static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi,
void *cb_data);
+static GSList *connect_serial(const char *conn, const char *serialcomm)
+{
+ GSList *devices;
+
+ devices = NULL;
+
+ /* TODO */
+ sr_dbg("Not yet implemented.");
+
+ return devices;
+}
-static GSList *connect_usb(const char *conn)
+GSList *genericdmm_connect(const char *conn, const char *serialcomm)
{
+ GSList *devices, *l;
struct sr_dev_inst *sdi;
- struct drv_context *drvc;
struct dev_context *devc;
+ struct drv_context *drvc;
struct sr_probe *probe;
- libusb_device **devlist;
- struct libusb_device_descriptor des;
- GSList *devices;
- GRegex *reg;
- GMatchInfo *match;
- int vid, pid, bus, addr, devcnt, err, i;
- char *mstr;
+ struct libusb_device *ldev;
+ int i, devcnt;
drvc = gdi->priv;
- vid = pid = bus = addr = 0;
- reg = g_regex_new(DMM_CONN_USB_VIDPID, 0, 0, NULL);
- if (g_regex_match(reg, conn, 0, &match)) {
- /* Extract VID. */
- if ((mstr = g_match_info_fetch(match, 1)))
- vid = strtoul(mstr, NULL, 16);
- g_free(mstr);
-
- /* Extract PID. */
- if ((mstr = g_match_info_fetch(match, 2)))
- pid = strtoul(mstr, NULL, 16);
- g_free(mstr);
- } else {
- g_match_info_unref(match);
- g_regex_unref(reg);
- reg = g_regex_new(DMM_CONN_USB_BUSADDR, 0, 0, NULL);
- if (g_regex_match(reg, conn, 0, &match)) {
- /* Extract bus. */
- if ((mstr = g_match_info_fetch(match, 0)))
- bus = strtoul(mstr, NULL, 16);
- g_free(mstr);
-
- /* Extract address. */
- if ((mstr = g_match_info_fetch(match, 0)))
- addr = strtoul(mstr, NULL, 16);
- g_free(mstr);
- }
- }
- g_match_info_unref(match);
- g_regex_unref(reg);
-
- if (vid + pid + bus + addr == 0)
- return NULL;
+ devices = NULL;
- if (bus > 64) {
- sr_err("Invalid bus.");
- return NULL;
- }
+ if (serialcomm)
+ /* Must be a serial port. */
+ return connect_serial(conn, serialcomm);
- if (addr > 127) {
- sr_err("Invalid address.");
+ if (!(l = sr_usb_connect(genericdmm_usb_context, conn))) {
return NULL;
}
- /* Looks like a valid USB device specification, but is it connected? */
- devices = NULL;
- libusb_get_device_list(genericdmm_usb_context, &devlist);
- for (i = 0; devlist[i]; i++) {
- if ((err = libusb_get_device_descriptor(devlist[i], &des))) {
- sr_err("Failed to get device descriptor: %d.", err);
- continue;
- }
-
- if (vid + pid && (des.idVendor != vid || des.idProduct != pid))
- /* VID/PID specified, but no match. */
- continue;
-
- if (bus + addr && (
- libusb_get_bus_number(devlist[i]) != bus
- || libusb_get_device_address(devlist[i]) != addr))
- /* Bus/address specified, but no match. */
- continue;
+ for (i = 0; i < (int)g_slist_length(l); i++) {
+ ldev = (struct libusb_device *)l->data;
- /* Found one. */
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
return NULL;
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
devc->usb = sr_usb_dev_inst_new(
- libusb_get_bus_number(devlist[i]),
- libusb_get_device_address(devlist[i]), NULL);
+ libusb_get_bus_number(ldev),
+ libusb_get_device_address(ldev), NULL);
devices = g_slist_append(devices, sdi);
- }
- libusb_free_device_list(devlist, 1);
-
- return devices;
-}
-
-static GSList *connect_serial(const char *conn, const char *serialcomm)
-{
- GSList *devices;
-
- devices = NULL;
-
- /* TODO */
- sr_dbg("Not yet implemented.");
-
- return devices;
-}
-
-GSList *genericdmm_connect(const char *conn, const char *serialcomm)
-{
- GSList *devices;
- if (serialcomm)
- /* Must be a serial port. */
- return connect_serial(conn, serialcomm);
-
- if ((devices = connect_usb(conn)))
return devices;
+ }
return NULL;
}
return devices;
}
-static int open_usb(struct sr_dev_inst *sdi)
-{
- libusb_device **devlist;
- struct libusb_device_descriptor des;
- struct dev_context *devc;
- int ret, tmp, cnt, i;
-
- devc = sdi->priv;
-
- if (sdi->status == SR_ST_ACTIVE)
- /* already in use */
- return SR_ERR;
-
- cnt = libusb_get_device_list(genericdmm_usb_context, &devlist);
- if (cnt < 0) {
- sr_err("Failed to retrieve device list (%d).", cnt);
- return SR_ERR;
- }
-
- ret = SR_ERR;
- for (i = 0; i < cnt; i++) {
- if ((tmp = libusb_get_device_descriptor(devlist[i], &des))) {
- sr_err("Failed to get device descriptor: %d.", tmp);
- continue;
- }
-
- if (libusb_get_bus_number(devlist[i]) != devc->usb->bus
- || libusb_get_device_address(devlist[i]) != devc->usb->address)
- /* this is not the one */
- continue;
-
- if ((tmp = libusb_open(devlist[i], &devc->usb->devhdl))) {
- sr_err("Failed to open device: %d.", tmp);
- break;
- }
-
- sr_info("Opened device %s on %d.%d.", devc->profile->modelid,
- devc->usb->bus, devc->usb->address);
- ret = SR_OK;
- break;
- }
- libusb_free_device_list(devlist, 1);
-
- return ret;
-}
-
static int clear_instances(void)
{
GSList *l;
ret = SR_OK;
switch (devc->profile->transport) {
case DMM_TRANSPORT_USBHID:
- ret = open_usb(sdi);
+ if (sdi->status == SR_ST_ACTIVE) {
+ sr_err("Device already in use.");
+ ret = SR_ERR;
+ } else {
+ ret = sr_usb_open(genericdmm_usb_context, devc->usb);
+ }
break;
case DMM_TRANSPORT_SERIAL:
sr_dbg("Opening serial port '%s'.", devc->serial->port);
projects / libsigrok.git / blobdiff