07: /* 00111 A AC+DC */
- devc->mq = SR_MQ_CURRENT;
- devc->unit = SR_UNIT_AMPERE;
- devc->mqflags |= SR_MQFLAG_DC;
- if ((ctmv == 0x05) || (ctmv == 0x07)) {
- devc->mqflags |= SR_MQFLAG_AC;
- if (devc->model >= METRAHIT_24S)
- devc->mqflags |= SR_MQFLAG_RMS;
- }
- break;
- case 0x08: /* 01000 Ohm */
- devc->mq = SR_MQ_RESISTANCE;
- devc->unit = SR_UNIT_OHM;
- break;
- case 0x09: /* 01001 F */
- devc->mq = SR_MQ_CAPACITANCE;
- devc->unit = SR_UNIT_FARAD;
- devc->scale *= 0.1;
- break;
- case 0x0a: /* 01010 V dB */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_DECIBEL_VOLT;
- devc->mqflags |= SR_MQFLAG_AC;
- if (devc->model >= METRAHIT_24S)
- devc->mqflags |= SR_MQFLAG_RMS;
- break;
- case 0x0b: /* 01011 Hz U ACDC */
- case 0x0c: /* 01100 Hz U AC */
- devc->mq = SR_MQ_FREQUENCY;
- devc->unit = SR_UNIT_HERTZ;
- devc->mqflags |= SR_MQFLAG_AC;
- if (ctmv <= 0x0b)
- devc->mqflags |= SR_MQFLAG_DC;
- break;
- case 0x0d: /* 01101 W on power, mA range (29S only) */
- devc->scale *= 0.001;
- /* Fall through! */
- case 0x0e: /* 01110 W on power, A range (29S only) */
- devc->mq = SR_MQ_POWER;
- devc->unit = SR_UNIT_WATT;
- break;
- case 0x0f: /* 01111 Diode */
- case 0x10: /* 10000 Diode with buzzer (actually cont. with voltage) */
- devc->unit = SR_UNIT_VOLT;
- if (ctmv == 0x0f) {
- devc->mq = SR_MQ_VOLTAGE;
- devc->mqflags |= SR_MQFLAG_DIODE;
- } else {
- devc->mq = SR_MQ_CONTINUITY;
- devc->scale *= 0.00001;
- }
- devc->unit = SR_UNIT_VOLT;
- break;
- case 0x11: /* 10001 Ohm with buzzer */
- devc->mq = SR_MQ_CONTINUITY;
- devc->unit = SR_UNIT_OHM;
- devc->scale1000 = -1;
- break;
- case 0x12: /* 10010 Temperature */
- devc->mq = SR_MQ_TEMPERATURE;
- devc->unit = SR_UNIT_CELSIUS;
- /* This can be Fahrenheit. That is detected by range=4 later. */
- break;
- /* 0x13 10011, 0x14 10100 unsed */
- case 0x15: /* 10101 Press (29S only) */
- /* TODO: What does that mean? Possibly phase shift?
- Then we need a unit/flag for it. */
- devc->mq = SR_MQ_GAIN;
- devc->unit = SR_UNIT_PERCENTAGE;
- break;
- case 0x16: /* 10110 Pulse W (29S only) */
- /* TODO: Own unit and flag for this! */
- devc->mq = SR_MQ_POWER;
- devc->unit = SR_UNIT_WATT;
- break;
- case 0x17: /* 10111 TRMS V on mains (29S only) */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_VOLT;
- devc->mqflags |= (SR_MQFLAG_AC | SR_MQFLAG_RMS);
- devc->vmains_29S = TRUE;
- break;
- case 0x18: /* 11000 Counter (zero crossings of a signal) */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_UNITLESS;
- break;
- case 0x19: /* 11001 Events U ACDC */
- case 0x1a: /* 11010 Events U AC */
- /* TODO: No unit or flags for this yet! */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_UNITLESS;
- devc->mqflags |= SR_MQFLAG_AC;
- if (ctmv <= 0x19)
- devc->mqflags |= SR_MQFLAG_DC;
- break;
- case 0x1b: /* 11011 pulse on mains (29S only) */
- /* TODO: No unit or flags for this yet! */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_UNITLESS;
- devc->mqflags |= SR_MQFLAG_AC;
- break;
- case 0x1c: /* 11100 dropout on mains (29S only) */
- /* TODO: No unit or flags for this yet! */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_UNITLESS;
- devc->mqflags |= SR_MQFLAG_AC;
- break;
- case 0x1f: /* 11111 Undocumented: 25S in stopwatch mode.
- The value is voltage, not time, so treat it such. */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_VOLT;
- devc->mqflags |= SR_MQFLAG_DC;
- break;
- case 0x20: /* 100000 Undocumented: 25S in event count mode.
- Value is 0 anyway. */
- devc->mq = SR_MQ_VOLTAGE;
- devc->unit = SR_UNIT_UNITLESS;
- break;
- default:
- sr_err("decode_ctmv_2x(%d, ...): Unknown ctmv!", ctmv);
- break;
- }
-}
-
-/**
- * Decode range/sign/acdc byte special chars, Metrahit 2x, table TR.
