2012-02-11 12:08:49 +00:00
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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) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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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 <stdio.h>
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#include <stdlib.h>
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2012-02-11 17:39:39 +00:00
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#include <inttypes.h>
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2012-02-11 16:08:47 +00:00
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#include <glib.h>
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#include <libusb.h>
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2012-02-11 12:08:49 +00:00
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#include "config.h"
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#include "sigrok.h"
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#include "sigrok-internal.h"
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#include "fx2lafw.h"
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2012-02-11 16:08:47 +00:00
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static struct fx2lafw_profile supported_fx2[] = {
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/* USBee AX */
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{ 0x08a9, 0x0014, "CWAV", "USBee AX", NULL, 8 },
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{ 0, 0, 0, 0, 0, 0 }
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};
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2012-02-11 17:39:39 +00:00
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static int fx2lafw_capabilities[] = {
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SR_HWCAP_LOGIC_ANALYZER,
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SR_HWCAP_SAMPLERATE,
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/* These are really implemented in the driver, not the hardware. */
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SR_HWCAP_LIMIT_SAMPLES,
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SR_HWCAP_CONTINUOUS,
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0
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};
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static const char *fx2lafw_probe_names[] = {
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"D0",
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"D1",
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"D2",
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"D3",
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"D4",
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"D5",
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"D6",
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"D7",
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NULL
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};
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static uint64_t fx2lafw_supported_samplerates[] = {
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SR_MHZ(1),
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SR_MHZ(2),
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SR_MHZ(3),
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SR_MHZ(4),
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SR_MHZ(6),
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SR_MHZ(8),
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SR_MHZ(12),
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SR_MHZ(16),
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SR_MHZ(24)
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};
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static struct sr_samplerates fx2lafw_samplerates = {
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SR_MHZ(1),
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SR_MHZ(24),
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SR_HZ(0),
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fx2lafw_supported_samplerates
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};
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2012-02-27 20:50:00 +00:00
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static GSList *dev_insts = NULL;
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2012-02-11 16:08:47 +00:00
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static libusb_context *usb_context = NULL;
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static struct fx2lafw_device* fx2lafw_device_new(void)
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{
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struct fx2lafw_device *fx2lafw;
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if (!(fx2lafw = g_try_malloc0(sizeof(struct fx2lafw_device)))) {
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sr_err("fx2lafw: %s: fx2lafw_device malloc failed", __func__);
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return NULL;
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}
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return fx2lafw;
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}
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2012-02-11 12:08:49 +00:00
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/*
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* API callbacks
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*/
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static int hw_init(const char *deviceinfo)
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{
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2012-02-11 16:08:47 +00:00
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struct sr_dev_inst *sdi;
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struct libusb_device_descriptor des;
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struct fx2lafw_profile *fx2lafw_prof;
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2012-02-27 19:41:10 +00:00
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struct fx2lafw_device *ctx;
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2012-02-11 16:08:47 +00:00
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libusb_device **devlist;
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int err;
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int devcnt = 0;
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int i, j;
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/* Avoid compiler warnings. */
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2012-02-11 12:08:49 +00:00
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(void)deviceinfo;
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2012-02-11 16:08:47 +00:00
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if (libusb_init(&usb_context) != 0) {
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sr_warn("Failed to initialize USB.");
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return 0;
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}
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/* Find all fx2lafw compatible devices and upload firware to all of them. */
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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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if ((err = libusb_get_device_descriptor(
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devlist[i], &des)) != 0) {
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sr_warn("failed to get device descriptor: %d", err);
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continue;
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}
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fx2lafw_prof = NULL;
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for (j = 0; supported_fx2[j].vid; j++) {
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if (des.idVendor == supported_fx2[j].vid &&
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des.idProduct == supported_fx2[j].pid) {
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fx2lafw_prof = &supported_fx2[j];
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}
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}
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/* Skip if the device was not found */
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if(!fx2lafw_prof)
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continue;
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sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING,
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fx2lafw_prof->vendor, fx2lafw_prof->model,
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fx2lafw_prof->model_version);
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if(!sdi)
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return 0;
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2012-02-27 19:41:10 +00:00
