本帖最后由 0522 于 2012-3-21 23:04 编辑
: u( S3 m" s: w# o
! R6 P. }" R& \+ s修改的代码早有了。到今天不会编译。
0 }8 \' ~) h0 j# R需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& J5 W1 O, l2 m& I; G. C0 `
- #include <malloc.h>
& f8 p( `: A4 q& w2 \, e - #include <sys/types.h>
- k3 ^: C2 h4 O- Z# u+ T - #include <sys/stat.h>
( c8 a7 V9 ~. @% ~. i6 d# S - #include <sys/ioctl.h>1 l! e4 A: u# n; E# Y p8 ^
- #include <stdio.h>
1 K% n. `' I, ?9 l" b6 j - #include <string.h>$ \; r1 ~$ L W/ U J! s1 U& W
- ' C r6 s) O( U7 p3 G& ?! p
- typedef struct { d- z( D; C+ [( A; L! z( D$ T
- unsigned int e2prom_cmd_sub_addr;; s! j4 y; z7 r0 F$ p) e3 r; \
- unsigned int sub_addr_count;7 g, r% y) z. e( q5 W0 B4 r
- unsigned char* e2prom_cmd_data;/ O6 {+ _6 H$ h0 O& \
- unsigned int data_count;& g5 H- O- [" U4 [; j& [# y
- } e2prom_s_cmd;& V+ \/ i) ^% U) ~. L* h# L% b
- & w; g9 N: i+ i0 y7 W7 C7 m, |5 ~
- #define E2PROM_CMD_READ 1 k+ z+ H5 M/ Y- O& o
- #define E2PROM_CMD_WRITE 2
, {$ {$ P6 n0 b& B. h - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
" d0 S& o2 w7 h5 `
8 n) W- t7 U) H4 O2 p' `, [- static int readparam(unsigned char *mac, unsigned char *stbid)3 G2 Z% W9 }5 ^, i
- {9 G5 e, J2 J3 @0 Q
- int fd, ret;3 h0 [. v; b: k/ S' v0 l
- e2prom_s_cmd arg;; U- o' ^4 V4 L7 O
- unsigned char buf[0x18];% l: m3 O2 o' g8 d @9 p
5 o) {! c# _* w; J- fd = open(E2PROM_DEVICE, O_RDWR);% P: H4 Z- c! e7 P0 ^/ m1 ?
- if (fd < 0) {
$ f) S* o: T$ M7 L, h" E3 Z - printf("Device %s open error.\n", E2PROM_DEVICE);' k/ n- |/ p. J2 a5 [2 b) k
- return -1;) {. u k- U q/ [) v0 k
- }! S8 M8 N7 |" `% ~2 f4 F$ B
- arg.sub_addr_count = 2;* b( |. M$ \, J6 [
- arg.data_count = 0x18;2 j3 c1 o7 I: G2 `, \
- arg.e2prom_cmd_sub_addr = 0x290;6 {; V8 d% Z# y% A
- arg.e2prom_cmd_data = buf;1 H- s v3 G* z8 X0 z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);# `6 M9 q* q: {
- if (ret != 0) {
$ j4 y# F9 i' x, H( A/ u1 |/ k - printf("Device %s read error.\n", E2PROM_DEVICE);4 ]5 G. t: f4 p: W' y
- return -1;
1 c( V. O8 ?, ?2 \" U& ]& u - }8 c7 i9 C6 G: w: H4 v
- memcpy(mac, buf, 6);7 \ P P/ l8 f4 u; t C4 k1 u( N/ V( k" k
- memcpy(stbid, &buf[6], 18);( A$ _3 h0 F# `9 K M) \) ] A
- stbid[18] = '\0';
3 s9 S( P9 J$ j/ ~0 Z$ o) Z, h - . G$ A9 U" L" v1 u0 ^
- return 0;
1 d; j2 d& N& g4 j z - }
9 u @4 C. u" E' l - ! ^/ }1 [2 k0 ]9 R
- static int writeparam(unsigned char *mac, unsigned char *stbid)
. m- x6 b# d0 T& V8 m5 X9 X) T% V - {
8 @& \, R" v! y1 v# u - int fd, ret;
& V; u# b; E( \! ?8 Q& R - e2prom_s_cmd arg;
* g+ e" Q' D" J - unsigned char buf[0x18];
6 H* l+ ?& d- P3 E4 C: _- w- J - / m0 Q, a. q% Y. K5 z2 {
- memcpy(buf, mac, 6);; t }% V8 f! {3 b/ R
- memcpy(&buf[6], stbid, 18);
7 s$ r; C2 w2 p4 Q! i - fd = open(E2PROM_DEVICE, O_RDWR);
6 }3 @* S) M) x$ W0 h' |8 }! k2 F - if (fd < 0) {0 f0 }9 p2 n& k8 U& R1 _
