+++ /dev/null
-/*
- * This file is part of the sigrok project.
- *
- * Copyright (C) 2010-2012 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 <stdio.h>
-#include <glib.h>
-#include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */
-#include "libsigrok.h"
-#include "libsigrok-internal.h"
-
-/* Message logging helpers with driver-specific prefix string. */
-#define DRIVER_LOG_DOMAIN "device: "
-#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
-#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
-
-/**
- * @file
- *
- * Device handling in libsigrok.
- */
-
-/**
- * @defgroup grp_devices Devices
- *
- * Device handling in libsigrok.
- *
- * @{
- */
-
-/** @private */
-SR_PRIV struct sr_probe *sr_probe_new(int index, int type,
- gboolean enabled, const char *name)
-{
- struct sr_probe *probe;
-
- if (!(probe = g_try_malloc0(sizeof(struct sr_probe)))) {
- sr_err("Probe malloc failed.");
- return NULL;
- }
-
- probe->index = index;
- probe->type = type;
- probe->enabled = enabled;
- if (name)
- probe->name = g_strdup(name);
-
- return probe;
-}
-
-/**
- * Set the name of the specified probe in the specified device.
- *
- * If the probe already has a different name assigned to it, it will be
- * removed, and the new name will be saved instead.
- *
- * @param sdi The device instance the probe is connected to.
- * @param probenum The number of the probe whose name to set.
- * Note that the probe numbers start at 0.
- * @param name The new name that the specified probe should get. A copy
- * of the string is made.
- *
- * @return SR_OK on success, or SR_ERR_ARG on invalid arguments.
- */
-SR_API int sr_dev_probe_name_set(const struct sr_dev_inst *sdi,
- int probenum, const char *name)
-{
- GSList *l;
- struct sr_probe *probe;
- int ret;
-
- if (!sdi) {
- sr_err("%s: sdi was NULL", __func__);
- return SR_ERR_ARG;
- }
-
- ret = SR_ERR_ARG;
- for (l = sdi->probes; l; l = l->next) {
- probe = l->data;
- if (probe->index == probenum) {
- g_free(probe->name);
- probe->name = g_strdup(name);
- ret = SR_OK;
- break;
- }
- }
-
- return ret;
-}
-
-/**
- * Enable or disable a probe on the specified device.
- *
- * @param sdi The device instance the probe is connected to.
- * @param probenum The probe number, starting from 0.
- * @param state TRUE to enable the probe, FALSE to disable.
- *
- * @return SR_OK on success, or SR_ERR_ARG on invalid arguments.
- */
-SR_API int sr_dev_probe_enable(const struct sr_dev_inst *sdi, int probenum,
- gboolean state)
-{
- GSList *l;
- struct sr_probe *probe;
- int ret;
-
- if (!sdi)
- return SR_ERR_ARG;
-
- ret = SR_ERR_ARG;
- for (l = sdi->probes; l; l = l->next) {
- probe = l->data;
- if (probe->index == probenum) {
- probe->enabled = state;
- ret = SR_OK;
- break;
- }
- }
-
- return ret;
-}
-
-/**
- * Add a trigger to the specified device (and the specified probe).
- *
- * If the specified probe of this device already has a trigger, it will
- * be silently replaced.
- *
- * @param sdi Must not be NULL.
- * @param probenum The probe number, starting from 0.
- * @param trigger Trigger string, in the format used by sigrok-cli
- *
- * @return SR_OK on success, or SR_ERR_ARG on invalid arguments.
- */
-SR_API int sr_dev_trigger_set(const struct sr_dev_inst *sdi, int probenum,
- const char *trigger)
-{
- GSList *l;
- struct sr_probe *probe;
- int ret;
-
- if (!sdi)
- return SR_ERR_ARG;
-
- ret = SR_ERR_ARG;
- for (l = sdi->probes; l; l = l->next) {
- probe = l->data;
- if (probe->index == probenum) {
- /* If the probe already has a trigger, kill it first. */
- g_free(probe->trigger);
- probe->trigger = g_strdup(trigger);
- ret = SR_OK;
- break;
- }
- }
-
- return ret;
-}
-
-/**
- * Determine whether the specified device instance has the specified
- * capability.
- *
- * @param sdi Pointer to the device instance to be checked. Must not be NULL.
- * If the device's 'driver' field is NULL (virtual device), this
- * function will always return FALSE (virtual devices don't have
- * a hardware capabilities list).
- * @param hwcap The capability that should be checked (whether it's supported
- * by the specified device).
- *
- * @return TRUE if the device has the specified capability, FALSE otherwise.
