本帖最后由 0522 于 2012-3-21 23:04 编辑 % z8 b3 o+ v, e; e8 g, I
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修改的代码早有了。到今天不会编译。
1 l+ m. H6 i: ]$ z( g需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' L1 d" |# [' H. f+ Q3 H. Z; N
- #include <malloc.h>
! v9 s7 P. P$ N. z8 k, C, V& J3 | - #include <sys/types.h>
2 Q9 k8 ^ A: @/ P7 U - #include <sys/stat.h>6 y0 h2 K+ S% { Y# S
- #include <sys/ioctl.h>
a- a5 o. N# r, `1 h - #include <stdio.h>
) ], p5 S; J: L" U P" l - #include <string.h>
* R% q* X y+ x2 z
5 G" I0 e4 J% [3 D- typedef struct {
* m) h' |, S; e3 S" E0 @ - unsigned int e2prom_cmd_sub_addr;
' }$ a7 E4 O& ]: f - unsigned int sub_addr_count;
. ^ j3 W* @* n d - unsigned char* e2prom_cmd_data;2 H9 c: D4 k$ `' O0 E5 {
- unsigned int data_count;( P6 ]$ s& k. p* i
- } e2prom_s_cmd;
- G3 O& w+ Z4 n# E) [' O& j - 5 }* V1 I { |/ y' V
- #define E2PROM_CMD_READ 1( C# }, X; i' m# v, s, c
- #define E2PROM_CMD_WRITE 2
9 R) [. ^ X5 X- e. ~ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
e/ @0 H5 C! N6 n6 ^' y
* Q+ X8 H9 x/ C9 M6 G/ P" k( ^# `- static int readparam(unsigned char *mac, unsigned char *stbid)
' W0 x2 t* X% m9 z r - {
' b3 O9 J( k0 ^' K# p b - int fd, ret;5 t1 A9 f$ M( {# [# H$ d# p( {
- e2prom_s_cmd arg;! u6 | e. u5 p* y% x P5 u0 b G' ]
- unsigned char buf[0x18];/ j/ `3 ~- V/ m8 x7 k2 v
" e+ K+ T' y" f3 k0 m: K- fd = open(E2PROM_DEVICE, O_RDWR);
8 D& ^9 `" D" ?9 G9 Z u - if (fd < 0) {
+ d& E- S; S6 m2 ^7 F) d - printf("Device %s open error.\n", E2PROM_DEVICE);! i; ?: ?4 ~! E& F% t9 W0 `% D1 f, D
- return -1;
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- arg.sub_addr_count = 2;* L6 H( Z2 q3 f2 K0 ` y- E
- arg.data_count = 0x18;" v( l, l4 {6 s8 ^- q8 K: E
- arg.e2prom_cmd_sub_addr = 0x290;5 o- y5 d, C7 i+ |9 I: f4 P/ K
- arg.e2prom_cmd_data = buf;9 v! Z( N2 m" |
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 j% t! P7 p1 U6 C4 K6 W
- if (ret != 0) {
! O$ B2 |# P0 [ - printf("Device %s read error.\n", E2PROM_DEVICE);
8 ^1 ~% F) \& I# z - return -1;
' N; e2 m3 @* W - }
' h$ u% I+ u6 T& \. c7 t( X9 J - memcpy(mac, buf, 6);8 G4 X3 B6 A2 s# [* u, [: m
- memcpy(stbid, &buf[6], 18);/ i9 {# w. x8 U
- stbid[18] = '\0';7 E0 o6 K+ b1 L3 T p' X# v% @
- . }& u2 t# m0 B4 D+ i
- return 0;$ L& G/ e; w- c* }
- }* o8 w7 h7 |; x
- 1 l9 x& }) [% o
- static int writeparam(unsigned char *mac, unsigned char *stbid)# K' _( n; t& o2 i. c
- {9 R4 {8 n3 O q- ]6 q7 u; e* F
- int fd, ret;
$ N: L7 l" z( D4 A! Z. m' x5 O k - e2prom_s_cmd arg;
; o: p* X7 V2 j# Y- | - unsigned char buf[0x18];
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# ^2 F: @2 j/ Y- memcpy(buf, mac, 6);
7 ^2 y( m; x( z; L4 C6 h! P7 o% r - memcpy(&buf[6], stbid, 18);
2 g, T. S, y1 x* p( _5 _ - fd = open(E2PROM_DEVICE, O_RDWR);
