本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。& z; _% k% j y
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 p( t. ?6 w" T3 A. U# ]$ Q3 W
- #include <malloc.h>; d/ Q) T' h; j9 U7 `1 C" X7 g
- #include <sys/types.h>1 {# q" E' ?3 g& K. j( P; _2 b
- #include <sys/stat.h>6 h' s, C! _; s' E) S
- #include <sys/ioctl.h>
( T8 g' _, i8 M( i - #include <stdio.h>
2 o& k! E( ]5 A - #include <string.h>0 I9 R- Z P9 @; m; o0 q1 l* w
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- typedef struct {% `- t, a2 k+ n" E8 Y1 K+ S
- unsigned int e2prom_cmd_sub_addr;6 b! G) v# F$ W2 C& k" V3 t
- unsigned int sub_addr_count;( ?7 l, j1 h6 g& e% z- c
- unsigned char* e2prom_cmd_data; g6 E+ k s# H, }
- unsigned int data_count;% _& T5 f) G$ Q$ e+ {& z( a
- } e2prom_s_cmd;
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8 M& @$ M6 T. J X K- #define E2PROM_CMD_READ 1( H7 V( u0 [6 m% `+ t; Z( O! y
- #define E2PROM_CMD_WRITE 2. h, ~6 M; O$ f" Y9 j6 w( G+ U: F
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 O+ a% M9 ~) H! |7 A
- - S: t1 v1 t' }
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
( F- `9 T: k0 W, ~3 f0 M: h: s) x - e2prom_s_cmd arg;( X, V- k1 Q+ Z9 }+ `
- unsigned char buf[0x18];
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5 O4 @# {& E" \8 Q$ f% s: e- fd = open(E2PROM_DEVICE, O_RDWR);
1 i# i) Z1 F5 \, B6 q! I - if (fd < 0) {( w7 G( \ c0 }& P
- printf("Device %s open error.\n", E2PROM_DEVICE);) S6 i m3 @: [6 c% H( _& E, L# ^
- return -1;
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- arg.sub_addr_count = 2;
) M5 y- B' \4 s; m( D - arg.data_count = 0x18;) R6 I* g* a( W0 P! E1 S2 @
- arg.e2prom_cmd_sub_addr = 0x290;
. v" x, q' G7 K0 X - arg.e2prom_cmd_data = buf; k% W9 I a3 w5 t2 }6 u2 r
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
4 N& R' j/ \7 d* } - if (ret != 0) {4 k5 B" E& M" n: U9 x4 r/ O
- printf("Device %s read error.\n", E2PROM_DEVICE);& z& i1 u" _$ b' p2 O
- return -1;, Q6 C2 l7 c# K' Q1 Z
- }" @) M/ ?0 y1 F; u# ^" s
- memcpy(mac, buf, 6);% \, p& ^0 F* }+ N& ~
- memcpy(stbid, &buf[6], 18);
6 g- L8 }6 w- a+ l2 g1 Y5 L - stbid[18] = '\0';
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- return 0;
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# Z* J. q$ X7 b, [- static int writeparam(unsigned char *mac, unsigned char *stbid) @0 N+ t$ q0 U G6 L* ?