- * FALSE is also returned upon invalid input parameters or other
- * error conditions.
- */
-SR_API gboolean sr_dev_has_hwcap(const struct sr_dev_inst *sdi, int hwcap)
-{
- const int *hwcaps;
- int i;
-
- if (!sdi || !sdi->driver)
- return FALSE;
-
- if (sdi->driver->info_get(SR_DI_HWCAPS,
- (const void **)&hwcaps, NULL) != SR_OK)
- return FALSE;
-
- for (i = 0; hwcaps[i]; i++) {
- if (hwcaps[i] == hwcap)
- return TRUE;
- }
-
- return FALSE;
-}
-
-/** @private */
-SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status,
- const char *vendor, const char *model, const char *version)
-{
- struct sr_dev_inst *sdi;
-
- if (!(sdi = g_try_malloc(sizeof(struct sr_dev_inst)))) {
- sr_err("%s: sdi malloc failed", __func__);
- return NULL;
- }
-
- sdi->driver = NULL;
- sdi->index = index;
- sdi->status = status;
- sdi->inst_type = -1;
- sdi->vendor = vendor ? g_strdup(vendor) : NULL;
- sdi->model = model ? g_strdup(model) : NULL;
- sdi->version = version ? g_strdup(version) : NULL;
- sdi->probes = NULL;
- sdi->priv = NULL;
-
- return sdi;
-}
-
-/** @private */
-SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi)
-{
- struct sr_probe *probe;
- GSList *l;
-
- for (l = sdi->probes; l; l = l->next) {
- probe = l->data;
- g_free(probe->name);
- g_free(probe);
- }
-
- g_free(sdi->priv);
- g_free(sdi->vendor);
- g_free(sdi->model);
- g_free(sdi->version);
- g_free(sdi);
-
-}
-
-#ifdef HAVE_LIBUSB_1_0
-
-/** @private */
-SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
- uint8_t address, struct libusb_device_handle *hdl)
-{
- struct sr_usb_dev_inst *udi;
-
- if (!(udi = g_try_malloc(sizeof(struct sr_usb_dev_inst)))) {
- sr_err("%s: udi malloc failed", __func__);
- return NULL;
- }
-
- udi->bus = bus;
- udi->address = address;
- udi->devhdl = hdl;
-
- return udi;
-}
-
-/** @private */
-SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb)
-{
- (void)usb;
-
- /* Nothing to do for this device instance type. */
-}
-
-#endif
-
-/** @private
- * @param pathname OS-specific serial port specification. Examples:
- * "/dev/ttyUSB0", "/dev/ttyACM1", "/dev/tty.Modem-0", "COM1".
- * @param serialcomm A serial communication parameters string, in the form
- * of <speed>/<data bits><parity><stopbits>, for example "9600/8n1" or
- * "600/7o2". This is an optional parameter; it may be filled in later.
- * @return A pointer to a newly initialized struct sr_serial_dev_inst,
- * or NULL on error.
- *
- * Both parameters are copied to newly allocated strings, and freed
- * automatically by sr_serial_dev_inst_free().
- */
-SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port,
- const char *serialcomm)
-{
- struct sr_serial_dev_inst *serial;
-
- if (!port) {
- sr_err("hwdriver: serial port required");
- return NULL;
- }
-
- if (!(serial = g_try_malloc0(sizeof(struct sr_serial_dev_inst)))) {
- sr_err("hwdriver: serial malloc failed");
- return NULL;
- }
-
- serial->port = g_strdup(port);
- if (serialcomm)
- serial->serialcomm = g_strdup(serialcomm);
- serial->fd = -1;
-
- return serial;
-}
-
-/** @private */
-SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial)
-{
-
- g_free(serial->port);
- g_free(serial->serialcomm);
- g_free(serial);
-
-}
-
-SR_API int sr_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
- const void *value)
-{
- int ret;
-
- if (!sdi || !sdi->driver || !sdi->driver->dev_config_set) {
- sr_err("Unable to set config option.");
- return SR_ERR;
- }
-
- ret = sdi->driver->dev_config_set(sdi, hwcap, value);
-
- return ret;
-}
-
-SR_API GSList *sr_dev_inst_list(const struct sr_dev_driver *driver)
-{
-
- if (driver && driver->dev_list)
- return driver->dev_list();
- else
- return NULL;
-}
-
-SR_API int sr_dev_inst_clear(const struct sr_dev_driver *driver)
-{
-
- if (driver && driver->dev_clear)
- return driver->dev_clear();
- else
- return SR_OK;
-}
-
-/** @} */
projects / libsigrok.git / blobdiff