292 lines
7.0 KiB
C
292 lines
7.0 KiB
C
/*
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* This file is part of the sigrok project.
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*
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* Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <string.h>
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#include <glib.h>
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#include "sigrok.h"
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#include "sigrok-internal.h"
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/* The list of loaded plugins lives here. */
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static GSList *plugins;
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/*
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* This enumerates which plugin capabilities correspond to user-settable
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* options.
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*/
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/* TODO: This shouldn't be a global. */
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struct sr_hwcap_option sr_hwcap_options[] = {
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{SR_HWCAP_SAMPLERATE, SR_T_UINT64, "Sample rate", "samplerate"},
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{SR_HWCAP_CAPTURE_RATIO, SR_T_UINT64, "Pre-trigger capture ratio", "captureratio"},
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{SR_HWCAP_PATTERN_MODE, SR_T_CHAR, "Pattern generator mode", "patternmode"},
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{SR_HWCAP_RLE, SR_T_BOOL, "Run Length Encoding", "rle"},
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{0, 0, NULL, NULL},
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};
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#ifdef HAVE_LA_DEMO
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extern struct sr_device_plugin demo_plugin_info;
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#endif
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#ifdef HAVE_LA_SALEAE_LOGIC
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extern struct sr_device_plugin saleae_logic_plugin_info;
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#endif
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#ifdef HAVE_LA_OLS
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extern struct sr_device_plugin ols_plugin_info;
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#endif
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#ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE
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extern struct sr_device_plugin zeroplus_logic_cube_plugin_info;
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#endif
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#ifdef HAVE_LA_ASIX_SIGMA
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extern struct sr_device_plugin asix_sigma_plugin_info;
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#endif
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#ifdef HAVE_LA_CHRONOVU_LA8
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extern struct device_plugin chronovu_la8_plugin_info;
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#endif
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#ifdef HAVE_LA_LINK_MSO19
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extern struct sr_device_plugin link_mso19_plugin_info;
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#endif
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#ifdef HAVE_LA_ALSA
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extern struct sr_device_plugin alsa_plugin_info;
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#endif
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/* TODO: No linked list needed, this can be a simple array. */
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int load_hwplugins(void)
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{
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#ifdef HAVE_LA_DEMO
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plugins = g_slist_append(plugins, (gpointer *)&demo_plugin_info);
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#endif
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#ifdef HAVE_LA_SALEAE_LOGIC
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plugins =
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g_slist_append(plugins, (gpointer *)&saleae_logic_plugin_info);
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#endif
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#ifdef HAVE_LA_OLS
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plugins = g_slist_append(plugins, (gpointer *)&ols_plugin_info);
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#endif
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#ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE
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plugins = g_slist_append(plugins,
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(gpointer *)&zeroplus_logic_cube_plugin_info);
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#endif
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#ifdef HAVE_LA_ASIX_SIGMA
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plugins = g_slist_append(plugins, (gpointer *)&asix_sigma_plugin_info);
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#endif
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#ifdef HAVE_LA_CHRONOVU_LA8
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plugins = g_slist_append(plugins, (gpointer *)&chronovu_la8_plugin_info);
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#endif
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#ifdef HAVE_LA_LINK_MSO19
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plugins = g_slist_append(plugins, (gpointer *)&link_mso19_plugin_info);
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#endif
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#ifdef HAVE_LA_ALSA
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plugins = g_slist_append(plugins, (gpointer *)&alsa_plugin_info);
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#endif
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return SR_OK;
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}
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GSList *sr_list_hwplugins(void)
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{
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return plugins;
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}
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int sr_init_hwplugins(struct sr_device_plugin *plugin)
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{
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int num_devices, num_probes, i, j;
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int num_initialized_devices = 0;
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struct sr_device *device;
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char **probe_names;
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sr_dbg("initializing %s plugin", plugin->name);
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num_devices = plugin->init(NULL);
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for (i = 0; i < num_devices; i++) {
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num_probes = GPOINTER_TO_INT(
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plugin->get_device_info(i, SR_DI_NUM_PROBES));
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probe_names = (char **)plugin->get_device_info(i,
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SR_DI_PROBE_NAMES);
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if (!probe_names) {
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sr_warn("hwplugin: %s: plugin %s does not return a "
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"list of probe names", __func__, plugin->name);
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continue;
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}
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device = sr_device_new(plugin, i);
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for (j = 0; j < num_probes; j++)
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sr_device_probe_add(device, probe_names[j]);
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num_initialized_devices++;
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}
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return num_initialized_devices;
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}
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void sr_cleanup_hwplugins(void)
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{
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struct sr_device_plugin *plugin;
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GSList *l;
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for (l = plugins; l; l = l->next) {
