-
Notifications
You must be signed in to change notification settings - Fork 3
/
Copy pathprot_v1.c
174 lines (141 loc) · 3.59 KB
/
prot_v1.c
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
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
extern uint8_t chipID;
extern uint8_t u8Buff[64];
/* text: USB DBG CH559 & ISP*/
static char detect_chip_cmd_v1[64] = {0xa2, 0x13, 0x55, 0x53, 0x42, 0x20, 0x44, 0x42,
0x47, 0x20, 0x43, 0x48, 0x35, 0x35, 0x39, 0x20,
0x26, 0x20, 0x49, 0x53, 0x50, 0x00};
static char use_interface_cmd_v1[2] = {0xbb, 0x00};
static char key_input_cmd_v1[6] = {0xa6, 0x04, 0x00, 0x00, 0x00, 0x00};
static char erase_page_cmd_v1[4] = {0xa9, 0x02, 0x00, 0x00}; /* 1KB/Page? */
static char write_cmd_v1[64] = {0xa8, 0x00, 0x00, 0x00}; /* cmd, length, addrl, addrh, data */
static char verify_cmd_v1[64] = {0xa7, 0x00, 0x00, 0x00}; /* cmd, length, addrl, addrh, data */
static char run_cmd_v1[4] = {0xa5, 0x02, 0x01, 0x00};
uint32_t Write(uint8_t *p8Buff, uint8_t u8Length);
uint32_t Read(uint8_t *p8Buff, uint8_t u8Length);
int v1_detect(void) {
/* Detect MCU */
if (!Write(detect_chip_cmd_v1, 63)) {
printf("Send Detect: Fail\n");
return 1;
}
if (!Read(u8Buff, 2)) {
printf("Read Detect: Fail\n");
return 1;
}
chipID = u8Buff[0];
printf("Chip ID=%02x\n", chipID);
/* Detect Bootloader */
if (!Write(use_interface_cmd_v1, 2)){
printf("Send ID: Fail\n");
return 1;
}
if (!Read(u8Buff, 2)) {
printf("Read ID: Fail\n");
return 1;
}
printf("Bootloader: %d.%d\n", u8Buff[0] >> 4, u8Buff[0] & 0xf);
//hexdump(inbuffer, 2);
/* Input a dummy key for non encrypted FW */
if (!Write(key_input_cmd_v1, 6)) {
printf("Send Key: Fail\n");
return 1;
}
if (!Read(u8Buff, 2)) {
printf("Read Key: Fail\n");
return 1;
}
return 0;
}
int v1_write(uint8_t* file_buffer, int file_length) {
int i;
int n;
int curr_addr = 0;
int pkt_length;
/* Erase */
n = (file_length + 1023) / 1024;
for(i = 0; i < n ; i++)
{
erase_page_cmd_v1[3] = i * 4;
if (!Write(erase_page_cmd_v1, 4)) {
printf("Send Erase: Fail\n");
return 1;
}
if (!Read(u8Buff, 2)) {
printf("Read Erase: Fail\n");
return 1;
}
if(u8Buff[0] != 0x00)
{
fprintf(stderr, "Erase failed!\n");
return 1;
}
}
/* Write */
i = file_length;
while(curr_addr < file_length) {
pkt_length = i >= 0x3c? 0x3c: i;
write_cmd_v1[1] = pkt_length;
write_cmd_v1[2] = curr_addr & 0xff;
write_cmd_v1[3] = (curr_addr >> 8) & 0xff;
memcpy(write_cmd_v1 + 4, file_buffer + curr_addr, pkt_length);
if(!Write(write_cmd_v1, 64)) {
printf("Send Write: Fail\n");
return 1;
}
if (!Read(u8Buff, 2)) {
printf("Read Write: Fail\n");
return 1;
}
//hexdump(u8Buff, 2);
//printf("Write to addr %d, pkt_length %d\n", curr_addr, pkt_length);
curr_addr += pkt_length;
i -= pkt_length;
if(u8Buff[0] != 0x00)
{
printf("Error: Write failed!\n");
return 1;
}
}
return 0;
}
int v1_verify(uint8_t* file_buffer, int file_length) {
int i;
int curr_addr = 0;
int pkt_length;
/* Verify */
i = file_length;
curr_addr = 0;
while(curr_addr < file_length) {
pkt_length = i >= 0x3c? 0x3c: i;
verify_cmd_v1[1] = pkt_length;
verify_cmd_v1[2] = curr_addr & 0xff;
verify_cmd_v1[3] = (curr_addr >> 8) & 0xff;
memcpy(verify_cmd_v1 + 4, file_buffer + curr_addr, pkt_length);
//memset(verify_cmd_v1 + 4, 0xff, pkt_length);
if (!Write(verify_cmd_v1, 64)) {
printf("Send Verify: Fail\n");
return 1;
}
if (!Read(u8Buff, 2) ) {
printf("Read Write: Fail\n");
return 1;
}
//hexdump(inbuffer, 2);
//printf("Verify addr %d\n", curr_addr);
curr_addr += pkt_length;
i -= pkt_length;
if(u8Buff[0] != 0x00)
{
printf("Verify failed!\n");
return 1;
}
}
return 0;
}
void v1_reset(void) {
Write(run_cmd_v1, 4);
}