本帖最后由 0522 于 2012-3-21 23:04 编辑
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/ @& G. Y: i6 V m修改的代码早有了。到今天不会编译。$ Z- T* V) }3 c5 r& W& q* K( l
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& T- [* ~* p0 W: s8 u' l/ M! b7 E
- #include <malloc.h>
1 t" B4 X8 M! C - #include <sys/types.h>. E# G; _. W/ C* y4 E
- #include <sys/stat.h>; v! l) y/ n) L( g8 m) X) f' O
- #include <sys/ioctl.h>
( @4 @1 r$ X! {0 y8 b/ K% Q2 ~ ~6 i - #include <stdio.h>
c2 k# B4 W5 [2 g/ e - #include <string.h>* M! h% n7 m. ]: G
- $ Y! n+ T1 N& O0 l
- typedef struct {
4 u/ ?/ k9 S7 s2 Q' O/ R# K9 I' ^ - unsigned int e2prom_cmd_sub_addr;
' K d) X" P/ o. ^8 ^ - unsigned int sub_addr_count;) p9 ^9 A' w/ ]/ f, g% j T
- unsigned char* e2prom_cmd_data;) ]$ u9 S1 i# h' I/ Q* {' _! Q* s
- unsigned int data_count;
( A! I2 j2 G- f; X - } e2prom_s_cmd;/ ?* b2 N {. c2 y' o
- $ w/ s2 T2 T, K: k9 ^
- #define E2PROM_CMD_READ 1: R( ?) b1 @! Q4 B9 o5 B: _3 `
- #define E2PROM_CMD_WRITE 2
' p' k2 N: n1 W - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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; U) R! E" Z' I! k5 Q- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
7 b1 Q5 d0 l+ A0 y1 K3 [/ ^ - e2prom_s_cmd arg;
5 r# P1 b. D! l8 I3 C - unsigned char buf[0x18];
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2 N" K7 p; |0 N- Q0 s- fd = open(E2PROM_DEVICE, O_RDWR);3 K0 i O. H9 Z) H2 n
- if (fd < 0) {' T4 w y" B% g7 A
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 L, m; L# G- W- W b0 ~2 F - return -1;
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- arg.sub_addr_count = 2;" y5 d/ H% ^$ C3 ]
- arg.data_count = 0x18;
0 |; a$ \0 U" C6 G9 n' L* q8 B8 S' B6 t9 D - arg.e2prom_cmd_sub_addr = 0x290;
, O7 |. X7 U2 h# K- R5 e3 i1 e - arg.e2prom_cmd_data = buf; \& Q+ f4 B7 j# j0 g
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);) r# u% e" Z" T0 _
- if (ret != 0) {
/ o8 @* }2 ^0 Z$ x* j% V# Q" l - printf("Device %s read error.\n", E2PROM_DEVICE);
2 V% A; ^4 v. N" m! ?( X _ - return -1;# f; |7 n U1 _8 @9 _% ~
- }
, j) R6 v( ?, c2 X5 `" `+ {* k0 A - memcpy(mac, buf, 6);9 `1 S) A" N$ n1 D8 S( m" t8 G
- memcpy(stbid, &buf[6], 18);1 N- U5 W% j w3 g
- stbid[18] = '\0';
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) k. w9 A; d1 s- return 0;
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5 r8 f1 a- Q7 X4 S1 {. ~. i7 I- static int writeparam(unsigned char *mac, unsigned char *stbid). i- |* G' b7 B _1 A- |" E
- {% E5 P( I `4 t7 x! `2 V( c
- int fd, ret;
/ X: W" G! U: E( a& Y) r' R0 R - e2prom_s_cmd arg;
" D: u0 p( [# m4 S+ i+ u - unsigned char buf[0x18];" p! \+ P3 ?, {; l4 S+ W) m2 l5 ^
5 l2 j# \: j9 |3 N+ N9 p6 O- memcpy(buf, mac, 6);' H! z# P) T; d$ t5 D; ^* r1 j
- memcpy(&buf[6], stbid, 18);
* G% M0 P- E5 E4 o# _; |* x6 | - fd = open(E2PROM_DEVICE, O_RDWR);
Z' P) R4 K1 x- s& @6 z - if (fd < 0) {
