本帖最后由 0522 于 2012-3-21 23:04 编辑 2 D: T9 |. `6 m! @9 S2 R w
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修改的代码早有了。到今天不会编译。
5 l$ Q" Q; y* \: Y需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>3 B- B9 j f, I) h
- #include <malloc.h>
! R% ?2 C# M# g - #include <sys/types.h>
5 `. {5 D# n* j( N( _0 m( U - #include <sys/stat.h>) E# Z( R4 d: p8 |; ]! B9 ?) ~
- #include <sys/ioctl.h>, @# {' G& Z+ x- A; c& l
- #include <stdio.h> b9 W: C0 s, n
- #include <string.h> b% ]( I( x7 t) D' |. d
- & {0 L, a% m! a& c2 G8 X2 }, A3 C
- typedef struct {
4 ]) L e/ D) G - unsigned int e2prom_cmd_sub_addr;
8 ^3 l- T7 t0 A9 ` - unsigned int sub_addr_count;3 ]2 \* h( I: n; r. g6 ?
- unsigned char* e2prom_cmd_data;
% F8 E% G6 J- Y - unsigned int data_count;+ j/ a1 \- N U* m, X
- } e2prom_s_cmd;
+ [( @8 V) w/ D2 E7 ^8 Q2 t - : n& F/ N) G+ L2 v3 c" A
- #define E2PROM_CMD_READ 1
5 W" P2 Z7 ^- B) y, @8 P - #define E2PROM_CMD_WRITE 2; ^5 s7 f; q3 g
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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7 V$ i2 H! E: Q b* m8 k& O2 ^7 ]- static int readparam(unsigned char *mac, unsigned char *stbid)
& c. u4 o/ b/ P, r; n" n - {- @' U. ~6 U* ]
- int fd, ret;
3 C0 w0 ?' _# a* i! z - e2prom_s_cmd arg;
! a C* g7 J; b6 _1 X" U& P3 i - unsigned char buf[0x18];
# u5 k( u! p% Z$ e9 _/ a5 Y - / h3 O9 A( e. q7 \$ Y* _9 x
- fd = open(E2PROM_DEVICE, O_RDWR);* P- U/ |. ?$ p3 K; s
- if (fd < 0) {: k4 N7 T* J1 v7 T% P
- printf("Device %s open error.\n", E2PROM_DEVICE);1 \$ x8 C+ q: o% [
- return -1;
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- arg.sub_addr_count = 2;
: a( |( ?% ~" Q - arg.data_count = 0x18;' P- {" I: M3 |! ^" c% N: H
- arg.e2prom_cmd_sub_addr = 0x290;
# A- i6 R8 O2 ? I - arg.e2prom_cmd_data = buf;) {( j4 ], n$ n! q& ~9 g
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);' E9 w& R e* I) `5 y) T1 _$ y
- if (ret != 0) {
# j. F, p+ H. n - printf("Device %s read error.\n", E2PROM_DEVICE);+ N* k" z% @ s0 ` U0 c3 @
- return -1;
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- memcpy(mac, buf, 6);% C/ }& s4 ?+ b0 [. ]2 j$ }
- memcpy(stbid, &buf[6], 18);% B; ?% G9 }. g( Q) Q5 D' O
- stbid[18] = '\0';
# ~1 ^0 l$ p! h' b3 k1 U
" M2 y" w* ?9 l# W- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;% M9 B, @1 Y8 W; J8 @
- e2prom_s_cmd arg; D) N8 j2 l, E/ Z6 v' D
- unsigned char buf[0x18];; d1 G& ^' z- G- `" u: a
: m4 s+ w* ^, u6 R; l2 L& o. b- memcpy(buf, mac, 6); J" Y3 @, I6 L0 F2 ^
- memcpy(&buf[6], stbid, 18);4 Q9 v* b5 c" M( I! M# }) |
- fd = open(E2PROM_DEVICE, O_RDWR);2 w% K* [6 c" _
- if (fd < 0) {( \2 b0 q* V+ T
- printf("Device %s open error.\n", E2PROM_DEVICE);, p; ^4 ~0 h% t: t$ P R: ?- J2 _
- return -1;1 \3 |7 t" { g& h
