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-rw-r--r--host/lib/usrp/usrp_e100/io_impl.cpp23
-rw-r--r--host/lib/usrp/usrp_e100/usrp_e100_iface.cpp6
-rw-r--r--host/lib/usrp/usrp_e100/usrp_e100_impl.hpp2
-rw-r--r--host/lib/usrp/usrp_e100/usrp_e100_regs.hpp12
4 files changed, 33 insertions, 10 deletions
diff --git a/host/lib/usrp/usrp_e100/io_impl.cpp b/host/lib/usrp/usrp_e100/io_impl.cpp
index 2388482c7..58faeafb0 100644
--- a/host/lib/usrp/usrp_e100/io_impl.cpp
+++ b/host/lib/usrp/usrp_e100/io_impl.cpp
@@ -35,7 +35,8 @@ zero_copy_if::sptr usrp_e100_make_mmap_zero_copy(usrp_e100_iface::sptr iface);
/***********************************************************************
* Constants
**********************************************************************/
-static const size_t tx_async_report_sid = 1;
+static const size_t rx_data_inline_sid = 1;
+static const size_t tx_async_report_sid = 2;
static const int underflow_flags = async_metadata_t::EVENT_CODE_UNDERFLOW | async_metadata_t::EVENT_CODE_UNDERFLOW_IN_PACKET;
static const bool recv_debug = false;
@@ -110,8 +111,17 @@ void usrp_e100_impl::io_impl::recv_pirate_loop(usrp_e100_clock_ctrl::sptr clock_
const boost::uint32_t *vrt_hdr = buff->cast<const boost::uint32_t *>();
vrt::if_hdr_unpack_le(vrt_hdr, if_packet_info);
+ //handle an rx data packet or inline message
+ if (if_packet_info.sid == rx_data_inline_sid){
+ if (recv_debug) std::cout << "this is rx_data_inline_sid\n";
+ //same number of frames as the data transport -> always immediate
+ recv_pirate_booty->push_with_wait(buff);
+ continue;
+ }
+
//handle a tx async report message
if (if_packet_info.sid == tx_async_report_sid and if_packet_info.packet_type != vrt::if_packet_info_t::PACKET_TYPE_DATA){
+ if (recv_debug) std::cout << "this is tx_async_report_sid\n";
//fill in the async metadata
async_metadata_t metadata;
@@ -128,8 +138,7 @@ void usrp_e100_impl::io_impl::recv_pirate_loop(usrp_e100_clock_ctrl::sptr clock_
continue;
}
- //same number of frames as the data transport -> always immediate
- recv_pirate_booty->push_with_wait(buff);
+ if (recv_debug) std::cout << "this is unknown packet\n";
}catch(const std::exception &e){
std::cerr << "Error (usrp-e recv pirate loop): " << e.what() << std::endl;
@@ -153,17 +162,20 @@ void usrp_e100_impl::io_init(void){
//setup before the registers (transport called to calculate max spp)
_io_impl = UHD_PIMPL_MAKE(io_impl, (_iface));
+ //clear state machines
+ _iface->poke32(UE_REG_CTRL_RX_CLEAR, 0);
+ _iface->poke32(UE_REG_CTRL_TX_CLEAR, 0);
+
//setup rx data path
_iface->poke32(UE_REG_CTRL_RX_NSAMPS_PER_PKT, get_max_recv_samps_per_packet());
_iface->poke32(UE_REG_CTRL_RX_NCHANNELS, 1);
- _iface->poke32(UE_REG_CTRL_RX_CLEAR_OVERRUN, 1); //reset
_iface->poke32(UE_REG_CTRL_RX_VRT_HEADER, 0
| (0x1 << 28) //if data with stream id
| (0x1 << 26) //has trailer
| (0x3 << 22) //integer time other
| (0x1 << 20) //fractional time sample count
);
- _iface->poke32(UE_REG_CTRL_RX_VRT_STREAM_ID, 0);
+ _iface->poke32(UE_REG_CTRL_RX_VRT_STREAM_ID, rx_data_inline_sid);
_iface->poke32(UE_REG_CTRL_RX_VRT_TRAILER, 0);
//setup the tx policy
@@ -185,7 +197,6 @@ void usrp_e100_impl::issue_stream_cmd(const stream_cmd_t &stream_cmd){
void usrp_e100_impl::handle_overrun(size_t){
std::cerr << "O"; //the famous OOOOOOOOOOO
- _iface->poke32(UE_REG_CTRL_RX_CLEAR_OVERRUN, 0);
if (_io_impl->continuous_streaming){
this->issue_stream_cmd(stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
}
diff --git a/host/lib/usrp/usrp_e100/usrp_e100_iface.cpp b/host/lib/usrp/usrp_e100/usrp_e100_iface.cpp
index 40c7afabb..ad36dd97a 100644
--- a/host/lib/usrp/usrp_e100/usrp_e100_iface.cpp
+++ b/host/lib/usrp/usrp_e100/usrp_e100_iface.cpp
@@ -1,5 +1,5 @@
//
-// Copyright 2010 Ettus Research LLC
+// Copyright 2010-2011 Ettus Research LLC
//
// 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
@@ -16,6 +16,7 @@
//
#include "usrp_e100_iface.hpp"
+#include "usrp_e100_regs.hpp"
#include <uhd/utils/assert.hpp>
#include <sys/ioctl.h> //ioctl
#include <fcntl.h> //open, close
@@ -108,6 +109,9 @@ public:
throw std::runtime_error("Failed to open " + node);
}
+ //very first thing, reset all the wishbone, always do first!