- *
- * @param[in] rs Range/sign byte.
- */
-static void decode_rs_2x(uint8_t rs, struct dev_context *devc)
-{
- int range;
-
- /* Sign */
- if (((devc->scale > 0) && (rs & 0x08)) ||
- ((devc->scale < 0) && !(rs & 0x08)))
- devc->scale *= -1.0;
-
- /* Range */
- range = rs & 0x07;
- switch (devc->mq) {
- case SR_MQ_VOLTAGE:
- if (devc->unit == SR_UNIT_DECIBEL_VOLT)
- devc->scale *= pow(10.0, -3);
- else if (devc->vmains_29S)
- devc->scale *= pow(10.0, range - 2);
- else
- devc->scale *= pow(10.0, range - 6);
- break;
- case SR_MQ_CURRENT:
- if (devc->scale1000 != -1) /* uA, mA */
- range += 1;/* mA and A ranges differ by 10^4, not 10^3!*/
- devc->scale *= pow(10.0, range - 6);
- break;
- case SR_MQ_RESISTANCE:
- devc->scale *= pow(10.0, range - 3);
- break;
- case SR_MQ_FREQUENCY:
- devc->scale *= pow(10.0, range - 3);
- break;
- case SR_MQ_TEMPERATURE:
- if (range == 4) /* Indicator for °F */
- devc->unit = SR_UNIT_FAHRENHEIT;
- devc->scale *= pow(10.0, - 2);
- break;
- case SR_MQ_CAPACITANCE:
- if (range == 7)
- range -= 1; /* Same value as range 6 */
- devc->scale *= pow(10.0, range - 13);
- break;
- /* TODO: 29S Mains measurements. */
- }
-}
-
-/**
- * Decode range/sign/acdc byte special chars, Metrahit 2x, table TR 2.
- *
- * @param[in] rs Range/sign byte.
- */
-static void decode_rs_2x_TR2(uint8_t rs, struct dev_context *devc)
-{
- int range;
-
- /* Range */
- range = rs & 0x07;
- switch (devc->mq) {
- case SR_MQ_CURRENT:
- if (devc->scale1000 == -1) /* mA */
- switch(range) {
- case 0: case 1: /* 100, 300 µA */
- devc->scale *= pow(10.0, -6);
- break;
- case 2: case 3: /* 1, 3 mA */
- devc->scale *= pow(10.0, -5);
- break;
- case 4: case 5: /* 10, 30 mA */
- devc->scale *= pow(10.0, -4);
- break;
- case 6: case 7: /* 100, 300 mA */
- devc->scale *= pow(10.0, -3);
- break;
- }
- else /* A */
- switch(range) {
- case 0: case 1: /* 1, 3 A */
- devc->scale *= pow(10.0, -5);
- break;
- case 2: /* 10 A */
- devc->scale *= pow(10.0, -4);
- break;
- }
- break;
- default:
- decode_rs_2x(rs, devc);
- return;
- }
-
- /* Sign */
- if (((devc->scale > 0) && (rs & 0x08)) ||
- ((devc->scale < 0) && !(rs & 0x08)))
- devc->scale *= -1.0;
-}
-
-
-/**
- * Decode special chars (Metrahit 2x).
- *
- * @param[in] spc Special characters 1 and 2 (s1 | (s2 << 4)).
- */
-static void decode_spc_2x(uint8_t spc, struct dev_context *devc)
-{
- /* xxxxxxx1 Fuse */
-
- /* xxxxxx1x Low battery */
-
- /* xxxxx1xx BEEP */
-
- /* xxxx1xxx ZERO */
-
- /* xxx1xxxx DATA */
- setmqf(devc, SR_MQFLAG_HOLD, spc & 0x10);
-
- /* x11xxxxx unused */
- /* 1xxxxxxx MAN */
- setmqf(devc, SR_MQFLAG_AUTORANGE, !(spc & 0x80));
-}
-
-/** Clean range and sign. */
-static void clean_rs_v(struct dev_context *devc)
-{
- devc->value = 0.0;
- devc->scale = 1.0;
-}
-
-/** Clean current type, measured variable, range and sign. */
-static void clean_ctmv_rs_v(struct dev_context *devc)
-{
- devc->mq = 0;
- devc->unit = 0;
- devc->mqflags = 0;
- devc->scale1000 = 0;
- devc->vmains_29S = FALSE;
- clean_rs_v(devc);
-}
-
-/** Send prepared value. */
-static void send_value(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct sr_datafeed_analog analog;
- struct sr_datafeed_packet packet;
-
- devc = sdi->priv;
-
- memset(&analog, 0, sizeof(analog));
- analog.channels = sdi->channels;
- analog.num_samples = 1;
- analog.mq = devc->mq;
- analog.unit = devc->unit;
- analog.mqflags = devc->mqflags;
- analog.data = &devc->value;
-
- memset(&packet, 0, sizeof(packet));
- packet.type = SR_DF_ANALOG;
- packet.payload = &analog;
- sr_session_send(devc->cb_data, &packet);
-
- devc->num_samples++;
-}
-
-/** Process 6-byte data message, Metrahit 1x/2x send mode. */
-static void process_msg_dta_6(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- int cnt;
- uint8_t dgt;
-
- devc = sdi->priv;
- clean_rs_v(devc);
-
- /* Byte 0, range and sign */
- if (devc->model <= METRAHIT_16X)
- decode_rs_16(bc(devc->buf[0]), devc);
- else if (devc->model < METRAHIT_2X)
- decode_rs_18(bc(devc->buf[0]), devc);
- else {
- decode_rs_2x(bc(devc->buf[0]), devc);
- devc->scale *= 10; /* Compensate for format having only 5 digits, decode_rs_2x() assumes 6. */
- }
-
- /* Bytes 1-5, digits (ls first). */
- for (cnt = 0; cnt < 5; cnt++) {
- dgt = bc(devc->buf[1 + cnt]);