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ q, i. D7 g% V, m, J. q - return -1;8 [( A, ]4 `' m7 y {/ S; ~7 u) ~+ R
- }
* U% o, e7 D- ]$ ~ - arg.sub_addr_count = 2;
) W# b+ f, T, I$ x# Y - arg.data_count = 0x18;
7 C& P7 w0 c+ d u& K {) _ - arg.e2prom_cmd_sub_addr = 0x290; f! F; j, s7 y6 j. B( M
- arg.e2prom_cmd_data = buf;$ ?2 }, ?+ s. Z) ~- _( V
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);* y8 ^& C2 n# R. O
- if (ret != 0) {# v/ @( Z8 j& O# o' F4 l+ \
- printf("Device %s write error.\n", E2PROM_DEVICE);
4 Q" {% Y: c/ N3 G7 I - return -1;
* Z0 z4 `0 b) g% N6 t5 X" ^) ~ - }
5 }! G; t$ T( u& I( } - # m V2 X! m* X& A4 [! Y# n( C
- return 0;9 g3 A$ c( m1 l4 z3 q
- }
3 }2 R" ?; Y6 |% _+ i - ; r- ?' C7 }9 Q% g. L7 C
- int main()
& _; l. I, I) G- r' j& I - {8 [4 I' W9 A' T
- char c;
" L9 L7 W1 U& S- F7 V# ^ - int i, macs[6];- t, w& c+ W( g: }" [
- unsigned char mac[6];( t. \' z: Z' W* A
- unsigned char stbid[256];$ G+ F7 Y$ ]9 y
8 X" D+ z0 z/ s5 @; g- U0 R- if (readparam(mac, stbid) < 0)7 Q. l5 ~, d; m. e# R
- return 1;
9 X( X' b4 N$ {; ~/ K+ \% W
& b' L( E" \. q4 _' E- printf("Current parameters: \n");- M1 z; h4 b- @$ j3 d* |
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 p0 q; \0 `0 ^- h, y - printf(" STBID: %s\n", stbid);
R# w, X, C: i: k( }0 U: S - % l4 i0 X: i3 V0 ^
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");- }! x0 `4 i; y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {2 J) E- o4 l, b0 q0 _
- printf("Input MAC error\n"); c# o2 j C8 c+ H
- return 1;( _5 y; S7 c' z( {$ {5 b5 _. u
- }2 ]$ }+ i# r# i, ~
- for (i=0; i<6; i++)mac[i] = macs[i];; j% L& J0 [7 j5 j( t/ I
- printf("\nPlease input new STBID: ");
K7 j5 L( r* f9 N* O' o! @# V - scanf("%s", stbid);! y n2 F2 X, f6 M- b
- if (strlen(stbid) != 18) {
* [' L6 b% F1 A. Q1 J" G. U) M7 | - printf("Invalid stbid\n");
5 l2 ~8 {6 c5 G: `) n - return 1;
' [, a; |' B. R" R3 p4 U - }
! k1 u1 e* j5 V% k - printf("\nNew parameters: \n");
- @- x- X; d$ g/ G0 A0 D1 u - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 e/ Q9 E( _- a; D* u3 p
- printf(" STBID: %s\n", stbid);; }: T/ T) r8 ~5 A+ G" k. S7 S4 Q
- 9 y2 }6 i* l! }
- printf("\nDo you want to change paramemters? (y/N) ");
/ T, C, B9 Q! C: i% ] - for (;;) {
" }' _, N! R7 ~* ? A4 Y - c = getchar();
3 l) y7 E! b* m+ | - if (c == 'y' || c == 'Y')6 B. B. [ C/ S# `% r& ?0 Z& x
- break;
6 c! R* Z& g* J! T8 a - if (c == 'n' || c == 'N') {8 z. [. j& t# G# j9 L1 S5 V) ]# e$ C
- printf("\nAborted.\n");
) f, t/ B, H3 R - return 1;
4 d; U0 k q; C( B9 b - }9 ~5 F8 V- U' V- d
- }: i" Q. G9 R4 I& p7 G" \8 ~( T' a
- if (writeparam(mac, stbid) == 0)
7 W( ~0 ~ u' c - printf("Parameters changed.\n");) i( b" x3 X' V$ b* N
- , W0 \5 n: s* H+ a& p
- return 0;
* {* K2 }7 f3 c! o3 Z - }
复制代码 |