+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 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 <stdlib.h>
-#include <sys/time.h>
-#include <string.h>
-#include <glib.h>
-#include "libsigrok.h"
-#include "libsigrok-internal.h"
-#include "protocol.h"
-
-#define LASCAR_VENDOR "Lascar"
-#define LASCAR_INTERFACE 0
-#define LASCAR_EP_IN 0x82
-#define LASCAR_EP_OUT 2
-/* Max 100ms for a device to positively identify. */
-#define SCAN_TIMEOUT 100000
-
-extern struct sr_dev_driver lascar_el_usb_driver_info;
-static struct sr_dev_driver *di = &lascar_el_usb_driver_info;
-
-static const struct elusb_profile profiles[] = {
- { 1, "EL-USB-1", LOG_UNSUPPORTED },
- { 2, "EL-USB-1", LOG_UNSUPPORTED },
- { 3, "EL-USB-2", LOG_TEMP_RH },
- { 4, "EL-USB-3", LOG_UNSUPPORTED },
- { 5, "EL-USB-4", LOG_UNSUPPORTED },
- { 6, "EL-USB-3", LOG_UNSUPPORTED },
- { 7, "EL-USB-4", LOG_UNSUPPORTED },
- { 8, "EL-USB-LITE", LOG_UNSUPPORTED },
- { 9, "EL-USB-CO", LOG_CO },
- { 10, "EL-USB-TC", LOG_UNSUPPORTED },
- { 11, "EL-USB-CO300", LOG_UNSUPPORTED },
- { 12, "EL-USB-2-LCD", LOG_UNSUPPORTED },
- { 13, "EL-USB-2+", LOG_UNSUPPORTED },
- { 14, "EL-USB-1-PRO", LOG_UNSUPPORTED },
- { 15, "EL-USB-TC-LCD", LOG_UNSUPPORTED },
- { 16, "EL-USB-2-LCD+", LOG_UNSUPPORTED },
- { 17, "EL-USB-5", LOG_UNSUPPORTED },
- { 18, "EL-USB-1-RCG", LOG_UNSUPPORTED },
- { 19, "EL-USB-1-LCD", LOG_UNSUPPORTED },
- { 20, "EL-OEM-3", LOG_UNSUPPORTED },
- { 21, "EL-USB-1-LCD", LOG_UNSUPPORTED },
- { 0, NULL, 0 }
-};
-
-
-static void scan_xfer(struct libusb_transfer *xfer)
-{
-
- xfer->user_data = GINT_TO_POINTER(1);
-
-}
-
-static struct sr_dev_inst *lascar_identify(libusb_device_handle *dev_hdl)
-{
- struct drv_context *drvc;
- const struct elusb_profile *profile;
- struct sr_dev_inst *sdi;
- struct libusb_transfer *xfer_in, *xfer_out;
- struct timeval tv;
- int64_t start;
- int modelid, buflen, i;
- unsigned char cmd[3], buf[256];
- char firmware[5];
-
- drvc = di->priv;
- modelid = 0;
-
- /* Some of these fail, but it needs doing -- some sort of mode
- * setup for the SILabs F32x. */
- libusb_control_transfer(dev_hdl, LIBUSB_REQUEST_TYPE_VENDOR,
- 0x00, 0xffff, 0x00, buf, 0, 50);
- libusb_control_transfer(dev_hdl, LIBUSB_REQUEST_TYPE_VENDOR,
- 0x02, 0x0002, 0x00, buf, 0, 50);
- libusb_control_transfer(dev_hdl, LIBUSB_REQUEST_TYPE_VENDOR,
- 0x02, 0x0001, 0x00, buf, 0, 50);
-
- if (!(xfer_in = libusb_alloc_transfer(0)) ||
- !(xfer_out = libusb_alloc_transfer(0)))
- return 0;
-
- /* Flush anything the F321 still has queued. */
- while (libusb_bulk_transfer(dev_hdl, LASCAR_EP_IN, buf, 256, &buflen,
- 5) == 0 && buflen > 0)
- ;
-
- /* Keep a read request waiting in the wings, ready to pounce
- * the moment the device sends something. */
- libusb_fill_bulk_transfer(xfer_in, dev_hdl, LASCAR_EP_IN,
- buf, 256, scan_xfer, 0, 10000);
- if (libusb_submit_transfer(xfer_in) != 0)
- goto cleanup;
-
- /* Request device configuration structure. */
- cmd[0] = 0x00;
- cmd[1] = 0xff;
- cmd[2] = 0xff;
- libusb_fill_bulk_transfer(xfer_out, dev_hdl, LASCAR_EP_OUT,
- cmd, 3, scan_xfer, 0, 100);
- if (libusb_submit_transfer(xfer_out) != 0)
- goto cleanup;
-
- tv.tv_sec = 0;
- tv.tv_usec = 0;
- start = g_get_monotonic_time();
- while (!xfer_in->user_data || !xfer_out->user_data) {
- if (g_get_monotonic_time() - start > SCAN_TIMEOUT) {
- start = 0;
- break;
- }
- g_usleep(5000);
- libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
- }
- if (!start) {
- sr_dbg("no response");
- goto cleanup;
