1 files changed, 0 insertions, 1241 deletions
diff --git a/usrp/host/lib/usrp_prims_common.cc b/usrp/host/lib/usrp_prims_common.cc
deleted file mode 100644
index 20a55653cf..0000000000
--- a/usrp/host/lib/usrp_prims_common.cc
+++ /dev/null
@@ -1,1241 +0,0 @@
-/* -*- 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,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#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 <errno.h>
-#include <stdio.h>
-#include <unistd.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 "std_paths.h"
-
-extern "C" {
-#include "md5.h"
-};
-
-#define VERBOSE 0
-
-using namespace ad9862;
-
-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 char *default_firmware_filename = "std.ihx";
-static const char *default_fpga_filename     = "std_2rxhb_2tx.rbf";
-
-static char *
-find_file (const char *filename, int hw_rev)
-{
-  const char **sp = std_paths;
-  static char path[1000];
-  char *s;
-
-  s = getenv("USRP_PATH");
-  if (s) {
-    snprintf (path, sizeof (path), "%s/rev%d/%s", s, hw_rev, filename);
-    if (access (path, R_OK) == 0)
-      return path;
-  }
-
-  while (*sp){
-    snprintf (path, sizeof (path), "%s/rev%d/%s", *sp, hw_rev, filename);
-    if (access (path, R_OK) == 0)
-      return path;
-    sp++;
-  }
-  return 0;
-}
-
-static const char *
-get_proto_filename(const std::string user_filename, const char *env_var, const char *def)
-{
-  if (user_filename.length() != 0)
-    return user_filename.c_str();
-
-  char *s = getenv(env_var);
-  if (s && *s)
-    return s;
-
-  return def;
-}
-
-
-static void power_down_9862s (libusb_device_handle *udh);
-
-
-// ----------------------------------------------------------------
-
-/*
- * q must be a real USRP, not an FX2.  Return its hardware rev number.
- */
-
-int
-usrp_hw_rev (libusb_device *q)
-{
-  libusb_device_descriptor desc = _get_usb_device_descriptor(q);
-  return desc.bcdDevice & 0x00FF;
-}
-
-/*
- * q must be a real USRP, not an FX2.  Return true if it's configured.
- */
-static bool
-_usrp_configured_p (libusb_device *q)
-{
-  libusb_device_descriptor desc = _get_usb_device_descriptor(q);
-  return (desc.bcdDevice & 0xFF00) != 0;
-}
-
-bool
-usrp_usrp_p (libusb_device *q)
-{
-  libusb_device_descriptor desc = _get_usb_device_descriptor(q);
-  return (desc.idVendor == USB_VID_FSF
-          && desc.idProduct == USB_PID_FSF_USRP);
-}
-
-bool
-usrp_fx2_p (libusb_device *q)
-{
-  libusb_device_descriptor desc = _get_usb_device_descriptor(q);
-  return (desc.idVendor == USB_VID_CYPRESS
-          && desc.idProduct == USB_PID_CYPRESS_FX2);
-}
-
-bool
-usrp_usrp0_p (libusb_device *q)
-{
-  return usrp_usrp_p (q) && usrp_hw_rev (q) == 0;
-}
-
-bool
-usrp_usrp1_p (libusb_device *q)
-{
-  return usrp_usrp_p (q) && usrp_hw_rev (q) == 1;
-}
-
-bool
-usrp_usrp2_p (libusb_device *q)
-{
-  return usrp_usrp_p (q) && usrp_hw_rev (q) == 2;
-}
-
-
-bool
-usrp_unconfigured_usrp_p (libusb_device *q)
-{
-  return usrp_usrp_p (q) && !_usrp_configured_p (q);
-}
-
-bool
-usrp_configured_usrp_p (libusb_device *q)
-{
-  return usrp_usrp_p (q) && _usrp_configured_p (q);
-}
-
-
-// ----------------------------------------------------------------
