diff options
| -rw-r--r-- | firmware/microblaze/apps/txrx.c | 16 | ||||
| -rw-r--r-- | firmware/microblaze/lib/Makefile.am | 2 | ||||
| -rw-r--r-- | firmware/microblaze/lib/db.h | 31 | ||||
| -rw-r--r-- | firmware/microblaze/lib/db_init.c | 77 | ||||
| -rw-r--r-- | firmware/microblaze/lib/u2_init.c | 1 | ||||
| -rw-r--r-- | host/include/uhd/usrp/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | host/include/uhd/usrp/dboard_eeprom.hpp | 55 | ||||
| -rw-r--r-- | host/lib/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | host/lib/usrp/dboard_eeprom.cpp | 78 | ||||
| -rw-r--r-- | host/lib/usrp/usrp2/dboard_iface.cpp | 36 | ||||
| -rw-r--r-- | host/lib/usrp/usrp2/dboard_impl.cpp | 15 | ||||
| -rw-r--r-- | host/lib/usrp/usrp2/fw_common.h | 17 | ||||
| -rw-r--r-- | host/lib/usrp/usrp2/usrp2_iface.cpp | 61 | ||||
| -rw-r--r-- | host/lib/usrp/usrp2/usrp2_iface.hpp | 55 |
14 files changed, 259 insertions, 187 deletions
diff --git a/firmware/microblaze/apps/txrx.c b/firmware/microblaze/apps/txrx.c index 7a6fbd993..8ff3b8c58 100644 --- a/firmware/microblaze/apps/txrx.c +++ b/firmware/microblaze/apps/txrx.c @@ -45,7 +45,6 @@ #include "clocks.h" #include <vrt/bits.h> #include "usrp2/fw_common.h" -#include <db.h> #include <i2c.h> #include <ethertype.h> #include <arp_cache.h> @@ -257,12 +256,6 @@ void handle_udp_ctrl_packet( memcpy(&ctrl_data_out.data.mac_addr, ethernet_mac_addr(), sizeof(eth_mac_addr_t)); break; - case USRP2_CTRL_ID_GIVE_ME_YOUR_DBOARD_IDS_BRO: - ctrl_data_out.id = USRP2_CTRL_ID_THESE_ARE_MY_DBOARD_IDS_DUDE; - ctrl_data_out.data.dboard_ids.tx_id = read_dboard_eeprom(I2C_ADDR_TX_A); - ctrl_data_out.data.dboard_ids.rx_id = read_dboard_eeprom(I2C_ADDR_RX_A); - break; - /******************************************************************* * SPI ******************************************************************/ @@ -418,15 +411,6 @@ void handle_udp_ctrl_packet( ctrl_data_out.id = USRP2_CTRL_ID_WOAH_I_DEFINITELY_PEEKED_IT_DUDE; break; - /******************************************************************* - * Hardware Rev Numbers - ******************************************************************/ - case USRP2_CTRL_ID_WHATS_THE_HARDWARE_REV_NOS_BRO: - ctrl_data_out.data.hw_rev.major = u2_hw_rev_major; - ctrl_data_out.data.hw_rev.minor = u2_hw_rev_minor; - ctrl_data_out.id = USRP2_CTRL_ID_TAKE_THE_HARDWARE_REV_NOS_DUDE; - break; - default: ctrl_data_out.id = USRP2_CTRL_ID_HUH_WHAT; diff --git a/firmware/microblaze/lib/Makefile.am b/firmware/microblaze/lib/Makefile.am index bd8972f5c..783895850 100644 --- a/firmware/microblaze/lib/Makefile.am +++ b/firmware/microblaze/lib/Makefile.am @@ -28,7 +28,6 @@ libu2fw_a_SOURCES = \ bsm12.c \ buffer_pool.c \ clocks.c \ - db_init.c \ dbsm.c \ eeprom.c \ ethernet.c \ @@ -60,7 +59,6 @@ noinst_HEADERS = \ bsm12.h \ buffer_pool.h \ clocks.h \ - db.h \ dbsm.h \ eth_mac.h \ eth_mac_regs.h \ diff --git a/firmware/microblaze/lib/db.h b/firmware/microblaze/lib/db.h deleted file mode 100644 index 358cb222b..000000000 --- a/firmware/microblaze/lib/db.h +++ /dev/null @@ -1,31 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2008,2009 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/>. - */ - -/* - * Interface to daughterboard code - */ - -#ifndef INCLUDED_DB_H -#define INCLUDED_DB_H - -#include <usrp2_types.h> -#include <usrp2_i2c_addr.h> - -int read_dboard_eeprom(int i2c_addr); - -#endif /* INCLUDED_DB_H */ diff --git a/firmware/microblaze/lib/db_init.c b/firmware/microblaze/lib/db_init.c deleted file mode 100644 index 23805d9cd..000000000 --- a/firmware/microblaze/lib/db_init.c +++ /dev/null @@ -1,77 +0,0 @@ -// -// Copyright 2010 Ettus Research LLC -// -/* - * Copyright 2008,2009 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/>. - */ - - -#include <memory_map.h> -#include <i2c.h> -#include <string.h> -#include <stdio.h> -#include <db.h> -#include <hal_io.h> -#include <nonstdio.h> - - -typedef enum { UDBE_OK, UDBE_NO_EEPROM, UDBE_INVALID_EEPROM } usrp_dbeeprom_status_t; - -static usrp_dbeeprom_status_t -read_raw_dboard_eeprom (unsigned char *buf, int i2c_addr) -{ - if (!eeprom_read (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; - unsigned int i; - for (i = 0; i < DB_EEPROM_CLEN; i++) - sum += buf[i]; - - if ((sum & 0xff) != 0) - return UDBE_INVALID_EEPROM; - - return UDBE_OK; -} - - -/* - * Return DBID, -1 <none> or -2 <invalid eeprom contents> - */ -int -read_dboard_eeprom(int i2c_addr) -{ - unsigned char buf[DB_EEPROM_CLEN]; - - usrp_dbeeprom_status_t s = read_raw_dboard_eeprom (buf, i2c_addr); - - //printf("\nread_raw_dboard_eeprom: %d\n", s); - - switch (s){ - case UDBE_OK: - return (buf[DB_EEPROM_ID_MSB] << 8) | buf[DB_EEPROM_ID_LSB]; - - case UDBE_NO_EEPROM: - default: - return -1; - - case UDBE_INVALID_EEPROM: - return -2; - } -} diff --git a/firmware/microblaze/lib/u2_init.c b/firmware/microblaze/lib/u2_init.c index 76e83c660..399d834cb 100644 --- a/firmware/microblaze/lib/u2_init.c +++ b/firmware/microblaze/lib/u2_init.c @@ -25,7 +25,6 @@ #include "i2c.h" #include "mdelay.h" #include "clocks.h" -#include "db.h" #include "usrp2_i2c_addr.h" //#include "nonstdio.h" diff --git a/host/include/uhd/usrp/CMakeLists.txt b/host/include/uhd/usrp/CMakeLists.txt index 23758041c..bbd124ed8 100644 --- a/host/include/uhd/usrp/CMakeLists.txt +++ b/host/include/uhd/usrp/CMakeLists.txt @@ -26,6 +26,7 @@ INSTALL(FILES #### dboard headers ### dboard_base.hpp + dboard_eeprom.hpp dboard_id.hpp dboard_iface.hpp dboard_manager.hpp diff --git a/host/include/uhd/usrp/dboard_eeprom.hpp b/host/include/uhd/usrp/dboard_eeprom.hpp new file mode 100644 index 000000000..6be88c85a --- /dev/null +++ b/host/include/uhd/usrp/dboard_eeprom.hpp @@ -0,0 +1,55 @@ +// +// Copyright 2010 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/>. +// + +#ifndef INCLUDED_UHD_USRP_DBOARD_EEPROM_HPP +#define INCLUDED_UHD_USRP_DBOARD_EEPROM_HPP + +#include <uhd/config.hpp> +#include <uhd/usrp/dboard_id.hpp> +#include <uhd/types/serial.hpp> +#include <string> + +namespace uhd{ namespace usrp{ + +struct UHD_API dboard_eeprom_t{ + /*! + * The dboard id that was read from eeprom or will be set to eeprom. + */ + dboard_id_t id; + + /*! + * Create a dboard eeprom struct from the bytes read out of eeprom + * \param buf the vector of bytes + */ + dboard_eeprom_t(const uhd::byte_vector_t &buf = uhd::byte_vector_t(0)); + + /*! + * Get the bytes that would be written to dboard eeprom + * \return a vector of bytes + */ + uhd::byte_vector_t get_eeprom_bytes(void); + + /*! + * Get the number of bytes to read out of eeprom. + * \return the