sr: Unfinished Mastech VA18B (DMM) support.

This commit is contained in:
Uwe Hermann 2012-06-20 19:56:54 +02:00
parent b908f067f2
commit eb1f1eb407
5 changed files with 437 additions and 1 deletions

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@ -162,6 +162,16 @@ if test "x$HW_HANTEK_DSO" = "xyes"; then
AC_DEFINE(HAVE_HW_HANTEK_DSO, 1, [Hantek DSO support])
fi
AC_ARG_ENABLE(mastech-va18b,
AC_HELP_STRING([--enable-mastech-va18b],
[enable Mastech VA18B support [default=yes]]),
[HW_MASTECH_VA18B="$enableval"],
[HW_MASTECH_VA18B=yes])
AM_CONDITIONAL(HW_MASTECH_VA18B, test x$HW_MASTECH_VA18B = xyes)
if test "x$HW_MASTECH_VA18B" = "xyes"; then
AC_DEFINE(HAVE_HW_MASTECH_VA18B, 1, [Mastech VA18B support])
fi
# Checks for libraries.
# This variable collects the pkg-config names of all detected libs.
@ -276,6 +286,7 @@ AC_CONFIG_FILES([Makefile
hardware/openbench-logic-sniffer/Makefile
hardware/zeroplus-logic-cube/Makefile
hardware/hantek-dso/Makefile
hardware/mastech-va18b/Makefile
input/Makefile
output/Makefile
output/text/Makefile
@ -317,5 +328,6 @@ echo " - Link MSO-19..................... $LA_LINK_MSO19"
echo " - Openbench Logic Sniffer......... $LA_OLS"
echo " - ZEROPLUS Logic Cube............. $LA_ZEROPLUS_LOGIC_CUBE"
echo " - Hantek DSO...................... $HW_HANTEK_DSO"
echo " - Mastech VA18B................... $HW_MASTECH_VA18B"
echo

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@ -27,7 +27,8 @@ SUBDIRS = \
link-mso19 \
openbench-logic-sniffer \
zeroplus-logic-cube \
hantek-dso
hantek-dso \
mastech-va18b
noinst_LTLIBRARIES = libsigrokhardware.la
@ -72,3 +73,7 @@ if HW_HANTEK_DSO
libsigrokhardware_la_LIBADD += hantek-dso/libsigrokhw_hantek_dso.la
endif
if HW_MASTECH_VA18B
libsigrokhardware_la_LIBADD += mastech-va18b/libsigrokhw_mastech_va18b.la
endif

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@ -0,0 +1,32 @@
##
## This file is part of the sigrok project.
##
## Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
##
## 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 2 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, write to the Free Software
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
##
if HW_MASTECH_VA18B
# Local lib, this is NOT meant to be installed!
noinst_LTLIBRARIES = libsigrokhw_mastech_va18b.la
libsigrokhw_mastech_va18b_la_SOURCES = \
api.c
libsigrokhw_mastech_va18b_la_CFLAGS = \
-I$(top_srcdir)
endif