-
-
-libusb_device_handle *
-usrp_open_cmd_interface (libusb_device *dev)
-{
-  return usrp_open_interface (dev, USRP_CMD_INTERFACE, USRP_CMD_ALTINTERFACE);
-}
-
-libusb_device_handle *
-usrp_open_rx_interface (libusb_device *dev)
-{
-  return usrp_open_interface (dev, USRP_RX_INTERFACE, USRP_RX_ALTINTERFACE);
-}
-
-libusb_device_handle *
-usrp_open_tx_interface (libusb_device *dev)
-{
-  return usrp_open_interface (dev, USRP_TX_INTERFACE, USRP_TX_ALTINTERFACE);
-}
-
-
-// ----------------------------------------------------------------
-// write internal ram using Cypress vendor extension
-
-static bool
-write_internal_ram (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 = _usb_control_transfer (udh, 0x40, 0xA0, addr, 0,
-                       (unsigned char*)(buf + (addr - start_addr)), n, 1000);
-
-    if (a < 0){
-      fprintf(stderr,"write_internal_ram failed\n");
-      return false;
-    }
-  }
-  return true;
-}
-
-
-// ----------------------------------------------------------------
-// whack the CPUCS register using the upload RAM vendor extension
-
-static bool
-reset_cpu (libusb_device_handle *udh, bool reset_p)
-{
-  unsigned char v;
-
-  if (reset_p)
-    v = 1;		// hold processor in reset
-  else
-    v = 0;	        // release reset
-
-  return write_internal_ram (udh, &v, 0xE600, 1);
-}
-
-// ----------------------------------------------------------------
-// Load intel format file into cypress FX2 (8051)
-
-static bool
-_usrp_load_firmware (libusb_device_handle *udh, const char *filename,
-		     unsigned char hash[USRP_HASH_SIZE])
-{
-  FILE	*f = fopen (filename, "ra");
-  if (f == 0){
-    perror (filename);
-    return false;
-  }
-
-  if (!reset_cpu (udh, true))	// hold CPU in reset while loading firmware
-    goto fail;
-
-
-  char s[1024];
-  int length;
-  int addr;
-  int type;
-  unsigned char data[256];
-  unsigned char checksum, a;
-  unsigned int b;
-  int i;
-
-  while (!feof(f)){
-    fgets(s, sizeof (s), f); /* we should not use more than 263 bytes normally */
-    if(s[0]!=':'){
-      fprintf(stderr,"%s: invalid line: \"%s\"\n", filename, s);
-      goto fail;
-    }
-    sscanf(s+1, "%02x", &length);
-    sscanf(s+3, "%04x", &addr);
-    sscanf(s+7, "%02x", &type);
-
-    if(type==0){
-
-      a=length+(addr &0xff)+(addr>>8)+type;
-      for(i=0;i<length;i++){
-	sscanf (s+9+i*2,"%02x", &b);
-	data[i]=b;
-	a=a+data[i];
-      }
-
-      sscanf (s+9+length*2,"%02x", &b);
-      checksum=b;
-      if (((a+checksum)&0xff)!=0x00){
-	fprintf (stderr, "  ** Checksum failed: got 0x%02x versus 0x%02x\n", (-a)&0xff, checksum);
-	goto fail;
-      }
-      if (!write_internal_ram (udh, data, addr, length))
-	goto fail;
-    }
-    else if (type == 0x01){      // EOF
-      break;
-    }
-    else if (type == 0x02){
-      fprintf (stderr, "Extended address: whatever I do with it?\n");
-      fprintf (stderr, "%s: invalid line: \"%s\"\n", filename, s);
-      goto fail;
-    }
-  }
-
-  // we jam the hash value into the FX2 memory before letting
-  // the cpu out of reset.  When it comes out of reset it
-  // may renumerate which will invalidate udh.
