/* -*- c++ -*- */
/*
* Copyright 2003,2004,2006,2009 Free Software Foundation, Inc.
- *
+ *
* This file is part of GNU Radio
- *
+ *
* GNU Radio 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, or (at your option)
* any later version.
- *
+ *
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
#include "config.h"
#endif
-#include "usrp/usrp_prims.h"
+#include "usrp_primsi.h"
#include "usrp_commands.h"
-#include "usrp_ids.h"
-#include "usrp_i2c_addr.h"
-#include "fpga_regs_common.h"
-#include "fpga_regs_standard.h"
#include <libusb-1.0/libusb.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
-#include <time.h> // FIXME should check with autoconf (nanosleep)
-#include <algorithm>
#include <ad9862.h>
#include <assert.h>
#include "md5.h"
};
-#define VERBOSE 0
-
using namespace ad9862;
-bool our_nanosleep (const struct timespec *delay);
-const char *get_proto_filename (const std::string user_filename,
- const char *env_var,
- const char *def);
-char *find_file (const char *filename, int hw_rev);
-void load_status_msg (usrp_load_status_t s, const char *type,
- const char *filename);
-bool usrp1_fpga_write (libusb_device_handle *udh, int regno, int value);
-bool usrp1_fpga_read (libusb_device_handle *udh, int regno, int *value);
-bool usrp_set_switch (libusb_device_handle *udh, int cmd_byte, bool on);
-
-bool usrp_set_fpga_reset (struct usb_dev_handle *udh, bool on);
-bool usrp_set_fpga_tx_enable (struct usb_dev_handle *udh, bool on);
-bool usrp_set_fpga_rx_enable (struct usb_dev_handle *udh, bool on);
-bool usrp_set_fpga_tx_reset (struct usb_dev_handle *udh, bool on);
-bool usrp_set_fpga_rx_reset (struct usb_dev_handle *udh, bool on);
-
-
-static const int FIRMWARE_HASH_SLOT = 0;
-static const int FPGA_HASH_SLOT = 1;
-
-static const int hash_slot_addr[2] = {
- USRP_HASH_SLOT_0_ADDR,
- USRP_HASH_SLOT_1_ADDR
-};
+static const int LIBUSB1_DEBUG = 0;
-static const char *default_firmware_filename = "std.ihx";
-static const char *default_fpga_filename = "std_2rxhb_2tx.rbf";
+/*
+ * libusb 0.12 / 1.0 compatibility
+ */
-#include "std_paths.h"
-#include <stdio.h>
+static const char *
+_get_usb_error_str (int usb_err)
+{
+ switch (usb_err) {
+ case LIBUSB_SUCCESS:
+ return "Success (no error)";
+ case LIBUSB_ERROR_IO:
+ return "Input/output error";
+ case LIBUSB_ERROR_INVALID_PARAM:
+ return "Invalid parameter";
+ case LIBUSB_ERROR_ACCESS:
+ return "Access denied (insufficient permissions)";
+ case LIBUSB_ERROR_NO_DEVICE:
+ return "No such device (it may have been disconnected)";
+ case LIBUSB_ERROR_NOT_FOUND:
+ return "Entity not found";
+ case LIBUSB_ERROR_BUSY:
+ return "Resource busy";
+ case LIBUSB_ERROR_TIMEOUT:
+ return "Operation timed out";
+ case LIBUSB_ERROR_OVERFLOW:
+ return "Overflow";
+ case LIBUSB_ERROR_PIPE:
+ return "Pipe error";
+ case LIBUSB_ERROR_INTERRUPTED:
+ return "System call interrupted (perhaps due to signal)";
+ case LIBUSB_ERROR_NO_MEM:
+ return "Insufficient memory";
+ case LIBUSB_ERROR_NOT_SUPPORTED:
+ return "Operation not supported or unimplemented on this platform";
+ case LIBUSB_ERROR_OTHER:
+ return "Unknown error";
+ }
+
+ return "Unknown error";
+}
-libusb_context *
-usrp_one_time_init (bool new_context)
+struct libusb_device *
+_get_usb_device (struct libusb_device_handle *udh)
{
+ return libusb_get_device (udh);
+}
- static bool first = true;
- libusb_context *ctx = NULL;
+struct libusb_device_descriptor
+_get_usb_device_descriptor(struct libusb_device *q)
+{
int ret;
+ struct libusb_device_descriptor desc;
- // On first call create default context in addition to any new requested
- // context. The default context is probably useless in this form, but keep
- // it for now due to compatibility reasons.