- if (dgt >= 10) {
- /* 10 Overload; on model <= 16X also 11 possible. */
- devc->value = NAN;
- devc->scale = 1.0;
- break;
- }
- devc->value += pow(10.0, cnt) * dgt;
- }
-
- sr_spew("process_msg_dta_6() value=%f scale=%f scale1000=%d",
- devc->value, devc->scale, devc->scale1000);
- if (devc->value != NAN)
- devc->value *= devc->scale * pow(1000.0, devc->scale1000);
-
- /* Create and send packet. */
- send_value(sdi);
-}
-
-/** Process 5-byte info message, Metrahit 1x/2x. */
-static void process_msg_inf_5(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- enum model model;
-
- devc = sdi->priv;
-
- clean_ctmv_rs_v(devc);
-
- /* Process byte 0 */
- model = gmc_decode_model_sm(bc(devc->buf[0]));
- if (model != devc->model) {
- sr_warn("Model mismatch in data: Detected %s, now %s",
- gmc_model_str(devc->model), gmc_model_str(model));
- }
-
- /* Process bytes 1-4 */
- if (devc->model <= METRAHIT_16X) {
- decode_ctmv_16(bc(devc->buf[1]), devc);
- decode_spc_16(bc(devc->buf[2]) | (bc(devc->buf[3]) << 4), devc);
- decode_rs_16(bc(devc->buf[4]), devc);
- } else if (devc->model <= METRAHIT_18S) {
- decode_ctmv_18(bc(devc->buf[1]), devc);
- decode_spc_18(bc(devc->buf[2]) | (bc(devc->buf[3]) << 4), devc);
- decode_rs_18(bc(devc->buf[4]), devc);
- } else { /* Must be Metrahit 2x */
- decode_ctmv_2x(bc(devc->buf[1]), devc);
- decode_spc_2x(bc(devc->buf[2]) | (bc(devc->buf[3]) << 4), devc);
- decode_rs_2x(bc(devc->buf[4]), devc);
- }
-}
-
-/** Process 10-byte info/data message, Metrahit 15+. */
-static void process_msg_inf_10(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- int cnt;
- uint8_t dgt;
-
- devc = sdi->priv;
-
- process_msg_inf_5(sdi);
-
- /* Now decode numbers */
- for (cnt = 0; cnt < 5; cnt++) {
- dgt = bc(devc->buf[5 + cnt]);
- if (dgt == 11) { /* Empty digit */
- dgt = 0;
- }
- else if (dgt >= 12) { /* Overload */
- devc->value = NAN;
- devc->scale = 1.0;
- break;
- }
- devc->value += pow(10.0, cnt) * dgt;
- }
- sr_spew("process_msg_inf_10() value=%f scale=%f scalet=%d",
- devc->value, devc->scale, devc->scale1000);
-
- if (devc->value != NAN)
- devc->value *= devc->scale * pow(1000.0, devc->scale1000);
-
- /* Create and send packet. */
- send_value(sdi);
-}
-
-/** Decode send interval (Metrahit 2x only). */
-static const char *decode_send_interval(uint8_t si)
-{
- switch (si) {
- case 0x00:
- return "0.05";
- case 0x01:
- return "0.1";
- case 0x02:
- return "0.2";
- case 0x03:
- return "0.5";
- case 0x04:
- return "00:01";
- case 0x05:
- return "00:02";
- case 0x06:
- return "00:05";
- case 0x07:
- return "00:10";
- case 0x08:
- return "00:20";
- case 0x09:
- return "00:30";
- case 0x0a:
- return "01:00";
- case 0x0b:
- return "02:00";
- case 0x0c:
- return "05:00";
- case 0x0d:
- return "10:00";
- case 0x0e:
- return "----";
- case 0x0f:
- return "data";
- default:
- return "Unknown value";
- }
-}
-
-/** Process 13-byte info/data message, Metrahit 2x. */
-static void process_msg_inf_13(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- enum model model;
- int cnt;
- uint8_t dgt;
-
- devc = sdi->priv;
-
- clean_ctmv_rs_v(devc);
-
- /* Byte 0, model. */
- model = gmc_decode_model_sm(bc(devc->buf[0]));
- if (model != devc->model) {
- sr_warn("Model mismatch in data: Detected %s, now %s",
- gmc_model_str(devc->model), gmc_model_str(model));
- }
-
- /* Bytes 1-4, 11. */
- decode_ctmv_2x(bc(devc->buf[1]) | (bc(devc->buf[11]) << 4), devc);
- decode_spc_2x(bc(devc->buf[2]) | (bc(devc->buf[3]) << 4), devc);
- decode_rs_2x(bc(devc->buf[4]), devc);
-
- /* Bytes 5-10, digits (ls first). */
- for (cnt = 0; cnt < 6; cnt++) {
- dgt = bc(devc->buf[5 + cnt]);
- if (dgt == 10) { /* Overload */
- devc->value = NAN;
- devc->scale = 1.0;
- break;
- }
- devc->value += pow(10.0, cnt) * dgt;
- }
- sr_spew("process_msg_inf_13() value=%f scale=%f scale1000=%d mq=%d "
- "unit=%d mqflags=0x%02llx", devc->value, devc->scale,
- devc->scale1000, devc->mq, devc->unit, devc->mqflags);
- if (devc->value != NAN)
- devc->value *= devc->scale * pow(1000.0, devc->scale1000);
-
- /* Byte 12, Send Interval */
- sr_spew("Send interval: %s", decode_send_interval(bc(devc->buf[12])));
-
- /* Create and send packet. */
- send_value(sdi);
-}
-
-/** Dump contents of 14-byte message.