-
-  if (!usrp_set_hash (udh, FIRMWARE_HASH_SLOT, hash))
-    fprintf (stderr, "usrp: failed to write firmware hash slot\n");
-
-  if (!reset_cpu (udh, false))		// take CPU out of reset
-    goto fail;
-
-  fclose (f);
-  return true;
-
- fail:
-  fclose (f);
-  return false;
-}
-
-// ----------------------------------------------------------------
-// load fpga
-
-static bool
-_usrp_load_fpga (libusb_device_handle *udh, const char *filename,
-		 unsigned char hash[USRP_HASH_SIZE])
-{
-  bool ok = true;
-
-  FILE	*fp = fopen (filename, "rb");
-  if (fp == 0){
-    perror (filename);
-    return false;
-  }
-
-  unsigned char buf[MAX_EP0_PKTSIZE];	// 64 is max size of EP0 packet on FX2
-  int n;
-
-  usrp_set_led (udh, 1, 1);		// led 1 on
-
-
-  // reset FPGA (and on rev1 both AD9862's, thus killing clock)
-  usrp_set_fpga_reset (udh, 1);		// hold fpga in reset
-
-  if (write_cmd (udh, VRQ_FPGA_LOAD, 0, FL_BEGIN, 0, 0) != 0)
-    goto fail;
-
-  while ((n = fread (buf, 1, sizeof (buf), fp)) > 0){
-    if (write_cmd (udh, VRQ_FPGA_LOAD, 0, FL_XFER, buf, n) != n)
-      goto fail;
-  }
-
-  if (write_cmd (udh, VRQ_FPGA_LOAD, 0, FL_END, 0, 0) != 0)
-    goto fail;
-
-  fclose (fp);
-
-  if (!usrp_set_hash (udh, FPGA_HASH_SLOT, hash))
-    fprintf (stderr, "usrp: failed to write fpga hash slot\n");
-
-  // On the rev1 USRP, the {tx,rx}_{enable,reset} bits are
-  // controlled over the serial bus, and hence aren't observed until
-  // we've got a good fpga bitstream loaded.
-
-  usrp_set_fpga_reset (udh, 0);		// fpga out of master reset
-
-  // now these commands will work
-
-  ok &= usrp_set_fpga_tx_enable (udh, 0);
-  ok &= usrp_set_fpga_rx_enable (udh, 0);
-
-  ok &= usrp_set_fpga_tx_reset (udh, 1);	// reset tx and rx paths
-  ok &= usrp_set_fpga_rx_reset (udh, 1);
-  ok &= usrp_set_fpga_tx_reset (udh, 0);	// reset tx and rx paths
-  ok &= usrp_set_fpga_rx_reset (udh, 0);
-
-  if (!ok)
-    fprintf (stderr, "usrp: failed to reset tx and/or rx path\n");
-
-  // Manually reset all regs except master control to zero.
-  // FIXME may want to remove this when we rework FPGA reset strategy.
-  // In the mean while, this gets us reproducible behavior.
-  for (int i = 0; i < FR_USER_0; i++){
-    if (i == FR_MASTER_CTRL)
-      continue;
-    usrp_write_fpga_reg(udh, i, 0);
-  }
-
-  power_down_9862s (udh);		// on the rev1, power these down!
-  usrp_set_led (udh, 1, 0);		// led 1 off
-
-  return true;
-
- fail:
-  power_down_9862s (udh);		// on the rev1, power these down!
-  fclose (fp);
-  return false;
-}
-
-// ----------------------------------------------------------------
-
-bool
-usrp_set_led (libusb_device_handle *udh, int which, bool on)
-{
-  int r = write_cmd (udh, VRQ_SET_LED, on, which, 0, 0);
-
-  return r == 0;
-}
-
-bool
-usrp_set_hash (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 = _usb_control_transfer (udh, 0x40, 0xa0, hash_slot_addr[which], 0,
-                                (unsigned char *) hash, USRP_HASH_SIZE, 1000);
-
-  if (r < 0)
-     fprintf (stderr, "usrp: failed to set hash\n");
-
-  return r == USRP_HASH_SIZE;
-}
-
-bool
-usrp_get_hash (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 = _usb_control_transfer (udh, 0xc0, 0xa0, hash_slot_addr[which], 0,
-                                (unsigned char *) hash, USRP_HASH_SIZE, 1000);
-
-  if (r < 0)
-     fprintf (stderr, "usrp: failed to get hash\n");
-
-  return r == USRP_HASH_SIZE;
-}
-
-
-
-static bool
-usrp_set_switch (libusb_device_handle *udh, int cmd_byte, bool on)