number of bytes we are interested in + */ + static size_t num_bytes(void); +}; + +}} //namespace + +#endif /* INCLUDED_UHD_USRP_DBOARD_EEPROM_HPP */ diff --git a/host/lib/CMakeLists.txt b/host/lib/CMakeLists.txt index 5495620ec..ffbf15484 100644 --- a/host/lib/CMakeLists.txt +++ b/host/lib/CMakeLists.txt @@ -55,6 +55,7 @@ SET(libuhd_sources transport/if_addrs.cpp transport/udp_simple.cpp usrp/dboard_base.cpp + usrp/dboard_eeprom.cpp usrp/simple_usrp.cpp usrp/dboard_manager.cpp usrp/tune_helper.cpp diff --git a/host/lib/usrp/dboard_eeprom.cpp b/host/lib/usrp/dboard_eeprom.cpp new file mode 100644 index 000000000..a8fac602a --- /dev/null +++ b/host/lib/usrp/dboard_eeprom.cpp @@ -0,0 +1,78 @@ +// +// Copyright 2010 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 <uhd/usrp/dboard_eeprom.hpp> +#include <uhd/utils/assert.hpp> + +using namespace uhd; +using namespace uhd::usrp; + +//////////////////////////////////////////////////////////////////////// +// format of daughterboard EEPROM +// 00: 0xDB code for ``I'm a daughterboard'' +// 01: .. Daughterboard ID (LSB) +// 02: .. Daughterboard ID (MSB) +// 03: .. io bits 7-0 direction (bit set if it's an output from m'board) +// 04: .. io bits 15-8 direction (bit set if it's an output from m'board) +// 05: .. ADC0 DC offset correction (LSB) +// 06: .. ADC0 DC offset correction (MSB) +// 07: .. ADC1 DC offset correction (LSB) +// 08: .. ADC1 DC offset correction (MSB) +// ... +// 1f: .. negative of the sum of bytes [0x00, 0x1e] + +#define DB_EEPROM_MAGIC 0x00 +#define DB_EEPROM_MAGIC_VALUE 0xDB +#define DB_EEPROM_ID_LSB 0x01 +#define DB_EEPROM_ID_MSB 0x02 +#define DB_EEPROM_OE_LSB 0x03 +#define DB_EEPROM_OE_MSB 0x04 +#define DB_EEPROM_OFFSET_0_LSB 0x05 // offset correction for ADC or DAC 0 +#define DB_EEPROM_OFFSET_0_MSB 0x06 +#define DB_EEPROM_OFFSET_1_LSB 0x07 // offset correction for ADC or DAC 1 +#define DB_EEPROM_OFFSET_1_MSB 0x08 +#define DB_EEPROM_CHKSUM 0x1f + +#define DB_EEPROM_CLEN 0x20 // length of common portion of eeprom + +#define DB_EEPROM_CUSTOM_BASE DB_EEPROM_CLEN // first avail offset for + // daughterboard specific use +//////////////////////////////////////////////////////////////////////// + +dboard_eeprom_t::dboard_eeprom_t(const byte_vector_t &buf){ + try{ + ASSERT_THROW(buf.size() >= num_bytes()); + ASSERT_THROW(buf[DB_EEPROM_MAGIC] == DB_EEPROM_MAGIC_VALUE); + id = \ + (boost::uint16_t(buf[DB_EEPROM_ID_LSB]) << 0) | + (boost::uint16_t(buf[DB_EEPROM_ID_MSB]) << 8) ; + }catch(const uhd::assert_error &e){ + id = dboard_id::NONE; + } +} + +byte_vector_t dboard_eeprom_t::get_eeprom_bytes(void){ + byte_vector_t bytes(3); + bytes[DB_EEPROM_MAGIC] = DB_EEPROM_MAGIC_VALUE; + bytes[DB_EEPROM_ID_LSB] = boost::uint8_t(id >> 0); + bytes[DB_EEPROM_ID_MSB] = boost::uint8_t(id >> 8); + return bytes; +} + +size_t dboard_eeprom_t::num_bytes(void){ + return 3; +} diff --git a/host/lib/usrp/usrp2/dboard_iface.cpp b/host/lib/usrp/usrp2/dboard_iface.cpp index e9acddee6..9d9b745ae 100644 --- a/host/lib/usrp/usrp2/dboard_iface.cpp +++ b/host/lib/usrp/usrp2/dboard_iface.cpp @@ -24,7 +24,6 @@ #include <boost/assign/list_of.hpp> #include <boost/asio.hpp> //htonl and ntohl #include <boost/math/special_functions/round.hpp> -#include <algorithm> #include "ad7922_regs.hpp" //aux adc #include "ad5624_regs.hpp" //aux dac @@ -214,42 +213,11 @@ boost::uint32_t usrp2_dboard_iface::read_write_spi( * I2C **********************************************************************/ void usrp2_dboard_iface::write_i2c(int i2c_addr, const byte_vector_t &buf){ - //setup the out data - usrp2_ctrl_data_t out_data; - out_data.id = htonl(USRP2_CTRL_ID_WRITE_THESE_I2C_VALUES_BRO); - out_data.data.i2c_args.addr = i2c_addr; - out_data.data.i2c_args.bytes = buf.size(); - - //limitation of i2c transaction size - ASSERT_THROW(buf.size() <= sizeof(out_data.data.i2c_args.data)); - - //copy in the data - std::copy(buf.begin(), buf.end(), out_data.data.i2c_args.data); - - //send and recv - usrp2_ctrl_data_t in_data = _iface->ctrl_send_and_recv(out_data); - ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_COOL_IM_DONE_I2C_WRITE_DUDE); + return _iface->write_i2c(i2c_addr, buf); } byte_vector_t usrp2_dboard_iface::read_i2c(int i2c_addr, size_t num_bytes){ - //setup the out data - usrp2_ctrl_data_t out_data; - out_data.id = htonl(USRP2_CTRL_ID_DO_AN_I2C_READ_FOR_ME_BRO); - out_data.data.i2c_args.addr = i2c_addr; - out_data.data.i2c_args.bytes = num_bytes; - - //limitation of i2c transaction size - ASSERT_THROW(num_bytes <= sizeof(out_data.data.i2c_args.data)); - - //send and recv - usrp2_ctrl_data_t in_data = _iface->ctrl_send_and_recv(out_data); - ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_HERES_THE_I2C_DATA_DUDE); - ASSERT_THROW(in_data.data.i2c_args.addr = num_bytes); - - //copy out the data - byte_vector_t result(num_bytes); - std::copy(in_data.data.i2c_args.data, in_data.data.i2c_args.data + num_bytes, result.begin()); - return result; + return _iface->read_i2c(i2c_addr, num_bytes); } /*********************************************************************** diff --git a/host/lib/usrp/usrp2/dboard_impl.cpp b/host/lib/usrp/usrp2/dboard_impl.cpp index ee23dc83a..d697f11f0 100644 --- a/host/lib/usrp/usrp2/dboard_impl.cpp +++ b/host/lib/usrp/usrp2/dboard_impl.cpp @@ -18,6 +18,7 @@ #include "usrp2_impl.hpp" #include "usrp2_regs.hpp" +#include <uhd/usrp/dboard_eeprom.hpp> #include <uhd/usrp/subdev_props.hpp> #include <uhd/usrp/dboard_props.hpp> #include <uhd/utils/assert.hpp> @@ -33,22 +34,16 @@ using namespace uhd::usrp; * Helper Methods **********************************************************************/ void usrp2_impl::dboard_init(void){ - //grab the dboard ids over the control line - usrp2_ctrl_data_t out_data; - out_data.id = htonl(USRP2_CTRL_ID_GIVE_ME_YOUR_DBOARD_IDS_BRO); - usrp2_ctrl_data_t in_data = _iface->ctrl_send_and_recv(out_data); - ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_THESE_ARE_MY_DBOARD_IDS_DUDE); - - //extract the dboard ids an convert them - dboard_id_t rx_dboard_id = ntohs(in_data.data.dboard_ids.rx_id); - dboard_id_t tx_dboard_id = ntohs(in_data.data.dboard_ids.tx_id); + //extract the dboard ids + dboard_eeprom_t db_rx_eeprom(_iface->read_eeprom(I2C_ADDR_RX_DB, 0, dboard_eeprom_t::num_bytes())); + dboard_eeprom_t db_tx_eeprom(_iface->read_eeprom(I2C_ADDR_TX_DB, 0, dboard_eeprom_t::num_bytes())); //create a new dboard interface and manager dboard_iface::sptr _dboard_iface( make_usrp2_dboard_iface(_iface, _clk_ctrl) ); _dboard_manager = dboard_manager::make( - rx_dboard_id, tx_dboard_id, _dboard_iface + db_rx_eeprom.id, db_tx_eeprom.id, _dboard_iface ); //load dboards diff --git a/host/lib/usrp/usrp2/fw_common.h b/host/lib/usrp/usrp2/fw_common.h index 640b37ec6..e80001ff2 100644 --- a/host/lib/usrp/usrp2/fw_common.h +++ b/host/lib/usrp/usrp2/fw_common.h @@ -34,7 +34,7 @@ extern "C" { //defines the protocol version in this shared header //increment this value when the protocol is changed -#define USRP2_PROTO_VERSION 1 +#define USRP2_PROTO_VERSION 2 //used to differentiate control packets over data port #define USRP2_INVALID_VRT_HEADER 0 @@ -61,9 +61,6 @@ typedef enum{ USRP2_CTRL_ID_THIS_IS_MY_MAC_ADDR_DUDE = 'M', USRP2_CTRL_ID_HERE_IS_A_NEW_MAC_ADDR_BRO = 'n', - USRP2_CTRL_ID_GIVE_ME_YOUR_DBOARD_IDS_BRO = 'd', - USRP2_CTRL_ID_THESE_ARE_MY_DBOARD_IDS_DUDE = 'D', - USRP2_CTRL_ID_TRANSACT_ME_SOME_SPI_BRO = 's', USRP2_CTRL_ID_OMG_TRANSACTED_SPI_DUDE = 'S', @@ -82,9 +79,6 @@ typedef enum{ USRP2_CTRL_ID_PEEK_AT_THIS_REGISTER_FOR_ME_BRO = 'r', USRP2_CTRL_ID_WOAH_I_DEFINITELY_PEEKED_IT_DUDE = 'R', - USRP2_CTRL_ID_WHATS_THE_HARDWARE_REV_NOS_BRO = 'y', - USRP2_CTRL_ID_TAKE_THE_HARDWARE_REV_NOS_DUDE = 'Y', - USRP2_CTRL_ID_PEACE_OUT = '~' } usrp2_ctrl_id_t; @@ -107,10 +101,6 @@ typedef struct{ _SINS_ uint32_t ip_addr; _SINS_ uint8_t mac_addr[6]; struct { - _SINS_ uint16_t rx_id; - _SINS_ uint16_t tx_id; - } dboard_ids; - struct { _SINS_ uint8_t dev; _SINS_ uint8_t miso_edge; _SINS_ uint8_t mosi_edge; @@ -137,11 +127,6 @@ typedef struct{ _SINS_ uint32_t data; _SINS_ uint8_t num_bytes; //1, 2, 4 } poke_args; - struct { - _SINS_ uint8_t major; - _SINS_ uint8_t minor; - _SINS_ uint8_t _pad[2]; - } hw_rev; } data; } usrp2_ctrl_data_t; diff --git a/host/lib/usrp/usrp2/usrp2_iface.cpp b/host/lib/usrp/usrp2/usrp2_iface.cpp index 1b0dde1b4..c639c0dfe 100644 --- a/host/lib/usrp/usrp2/usrp2_iface.cpp +++ b/host/lib/usrp/usrp2/usrp2_iface.cpp @@ -19,9 +19,11 @@ #include <uhd/utils/assert.hpp> #include <uhd/types/dict.hpp> #include <boost/thread.hpp> +#include <boost/foreach.hpp> #include <boost/asio.hpp> //used for htonl and ntohl #include <boost/assign/list_of.hpp> #include <stdexcept> +#include <algorithm> using namespace uhd; @@ -90,6 +92,65 @@ public: } /*********************************************************************** + * I2C + **********************************************************************/ + void write_i2c(boost::uint8_t addr, const byte_vector_t &buf){ + //setup the out data + usrp2_ctrl_data_t out_data; + out_data.id = htonl(USRP2_CTRL_ID_WRITE_THESE_I2C_VALUES_BRO); + out_data.data.i2c_args.addr = addr; + out_data.data.i2c_args.bytes = buf.size(); + + //limitation of i2c transaction size + ASSERT_THROW(buf.size() <= sizeof(out_data.data.i2c_args.data)); + + //copy in the data + std::copy(buf.begin(), buf.end(), out_data.data.i2c_args.data); + + //send and recv + usrp2_ctrl_data_t in_data = this->ctrl_send_and_recv(out_data); + ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_COOL_IM_DONE_I2C_WRITE_DUDE); + } + + byte_vector_t read_i2c(boost::uint8_t addr, size_t num_bytes){ + //setup the out data + usrp2_ctrl_data_t out_data; + out_data.id = htonl(USRP2_CTRL_ID_DO_AN_I2C_READ_FOR_ME_BRO); + out_data.data.i2c_args.addr = addr; + out_data.data.i2c_args.bytes = num_bytes; + + //limitation of i2c