# d3 k: r) i6 f3 {$ Y - if (fd < 0) {
7 E* g% w$ k+ H5 M5 m3 O - printf("Device %s open error.\n", E2PROM_DEVICE);
* E+ L+ Q' N# N5 n2 c/ X - return -1;& [$ `6 W1 Y! g& T# r0 [
- }
7 Z B: [3 W$ q9 i; `4 b+ T - arg.sub_addr_count = 2;, }, O( i" J& a1 `) K6 Q
- arg.data_count = 0x18;
+ H( ~0 q8 J5 o# N6 [3 B9 K! C6 J - arg.e2prom_cmd_sub_addr = 0x290;
" Q- U# A# v4 h - arg.e2prom_cmd_data = buf;8 u7 K- ?, L" m) p3 H$ w
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" R) f( O: Z! N2 e; f, @0 e9 g* e - if (ret != 0) {
, V' p7 }4 N' B - printf("Device %s write error.\n", E2PROM_DEVICE);
" ]5 P2 o, _: c- m4 B0 ]2 C - return -1;1 \- G8 i4 S& ]/ d
- }
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0 @6 Q/ Q+ d `+ ?- return 0;
. c* N" k4 h6 l. G - }
8 p" l5 ]) H* m0 Q9 t, B; I
, F% Q+ x$ G3 R7 ]6 ~2 s- int main()
8 u! ~& e0 W- h: ], s - {. x1 Y( D, W" W
- char c;
- t8 X9 u7 o6 k' I2 p - int i, macs[6];6 k, f/ b! Z+ U6 n' A
- unsigned char mac[6];( j) O* m1 k9 I! ~
- unsigned char stbid[256];" T: P0 o N- w$ W6 F+ F2 R h
- ! z: d4 H/ D, w- z& }6 W
- if (readparam(mac, stbid) < 0)% {8 [" A+ y4 D. E. V/ J
- return 1;
7 T1 ~5 ?- G4 o3 b
* K6 {4 ?; I7 X- printf("Current parameters: \n");8 u+ R8 O- Z7 ]1 W/ }0 Y0 f
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* a3 e' x1 V2 `
- printf(" STBID: %s\n", stbid);
: U: W9 S* Z& ~ - & o* d2 S! b: K; _
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 ^1 p) R1 O; v4 f9 o3 } v
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {+ d- {9 ~. R; z- o' i8 U1 {
- printf("Input MAC error\n");
N% F) V& g, Y' F - return 1;
- J2 q. p+ n* E7 }: d7 `- h+ Q - }+ i6 K, |0 r; ` \4 m
- for (i=0; i<6; i++)mac[i] = macs[i];
3 I& ]5 t; f, `, E1 h - printf("\nPlease input new STBID: ");
1 U2 J: K6 R/ a+ ~/ P6 Y9 Y - scanf("%s", stbid);
- z, b V3 }5 h& g1 h - if (strlen(stbid) != 18) {
4 s* g# w+ E2 b7 ^. d - printf("Invalid stbid\n");6 f8 f, W" Q. d
- return 1;4 n! J' P% C5 \* G7 r$ E. U
- }! e* i! j6 Z- }4 W8 J. V
- printf("\nNew parameters: \n");9 P6 b0 X* _3 E' j, g; {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) ]2 ]1 N2 L; s
- printf(" STBID: %s\n", stbid);
: h* [" k, Z2 ^: H3 c - 1 i, b9 p$ a% h0 F% o7 P
- printf("\nDo you want to change paramemters? (y/N) ");* n: z) n# A C1 N2 h0 U7 U' Z2 s
- for (;;) {0 c o" ]- O6 A! v# m
- c = getchar();
' y* G) J, b" {% v - if (c == 'y' || c == 'Y')
& z: B) C; |4 F8 u) L - break;
+ C* G% @9 Q, Q8 k - if (c == 'n' || c == 'N') {6 l$ r! G0 b( }9 A
- printf("\nAborted.\n");' i4 p% Q1 A% u
- return 1;2 E$ P: E% U& J, k: `5 W9 o& a+ ?8 x
- }6 s3 u9 q" h& h" L5 Z
- }' I1 l; Y6 e# i4 L8 M+ `- v
- if (writeparam(mac, stbid) == 0)
' l4 G1 z% ^( I# p0 J - printf("Parameters changed.\n");, C$ O2 m; K6 y% q$ A" g
( ~3 |& t- G6 n& m# z8 j- return 0;
R: w: Z3 i8 }, t4 e - }
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