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。. Y' a% Y! q7 ^; V% y
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, ^& b y- A; X \ - #include <malloc.h>
3 h3 K. E4 Z" p) M5 ]0 v - #include <sys/types.h>7 O- o6 ?. X- ~. V/ W1 N
- #include <sys/stat.h>/ n3 i M0 J+ e
- #include <sys/ioctl.h>5 s, g0 f% j% z4 b8 P( G
- #include <stdio.h>$ z! Y- d" q ?8 i) e% W2 C
- #include <string.h>. w7 ]: c- p$ `, ^' H
- 0 u% R+ Z, H. ]1 q1 Q/ \
- typedef struct {3 S4 X4 _. r: F- t6 Z
- unsigned int e2prom_cmd_sub_addr;
& E, j8 ?4 K2 V7 R1 l( ]+ W - unsigned int sub_addr_count;
+ t' ~& X" ~ ^$ \* o! W - unsigned char* e2prom_cmd_data;
) A4 W' n5 s6 E3 t - unsigned int data_count;$ D" f- @) e( n5 v' P
- } e2prom_s_cmd;6 q8 |5 Z& B, g3 I
- . V8 h/ R% r' ?: k. d; n
- #define E2PROM_CMD_READ 17 A8 y1 j$ y' M9 ?; n6 y2 z
- #define E2PROM_CMD_WRITE 2
k( B& \# k3 h - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"3 Q; T F; h3 L3 f: `
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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6 x1 E9 V- q: c; `. M$ f2 X - int fd, ret;& K" v4 [ `& [+ ?$ t
- e2prom_s_cmd arg;
; S' V f$ V7 k5 l - unsigned char buf[0x18];
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g7 D7 s( ^! j- e( f! W- fd = open(E2PROM_DEVICE, O_RDWR);
/ V0 b' e" Z! g$ B* O - if (fd < 0) {
5 C/ H8 b! k! V: [: S, h - printf("Device %s open error.\n", E2PROM_DEVICE);
! c( ~5 h/ S) I J& O - return -1;. ^: O. ]1 S. c) A
- }
1 L. t5 J# h( r" L) `: j - arg.sub_addr_count = 2;
. n( g3 z& v2 n' B! d5 T: \( |" z; a. H - arg.data_count = 0x18;1 e% P8 K& L3 _8 t7 K' B& P' j F7 B) r
- arg.e2prom_cmd_sub_addr = 0x290;
( E5 k# K5 |5 E5 M, H3 ~+ u! } - arg.e2prom_cmd_data = buf;3 _4 L, E- Z: r: F
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 t9 F! f/ G% [& V - if (ret != 0) {0 f- H* R" ]9 V, C+ z. J
- printf("Device %s read error.\n", E2PROM_DEVICE);8 e0 A+ }! ~6 z
- return -1;
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! u2 m6 w# R0 X' v9 C6 m' Z - memcpy(mac, buf, 6);* x& G2 _! [- D# k! K/ p1 F% j
- memcpy(stbid, &buf[6], 18);- E4 j/ ?1 [/ g4 }
- stbid[18] = '\0';
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; @3 O4 m' O U9 w- return 0;
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- $ y4 {7 [" E5 E6 b% ~) H: t
- static int writeparam(unsigned char *mac, unsigned char *stbid)3 \0 p% r+ a" p7 ]7 i
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- int fd, ret;. O$ Z6 p$ z' J: j
- e2prom_s_cmd arg;
% X s) Z m: A; j2 |: H3 ] - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
5 Y% d5 {/ L! M# r, U7 `2 F - memcpy(&buf[6], stbid, 18);
7 b0 c% E+ ]# V/ F. [8 ^( G, Z - fd = open(E2PROM_DEVICE, O_RDWR);
; j! A, u. p' e/ s) Y/ L - if (fd < 0) {, K6 q6 j( c9 ~2 u3 w# m, M
- printf("Device %s open error.\n", E2PROM_DEVICE);
