mirror of https://gerrit.osmocom.org/libusrp
114 lines
2.3 KiB
C
114 lines
2.3 KiB
C
/* -*- c++ -*- */
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/*
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* Copyright 2004 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "usrp_common.h"
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#include "spi.h"
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void
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set_led_0 (unsigned char on)
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{
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if (!on) // active low
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USRP_PC |= bmPC_LED0;
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else
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USRP_PC &= ~bmPC_LED0;
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}
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void
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set_led_1 (unsigned char on)
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{
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if (!on) // active low
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USRP_PC |= bmPC_LED1;
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else
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USRP_PC &= ~bmPC_LED1;
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}
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void
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toggle_led_0 (void)
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{
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USRP_PC ^= bmPC_LED0;
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}
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void
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toggle_led_1 (void)
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{
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USRP_PC ^= bmPC_LED1;
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}
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void
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la_trace_init (void)
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{
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}
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void
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set_sleep_bits (unsigned char bits, unsigned char mask)
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{
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// NOP on usrp1
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}
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static xdata unsigned char xbuf[1];
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void
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write_9862 (unsigned char which, unsigned char regno, unsigned char value)
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{
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xbuf[0] = value;
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spi_write (0, regno & 0x3f,
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which == 0 ? SPI_ENABLE_CODEC_A : SPI_ENABLE_CODEC_B,
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SPI_FMT_MSB | SPI_FMT_HDR_1,
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xbuf, 1);
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}
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void
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write_both_9862s (unsigned char regno, unsigned char value)
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{
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xbuf[0] = value;
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spi_write (0, regno & 0x3f,
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SPI_ENABLE_CODEC_A | SPI_ENABLE_CODEC_B,
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SPI_FMT_MSB | SPI_FMT_HDR_1,
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xbuf, 1);
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}
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#define REG_RX_PWR_DN 1
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#define REG_TX_PWR_DN 8
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#define REG_TX_MODULATOR 20
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static void
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power_down_9862s (void)
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{
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write_both_9862s (REG_RX_PWR_DN, 0x01);
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write_both_9862s (REG_TX_PWR_DN, 0x0f); // pwr dn digital and analog_both
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write_both_9862s (REG_TX_MODULATOR, 0x00); // coarse & fine modulators disabled
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}
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void
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init_board (void)
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{
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la_trace_init ();
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init_spi ();
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USRP_PC &= ~bmPC_nRESET; // active low reset
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USRP_PC |= bmPC_nRESET;
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power_down_9862s ();
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}
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