本帖最后由 0522 于 2012-3-21 23:04 编辑
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* X6 r9 A3 D8 W q2 i7 M修改的代码早有了。到今天不会编译。; Z/ P# l& ~6 q$ t6 S& ~, O! o/ ^
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> A/ |: f# Y) R! R
- #include <malloc.h>5 A9 E1 M! R# ^ }3 f" R8 p* U
- #include <sys/types.h>, n, {+ h4 k$ P+ Y
- #include <sys/stat.h>( p- {: q1 K; c" X$ E) N$ l/ t
- #include <sys/ioctl.h>4 C3 Q% ~% o6 M! o' n+ n+ K
- #include <stdio.h>7 z' E6 s! e( e3 F6 [; V
- #include <string.h>8 z5 K R! j I$ z8 G$ O. R+ J( b
- 2 U7 [' Q$ p5 c& a: k" Q& E
- typedef struct {
7 t6 }5 ^3 N8 { - unsigned int e2prom_cmd_sub_addr;
, ?% C% p. W2 i# Y - unsigned int sub_addr_count;
% }; `0 H+ u8 Y( `% ~! J - unsigned char* e2prom_cmd_data;3 S0 f4 Z U, R4 K; m" l$ q2 P$ J
- unsigned int data_count;
! U; U9 \. G0 x# ^ - } e2prom_s_cmd;7 a: o1 O) j/ u+ O
/ G2 Y$ N* _) X+ m0 C- #define E2PROM_CMD_READ 1
7 F( E' q% X: k4 J' \& J - #define E2PROM_CMD_WRITE 2
% z: f Y/ Z+ h1 [& d: G1 [, f, C - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" y- u! C4 B& X
! y/ O) N0 l5 M9 b) q* e. o" c- static int readparam(unsigned char *mac, unsigned char *stbid)$ x1 a! n# h* a6 {7 d& e
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- int fd, ret;8 ^4 i4 U( M# R$ }
- e2prom_s_cmd arg;
! U, t5 I+ @8 W! I' q3 u. P1 ^ - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
/ u5 N+ ^6 [0 f* F: D, ~5 R/ V - if (fd < 0) {! Y& U5 ^+ B$ H: Q! K
- printf("Device %s open error.\n", E2PROM_DEVICE);
( N ?! B( n$ B0 { - return -1;& j, D& W% _* Y# r8 }5 u# n
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- arg.sub_addr_count = 2;
0 C9 M2 q5 p/ z( S6 `8 `9 { - arg.data_count = 0x18;
8 O, r" s b2 G! Z2 G2 f5 O& d - arg.e2prom_cmd_sub_addr = 0x290;
* O* N3 C* u6 Q1 Z! K - arg.e2prom_cmd_data = buf;
, B8 T0 [' r: a/ x - ret = ioctl(fd, E2PROM_CMD_READ, &arg);# ~, \$ ]# V7 u9 d3 l
- if (ret != 0) {* [* s# Z# A5 T
- printf("Device %s read error.\n", E2PROM_DEVICE);
0 I+ g. B! x, [, R# m2 } - return -1;' ]6 {( e" ]) Z% m# R
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- memcpy(mac, buf, 6);8 V; Y' q. l. o, E }2 @
- memcpy(stbid, &buf[6], 18);
5 I" V2 `; }- N/ X - stbid[18] = '\0';
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- return 0;
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M! E0 T( x v' E( f/ b$ Z4 I& q- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;1 _0 U, _0 ^9 C: K# Y
- e2prom_s_cmd arg;
; ?$ y6 B% m( Q$ E. D2 ^ - unsigned char buf[0x18];$ L1 @% j, R0 z! ~$ z
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- memcpy(buf, mac, 6);0 P7 M- @, J X7 r
- memcpy(&buf[6], stbid, 18);7 z5 w7 }" d4 o( m/ ~- x& ?, m( c
- fd = open(E2PROM_DEVICE, O_RDWR);6 t7 ~* n$ h9 u
- if (fd < 0) {- _' {: z4 u, Z. L
- printf("Device %s open error.\n", E2PROM_DEVICE);