- * @param buf Pointer to array of 14 data bytes.
- * @param[in] raw Write only data bytes, no interpretation.
- */
-void dump_msg14(guchar* buf, gboolean raw)
-{
- if (!buf)
- return;
-
- if (raw)
- sr_spew("msg14: 0x %02x %02x %02x %02x %02x %02x %02x %02x "
- "%02x %02x %02x %02x %02x %02x",
- buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
- buf[7], buf[8], buf[9], buf[10], buf[11], buf[12],
- buf[13]);
- else
- sr_spew("msg14: 0x a=%d c1=%02x c2=%02x cmd=%02x dta=%02x "
- "%02x %02x %02x %02x %02x %02x %02x %02x chs=%02x",
- buf[1] == 0x2b?buf[0] >> 2:buf[0] % 0x0f, buf[1], buf[2], buf[3], buf[4], buf[5],
- buf[6], buf[7], buf[8], buf[9], buf[10], buf[11],
- buf[12], buf[13]);
-}
-
-/** Calc checksum for 14 byte message type.
- *
- * @param[in] dta Pointer to array of 13 data bytes.
- * @return Checksum.
- */
-static guchar calc_chksum_14(guchar* dta)
-{
- guchar cnt, chs;
-
- for (chs = 0, cnt = 0; cnt < 13; cnt++)
- chs += dta[cnt];
-
- return (64 - chs) & MASK_6BITS;
-}
-
-/** Check 14-byte message, Metrahit 2x. */
-static int chk_msg14(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- int retc;
- gboolean isreq; /* Message is request to multimeter (otherwise response) */
- uint8_t addr; /* Adaptor address */
-
- retc = SR_OK;
-
- /* Check parameters and message */
- if (!sdi || !(devc = sdi->priv))
- return SR_ERR_ARG;
-
- if (devc->buflen != 14) {
- sr_err("process_msg_14(): Msg len 14 expected!");
- return SR_ERR_ARG;
- }
-
- isreq = devc->buf[1] == 0x2b;
- if (isreq)
- addr = devc->buf[0] >> 2;
- else
- addr = devc->buf[0] & 0x0f;
-
- if ((devc->addr != addr) && !(isreq && (addr == 0))) {
- sr_err("process_msg_14(): Address mismatch, msg for other device!");
- retc = SR_ERR_ARG;
- }
-
- if (devc->buf[1] == 0) { /* Error msg from device! */
- retc = SR_ERR_ARG;
- switch (devc->buf[2]) {
- case 1: /* Not used */
- sr_err("Device: Illegal error code!");
- break;
- case 2: /* Incorrect check sum of received block */
- sr_err("Device: Incorrect checksum in cmd!");
- break;
- case 3: /* Incorrect length of received block */
- sr_err("Device: Incorrect block length in cmd!");
- break;
- case 4: /* Incorrect 2nd or 3rd byte */
- sr_err("Device: Incorrect byte 2 or 3 in cmd!");
- break;
- case 5: /* Parameter out of range */
- sr_err("Device: Parameter out of range!");
- break;
- default:
- sr_err("Device: Unknown error code!");
- }
- retc = SR_ERR_ARG;
- }
- else if (!isreq && ((devc->buf[1] != 0x27) || (devc->buf[2] != 0x3f))) {
- sr_err("process_msg_14(): byte 1/2 unexpected!");
- retc = SR_ERR_ARG;
- }
-
- if (calc_chksum_14(devc->buf) != devc->buf[13]) {
- sr_err("process_msg_14(): Invalid checksum!");
- retc = SR_ERR_ARG;
- }
-
- if (retc != SR_OK)
- dump_msg14(devc->buf, TRUE);
-
- return retc;
-}
-
-/** Check 14-byte message, Metrahit 2x. */
-SR_PRIV int process_msg14(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- int retc;
- uint8_t addr;
- uint8_t cnt, dgt;
-
- if ((retc = chk_msg14(sdi)) != SR_OK)
- return retc;
-
- devc = sdi->priv;
-
- clean_ctmv_rs_v(devc);
- addr = devc->buf[0] & MASK_6BITS;
- if (addr != devc->addr)
- sr_info("Device address mismatch %d/%d!", addr, devc->addr);
-
- switch (devc->buf[3]) { /* That's the command this reply is for */
- /* 0 cannot occur, the respective message is not a 14-byte message */
- case 1: /* Read first free and occupied address */
- sr_spew("Cmd %d unimplemented!", devc->buf[3]);
- break;
- case 2: /* Clear all RAM in multimeter */
- sr_spew("Cmd %d unimplemented!", devc->buf[3]);
- break;
- case 3: /* Read firmware version and status */
- sr_spew("Cmd 3, Read firmware and status", devc->buf[3]);
- switch (devc->cmd_idx) {
- case 0:
- devc->fw_ver_maj = devc->buf[5];