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@ -0,0 +1,381 @@
/*
* This file is part of the sigrok project.
*
* Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdlib.h>
#include "sigrok.h"
#include "sigrok-internal.h"
#define MIN_NUM_SAMPLES 1
struct context {
uint64_t limit_samples;
uint64_t limit_msec; /* TODO: Implement. */
uint64_t num_samples;
void *session_dev_id;
};
static const int hwcaps[] = {
SR_HWCAP_OSCILLOSCOPE,
SR_HWCAP_LIMIT_SAMPLES,
// SR_HWCAP_LIMIT_MSEC,
// SR_HWCAP_CONTINUOUS,
0,
};
static const char *probe_names[] = {
"Probe",
NULL,
};
static GSList *dev_insts = NULL;
/* Function prototypes. */
static int hw_dev_acquisition_stop(int dev_index, void *cb_data);
static int hw_init(const char *devinfo)
{
struct sr_dev_inst *sdi;
struct context *ctx;
int devcnt = 0;
/* Avoid compiler warnings. */
(void)devinfo; /* TODO: This specifies the serial port to use. */
if (!(ctx = g_try_malloc0(sizeof(struct context)))) {
sr_err("va18b: %s: ctx malloc failed.", __func__);
return 0;
}
ctx->limit_samples = 0;
ctx->limit_msec = 0;
ctx->num_samples = 0;
ctx->session_dev_id = NULL;
if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_ACTIVE,
"Mastech", "VA18B", ""))) {
sr_err("va18b: %s: sr_dev_inst_new returned NULL.", __func__);
return 0;
}
sdi->priv = ctx;
dev_insts = g_slist_append(dev_insts, sdi);
devcnt = 1;
return devcnt;
}
static int hw_dev_open(int dev_index)
{
/* Avoid compiler warnings. */
(void)dev_index;
/* TODO. */
return SR_OK;
}
static int hw_dev_close(int dev_index)
{
/* Avoid compiler warnings. */
(void)dev_index;
/* TODO. */
return SR_OK;
}
static int hw_cleanup(void)
{
GSList *l;
struct sr_dev_inst *sdi;
struct context *ctx;
/* Properly close and free all devices. */
for (l = dev_insts; l; l = l->next) {
if (!(sdi = l->data)) {
/* Log error, but continue cleaning up the rest. */
sr_err("va18b: %s: sdi was NULL, continuing.",
__func__);
continue;
}
if (!(ctx = sdi->priv)) {
/* Log error, but continue cleaning up the rest. */
sr_err("va18b: %s: sdi->priv was NULL, continuing.",
__func__);
continue;
}
/* TODO. */
sr_dev_inst_free(sdi);
}
g_slist_free(dev_insts);
dev_insts = NULL;
return SR_OK;
}
static const void *hw_dev_info_get(int dev_index, int dev_info_id)
{
struct sr_dev_inst *sdi;
struct context *ctx;
const void *info;
uint64_t tmp;
int tmpint;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) {
sr_err("va18b: %s: sdi was NULL.", __func__);
return NULL;
}
if (!(ctx = sdi->priv)) {
sr_err("va18b: %s: sdi->priv was NULL.", __func__);
return NULL;
}
sr_spew("va18b: %s: dev_index %d, dev_info_id %d.", __func__,
dev_index, dev_info_id);
switch (dev_info_id) {
case SR_DI_INST:
info = sdi;
sr_spew("va18b: %s: Returning sdi.", __func__);
break;
case SR_DI_NUM_PROBES:
tmpint = 1;
info = (int *)tmpint;
sr_spew("va18b: %s: Returning number of probes: 1.", __func__);
break;
case SR_DI_PROBE_NAMES:
info = probe_names;
sr_spew("va18b: %s: Returning probenames.", __func__);
break;
case SR_DI_CUR_SAMPLERATE:
/* FIXME */
tmp = 1;
info = (uint64_t *)&tmp;
sr_spew("va18b: %s: Returning samplerate: %" PRIu64 "Hz.",
__func__, tmp);
break;
default:
/* Unknown device info ID, return NULL. */
sr_err("va18b: %s: Unknown device info ID: %d.",
__func__, dev_info_id);
info = NULL;
break;
}
return info;
}
static int hw_dev_status_get(int dev_index)
{
struct sr_dev_inst *sdi;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) {
sr_err("va18b: %s: sdi was NULL, device not found.", __func__);
return SR_ST_NOT_FOUND;
}
sr_dbg("va18b: Returning status: %d.", sdi->status);
return sdi->status;
}
static const int *hw_hwcap_get_all(void)
{
sr_spew("va18b: Returning list of device capabilities.");
return hwcaps;
}
static int hw_dev_config_set(int dev_index, int hwcap, const void *value)
{
struct sr_dev_inst *sdi;
struct context *ctx;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) {
sr_err("va18b: %s: sdi was NULL.", __func__);
return SR_ERR_BUG;
}
if (!(ctx = sdi->priv)) {
sr_err("va18b: %s: sdi->priv was NULL.", __func__);
return SR_ERR_BUG;
}
sr_spew("va18b: %s: dev_index %d, hwcap %d.", __func__,
dev_index, hwcap);
switch (hwcap) {
case SR_HWCAP_PROBECONFIG:
/* TODO: Required? */
break;
case SR_HWCAP_LIMIT_MSEC:
if (*(const uint64_t *)value == 0) {
