+++ /dev/null
-/*
- * This file is part of the sigrok project.
- *
- * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
- * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- * 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 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/>.
- */
-
-#include <glib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <string.h>
-#include <errno.h>
-#include "libsigrok.h"
-#include "libsigrok-internal.h"
-#include "protocol.h"
-
-static const int hwopts[] = {
- SR_HWOPT_CONN,
- SR_HWOPT_SERIALCOMM,
- 0,
-};
-
-static const int hwcaps[] = {
- SR_HWCAP_MULTIMETER,
- SR_HWCAP_LIMIT_SAMPLES,
- SR_HWCAP_CONTINUOUS,
- 0,
-};
-
-static const char *probe_names[] = {
- "Probe",
- NULL,
-};
-
-SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info;
-SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info;
-SR_PRIV struct sr_dev_driver metex_me31_driver_info;
-SR_PRIV struct sr_dev_driver peaktech_3410_driver_info;
-SR_PRIV struct sr_dev_driver mastech_mas345_driver_info;
-SR_PRIV struct sr_dev_driver va_va18b_driver_info;
-SR_PRIV struct sr_dev_driver metex_m3640d_driver_info;
-SR_PRIV struct sr_dev_driver peaktech_4370_driver_info;
-
-static struct sr_dev_driver *di_dt4000zc = &digitek_dt4000zc_driver_info;
-static struct sr_dev_driver *di_tp4000zc = &tekpower_tp4000zc_driver_info;
-static struct sr_dev_driver *di_me31 = &metex_me31_driver_info;
-static struct sr_dev_driver *di_3410 = &peaktech_3410_driver_info;
-static struct sr_dev_driver *di_mas345 = &mastech_mas345_driver_info;
-static struct sr_dev_driver *di_va18b = &va_va18b_driver_info;
-static struct sr_dev_driver *di_m3640d = &metex_m3640d_driver_info;
-static struct sr_dev_driver *di_4370 = &peaktech_4370_driver_info;
-
-/* After hw_init() this will point to a device-specific entry (see above). */
-static struct sr_dev_driver *di = NULL;
-
-SR_PRIV struct dmm_info dmms[] = {
- {
- "Digitek", "DT4000ZC", "2400/8n1", 2400,
- FS9721_PACKET_SIZE, NULL,
- sr_fs9721_packet_valid, sr_fs9721_parse,
- dmm_details_dt4000zc,
- },
- {
- "TekPower", "TP4000ZC", "2400/8n1", 2400,
- FS9721_PACKET_SIZE, NULL,
- sr_fs9721_packet_valid, sr_fs9721_parse,
- dmm_details_tp4000zc,
- },
- {
- "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
- METEX14_PACKET_SIZE, sr_metex14_packet_request,
- sr_metex14_packet_valid, sr_metex14_parse,
- NULL,
- },
- {
- "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
- METEX14_PACKET_SIZE, sr_metex14_packet_request,
- sr_metex14_packet_valid, sr_metex14_parse,
- NULL,
- },
- {
- "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
- METEX14_PACKET_SIZE, sr_metex14_packet_request,
- sr_metex14_packet_valid, sr_metex14_parse,
- NULL,
- },
- {
- "V&A", "VA18B", "2400/8n1", 2400,
- FS9721_PACKET_SIZE, NULL,
- sr_fs9721_packet_valid, sr_fs9721_parse,
- dmm_details_va18b,
- },
- {
- "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
- METEX14_PACKET_SIZE, sr_metex14_packet_request,
- sr_metex14_packet_valid, sr_metex14_parse,
- NULL,
- },
- {
- "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
- METEX14_PACKET_SIZE, sr_metex14_packet_request,
- sr_metex14_packet_valid, sr_metex14_parse,
- NULL,
- },
-};
-
-/* Properly close and free all devices. */
-static int clear_instances(void)