-{
-  return write_cmd (udh, cmd_byte, on, 0, 0, 0) == 0;
-}
-
-static bool
-usrp1_fpga_write (libusb_device_handle *udh,
-		  int regno, int value)
-{
-  // on the rev1 usrp, we use the generic spi_write interface
-
-  unsigned char buf[4];
-
-  buf[0] = (value >> 24) & 0xff;	// MSB first
-  buf[1] = (value >> 16) & 0xff;
-  buf[2] = (value >>  8) & 0xff;
-  buf[3] = (value >>  0) & 0xff;
-
-  return usrp_spi_write (udh, 0x00 | (regno & 0x7f),
-			 SPI_ENABLE_FPGA,
-			 SPI_FMT_MSB | SPI_FMT_HDR_1,
-			 buf, sizeof (buf));
-}
-
-static bool
-usrp1_fpga_read (libusb_device_handle *udh,
-		 int regno, int *value)
-{
-  *value = 0;
-  unsigned char buf[4];
-
-  bool ok = usrp_spi_read (udh, 0x80 | (regno & 0x7f),
-			   SPI_ENABLE_FPGA,
-			   SPI_FMT_MSB | SPI_FMT_HDR_1,
-			   buf, sizeof (buf));
-
-  if (ok)
-    *value = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
-
-  return ok;
-}
-
-bool
-usrp_write_fpga_reg (libusb_device_handle *udh, int reg, int value)
-{
-  switch (usrp_hw_rev (_get_usb_device (udh))){
-  case 0:                       // not supported ;)
-    abort();
-
-  default:
-    return usrp1_fpga_write (udh, reg, value);
-  }
-}
-
-bool
-usrp_read_fpga_reg (libusb_device_handle *udh, int reg, int *value)
-{
-  switch (usrp_hw_rev (_get_usb_device (udh))){
-  case 0:               // not supported ;)
-    abort();
-
-  default:
-    return usrp1_fpga_read (udh, reg, value);
-  }
-}
-
-bool
-usrp_set_fpga_reset (libusb_device_handle *udh, bool on)
-{
-  return usrp_set_switch (udh, VRQ_FPGA_SET_RESET, on);
-}
-
-bool
-usrp_set_fpga_tx_enable (libusb_device_handle *udh, bool on)
-{
-  return usrp_set_switch (udh, VRQ_FPGA_SET_TX_ENABLE, on);
-}
-
-bool
-usrp_set_fpga_rx_enable (libusb_device_handle *udh, bool on)
-{
-  return usrp_set_switch (udh, VRQ_FPGA_SET_RX_ENABLE, on);
-}
-
-bool
-usrp_set_fpga_tx_reset (libusb_device_handle *udh, bool on)
-{
-  return usrp_set_switch (udh, VRQ_FPGA_SET_TX_RESET, on);
-}
-
-bool
-usrp_set_fpga_rx_reset (libusb_device_handle *udh, bool on)
-{
-  return usrp_set_switch (udh, VRQ_FPGA_SET_RX_RESET, on);
-}
-
-
-// ----------------------------------------------------------------
-// conditional load stuff
-
-static bool
-compute_hash (const char *filename, unsigned char hash[USRP_HASH_SIZE])
-{
-  assert (USRP_HASH_SIZE == 16);
-  memset (hash, 0, USRP_HASH_SIZE);
-
-  FILE *fp = fopen (filename, "rb");
-  if (fp == 0){
-    perror (filename);
-    return false;
-  }
-  int r = md5_stream (fp, hash);
-  fclose (fp);
-
-  return r == 0;
-}
-
-static usrp_load_status_t
-usrp_conditionally_load_something (libusb_device_handle *udh,
-				   const char *filename,
-				   bool force,
-				   int slot,
-				   bool loader (libusb_device_handle *,
-						const char *,
-						unsigned char [USRP_HASH_SIZE]))
-{
-  unsigned char file_hash[USRP_HASH_SIZE];
-  unsigned char usrp_hash[USRP_HASH_SIZE];
-
-  if (access (filename, R_OK) != 0){
-    perror (filename);
-    return ULS_ERROR;
-  }
-
-  if (!compute_hash (filename, file_hash))
-    return ULS_ERROR;
-
-  if (!force
-      && usrp_get_hash (udh, slot, usrp_hash)
-      && memcmp (file_hash, usrp_hash, USRP_HASH_SIZE) == 0)
-    return ULS_ALREADY_LOADED;
-
-  bool r = loader (udh, filename, file_hash);
-
-  if (!r)
-    return ULS_ERROR;
-
-  return ULS_OK;
-}
-
-usrp_load_status_t
-usrp_load_firmware (libusb_device_handle *udh,
-		    const char *filename,
-		    bool force)
-{
-  return usrp_conditionally_load_something (udh, filename, force,