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- int fd, ret;
6 a5 D( t; P+ h9 n - e2prom_s_cmd arg;" w# G! P8 \6 j5 ~2 C# `1 z0 t- g
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);3 H( k0 c) Q( l1 F& ~. E" a- F
- memcpy(&buf[6], stbid, 18);& ] H2 `8 S! o. F7 H6 M3 S: C
- fd = open(E2PROM_DEVICE, O_RDWR);
" \7 u/ L8 Q a# D/ {# L4 | - if (fd < 0) {
3 [, Y: p* T, o - printf("Device %s open error.\n", E2PROM_DEVICE);* B+ q* e. e6 g5 V
- return -1;5 Q- K5 Y1 r! j- m) @3 j7 v: @
- }- J' j; m2 P$ M" Z9 u: f
- arg.sub_addr_count = 2;
: d. O0 i7 L1 M3 ]/ x B - arg.data_count = 0x18;7 R6 u8 \: D2 z4 G& ~
- arg.e2prom_cmd_sub_addr = 0x290;' W4 }2 z8 O9 ]7 F! ]6 y: k
- arg.e2prom_cmd_data = buf;
$ [- ~0 O* ?+ `6 o - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ D9 `3 B, @+ q
- if (ret != 0) {
- P0 `+ n! n0 K. j+ Y x! t. I. P+ Q. [: p - printf("Device %s write error.\n", E2PROM_DEVICE);
8 e+ ^' o9 P# x" F1 {6 Z S - return -1;" l6 c2 I1 c' \! B0 G/ f
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- C2 a4 a* C; [) S1 a2 |- return 0;, N7 H0 ~' U6 T/ Q" W# t
- }
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" E9 t0 @0 W, ^* N3 S2 g8 C- q- int main()
5 h' D; T; @# I# k( B# z" ~; } - {
( h2 u8 u; ^( j: n# w+ y - char c;% X# s( i3 k' p4 y" ~
- int i, macs[6];
3 ~$ ~8 z4 k, v) ?* b* A - unsigned char mac[6];
8 Y* H5 E A- \ - unsigned char stbid[256];
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+ s* J& D% ?; x G0 c0 O- if (readparam(mac, stbid) < 0)( L6 M' ]8 |( [$ }4 D
- return 1; l2 k/ G" H2 q# w
- 6 [1 V3 X. u8 X, F+ g+ H
- printf("Current parameters: \n");' A0 B: | M. y7 }8 T2 U# S+ {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# D/ @8 b0 D6 _* f0 g - printf(" STBID: %s\n", stbid);: I7 L4 a& T" H# R5 v: J
- 5 C2 A. e5 O& I; g- t9 t5 H- J& u
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- I$ ^$ H% F. j - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# f: N/ r3 }5 U$ D- F: O. J
- printf("Input MAC error\n");& c8 a1 w9 L1 [4 f+ k5 B( I
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];, _, G r4 o: z& Q8 W: y. Z7 E; Q6 C
- printf("\nPlease input new STBID: ");
" B3 W' a+ A: j1 {/ [ - scanf("%s", stbid);) f6 M" ]0 }* s, N- ], I( a7 D
- if (strlen(stbid) != 18) {
- D5 R. H* S3 a9 S - printf("Invalid stbid\n");/ o/ x) k) L( s- q* [9 P
- return 1;2 L3 W" ?# t7 ~# H/ l
- }
k1 f2 e1 V1 b0 w# U - printf("\nNew parameters: \n");
5 C" F1 z2 y9 D; e8 N - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' L0 W3 G8 d) M7 d' Q& c
- printf(" STBID: %s\n", stbid);1 o/ x* g- A( J7 e5 k" A
" [% N; w# R1 B2 N; \( J- printf("\nDo you want to change paramemters? (y/N) ");
/ i* u; p& F# N6 c% `9 @/ b" D8 O - for (;;) {
9 ?, i2 i+ a: U6 O; \ - c = getchar();
" y! ?' K+ T4 B; j, A0 D9 y7 a - if (c == 'y' || c == 'Y')5 L- u6 k; u [: a
- break;1 D- @4 |( r% y* O+ i/ j
- if (c == 'n' || c == 'N') {# P1 i4 ?4 V0 h- [. w
- printf("\nAborted.\n");
/ B& C5 ~. S' o- S0 U - return 1;, w7 m b- C8 u) d8 F6 n
- }
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6 h* F6 g4 q5 q) Q$ _0 } - if (writeparam(mac, stbid) == 0) 8 l, ? q4 e5 g
- printf("Parameters changed.\n");$ L. K$ b3 O" A$ Y- b
( S; p4 |& A4 T3 m) a. U+ `7 @# \- return 0;% a! A Q1 V" X+ d
- }
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