+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
- *
- * 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 <libusb.h>
-#include "libsigrok.h"
-#include "libsigrok-internal.h"
-#include "protocol.h"
-
-SR_PRIV struct sr_dev_inst *lascar_scan(int bus, int address);
-SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info;
-static struct sr_dev_driver *di = &lascar_el_usb_driver_info;
-static int hw_dev_close(struct sr_dev_inst *sdi);
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
-
-static const int hwopts[] = {
- SR_HWOPT_CONN,
- 0,
-};
-
-static const int hwcaps[] = {
- SR_HWCAP_THERMOMETER,
- SR_HWCAP_HYGROMETER,
- SR_HWCAP_LIMIT_SAMPLES,
- 0
-};
-
-static const char *probe_names[] = {
- "P1",
-};
-
-
-/* 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;
-
- for (l = drvc->instances; l; l = l->next) {
- if (!(sdi = l->data))
- continue;
- if (!(devc = sdi->priv))
- continue;
-
- hw_dev_close(sdi);
- sr_usb_dev_inst_free(devc->usb);
- sr_dev_inst_free(sdi);
- }
-
- g_slist_free(drvc->instances);
- drvc->instances = NULL;
-
- return SR_OK;
-}
-
-static int hw_init(struct sr_context *sr_ctx)
-{
- struct drv_context *drvc;
-
- if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
- sr_err("Driver context malloc failed.");
- return SR_ERR_MALLOC;
- }
-
- drvc->sr_ctx = sr_ctx;
- di->priv = drvc;
-
- return SR_OK;
-}
-
-static GSList *hw_scan(GSList *options)
-{
- struct drv_context *drvc;
- struct dev_context *devc;
- struct sr_dev_inst *sdi;
- struct sr_usb_dev_inst *usb;
- struct sr_probe *probe;
- struct sr_hwopt *opt;
- GSList *usb_devices, *devices, *l;
- const char *conn;
-
- (void)options;
-
- if (!(drvc = di->priv)) {
- sr_err("Driver was not initialized.");
- return NULL;
- }
-
- /* USB scan is always authoritative. */
- clear_instances();
-
- conn = NULL;
- for (l = options; l; l = l->next) {
- opt = l->data;
- switch (opt->hwopt) {
- case SR_HWOPT_CONN:
- conn = opt->value;
- break;
- }
- }
- if (!conn)
- return NULL;
-
- devices = NULL;
- if ((usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
- /* We have a list of sr_usb_dev_inst matching the connection
- * string. Wrap them in sr_dev_inst and we're done. */
- for (l = usb_devices; l; l = l->next) {
- usb = l->data;
- if (!(sdi = lascar_scan(usb->bus, usb->address))) {
- /* Not a Lascar EL-USB. */
- g_free(usb);
- continue;
- }
- if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
- sr_err("Device context malloc failed.");
- return NULL;
- }
- devc->usb = usb;
- sdi->priv = devc;
- if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
- return NULL;
- sdi->probes = g_slist_append(sdi->probes, probe);
- drvc->instances = g_slist_append(drvc->instances, sdi);
- devices = g_slist_append(devices, sdi);
- }
- g_slist_free(usb_devices);
- } else
- g_slist_free_full(usb_devices, g_free);
-
- 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)
-{
- /* TODO */
-
- return SR_OK;
-}
-
-static int hw_dev_close(struct sr_dev_inst *sdi)
-{
- /* TODO */
-
- return SR_OK;
-}
-
-static int hw_cleanup(void)
-{
- clear_instances();
-
- /* TODO */
-
- return SR_OK;
-}
-
-static int hw_info_get(int info_id, const void **data,
- const struct sr_dev_inst *sdi)
-{
- switch (info_id) {
- /* TODO */
- default:
- sr_err("Unknown info_id: %d.", info_id);
- return SR_ERR_ARG;
- }
-
- return SR_OK;
-}
-
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
- const void *value)
-{
- int ret;
-
- if (sdi->status != SR_ST_ACTIVE) {
- sr_err("Device inactive, can't set config options.");
- return SR_ERR;
- }
-
- ret = SR_OK;
- switch (hwcap) {
- /* TODO */
- default:
- sr_err("Unknown hardware capability: %d.", hwcap);
- ret = SR_ERR_ARG;
- }
-
- return ret;
-}
-
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
-{
- /* TODO */
-
- return SR_OK;
-}
-
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
-{
- (void)cb_data;
-
- if (sdi->status != SR_ST_ACTIVE) {
- sr_err("Device inactive, can't stop acquisition.");
- return SR_ERR;
- }
-
- /* TODO */
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info = {
- .name = "lascar-el-usb",
- .longname = "Lascar EL-USB",
- .api_version = 1,
- .init = hw_init,
- .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