+ ret = libusb_get_device_descriptor(q, &desc);
- if (first) {
- first = false;
- if ((ret = libusb_init (NULL)) < 0)
- fprintf (stderr, "usrp: libusb_init failed %i\n", ret);
+ if (ret < 0) {
+ fprintf (stderr, "usrp: libusb_get_device_descriptor failed: %s\n",
+ _get_usb_error_str(ret));
}
+ return desc;
+}
- if (new_context) {
- if ((ret = libusb_init (&ctx)) < 0)
- fprintf (stderr, "usrp: libusb_init failed %i\n", ret);
- }
+int
+_get_usb_string_descriptor (struct libusb_device_handle *udh, int index,
+ unsigned char* data, int length)
+{
+ int ret;
+ ret = libusb_get_string_descriptor_ascii (udh, (uint8_t) index, data, length);
- return ctx;
+ if (ret < 0) {
+ fprintf (stderr, "usrp: libusb_get_string_descriptor_ascii failed: %s\n",
+ _get_usb_error_str(ret));
+ }
+ return ret;
}
-void
-usrp_rescan ()
+int
+_usb_control_transfer (struct libusb_device_handle *udh, int request_type,
+ int request, int value, int index,
+ unsigned char *data, int length, unsigned int timeout)
{
- // nop
+ int ret;
+ ret = libusb_control_transfer (udh, request_type, request, value, index,
+ data, length, timeout);
+ if (ret < 0) {
+ fprintf (stderr, "usrp: libusb_control_transfer failed: %s\n",
+ _get_usb_error_str(ret));
+ }
+ return ret;
}
-// ----------------------------------------------------------------
-/*
- * q must be a real USRP, not an FX2. Return its hardware rev number.
- */
-int
-usrp_hw_rev (struct libusb_device *q)
-{
- struct libusb_device_descriptor desc;
- if (libusb_get_device_descriptor(q, &desc) < 0)
- fprintf (stderr, "usrp: libusb_get_device_descriptor failed\n");
+// ----------------------------------------------------------------
- return desc.bcdDevice & 0x00FF;
-}
-/*
- * q must be a real USRP, not an FX2. Return true if it's configured.
- */
-static bool
-_usrp_configured_p (struct libusb_device *q)
+void
+usrp_one_time_init (libusb_context **ctx)
{
- struct libusb_device_descriptor desc;
- if (libusb_get_device_descriptor(q, &desc) < 0)
- fprintf (stderr, "usrp: libusb_get_device_descriptor failed\n");
+ int ret;
- return (desc.bcdDevice & 0xFF00) != 0;
+ if ((ret = libusb_init (ctx)) < 0)
+ fprintf (stderr, "usrp: libusb_init failed: %s\n", _get_usb_error_str(ret));
+
+ // Enable debug verbosity if requested. This will only work if the debug
+ // option is compiled into libusb and may produce a generous amount of output
+ // on stdout. If debug output is not compiled into libusb, this call does
+ // nothing.
