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Diffstat (limited to 'host/lib/usrp/usrp1/usrp1_impl.cpp')
| -rw-r--r-- | host/lib/usrp/usrp1/usrp1_impl.cpp | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/host/lib/usrp/usrp1/usrp1_impl.cpp b/host/lib/usrp/usrp1/usrp1_impl.cpp new file mode 100644 index 000000000..7005c59f2 --- /dev/null +++ b/host/lib/usrp/usrp1/usrp1_impl.cpp @@ -0,0 +1,253 @@ +// +// 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 +// 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/>. +// + +#include "usrp1_impl.hpp" +#include "usrp1_ctrl.hpp" +#include "fpga_regs_standard.h" +#include "usrp_spi_defs.h" +#include <uhd/utils/safe_call.hpp> +#include <uhd/transport/usb_control.hpp> +#include <uhd/usrp/device_props.hpp> +#include <uhd/usrp/mboard_props.hpp> +#include <uhd/utils/warning.hpp> +#include <uhd/exception.hpp> +#include <uhd/utils/static.hpp> +#include <uhd/utils/images.hpp> +#include <boost/format.hpp> +#include <boost/assign/list_of.hpp> +#include <boost/filesystem.hpp> +#include <boost/thread/thread.hpp> +#include <boost/lexical_cast.hpp> +#include <iostream> + +using namespace uhd; +using namespace uhd::usrp; +using namespace uhd::transport; + +const boost::uint16_t USRP1_VENDOR_ID = 0xfffe; +const boost::uint16_t USRP1_PRODUCT_ID = 0x0002; +const boost::uint16_t FX2_VENDOR_ID = 0x04b4; +const boost::uint16_t FX2_PRODUCT_ID = 0x8613; + +const std::vector<usrp1_impl::dboard_slot_t> usrp1_impl::_dboard_slots = boost::assign::list_of + (usrp1_impl::DBOARD_SLOT_A)(usrp1_impl::DBOARD_SLOT_B) +; + +/*********************************************************************** + * Discovery + **********************************************************************/ +static device_addrs_t usrp1_find(const device_addr_t &hint) +{ + device_addrs_t usrp1_addrs; + + //return an empty list of addresses when type is set to non-usrp1 + if (hint.has_key("type") and hint["type"] != "usrp1") return usrp1_addrs; + + //Return an empty list of addresses when an address is specified, + //since an address is intended for a different, non-USB, device. + if (hint.has_key("addr")) return usrp1_addrs; + + boost::uint16_t vid = hint.has_key("uninit") ? FX2_VENDOR_ID : USRP1_VENDOR_ID; + boost::uint16_t pid = hint.has_key("uninit") ? FX2_PRODUCT_ID : USRP1_PRODUCT_ID; + + // Important note: + // The get device list calls are nested inside the for loop. + // This allows the usb guts to decontruct when not in use, + // so that re-enumeration after fw load can occur successfully. + // This requirement is a courtesy of libusb1.0 on windows. + + //find the usrps and load firmware + BOOST_FOREACH(usb_device_handle::sptr handle, usb_device_handle::get_device_list(vid, pid)) { + //extract the firmware path for the USRP1 + std::string usrp1_fw_image; + try{ + usrp1_fw_image = find_image_path(hint.get("fw", "usrp1_fw.ihx")); + } + catch(...){ + uhd::warning::post( + "Could not locate USRP1 firmware.\n" + "Please install the images package.\n" + ); + return usrp1_addrs; + } + //std::cout << "USRP1 firmware image: " << usrp1_fw_image << std::endl; + + usrp_ctrl::make(usb_control::make(handle))->usrp_load_firmware(usrp1_fw_image); + } + + //get descriptors again with serial number, but using the initialized VID/PID now since we have firmware + vid = USRP1_VENDOR_ID; + pid = USRP1_PRODUCT_ID; + + BOOST_FOREACH(usb_device_handle::sptr handle, usb_device_handle::get_device_list(vid, pid)) { + usrp1_iface::sptr iface = usrp1_iface::make(usrp_ctrl::make(usb_control::make(handle))); + device_addr_t new_addr; + new_addr["type"] = "usrp1"; + new_addr["name"] = iface->mb_eeprom["name"]; + new_addr["serial"] = handle->get_serial(); + //this is a found usrp1 when the hint serial and name match or blank + if ( + (not hint.has_key("name") or hint["name"] == new_addr["name"]) and + (not hint.has_key("serial") or hint["serial"] == new_addr["serial"]) + ){ + usrp1_addrs.push_back(new_addr); + } + } + + return usrp1_addrs; +} + +/*********************************************************************** + * Make + **********************************************************************/ +static device::sptr