1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/* -*- c++ -*- */
/*
* Copyright 2004 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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, or (at your option)
* any later version.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "usrp_common.h"
#include "spi.h"
void
set_led_0 (unsigned char on)
{
if (!on) // active low
USRP_PC |= bmPC_LED0;
else
USRP_PC &= ~bmPC_LED0;
}
void
set_led_1 (unsigned char on)
{
if (!on) // active low
USRP_PC |= bmPC_LED1;
else
USRP_PC &= ~bmPC_LED1;
}
void
toggle_led_0 (void)
{
USRP_PC ^= bmPC_LED0;
}
void
toggle_led_1 (void)
{
USRP_PC ^= bmPC_LED1;
}
void
la_trace_init (void)
{
}
void
set_sleep_bits (unsigned char bits, unsigned char mask)
{
// NOP on usrp1
}
static xdata unsigned char xbuf[1];
void
write_9862 (unsigned char which, unsigned char regno, unsigned char value)
{
xbuf[0] = value;
spi_write (0, regno & 0x3f,
which == 0 ? SPI_ENABLE_CODEC_A : SPI_ENABLE_CODEC_B,
SPI_FMT_MSB | SPI_FMT_HDR_1,
xbuf, 1);
}
void
write_both_9862s (unsigned char regno, unsigned char value)
{
xbuf[0] = value;
spi_write (0, regno & 0x3f,
SPI_ENABLE_CODEC_A | SPI_ENABLE_CODEC_B,
SPI_FMT_MSB | SPI_FMT_HDR_1,
xbuf, 1);
}
#define REG_RX_PWR_DN 1
#define REG_TX_PWR_DN 8
#define REG_TX_MODULATOR 20
static void
power_down_9862s (void)
{
write_both_9862s (REG_RX_PWR_DN, 0x01);
write_both_9862s (REG_TX_PWR_DN, 0x0f); // pwr dn digital and analog_both
write_both_9862s (REG_TX_MODULATOR, 0x00); // coarse & fine modulators disabled
}
void
init_board (void)
{
la_trace_init ();
init_spi ();
USRP_PC &= ~bmPC_nRESET; // active low reset
USRP_PC |= bmPC_nRESET;
power_down_9862s ();
}
|