-					    FIRMWARE_HASH_SLOT,
-					    _usrp_load_firmware);
-}
-
-usrp_load_status_t
-usrp_load_fpga (libusb_device_handle *udh,
-		const char *filename,
-		bool force)
-{
-  return usrp_conditionally_load_something (udh, filename, force,
-					    FPGA_HASH_SLOT,
-					    _usrp_load_fpga);
-}
-
-static libusb_device_handle *
-open_nth_cmd_interface (int nth, libusb_context *ctx)
-{
-
-  libusb_device *udev = usrp_find_device (nth, false, ctx);
-  if (udev == 0){
-    fprintf (stderr, "usrp: failed to find usrp[%d]\n", nth);
-    return 0;
-  }
-
-  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;
-}
-
-static bool
-our_nanosleep (const struct timespec *delay)
-{
-  struct timespec	new_delay = *delay;
-  struct timespec	remainder;
-
-  while (1){
-    int r = nanosleep (&new_delay, &remainder);
-    if (r == 0)
-      return true;
-    if (errno == EINTR)
-      new_delay = remainder;
-    else {
-      perror ("nanosleep");
-      return false;
-    }
-  }
-}
-
-static bool
-mdelay (int millisecs)
-{
-  struct timespec	ts;
-  ts.tv_sec = millisecs / 1000;
-  ts.tv_nsec = (millisecs - (1000 * ts.tv_sec)) * 1000000;
-  return our_nanosleep (&ts);
-}
-
-
-usrp_load_status_t
-usrp_load_firmware_nth (int nth, const char *filename, bool force, libusb_context *ctx)
-{
-  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 2 second
-    t.tv_sec = 2;
-    t.tv_nsec = 0;
-    our_nanosleep (&t);
-
-    usrp_rescan ();
-
-    return ULS_OK;
-
-  default:
-  case ULS_ERROR:               // some kind of problem
-    return ULS_ERROR;
-  }
-}
-
-static void
-load_status_msg (usrp_load_status_t s, const char *type, const char *filename)
-{
-  char *e = getenv("USRP_VERBOSE");
-  bool verbose = e != 0;
-
-  switch (s){
-  case ULS_ERROR:
-    fprintf (stderr, "usrp: failed to load %s %s.\n", type, filename);
-    break;
-
-  case ULS_ALREADY_LOADED:
-    if (verbose)
-      fprintf (stderr, "usrp: %s %s already loaded.\n", type, filename);
-    break;
-
-  case ULS_OK:
-    if (verbose)
-      fprintf (stderr, "usrp: %s %s loaded successfully.\n", type, filename);
-    break;
-  }
-}
-
-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;
-
-  // first, figure out what hardware rev we're dealing with
-  {
-    libusb_device *udev = usrp_find_device (nth, false, ctx);
-    if (udev == 0){
-      fprintf (stderr, "usrp: failed to find usrp[%d]\n", nth);
-      return false;
-    }
-    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;
-  }
-  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;
-}
-
-
-bool
-_usrp_get_status (libusb_device_handle *udh, int which, bool *trouble)
-{
-  unsigned char	status;
-  *trouble = true;
-
-  if (write_cmd (udh, VRQ_GET_STATUS, 0, which,
-		 &status, sizeof (status)) != sizeof (status))
-    return false;
-
-  *trouble = status;
-  return true;
-}
-
-bool
-usrp_check_rx_overrun (libusb_device_handle *udh, bool *overrun_p)
-{
-  return _usrp_get_status (udh, GS_RX_OVERRUN, overrun_p);
-}
-
-bool
-usrp_check_tx_underrun (libusb_device_handle *udh, bool *underrun_p)
-{
-  return _usrp_get_status (udh, GS_TX_UNDERRUN, underrun_p);
-}
-
-
-bool
-usrp_i2c_write (libusb_device_handle *udh, int i2c_addr,
-		const void *buf, int len)
-{
-  if (len < 1 || len > MAX_EP0_PKTSIZE)
-    return false;
-
-  return write_cmd (udh, VRQ_I2C_WRITE, i2c_addr, 0,
-		    (unsigned char *) buf, len) == len;
-}
-
-
-bool
-usrp_i2c_read (libusb_device_handle *udh, int i2c_addr,
-	       void *buf, int len)