- }
# G6 L+ o- ]+ p& C) N& H- s - arg.sub_addr_count = 2;
, `0 r5 P/ x5 X! M) ` - arg.data_count = 0x18;7 R9 G0 e; S; H4 D7 v- y( z) b6 P
- arg.e2prom_cmd_sub_addr = 0x290;
! V) _# Z8 S7 n3 _7 ^ - arg.e2prom_cmd_data = buf;# \5 {! X4 H9 B! [! u+ d& N
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
# A- `1 z! a" E; V6 U% A - if (ret != 0) {' ~' ?* z* N$ N: z" k
- printf("Device %s write error.\n", E2PROM_DEVICE);
. ]1 f' ^' \( X( U# a& ^ - return -1;
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V; `) G0 n8 \, u2 V9 C6 r' b- return 0;% S5 q1 p& B9 N, \
- }
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- int main(), Z/ @3 I, @; u9 W! b
- {3 J _" F9 S) D" p% Q3 [
- char c;0 i, ^2 N( g' R) j
- int i, macs[6];* [# Z& S$ C5 B1 O: S
- unsigned char mac[6];2 J+ }: s% Y M9 A2 u
- unsigned char stbid[256];9 J6 V4 o% \, Z m
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- if (readparam(mac, stbid) < 0)
1 X. L5 K% \) I8 N% l+ j" ^ p - return 1;
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9 ~ l {! V9 E$ T4 Y- o# M- printf("Current parameters: \n");
1 U. ^+ K8 B# r1 W5 I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ g6 I7 Z" F# `, x; W2 B
- printf(" STBID: %s\n", stbid);$ O! o, X" Q I% Y
-
0 ]2 l, M2 V6 x0 I - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
5 H5 \3 u. M3 x5 j% s$ f9 I - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. U9 h; s/ o3 e0 J+ Y- u - printf("Input MAC error\n");! [$ B8 R4 Z. R( ~; E8 r
- return 1;
( h- A2 [0 ]# G, j - }
0 L( D" R8 t0 X+ ^, @ - for (i=0; i<6; i++)mac[i] = macs[i];
% T5 O$ k5 n7 V - printf("\nPlease input new STBID: ");5 Q# Y9 q% ]" ?) Z
- scanf("%s", stbid);% u/ x3 G, `7 a3 E1 ^
- if (strlen(stbid) != 18) {
) S* {& J9 F- a, N- x - printf("Invalid stbid\n");
) v/ ~+ P3 t4 D2 S - return 1;& Y: g( A/ |1 [; y% f: S, r
- }* ? ], q* u8 L+ F4 F
- printf("\nNew parameters: \n");
" w& f. s; {6 Q2 m. D! u - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 ]9 a; `7 R* A* o7 l, ]
- printf(" STBID: %s\n", stbid);2 x! ^5 o0 ~# N8 [5 p' D: Q
2 d7 ^5 J+ `; ?, G- V- \4 H9 h" B- printf("\nDo you want to change paramemters? (y/N) ");
" t6 e \. U+ O( S - for (;;) {4 E9 i) z7 u7 K6 g0 G
- c = getchar();
$ T; i7 v, h8 m ^8 U0 ? - if (c == 'y' || c == 'Y')6 s* b, H% {5 z/ Q
- break;. d1 T4 [1 m1 I
- if (c == 'n' || c == 'N') {, c/ s0 W& S& t% n4 B& A# Z
- printf("\nAborted.\n");5 v9 J/ l9 U# n/ Y4 t
- return 1;
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- }( A1 D9 N2 k# V5 j3 R
- if (writeparam(mac, stbid) == 0)
6 L; m6 H- A D - printf("Parameters changed.\n");
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- return 0;
7 M8 e. n: ]- g8 i - }
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