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。: H- C' J3 J! l6 ^, J
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>3 O/ n% A# l) Z" w- s
- #include <malloc.h>
2 P- g! z4 }0 I5 v9 w. ]: u - #include <sys/types.h>" f- Q r; S) K N! a
- #include <sys/stat.h>" X& l6 v1 o* N8 a" J" ?
- #include <sys/ioctl.h>
) F! {3 g# M, H* k0 l/ D - #include <stdio.h>
7 ]) o5 ~8 O/ \( ? - #include <string.h>0 U( J( w8 I! f2 m/ p. |% a
) N8 A& S& ~6 A9 S* N( @4 y- typedef struct {7 k1 b! x1 n* v
- unsigned int e2prom_cmd_sub_addr;
' R0 H" q( j+ G. j% C5 F6 P6 \ - unsigned int sub_addr_count;
) L& O- k5 V& b+ }" T" } - unsigned char* e2prom_cmd_data;
8 ]" @2 {1 N5 e, `: B - unsigned int data_count;. F, U3 x* I9 Q- T( A% h" \. t6 ?
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
; _9 S( Q; c7 o/ G0 \ - #define E2PROM_CMD_WRITE 20 q8 v0 e6 y& A n0 w- j/ \
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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3 y7 t/ Q' P, X9 _, {; v1 T- static int readparam(unsigned char *mac, unsigned char *stbid)# O1 F6 t$ K/ G! J0 K
- {
: ^5 Y N$ M2 b9 Z6 ]/ f - int fd, ret;
' c; H7 w6 M8 r) h - e2prom_s_cmd arg;
4 A) K$ k5 q$ T# M6 x/ t - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
5 C* _8 E8 y9 c6 k, W - if (fd < 0) {* N% L' ` d5 N$ J7 N i
- printf("Device %s open error.\n", E2PROM_DEVICE);7 Q6 ^6 Y! h& t3 ?% N+ }
- return -1;0 ]) P7 p7 m% l x2 Y, c' F4 r( Y
- }
$ [: \' T+ U* E; A: P2 v) `, {$ l - arg.sub_addr_count = 2;
: L m2 @3 n ~7 J, q% g - arg.data_count = 0x18;
( m' K# n. ~" ^: `# z5 d5 c+ ~ - arg.e2prom_cmd_sub_addr = 0x290;
2 Y% s; f0 N4 Z7 y+ a/ w - arg.e2prom_cmd_data = buf;$ n2 U, l+ c, R7 ~
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);* I: o0 z# `3 l5 K3 x6 ]3 s
- if (ret != 0) {
. u9 I4 _1 v4 L1 p: ` - printf("Device %s read error.\n", E2PROM_DEVICE);9 ~$ V0 J- V3 {
- return -1;+ G$ _, [2 l7 e. S) Q
- }: r9 b& G5 r: E3 z. |# h
- memcpy(mac, buf, 6);- q% O3 U1 w* Y* |* {, S; a
- memcpy(stbid, &buf[6], 18);4 G0 s. B, B5 ?5 K
- stbid[18] = '\0';
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- return 0;
. L/ ]) c2 [+ w% f- g - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)+ K5 Q: _. h8 |5 O6 s
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- int fd, ret;! F( j! K$ w2 l: N: |* L: L( L
- e2prom_s_cmd arg;- r( Y' N1 h U9 b- I
- unsigned char buf[0x18]; r7 U; S- u$ V6 U0 x
- 7 `5 x& Q# P, A4 b$ u0 ~- u
- memcpy(buf, mac, 6);
4 s# ?. _$ Y" }4 Z( n+ L - memcpy(&buf[6], stbid, 18);
( H( H) t! A8 a - fd = open(E2PROM_DEVICE, O_RDWR);8 U3 Y Q; c9 P& @
- if (fd < 0) {
7 B/ W6 k' k3 w' V1 p - printf("Device %s open error.\n", E2PROM_DEVICE);" B% p* e/ X- N Z m# ?) Y! A0 v" e
- return -1;% E: b: C7 y9 L, `# H