-{
-  if (len < 1 || len > MAX_EP0_PKTSIZE)
-    return false;
-
-  return write_cmd (udh, VRQ_I2C_READ, i2c_addr, 0,
-		    (unsigned char *) buf, len) == len;
-}
-
-bool
-usrp_spi_write (libusb_device_handle *udh,
-		int optional_header, int enables, int format,
-		const void *buf, int len)
-{
-  if (len < 0 || len > MAX_EP0_PKTSIZE)
-    return false;
-
-  return write_cmd (udh, VRQ_SPI_WRITE,
-		    optional_header,
-		    ((enables & 0xff) << 8) | (format & 0xff),
-		    (unsigned char *) buf, len) == len;
-}
-
-
-bool
-usrp_spi_read (libusb_device_handle *udh,
-	       int optional_header, int enables, int format,
-	       void *buf, int len)
-{
-  if (len < 0 || len > MAX_EP0_PKTSIZE)
-    return false;
-
-  return write_cmd (udh, VRQ_SPI_READ,
-		    optional_header,
-		    ((enables & 0xff) << 8) | (format & 0xff),
-		    (unsigned char *) buf, len) == len;
-}
-
-bool
-usrp_9862_write (libusb_device_handle *udh, int which_codec,
-		 int regno, int value)
-{
-  if (0)
-    fprintf (stderr, "usrp_9862_write which = %d, reg = %2d, val = %3d (0x%02x)\n",
-	     which_codec, regno, value, value);
-
-  unsigned char buf[1];
-
-  buf[0] = value;
-
-  return usrp_spi_write (udh, 0x00 | (regno & 0x3f),
-			 which_codec == 0 ? SPI_ENABLE_CODEC_A : SPI_ENABLE_CODEC_B,
-			 SPI_FMT_MSB | SPI_FMT_HDR_1,
-			 buf, 1);
-}
-
-bool
-usrp_9862_read (libusb_device_handle *udh, int which_codec,
-		int regno, unsigned char *value)
-{
-  return usrp_spi_read (udh, 0x80 | (regno & 0x3f),
-			which_codec == 0 ? SPI_ENABLE_CODEC_A : SPI_ENABLE_CODEC_B,
-			SPI_FMT_MSB | SPI_FMT_HDR_1,
-			value, 1);
-}
-
-bool
-usrp_9862_write_many (libusb_device_handle *udh,
-		      int which_codec,
-		      const unsigned char *buf,
-		      int len)
-{
-  if (len & 0x1)
-    return false;		// must be even
-
-  bool result = true;
-
-  while (len > 0){
-    result &= usrp_9862_write (udh, which_codec, buf[0], buf[1]);
-    len -= 2;
-    buf += 2;
-  }
-
-  return result;
-}
-
-
-bool
-usrp_9862_write_many_all (libusb_device_handle *udh,
-			   const unsigned char *buf, int len)
-{
-  // FIXME handle 2/2 and 4/4 versions
-
-  bool result;
-  result  = usrp_9862_write_many (udh, 0, buf, len);
-  result &= usrp_9862_write_many (udh, 1, buf, len);
-  return result;
-}
-
-static void
-power_down_9862s (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 (_get_usb_device (udh))){
-  case 0:
-    break;
-
-  default:
-    usrp_9862_write_many_all (udh, regs, sizeof (regs));
-    break;
-  }
-}
-
-
-static const int EEPROM_PAGESIZE = 16;
-
-bool
-usrp_eeprom_write (libusb_device_handle *udh, int i2c_addr,
-		   int eeprom_offset, const void *buf, int len)
-{
-  unsigned char cmd[2];
-  const unsigned char *p = (unsigned char *) buf;
-
-  // The simplest thing that could possibly work:
-  //   all writes are single byte writes.
-  //
-  // We could speed this up using the page write feature,
-  // but we write so infrequently, why bother...
-
-  while (len-- > 0){
-    cmd[0] = eeprom_offset++;
-    cmd[1] = *p++;
-    bool r = usrp_i2c_write (udh, i2c_addr, cmd, sizeof (cmd));
-    mdelay (10);		// delay 10ms worst case write time
-    if (!r)
-      return false;
-  }
-
-  return true;
-}
-
-bool
-usrp_eeprom_read (libusb_device_handle *udh, int i2c_addr,
-		  int eeprom_offset, void *buf, int len)
-{
-  unsigned char *p = (unsigned char *) buf;
-
-  // We setup a random read by first doing a "zero byte write".
-  // Writes carry an address.  Reads use an implicit address.
