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
178
|
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/sleep.h>
#include <util/delay.h>
void delay_ms(uint32_t time) {
uint32_t i;
for (i = 0; i < time; i++) {
_delay_ms(1);
}
}
#define NOOP asm volatile("nop" ::)
static void setup_clock( void )
{
/*Examine Page 33*/
CLKPR = 0x80; /*Setup CLKPCE to be receptive*/
CLKPR = 0x00; /*No scalar*/
OSCCAL = 0x42; //B8 is bottom E8 is top.
}
int main( )
{
int k;
cli();
setup_clock();
DDRB = _BV(4) | _BV(3) | _BV(1);
// setup_spi(); //XXX WARNING: If you use this, you can't use LED50 since it's on the SPI bus.
uint8_t marker;
while(1)
{
//0x05 says 0xa9
//0x06 says 0xb3, 0xb4
//0x07 says 0xc1
//0x08 says 0xd4
// 0xd4 - 0xa9 = 2b (43 base 10)
//"marker" = Code from Vive (Operating at OSCCAL = 0x80 = 8 MHz)
//0x08 = 0xe1
//0x05 = 0xb4
//at OSCCAL = 0x70
//0x05 = 0xa6
//0x08 = 0xcb
// 12 =
// 13 = 0x85 0x01
// 14 = 0x95 0x01
// 15 = 0xa1 0x01
//0x10 = 0xab 0x01
// 0x81 0x04
// <- <-
// First look at 0x04. There will be another byte because it is less than
// 128!
// 0x04<<7 = 0x200
// Because 0x81 is >= 128, it's a terminator.
// 0x200 | 0x81 = 0x281 << The actual value
//
// _BV(x) is a synonym for (1<<x)
#define LED48 _BV(3)
#define LED40 _BV(4)
#define LED50 _BV(1)
//Marker = Length of time for following
#define DO_MARKER( time, LEDS ) \
marker = time; do { PORTB = LEDS; marker--; PORTB = 0; } while( marker );
#if 0 //this breaks it?
DO_MARKER(20, LED50);
DO_MARKER(20, LED50|LED48);
DO_MARKER(20, LED48);
DO_MARKER(20, LED40|LED48);
DO_MARKER(20, LED40);
DO_MARKER(20, LED40|LED48);
DO_MARKER(20, LED40);
DO_MARKER(20, LED40|LED48);
DO_MARKER(20, LED40);
DO_MARKER(20, LED40|LED48);
DO_MARKER(20, LED40);
DO_MARKER(20, LED40|LED48);
DO_MARKER(20, LED40);
#endif
#if 1
DO_MARKER(30, LED48);
DO_MARKER(20, LED48|LED40|LED50);
DO_MARKER(20, LED48|LED40);
DO_MARKER(30, LED48);
DO_MARKER(20, LED48|LED40);
DO_MARKER(20, LED48|LED50);
DO_MARKER(30, LED48);
DO_MARKER(20, LED48|LED40);
DO_MARKER(20, LED48|LED40|LED50);
DO_MARKER(30, LED48);
#endif
#if 0
DO_MARKER(10, LED50);
DO_MARKER(50, LED50|LED48);
DO_MARKER(12, LED48);
#endif
//DO_MARKER(60, LED50);
// sendhex2( 5 );
// sendchr('\n');
/*
marker = 30;
do{
PORTB = _BV(0);
marker--;
PORTB = 0;
} while( marker );
// _delay_us(80);
marker = 10;
do{
PORTB = _BV(3);
marker--;
PORTB = 0;
} while( marker );
*/
/* _delay_us(16);
marker = 20;
do{
PORTB = _BV(4);
marker--;
PORTB = 0;
} while( marker );
*/
// t b6 b5 b4 b3 b2 b1 b0 t b13 b12 b11 b10 b9 b8 b7
// 1 0 0 0 0 1 0 1 0 0 0 0 1 0 0 0
// 8 5 0 8
//
//One pulse;
//08 [a5] ... @05
//08 [da 01] 54 a9 c6 a0 35 fe 2a @20? == 218 -> 436
//08 [e2] e2 46 b3 14 49 3c b2 @10
//08 [e9] e2 46 b3 14 49 3c b2 @11
//08 [f5] @12
//08 [82 01] @13
//08 [a7 08] @93
//08 [f7 03] @40 --> 1f7 --. 500(base 10) * 2 -> 750
//08 [85 08] @80 --> 1029
//evverything after those 08 08 is two variable length fields of data
//one starting after the 0808, and one going in reverse from the end
//For two pulses:
//08 08 [fc] [a2 01] [a6 01] / a3 42 ca / 4d e0 84 ef (@12) @10us between
//08 08 [9f 01] [a4 01] [c6 01] e6 53 33 / 76 7c c4 04 (@15)
//08 08 [a0 01] [b9 01] [c5 01] aa e9 cd / e6 da 0b cc (@15) @10us between
//08 08 [da 01] [b8 01] [c5 01] 90 9e 4a / d8 8a e1 55 (@20/@15) @10us between
//08 08 [db 01] [b8 01] [80 02] 1a f1 4a / a2 04 98 a0 (@20/@20) @10us between!
//08 08 [db 01] [a8] [9f 02] 99 27 07 5b / 7e 42 64 (@20/@20) @5us between!
//[sensor codes] [pulse time1] [length of time between pulses] [pulse time2]
//3 pulses, equal length:
// [78 78 78] [f0 01] [c7] [aa 02] [c7] [aa 02] 9f df 90 7d 35 11 c5
// (78) (78) (78) [b3 02] [94 01] [9b 02] [95 01] [9b 02] 97 5b 8c 14 af 08 43
//_delay_us(1000000/60);
//_delay_ms(10); //actually 5.3ms
_delay_ms(32);
}
return 0;
}
|