- devc->fw_ver_min = devc->buf[4];
- sr_spew("Firmware version %d.%d", (int)devc->fw_ver_maj, (int)devc->fw_ver_min);
- sr_spew("Rotary Switch Position (1..10): %d", (int)devc->buf[6]);
- /** Docs say values 0..9, but that's not true */
- sr_spew("Measurement Function: %d ", (int)devc->buf[7]);
- decode_ctmv_2x(devc->buf[7], devc);
- sr_spew("Range: 0x%x", devc->buf[8]);
- decode_rs_2x_TR2(devc->buf[8] & 0x0f, devc); /* Docs wrong, uses conversion table TR_2! */
- devc->autorng = (devc->buf[8] & 0x20) == 0;
- // TODO 9, 10: 29S special functions
- devc->ubatt = 0.1 * (float)devc->buf[11];
- devc->model = gmc_decode_model_bd(devc->buf[12]);
- sr_spew("Model=%s, battery voltage=%2.1f V", gmc_model_str(devc->model), (double)devc->ubatt);
- break;
- case 1:
- sr_spew("Internal version %d.%d", (int)devc->buf[5], (int)devc->buf[4]);
- sr_spew("Comm mode: 0x%x", (int)devc->buf[6]);
- sr_spew("Block cnt%%64: %d", (int)devc->buf[7]);
- sr_spew("drpCi: %d drpCh: %d", (int)devc->buf[8], (int)devc->buf[9]);
- // Semantics undocumented. Possibly Metrahit 29S dropouts stuff?
- break;
- default:
- sr_spew("Cmd 3: Unknown cmd_idx=%d", devc->cmd_idx);
- break;
- }
- break;
- case 4: /* Set real time, date, sample rate, trigger, ... */
- sr_spew("Cmd %d unimplemented!", devc->buf[3]);
- break;
- case 5: /* Read real time, date, sample rate, trigger... */
- sr_spew("Cmd %d unimplemented!", devc->buf[3]);
- break;
- case 6: /* Set modes or power off */
- sr_spew("Cmd %d unimplemented!", devc->buf[3]);
- break;
- case 7: /* Set measurement function, range, autom/man. */
- sr_spew("Cmd %d unimplemented!", devc->buf[3]);
- break;
- case 8: /* Get one measurement value */
- sr_spew("Cmd 8, get one measurement value");
- sr_spew("Measurement Function: %d ", (int)devc->buf[5]);
- decode_ctmv_2x(devc->buf[5], devc);
- if (!(devc->buf[6] & 0x10)) /* If bit4=0, old data. */
- return SR_OK;
-
- decode_rs_2x_TR2(devc->buf[6] & 0x0f, devc); // The docs say conversion table TR_3, but that does not work
- setmqf(devc, SR_MQFLAG_AUTORANGE, devc->autorng);
- /* 6 digits */
- for (cnt = 0; cnt < 6; cnt++) {
- dgt = bc(devc->buf[7 + cnt]);
- if (dgt == 10) { /* Overload */
- devc->value = NAN;
- devc->scale = 1.0;
- break;
- }
- else if (dgt == 13) { /* FUSE */
- sr_err("FUSE!");
- }
- else if (dgt == 14) { /* Function recognition mode, OPEN */
- sr_info("Function recognition mode, OPEN!");
- devc->value = NAN;
- devc->scale = 1.0;
- break;
- }
- devc->value += pow(10.0, cnt) * dgt;
- }
- sr_spew("process_msg14() value=%f scale=%f scale1000=%d mq=%d "
- "unit=%d mqflags=0x%02llx", devc->value, devc->scale,
- devc->scale1000, devc->mq, devc->unit, devc->mqflags);
- if (devc->value != NAN)
- devc->value *= devc->scale * pow(1000.0, devc->scale1000);
-
- send_value(sdi);
-
- break;
- default:
- sr_spew("Unknown cmd %d!", devc->buf[3]);
- break;
- }
-
- return SR_OK;
-}
-
-/** Data reception callback function. */
-SR_PRIV int gmc_mh_1x_2x_receive_data(int fd, int revents, void *cb_data)
-{
- struct sr_dev_inst *sdi;
- struct dev_context *devc;
- struct sr_serial_dev_inst *serial;
- uint8_t buf, msgt;
- int len;
- gdouble elapsed_s;
-
- (void)fd;
-
- if (!(sdi = cb_data))
- return TRUE;
-
- if (!(devc = sdi->priv))
- return TRUE;
-
- serial = sdi->conn;
-
- if (revents == G_IO_IN) { /* Serial data arrived. */
- while (GMC_BUFSIZE - devc->buflen - 1 > 0) {
- len = serial_read(serial, devc->buf + devc->buflen, 1);
- if (len < 1)
- break;
- buf = *(devc->buf + devc->buflen);
- sr_spew("read 0x%02x/%d/%d", buf, buf, buf & MSGC_MASK);
- devc->buflen += len;
- if (!devc->settings_ok) {
- /*
- * If no device type/settings record processed
- * yet, wait for one.