-
-  unsigned char cmd[1];
-  cmd[0] = eeprom_offset;
-  if (!usrp_i2c_write (udh, i2c_addr, cmd, sizeof (cmd)))
-    return false;
-
-  while (len > 0){
-    int n = std::min (len, MAX_EP0_PKTSIZE);
-    if (!usrp_i2c_read (udh, i2c_addr, p, n))
-      return false;
-    len -= n;
-    p += n;
-  }
-  return true;
-}
-
-// ----------------------------------------------------------------
-
-static bool
-slot_to_codec (int slot, int *which_codec)
-{
-  *which_codec = 0;
-
-  switch (slot){
-  case SLOT_TX_A:
-  case SLOT_RX_A:
-    *which_codec = 0;
-    break;
-
-  case SLOT_TX_B:
-  case SLOT_RX_B:
-    *which_codec = 1;
-    break;
-
-  default:
-    fprintf (stderr, "usrp_prims:slot_to_codec: invalid slot = %d\n", slot);
-    return false;
-  }
-  return true;
-}
-
-static bool
-tx_slot_p (int slot)
-{
-  switch (slot){
-  case SLOT_TX_A:
-  case SLOT_TX_B:
-    return true;
-
-  default:
-    return false;
-  }
-}
-
-bool
-usrp_write_aux_dac (libusb_device_handle *udh, int slot,
-		    int which_dac, int value)
-{
-  int which_codec;
-
-  if (!slot_to_codec (slot, &which_codec))
-    return false;
-
-  if (!(0 <= which_dac && which_dac < 4)){
-    fprintf (stderr, "usrp_write_aux_dac: invalid dac = %d\n", which_dac);
-    return false;
-  }
-
-  value &= 0x0fff;	// mask to 12-bits
-
-  if (which_dac == 3){
-    // dac 3 is really 12-bits.  Use value as is.
-    bool r = true;
-    r &= usrp_9862_write (udh, which_codec, 43, (value >> 4));       // most sig
-    r &= usrp_9862_write (udh, which_codec, 42, (value & 0xf) << 4); // least sig
-    return r;
-  }
-  else {
-    // dac 0, 1, and 2 are really 8 bits.
-    value = value >> 4;		// shift value appropriately
-    return usrp_9862_write (udh, which_codec, 36 + which_dac, value);
-  }
-}
-
-
-bool
-usrp_read_aux_adc (libusb_device_handle *udh, int slot,
-		   int which_adc, int *value)
-{
-  *value = 0;
-  int	which_codec;
-
-  if (!slot_to_codec (slot, &which_codec))
-    return false;
-
-  if (!(0 <= which_codec && which_codec < 2)){
-    fprintf (stderr, "usrp_read_aux_adc: invalid adc = %d\n", which_adc);
-    return false;
-  }
-
-  unsigned char aux_adc_control =
-    AUX_ADC_CTRL_REFSEL_A		// on chip reference
-    | AUX_ADC_CTRL_REFSEL_B;		// on chip reference
-
-  int	rd_reg = 26;	// base address of two regs to read for result
-
-  // program the ADC mux bits
-  if (tx_slot_p (slot))
-    aux_adc_control |= AUX_ADC_CTRL_SELECT_A2 | AUX_ADC_CTRL_SELECT_B2;
-  else {
-    rd_reg += 2;
-    aux_adc_control |= AUX_ADC_CTRL_SELECT_A1 | AUX_ADC_CTRL_SELECT_B1;
-  }
-
-  // I'm not sure if we can set the mux and issue a start conversion
-  // in the same cycle, so let's do them one at a time.