-{
- struct sr_dev_inst *sdi;
- struct drv_context *drvc;
- struct dev_context *devc;
- GSList *l;
-
- if (!(drvc = di->priv))
- return SR_OK;
-
- drvc = di->priv;
- for (l = drvc->instances; l; l = l->next) {
- if (!(sdi = l->data))
- continue;
- if (!(devc = sdi->priv))
- continue;
- sr_serial_dev_inst_free(devc->serial);
- sr_dev_inst_free(sdi);
- }
- g_slist_free(drvc->instances);
- drvc->instances = NULL;
-
- return SR_OK;
-}
-
-static int hw_init(int dmm)
-{
- struct drv_context *drvc;
-
- if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
- sr_err("Driver context malloc failed.");
- return SR_ERR_MALLOC;
- }
-
- if (dmm == DIGITEK_DT4000ZC)
- di = di_dt4000zc;
- if (dmm == TEKPOWER_TP4000ZC)
- di = di_tp4000zc;
- if (dmm == METEX_ME31)
- di = di_me31;
- if (dmm == PEAKTECH_3410)
- di = di_3410;
- if (dmm == MASTECH_MAS345)
- di = di_mas345;
- if (dmm == VA_VA18B)
- di = di_va18b;
- if (dmm == METEX_M3640D)
- di = di_m3640d;
- if (dmm == PEAKTECH_4370)
- di = di_4370;
- sr_dbg("Selected '%s' subdriver.", di->name);
-
- di->priv = drvc;
-
- return SR_OK;
-}
-
-static int hw_init_digitek_dt4000zc(void)
-{
- return hw_init(DIGITEK_DT4000ZC);
-}
-
-static int hw_init_tekpower_tp4000zc(void)
-{
- return hw_init(TEKPOWER_TP4000ZC);
-}
-
-static int hw_init_metex_me31(void)
-{
- return hw_init(METEX_ME31);
-}
-
-static int hw_init_peaktech_3410(void)
-{
- return hw_init(PEAKTECH_3410);
-}
-
-static int hw_init_mastech_mas345(void)
-{
- return hw_init(MASTECH_MAS345);
-}
-
-static int hw_init_va_va18b(void)
-{
- return hw_init(VA_VA18B);
-}
-
-static int hw_init_metex_m3640d(void)
-{
- return hw_init(METEX_M3640D);
-}
-
-static int hw_init_peaktech_4370(void)
-{
- return hw_init(PEAKTECH_4370);
-}
-
-static GSList *scan(const char *conn, const char *serialcomm, int dmm)
-{
- struct sr_dev_inst *sdi;
- struct drv_context *drvc;
- struct dev_context *devc;
- struct sr_probe *probe;
- struct sr_serial_dev_inst *serial;
- GSList *devices;
- int dropped, ret;
- size_t len;
- uint8_t buf[128];
-
- if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
- return NULL;
-
- if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
- return NULL;
-
- sr_info("Probing port %s.", conn);
-
- drvc = di->priv;
- devices = NULL;
- serial_flush(serial);
-
- /*
- * There's no way to get an ID from the multimeter. It just sends data
- * periodically, so the best we can do is check if the packets match
- * the expected format.
- */
-
- /* Let's get a bit of data and see if we can find a packet. */
- len = sizeof(buf);
-
- /* Request a packet if the DMM requires this. */
- if (dmms[dmm].packet_request) {
- if ((ret = dmms[dmm].packet_request(serial)) < 0) {
- sr_err("Failed to request packet: %d.", ret);
- return FALSE;
- }
- }
-
- ret = serial_stream_detect(serial, buf, &len, dmms[dmm].packet_size,
- dmms[dmm].packet_valid, 1000,
- dmms[dmm].baudrate);
- if (ret != SR_OK)
- goto scan_cleanup;
-
- /*
- * If we dropped more than two packets worth of data, something is
- * wrong. We shouldn't quit however, since the dropped bytes might be
- * just zeroes at the beginning of the stream. Those can occur as a
- * combination of the nonstandard cable that ships with this device and
- * the serial port or USB to serial adapter.