( M6 C; [/ D4 ~' n - return -1;0 d4 p7 w4 z+ i5 b) u# _* S$ u: `
- }1 Y9 ]! q6 J% S9 i6 K+ y
- arg.sub_addr_count = 2;
; k! u7 ^; J3 T" n$ N: n0 Y - arg.data_count = 0x18;
* {* {4 k. r: |5 q3 i* n5 Q - arg.e2prom_cmd_sub_addr = 0x290;
5 l0 B2 t6 ]9 Z% y - arg.e2prom_cmd_data = buf;/ u0 G& Q" ~$ X
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);% A4 _& g" S6 J; g7 b! Z" h
- if (ret != 0) {
3 M2 ^* z% P% u$ A6 p - printf("Device %s write error.\n", E2PROM_DEVICE);; u. J6 x& S) H0 B- o0 J! O$ A, v
- return -1;
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# `) L9 b% n6 H- return 0;4 t( K* ]% ~& a3 ]# `
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- int main()9 z: D# s7 B) c. ]0 p
- {
8 p- |3 n: J+ o9 e$ o9 H - char c;
7 N [- L5 Y8 ?+ p6 C" n3 w6 Y" @ - int i, macs[6];$ f0 r; i' O a6 T V
- unsigned char mac[6];0 {; u! {1 a: [) B- y$ I) a
- unsigned char stbid[256];& I! P2 L2 E' k1 h2 q# ?6 q
- c6 B1 g4 e: u0 U
- if (readparam(mac, stbid) < 0)
9 ]* S }3 O7 _ b7 L0 y" w - return 1;" ]: ?- k' G; J R- [# U
2 j1 l: [: g. `" M9 v6 L, S: B- printf("Current parameters: \n");! w, ?/ x9 B/ M Q( T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" p& r$ u6 G8 y* _ - printf(" STBID: %s\n", stbid);
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* Y( U6 m: j1 A( T- i - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( g9 I4 x# U5 l - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
' K" S- y: r7 d/ A - printf("Input MAC error\n");
- Y4 Q/ b/ ~+ J6 @4 v$ @( [ - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];5 c$ Z5 b1 \( G6 h, D( w4 `1 ^
- printf("\nPlease input new STBID: ");# a* {' K% U: F8 J P: a+ {% j0 P/ e* g. e2 n
- scanf("%s", stbid);: H1 O- P8 b) s8 x' a5 p/ K( C& s
- if (strlen(stbid) != 18) {
$ h. {: i% S# Y6 E" H - printf("Invalid stbid\n");
+ b3 o3 D! M& |5 K" Z5 m }# h - return 1;( M5 [% q# J9 A' F5 Z4 @/ a- H
- }
* r& f4 I9 j7 r8 O5 h2 q4 m - printf("\nNew parameters: \n");
; h ], J& w# q" q! [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 o" Z% M9 Y; ^ C
- printf(" STBID: %s\n", stbid);
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. w) H! G9 u- \( J- printf("\nDo you want to change paramemters? (y/N) ");, _2 K5 f9 h- _$ y' T
- for (;;) {
( i& x% C9 f* s8 d$ V) y8 L - c = getchar();5 p4 V3 c0 ]$ B1 o/ f
- if (c == 'y' || c == 'Y')
* i, w# @+ L* j S9 r - break;
* T" e9 }! l1 g) ~3 L) z - if (c == 'n' || c == 'N') {' y) b# E% t" H W) a
- printf("\nAborted.\n");1 v1 Q- Q1 j% j, i& J ]' o$ U
- return 1;
% w) M3 [6 D3 @# k# Q - }
5 H4 v. {. X; }' b* w' k - }
6 w) D/ R4 I) z" g! O6 S - if (writeparam(mac, stbid) == 0)
; ?! h3 y1 D: f - printf("Parameters changed.\n");" }. H5 U0 M7 d9 F" U: W9 l# x
- 8 W& s. e& b( s& g
- return 0;
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