+ if (LIBUSB1_DEBUG)
+ libusb_set_debug(*ctx, 3);
}
-bool
-usrp_usrp_p (struct libusb_device *q)
+void
+usrp_deinit (struct libusb_context *ctx)
{
- struct libusb_device_descriptor desc;
- if (libusb_get_device_descriptor(q, &desc) < 0)
- fprintf (stderr, "usrp: libusb_get_device_descriptor failed\n");
-
- return (desc.idVendor == USB_VID_FSF
- && desc.idProduct == USB_PID_FSF_USRP);
+ // Each object _should_ be running in its own context. If running in default
+ // context then leave the instance open as it may be shared.
+ if (ctx != NULL)
+ libusb_exit (ctx);
}
-bool
-usrp_fx2_p (struct libusb_device *q)
+void
+usrp_rescan ()
{
- struct libusb_device_descriptor desc;
- if (libusb_get_device_descriptor(q, &desc) < 0)
- fprintf (stderr, "usrp: libusb_get_device_descriptor failed\n");
-
- return (desc.idVendor == USB_VID_CYPRESS
- && desc.idProduct == USB_PID_CYPRESS_FX2);
+ // nop
}
-
-// ----------------------------------------------------------------
-
struct libusb_device *
usrp_find_device (int nth, bool fx2_ok_p, libusb_context *ctx)
{
struct libusb_device *q;
int n_found = 0;
-//usrp_one_time_init (false);
+ // Make sure not operating on default context. There are cases where operating
+ // with a single global (NULL) context may be preferable, so this check can be
+ // skipped if you know what you're doing.
assert (ctx != NULL);
size_t cnt = libusb_get_device_list(ctx, &list);
size_t i = 0;
if (cnt < 0)
- fprintf(stderr, "usrp: libusb_get_device_list failed %d\n", cnt);
+ fprintf(stderr, "usrp: libusb_get_device_list failed: %s\n",
+ _get_usb_error_str(cnt));
for (i = 0; i < cnt; i++) {
q = list[i];
}
}
-/*
- * The list needs to be freed. Right now just release it if nothing is found.
- */
-
+ // The list needs to be freed. Right now just release it if nothing is found.
libusb_free_device_list(list, 1);
return 0; // not found
struct libusb_device_handle *
usrp_open_interface (libusb_device *dev, int interface, int altinterface)
{
- struct libusb_device_handle *udh;
+ libusb_device_handle *udh;
int ret;
if (libusb_open (dev, &udh) < 0)
}
if ((ret = libusb_claim_interface (udh, interface)) < 0) {
- fprintf (stderr, "%s:usb_claim_interface: failed interface %d\n", __FUNCTION__,interface);
- fprintf (stderr, "%d\n", ret);
+ fprintf (stderr, "%s:usb_claim_interface: failed interface %d\n",
+ __FUNCTION__, interface);
+ fprintf (stderr, "%s\n", _get_usb_error_str(ret));
libusb_close (udh);
return 0;
}
if ((ret = libusb_set_interface_alt_setting (udh, interface,
- altinterface)) < 0) {
+ altinterface)) < 0) {
fprintf (stderr, "%s:usb_set_alt_interface: failed\n", __FUNCTION__);
- fprintf (stderr, "%d\n", ret);
+ fprintf (stderr, "%s\n", _get_usb_error_str(ret));
libusb_release_interface (udh, interface);
libusb_close (udh);
return 0;
return 0;
}
-// ----------------------------------------------------------------
-// write internal ram using Cypress vendor extension
-
-bool
-write_internal_ram (struct libusb_device_handle *udh, unsigned char *buf,
- int start_addr, size_t len)
-{
- int addr;
- int n;
- int a;
- int quanta = MAX_EP0_PKTSIZE;
-
- for (addr = start_addr; addr < start_addr + (int) len; addr += quanta){
- n = len + start_addr - addr;
- if (n > quanta)
- n = quanta;
-
- a = libusb_control_transfer (udh, 0x40, 0xA0,
- addr, 0, (unsigned char *)(buf + (addr - start_addr)), n, 1000);
-
- if (a < 0){
- fprintf(stderr,"write_internal_ram failed: %u\n", a);
- return false;
- }
- }
- return true;
-}
// ----------------------------------------------------------------
// write vendor extension command to USRP
+
int
write_cmd (struct libusb_device_handle *udh,
int request, int value, int index,
unsigned char *bytes, int len)
{
- int requesttype = (request & 0x80) ? VRT_VENDOR_IN : VRT_VENDOR_OUT;
+ int requesttype = (request & 0x80) ? VRT_VENDOR_IN : VRT_VENDOR_OUT;
- int r = libusb_control_transfer(udh, requesttype, request, value, index,
- (unsigned char *) bytes, len, 1000);
+ int ret = libusb_control_transfer(udh, requesttype, request, value, index,
+ bytes, len, 1000);
- if (r < 0){
+ if (ret < 0) {
// we get EPIPE if the firmware stalls the endpoint.
