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
|
#include <stdint.h>
#include "handshake.h"
/**
* Case HS_IDLE
*
*/
hs_status_t HS_func_0(p_stream_t stream, void **args)
{
int hs_status = HS_STATE_0;
uint8_t MDR_req_buf[2] = {0x0, 0x1};
if (stream.write(MDR_req_buf, 2, NULL, &stream) != 0) {
hs_status = HS_STATE_FAIL;
}
else {
hs_status = HS_STATE_1;
}
return hs_status;
}
hs_status_t HS_func_1(p_stream_t stream, void **args)
{
int hs_status = HS_STATE_1;
uint8_t MDR_ACK_buf[2] = {0x0, 0x0};
if (stream.read(MDR_ACK_buf, 2, NULL, &stream) != 0);
else {
uint8_t ACK_flag = MDR_ACK_buf[1];
if (ACK_flag == 0xFF) {
/* Assign MDR_len for forward propogation in FSM */
args[0] = malloc(sizeof(uint16_t));
args[0] = &MDR_ACK_buf[0];
hs_status = HS_STATE_2;
}
else {
hs_status = HS_STATE_FAIL;
}
}
return hs_status;
}
hs_status_t HS_func_2(p_stream_t stream, void **args)
{
int hs_status = HS_STATE_2;
uint8_t MDR_CTS_buf[2] = {0x0, 0x02};
if (stream.write(MDR_CTS_buf, 2, NULL, &stream) != 0) {
hs_status = HS_STATE_FAIL;
}
else {
hs_status = HS_STATE_3;
}
return hs_status;
}
hs_status_t HS_func_3(p_stream_t stream, void **args)
{
int hs_status = HS_STATE_3;
uint8_t *MDR_buf, *MDR_len = (uint8_t*)args[0];
MDR_buf = (uint8_t*)malloc(*MDR_len);
if (stream.read(MDR_buf, *MDR_len, NULL, &stream) != 0) {
hs_status = HS_STATE_FAIL;
}
else {
args[1] = malloc(sizeof(uint8_t)*(*MDR_len));
memcpy(args[1], MDR_buf, *MDR_len);
hs_status = HS_STATE_SUCCESS;
}
return hs_status;
}
|
