本帖最后由 0522 于 2012-3-21 23:04 编辑 6 B: F( a/ @4 ]) f/ x) |/ i
c+ N+ A8 ?! y& {$ f修改的代码早有了。到今天不会编译。" w6 `: o0 e$ D
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> J* C% {# u: F2 K0 Z9 s
- #include <malloc.h>" S3 D" ~% p7 k9 |* _' @! ^
- #include <sys/types.h>
- {( B6 g3 e" a2 O9 c - #include <sys/stat.h>$ c b/ k; x6 y+ ^
- #include <sys/ioctl.h>% P% C) @2 i% F
- #include <stdio.h>4 T9 {: L4 n+ R9 c8 E' q% c* N5 y% ]
- #include <string.h>
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# S/ y# e+ H) Q- typedef struct {; \# c# M: |, H$ V
- unsigned int e2prom_cmd_sub_addr;* F% n5 _* q) }) ?% c/ w9 {* u9 `
- unsigned int sub_addr_count;- {- z6 m9 W% G
- unsigned char* e2prom_cmd_data;* ~) o4 d- p4 x1 R' e
- unsigned int data_count;9 C9 Q5 B) B& t5 D9 N/ U# R, j
- } e2prom_s_cmd; z9 a5 Y; R8 z) H+ a
& b3 c- k, T7 [# m- #define E2PROM_CMD_READ 1! i( Q8 E5 o+ t# C& Y
- #define E2PROM_CMD_WRITE 2' s+ S$ Z" Y& N3 S7 Y$ {
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" V& A: ^: X; s
- - S% \, @) W; A5 y
- static int readparam(unsigned char *mac, unsigned char *stbid)8 A) W `6 `3 N7 {
- {
( I- L) i( Q' g* X: A" i - int fd, ret;3 {5 P& L! P* ?1 J
- e2prom_s_cmd arg;
2 S) t g# J. A8 g& Y) h! i - unsigned char buf[0x18];) j% p1 g, N) ^' k
) k" T0 K; L$ h- fd = open(E2PROM_DEVICE, O_RDWR);7 g* U6 [4 x+ z- b; \8 g
- if (fd < 0) {$ z1 r- } s2 o4 `) N
- printf("Device %s open error.\n", E2PROM_DEVICE);
, |+ ]3 U6 W0 v, c* ] - return -1;; d& K( u4 {! i* F4 e6 w
- }6 ?+ k# u, ]0 p% r
- arg.sub_addr_count = 2;
8 q [6 w5 a1 W - arg.data_count = 0x18;
0 `* h6 A' }+ S9 h& p - arg.e2prom_cmd_sub_addr = 0x290;2 |% }+ h, h+ ]' s/ P
- arg.e2prom_cmd_data = buf;' C1 X! m# N" V4 Y3 m
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);& V# P \. d9 J; ^# k: Y, s6 U
- if (ret != 0) {
" r, B: o' ?- O0 V; t' J - printf("Device %s read error.\n", E2PROM_DEVICE);* Y; U7 u" ^9 d
- return -1;
1 @' R6 p7 r5 ?9 W9 P, K6 z' q) ^. z - }
% |; {; _1 y& m0 i - memcpy(mac, buf, 6);% s3 r/ _ H& a/ I# r" q/ z$ z
- memcpy(stbid, &buf[6], 18);
) B1 x* i7 X% v* b! P D - stbid[18] = '\0';
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& f: L' V; u6 \7 a# }- return 0;+ y) |( E- ]' ]# `7 f3 H
- }, L0 x0 E9 Z, j; J5 ^
- 0 H7 h$ F8 W4 r
- static int writeparam(unsigned char *mac, unsigned char *stbid)8 t1 L5 e7 A5 a0 l* R$ B9 S2 U
- {, T! D' g: `( ?
- int fd, ret;3 t" m! i& d. d; J) ]
- e2prom_s_cmd arg;
8 _0 B7 i. q) O+ n7 W' f - unsigned char buf[0x18];' M0 ?4 [; y! O7 L, J
6 N8 u% s6 H8 u5 P# |/ E- memcpy(buf, mac, 6);
: t3 M' i& b& q w, N4 s - memcpy(&buf[6], stbid, 18);
$ X8 z! k1 _8 }% j9 D% j3 B - fd = open(E2PROM_DEVICE, O_RDWR);& N1 W! u1 I5 z) ?