-
-  usrp_9862_write (udh, which_codec, 34, aux_adc_control);
-
-  if (which_adc == 0)
-    aux_adc_control |= AUX_ADC_CTRL_START_A;
-  else {
-    rd_reg += 4;
-    aux_adc_control |= AUX_ADC_CTRL_START_B;
-  }
-
-  // start the conversion
-  usrp_9862_write (udh, which_codec, 34, aux_adc_control);
-
-  // read the 10-bit result back
-  unsigned char v_lo = 0;
-  unsigned char v_hi = 0;
-  bool r = usrp_9862_read (udh, which_codec, rd_reg, &v_lo);
-  r &= usrp_9862_read (udh, which_codec, rd_reg + 1, &v_hi);
-
-  if (r)
-    *value = ((v_hi << 2) | ((v_lo >> 6) & 0x3)) << 2;	// format as 12-bit
-
-  return r;
-}
-
-// ----------------------------------------------------------------
-
-static int slot_to_i2c_addr (int slot)
-{
-  switch (slot){
-  case SLOT_TX_A:	return I2C_ADDR_TX_A;
-  case SLOT_RX_A:	return I2C_ADDR_RX_A;
-  case SLOT_TX_B:	return I2C_ADDR_TX_B;
-  case SLOT_RX_B:	return I2C_ADDR_RX_B;
-  default:		return -1;
-  }
-}
-
-static void
-set_chksum (unsigned char *buf)
-{
-  int sum = 0;
-  unsigned int i;
-  for (i = 0; i < DB_EEPROM_CLEN - 1; i++)
-    sum += buf[i];
-  buf[i] = -sum;
-}
-
-static usrp_dbeeprom_status_t
-read_dboard_eeprom (libusb_device_handle *udh,
-		    int slot_id, unsigned char *buf)
-{
-  int i2c_addr = slot_to_i2c_addr (slot_id);
-  if (i2c_addr == -1)
-    return UDBE_BAD_SLOT;
-
-  if (!usrp_eeprom_read (udh, i2c_addr, 0, buf, DB_EEPROM_CLEN))
-    return UDBE_NO_EEPROM;
-
-  if (buf[DB_EEPROM_MAGIC] != DB_EEPROM_MAGIC_VALUE)
-    return UDBE_INVALID_EEPROM;
-
-  int sum = 0;
-  for (unsigned int i = 0; i < DB_EEPROM_CLEN; i++)
-    sum += buf[i];
-
-  if ((sum & 0xff) != 0)
-    return UDBE_INVALID_EEPROM;
-
-  return UDBE_OK;
-}
-
-usrp_dbeeprom_status_t
-usrp_read_dboard_eeprom (libusb_device_handle *udh,
-			 int slot_id, usrp_dboard_eeprom *eeprom)
-{
-  unsigned char buf[DB_EEPROM_CLEN];
-
-  memset (eeprom, 0, sizeof (*eeprom));
-
-  usrp_dbeeprom_status_t s = read_dboard_eeprom (udh, slot_id, buf);
-  if (s != UDBE_OK)
-    return s;
-
-  eeprom->id = (buf[DB_EEPROM_ID_MSB] << 8) | buf[DB_EEPROM_ID_LSB];
-  eeprom->oe = (buf[DB_EEPROM_OE_MSB] << 8) | buf[DB_EEPROM_OE_LSB];
-  eeprom->offset[0] = (buf[DB_EEPROM_OFFSET_0_MSB] << 8) | buf[DB_EEPROM_OFFSET_0_LSB];
-  eeprom->offset[1] = (buf[DB_EEPROM_OFFSET_1_MSB] << 8) | buf[DB_EEPROM_OFFSET_1_LSB];
-
-  return UDBE_OK;
-}
-
-bool
-usrp_write_dboard_offsets (libusb_device_handle *udh, int slot_id,
-			   short offset0, short offset1)
-{
-  unsigned char buf[DB_EEPROM_CLEN];
-
-  usrp_dbeeprom_status_t s = read_dboard_eeprom (udh, slot_id, buf);
-  if (s != UDBE_OK)
-    return false;
-
-  buf[DB_EEPROM_OFFSET_0_LSB] = (offset0 >> 0) & 0xff;
-  buf[DB_EEPROM_OFFSET_0_MSB] = (offset0 >> 8) & 0xff;
-  buf[DB_EEPROM_OFFSET_1_LSB] = (offset1 >> 0) & 0xff;
-  buf[DB_EEPROM_OFFSET_1_MSB] = (offset1 >> 8) & 0xff;
-  set_chksum (buf);
-
-  return usrp_eeprom_write (udh, slot_to_i2c_addr (slot_id),
-			    0, buf, sizeof (buf));
-}
-
-// ----------------------------------------------------------------
-
-std::string
-usrp_serial_number(libusb_device_handle *udh)
-{
-  libusb_device_descriptor desc =
-    _get_usb_device_descriptor (_get_usb_device (udh));
-
-  unsigned char iserial = desc.iSerialNumber;
-  if (iserial == 0)
-    return "";
-
-  unsigned char buf[1024];
-  if (_get_usb_string_descriptor (udh, iserial, buf, sizeof(buf)) < 0)
-    return "";
-
-  return (char*) buf;
-}
-
-
-
-