- */
- if ((devc->buf[0] & MSGID_MASK) != MSGID_INF) {
- devc->buflen = 0;
- continue;
- }
- devc->settings_ok = TRUE;
- }
-
- msgt = devc->buf[0] & MSGID_MASK;
- switch (msgt) {
- case MSGID_INF:
- if (devc->buflen == 13) {
- process_msg_inf_13(sdi);
- devc->buflen = 0;
- continue;
- } else if ((devc->buflen == 10) &&
- (devc->model <= METRAHIT_18S)) {
- process_msg_inf_10(sdi);
- devc->buflen = 0;
- continue;
- }
- else if ((devc->buflen >= 5) &&
- (devc->buf[devc->buflen - 1] &
- MSGID_MASK) != MSGID_DATA) {
- /*
- * Char just received is beginning
- * of next message.
- */
- process_msg_inf_5(sdi);
- devc->buf[0] =
- devc->buf[devc->buflen - 1];
- devc->buflen = 1;
- continue;
- }
- break;
- case MSGID_DTA:
- case MSGID_D10:
- if (devc->buflen == 6) {
- process_msg_dta_6(sdi);
- devc->buflen = 0;
- }
- break;
- case MSGID_DATA:
- sr_err("Comm error, unexpected data byte!");
- devc->buflen = 0;
- break;
- }
- }
- }
-
- /* If number of samples or time limit reached, stop acquisition. */
- if (devc->limit_samples && (devc->num_samples >= devc->limit_samples))
- sdi->driver->dev_acquisition_stop(sdi, cb_data);
-
- if (devc->limit_msec) {
- elapsed_s = g_timer_elapsed(devc->elapsed_msec, NULL);
- if ((elapsed_s * 1000) >= devc->limit_msec)
- sdi->driver->dev_acquisition_stop(sdi, cb_data);
- }
-
- return TRUE;
-}
-
-SR_PRIV int gmc_mh_2x_receive_data(int fd, int revents, void *cb_data)
-{
- struct sr_dev_inst *sdi;
- struct dev_context *devc;
- struct sr_serial_dev_inst *serial;
- uint8_t buf;
- int len;
- gdouble elapsed_s;
-
- (void)fd;
-
- if (!(sdi = cb_data))
- return TRUE;
-
- if (!(devc = sdi->priv))
- return TRUE;
-
- serial = sdi->conn;
-
- if (revents == G_IO_IN) { /* Serial data arrived. */
- while (GMC_BUFSIZE - devc->buflen - 1 > 0) {
- len = serial_read(serial, devc->buf + devc->buflen, 1);
- if (len < 1)
- break;
- buf = *(devc->buf + devc->buflen);
- sr_spew("read 0x%02x/%d/%d", buf, buf, buf & MASK_6BITS);
- devc->buf[devc->buflen] &= MASK_6BITS;
- devc->buflen += len;
-
- if (devc->buflen == 14) {
- devc->response_pending = FALSE;
- sr_spew("gmc_mh_2x_receive_data processing msg");
- process_msg14(sdi);
- devc->buflen = 0;
- }
- }
- }
-
- /* If number of samples or time limit reached, stop acquisition. */
- if (devc->limit_samples && (devc->num_samples >= devc->limit_samples))
- sdi->driver->dev_acquisition_stop(sdi, cb_data);
-
- if (devc->limit_msec) {
- elapsed_s = g_timer_elapsed(devc->elapsed_msec, NULL);
- if ((elapsed_s * 1000) >= devc->limit_msec)
- sdi->driver->dev_acquisition_stop(sdi, cb_data);
- }
-
- /* Request next data set, if required */
- if (sdi->status == SR_ST_ACTIVE) {
- if (devc->response_pending) {
- gint64 elapsed_us = g_get_monotonic_time() - devc->req_sent_at;
- if (elapsed_us > 1*1000*1000) /* Timeout! */
- devc->response_pending = FALSE;
- }
- if (!devc->response_pending) {
- devc->cmd_seq++;
- if (devc->cmd_seq % 10 == 0) {
- if (req_stat14(sdi, FALSE) != SR_OK)
- return FALSE;
- }
- else if (req_meas14(sdi) != SR_OK)
- return FALSE;
- }
- }
-
- return TRUE;
-}
-
-/** Create 14 (42) byte command for Metrahit 2x multimeter in bidir mode.
