X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Flascar-el-usb%2Fprotocol.c;h=7916f05dd5e256a98a1c0c485568e6cc0b28a84e;hb=HEAD;hp=1a9b2be5dca0a441d7f29fcde7e9b3d972af860c;hpb=851d5b2274f138d58be42adbbe584d9a4c4dfe01;p=libsigrok.git diff --git a/hardware/lascar-el-usb/protocol.c b/hardware/lascar-el-usb/protocol.c deleted file mode 100644 index 1a9b2be5..00000000 --- a/hardware/lascar-el-usb/protocol.c +++ /dev/null @@ -1,279 +0,0 @@ -/* - * This file is part of the libsigrok project. - * - * Copyright (C) 2012 Bert Vermeulen - * - * 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 . - */ - -#include -#include -#include -#include -#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; -}