- if (r != LIBUSB_ERROR_PIPE) {
- fprintf (stderr, "libusb_control_transfer failed: %i\n", r);
- }
- }
-
- return r;
-}
-
-bool
-usrp_set_hash (struct libusb_device_handle *udh, int which,
- const unsigned char hash[USRP_HASH_SIZE])
-{
- which &= 1;
-
- // we use the Cypress firmware down load command to jam it in.
- int r = libusb_control_transfer (udh, 0x40, 0xa0, hash_slot_addr[which], 0,
- (unsigned char *) hash, USRP_HASH_SIZE, 1000);
- return r == USRP_HASH_SIZE;
-}
-
-bool
-usrp_get_hash (struct libusb_device_handle *udh, int which,
- unsigned char hash[USRP_HASH_SIZE])
-{
- which &= 1;
-
- // we use the Cypress firmware upload command to fetch it.
- int r = libusb_control_transfer (udh, 0xc0, 0xa0, hash_slot_addr[which], 0,
- (unsigned char *) hash, USRP_HASH_SIZE, 1000);
- return r == USRP_HASH_SIZE;
-}
-
-bool
-usrp_write_fpga_reg (struct libusb_device_handle *udh, int reg, int value)
-{
- switch (usrp_hw_rev (libusb_get_device (udh))){
- case 0: // not supported ;)
- abort();
-
- default:
- return usrp1_fpga_write (udh, reg, value);
- }
-}
-
-bool
-usrp_read_fpga_reg (struct libusb_device_handle *udh, int reg, int *value)
-{
- switch (usrp_hw_rev (libusb_get_device (udh))){
- case 0: // not supported ;)
- abort();
-
- default:
- return usrp1_fpga_read (udh, reg, value);
- }
-}
-
-
-static libusb_device_handle *
-open_nth_cmd_interface (int nth, libusb_context *ctx)
-{
-
- struct libusb_device *udev = usrp_find_device (nth, false, ctx);
- if (udev == 0){
- fprintf (stderr, "usrp: failed to find usrp[%d]\n", nth);
- return 0;
- }
-
- struct libusb_device_handle *udh;
-
- udh = usrp_open_cmd_interface (udev);
- if (udh == 0){
- // FIXME this could be because somebody else has it open.
- // We should delay and retry...
- fprintf (stderr, "open_nth_cmd_interface: open_cmd_interface failed\n");
- return 0;
- }
-
- return udh;
-}
-
-usrp_load_status_t
-usrp_load_firmware_nth (int nth, const char *filename, bool force, libusb_context *ctx)
-{
- struct libusb_device_handle *udh = open_nth_cmd_interface (nth, ctx);
- if (udh == 0)
- return ULS_ERROR;
-
- usrp_load_status_t s = usrp_load_firmware (udh, filename, force);
- usrp_close_interface (udh);
-
- switch (s){
-
- case ULS_ALREADY_LOADED: // nothing changed...
- return ULS_ALREADY_LOADED;
- break;
-
- case ULS_OK:
- // we loaded firmware successfully.