transaction size + ASSERT_THROW(num_bytes <= sizeof(out_data.data.i2c_args.data)); + + //send and recv + usrp2_ctrl_data_t in_data = this->ctrl_send_and_recv(out_data); + ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_HERES_THE_I2C_DATA_DUDE); + ASSERT_THROW(in_data.data.i2c_args.addr = num_bytes); + + //copy out the data + byte_vector_t result(num_bytes); + std::copy(in_data.data.i2c_args.data, in_data.data.i2c_args.data + num_bytes, result.begin()); + return result; + } + +/*********************************************************************** + * EEPROM + **********************************************************************/ + void write_eeprom(boost::uint8_t addr, boost::uint8_t offset, const byte_vector_t &buf){ + BOOST_FOREACH(boost::uint8_t byte, buf){ + //write a byte at a time, its easy that way + byte_vector_t cmd = boost::assign::list_of(offset)(byte); + this->write_i2c(addr, cmd); + } + } + + byte_vector_t read_eeprom(boost::uint8_t addr, boost::uint8_t offset, size_t num_bytes){ + //do a zero byte write to start read cycle + write_i2c(addr, byte_vector_t(1, offset)); + return read_i2c(addr, num_bytes); + } + +/*********************************************************************** * Send/Recv over control **********************************************************************/ usrp2_ctrl_data_t ctrl_send_and_recv(const usrp2_ctrl_data_t &out_data){ diff --git a/host/lib/usrp/usrp2/usrp2_iface.hpp b/host/lib/usrp/usrp2/usrp2_iface.hpp index 6667c8998..938359677 100644 --- a/host/lib/usrp/usrp2/usrp2_iface.hpp +++ b/host/lib/usrp/usrp2/usrp2_iface.hpp @@ -25,6 +25,15 @@ #include <boost/cstdint.hpp> #include "fw_common.h" +//////////////////////////////////////////////////////////////////////// +// I2C addresses +//////////////////////////////////////////////////////////////////////// +#define I2C_DEV_EEPROM 0x50 // 24LC02[45]: 7-bits 1010xxx +#define I2C_ADDR_MBOARD (I2C_DEV_EEPROM | 0x0) +#define I2C_ADDR_TX_DB (I2C_DEV_EEPROM | 0x4) +#define I2C_ADDR_RX_DB (I2C_DEV_EEPROM | 0x5) +//////////////////////////////////////////////////////////////////////// + /*! * The usrp2 interface class: * Provides a set of functions to implementation layer. @@ -94,6 +103,52 @@ public: ) = 0; /*! + * Write bytes over the i2c. + * \param addr the address + * \param buf the vector of bytes + */ + virtual void write_i2c( + boost::uint8_t addr, + const uhd::byte_vector_t &buf + ) = 0; + + /*! + * Read bytes over the i2c. + * \param addr the address + * \param num_bytes number of bytes to read + * \return a vector of bytes + */ + virtual uhd::byte_vector_t read_i2c( + boost::uint8_t addr, + size_t num_bytes + ) = 0; + + /*! + * Write bytes to an eeprom. + * \param addr the address + * \param offset byte offset + * \param buf the vector of bytes + */ + virtual void write_eeprom( + boost::uint8_t addr, + boost::uint8_t offset, + const uhd::byte_vector_t &buf + ) = 0; + + /*! + * Read bytes from an eeprom. + * \param addr the address + * \param offset byte offset + * \param num_bytes number of bytes to read + * \return a vector of bytes + */ + virtual uhd::byte_vector_t read_eeprom( + boost::uint8_t addr, + boost::uint8_t offset, + size_t num_bytes + ) = 0; + + /*! * Get the master clock frequency. * \return the frequency in Hz */ |