8 _2 k$ z& [1 _% X+ L7 ]' `# @ - printf("Device %s open error.\n", E2PROM_DEVICE);: ?/ P( ?0 e1 I2 `6 F: |
- return -1;$ f9 P. \. D8 n+ e7 X% o
- }
* F3 i& `* V/ ~1 G8 H2 I - arg.sub_addr_count = 2;. n+ G% A9 j7 K1 @5 E# H. D
- arg.data_count = 0x18;
/ s# [! S5 f6 Q% x/ X. O, r - arg.e2prom_cmd_sub_addr = 0x290;' e% V) C$ ?$ I
- arg.e2prom_cmd_data = buf;
) l: Y- \- t% S - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
- T: S) B9 X) J8 `( u - if (ret != 0) {
$ g( O; E+ t! n( H. N - printf("Device %s write error.\n", E2PROM_DEVICE);
" ~7 {2 ] V5 _' `) I6 R: [ - return -1;
! _. d+ T4 l: d6 H6 l9 h - }
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( T2 L2 ^' }, X" n7 A5 ]- return 0;) R( c& i: \- \& q, o
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- int main()
! M. v, c$ { ~( n. E - {+ r7 T$ R X% d9 o( ?5 Z# ?! e. p4 |
- char c;* \- m7 W. s% R! e$ e
- int i, macs[6];
. p. G8 U! d+ F, Q" n+ k - unsigned char mac[6];
: t% C9 l2 \8 K* r9 Q5 f - unsigned char stbid[256];5 t, @$ X, k" [& Q6 Q) J6 {: I
. p3 L8 o/ D H- if (readparam(mac, stbid) < 0)
! Y- `$ l: I" ^. p& \- L - return 1;
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- printf("Current parameters: \n");1 s/ K! n6 e& S! P# a7 c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 E' D" Y) ]! Z/ x3 i( B
- printf(" STBID: %s\n", stbid);4 I3 S( C$ Q/ X: ]) ]( J+ H' @
- 0 }, D3 o t: Z) `
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ T/ h" s' j' z2 Z2 u) M
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {+ N0 J0 U( B* U1 R& g! {# v" m. |
- printf("Input MAC error\n");# P$ C4 m& n, b' Z! g
- return 1;# c% ~( E/ y f, ]* h" C- |
- }
' W' G+ X7 N5 M. |; B0 Z* E% L - for (i=0; i<6; i++)mac[i] = macs[i];2 M8 V7 D7 F4 t. e+ R# T
- printf("\nPlease input new STBID: ");) f4 \8 ]/ O" S
- scanf("%s", stbid);
' I) K) ~4 K0 [7 @+ D9 N: j/ ] - if (strlen(stbid) != 18) {
/ w; n' B+ C- e9 u3 h% J- ^ - printf("Invalid stbid\n");
$ x# E% {- u6 ^ - return 1;
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- printf("\nNew parameters: \n");
9 x7 y+ b: D! u y& G- t! i - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# R8 ~5 P4 S/ j - printf(" STBID: %s\n", stbid);! g4 g7 U& u; R" M' b5 U0 Q8 X
- M' g, W* B' q" j# J) S- printf("\nDo you want to change paramemters? (y/N) ");
+ _2 x( s7 I1 Y; b0 g6 U! E - for (;;) {
- d* [, a! B! \! z* N: \ - c = getchar();$ l) O1 M* U3 O$ N8 k
- if (c == 'y' || c == 'Y')
; Q3 `, x: g, ?% G7 V9 o" W - break;1 D/ P& K/ [9 f5 I
- if (c == 'n' || c == 'N') {
3 {: c5 R4 P. C$ F - printf("\nAborted.\n");
$ [& @) y3 L+ ^7 y) j - return 1;
1 i6 y$ J9 N8 l8 M9 f+ Y1 d - }
" k! N9 w0 D% r# O- n1 [. J8 h - }
/ [! o$ Y. n+ j2 O2 j - if (writeparam(mac, stbid) == 0)
. C2 j: a& A* a( T# y0 P* a3 z - printf("Parameters changed.\n");( L3 V& s7 t! J8 E
- 1 F- v. X, z9 t7 S
- return 0;
' t( m( ^1 e% G6 s* b+ v- T - }
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