- }
- if (xfer_in->actual_length != 3) {
- sr_dbg("expected 3-byte header, got %d bytes", xfer_in->actual_length);
- goto cleanup;
- }
-
- /* Got configuration structure header. */
- sr_spew("response to config request: 0x%.2x 0x%.2x 0x%.2x ",
- buf[0], buf[1], buf[2]);
- buflen = buf[1] | (buf[2] << 8);
- if (buf[0] != 0x02 || buflen > 256) {
- sr_dbg("Invalid response to config request: "
- "0x%.2x 0x%.2x 0x%.2x ", buf[0], buf[1], buf[2]);
- libusb_close(dev_hdl);
- goto cleanup;
- }
-
- /* Get configuration structure. */
- xfer_in->length = buflen;
- xfer_in->user_data = 0;
- if (libusb_submit_transfer(xfer_in) != 0)
- goto cleanup;
- while (!xfer_in->user_data) {
- if (g_get_monotonic_time() - start > SCAN_TIMEOUT) {
- start = 0;
- break;
- }
- g_usleep(5000);
- libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
- }
- if (!start) {
- sr_dbg("Timeout waiting for configuration structure.");
- goto cleanup;
- }
- if (xfer_in->actual_length != buflen) {
- sr_dbg("expected %d-byte structure, got %d bytes", buflen,
- xfer_in->actual_length);
- goto cleanup;
- }
- modelid = buf[0];
-
-cleanup:
- if (!xfer_in->user_data || !xfer_in->user_data) {
- if (!xfer_in->user_data)
- libusb_cancel_transfer(xfer_in);
- if (!xfer_out->user_data)
- libusb_cancel_transfer(xfer_out);
- start = g_get_monotonic_time();
- while (!xfer_in->user_data || !xfer_out->user_data) {
- if (g_get_monotonic_time() - start > 10000)
- break;
- g_usleep(1000);
- libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
- }
- }
- libusb_free_transfer(xfer_in);
- libusb_free_transfer(xfer_out);
-
- sdi = NULL;
- if (modelid) {
- profile = NULL;
- for (i = 0; profiles[i].modelid; i++) {
- if (profiles[i].modelid == modelid) {
- profile = &profiles[i];
- break;
- }
- }
- if (!profile) {
- sr_dbg("unknown EL-USB modelid %d", modelid);
- return NULL;
- }
-
- i = buf[52] | (buf[53] << 8);
- memcpy(firmware, buf + 0x30, 4);
- firmware[4] = '\0';
- sr_dbg("found %s with firmware version %s serial %d",
- profile->modelname, firmware, i);
-
- if (profile->logformat == LOG_UNSUPPORTED) {
- sr_dbg("unsupported EL-USB logformat for %s", profile->modelname);
- return NULL;
- }
-
- if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, LASCAR_VENDOR,
- profile->modelname, firmware)))
- return NULL;
- sdi->driver = di;
- }
-
- return sdi;
-}
-
-SR_PRIV struct sr_dev_inst *lascar_scan(int bus, int address)
-{
- struct drv_context *drvc;
- struct sr_dev_inst *sdi;
- struct libusb_device **devlist;
- struct libusb_device_descriptor des;
- libusb_device_handle *dev_hdl;
- int ret, i;
-
- drvc = di->priv;
- sdi = NULL;
-
- libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
- for (i = 0; devlist[i]; i++) {
- if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
- sr_err("Failed to get device descriptor: %d.", ret);
- continue;
- }
-
- if (libusb_get_bus_number(devlist[i]) != bus ||
- libusb_get_device_address(devlist[i]) != address)
- continue;
-
- if ((ret = libusb_open(devlist[i], &dev_hdl)) != 0) {
- sr_dbg("failed to open device for scan: %s",
- libusb_error_name(ret));
- continue;
- }
-
- sdi = lascar_identify(dev_hdl);
- libusb_close(dev_hdl);
- }
-
- return sdi;
-}
-
-
-SR_PRIV int lascar_el_usb_receive_data(int fd, int revents, void *cb_data)
-{
- const struct sr_dev_inst *sdi;
- struct dev_context *devc;
-
- if (!(sdi = cb_data))
- return TRUE;
-
- if (!(devc = sdi->priv))
- return TRUE;
-
- if (revents == G_IO_IN) {
- /* TODO */
- }
-
- return TRUE;
-}