- *
- * Actually creates 42 bytes due to the encoding method used.
- * @param[in] addr Device address (0=adapter, 1..15 multimeter; for byte 0).
- * @param[in] func Function code (byte 3).
- * @param[in] params Further parameters (9 bytes)
- * @param[out] buf Buffer to create msg in (42 bytes).
- */
-void create_cmd_14(guchar addr, guchar func, guchar* params, guchar* buf)
-{
- uint8_t dta[14]; /* Unencoded message */
- int cnt;
-
- if (!params || !buf)
- return;
-
- /* 0: Address */
- dta[0] = ((addr << 2) | 0x03) & MASK_6BITS;
-
- /* 1-3: Set command header */
- dta[1] = 0x2b;
- dta[2] = 0x3f;
- dta[3] = func;
-
- /* 4-12: Copy further parameters */
- for (cnt = 0; cnt < 9; cnt++)
- dta[cnt+4] = (params[cnt] & MASK_6BITS);
-
- /* 13: Checksum (b complement) */
- dta[13] = calc_chksum_14(dta);
-
- /* The whole message is packed into 3 bytes per byte now (lower 6 bits only) the most
- * peculiar way I have ever seen. Possibly to improve IR communication? */
- for (cnt = 0; cnt < 14; cnt++) {
- buf[3*cnt] = (dta[cnt] & 0x01 ? 0x0f : 0) | (dta[cnt] & 0x02 ? 0xf0 : 0);
- buf[3*cnt + 1] = (dta[cnt] & 0x04 ? 0x0f : 0) | (dta[cnt] & 0x08 ? 0xf0 : 0);
- buf[3*cnt + 2] = (dta[cnt] & 0x10 ? 0x0f : 0) | (dta[cnt] & 0x20 ? 0xf0 : 0);
- }
-}
-
-/** Request one measurement from 2x multimeter (msg 8).
- *
- */
-int req_meas14(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct sr_serial_dev_inst *serial;
- uint8_t params[9];
- uint8_t msg[42];
-
- if (!sdi || !(devc = sdi->priv) || !(serial = sdi->conn))
- return SR_ERR;
-
- memset(params, 0, sizeof(params));
- params[0] = 0;
- devc->cmd_idx = 0;
- create_cmd_14(devc->addr, 8, params, msg);
- devc->req_sent_at = g_get_monotonic_time();
- if (serial_write(serial, msg, sizeof(msg)) == -1) {
- return SR_ERR;
- }
-
- devc->response_pending = TRUE;
-
- return SR_OK;
-}
-
-/** Request status from 2x multimeter (msg 3).
- * @param[in] power_on Try to power on powered off multimeter by sending additional messages.
- */
-int req_stat14(const struct sr_dev_inst *sdi, gboolean power_on)
-{
- struct dev_context *devc;
- struct sr_serial_dev_inst *serial;
- uint8_t params[9];
- uint8_t msg[42];
-
- if (!sdi || !(devc = sdi->priv) || !(serial = sdi->conn))
- return SR_ERR;
-
- memset(params, 0, sizeof(params));
- params[0] = 0;
- devc->cmd_idx = 0;
- create_cmd_14(devc->addr, 3, params, msg);
-
- if (power_on) {
- sr_info("Write some data and wait 3s to turn on powered off device...");
- if (serial_write(serial, msg, sizeof(msg)) < 0)
- return SR_ERR;
- g_usleep(1*1000*1000);
- if (serial_write(serial, msg, sizeof(msg)) < 0)
- return SR_ERR;
- g_usleep(1*1000*1000);
- if (serial_write(serial, msg, sizeof(msg)) < 0)
- return SR_ERR;
- g_usleep(1*1000*1000);
- serial_flush(serial);
- }
-
- /* Write message and wait for reply */
- devc->req_sent_at = g_get_monotonic_time();
- if (serial_write(serial, msg, sizeof(msg)) == -1) {
- return SR_ERR;
- }
-
- devc->response_pending = TRUE;
-
- return SR_OK;
-}
-
-/** Decode model in "send mode".
- *
- * @param[in] mcode Model code.
- * @return Model code.
