Removed usrp(2) directories.

1 files changed, 0 insertions, 339 deletions

diff --git a/usrp2/firmware/apps/tx_standalone.c b/usrp2/firmware/apps/tx_standalone.c
deleted file mode 100644
index 6350a6956..000000000
--- a/usrp2/firmware/apps/tx_standalone.c
+++ /dev/null
@@ -1,339 +0,0 @@
-/*
- * Copyright 2007 Free Software Foundation, Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "u2_init.h"
-#include "memory_map.h"
-#include "spi.h"
-#include "hal_io.h"
-#include "buffer_pool.h"
-#include "pic.h"
-#include "bool.h"
-#include "ethernet.h"
-#include "nonstdio.h"
-#include "usrp2_eth_packet.h"
-#include "memcpy_wa.h"
-#include "dbsm.h"
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define	_AL4 __attribute__((aligned (4)))
-
-#define USE_BUFFER_INTERRUPT	0	// 0 or 1
-
-
-static int timer_delta = MASTER_CLK_RATE/1000;	// tick at 1kHz
-
-/*
- * This program can respond to queries from the host
- * and stream rx samples.
- *
- * Buffer 1 is used by the cpu to send frames to the host.
- * Buffers 2 and 3 are used to double-buffer the DSP Rx to eth flow
- * Buffers 4 and 5 are used to double-buffer the eth to DSP Tx  eth flow
- */
-//#define CPU_RX_BUF	0	// eth -> cpu
-#define CPU_TX_BUF 	1	// cpu -> eth
-
-#define	DSP_RX_BUF_0	2	// dsp rx -> eth (double buffer)
-#define	DSP_RX_BUF_1	3	// dsp rx -> eth
-#define	DSP_TX_BUF_0	4	// eth -> dsp tx (double buffer)
-#define	DSP_TX_BUF_1	5	// eth -> dsp tx
-
-
-/*
- * ================================================================
- *      configure DSP RX double buffering state machine
- * ================================================================
- */
-
-
-// 4 lines of ethernet hdr + 1 line (word0)
-// DSP Rx writes timestamp followed by nlines_per_frame of samples
-#define DSP_RX_FIRST_LINE		  5
-#define DSP_RX_SAMPLES_PER_FRAME	128
-#define	DSP_RX_EXTRA_LINES		  1	// writes timestamp
-
-// Receive from DSP Rx
-buf_cmd_args_t dsp_rx_recv_args = {
-  PORT_DSP,
-  DSP_RX_FIRST_LINE,
-  BP_LAST_LINE
-};
-
-// send to ethernet
-buf_cmd_args_t dsp_rx_send_args = {
-  PORT_ETH,
-  0,		// starts with ethernet header in line 0
-  0,		// filled in from last_line register
-};
-
-dbsm_t dsp_rx_sm;	// the state machine
-
-/*
- * ================================================================
- *      configure DSP TX double buffering state machine
- * ================================================================
- */
-
-// 4 lines of ethernet hdr + 2 lines (word0 + timestamp)
-// DSP Tx reads word0 (flags) + timestamp followed by samples
-
-#define DSP_TX_FIRST_LINE		  4
-#define DSP_TX_SAMPLES_PER_FRAME	250	// not used except w/ debugging
-#define	DSP_TX_EXTRA_LINES		  2	// reads word0 + timestamp
-
-// Receive from ethernet
-buf_cmd_args_t dsp_tx_recv_args = {
-  PORT_ETH,
-  0,
-  BP_LAST_LINE
-};
-
-// send to DSP Tx
-buf_cmd_args_t dsp_tx_send_args = {
-  PORT_DSP,
-  DSP_TX_FIRST_LINE,	// starts just past ethernet header
-  0			// filled in from last_line register
-};
-
-dbsm_t dsp_tx_sm;	// the state machine
-
-/*
- * send constant buffer to DSP TX
- */
-static inline void 
-SEND_CONST_TO_DSP_TX(void)
-{
-  bp_send_from_buf(DSP_TX_BUF_0, PORT_DSP, 1,
-		   DSP_TX_FIRST_LINE,
-		   DSP_TX_FIRST_LINE + DSP_TX_EXTRA_LINES + DSP_TX_SAMPLES_PER_FRAME - 1);
-}
-
-// ----------------------------------------------------------------
-
-
-
-// The mac address of the host we're sending to.
-u2_mac_addr_t host_mac_addr;
-
-
-void link_changed_callback(int speed);
-static volatile bool link_is_up = false;	// eth handler sets this
-
-
-void
-timer_irq_handler(unsigned irq)
-{
-  hal_set_timeout(timer_delta);	// schedule next timeout
-}
-
-// Tx DSP underrun
-void
-underrun_irq_handler(unsigned irq)
-{
-  dsp_tx_regs->clear_state = 1;
-  bp_clear_buf(DSP_TX_BUF_0);
-  bp_clear_buf(DSP_TX_BUF_1);
-  dbsm_stop(&dsp_tx_sm);
-
-  // FIXME anything else?
-
-  putstr("\nirq: underrun\n");
-}
-
-// Rx DSP overrun
-void
-overrun_irq_handler(unsigned irq)
-{
-  dsp_rx_regs->clear_state = 1;
-  bp_clear_buf(DSP_RX_BUF_0);
-  bp_clear_buf(DSP_RX_BUF_1);
-  dbsm_stop(&dsp_rx_sm);
-
-  // FIXME anything else?
