*/
#include <stdlib.h>
-#include <glib/gstdio.h>
#include "protocol.h"
#define SERIALCOMM "115200/8n1/flow=1"
SR_CONF_SERIALCOMM,
};
-struct usb_id_info {
- uint16_t vendor_id;
- uint16_t product_id;
-};
-
-static struct usb_id_info ho_models[] = {
- { 0x0403, 0xed72 }, /* HO720 */
- { 0x0403, 0xed73 }, /* HO730 */
-};
-
enum {
PG_INVALID = -1,
PG_NONE,
return std_init(sr_ctx, di, LOG_PREFIX);
}
-/**
- * Find USB serial devices via the USB vendor ID and product ID.
- *
- * @param vendor_id Vendor ID of the USB device.
- * @param product_id Product ID of the USB device.
- *
- * @return A GSList of strings containing the path of the serial device or
- * NULL if no serial device is found. The returned list must be freed
- * by the caller.
- */
-static GSList *auto_find_usb(uint16_t vendor_id, uint16_t product_id)
-{
-#ifdef __linux__
- const gchar *usb_dev;
- const char device_tree[] = "/sys/bus/usb/devices/";
- GDir *devices_dir, *device_dir;
- GSList *l = NULL;
- GSList *tty_devs;
- GSList *matched_paths;
- FILE *fd;
- char tmp[5];
- gchar *vendor_path, *product_path, *path_copy;
- gchar *prefix, *subdir_path, *device_path, *tty_path;
- unsigned long read_vendor_id, read_product_id;
- const char *file;
-
- l = NULL;
- tty_devs = NULL;
- matched_paths = NULL;
-
- if (!(devices_dir = g_dir_open(device_tree, 0, NULL)))
- return NULL;
-
- /*
- * Find potential candidates using the vendor ID and product ID
- * and store them in matched_paths.
- */
- while ((usb_dev = g_dir_read_name(devices_dir))) {
- vendor_path = g_strconcat(device_tree,
- usb_dev, "/idVendor", NULL);
- product_path = g_strconcat(device_tree,
- usb_dev, "/idProduct", NULL);
-
- if (!g_file_test(vendor_path, G_FILE_TEST_EXISTS) ||
- !g_file_test(product_path, G_FILE_TEST_EXISTS))
- goto skip_device;
-
- if ((fd = g_fopen(vendor_path, "r")) == NULL)
- goto skip_device;
-
- if (fgets(tmp, sizeof(tmp), fd) == NULL) {
- fclose(fd);
- goto skip_device;
- }
- read_vendor_id = strtoul(tmp, NULL, 16);
-
- fclose(fd);
-
- if ((fd = g_fopen(product_path, "r")) == NULL)
- goto skip_device;
-
- if (fgets(tmp, sizeof(tmp), fd) == NULL) {
- fclose(fd);
- goto skip_device;
- }
- read_product_id = strtoul(tmp, NULL, 16);
-
- fclose(fd);
-
- if (vendor_id == read_vendor_id &&
- product_id == read_product_id) {
- path_copy = g_strdup(usb_dev);
- matched_paths = g_slist_prepend(matched_paths,
- path_copy);
- }
-
-skip_device:
- g_free(vendor_path);
- g_free(product_path);
- }
- g_dir_close(devices_dir);
-
- /* For every matched device try to find a ttyUSBX subfolder. */
- for (l = matched_paths; l; l = l->next) {
- subdir_path = NULL;
-
- device_path = g_strconcat(device_tree, l->data, NULL);
-
- if (!(device_dir = g_dir_open(device_path, 0, NULL))) {
- g_free(device_path);
- continue;
- }
-
- prefix = g_strconcat(l->data, ":", NULL);
-
- while ((file = g_dir_read_name(device_dir))) {
- if (g_str_has_prefix(file, prefix)) {
- subdir_path = g_strconcat(device_path,
- "/", file, NULL);
- break;
- }
- }
- g_dir_close(device_dir);
-
- g_free(prefix);
- g_free(device_path);
-
- if (subdir_path) {
- if (!(device_dir = g_dir_open(subdir_path, 0, NULL))) {
- g_free(subdir_path);
- continue;
- }
- g_free(subdir_path);
-
- while ((file = g_dir_read_name(device_dir))) {
- if (g_str_has_prefix(file, "ttyUSB")) {
- tty_path = g_strconcat("/dev/",
- file, NULL);
- sr_dbg("Found USB device %04x:%04x attached to %s.",
- vendor_id, product_id, tty_path);
- tty_devs = g_slist_prepend(tty_devs,
- tty_path);
- break;
- }
- }
- g_dir_close(device_dir);
- }
- }
- g_slist_free_full(matched_paths, g_free);
-
- return tty_devs;
-#else
- (void)vendor_id;
- (void)product_id;
-
- return NULL;
-#endif
-}
-
static int check_manufacturer(const char *manufacturer)
{
unsigned int i;
return SR_ERR;
}
-static struct sr_dev_inst *hmo_probe_serial_device(const char *serial_device,
- const char *serial_options)
+static struct sr_dev_inst *hmo_probe_serial_device(struct sr_scpi_dev_inst *scpi)
{
struct sr_dev_inst *sdi;
struct dev_context *devc;
struct sr_scpi_hw_info *hw_info;
- struct sr_scpi_dev_inst *scpi;
sdi = NULL;
devc = NULL;
- scpi = NULL;
hw_info = NULL;
- if (!(scpi = scpi_dev_inst_new(di->priv, serial_device, serial_options)))
- goto fail;
-
- sr_info("Probing %s.", serial_device);
- if (sr_scpi_open(scpi) != SR_OK)
- goto fail;
-
if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
sr_info("Couldn't get IDN response.");
goto fail;
fail:
if (hw_info)
sr_scpi_hw_info_free(hw_info);
- if (scpi)
- sr_scpi_free(scpi);
if (sdi)
sr_dev_inst_free(sdi);
if (devc)
static GSList *scan(GSList *options)
{
- GSList *devices;
- struct drv_context *drvc;
- struct sr_dev_inst *sdi;
- const char *serial_device, *serial_options;
- GSList *l, *tty_devs;
- unsigned int i;
-
- serial_device = NULL;
- serial_options = SERIALCOMM;
- sdi = NULL;
- devices = NULL;
- drvc = di->priv;
- drvc->instances = NULL;
-
- if (sr_serial_extract_options(options, &serial_device,
- &serial_options) == SR_OK) {
- sdi = hmo_probe_serial_device(serial_device, serial_options);
- if (sdi != NULL) {
- devices = g_slist_append(devices, sdi);
- drvc->instances = g_slist_append(drvc->instances, sdi);
- }
- } else {
- tty_devs = NULL;
-
- for (i = 0; i < ARRAY_SIZE(ho_models); i++) {
- if ((l = auto_find_usb(ho_models[i].vendor_id,
- ho_models[i].product_id)) == NULL)
- continue;
- tty_devs = g_slist_concat(tty_devs, l);
- }
-
- for (l = tty_devs; l; l = l->next) {
- sdi = hmo_probe_serial_device(l->data, serial_options);
- if (sdi != NULL) {
- devices = g_slist_append(devices, sdi);
- drvc->instances = g_slist_append(drvc->instances, sdi);
- }
- }
-
- g_slist_free_full(tty_devs, g_free);
- }
-
- return devices;
+ return sr_scpi_scan(di->priv, options, hmo_probe_serial_device);
}
static GSList *dev_list(void)
projects / libsigrok.git / commitdiff