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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
*
* mur.sat
*
* Somewhen in the year 2012, mur.at will have a nano satellite launched
* into a low earth orbit (310 km above the surface of our planet). The
* satellite itself is a TubeSat personal satellite kit, developed and
* launched by interorbital systems. mur.sat is a joint venture of mur.at,
* ESC im Labor and realraum.
*
* Please visit the project hompage at sat.mur.at for further information.
*
*
* Copyright (C) 2013 Christian Pointner <equinox@mur.at>
*
* This file is part of mur.sat.
*
* mur.sat 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
* any later version.
*
* mur.sat 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 mur.sat. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/interrupt.h>
#include <avr/power.h>
#include <stdio.h>
#include "led.h"
#include "util.h"
#include "usbio.h"
#include "rda1846.h"
#include "rda1846_defines.h"
#define DEFAULT_FREQ 145900
//#define DEFAULT_FREQ 409750
int32_t current_freq_kHz = DEFAULT_FREQ;
static void set_default_freq(void)
{
printf("setting frequency to %d.%03d MHz .. ", (uint16_t)(current_freq_kHz / 1000),
(uint16_t)(current_freq_kHz % 1000));
current_freq_kHz = DEFAULT_FREQ;
if(rda1846_set_freq_kHz(current_freq_kHz))
printf("error\r\n");
else
printf("ok\r\n");
}
static int32_t print_actual_freq(void)
{
int32_t f = rda1846_get_freq_kHz();
if(f < 0)
printf("actual frequency: NaN MHz\r\n");
else
printf("actual frequency: %d.%03d MHz\r\n", (uint16_t)(f / 1000), (uint16_t)(f % 1000));
return f;
}
static void update_current_freq(void)
{
printf("setting frequency to %d.%03d MHz .. ", (uint16_t)(current_freq_kHz / 1000),
(uint16_t)(current_freq_kHz % 1000));
rda1846_powerdown();
if(rda1846_set_freq_kHz(current_freq_kHz))
printf("error\r\n");
else
printf("ok\r\n");
rda1846_wakeup();
/* current_freq_kHz = print_actual_freq(); */
/* if(current_freq_kHz < 0) */
/* current_freq_kHz = DEFAULT_FREQ; */
}
static void print_status(void)
{
int16_t rssi = rda1846_get_rssi();
printf("rssi: ");
if(rssi < 0) {
printf("-");
rssi*=-1;
}
printf("%d.%03d dB\r\n", (uint16_t)(rssi / 8), (uint16_t)((rssi % 8)*125));
int16_t vssi = rda1846_get_vssi();
if(vssi < 0)
printf("vssi: NaN mV\r\n");
else
printf("vssi: %d mV\r\n", vssi);
uint16_t flags = rda1846_get_flags();
if(flags == 0xFFFF)
printf("flags: ERROR\r\n");
else
printf("flags: %04X\r\n", flags);
print_actual_freq();
}
static void print_dtmf(void)
{
uint8_t idx1, idx2, code;
if(rda1846_get_dtmf(&idx1, &idx2, &code))
printf("DTMF: ERROR\r\n");
else
printf("DTMF: tone1=%d, tone2=%d, code=0x%02X\r\n", idx1, idx2, code);
}
static void handle_cmd(uint8_t cmd)
{
switch(cmd) {
case '0': rda1846_gpio_AA(); led_off(); printf("led OFF\r\n"); break;
case '1': rda1846_gpio_55(); led_on(); printf("led ON\r\n"); break;
case 't': led_toggle(); printf("led TOGGLE\r\n"); break;
case '!': reset2bootloader(); break;
case 'r': rda1846_soft_reset(); printf("soft resetting RDA1846.\r\n"); break;
case 'i': rda1846_init(); printf("initializing RDA1846.\r\n"); break;
case 'F': set_default_freq(); break;
case 'g': rda1846_gpio_off(); printf("GPIO off\r\n"); break;
case 'G': rda1846_gpio_default(); printf("GPIO to defaults\r\n"); break;
case 'f': print_actual_freq(); break;
case 's': print_status(); break;
case 'd': print_dtmf(); break;
case 'D': rda1846_dump_register(); break;
case 'p': rda1846_powerdown(); break;
case 'P': rda1846_wakeup(); break;
case 'I': rda1846_idle(); break;
case 'R': rda1846_receive(); break;
case 'T': rda1846_transmit(); break;
case '+': current_freq_kHz+=25; update_current_freq(); break;
case '-': current_freq_kHz-=25; update_current_freq(); break;
default: printf("\r\n"); return;
}
}
int main(void)
{
MCUSR &= ~(1 << WDRF);
wdt_disable();
cpu_init();
led_init();
usbio_init();
sei();
for(;;) {
int16_t BytesReceived = usbio_bytes_received();
while(BytesReceived > 0) {
int ReceivedByte = fgetc(stdin);
if(ReceivedByte != EOF) {
handle_cmd(ReceivedByte);
}
BytesReceived--;
}
usbio_task();
}
}
|
