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。2 u( Z8 Q( N2 C
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
$ U( [0 Y+ p/ E" e @8 m - #include <malloc.h>3 i* J: b3 a" A% p5 ~
- #include <sys/types.h>
" C" Y# w: q) s1 ~4 S - #include <sys/stat.h>; s& i: n p0 h& Q
- #include <sys/ioctl.h> x6 z [+ e# n& V# a" K
- #include <stdio.h>
+ y) G: h3 N d2 _5 O* ] - #include <string.h>$ U( c, E9 n3 G* S- b
5 v8 e* W4 ^) V( y1 ~" [- typedef struct {3 v6 R& W, o9 W' Z% | G, z3 c
- unsigned int e2prom_cmd_sub_addr;9 P7 L( K+ L$ t5 v, ^8 N- s
- unsigned int sub_addr_count;0 T4 w. a' P# K+ o
- unsigned char* e2prom_cmd_data;
/ z1 Z8 h$ N) ^, K- Z3 j8 _! F - unsigned int data_count;% k4 g( H- x* h8 D' s
- } e2prom_s_cmd;* ], u. u# c8 D* q
L; ^& q2 B6 e( |7 t0 u5 k4 ~- |+ |- #define E2PROM_CMD_READ 1
2 ^6 {* X1 S! `- H, L# d+ ` - #define E2PROM_CMD_WRITE 29 v7 l+ n. h/ r& Z9 ^# w( K
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
+ u2 @+ A: k7 l: N: S - e2prom_s_cmd arg;. M7 X" q% u2 v* T
- unsigned char buf[0x18];8 m z: \/ j8 T; Q4 H% B1 [
- : ]( y& H9 `# D& `! ]! @- q z
- fd = open(E2PROM_DEVICE, O_RDWR); \" s( w! c* V
- if (fd < 0) {3 T: i3 e F p: s, Z
- printf("Device %s open error.\n", E2PROM_DEVICE);8 B9 A- d5 Q" \. n5 X! Q
- return -1;
( f0 F8 |+ U9 u - }
& c% T: }; m# E/ C1 [$ x6 H" Q - arg.sub_addr_count = 2;
8 o) R; L" ~) A - arg.data_count = 0x18;
$ u9 p0 k( O7 C2 G) x, D8 K - arg.e2prom_cmd_sub_addr = 0x290;
% C4 A' C9 u1 A% r( ` E/ v - arg.e2prom_cmd_data = buf;
2 v+ C3 j0 E3 V$ ~0 H# Z( M* ]8 [+ T - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
+ L. t6 w( w- O0 [) ~5 Q' F; s - if (ret != 0) {% W; g, s: w% x+ F
- printf("Device %s read error.\n", E2PROM_DEVICE);
; T3 w, _( {7 s' ` - return -1;6 f' A; c+ T7 K" d5 c
- }* s0 m" [5 h' l; T% g2 h+ I! k
- memcpy(mac, buf, 6);
+ ]4 Y" J5 q' x' y) l6 h: L1 ] - memcpy(stbid, &buf[6], 18);
' h5 ^& O/ T+ q: R6 t+ ?( B# y! x - stbid[18] = '\0';
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f% ]# K0 g X0 c; S* F# k- return 0;* n8 b% K. }; o. \- x" R! v
- }$ l5 e4 e% V9 H& ?% Q$ X
2 E6 e9 e' G; M( w1 ]% I7 E& j& q- static int writeparam(unsigned char *mac, unsigned char *stbid)
5 ?2 _: A6 P& F G - {
, i9 ]6 j6 Q2 c1 R. `4 k) k. s% m - int fd, ret;/ u U! z( F g& ?1 b1 P
- e2prom_s_cmd arg;% i$ z: H5 x d3 K% m/ o
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);3 I' s$ T# G: ^
- memcpy(&buf[6], stbid, 18);
, q7 V9 n$ S7 J; q - fd = open(E2PROM_DEVICE, O_RDWR);8 x8 ]7 [' Y! ?4 [" @$ R5 }% r
- if (fd < 0) {
; i1 e. } R }- p1 x - printf("Device %s open error.\n", E2PROM_DEVICE);
5 t/ f4 y0 t, @( U( ?/ X( r& N' }0 }; ~ - return -1;; u; ?2 R1 O k: Q
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- arg.sub_addr_count = 2;