- }
- K. r8 q9 z7 _- T. p$ v* N - arg.sub_addr_count = 2;0 W$ y* G2 K i$ U# A
- arg.data_count = 0x18;
" N$ B7 s% S/ _ - arg.e2prom_cmd_sub_addr = 0x290;
7 U0 o( P G+ \6 G$ |5 s - arg.e2prom_cmd_data = buf;/ `4 d; H7 ~' k( \- b
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" N; W, S, A! Z4 K. _ - if (ret != 0) {3 j p. N& Y, z: Z; u
- printf("Device %s write error.\n", E2PROM_DEVICE);
0 R3 Q C2 S. X9 ~1 h - return -1;
1 G# {. i ^7 s0 @4 g6 D - }
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- return 0;$ }$ V+ V# ]6 g+ Z8 ^4 @
- }
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- int main()) J/ G4 ~3 w8 ?1 W. `$ y/ _
- {
@ f+ C0 |$ d8 T; ^( {! `4 N/ m. ` O - char c;, l' H7 r* W, z& H
- int i, macs[6];
$ k$ j, O1 Q+ R - unsigned char mac[6];+ x) m9 R* l) a$ C4 ^# R x- |8 \; n6 i
- unsigned char stbid[256];
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! x# {7 `1 v3 j% i9 Q; g- if (readparam(mac, stbid) < 0): u& @0 H/ y: {' d; t! _
- return 1;0 X s* m% M: S; i
- 0 B# Z" ]' I7 ^; y% |3 c( U
- printf("Current parameters: \n");
' g$ Q! F- P# c9 d9 J- [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 N& j0 a4 l3 Y2 u
- printf(" STBID: %s\n", stbid);& l6 r, ?. b4 @8 a( w
- , m& _) ]: r. i
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
| u" N2 g5 B8 k8 `% l) n! y - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {* E3 ?$ ^$ r) h& q/ w
- printf("Input MAC error\n");
8 }2 V1 |! r' B* u6 g0 c - return 1;- F9 D2 f" H& ^! m
- }
1 w `# \- J4 T# o - for (i=0; i<6; i++)mac[i] = macs[i];! O2 X! m& Y3 @
- printf("\nPlease input new STBID: ");7 J) c8 h( C3 ?3 u& C) c7 q! W9 s
- scanf("%s", stbid);
/ M) E7 W. e( ^ - if (strlen(stbid) != 18) {
% o/ ~8 i1 Q) r - printf("Invalid stbid\n");
{) a8 ?. Q6 E( C+ P - return 1;
& ], v* u6 k& } - }
$ m0 n9 G. G4 j3 T2 {8 t - printf("\nNew parameters: \n");
& p0 z: `" L7 a5 a) g% v6 n4 c5 L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: q1 x% ?# v9 T - printf(" STBID: %s\n", stbid);
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$ j' Y- b& s Z& F- printf("\nDo you want to change paramemters? (y/N) ");2 k- B, @: w% L& R9 Y. x, ?2 N' a6 X
- for (;;) {" W7 P# L' l3 w0 Z
- c = getchar();
. p4 X4 r/ L3 C( \, L8 q! m - if (c == 'y' || c == 'Y')
' u0 U) j6 ]" L; i- W$ L2 M - break;
9 Z' u" A: t- |3 m# |& J5 ? - if (c == 'n' || c == 'N') {
7 B$ E1 G; }2 L - printf("\nAborted.\n");
w" y# v3 N7 d6 R - return 1;
% Z; F; e/ z. r$ Y9 f+ H - }
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- if (writeparam(mac, stbid) == 0)
0 h! P( n$ I8 s( U - printf("Parameters changed.\n");/ j) f0 Z3 z8 u# r( G9 a
- 5 T" u) Y- S' D* ]
- return 0;
9 {% y4 G9 X, T1 a* ? - }
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