-
-  putstr("\nirq: overrun\n");
-}
-
-static void
-start_tx_transfers(void)
-{
-  bp_clear_buf(DSP_TX_BUF_0);	// FIXME, really goes in state machine
-  bp_clear_buf(DSP_TX_BUF_1);
-
-  // fill everything with a constant 32k + 0j
-
-  uint32_t const_sample = (32000 << 16) | 0;
-  int i;
-  for (i = 0; i < BP_NLINES; i++){
-    buffer_ram(DSP_TX_BUF_0)[i] = const_sample;
-    buffer_ram(DSP_TX_BUF_1)[i] = const_sample;
-  }
-
-  /*
-   * Construct  ethernet header and word0 and preload into two buffers
-   */
-  u2_eth_packet_t	pkt;
-  memset(&pkt, 0, sizeof(pkt));
-  //pkt.ehdr.dst = *host;
-  pkt.ehdr.src = *ethernet_mac_addr();
-  pkt.ehdr.ethertype = U2_ETHERTYPE;
-  u2p_set_word0(&pkt.fixed,
-		U2P_TX_IMMEDIATE | U2P_TX_START_OF_BURST, 0);
-  u2p_set_timestamp(&pkt.fixed, T_NOW);
-
-  memcpy_wa(buffer_ram(DSP_TX_BUF_0), &pkt, sizeof(pkt));
-  memcpy_wa(buffer_ram(DSP_TX_BUF_1), &pkt, sizeof(pkt));
-
-
-  int tx_scale = 256;
-
-  // setup Tx DSP regs
-  dsp_tx_regs->clear_state = 1;			// reset
-  dsp_tx_regs->freq = 408021893;		// 9.5 MHz [2**32 * fc/fsample]
-  dsp_tx_regs->scale_iq = (tx_scale << 16) | tx_scale;
-  dsp_tx_regs->interp_rate = 32;
-
-  // kick off the state machine
-  // dbsm_start(&dsp_rx_sm);
-
-  SEND_CONST_TO_DSP_TX();	// send constant buffer to DSP TX
-}
-
-
-void
-buffer_irq_handler(unsigned irq)
-{
-  uint32_t  status = buffer_pool_status->status;
-
-  if (0){
-    putstr("irq: ");
-    puthex32(status);
-    putchar('\n');
-  }
-
-  if (status & BPS_ERROR_ALL){
-    // FIXME rare path, handle error conditions
-  }
-
-  if (status & BPS_DONE(DSP_TX_BUF_0)){
-    bp_clear_buf(DSP_TX_BUF_0);
-    SEND_CONST_TO_DSP_TX();
-    hal_toggle_leds(0x1);
-  }
-
-}
-
-int
-main(void)
-{
-  u2_init();
-
-  // setup tx gpio bits for GPIOM_FPGA_1 -- fpga debug output
-  //hal_gpio_set_sels(GPIO_TX_BANK, "1111111111111111");
-  //hal_gpio_set_sels(GPIO_RX_BANK, "1111111111111111");
-
-  putstr("\ntx_only\n");
-  
-  // Control LEDs
-  hal_set_leds(0x0, 0x3);
-
-  if (USE_BUFFER_INTERRUPT)
-    pic_register_handler(IRQ_BUFFER,   buffer_irq_handler);
-
-  pic_register_handler(IRQ_OVERRUN,  overrun_irq_handler);
-  pic_register_handler(IRQ_UNDERRUN, underrun_irq_handler);
-
-  //pic_register_handler(IRQ_TIMER, timer_irq_handler);
-  //hal_set_timeout(timer_delta);
-
-  ethernet_register_link_changed_callback(link_changed_callback);
-
-  ethernet_init();
-
-  // initialize double buffering state machine for DSP RX -> Ethernet
-  dbsm_init(&dsp_rx_sm, DSP_RX_BUF_0,
-	    &dsp_rx_recv_args, &dsp_rx_send_args,
-	    dbsm_nop_inspector);
-
-  // setup receive from ETH
-  // bp_receive_to_buf(CPU_RX_BUF, PORT_ETH, 1, 0, BP_LAST_LINE);
-
-#if 0
-  if (hwconfig_simulation_p()){
-    // If we're simulating, pretend that we got a start command from the host
-    u2_mac_addr_t host = {{ 0x00, 0x0A, 0xE4, 0x3E, 0xD2, 0xD5 }};
-    start_rx_cmd(&host);
-  }
-#endif
-
-  start_tx_transfers();		// send constant buffers to DSP TX
-
-  while(1){
-    if (!USE_BUFFER_INTERRUPT)
-      buffer_irq_handler(0);
-  }
-}
-
-// ----------------------------------------------------------------
-
-// debugging output on tx pins
-#define LS_MASK  0xE0000
-#define LS_1000  0x80000
-#define LS_100   0x40000
-#define LS_10    0x20000
-
-/*
- * Called when eth phy state changes (w/ interrupts disabled)
- */
-void
-link_changed_callback(int speed)
-{
-  int v = 0;
-  switch(speed){
-  case 10:
-    v = LS_10;
-    link_is_up = true;
-    break;
-    
-  case 100:
-    v = LS_100;
-    link_is_up = true;
-    break;
-    
-  case 1000:
-    v = LS_100;
-    link_is_up = true;
-    break;
-
-  default:
-    v = 0;
-    link_is_up = false;
-    break;
-  }
-
-  //hal_gpio_set_tx(v, LS_MASK);	/* set debug bits on d'board */
-
-  // hal_set_leds(link_is_up ? 0x2 : 0x0, 0x2);
-
-  printf("\neth link changed: speed = %d\n", speed);
-}