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。
; M P9 a& h, k5 f% N, u+ g& ]# X需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: W S* t/ K7 t
- #include <malloc.h>
f6 z; f6 x# S- P* G' f - #include <sys/types.h>
5 E4 J) [; x5 y. u8 v U" y - #include <sys/stat.h>( G+ @9 C6 x5 f$ l0 T+ L# P1 I' B$ b
- #include <sys/ioctl.h>
* e E' h* {3 O$ u9 Q7 U/ I - #include <stdio.h>
; k2 T) x+ n7 O( { - #include <string.h>
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: X' h1 g. {1 q0 d1 u) E- typedef struct {; E8 c+ _1 U6 A4 p9 a
- unsigned int e2prom_cmd_sub_addr;9 L3 O B6 X7 n
- unsigned int sub_addr_count;8 h; y6 p4 K( r& P# N
- unsigned char* e2prom_cmd_data;# p/ U. q/ \/ C: ^3 y3 \" X# N
- unsigned int data_count;
$ y$ u3 H/ n* g/ y - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1; ]4 R& p, r" Y5 z5 L
- #define E2PROM_CMD_WRITE 2; j9 R) N/ [% n( C7 C
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)1 c3 A: V% @8 C. O
- {
% c3 p5 b% y) Y4 R7 ~7 F3 ]# b" N - int fd, ret;
' f; \- B" r7 m2 }7 n# d, { - e2prom_s_cmd arg;
P% B# Z" ?! i7 p# s7 ` - unsigned char buf[0x18];
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2 @6 J" y3 G9 ?$ E" ~6 ?- fd = open(E2PROM_DEVICE, O_RDWR);
( H3 _ Y8 N3 J5 j7 o+ ~; R - if (fd < 0) {
5 X5 h; G& T; R9 j8 {* p/ ~& E9 j0 H - printf("Device %s open error.\n", E2PROM_DEVICE);8 @+ o2 E" |0 n7 `0 c3 |
- return -1;* t8 b1 H5 k# m
- }) A# H U( G4 w9 M3 p
- arg.sub_addr_count = 2;
9 ?' p/ c3 ]" q; `' }+ P7 X - arg.data_count = 0x18;
, x6 s8 P7 R0 F( q( c: A9 m - arg.e2prom_cmd_sub_addr = 0x290;0 G/ l$ [% h5 B/ ~5 N- E6 N9 ?
- arg.e2prom_cmd_data = buf;$ i* Q, X$ k; b; s) ]3 s
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ @5 W$ j7 `6 G2 r' Z
- if (ret != 0) {
* t4 r6 |. a9 N. p' S - printf("Device %s read error.\n", E2PROM_DEVICE);- } Q! o. X, o
- return -1;. {' T: |' i6 Y* c9 n
- }' h! J: Y8 x6 \2 D \5 t: t
- memcpy(mac, buf, 6);- n* F9 A4 B! G$ c
- memcpy(stbid, &buf[6], 18);0 K2 N; h I* E1 z9 A! O
- stbid[18] = '\0';
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- return 0;
/ J3 g7 P. r0 [ - }
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9 N% m6 H0 g: `) s3 v- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;. t* r& T9 O/ R% Y$ J5 v" M$ @
- e2prom_s_cmd arg;
% D$ n: g) J7 L3 l - unsigned char buf[0x18];9 ]/ _ Y% X" i0 \
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- memcpy(buf, mac, 6);
% {. G' [8 W" m1 u6 F$ S5 N J- v* D; C - memcpy(&buf[6], stbid, 18);
8 t& Q' n3 m6 r* H( W - fd = open(E2PROM_DEVICE, O_RDWR);
0 w- W9 r. K$ L" R/ M - if (fd < 0) {
" ?0 C+ q6 A: U& x - printf("Device %s open error.\n", E2PROM_DEVICE);) Z8 {8 {' I- Z
- return -1;! `- Y6 l9 Q/ ^, M( Q t9 ~
- }8 W' P& A5 i9 @! _+ v) V
- arg.sub_addr_count = 2;
, ?" X5 D4 o$ B: Z8 h! l2 _* q+ p - arg.data_count = 0x18;
! o9 V9 g3 K# c0 O' Q - arg.e2prom_cmd_sub_addr = 0x290;* B, {/ }, R5 }6 f
- arg.e2prom_cmd_data = buf;% q/ @7 M& h0 ~% w; U8 U; j
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);6 n2 W* k% q, U; x. ]: L, g1 I
- if (ret != 0) {
; L3 q8 Y* `2 D/ Y! Z9 O - printf("Device %s write error.\n", E2PROM_DEVICE);
" a4 x4 @/ X1 L; V5 I! A7 r% I - return -1;% S4 n- f% {7 \7 U; I$ n+ z
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- return 0;- P r- ^5 a( h; f7 L) L
- }
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- int main()
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- char c;
% g6 R! k7 H+ ^ - int i, macs[6];8 f* j+ a+ R$ }
- unsigned char mac[6];# H6 p7 E9 n# s5 s3 ^
- unsigned char stbid[256];) @9 f! r0 P1 z; z0 J6 M9 J
- ; E, n% C! ~$ T; a5 R9 I
- if (readparam(mac, stbid) < 0)8 Z. W7 `% T- q" U" f c% M S
- return 1;
# B7 v+ |6 b" \5 @2 E! s4 X' t
0 ?/ C' J3 V& A4 b; ?: h- printf("Current parameters: \n");
+ a" G/ ~1 I; y$ F. Z( J - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 ~$ c# @8 c- g: U5 U) Y9 p
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");1 k0 |) K6 v" x* X, T3 d" B2 C
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* Y% F5 C! V( K; t( ] - printf("Input MAC error\n");1 W* ^3 H# R: `8 W$ T! b0 w' B n1 {
- return 1;
& n" u! T' O1 s9 S - }
% ]* q( \5 S4 h: ~% U; ] - for (i=0; i<6; i++)mac[i] = macs[i];$ e5 z; {/ I# N$ o$ o4 G% H2 x/ n) L
- printf("\nPlease input new STBID: ");
4 o2 _" `9 i: |1 v1 [6 I% ? - scanf("%s", stbid);
. q9 p; }$ L. t7 p - if (strlen(stbid) != 18) {
. G( }( V2 c% T3 Z( W5 P2 V$ V - printf("Invalid stbid\n");, c0 r+ P, s! j: I; D; J
- return 1;$ f' A1 D2 u* Q) p, f$ G
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- printf("\nNew parameters: \n");5 K( O3 L- H9 |: q/ y) z3 Z% A
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 k4 `. ]! U) h5 r - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");% C( q; D8 d+ M& Y4 x* C* {5 E5 ?- r
- for (;;) {
- M; K$ ]: W2 h3 O - c = getchar();) |$ @4 f6 i! Q& ?
- if (c == 'y' || c == 'Y')' |' S2 p/ M$ t$ [% y
- break;
- u7 _4 I' L& c9 l - if (c == 'n' || c == 'N') {
% [' b1 R/ x4 v& X7 @ - printf("\nAborted.\n");
& h) X% f$ K' Q. S4 [ - return 1;
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- if (writeparam(mac, stbid) == 0) : |/ S% b; g1 b2 C$ c
- printf("Parameters changed.\n");2 l9 O5 G* d4 ^. D# i) p# q
+ R# s9 p3 w1 H- r$ ^ b: S- return 0;
9 V' d: ?9 }* C3 K0 D - }
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