sr_err("va18b: %s: LIMIT_MSEC can't be 0.", __func__);
return SR_ERR;
}
ctx->limit_msec = *(const uint64_t *)value;
sr_dbg("va18b: Setting LIMIT_MSEC to %" PRIu64 ".",
ctx->limit_msec);
break;
case SR_HWCAP_LIMIT_SAMPLES:
if (*(const uint64_t *)value < MIN_NUM_SAMPLES) {
sr_err("va18b: %s: LIMIT_SAMPLES too small.", __func__);
return SR_ERR;
}
ctx->limit_samples = *(const uint64_t *)value;
sr_dbg("va18b: Setting LIMIT_SAMPLES to %" PRIu64 ".",
ctx->limit_samples);
break;
default:
/* Unknown capability, return SR_ERR. */
sr_err("va18b: %s: Unknown capability: %d.", __func__, hwcap);
return SR_ERR;
break;
}
return SR_OK;
}
static int receive_data(int fd, int revents, void *cb_data)
{
struct sr_dev_inst *sdi;
struct sr_datafeed_packet packet;
struct sr_datafeed_analog analog;
struct context *ctx;
int num_probes;
/* Avoid compiler warnings. */
(void)fd;
(void)revents;
if (!(sdi = cb_data)) {
sr_err("va18b: %s: cb_data was NULL.", __func__);
return FALSE;
}
if (!(ctx = sdi->priv)) {
sr_err("va18b: %s: sdi->priv was NULL.", __func__);
return FALSE;
}
sr_dbg("va18b: Sending SR_DF_ANALOG packet with 1 sample.");
/* TODO: timestamp. */
num_probes = 1;
packet.type = SR_DF_ANALOG;
packet.payload = &analog;
analog.num_samples = 1;
analog.mq = SR_MQ_VOLTAGE;
analog.unit = SR_UNIT_VOLT;
/* TODO: Check alloc return value. */
analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_probes);
analog.data[0] = rand() % 42; /* Transmit dummy data for now. */
sr_session_send(ctx->session_dev_id, &packet);
ctx->num_samples++;
/* Support for SR_HWCAP_LIMIT_SAMPLES. */
if (ctx->limit_samples > 0 && ctx->num_samples > ctx->limit_samples) {
hw_dev_acquisition_stop(0 /* FIXME? */, cb_data);
return FALSE;
}
return TRUE;
}
static int hw_dev_acquisition_start(int dev_index, void *cb_data)
{
struct sr_datafeed_packet packet;
struct sr_datafeed_header header;
struct sr_datafeed_meta_analog meta;
struct sr_dev_inst *sdi;
struct context *ctx;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) {
sr_err("va18b: %s: sdi was NULL.", __func__);
return SR_ERR_BUG;
}
if (!(ctx = sdi->priv)) {
sr_err("va18b: %s: sdi->priv was NULL.", __func__);
return SR_ERR_BUG;
}
sr_dbg("va18b: Starting acquisition.");
ctx->session_dev_id = cb_data;
/* Send header packet to the session bus. */
sr_dbg("va18b: Sending SR_DF_HEADER.");
packet.type = SR_DF_HEADER;
packet.payload = (uint8_t *)&header;
header.feed_version = 1;
gettimeofday(&header.starttime, NULL);
sr_session_send(ctx->session_dev_id, &packet);
/* Send metadata about the SR_DF_ANALOG packets to come. */
sr_dbg("va18b: Sending SR_DF_META_ANALOG.");
packet.type = SR_DF_META_ANALOG;
packet.payload = &meta;
meta.num_probes = 1;
sr_session_send(ctx->session_dev_id, &packet);
/* Hook up a dummy handler to receive data from the device. */
sr_source_add(-1, G_IO_IN, 0, receive_data, sdi);
return SR_OK;
}
static int hw_dev_acquisition_stop(int dev_index, void *cb_data)
{
struct sr_datafeed_packet packet;
/* Avoid compiler warnings. */
(void)dev_index;
sr_dbg("va18b: Stopping acquisition.");
/* Send end packet to the session bus. */
sr_dbg("va18b: Sending SR_DF_END.");
packet.type = SR_DF_END;
sr_session_send(cb_data, &packet);
return SR_OK;
}
SR_PRIV struct sr_dev_driver mastech_va18b_driver_info = {
.name = "mastech-va18b",
.longname = "Mastech VA18B",
.api_version = 1,
.init = hw_init,
.cleanup = hw_cleanup,
.dev_open = hw_dev_open,
.dev_close = hw_dev_close,
.dev_info_get = hw_dev_info_get,
.dev_status_get = hw_dev_status_get,
.hwcap_get_all = hw_hwcap_get_all,
.dev_config_set = hw_dev_config_set,
.dev_acquisition_start = hw_dev_acquisition_start,
.dev_acquisition_stop = hw_dev_acquisition_stop,
};

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@ -75,6 +75,9 @@ extern SR_PRIV struct sr_dev_driver fx2lafw_driver_info;
#ifdef HAVE_HW_HANTEK_DSO
extern SR_PRIV struct sr_dev_driver hantek_dso_driver_info;
#endif
#ifdef HAVE_HW_MASTECH_VA18B
extern SR_PRIV struct sr_dev_driver mastech_va18b_driver_info;
#endif
static struct sr_dev_driver *drivers_list[] = {
#ifdef HAVE_LA_DEMO
@ -103,6 +106,9 @@ static struct sr_dev_driver *drivers_list[] = {
#endif
#ifdef HAVE_HW_HANTEK_DSO
&hantek_dso_driver_info,
#endif
#ifdef HAVE_HW_MASTECH_VA18B
&mastech_va18b_driver_info,
#endif
NULL,
};