2 * This file is part of the sigrok project.
4 * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include <sys/types.h>
27 #include "sigrok-internal.h"
30 * This enumerates which driver capabilities correspond to user-settable
33 /* TODO: This shouldn't be a global. */
34 SR_API struct sr_hwcap_option sr_hwcap_options[] = {
35 {SR_HWCAP_SAMPLERATE, SR_T_UINT64, "Sample rate", "samplerate"},
36 {SR_HWCAP_CAPTURE_RATIO, SR_T_UINT64, "Pre-trigger capture ratio", "captureratio"},
37 {SR_HWCAP_PATTERN_MODE, SR_T_CHAR, "Pattern generator mode", "patternmode"},
38 {SR_HWCAP_RLE, SR_T_BOOL, "Run Length Encoding", "rle"},
43 extern SR_PRIV struct sr_dev_driver demo_driver_info;
45 #ifdef HAVE_LA_SALEAE_LOGIC
46 extern SR_PRIV struct sr_dev_driver saleae_logic_driver_info;
49 extern SR_PRIV struct sr_dev_driver ols_driver_info;
51 #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE
52 extern SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info;
54 #ifdef HAVE_LA_ASIX_SIGMA
55 extern SR_PRIV struct sr_dev_driver asix_sigma_driver_info;
57 #ifdef HAVE_LA_CHRONOVU_LA8
58 extern SR_PRIV struct sr_dev_driver chronovu_la8_driver_info;
60 #ifdef HAVE_LA_LINK_MSO19
61 extern SR_PRIV struct sr_dev_driver link_mso19_driver_info;
64 extern SR_PRIV struct sr_dev_driver alsa_driver_info;
66 #ifdef HAVE_LA_FX2LAFW
67 extern SR_PRIV struct sr_dev_driver fx2lafw_driver_info;
70 static struct sr_dev_driver *drivers_list[] = {
74 #ifdef HAVE_LA_SALEAE_LOGIC
75 &saleae_logic_driver_info,
80 #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE
81 &zeroplus_logic_cube_driver_info,
83 #ifdef HAVE_LA_ASIX_SIGMA
84 &asix_sigma_driver_info,
86 #ifdef HAVE_LA_CHRONOVU_LA8
87 &chronovu_la8_driver_info,
89 #ifdef HAVE_LA_LINK_MSO19
90 &link_mso19_driver_info,
95 #ifdef HAVE_LA_FX2LAFW
102 * Return the list of supported hardware drivers.
104 * @return Pointer to the NULL-terminated list of hardware driver pointers.
106 SR_API struct sr_dev_driver **sr_driver_list(void)
112 * Initialize a hardware driver.
114 * The specified driver is initialized, and all devices discovered by the
115 * driver are instantiated.
117 * @param driver The driver to initialize.
119 * @return The number of devices found and instantiated by the driver.
121 SR_API int sr_driver_init(struct sr_dev_driver *driver)
123 int num_devs, num_probes, i, j;
124 int num_initialized_devs = 0;
128 sr_dbg("initializing %s driver", driver->name);
129 num_devs = driver->init(NULL);
130 for (i = 0; i < num_devs; i++) {
131 num_probes = GPOINTER_TO_INT(
132 driver->dev_info_get(i, SR_DI_NUM_PROBES));
133 probe_names = (char **)driver->dev_info_get(i,
137 sr_warn("hwdriver: %s: driver %s does not return a "
138 "list of probe names", __func__, driver->name);
142 dev = sr_dev_new(driver, i);
143 for (j = 0; j < num_probes; j++)
144 sr_dev_probe_add(dev, probe_names[j]);
145 num_initialized_devs++;
148 return num_initialized_devs;
151 SR_PRIV void sr_hw_cleanup_all(void)
154 struct sr_dev_driver **drivers;
156 drivers = sr_driver_list();
157 for (i = 0; drivers[i]; i++) {
158 if (drivers[i]->cleanup)
159 drivers[i]->cleanup();
163 SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status,
164 const char *vendor, const char *model, const char *version)
166 struct sr_dev_inst *sdi;
168 if (!(sdi = g_try_malloc(sizeof(struct sr_dev_inst)))) {
169 sr_err("hwdriver: %s: sdi malloc failed", __func__);
174 sdi->status = status;
176 sdi->vendor = vendor ? g_strdup(vendor) : NULL;
177 sdi->model = model ? g_strdup(model) : NULL;
178 sdi->version = version ? g_strdup(version) : NULL;
184 SR_PRIV struct sr_dev_inst *sr_dev_inst_get(GSList *dev_insts, int dev_index)
186 struct sr_dev_inst *sdi;
189 for (l = dev_insts; l; l = l->next) {
190 sdi = (struct sr_dev_inst *)(l->data);
191 if (sdi->index == dev_index)
194 sr_warn("could not find device index %d instance", dev_index);
199 SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi)
204 g_free(sdi->version);
208 #ifdef HAVE_LIBUSB_1_0
210 SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
211 uint8_t address, struct libusb_device_handle *hdl)
213 struct sr_usb_dev_inst *udi;
215 if (!(udi = g_try_malloc(sizeof(struct sr_usb_dev_inst)))) {
216 sr_err("hwdriver: %s: udi malloc failed", __func__);
221 udi->address = address;
222 udi->devhdl = hdl; /* TODO: Check if this is NULL? */
227 SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb)
229 /* Avoid compiler warnings. */
232 /* Nothing to do for this device instance type. */
237 SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port,
240 struct sr_serial_dev_inst *serial;
242 if (!(serial = g_try_malloc(sizeof(struct sr_serial_dev_inst)))) {
243 sr_err("hwdriver: %s: serial malloc failed", __func__);
247 serial->port = g_strdup(port);
253 SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial)
255 g_free(serial->port);
259 * Find out if a hardware driver has a specific capability.
261 * @param driver The hardware driver in which to search for the capability.
262 * @param hwcap The capability to find in the list.
264 * @return TRUE if the specified capability exists in the specified driver,
265 * FALSE otherwise. Also, if 'driver' is NULL or the respective driver
266 * returns an invalid capability list, FALSE is returned.
268 SR_API gboolean sr_driver_hwcap_exists(struct sr_dev_driver *driver, int hwcap)
273 sr_err("hwdriver: %s: driver was NULL", __func__);
277 if (!(hwcaps = driver->hwcap_get_all())) {
278 sr_err("hwdriver: %s: hwcap_get_all() returned NULL", __func__);
282 for (i = 0; hwcaps[i]; i++) {
283 if (hwcaps[i] == hwcap)
291 * Get a hardware driver capability option.
293 * @param hwcap The capability to get.
295 * @return A pointer to a struct with information about the parameter, or NULL
296 * if the capability was not found.
298 SR_API struct sr_hwcap_option *sr_hw_hwcap_get(int hwcap)
302 for (i = 0; sr_hwcap_options[i].hwcap; i++) {
303 if (sr_hwcap_options[i].hwcap == hwcap)
304 return &sr_hwcap_options[i];
310 /* unnecessary level of indirection follows. */
312 SR_PRIV void sr_source_remove(int fd)
314 sr_session_source_remove(fd);
317 SR_PRIV void sr_source_add(int fd, int events, int timeout,
318 sr_receive_data_callback_t cb, void *cb_data)
320 sr_session_source_add(fd, events, timeout, cb, cb_data);