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ctx = fx2lafw_device_new();
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ctx->profile = fx2lafw_prof;
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sdi->priv = ctx;
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2012-02-27 20:50:00 +00:00
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device_instances = g_slist_append(dev_insts, sdi);
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2012-02-11 16:08:47 +00:00
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devcnt++;
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}
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libusb_free_device_list(devlist, 1);
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return devcnt;
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2012-02-11 12:08:49 +00:00
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}
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static int hw_dev_open(int device_index)
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{
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(void)device_index;
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return SR_OK;
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}
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static int hw_dev_close(int device_index)
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{
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(void)device_index;
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return SR_OK;
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}
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static int hw_cleanup(void)
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{
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2012-02-11 16:08:47 +00:00
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GSList *l;
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struct sr_dev_inst *sdi;
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for(l = device_instances; l; l = l->next) {
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sdi = l->data;
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sr_dev_inst_free(sdi);
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}
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g_slist_free(device_instances);
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device_instances = NULL;
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if(usb_context)
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libusb_exit(usb_context);
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usb_context = NULL;
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2012-02-11 12:08:49 +00:00
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return SR_OK;
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}
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static void *hw_dev_info_get(int device_index, int device_info_id)
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{
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2012-02-11 17:39:39 +00:00
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struct sr_dev_inst *sdi;
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struct fx2lafw_device *fx2lafw_dev;
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2012-02-27 20:50:00 +00:00
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if (!(sdi = sr_dev_inst_get(dev_insts, device_index)))
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2012-02-11 17:39:39 +00:00
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return NULL;
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fx2lafw_dev = sdi->priv;
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switch (device_info_id) {
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case SR_DI_INST:
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return sdi;
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case SR_DI_NUM_PROBES:
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return GINT_TO_POINTER(fx2lafw_dev->profile->num_probes);
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case SR_DI_PROBE_NAMES:
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return fx2lafw_probe_names;
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case SR_DI_SAMPLERATES:
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return &fx2lafw_samplerates;
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case SR_DI_TRIGGER_TYPES:
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return TRIGGER_TYPES;
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}
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2012-02-11 12:08:49 +00:00
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return NULL;
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}
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static int hw_dev_status_get(int device_index)
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{
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2012-02-11 17:41:22 +00:00
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const struct sr_dev_inst *const sdi =
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2012-02-27 20:50:00 +00:00
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sr_dev_inst_get(dev_insts, device_index);
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2012-02-11 17:41:22 +00:00
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if (!sdi)
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return SR_ST_NOT_FOUND;
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return sdi->status;
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2012-02-11 12:08:49 +00:00
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}
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static int *hw_hwcap_get_all(void)
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{
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2012-02-11 17:39:39 +00:00
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return fx2lafw_capabilities;
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2012-02-11 12:08:49 +00:00
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}
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static int hw_dev_config_set(int dev_index, int capability, void *value)
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{
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(void)dev_index;
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(void)capability;
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(void)value;
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return SR_OK;
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}
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static int hw_dev_acquisition_start(int dev_index, gpointer session_data)
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{
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(void)dev_index;
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(void)session_data;
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return SR_OK;
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}
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/* This stops acquisition on ALL devices, ignoring device_index. */
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static int hw_dev_acquisition_stop(int dev_index, gpointer session_data)
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{
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(void)dev_index;
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(void)session_data;
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return SR_OK;
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}
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SR_PRIV struct sr_dev_plugin fx2lafw_plugin_info = {
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.name = "fx2lafw",
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.longname = "fx2lafw",
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.api_version = 1,
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.init = hw_init,
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.cleanup = hw_cleanup,
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.dev_open = hw_dev_open,
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.dev_close = hw_dev_close,
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.dev_info_get = hw_dev_info_get,
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.dev_status_get = hw_dev_status_get,
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.hwcap_get_all = hw_hwcap_get_all,
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.dev_config_set = hw_dev_config_set,
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.dev_acquisition_start = hw_dev_acquisition_start,
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.dev_acquisition_stop = hw_dev_acquisition_stop,
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};
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