-
- // It's highly likely that the board will renumerate (simulate a
- // disconnect/reconnect sequence), invalidating our current
- // handle.
-
- // FIXME. Turn this into a loop that rescans until we refind ourselves
-
- struct timespec t; // delay for 1 second
- t.tv_sec = 2;
- t.tv_nsec = 0;
- our_nanosleep (&t);
-
- return ULS_OK;
-
- default:
- case ULS_ERROR: // some kind of problem
- return ULS_ERROR;
- }
-}
-
-bool
-usrp_load_standard_bits (int nth, bool force,
- const std::string fpga_filename,
- const std::string firmware_filename,
- libusb_context *ctx)
-{
- usrp_load_status_t s;
- const char *filename;
- const char *proto_filename;
- int hw_rev;
-
- assert (ctx != NULL);
-
- // first, figure out what hardware rev we're dealing with
- {
- struct libusb_device *udev = usrp_find_device (nth, false, ctx);
- if (udev == 0){
- fprintf (stderr, "usrp: failed to find usrp[%d]\n", nth);
- return false;
+ if (ret != LIBUSB_ERROR_PIPE) {
+ fprintf (stderr, "usrp: libusb_control_transfer failed: %s\n",
+ _get_usb_error_str(ret));
+ fprintf (stderr, "usrp: write_cmd failed\n");
}
- hw_rev = usrp_hw_rev (udev);
- }
-
- // start by loading the firmware
-
- proto_filename = get_proto_filename(firmware_filename, "USRP_FIRMWARE",
- default_firmware_filename);
- filename = find_file(proto_filename, hw_rev);
- if (filename == 0){
- fprintf (stderr, "Can't find firmware: %s\n", proto_filename);
- return false;
}
- s = usrp_load_firmware_nth (nth, filename, force, ctx);
- load_status_msg (s, "firmware", filename);
-
- if (s == ULS_ERROR)
- return false;
-
- // if we actually loaded firmware, we must reload fpga ...
- if (s == ULS_OK)
- force = true;
- // now move on to the fpga configuration bitstream
-
- proto_filename = get_proto_filename(fpga_filename, "USRP_FPGA",
- default_fpga_filename);
- filename = find_file (proto_filename, hw_rev);
- if (filename == 0){
- fprintf (stderr, "Can't find fpga bitstream: %s\n", proto_filename);
- return false;
- }
- struct libusb_device_handle *udh = open_nth_cmd_interface (nth, ctx);
- if (udh == 0)
- return false;
-
- s = usrp_load_fpga (udh, filename, force);
- usrp_close_interface (udh);
- load_status_msg (s, "fpga bitstream", filename);
-
- if (s == ULS_ERROR)
- return false;
-
- return true;
-}
-
-void
-power_down_9862s (struct libusb_device_handle *udh)
-{
- static const unsigned char regs[] = {
- REG_RX_PWR_DN, 0x01, // everything
- REG_TX_PWR_DN, 0x0f, // pwr dn digital and analog_both
- REG_TX_MODULATOR, 0x00 // coarse & fine modulators disabled
- };
-
- switch (usrp_hw_rev (libusb_get_device (udh))){
- case 0:
- break;
-
- default:
- usrp_9862_write_many_all (udh, regs, sizeof (regs));
- break;
- }
+ return ret;
}
-
-// ----------------------------------------------------------------
-
-std::string
-usrp_serial_number(struct libusb_device_handle *udh)
-{
- struct libusb_device_descriptor desc;
- if (libusb_get_device_descriptor(libusb_get_device(udh), &desc) < 0)
- fprintf (stderr, "usrp: libusb_get_device_descriptor failed\n");
-
- unsigned char iserial = desc.iSerialNumber;
- if (iserial == 0)
- return "";
-
- unsigned char buf[1024];
- if (libusb_get_string_descriptor_ascii(udh, iserial, buf, sizeof(buf)) < 0)
- return "";
-
- return (char*) buf;
-}