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。
8 A8 ^; p4 E# J/ N需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) S; s6 N2 x# p N! Z) O, G
- #include <malloc.h>
0 W& l" a% e. ^- P - #include <sys/types.h>
: e; g7 r6 F) D* e5 J - #include <sys/stat.h>
' z+ g% H, k( f, D3 Z- ?+ j - #include <sys/ioctl.h>
. v" U7 z8 H# a6 z - #include <stdio.h>
0 P" [2 m7 `* ^4 ?' P - #include <string.h>/ {6 B9 t% m- p# R$ Y
5 E" d# O' Q, ~" X& x- typedef struct {% S- m* M+ L# n( m
- unsigned int e2prom_cmd_sub_addr;+ v4 `% O& q0 j6 X+ j
- unsigned int sub_addr_count;; f8 ]1 Y: @+ U/ ^5 L7 i" [
- unsigned char* e2prom_cmd_data;
* s8 ^8 l# A7 u4 R - unsigned int data_count;
D- J6 {; Y, ]* C - } e2prom_s_cmd;& C3 X; r: `: N# N! g
6 f# ], s( X3 p+ X, L2 A1 I- #define E2PROM_CMD_READ 1
2 U+ V' X. H* ~) {: @ - #define E2PROM_CMD_WRITE 2
) E+ z ^: P) z$ v3 @, P - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! ?# `1 ?9 U% B" r# W" k
: f Y8 S1 p1 H e- static int readparam(unsigned char *mac, unsigned char *stbid): E( r. {0 b7 n8 V# i/ J7 D+ b: B
- {1 r, M' v2 x5 m# M' H
- int fd, ret;/ I R( ?% _" H2 ~( v5 X2 ^
- e2prom_s_cmd arg;5 B7 i! e; D' D; ?& D1 W
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
2 z) Y% |5 u- o9 G& ~ - if (fd < 0) {
k, S: |) Z$ ]# M - printf("Device %s open error.\n", E2PROM_DEVICE);! Z( Q. P+ @/ V$ t
- return -1;' a6 X& y; P" F4 Q
- }
# ^0 Q5 Y! C9 n2 o4 A( m - arg.sub_addr_count = 2; e% k: W) B8 N* M$ L4 Y
- arg.data_count = 0x18;, [. N. P: N( b# D6 E
- arg.e2prom_cmd_sub_addr = 0x290;5 B2 S2 v+ r' e7 _) h9 r, E' \
- arg.e2prom_cmd_data = buf;
9 }5 K% Q/ g9 _% m6 v: f! A9 g - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ K: c5 F# a0 M0 u - if (ret != 0) {
# f7 s+ ]' E/ u) k R - printf("Device %s read error.\n", E2PROM_DEVICE);8 h3 x* G( Y, v2 ]) t- ]) C
- return -1;
2 A4 o7 B8 a# u" ` - }
0 c' I4 p: F2 r1 e) c# h- N/ N3 {* l - memcpy(mac, buf, 6);) f& F! a2 W8 q5 H( C
- memcpy(stbid, &buf[6], 18);
1 g9 j! V0 v* j- w9 r0 [ X - stbid[18] = '\0';
- ]6 U8 D8 A; N1 @& N
: o" ]* D* G' p, z' Z9 s. v- return 0;
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- : I9 e4 \" a/ f3 ~' Q- T% X
- static int writeparam(unsigned char *mac, unsigned char *stbid)
' O; w# e7 v3 a0 a; G - {$ v$ i, J/ @+ a8 T7 F: L7 z: \$ ?1 u+ f
- int fd, ret;
" E4 Q! t' r1 D, W F. r/ B5 k - e2prom_s_cmd arg;6 W$ _" M: G* f% W' W
- unsigned char buf[0x18];" r+ ` v8 |6 O s' C' v$ }
- n; F* |- ?3 y
- memcpy(buf, mac, 6);
: t( G4 I# t1 n+ h, h/ A) c2 O - memcpy(&buf[6], stbid, 18);( ~* d, H6 O9 I [% N" ^& E' u6 U7 j9 `
- fd = open(E2PROM_DEVICE, O_RDWR);+ _" X$ |2 k9 o4 o
- if (fd < 0) {8 G" [1 \, o* l3 P6 s; |* ^
- printf("Device %s open error.\n", E2PROM_DEVICE);
) l: h8 H6 [9 g - return -1;( V8 ]+ ]% C& B5 j9 J3 h( [" o
