saleae-logic: support for other FX2 devices (bare FX2)
This enables support for devices that have a different VID/PID than the Saleae Logic, and yet another after firmware upload. After firmware upload is checked every 100ms whether it came back, instead of always waiting for 2 seconds. If the kernel attaches a driver to a device we know, detact it first.
This commit is contained in:
Bert Vermeulen
parent
8722c31e26
commit
e10d6e32e4
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@ -20,8 +20,7 @@
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# Local lib, this is NOT meant to be installed!
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noinst_LTLIBRARIES = libsigrokhwcommon.la
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libsigrokhwcommon_la_SOURCES = \
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misc.c
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libsigrokhwcommon_la_SOURCES =
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if LA_SALEAE_LOGIC
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libsigrokhwcommon_la_SOURCES += ezusb.c
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@ -96,6 +96,14 @@ int ezusb_upload_firmware(libusb_device *dev, int configuration,
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return 1;
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}
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if (libusb_kernel_driver_active(hdl, 0)) {
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err = libusb_detach_kernel_driver(hdl, 0);
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if (err != 0) {
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g_warning("failed to detach kernel driver: %d", err);
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return 1;
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}
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}
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err = libusb_set_configuration(hdl, configuration);
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if (err != 0) {
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sr_warn("Unable to set configuration: %d", err);
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@ -1,100 +0,0 @@
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/*
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* This file is part of the sigrok project.
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*
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* Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <stdint.h>
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#include <glib.h>
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#ifdef HAVE_LIBUSB_1_0
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#include <libusb.h>
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#endif
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#include <sigrok.h>
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#include <sigrok-internal.h>
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#ifdef HAVE_LIBUSB_1_0
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int opendev2(int device_index, struct sr_device_instance **sdi,
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libusb_device *dev, struct libusb_device_descriptor *des,
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int *skip, uint16_t vid, uint16_t pid, int interface)
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{
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int err;
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if ((err = libusb_get_device_descriptor(dev, des))) {
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sr_warn("failed to get device descriptor: %d", err);
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return -1;
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}
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if (des->idVendor != vid || des->idProduct != pid)
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return 0;
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if (*skip != device_index) {
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/* Skip devices of this type that aren't the one we want. */
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*skip += 1;
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return 0;
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}
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/*
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* Should check the bus here, since we know that already. But what are
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* we going to do if it doesn't match after the right number of skips?
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*/
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if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) {
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(*sdi)->usb->address = libusb_get_device_address(dev);
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(*sdi)->status = SR_ST_ACTIVE;
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sr_info("opened device %d on %d.%d interface %d",
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(*sdi)->index, (*sdi)->usb->bus,
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(*sdi)->usb->address, interface);
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} else {
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sr_warn("failed to open device: %d", err);
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*sdi = NULL;
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}
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return 0;
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}
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int opendev3(struct sr_device_instance **sdi, libusb_device *dev,
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struct libusb_device_descriptor *des,
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uint16_t vid, uint16_t pid, int interface)
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{
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int err;
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if ((err = libusb_get_device_descriptor(dev, des))) {
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sr_warn("failed to get device descriptor: %d", err);
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return -1;
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}
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if (des->idVendor != vid || des->idProduct != pid)
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return 0;
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if (libusb_get_bus_number(dev) == (*sdi)->usb->bus
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&& libusb_get_device_address(dev) == (*sdi)->usb->address) {
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/* Found it. */
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if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) {
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(*sdi)->status = SR_ST_ACTIVE;
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sr_info("opened device %d on %d.%d interface %d",
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(*sdi)->index, (*sdi)->usb->bus,
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(*sdi)->usb->address, interface);
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} else {
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sr_warn("failed to open device: %d", err);
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*sdi = NULL;
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}
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}
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return 0;
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}
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#endif
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@ -27,27 +27,42 @@
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#include <sigrok.h>
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#include <sigrok-internal.h>
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#define USB_VENDOR 0x0925
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#define USB_PRODUCT 0x3881
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#define USB_VENDOR_NAME "Saleae"
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#define USB_MODEL_NAME "Logic"
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#define USB_MODEL_VERSION ""
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#define USB_INTERFACE 0
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#define USB_CONFIGURATION 1
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#define NUM_PROBES 8
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#define NUM_TRIGGER_STAGES 4
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#define TRIGGER_TYPES "01"
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#define FIRMWARE FIRMWARE_DIR "/saleae-logic.fw"
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#define GTV_TO_MSEC(gtv) (gtv.tv_sec * 1000 + gtv.tv_usec / 1000)
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/* delay in ms */
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#define FIRMWARE_RENUM_DELAY 2000
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#define MAX_RENUM_DELAY 3000
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#define NUM_SIMUL_TRANSFERS 10
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#define MAX_EMPTY_TRANSFERS (NUM_SIMUL_TRANSFERS * 2)
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/* Software trigger implementation: positive values indicate trigger stage. */
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#define TRIGGER_FIRED -1
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struct fx2_device {
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/* VID/PID when first found */
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uint16_t orig_vid;
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uint16_t orig_pid;
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/* VID/PID after firmware upload */
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uint16_t fw_vid;
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uint16_t fw_pid;
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char *vendor;
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char *model;
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char *model_version;
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int num_probes;
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};
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static struct fx2_device supported_fx2[] = {
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/* Saleae Logic */
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{ 0x0925, 0x3881, 0x0925, 0x3881, "Saleae", "Logic", NULL, 8 },
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/* default Cypress FX2 without EEPROM */
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{ 0x04b4, 0x8613, 0x0925, 0x3881, "Cypress", "FX2", NULL, 16 },
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{ 0, 0, 0, 0, NULL, NULL, NULL, 0 }
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};
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/* There is only one model Saleae Logic, and this is what it supports: */
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static int capabilities[] = {
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SR_HWCAP_LOGIC_ANALYZER,
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@ -68,7 +83,7 @@ static GSList *device_instances = NULL;
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* upgrade -- this is like a global lock. No device will open until a proper
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* delay after the last device was upgraded.
