From 841400bb4e72375b439f04f0bd855e64b9f83f00 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Tue, 13 Apr 2010 16:08:14 -0700 Subject: Moved ad9777 control 100% on to the host --- firmware/microblaze/lib/Makefile.am | 3 -- firmware/microblaze/lib/ad9777.c | 47 ---------------------- firmware/microblaze/lib/ad9777.h | 31 -------------- firmware/microblaze/lib/ad9777_regs.h | 71 --------------------------------- firmware/microblaze/lib/u2_init.c | 16 -------- host/lib/ic_reg_maps/gen_ad9777_regs.py | 8 ++-- host/lib/usrp/usrp2/mboard_impl.cpp | 25 ++++++++++++ 7 files changed, 29 insertions(+), 172 deletions(-) delete mode 100644 firmware/microblaze/lib/ad9777.c delete mode 100644 firmware/microblaze/lib/ad9777.h delete mode 100644 firmware/microblaze/lib/ad9777_regs.h diff --git a/firmware/microblaze/lib/Makefile.am b/firmware/microblaze/lib/Makefile.am index 4ca05739c..3d02cfe8b 100644 --- a/firmware/microblaze/lib/Makefile.am +++ b/firmware/microblaze/lib/Makefile.am @@ -25,7 +25,6 @@ noinst_LIBRARIES = \ libu2fw_a_SOURCES = \ abort.c \ ad9510.c \ - ad9777.c \ bsm12.c \ buffer_pool.c \ clocks.c \ @@ -60,8 +59,6 @@ libu2fw_a_SOURCES = \ noinst_HEADERS = \ ad9510.h \ - ad9777.h \ - ad9777_regs.h \ bsm12.h \ buffer_pool.h \ clocks.h \ diff --git a/firmware/microblaze/lib/ad9777.c b/firmware/microblaze/lib/ad9777.c deleted file mode 100644 index 734ccd7e5..000000000 --- a/firmware/microblaze/lib/ad9777.c +++ /dev/null @@ -1,47 +0,0 @@ -/* -*- c++ -*- */ -/* - * 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 . - */ - -#include "ad9777.h" -#include "memory_map.h" -#include "spi.h" - -#define IB_RD 0x80 -#define IB_WR 0x00 -#define IB_XFER_1 0x00 -#define IB_XFER_2 0x20 -#define IB_XFER_3 0x40 -#define IB_XFER_4 0x60 -#define IB_ADDR_MASK 0x1f - -void -ad9777_write_reg(int regno, uint8_t value) -{ - uint8_t instr = IB_WR | IB_XFER_1 | (regno & IB_ADDR_MASK); - spi_transact(SPI_TXONLY, SPI_SS_AD9777, - (instr << 8) | (value & 0xff), 16, SPIF_PUSH_FALL); -} - -int -ad9777_read_reg(int regno) -{ - uint8_t instr = IB_RD | IB_XFER_1 | (regno & IB_ADDR_MASK); - uint32_t r = spi_transact(SPI_TXRX, SPI_SS_AD9777, - (instr << 8) | 0, 16, - SPIF_PUSH_FALL | SPIF_LATCH_RISE); - return r & 0xff; -} diff --git a/firmware/microblaze/lib/ad9777.h b/firmware/microblaze/lib/ad9777.h deleted file mode 100644 index d4d104910..000000000 --- a/firmware/microblaze/lib/ad9777.h +++ /dev/null @@ -1,31 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2007,2008 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 . - */ -#ifndef INCLUDED_AD9777_H -#define INCLUDED_AD9777_H - -#include -#include "ad9777_regs.h" - -/* - * Analog Devices AD9777 16-bit, 160 MS/s, Dual Interpolating TxDAC - */ - -void ad9777_write_reg(int regno, uint8_t value); -int ad9777_read_reg(int regno); - -#endif /* INCLUDED_AD9777_H */ diff --git a/firmware/microblaze/lib/ad9777_regs.h b/firmware/microblaze/lib/ad9777_regs.h deleted file