; _# u R% H, B; @) ^ - arg.data_count = 0x18;
6 N2 S0 n6 x; ? p* Z/ } - arg.e2prom_cmd_sub_addr = 0x290;
6 w' _& B8 K. t) e - arg.e2prom_cmd_data = buf;
9 x" C, W& U/ i$ R& L - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 w0 S* j5 \/ J. ]( k, j# q
- if (ret != 0) {% i5 f4 S% u+ Y* n6 v' {
- printf("Device %s write error.\n", E2PROM_DEVICE);
- r' u9 p" z2 N1 u$ S - return -1;
/ H3 G: j1 Z; N! P' r/ r! A8 n3 d - }
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7 R! E/ F7 U6 h$ ?# a- return 0;4 l/ n. W1 T# j& d }* L3 |
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8 b* ^0 \( a3 u9 e; E- int main()
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- char c;
) U3 c) E/ o: f8 z - int i, macs[6];
! m5 b3 _; \9 [ - unsigned char mac[6];
8 D) {7 ^5 m2 i% R- P# H - unsigned char stbid[256];' W4 b6 ~3 B. ~% e% Y: {, k
- 6 N4 I$ ]0 t& s3 B0 D" F
- if (readparam(mac, stbid) < 0)# b( ~7 q H1 {, T. R
- return 1;1 K' z3 H0 {: o
) c& S7 \5 V& d& q( o& g/ r- printf("Current parameters: \n");
( @- X$ z5 \: Y! g! X& T0 E1 [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 M k! W, U! }% Z- E. W+ v - printf(" STBID: %s\n", stbid);8 F7 Y# [# M* a" j: z9 `
- : ^: M9 Z: K* a4 G7 q; Y
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
. O& n3 Z& S. a$ r$ j; l; w - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) R+ W# ]$ l; e% \
- printf("Input MAC error\n");
- `+ O( h# k; Q3 Q% u - return 1;
4 p* k( ~7 |0 u ^7 \+ S - }- _4 H, Z6 Y" ?$ w- q k" X
- for (i=0; i<6; i++)mac[i] = macs[i];
6 T6 j' {. M- W, y4 @% e - printf("\nPlease input new STBID: ");
% w# E! h% L( X8 b0 j - scanf("%s", stbid);! x2 | I* U0 o2 z
- if (strlen(stbid) != 18) {
# x- X/ R; f* |* R. M6 s! u - printf("Invalid stbid\n");
6 c+ _2 m0 m3 j' W% \/ R1 h4 \ - return 1;4 c) r! K v: M+ a# [
- }
% j. [9 H4 Y: Z, Q* k - printf("\nNew parameters: \n");
& V! h1 L { `8 a6 \# R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% \/ u+ ]7 Q1 E( k, q$ a/ o( h - printf(" STBID: %s\n", stbid);
% c2 m8 x+ l6 ]( e) Y1 f
# L" ?6 P3 g( X d8 v7 G- printf("\nDo you want to change paramemters? (y/N) ");$ [+ n, @3 F# Q3 }, O0 |
- for (;;) {
1 a- O8 Z' |. R: V& g - c = getchar();& R: h0 G9 ?3 q* [+ {4 m/ b3 G
- if (c == 'y' || c == 'Y') G+ C# {4 n/ ^4 j. s6 Y9 p
- break;
( W# { m# M Y2 i - if (c == 'n' || c == 'N') {( X6 X! O2 R0 Y) z5 D ?, G
- printf("\nAborted.\n");
% n7 U6 B, }) E+ D# Z - return 1;' m2 `3 {; Q2 B. q5 i$ y+ O
- }7 f1 B( ]1 `/ P; {8 l* Y- G h
- }
. N- c9 I& t1 i - if (writeparam(mac, stbid) == 0) ! e( K) G1 D* a- z( l5 z9 p
- printf("Parameters changed.\n");$ p/ x0 q ]$ U3 K
- ! o+ I1 _4 f: n
- return 0;
. Y# L9 |- @. x% S# l1 i9 j - }
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