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*/
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static GTimeVal firmware_updated = { 0, 0 };
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static GTimeVal fw_updated = { 0, 0 };
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static libusb_context *usb_context = NULL;
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@ -100,7 +115,7 @@ static uint8_t probe_mask = 0;
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static uint8_t trigger_mask[NUM_TRIGGER_STAGES] = { 0 };
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static uint8_t trigger_value[NUM_TRIGGER_STAGES] = { 0 };
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static uint8_t trigger_buffer[NUM_TRIGGER_STAGES] = { 0 };
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static struct fx2_device *fx2 = NULL;
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static int trigger_stage = TRIGGER_FIRED;
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static int hw_set_configuration(int device_index, int capability, void *value);
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@ -168,43 +183,62 @@ static int check_conf_profile(libusb_device *dev)
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static struct sr_device_instance *sl_open_device(int device_index)
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{
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struct sr_device_instance *sdi;
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libusb_device **devlist;
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struct libusb_device_descriptor des;
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struct sr_device_instance *sdi;
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int err, skip, i;
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if (!(sdi = sr_get_device_instance(device_instances, device_index)))
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return NULL;
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if (sdi->status == SR_ST_ACTIVE)
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/* already in use */
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return NULL;
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skip = 0;
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libusb_get_device_list(usb_context, &devlist);
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if (sdi->status == SR_ST_INITIALIZING) {
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/*
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* This device was renumerating last time we touched it.
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* opendev() guarantees we've waited long enough for it to
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* have booted properly, so now we need to find it on
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* the bus and record its new address.
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*/
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skip = 0;
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for (i = 0; devlist[i]; i++) {
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/* TODO: Error handling. */
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err = opendev2(device_index, &sdi, devlist[i], &des,
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&skip, USB_VENDOR, USB_PRODUCT,
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USB_INTERFACE);
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for (i = 0; devlist[i]; i++) {
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if ((err = libusb_get_device_descriptor(devlist[i], &des))) {
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g_warning("failed to get device descriptor: %d", err);
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continue;
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}
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} else if (sdi->status == SR_ST_INACTIVE) {
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/*
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* This device is fully enumerated, so we need to find this
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* device by vendor, product, bus and address.
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*/
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libusb_get_device_list(usb_context, &devlist);
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for (i = 0; devlist[i]; i++) {
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/* TODO: Error handling. */
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err = opendev3(&sdi, devlist[i], &des, USB_VENDOR,
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USB_PRODUCT, USB_INTERFACE);
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if (des.idVendor != fx2->fw_vid || des.idProduct != fx2->fw_pid)
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continue;
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if (sdi->status == SR_ST_INITIALIZING) {
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if (skip != device_index) {
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/* Skip devices of this type that aren't the one we want. */
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skip += 1;
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continue;
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}
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} else if (sdi->status == SR_ST_INACTIVE) {
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/*
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* This device is fully enumerated, so we need to find this
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* device by vendor, product, bus and address.
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*/
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if (libusb_get_bus_number(devlist[i]) != sdi->usb->bus
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|| libusb_get_device_address(devlist[i]) != sdi->usb->address)
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/* this is not the one */
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continue;
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}
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if (!(err = libusb_open(devlist[i], &sdi->usb->devhdl))) {
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if (sdi->usb->address == 0xff)
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/*
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* first time we touch this device after firmware upload,
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* so we don't know the address yet.