- */
- dropped = len - dmms[dmm].packet_size;
- if (dropped > 2 * dmms[dmm].packet_size)
- sr_warn("Had to drop too much data.");
-
- sr_info("Found device on port %s.", conn);
-
- if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, dmms[dmm].vendor,
- dmms[dmm].device, "")))
- goto scan_cleanup;
-
- if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
- sr_err("Device context malloc failed.");
- goto scan_cleanup;
- }
-
- devc->serial = serial;
-
- sdi->priv = devc;
- sdi->driver = di;
- if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
- goto scan_cleanup;
- sdi->probes = g_slist_append(sdi->probes, probe);
- drvc->instances = g_slist_append(drvc->instances, sdi);
- devices = g_slist_append(devices, sdi);
-
-scan_cleanup:
- serial_close(serial);
-
- return devices;
-}
-
-static GSList *hw_scan(GSList *options)
-{
- struct sr_hwopt *opt;
- GSList *l, *devices;
- const char *conn, *serialcomm;
- int dmm;
-
- conn = serialcomm = NULL;
- for (l = options; l; l = l->next) {
- opt = l->data;
- switch (opt->hwopt) {
- case SR_HWOPT_CONN:
- conn = opt->value;
- break;
- case SR_HWOPT_SERIALCOMM:
- serialcomm = opt->value;
- break;
- }
- }
- if (!conn)
- return NULL;
-
- if (!strcmp(di->name, "digitek-dt4000zc"))
- dmm = 0;
- if (!strcmp(di->name, "tekpower-tp4000zc"))
- dmm = 1;
- if (!strcmp(di->name, "metex-me31"))
- dmm = 2;
- if (!strcmp(di->name, "peaktech-3410"))
- dmm = 3;
- if (!strcmp(di->name, "mastech-mas345"))
- dmm = 4;
- if (!strcmp(di->name, "va-va18b"))
- dmm = 5;
- if (!strcmp(di->name, "metex-m3640d"))
- dmm = 6;
- if (!strcmp(di->name, "peaktech-4370"))
- dmm = 7;
-
- if (serialcomm) {
- /* Use the provided comm specs. */
- devices = scan(conn, serialcomm, dmm);
- } else {
- /* Try the default. */
- devices = scan(conn, dmms[dmm].conn, dmm);
- }
-
- return devices;
-}
-
-static GSList *hw_dev_list(void)
-{
- struct drv_context *drvc;
-
- drvc = di->priv;
-
- return drvc->instances;
-}
-
-static int hw_dev_open(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
-
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
-
- if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
- return SR_ERR;
-
- sdi->status = SR_ST_ACTIVE;
-
- return SR_OK;
-}
-
-static int hw_dev_close(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
-
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
-
- if (devc->serial && devc->serial->fd != -1) {
- serial_close(devc->serial);
- sdi->status = SR_ST_INACTIVE;
- }
-
- return SR_OK;
-}
-
-static int hw_cleanup(void)
-{
- clear_instances();
-
- return SR_OK;
-}
-
-static int hw_info_get(int info_id, const void **data,
- const struct sr_dev_inst *sdi)
-{
- (void)sdi;
-
- switch (info_id) {
- case SR_DI_HWOPTS:
- *data = hwopts;
- break;
- case SR_DI_HWCAPS:
- *data = hwcaps;
- break;
- case SR_DI_NUM_PROBES:
- *data = GINT_TO_POINTER(1);
- break;
- case SR_DI_PROBE_NAMES:
- *data = probe_names;
- break;
- default:
- return SR_ERR_ARG;
- }
-
- return SR_OK;
-}
-
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
- const void *value)
-{
- struct dev_context *devc;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
-
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
-
- switch (hwcap) {
- case SR_HWCAP_LIMIT_SAMPLES:
- devc->limit_samples = *(const uint64_t *)value;
- sr_dbg("Setting sample limit to %" PRIu64 ".",
- devc->limit_samples);
- break;
- default:
- sr_err("Unknown capability: %d.", hwcap);
- return SR_ERR;
- break;
- }
-
- return SR_OK;
-}
-
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
-{
- struct sr_datafeed_packet packet;
- struct sr_datafeed_header header;
- struct sr_datafeed_meta_analog meta;
- struct dev_context *devc;
- int (*receive_data)(int, int, void *) = NULL;
-
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
-
- sr_dbg("Starting acquisition.");
-
- devc->cb_data = cb_data;
-
- /*
- * Reset the number of samples to take. If we've already collected our
- * quota, but we start a new session, and don't reset this, we'll just
- * quit without acquiring any new samples.