- }& U# @/ h* F9 N6 [) m
- arg.sub_addr_count = 2;
+ h" o0 z0 ]3 n1 J+ k! b# `3 m- k - arg.data_count = 0x18;9 D9 M" y: `) B9 [
- arg.e2prom_cmd_sub_addr = 0x290;
8 x+ _0 e) \4 `1 [4 i U+ k& u, u. u - arg.e2prom_cmd_data = buf;
1 S, x' T& \4 j* \, ` - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 K) Q2 x7 c0 J; P, x - if (ret != 0) {2 v% I" g9 _) ]4 p% O9 h1 d# t" V
- printf("Device %s write error.\n", E2PROM_DEVICE);& w5 ^' f- ]. \: \9 N
- return -1;/ X8 H4 M/ P# `1 _' H
- }7 [9 I2 {) M& v0 f2 l' M
. J$ u2 G+ T' F8 z3 q7 |- return 0;
# ^ }5 ^* C2 T# L5 n6 ~& e - }8 b# z0 {$ J& C# Q/ q# y
# Z k0 q: }4 ?' Z6 t, J, Z7 Q- int main()' x1 E2 y3 j( B9 e1 E i* F
- {: B; H( e+ n# W4 O6 p
- char c;
4 I! _6 b' Q. G! v3 g+ T9 B: e+ p - int i, macs[6];
$ N- ]- I9 w, h1 X6 v% { - unsigned char mac[6];
2 c# B$ {$ |: i/ Z! B. F - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)/ [( o0 k" ~, |0 ^' l) X
- return 1;- ~' c2 _9 m( J8 k* w, R: q6 m
7 a. z7 E5 [, v1 e2 N( R5 ]2 O7 l- printf("Current parameters: \n");/ b k" s! ?8 G) t P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* s& D/ `6 D6 g8 `) r: Q2 I" [
- printf(" STBID: %s\n", stbid);
- `% e0 v* M% {1 J$ } - 5 m$ t( [' ~% B/ \$ [
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ X! t( X1 q! t& J8 v6 M
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; C) r+ L$ [' R8 |' b" d
- printf("Input MAC error\n");
% X( Y% E7 V1 |# R# P - return 1;
3 }1 z8 |7 H) ], w: t. y1 C6 G9 { - }
1 s0 j8 n& J: r( }: u4 D+ M - for (i=0; i<6; i++)mac[i] = macs[i];
4 A7 Z2 Z1 I6 _( g( F - printf("\nPlease input new STBID: ");) X1 U) Q6 Z1 A. k# [) u
- scanf("%s", stbid);
5 n! J$ i; A2 F - if (strlen(stbid) != 18) {/ \9 _* F- z( k3 e7 o0 I0 [
- printf("Invalid stbid\n");
8 z" c' D% e# i X4 F - return 1;8 [: j c/ }) A; J; V2 Q1 c
- }; u( {) i; b* S! x& _8 ^9 a9 u
- printf("\nNew parameters: \n");+ F2 {+ T! }" M3 y" l N7 D% l
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 y+ W8 Z3 X6 M& x- }* Z0 V - printf(" STBID: %s\n", stbid);
; {% h! i) X; l8 M0 Z- P% a8 z - 5 {' P. l4 r9 } b2 [8 |5 J
- printf("\nDo you want to change paramemters? (y/N) ");2 O& s' b! `! T% A1 s7 O' Y0 w+ f
- for (;;) {
d- ?* _+ d2 s: w - c = getchar();
# Y3 Y5 O& }) Z; z7 j+ V. G. V* P, q - if (c == 'y' || c == 'Y')4 y3 |9 |, y* x" U$ @- C; m3 b
- break;
+ T/ T5 Y& Q; G! L" L2 ?3 O: p - if (c == 'n' || c == 'N') {3 f( P* l2 f& e( I
- printf("\nAborted.\n");- u2 F; j- F/ M5 I! ]4 ^
- return 1;
( M: v% e0 C* s0 | m4 X - }
+ V9 m# K0 k1 O/ h - }
2 b6 m$ C- h+ H8 \, X# h. L5 u6 d8 K# M - if (writeparam(mac, stbid) == 0) 0 q+ `, O( ~' H/ `& ~
- printf("Parameters changed.\n");
8 h! F- L# J4 ]) @ - . L* P9 O+ O: s# u" }
- return 0;
/ [0 A" p9 |) ^0 b( o - }
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