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*/
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sdi->usb->address = libusb_get_device_address(devlist[i]);
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sdi->status = SR_ST_ACTIVE;
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g_message("saleae: opened device %d on %d.%d interface %d",
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sdi->index, sdi->usb->bus,
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sdi->usb->address, USB_INTERFACE);
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} else {
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g_warning("failed to open device: %d", err);
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sdi = NULL;
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}
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} else {
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/* Status must be SR_ST_ACTIVE, i.e. already in use... */
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sdi = NULL;
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}
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libusb_free_device_list(devlist, 1);
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@ -223,7 +257,7 @@ static int upload_firmware(libusb_device *dev)
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return 1;
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/* Remember when the last firmware update was done. */
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g_get_current_time(&firmware_updated);
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g_get_current_time(&fw_updated);
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return 0;
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}
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@ -296,7 +330,7 @@ static int hw_init(const char *deviceinfo)
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struct sr_device_instance *sdi;
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struct libusb_device_descriptor des;
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libusb_device **devlist;
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int err, devcnt, i;
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int err, devcnt, i, j;
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/* Avoid compiler warnings. */
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deviceinfo = deviceinfo;
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@ -307,6 +341,7 @@ static int hw_init(const char *deviceinfo)
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}
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/* Find all Saleae Logic devices and upload firmware to all of them. */
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fx2 = NULL;
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devcnt = 0;
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libusb_get_device_list(usb_context, &devlist);
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for (i = 0; devlist[i]; i++) {
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@ -316,11 +351,19 @@ static int hw_init(const char *deviceinfo)
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continue;
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}
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if (des.idVendor != USB_VENDOR || des.idProduct != USB_PRODUCT)
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continue; /* Not a Saleae Logic... */
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for (j = 0; supported_fx2[j].orig_vid; j++) {
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if (des.idVendor == supported_fx2[j].orig_vid
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&& des.idProduct == supported_fx2[j].orig_pid) {
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fx2 = &supported_fx2[j];
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break;
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}
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}
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if (!fx2)
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/* not a supported VID/PID */
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continue;
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sdi = sr_device_instance_new(devcnt, SR_ST_INITIALIZING,
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USB_VENDOR_NAME, USB_MODEL_NAME, USB_MODEL_VERSION);
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fx2->vendor, fx2->model, fx2->model_version);
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if (!sdi)
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return 0;
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device_instances = g_slist_append(device_instances, sdi);
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@ -336,14 +379,18 @@ static int hw_init(const char *deviceinfo)
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devcnt);
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sdi->usb = sr_usb_device_instance_new
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(libusb_get_bus_number(devlist[i]), 0, NULL);
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(libusb_get_bus_number(devlist[i]), 0xff, NULL);
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} else {
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/* Already has the firmware, so fix the new address. */
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sdi->status = SR_ST_INACTIVE;
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sdi->usb = sr_usb_device_instance_new
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(libusb_get_bus_number(devlist[i]),
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libusb_get_device_address(devlist[i]), NULL);
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}
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devcnt++;
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/* not supporting multiple FX2s in this driver yet */
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break;
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}
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libusb_free_device_list(devlist, 1);
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@ -355,25 +402,30 @@ static int hw_opendev(int device_index)
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GTimeVal cur_time;
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struct sr_device_instance *sdi;
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int timediff, err;
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unsigned int cur, upd;
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if (firmware_updated.tv_sec > 0) {
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/* Firmware was recently uploaded. */
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g_get_current_time(&cur_time);
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cur = cur_time.tv_sec * 1000 + cur_time.tv_usec / 1000;
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upd = firmware_updated.tv_sec * 1000 +
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firmware_updated.tv_usec / 1000;
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timediff = cur - upd;
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if (timediff < FIRMWARE_RENUM_DELAY) {
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timediff = FIRMWARE_RENUM_DELAY - timediff;
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sr_info("saleae: waiting %d ms for device to reset",
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timediff);
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g_usleep(timediff * 1000);
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firmware_updated.tv_sec = 0;
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/*
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* if the firmware was recently uploaded, wait up to MAX_RENUM_DELAY ms
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* for the FX2 to renumerate
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*/
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sdi = NULL;
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if (fw_updated.tv_sec > 0) {
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g_message("saleae: waiting for device to reset");
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/* takes at least 300ms for the FX2 to be gone from the USB bus */
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g_usleep(300*1000);
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timediff = 0;
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while (timediff < MAX_RENUM_DELAY) {
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if ((sdi = sl_open_device(device_index)))
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break;
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g_usleep(100*1000);
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g_get_current_time(&cur_time);
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timediff = GTV_TO_MSEC(cur_time) - GTV_TO_MSEC(fw_updated);
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}
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g_message("saleae: device came back after %d ms", timediff);
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} else {
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sdi = sl_open_device(device_index);
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}
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if (!(sdi = sl_open_device(device_index))) {
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if (!sdi) {
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sr_warn("unable to open device");
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return SR_ERR;
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}
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@ -441,7 +493,7 @@ static void *hw_get_device_info(int device_index, int device_info_id)
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info = sdi;
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break;
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case SR_DI_NUM_PROBES:
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info = GINT_TO_POINTER(NUM_PROBES);
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info = GINT_TO_POINTER(fx2->num_probes);
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break;
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case SR_DI_SAMPLERATES:
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info = &samplerates;
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@ -735,7 +787,7 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id)
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gettimeofday(&header->starttime, NULL);
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header->samplerate = cur_samplerate;
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header->protocol_id = SR_PROTO_RAW;
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header->num_logic_probes = NUM_PROBES;
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header->num_logic_probes = fx2->num_probes;
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header->num_analog_probes = 0;
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sr_session_bus(session_device_id, packet);
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g_free(header);
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