mode 100644 index de2936c15..000000000 --- a/firmware/microblaze/lib/ad9777_regs.h +++ /dev/null @@ -1,71 +0,0 @@ -/* -*- c++ -*- */ -/* - * 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 . - */ -#ifndef INCLUDED_AD9777_REGS_H -#define INCLUDED_AD9777_REGS_H - -#define R0_SW_RESET (1 << 5) -#define R0_SLEEP (1 << 4) -#define R0_POWER_DN (1 << 3) -#define R0_1R (1 << 2) -#define R0_2R (0 << 2) -#define R0_PLL_LOCKED (1 << 1) - -#define R1_INTERP_1X 0x00 -#define R1_INTERP_2X 0x40 -#define R1_INTERP_4X 0x80 -#define R1_INTERP_8X 0xC0 -#define R1_MOD_NONE 0x00 -#define R1_MOD_FS_2 0x10 // Fs/2 -#define R1_MOD_FS_4 0x20 // Fs/4 -#define R1_MOD_FS_8 0x30 // Fs/8 -#define R1_ZERO_STUFF (1 << 3) // N.B., doubles output rate -#define R1_REAL_MIX (1 << 2) -#define R1_CMPLX_MIX (0 << 2) -#define R1_POS_EXP (1 << 1) // exp(+jwt) -#define R1_NEG_EXP (0 << 1) // exp(-jwt) -#define R1_DATACLK_OUT (1 << 0) - -#define R2_2S_COMP (0 << 7) -#define R2_2PORT_MODE (0 << 6) -#define R2_1PORT_MODE (1 << 6) - -#define R3_PLL_DIV_1 0x00 -#define R3_PLL_DIV_2 0x01 -#define R3_PLL_DIV_4 0x02 -#define R3_PLL_DIV_8 0x03 - -#define R4_PLL_ON (1 << 7) -#define R4_CP_MANUAL (1 << 6) -#define R4_CP_AUTO (0 << 6) -#define R4_CP_50uA (0x00 | R4_CP_MANUAL) -#define R4_CP_100uA (0x01 | R4_CP_MANUAL) -#define R4_CP_200uA (0x02 | R4_CP_MANUAL) -#define R4_CP_400uA (0x03 | R4_CP_MANUAL) -#define R4_CP_800uA (0x07 | R4_CP_MANUAL) - -#define R5_I_FINE_GAIN(g) (g) // 8-bits -#define R6_I_COARSE_GAIN(g) ((g) & 0xf) // low 4-bits - -#define R9_Q_FINE_GAIN(g) (g) // 8-bits -#define R10_Q_COARSE_GAIN(g) ((g) & 0xf) // low 4-bits - - -// FIXME more registers for offset and gain control... - - -#endif /* INCLUDED_AD9777_REGS_H */ diff --git a/firmware/microblaze/lib/u2_init.c b/firmware/microblaze/lib/u2_init.c index 2e2e6a0fb..c56468c08 100644 --- a/firmware/microblaze/lib/u2_init.c +++ b/firmware/microblaze/lib/u2_init.c @@ -26,7 +26,6 @@ #include "hal_uart.h" #include "i2c.h" #include "mdelay.h" -#include "ad9777.h" #include "clocks.h" #include "db.h" #include "usrp2_i2c_addr.h" @@ -75,21 +74,6 @@ u2_init(void) // Enable ADCs output_regs->adc_ctrl = ADC_CTRL_ON; - - // Set up AD9777 DAC - ad9777_write_reg(0, R0_1R); - ad9777_write_reg(1, R1_INTERP_4X | R1_REAL_MIX); - ad9777_write_reg(2, 0); - ad9777_write_reg(3, R3_PLL_DIV_1); - ad9777_write_reg(4, R4_PLL_ON | R4_CP_AUTO); - ad9777_write_reg(5, R5_I_FINE_GAIN(0)); - ad9777_write_reg(6, R6_I_COARSE_GAIN(0xf)); - ad9777_write_reg(7, 0); // I dac offset - ad9777_write_reg(8, 0); - ad9777_write_reg(9, R9_Q_FINE_GAIN(0)); - ad9777_write_reg(10, R10_Q_COARSE_GAIN(0xf)); - ad9777_write_reg(11, 0); // Q dac offset - ad9777_write_reg(12, 0); // Initial values for tx and rx mux registers dsp_tx_regs->tx_mux = 0x10; diff --git a/host/lib/ic_reg_maps/gen_ad9777_regs.py b/host/lib/ic_reg_maps/gen_ad9777_regs.py index 5bfd404c2..135d5c724 100644 --- a/host/lib/ic_reg_maps/gen_ad9777_regs.py +++ b/host/lib/ic_reg_maps/gen_ad9777_regs.py @@ -49,7 +49,7 @@ pll_lock_indicator 0[1] 0 filter_interp_rate 1[6:7] 0 1x, 2x, 4x, 8x modulation_mode 1[4:5] 0 none, fs_2, fs_4, fs_8 zero_stuff_mode 1[3] 0 -real_mix_mode 1[2] 0 +mix_mode 1[2] 1 complex, real modulation_form 1[1] 0 e_minus_jwt, e_plus_jwt data_clk_pll_lock_sel 1[0] 0 pll_lock, data_clk ######################################################################## @@ -70,7 +70,7 @@ pll_divide_ratio 3[0:1] 0 div1, div2, div4, div8 ######################################################################## ## address 4 ######################################################################## -pll_off 4[7] 0 off, on +pll_state 4[7] 0 off, on auto_cp_control 4[6] 0 dis, enb pll_cp_control 4[0:2] 0 50ua=0, 100ua=1, 200ua=2, 400ua=3, 800ua=7 ######################################################################## @@ -81,8 +81,8 @@ qdac_fine_gain_adjust 9[0:7] 0 ######################################################################## ## address 6 and A ######################################################################## -idac_fine_coarse_adjust 6[0:3] 0 -qdac_fine_coarse_adjust A[0:3] 0 +idac_coarse_gain_adjust 6[0:3] 0 +qdac_coarse_gain_adjust A[0:3] 0 ######################################################################## ## address 7, 8 and B, C ######################################################################## diff --git a/host/lib/usrp/usrp2/mboard_impl.cpp b/host/lib/usrp/usrp2/mboard_impl.cpp index 4361e45cd..ea268651a 100644 --- a/host/lib/usrp/usrp2/mboard_impl.cpp +++ b/host/lib/usrp/usrp2/mboard_impl.cpp @@ -17,6 +17,7 @@ #include "usrp2_impl.hpp" #include "usrp2_regs.hpp" +#include "ad9777_regs.hpp" #include #include #include @@ -35,6 +36,30 @@ void usrp2_impl::mboard_init(void){ ); _clock_control = clock_control::make_ad9510(this); + + //setup the ad9777 dac + ad9777_regs_t ad9777_regs; + ad9777_regs.x_1r_2r_mode = ad9777_regs_t::X_1R_2R_MODE_1R; + ad9777_regs.filter_interp_rate = ad9777_regs_t::FILTER_INTERP_RATE_4X; + ad9777_regs.mix_mode = ad9777_regs_t::MIX_MODE_REAL; + ad9777_regs.pll_divide_ratio = ad9777_regs_t::PLL_DIVIDE_RATIO_DIV1; + ad9777_regs.pll_state = ad9777_regs_t::PLL_STATE_OFF; + ad9777_regs.auto_cp_control = ad9777_regs_t::AUTO_CP_CONTROL_ENB; + //I dac values + ad9777_regs.idac_fine_gain_adjust = 0; + ad9777_regs.idac_coarse_gain_adjust = 0xf; + ad9777_regs.idac_offset_adjust_lsb = 0; + ad9777_regs.idac_offset_adjust_msb = 0; + //Q dac values + ad9777_regs.qdac_fine_gain_adjust = 0; + ad9777_regs.qdac_coarse_gain_adjust = 0xf; + ad9777_regs.qdac_offset_adjust_lsb = 0; + ad9777_regs.qdac_offset_adjust_msb = 0; + //write all regs + for(boost::uint8_t addr = 0; addr <= 0xC; addr++){ + boost::uint16_t data = ad9777_regs.get_write_reg(addr); + this->transact_spi(SPI_SS_AD9777, spi_config_t::EDGE_RISE, data, 16, false /*no rb*/); + } } clock_control::sptr usrp2_impl::get_clock_control(void){ -- cgit v1.2.3