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
|
#include "u2_init.h"
#include "memory_map.h"
#include "spi.h"
#include "hal_io.h"
#include "buffer_pool.h"
#include "nonstdio.h"
// Globals
#define EMPTY 0
#define FILLING 1
#define FULL 2
#define EMPTYING 3
#define PORT 2 // ethernet = 2, serdes = 0
int dsp_rx_buf, dsp_tx_buf, serdes_rx_buf, serdes_tx_buf;
int dsp_rx_idle, dsp_tx_idle, serdes_rx_idle, serdes_tx_idle;
int buffer_state[4];
static void
wait_until_status_nonzero(void)
{
while (buffer_pool_status->status == 0)
;
}
int
main(void)
{
int i;
u2_init();
dsp_tx_regs->freq = 0;
dsp_tx_regs->scale_iq = (1 << 16) | 1;
dsp_tx_regs->interp_rate = 8;
// Write data to be sent into the first buffer
volatile unsigned int *buffer0 = buffer_ram(0);
volatile unsigned int *buffer1 = buffer_ram(1);
putstr("Starting to fill in RAM\n");
for(i=0;i<512;i++)
buffer0[i] = i;
putstr("Filled in RAM\n");
buffer0[0] = 7; // start and end of buffer, send immediately
buffer0[1] = 0x0000; // start time
bp_clear_buf(0);
bp_send_from_buf(0, 1, 1, 0, 9);
while (buffer_pool_status->status == 0)
;
while(timer_regs -> time < 0x6000)
{}
buffer0[0] = 3; // start and end of buffer
buffer0[1] = 0x8000; // start time
bp_clear_buf(0);
bp_send_from_buf(0, 1, 1, 0, 9);
while (buffer_pool_status->status == 0)
;
while(timer_regs -> time < 0x8400)
{}
buffer0[0] = 3; // start and end of buffer
buffer0[1] = 0x8800; // start time
bp_clear_buf(0);
bp_send_from_buf(0, 1, 1, 0, 9);
while (buffer_pool_status->status == 0)
;
while(timer_regs -> time < 0x9000)
{}
buffer0[0] = 0x2; // not last
buffer0[1] = 0x9100; // start time
bp_clear_buf(0);
bp_send_from_buf(0, 1, 1, 0, 9);
while (buffer_pool_status->status == 0)
;
buffer0[0] = 0x1; // last
buffer0[1] = 0x0000; // start time
bp_clear_buf(0);
bp_send_from_buf(0, 1, 1, 0, 9);
while (buffer_pool_status->status == 0)
;
buffer0[0] = 0x3; // first and last
buffer0[1] = 0x8000; // Time in the past
bp_clear_buf(0);
bp_send_from_buf(0, 1, 1, 0, 9);
while (buffer_pool_status->status == 0)
;
/*
buffer0[0] = 0x2; // not last
buffer0[1] = 0x9600; // start time
bp_clear_buf(0);
bp_send_from_buf(0, 1, 1, 0, 9);
while (buffer_pool_status->status == 0)
;
*/
while(timer_regs -> time < 0xa000)
{}
putstr("Done\n");
while(1)
{}
hal_finish();
// Send a bunch, let them pile up in FIFO
bp_send_from_buf(0, 2, 1, 21, 80); wait_until_status_nonzero();
bp_clear_buf(0);
putstr("First add'l TX done\n");
bp_send_from_buf(0, 2, 1, 81, 288); wait_until_status_nonzero();
bp_clear_buf(0);
bp_send_from_buf(0, 2, 1, 289, 292); wait_until_status_nonzero();
bp_clear_buf(0);
bp_send_from_buf(0, 2, 1, 293, 326); wait_until_status_nonzero();
bp_clear_buf(0);
bp_send_from_buf(0, 2, 1, 327, 399); wait_until_status_nonzero();
bp_clear_buf(0);
bp_send_from_buf(0, 2, 1, 400, 511); wait_until_status_nonzero();
bp_clear_buf(0);
putstr("All add'l TX done\n");
bp_receive_to_buf(1, 2, 1, 21, 80); wait_until_status_nonzero();
bp_clear_buf(1);
putstr("First add'l RX done\n");
bp_receive_to_buf(1, 2, 1, 81, 288); wait_until_status_nonzero();
bp_clear_buf(1);
bp_receive_to_buf(1, 2, 1, 289, 292); wait_until_status_nonzero();
bp_clear_buf(1);
bp_receive_to_buf(1, 2, 1, 293, 326); wait_until_status_nonzero();
bp_clear_buf(1);
bp_receive_to_buf(1, 2, 1, 327, 399); wait_until_status_nonzero();
bp_clear_buf(1);
bp_receive_to_buf(1, 2, 1, 400, 511); wait_until_status_nonzero();
bp_clear_buf(1);
putstr("All add'l RX done\n");
for(i=0;i<512;i++)
if(buffer0[i] != buffer1[i]) {
putstr("ERROR at location: ");
puthex_nl(i);
putstr("Value sent: ");
puthex_nl(buffer0[i]);
putstr("Value rcvd: ");
puthex_nl(buffer1[i]);
//break;
}
putstr("Done Testing\n");
hal_finish();
return 1;
}
|