1 files changed, 0 insertions, 261 deletions
diff --git a/usrp2/firmware/apps/rx_only_v2.c b/usrp2/firmware/apps/rx_only_v2.c
deleted file mode 100644
index 303d340e85..0000000000
--- a/usrp2/firmware/apps/rx_only_v2.c
+++ /dev/null
@@ -1,261 +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 "app_common_v2.h"
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include <db.h>
-#include <db_base.h>
-
-
-#define FW_SETS_SEQNO	1	// define to 0 or 1
-
-#if (FW_SETS_SEQNO)
-static int fw_seqno;	// used when f/w is filling in sequence numbers
-#endif
-
-/*
- * This program can respond to queries from the host
- * and stream rx samples.
- *
- * Buffer 0 is used for rcvd frames from ethernet
- * 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
- */
-#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
-
-
-// variables for streaming mode
-
-static bool     streaming_p = false;
-static int      streaming_frame_count = 0;
-#define FRAMES_PER_CMD	1000
-
-
-/*
- * ================================================================
- *      configure DSP RX double buffering state machine
- * ================================================================
- */
-
-// 4 lines of ethernet hdr + 1 line transport hdr + 1 line (word0)
-// DSP Rx writes timestamp followed by nlines_per_frame of samples
-#define DSP_RX_FIRST_LINE ((sizeof(u2_eth_hdr_t) + sizeof(u2_transport_hdr_t))/4 + 1)
-
-// receive from DSP
-buf_cmd_args_t dsp_rx_recv_args = {
-  PORT_DSP,
-  DSP_RX_FIRST_LINE,
-  BP_LAST_LINE
-};
-
-// send to ETH
-buf_cmd_args_t dsp_rx_send_args = {
-  PORT_ETH,
-  0,		// starts with ethernet header in line 0
-  0,		// filled in from list_line register
-};
-
-dbsm_t dsp_rx_sm;	// the state machine
-
-// ----------------------------------------------------------------
-
-
-
-// The mac address of the host we're sending to.
-u2_mac_addr_t host_mac_addr;
-
-
-void link_changed_callback(int speed);
-
-void
-start_rx_streaming_cmd(const u2_mac_addr_t *host, op_start_rx_streaming_t *p)
-{
-  host_mac_addr = *host;	// remember who we're sending to
-
-  /*
-   * 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.ethertype = U2_ETHERTYPE;
-  u2p_set_word0(&pkt.fixed, 0, 0);
-  // DSP RX will fill in timestamp
-
-  memcpy_wa(buffer_ram(DSP_RX_BUF_0), &pkt, sizeof(pkt));
-  memcpy_wa(buffer_ram(DSP_RX_BUF_1), &pkt, sizeof(pkt));
-
-
-  if (FW_SETS_SEQNO)
-    fw_seqno = 0;
-
-  // setup RX DSP regs
-  dsp_rx_regs->clear_state = 1;			// reset
-
-  if (1){			// we're streaming
-    streaming_p = true;
-    streaming_frame_count = FRAMES_PER_CMD;
-    dsp_rx_regs->rx_command =
-      MK_RX_CMD(FRAMES_PER_CMD * p->items_per_frame, p->items_per_frame,
-		1, 1);			// set "chain" bit
-
-    // kick off the state machine
-    dbsm_start(&dsp_rx_sm);
-    dsp_rx_regs->rx_time = 0;		// enqueue first of two commands
-
-    // make sure this one and the rest have the "now" and "chain" bits set.
-    dsp_rx_regs->rx_command =
-      MK_RX_CMD(FRAMES_PER_CMD * p->items_per_frame, p->items_per_frame,
-		1, 1);				
-    dsp_rx_regs->rx_time = 0;			// enqueue second command
-  }
-#if 0
-  else {
-    streaming_p = false;
-    dsp_rx_regs->rx_command =
-      MK_RX_CMD(p->total_samples, p->items_per_frame, p->rx_now, 0);
-
-    // kick off the state machine
-    dbsm_start(&dsp_rx_sm);
-    dsp_rx_regs->rx_time = p->rx_time;
-  }
-#endif
-}
-
-
-void
-stop_rx_cmd(void)
-{
-  streaming_p = false;
-  dsp_rx_regs->clear_state = 1;	// flush cmd queue
-  bp_clear_buf(DSP_RX_BUF_0);
-  bp_clear_buf(DSP_RX_BUF_1);
-}
-
-inline static void
-buffer_irq_handler(unsigned irq)
-{
-  uint32_t  status = buffer_pool_status->status;
-
-  if (status & BPS_DONE(CPU_RX_BUF)){	// we've rcvd a frame from ethernet
-    bp_clear_buf(CPU_RX_BUF);
-    eth_pkt_inspector(0, CPU_RX_BUF);
-    bp_receive_to_buf(CPU_RX_BUF, PORT_ETH, 1, 0, BP_LAST_LINE);
-  }
-  if (status & BPS_ERROR(CPU_RX_BUF)){	// error from ethernet
-    bp_clear_buf(CPU_RX_BUF);
-    bp_receive_to_buf(CPU_RX_BUF, PORT_ETH, 1, 0, BP_LAST_LINE);
-  }
-
-  dbsm_process_status(&dsp_rx_sm, status);
-
-  if (status & BPS_DONE(CPU_TX_BUF)){
-    bp_clear_buf(CPU_TX_BUF);
-  }
-}
-
-#if (FW_SETS_SEQNO)
-/*
- * Debugging ONLY.  This will be handled by the tx_protocol_engine.
- *
- * This is called when the DSP Rx chain has filled in a packet.
- * We set and increment the seqno, then return false, indicating
- * that we didn't handle the packet.  A bit of a kludge
- * but it should work.
- */
-bool 
-fw_sets_seqno_inspector(dbsm_t *sm, int buf_this)	// returns false
-{
-  uint32_t *p = buffer_ram(buf_this);
-  uint32_t seqno = fw_seqno++;
-
-  // KLUDGE all kinds of nasty magic numbers and embedded knowledge
-  uint32_t t = p[4];
-  t = (t & 0xffff00ff) | ((seqno & 0xff) << 8);
-  p[4] = t;
-
-  // queue up another rx command when required
-  if (streaming_p && --streaming_frame_count == 0){
-    streaming_frame_count = FRAMES_PER_CMD;
-    dsp_rx_regs->rx_time = 0;
-  }
-
-  return false;		// we didn't handle the packet
-}
-#endif
-
-
-int
-main(void)
-{
-  u2_init();
-
-  putstr("\nrx_only_v2\n");
-
-  ethernet_register_link_changed_callback(link_changed_callback);
-  ethernet_init();
-
-  // initialize double buffering state machine for DSP RX -> Ethernet
-
-  if (FW_SETS_SEQNO){
-    dbsm_init(&dsp_rx_sm, DSP_RX_BUF_0,
-	      &dsp_rx_recv_args, &dsp_rx_send_args,
-	      fw_sets_seqno_inspector);
-  }
-  else {
-    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);
-
-
-  while(1){
-    buffer_irq_handler(0);
-
-    int pending = pic_regs->pending;		// poll for under or overrun
-
-    if (pending & PIC_OVERRUN_INT){
-      dbsm_handle_rx_overrun(&dsp_rx_sm);
-      pic_regs->pending = PIC_OVERRUN_INT;	// clear pending interrupt
-      putchar('O');
-    }
-  }
-}