+++ /dev/null
-/*
- * 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 <string.h>
-#include "libsigrok.h"
-#include "libsigrok-internal.h"
-#include "protocol.h"
-
-static const int hwcaps[] = {
- SR_HWCAP_MULTIMETER,
- SR_HWCAP_LIMIT_SAMPLES,
- SR_HWCAP_LIMIT_MSEC,
- SR_HWCAP_CONTINUOUS,
- 0,
-};
-
-static const char *probe_names[] = {
- "Probe",
- NULL,
-};
-
-SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
-SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
-
-static struct sr_dev_driver *di_ut61d = &uni_t_ut61d_driver_info;
-static struct sr_dev_driver *di_vc820 = &voltcraft_vc820_driver_info;
-
-/* After hw_init() this will point to a device-specific entry (see above). */
-static struct sr_dev_driver *di = NULL;
-
-static int clear_instances(void)
-{
- /* TODO: Use common code later. */
-
- return SR_OK;
-}
-
-static int hw_init(int dmm)
-{
- int ret;
- struct drv_context *drvc;
-
- if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
- sr_err("Driver context malloc failed.");
- return SR_ERR_MALLOC;
- }
-
- if ((ret = libusb_init(NULL)) < 0) {
- sr_err("Failed to initialize libusb: %s.",
- libusb_error_name(ret));
- return SR_ERR;
- }
-
- if (dmm == UNI_T_UT61D)
- di = di_ut61d;
- else if (dmm == VOLTCRAFT_VC820)
- di = di_vc820;
- sr_dbg("Selected '%s' subdriver.", di->name);
-
- di->priv = drvc;
-
- return SR_OK;
-}
-
-static int hw_init_ut61d(void)
-{
- return hw_init(UNI_T_UT61D);
-}
-
-static int hw_init_vc820(void)
-{
- return hw_init(VOLTCRAFT_VC820);
-}
-
-static GSList *hw_scan(GSList *options)
-{
- GSList *devices, *l;
- struct sr_dev_inst *sdi;
- struct dev_context *devc;
- struct drv_context *drvc;
- struct sr_probe *probe;
- struct libusb_device *ldev;
- int i, devcnt;
-
- (void)options;
-
- drvc = di->priv;
-
- devices = NULL;
-
- if (!(l = sr_usb_connect(NULL, "1a86.e008")))
- return NULL;
-
- for (i = 0; i < (int)g_slist_length(l); i++) {
- ldev = (struct libusb_device *)l->data;
-
- if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
- sr_err("Device context malloc failed.");
- return NULL;
- }
-
- devcnt = g_slist_length(drvc->instances);
- if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_INACTIVE,
- di->longname, NULL, NULL))) {
- sr_err("sr_dev_inst_new returned NULL.");
- return NULL;
- }
- sdi->priv = devc;
- sdi->driver = di;
- if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
- return NULL;
- sdi->probes = g_slist_append(sdi->probes, probe);
- devc->usb = sr_usb_dev_inst_new(
- libusb_get_bus_number(ldev),
- libusb_get_device_address(ldev), NULL);
- drvc->instances = g_slist_append(drvc->instances, l->data);
- devices = g_slist_append(devices, sdi);
- }
-
- 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;
-
- devc = sdi->priv;
-
- return sr_usb_open(NULL, devc->usb);
-}
-
-static int hw_dev_close(struct sr_dev_inst *sdi)
-{
- (void)sdi;
-
- /* TODO */
-
- return SR_OK;
-}
-
-static int hw_cleanup(void)
-{
- clear_instances();
-
- // libusb_exit(NULL);
-
- return SR_OK;
-}
-
-static int hw_info_get(int info_id, const void **data,
- const struct sr_dev_inst *sdi)
-{
- (void)sdi;
-
- sr_spew("Backend requested info_id %d.", info_id);
-
- switch (info_id) {
- case SR_DI_HWCAPS:
- *data = hwcaps;
- sr_spew("%s: Returning hwcaps.", __func__);
- break;
- case SR_DI_NUM_PROBES:
- *data = GINT_TO_POINTER(1);
- sr_spew("%s: Returning number of probes.", __func__);
- break;
- case SR_DI_PROBE_NAMES:
- *data = probe_names;
- sr_spew("%s: Returning probe names.", __func__);
- break;
- case SR_DI_SAMPLERATES:
- /* TODO: Get rid of this. */
- *data = NULL;
- sr_spew("%s: Returning samplerates.", __func__);
- return SR_ERR_ARG;
- break;
- case SR_DI_CUR_SAMPLERATE:
- /* TODO: Get rid of this. */
- *data = NULL;
- sr_spew("%s: Returning current samplerate.", __func__);
- return SR_ERR_ARG;
- break;
- default:
- sr_err("%s: Unknown info_id %d.", __func__, info_id);
- return SR_ERR_ARG;
- break;
- }
-
- return SR_OK;
-}
-
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
- const void *value)
-{
- struct dev_context *devc;
-
- devc = sdi->priv;
-
- switch (hwcap) {
- case SR_HWCAP_LIMIT_MSEC:
- /* TODO: Not yet implemented. */
- if (*(const uint64_t *)value == 0) {
- sr_err("Time limit cannot be 0.");
- return SR_ERR;
- }
- devc->limit_msec = *(const uint64_t *)value;
- sr_dbg("Setting time limit to %" PRIu64 "ms.",
- devc->limit_msec);
- break;
- case SR_HWCAP_LIMIT_SAMPLES:
- if (*(const uint64_t *)value == 0) {
- sr_err("Sample limit cannot be 0.");
- return SR_ERR;
- }
- 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;
-
- devc = sdi->priv;
-
- sr_dbg("Starting acquisition.");
-
- devc->cb_data = cb_data;
-
- /* 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, "uni-t-ut61d")) {
- sr_source_add(0, 0, 10 /* poll_timeout */,
- uni_t_ut61d_receive_data, (void *)sdi);
- } else if (!strcmp(di->name, "voltcraft-vc820")) {
- sr_source_add(0, 0, 10 /* poll_timeout */,
- voltcraft_vc820_receive_data, (void *)sdi);
- }
-
- return SR_OK;
-}
-
-static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi,
- void *cb_data)
-{
- struct sr_datafeed_packet packet;
-
- (void)sdi;
-
- sr_dbg("Stopping acquisition.");
-
- /* Send end packet to the session bus. */
- sr_dbg("Sending SR_DF_END.");
- packet.type = SR_DF_END;
- sr_session_send(cb_data, &packet);
-
- /* TODO? */
- sr_source_remove(0);
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info = {
- .name = "uni-t-ut61d",
- .longname = "UNI-T UT61D",
- .api_version = 1,
- .init = hw_init_ut61d,
- .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 voltcraft_vc820_driver_info = {
- .name = "voltcraft-vc820",
- .longname = "Voltcraft VC-820",
- .api_version = 1,
- .init = hw_init_vc820,
- .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