- */
- devc->num_samples = 0;
-
- /* Send header packet to the session bus. */
- sr_dbg("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(devc->cb_data, &packet);
-
- /* Send metadata about the SR_DF_ANALOG packets to come. */
- sr_dbg("Sending SR_DF_META_ANALOG.");
- packet.type = SR_DF_META_ANALOG;
- packet.payload = &meta;
- meta.num_probes = 1;
- sr_session_send(devc->cb_data, &packet);
-
- if (!strcmp(di->name, "digitek-dt4000zc"))
- receive_data = digitek_dt4000zc_receive_data;
- if (!strcmp(di->name, "tekpower-tp4000zc"))
- receive_data = tekpower_tp4000zc_receive_data;
- if (!strcmp(di->name, "metex-me31"))
- receive_data = metex_me31_receive_data;
- if (!strcmp(di->name, "peaktech-3410"))
- receive_data = peaktech_3410_receive_data;
- if (!strcmp(di->name, "mastech-mas345"))
- receive_data = mastech_mas345_receive_data;
- if (!strcmp(di->name, "va-va18b"))
- receive_data = va_va18b_receive_data;
- if (!strcmp(di->name, "metex-m3640d"))
- receive_data = metex_m3640d_receive_data;
- if (!strcmp(di->name, "peaktech-4370"))
- receive_data = peaktech_4370_receive_data;
-
- /* Poll every 50ms, or whenever some data comes in. */
- sr_source_add(devc->serial->fd, G_IO_IN, 50,
- receive_data, (void *)sdi);
-
- return SR_OK;
-}
-
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
-{
- struct sr_datafeed_packet packet;
- struct dev_context *devc;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
-
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
-
- sr_dbg("Stopping acquisition.");
-
- sr_source_remove(devc->serial->fd);
- hw_dev_close((struct sr_dev_inst *)sdi);
-
- /* Send end packet to the session bus. */
- sr_dbg("Sending SR_DF_END.");
- packet.type = SR_DF_END;
- sr_session_send(cb_data, &packet);
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info = {
- .name = "digitek-dt4000zc",
- .longname = "Digitek DT4000ZC",
- .api_version = 1,
- .init = hw_init_digitek_dt4000zc,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .info_get = hw_info_get,
- .dev_config_set = hw_dev_config_set,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
- .priv = NULL,
-};
-
-SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info = {
- .name = "tekpower-tp4000zc",
- .longname = "TekPower TP4000ZC",
- .api_version = 1,
- .init = hw_init_tekpower_tp4000zc,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .info_get = hw_info_get,
- .dev_config_set = hw_dev_config_set,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
- .priv = NULL,
-};
-
-SR_PRIV struct sr_dev_driver metex_me31_driver_info = {
- .name = "metex-me31",
- .longname = "Metex ME-31",
- .api_version = 1,
- .init = hw_init_metex_me31,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .info_get = hw_info_get,
- .dev_config_set = hw_dev_config_set,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
- .priv = NULL,
-};
-
-SR_PRIV struct sr_dev_driver peaktech_3410_driver_info = {
- .name = "peaktech-3410",
- .longname = "PeakTech 3410",
- .api_version = 1,
- .init = hw_init_peaktech_3410,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .info_get = hw_info_get,
- .dev_config_set = hw_dev_config_set,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
- .priv = NULL,
-};
-
-SR_PRIV struct sr_dev_driver mastech_mas345_driver_info = {
- .name = "mastech-mas345",
- .longname = "MASTECH MAS345",
- .api_version = 1,
- .init = hw_init_mastech_mas345,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .info_get = hw_info_get,
- .dev_config_set = hw_dev_config_set,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
- .priv = NULL,
-};
-
-SR_PRIV struct sr_dev_driver va_va18b_driver_info = {
- .name = "va-va18b",
- .longname = "V&A VA18B",
- .api_version = 1,
- .init = hw_init_va_va18b,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .info_get = hw_info_get,
- .dev_config_set = hw_dev_config_set,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
- .priv = NULL,
-};
-
-SR_PRIV struct sr_dev_driver metex_m3640d_driver_info = {
- .name = "metex-m3640d",
- .longname = "Metex M-3640D",
- .api_version = 1,
- .init = hw_init_metex_m3640d,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .info_get = hw_info_get,
- .dev_config_set = hw_dev_config_set,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
- .priv = NULL,
-};
-
-SR_PRIV struct sr_dev_driver peaktech_4370_driver_info = {
- .name = "peaktech-4370",
- .longname = "PeakTech 4370",
- .api_version = 1,
- .init = hw_init_peaktech_4370,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .info_get = hw_info_get,
- .dev_config_set = hw_dev_config_set,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
- .priv = NULL,
-};
projects / libsigrok.git / blobdiff