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plugin = l->data;
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if (plugin->cleanup)
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plugin->cleanup();
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}
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}
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struct sr_device_instance *sr_device_instance_new(int index, int status,
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const char *vendor, const char *model, const char *version)
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{
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struct sr_device_instance *sdi;
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if (!(sdi = g_malloc(sizeof(struct sr_device_instance))))
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return NULL;
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sdi->index = index;
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sdi->status = status;
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sdi->instance_type = -1;
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sdi->vendor = vendor ? g_strdup(vendor) : NULL;
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sdi->model = model ? g_strdup(model) : NULL;
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sdi->version = version ? g_strdup(version) : NULL;
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sdi->priv = NULL;
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sdi->usb = NULL;
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return sdi;
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}
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struct sr_device_instance *sr_get_device_instance(GSList *device_instances,
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int device_index)
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{
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struct sr_device_instance *sdi;
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GSList *l;
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for (l = device_instances; l; l = l->next) {
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sdi = (struct sr_device_instance *)(l->data);
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if (sdi->index == device_index)
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return sdi;
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}
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sr_warn("could not find device index %d instance", device_index);
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return NULL;
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}
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void sr_device_instance_free(struct sr_device_instance *sdi)
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{
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switch (sdi->instance_type) {
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#ifdef HAVE_LIBUSB_1_0
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case SR_USB_INSTANCE:
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sr_usb_device_instance_free(sdi->usb);
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break;
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#endif
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case SR_SERIAL_INSTANCE:
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sr_serial_device_instance_free(sdi->serial);
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break;
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default:
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/* No specific type, nothing extra to free. */
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break;
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}
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g_free(sdi->priv);
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g_free(sdi->vendor);
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g_free(sdi->model);
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g_free(sdi->version);
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g_free(sdi);
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}
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#ifdef HAVE_LIBUSB_1_0
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struct sr_usb_device_instance *sr_usb_device_instance_new(uint8_t bus,
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uint8_t address, struct libusb_device_handle *hdl)
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{
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struct sr_usb_device_instance *udi;
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if (!(udi = malloc(sizeof(struct sr_usb_device_instance))))
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return NULL;
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udi->bus = bus;
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udi->address = address;
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udi->devhdl = hdl; /* TODO: Check if this is NULL? */
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return udi;
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}
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void sr_usb_device_instance_free(struct sr_usb_device_instance *usb)
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{
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/* Avoid compiler warnings. */
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(void)usb;
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/* Nothing to do for this device instance type. */
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}
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#endif
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struct sr_serial_device_instance *sr_serial_device_instance_new(
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const char *port, int fd)
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{
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struct sr_serial_device_instance *serial;
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if (!(serial = malloc(sizeof(struct sr_serial_device_instance))))
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return NULL;
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serial->port = strdup(port);
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serial->fd = fd;
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return serial;
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}
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void sr_serial_device_instance_free(struct sr_serial_device_instance *serial)
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{
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free(serial->port);
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}
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int sr_find_hwcap(int *capabilities, int hwcap)
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{
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int i;
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for (i = 0; capabilities[i]; i++) {
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if (capabilities[i] == hwcap)
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return TRUE;
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}
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return FALSE;
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}
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struct sr_hwcap_option *sr_find_hwcap_option(int hwcap)
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{
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int i;
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for (i = 0; sr_hwcap_options[i].capability; i++) {
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if (sr_hwcap_options[i].capability == hwcap)
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return &sr_hwcap_options[i];
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}
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return NULL;
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}
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/* unnecessary level of indirection follows. */
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void sr_source_remove(int fd)
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{
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sr_session_source_remove(fd);
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}
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void sr_source_add(int fd, int events, int timeout,
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sr_receive_data_callback rcv_cb, void *user_data)
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{
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sr_session_source_add(fd, events, timeout, rcv_cb, user_data);
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}
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