+ this->poke32(UE_REG_CLEAR_GLOBAL, 0);
+
mb_eeprom = mboard_eeprom_t(get_i2c_dev_iface(), mboard_eeprom_t::MAP_E100);
}
diff --git a/host/lib/usrp/usrp_e100/usrp_e100_impl.hpp b/host/lib/usrp/usrp_e100/usrp_e100_impl.hpp
index df8e5dc9f..864e82099 100644
--- a/host/lib/usrp/usrp_e100/usrp_e100_impl.hpp
+++ b/host/lib/usrp/usrp_e100/usrp_e100_impl.hpp
@@ -30,7 +30,7 @@
#ifndef INCLUDED_USRP_E100_IMPL_HPP
#define INCLUDED_USRP_E100_IMPL_HPP
-static const boost::uint16_t USRP_E_COMPAT_NUM = 0x02; //make this 3 then the mainline fpga image gets fixed for embedded
+static const boost::uint16_t USRP_E_COMPAT_NUM = 0x03;
//! load an fpga image from a bin file into the usrp-e fpga
extern void usrp_e100_load_fpga(const std::string &bin_file);
diff --git a/host/lib/usrp/usrp_e100/usrp_e100_regs.hpp b/host/lib/usrp/usrp_e100/usrp_e100_regs.hpp
index 7dc3a4ba8..a030462d0 100644
--- a/host/lib/usrp/usrp_e100/usrp_e100_regs.hpp
+++ b/host/lib/usrp/usrp_e100/usrp_e100_regs.hpp
@@ -126,6 +126,14 @@
#define UE_REG_SR_MISC_TEST32 UE_REG_SETTINGS_BASE_ADDR(52)
/////////////////////////////////////////////////
+// Magic reset regs
+////////////////////////////////////////////////
+#define UE_REG_CLEAR_ADDR(n) (UE_REG_SETTINGS_BASE_ADDR(48) + (4*(n)))
+#define UE_REG_CLEAR_RX UE_REG_CLEAR_ADDR(0)
+#define UE_REG_CLEAR_TX UE_REG_CLEAR_ADDR(1)
+#define UE_REG_CLEAR_GLOBAL UE_REG_CLEAR_ADDR(2)
+
+/////////////////////////////////////////////////
// DSP RX Regs
////////////////////////////////////////////////
#define UE_REG_DSP_RX_ADDR(n) (UE_REG_SETTINGS_BASE_ADDR(16) + (4*(n)))
@@ -145,7 +153,7 @@
#define UE_REG_CTRL_RX_STREAM_CMD UE_REG_CTRL_RX_ADDR(0) // {now, chain, num_samples(30)
#define UE_REG_CTRL_RX_TIME_SECS UE_REG_CTRL_RX_ADDR(1)
#define UE_REG_CTRL_RX_TIME_TICKS UE_REG_CTRL_RX_ADDR(2)
-#define UE_REG_CTRL_RX_CLEAR_OVERRUN UE_REG_CTRL_RX_ADDR(3) // write anything to clear overrun
+#define UE_REG_CTRL_RX_CLEAR UE_REG_CTRL_RX_ADDR(3) // write anything to clear
#define UE_REG_CTRL_RX_VRT_HEADER UE_REG_CTRL_RX_ADDR(4) // word 0 of packet. FPGA fills in packet counter
#define UE_REG_CTRL_RX_VRT_STREAM_ID UE_REG_CTRL_RX_ADDR(5) // word 1 of packet.
#define UE_REG_CTRL_RX_VRT_TRAILER UE_REG_CTRL_RX_ADDR(6)
@@ -167,7 +175,7 @@
////////////////////////////////////////////////
#define UE_REG_CTRL_TX_ADDR(n) (UE_REG_SETTINGS_BASE_ADDR(24) + (4*(n)))
#define UE_REG_CTRL_TX_NCHANNELS UE_REG_CTRL_TX_ADDR(0)
-#define UE_REG_CTRL_TX_CLEAR_UNDERRUN UE_REG_CTRL_TX_ADDR(1)
+#define UE_REG_CTRL_TX_CLEAR UE_REG_CTRL_TX_ADDR(1)
#define UE_REG_CTRL_TX_REPORT_SID UE_REG_CTRL_TX_ADDR(2)
#define UE_REG_CTRL_TX_POLICY UE_REG_CTRL_TX_ADDR(3)
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 21:18:00 +0000