usrp1_make(const device_addr_t &device_addr){ + + //extract the FPGA path for the USRP1 + std::string usrp1_fpga_image = find_image_path( + device_addr.get("fpga", "usrp1_fpga.rbf") + ); + //std::cout << "USRP1 FPGA image: " << usrp1_fpga_image << std::endl; + + //try to match the given device address with something on the USB bus + std::vector<usb_device_handle::sptr> device_list = + usb_device_handle::get_device_list(USRP1_VENDOR_ID, USRP1_PRODUCT_ID); + + //locate the matching handle in the device list + usb_device_handle::sptr handle; + BOOST_FOREACH(usb_device_handle::sptr dev_handle, device_list) { + if (dev_handle->get_serial() == device_addr["serial"]){ + handle = dev_handle; + break; + } + } + UHD_ASSERT_THROW(handle.get() != NULL); //better be found + + //create control objects and a data transport + usb_control::sptr ctrl_transport = usb_control::make(handle); + usrp_ctrl::sptr usrp_ctrl = usrp_ctrl::make(ctrl_transport); + usrp_ctrl->usrp_load_fpga(usrp1_fpga_image); + usrp_ctrl->usrp_init(); + usb_zero_copy::sptr data_transport = usb_zero_copy::make( + handle, // identifier + 6, // IN endpoint + 2, // OUT endpoint + device_addr // param hints + ); + + //create the usrp1 implementation guts + return device::sptr(new usrp1_impl(data_transport, usrp_ctrl)); +} + +UHD_STATIC_BLOCK(register_usrp1_device){ + device::register_device(&usrp1_find, &usrp1_make); +} + +/*********************************************************************** + * Structors + **********************************************************************/ +usrp1_impl::usrp1_impl(uhd::transport::usb_zero_copy::sptr data_transport, + usrp_ctrl::sptr ctrl_transport) + : _data_transport(data_transport), _ctrl_transport(ctrl_transport) +{ + _iface = usrp1_iface::make(ctrl_transport); + + //create clock interface + _clock_ctrl = usrp1_clock_ctrl::make(_iface); + + //create codec interface + _codec_ctrls[DBOARD_SLOT_A] = usrp1_codec_ctrl::make( + _iface, _clock_ctrl, SPI_ENABLE_CODEC_A + ); + _codec_ctrls[DBOARD_SLOT_B] = usrp1_codec_ctrl::make( + _iface, _clock_ctrl, SPI_ENABLE_CODEC_B + ); + + //initialize the codecs + codec_init(); + + //initialize the mboard + mboard_init(); + + //initialize the dboards + dboard_init(); + + //initialize the dsps + rx_dsp_init(); + + //initialize the dsps + tx_dsp_init(); + + //initialize the send/recv + io_init(); + + //init the subdev specs + this->mboard_set(MBOARD_PROP_RX_SUBDEV_SPEC, subdev_spec_t()); + this->mboard_set(MBOARD_PROP_TX_SUBDEV_SPEC, subdev_spec_t()); +} + +usrp1_impl::~usrp1_impl(void){ + //Safely destruct all RAII objects in a device. + //This prevents the mboard deconstructor from throwing, + //which allows the device to be safely deconstructed. + BOOST_FOREACH(dboard_slot_t slot, _dboard_slots){ + UHD_SAFE_CALL(_dboard_managers[slot].reset();) + UHD_SAFE_CALL(_dboard_ifaces[slot].reset();) + UHD_SAFE_CALL(_codec_ctrls[slot].reset();) + } + UHD_SAFE_CALL(_clock_ctrl.reset();) + UHD_SAFE_CALL(_io_impl.reset();) +} + +bool usrp1_impl::recv_async_msg(uhd::async_metadata_t &, double timeout){ + //dummy fill-in for the recv_async_msg + boost::this_thread::sleep(boost::posix_time::microseconds(long(timeout*1e6))); + return false; +} + +/*********************************************************************** + * Device Get + **********************************************************************/ +void usrp1_impl::get(const wax::obj &key_, wax::obj &val) +{ + named_prop_t key = named_prop_t::extract(key_); + + //handle the get request conditioned on the key + switch(key.as<device_prop_t>()){ + case DEVICE_PROP_NAME: + val = std::string("usrp1 device"); + return; + + case DEVICE_PROP_MBOARD: + UHD_ASSERT_THROW(key.name == ""); + val = _mboard_proxy->get_link(); + return; + + case DEVICE_PROP_MBOARD_NAMES: + val = prop_names_t(1, ""); //vector of size 1 with empty string + return; + + default: UHD_THROW_PROP_GET_ERROR(); + } +} + +/*********************************************************************** + * Device Set + **********************************************************************/ +void usrp1_impl::set(const wax::obj &, const wax::obj &) +{ + UHD_THROW_PROP_SET_ERROR(); +} |