- if (fd < 0) {
1 t! M4 l+ B W0 L) Q - printf("Device %s open error.\n", E2PROM_DEVICE);
& W2 c9 G4 D8 n7 L J6 B - return -1;
8 A2 g- o7 C% @1 ^0 i* e! ]6 y- H; k - }
+ \6 h) n0 y! G, w - arg.sub_addr_count = 2;
6 u! H0 U7 C5 E: h' V4 l - arg.data_count = 0x18;$ j' [% f9 b8 ?
- arg.e2prom_cmd_sub_addr = 0x290;6 J) a- U* y" ]! Z/ q& l
- arg.e2prom_cmd_data = buf;
1 x+ `& r" v' M% X8 H- G - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);# h' }) g/ b# b! O) m7 y
- if (ret != 0) {1 d" N7 X' C( I1 Z7 a0 v9 W' Z* H
- printf("Device %s write error.\n", E2PROM_DEVICE);8 a' P9 P0 z# n
- return -1;
2 p4 w& K, f. J( X2 Q# Y5 U2 ~ - }
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- return 0;
9 N) o3 c' g6 b( J - }
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- int main()
8 x: r4 L: \6 `4 { t - {
! |" U1 U. X& U; c9 R2 b3 L - char c;+ L: i" |* I9 h
- int i, macs[6];3 O. m5 w4 B7 r7 F d
- unsigned char mac[6];
( o# T, w$ D- u1 M3 g - unsigned char stbid[256];3 D" X$ b! b* j# V
2 j6 ^# W% _% e5 n1 f9 I9 p& l- if (readparam(mac, stbid) < 0)
9 z) u' ?$ [' a; A8 } - return 1; i4 U9 X) \* X6 r! A9 U( Q) E$ ]! T
- 9 B: D3 j& n/ z9 l3 t/ C: M
- printf("Current parameters: \n");
- H" S4 |" h6 j( H. V - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& s4 A/ N/ n; |- F, ^3 I - printf(" STBID: %s\n", stbid);1 r2 }+ q5 ?) W. s
- % Q* G2 `# U1 _+ F! R: c+ P
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- `3 j; [- e! P4 m# u - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; @3 `. s1 m `. g
- printf("Input MAC error\n");# q( h0 h1 E* j7 t1 M$ U
- return 1;! h; A2 q, x( n) ~6 c8 Q& {
- }5 `$ N* T Y% S9 t% v" u# W6 `
- for (i=0; i<6; i++)mac[i] = macs[i];
$ y5 s6 ~$ s, j) v8 G - printf("\nPlease input new STBID: ");9 E, @1 b- f6 H/ d5 s1 u' I
- scanf("%s", stbid);) d$ V# o% N( P: i6 F+ u
- if (strlen(stbid) != 18) {
/ }. ^+ P V* J+ j' y# s9 f) R/ U - printf("Invalid stbid\n");
5 d# `2 A4 L7 h+ F0 V9 s# c - return 1;
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- printf("\nNew parameters: \n");
' X, R4 y. N5 N2 V0 c: \2 X& N - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
`! @2 h, C) E6 m( Y$ y: S: k4 z) B - printf(" STBID: %s\n", stbid);) f! n* s( s5 V8 _; B
' N! X$ `& g/ l6 `- printf("\nDo you want to change paramemters? (y/N) ");
! m, s) A" m: v, C# c' ^6 g - for (;;) {
8 y" r8 o8 i' O - c = getchar();2 |% L. m; D# R& \- Q
- if (c == 'y' || c == 'Y')
" ]4 n9 ]/ ]1 A8 |- S: A1 t% @ - break;
4 y$ w- L0 u6 Z0 L" [0 k - if (c == 'n' || c == 'N') {+ e0 k. ^6 T. H9 J5 E- J x4 N
- printf("\nAborted.\n");6 L8 G! k1 y( o7 \
- return 1;$ r9 w9 Z: |; a# @/ J
- }
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- if (writeparam(mac, stbid) == 0) ! `( v9 O/ K" e( W$ v+ h; R4 Q1 |
- printf("Parameters changed.\n");
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, P# ]7 t1 Y3 l& b- return 0;* c q- M7 ^- B; {8 q
- }
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