- */
-SR_PRIV int gmc_decode_model_sm(uint8_t mcode)
-{
- if (mcode > 0xf) {
- sr_err("decode_model(%d): Model code 0..15 expected!", mcode);
- return METRAHIT_NONE;
- }
-
- switch(mcode) {
- case 0x04: /* 0100b */
- return METRAHIT_12S;
- case 0x08: /* 1000b */
- return METRAHIT_13S14A;
- case 0x09: /* 1001b */
- return METRAHIT_14S;
- case 0x0A: /* 1010b */
- return METRAHIT_15S;
- case 0x0B: /* 1011b */
- return METRAHIT_16S;
- case 0x06: /* 0110b (undocumented by GMC!) */
- return METRAHIT_16I;
- case 0x07: /* 0111b (undocumented by GMC!) */
- return METRAHIT_16T;
- case 0x0D: /* 1101b */
- return METRAHIT_18S;
- case 0x02: /* 0010b */
- return METRAHIT_22SM;
- case 0x03: /* 0011b */
- return METRAHIT_23S;
- case 0x0F: /* 1111b */
- return METRAHIT_24S;
- case 0x05: /* 0101b */
- return METRAHIT_25S;
- case 0x01: /* 0001b */
- return METRAHIT_26SM;
- case 0x0C: /* 1100b */
- return METRAHIT_28S;
- case 0x0E: /* 1110b */
- return METRAHIT_29S;
- default:
- sr_err("Unknown model code %d!", mcode);
- return METRAHIT_NONE;
- }
-}
-
-/** Convert GMC model code in bidirectional mode to sigrok-internal one.
- *
- * @param[in] mcode Model code.
- *
- * @return Model code.
- */
-SR_PRIV int gmc_decode_model_bd(uint8_t mcode)
-{
- switch (mcode & 0x1f) {
- case 2:
- if (mcode & 0x20)
- return METRAHIT_22M;
- else
- return METRAHIT_22S;
- case 3:
- return METRAHIT_23S;
- case 4:
- return METRAHIT_24S;
- case 5:
- return METRAHIT_25S;
- case 1:
- if (mcode & 0x20)
- return METRAHIT_26M;
- else
- return METRAHIT_26S;
- case 12:
- return METRAHIT_28S;
- case 14:
- return METRAHIT_29S;
- default:
- sr_err("Unknown model code %d!", mcode);
- return METRAHIT_NONE;
- }
-}
-
-/** Convert sigrok-internal model code to string.
- *
- * @param[in] mcode Model code.
- *
- * @return Model code string.
- */
-SR_PRIV const char *gmc_model_str(enum model mcode)
-{
- switch (mcode) {
- case METRAHIT_NONE:
- return "-uninitialized model variable-";
- case METRAHIT_12S:
- return "METRAHit 12S";
- case METRAHIT_13S14A:
- return "METRAHit 13S/14A";
- case METRAHIT_14S:
- return "METRAHit 14S";
- case METRAHIT_15S:
- return "METRAHit 15S";
- case METRAHIT_16S:
- return "METRAHit 16S";
- case METRAHIT_16I:
- return "METRAHit 16I/16L";
- case METRAHIT_16T:
- return "METRAHit 16T/16U/KMM2002";
- case METRAHIT_18S:
- return "METRAHit 18S";
- case METRAHIT_22SM:
- return "METRAHit 22S/M";
- case METRAHIT_22S:
- return "METRAHit 22S";
- case METRAHIT_22M:
- return "METRAHit 22M";
- case METRAHIT_23S:
- return "METRAHit 23S";
- case METRAHIT_24S:
- return "METRAHit 24S";
- case METRAHIT_25S:
- return "METRAHit 25S";
- case METRAHIT_26SM:
- return "METRAHit 26S/M";
- case METRAHIT_26S:
- return "METRAHit 26S";
- case METRAHIT_26M:
- return "METRAHit 26M";
- case METRAHIT_28S:
- return "METRAHit 28S";
- case METRAHIT_29S:
- return "METRAHit 29S";
- default:
- return "Unknown model code";
- }
-}
-
-
-/** @copydoc sr_dev_driver.config_set
- */
-SR_PRIV int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- struct dev_context *devc;
- uint8_t params[9];
- uint8_t msg[42];
-
- (void)cg;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
-
- switch (key) {
- case SR_CONF_POWER_OFF:
- if (devc->model < METRAHIT_2X)
- return SR_ERR_NA;
- if (!g_variant_get_boolean(data))
- return SR_ERR;
- sr_info("Powering device off.");
-
- memset(params, 0, sizeof(params));
- params[0] = 5;
- params[1] = 5;
- create_cmd_14(devc->addr, 6, params, msg);
- if (serial_write(sdi->conn, msg, sizeof(msg)) == -1)
- return SR_ERR;
- else
- g_usleep(2000000); /* Wait to ensure transfer before interface switched off. */
- break;
- case SR_CONF_LIMIT_MSEC:
- if (g_variant_get_uint64(data) == 0) {
- sr_err("LIMIT_MSEC can't be 0.");
- return SR_ERR;
- }
- devc->limit_msec = g_variant_get_uint64(data);
- sr_dbg("Setting time limit to %" PRIu64 "ms.",
- devc->limit_msec);
- break;
- case SR_CONF_LIMIT_SAMPLES:
- devc->limit_samples = g_variant_get_uint64(data);
- sr_dbg("Setting sample limit to %" PRIu64 ".",
- devc->limit_samples);
- break;
- default:
- return SR_ERR_NA;
- }
-
- return SR_OK;
-}
projects / libsigrok.git / blobdiff