& K" C( @$ C2 \0 B( q; ^ - return -1;8 i/ E- o7 ?9 p0 C! z
- }4 f5 S% F8 C' A4 `6 y# E# ?, {
- arg.sub_addr_count = 2;
4 W1 t* e/ _$ G- O$ B1 K6 E( ^ - arg.data_count = 0x18;6 ~! c. [3 @# x% X, d. S
- arg.e2prom_cmd_sub_addr = 0x290;0 r7 q7 j6 o- N
- arg.e2prom_cmd_data = buf;! n7 ~& T' M# Y3 K- m
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 ~# B8 V0 w4 c' C, F6 K3 C. W - if (ret != 0) {) H* k2 |1 r) _
- printf("Device %s write error.\n", E2PROM_DEVICE);5 d$ {1 x" z4 `$ S# l) ?8 ]% L& Q# p
- return -1;
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$ j6 T n( v1 l7 |& O: C: ^- return 0;
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+ U6 T+ s$ Z9 h- S5 y! w$ P2 v; F) ]- int main()) W, ~) {) i8 g9 o( m+ U
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- char c;* x/ Q% H+ N; c3 i! {3 L( ~( }7 o
- int i, macs[6];
& \4 t% |" N ~) z+ I - unsigned char mac[6];
$ L, U" S' \4 X4 Q8 e - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
, s5 |* r, w5 h - return 1;
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9 v' N0 u/ ]+ @9 u9 x" A4 e' V- printf("Current parameters: \n");
: J( @+ b' L. ], q5 Q w. ]+ R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; f1 p4 ] T) @5 |, W6 L
- printf(" STBID: %s\n", stbid);8 ~0 d" F$ {( }6 t- \! Z
-
! t& |6 m7 Y+ X5 u" g. {: G - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; [7 y: j/ f& ?+ P1 w) E
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {& \* m- b7 y( m2 \! I$ w
- printf("Input MAC error\n");
+ x, \" e0 j2 x' H - return 1;
8 q: u2 V' E9 l* G! \% H3 C" r - }
' e% _6 D2 v8 Y - for (i=0; i<6; i++)mac[i] = macs[i];
/ [1 u4 X3 ?. f; L) N9 H: a+ Z - printf("\nPlease input new STBID: ");' A. C- V) o. s, }6 C/ |" m4 e
- scanf("%s", stbid);
# L, @" X* j1 C. I! v - if (strlen(stbid) != 18) {
6 p6 ~& z' ^% l% s4 ~ - printf("Invalid stbid\n");. h7 X( a1 U6 C! ?" a$ o' b
- return 1;( t; R6 y& ^' W9 H6 M/ g1 l9 m
- }# |% E, O! a: s1 p; D
- printf("\nNew parameters: \n");4 P6 K1 G& S" [% r4 m9 ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 n& N' P4 L* U3 I, N3 Q
- printf(" STBID: %s\n", stbid);
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! x; [6 e/ T' C8 o: G( x8 n- printf("\nDo you want to change paramemters? (y/N) ");0 _* `. s0 J% b) E1 m) B
- for (;;) {. D! ~9 D) V \1 @
- c = getchar();" q" }9 L) g1 G6 ]. G3 F
- if (c == 'y' || c == 'Y')
3 u9 o/ M3 M/ `* m: {9 `: p - break;
& j5 J% C9 D( B; E w - if (c == 'n' || c == 'N') {& p$ S d" r; R" F) \4 l
- printf("\nAborted.\n");7 ?6 @9 W! c7 c1 i5 q! i
- return 1;
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- if (writeparam(mac, stbid) == 0) * J; c4 U# N' V6 a3 `$ d
- printf("Parameters changed.\n");
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- return 0;; ?8 I, R; Q8 C( X4 ]
- }
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