本帖最后由 0522 于 2012-3-21 23:04 编辑 . H. ]: W# ?0 c
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修改的代码早有了。到今天不会编译。7 A8 W' w+ Q8 g3 T6 z
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& h/ A, G- |* [, ^! {
- #include <malloc.h>
( Q6 Z V& k5 B. s& k - #include <sys/types.h>
% w0 d- d4 o) b& v+ [ - #include <sys/stat.h>
% P+ O; e4 k1 ]- C - #include <sys/ioctl.h>/ }0 I- T; A' @8 G" s& [
- #include <stdio.h>; o- h, F: n2 u1 q
- #include <string.h>
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7 s; @/ ]. T5 I8 `$ S8 n- typedef struct {
1 y" U2 g: J& u% v6 W j; f - unsigned int e2prom_cmd_sub_addr;
* j, q& \9 J& g: R: L- R3 g7 @ - unsigned int sub_addr_count;6 P* P+ O9 H9 N, M
- unsigned char* e2prom_cmd_data;
5 {& i, c2 ]( S! `1 m - unsigned int data_count;6 |# \! k# a" N0 D7 M& K( G
- } e2prom_s_cmd;1 q- u. @" }. u- k: d
0 O# ?& s8 Y, }2 N9 J- #define E2PROM_CMD_READ 1
. m' T5 C, h- Q. Q2 {0 n! L - #define E2PROM_CMD_WRITE 26 U2 H' s" R- o
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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( C( B4 Y' j, w6 |& \' X: G# N1 ]$ B- static int readparam(unsigned char *mac, unsigned char *stbid)6 A) |; C& k0 j" N0 M2 R
- {
4 {& a2 P+ u1 p! M$ A - int fd, ret;
6 ~/ b: D, t& T% V ~+ b - e2prom_s_cmd arg;
3 S. M$ w; |" |+ O1 \) w9 X - unsigned char buf[0x18];7 ^- \5 \: ]( e$ I0 v* G2 Q- E4 g5 E
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- fd = open(E2PROM_DEVICE, O_RDWR);2 a, ]5 A" z4 J; j
- if (fd < 0) {
- ^( U3 {1 A% f$ q1 t# N9 u/ z - printf("Device %s open error.\n", E2PROM_DEVICE);
) h$ Q" @) @! V i* h1 l. w( s - return -1;: C( g* j$ r$ [+ M: K( X4 T* O& n
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- arg.sub_addr_count = 2;* g& V; u* w- K6 G: y" P1 G
- arg.data_count = 0x18;- P; F$ u# m* f, @$ b- S8 X
- arg.e2prom_cmd_sub_addr = 0x290;+ o5 B6 B9 h/ D; d3 R1 E
- arg.e2prom_cmd_data = buf;. c2 l9 E" v1 l: W7 A1 F
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: T# q) r; f% L! R' B# [5 `+ F9 o - if (ret != 0) {8 ^4 @5 p/ p6 N& p
- printf("Device %s read error.\n", E2PROM_DEVICE);! P8 i1 O5 x" L. e- Z8 ~+ P7 }
- return -1;
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- memcpy(mac, buf, 6);" C5 J9 l! h/ X
- memcpy(stbid, &buf[6], 18);$ j, ?6 [+ w4 u
- stbid[18] = '\0';
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' o3 R) t& O5 M* }% A( S- return 0;7 u$ q5 W! t& N) s- t5 o, c8 t8 i
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- * ]3 S$ V6 S: R' r" b! \5 \8 d
- static int writeparam(unsigned char *mac, unsigned char *stbid) l2 ^# E! ]2 `& w" a8 P) N7 G
- {
9 c) z' F0 J, S/ a4 K3 h2 S$ { - int fd, ret;
* n, g3 o, ~. J$ j1 @: m6 } - e2prom_s_cmd arg;
8 c" U) a' F. r) y- Y - unsigned char buf[0x18];
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& K% C9 V- {5 ]7 P8 x: c( G4 x- memcpy(buf, mac, 6);
! L/ \/ g$ w2 v$ z. X- n+ r- d - memcpy(&buf[6], stbid, 18);3 L5 w' L# ^& w) F, c
- fd = open(E2PROM_DEVICE, O_RDWR);: q4 W4 ?( g( u( M* h q
- if (fd < 0) {$ X9 ~. z; l- Q
- printf("Device %s open error.\n", E2PROM_DEVICE);" J& E% i, D: L
- return -1;- u" [: N0 \5 Z8 @1 s# N
- }
) s' @9 H+ }3 F6 P" B: W8 X( _ - arg.sub_addr_count = 2;$ [8 D8 v7 z2 X, o+ R! {$ S
- arg.data_count = 0x18;/ l% T4 u' V5 E+ f
- arg.e2prom_cmd_sub_addr = 0x290;
+ p2 o& ~$ J3 G, _7 Y - arg.e2prom_cmd_data = buf;
. s$ O; L" C( G# M$ |2 e; H - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);; k9 F: j' |/ N' N6 f2 v; ]0 }- n) x5 N/ n
- if (ret != 0) {' i9 h( [0 n k/ Q: H( i
- printf("Device %s write error.\n", E2PROM_DEVICE);( j, z' m f" h' k# j
- return -1;& {; T; Y: v7 \- a' }& v
- }
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4 f8 `0 |7 d5 s- return 0;
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- int main()$ W Z5 t' O# e# J
- {
- A6 C. ~3 \1 m R9 C% X7 h0 j0 p - char c;
& Q% U a6 k$ Z- j q - int i, macs[6];9 X# X9 { n/ V
- unsigned char mac[6];) J9 A7 V% ~/ Z( E3 ^6 O: j
- unsigned char stbid[256];) v0 j- m: V. y% i, G7 l7 j$ G
4 V' |+ A; @9 R; Z- |# W' n6 _8 d( K- if (readparam(mac, stbid) < 0)' x1 D) G4 L" U4 E7 L: u8 \- a
- return 1;
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4 M$ V5 e+ O( h( X! W4 N0 U- printf("Current parameters: \n");; e! \3 _( H) g1 q' [8 x6 p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! H: j* e8 q9 m% k$ T* B7 J" `
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 Z; t+ s; P# L8 ]
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. N' V# q/ ]8 { k - printf("Input MAC error\n");1 A2 s& ]9 o4 q7 Z
- return 1;: e5 m |# G, u% U
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- for (i=0; i<6; i++)mac[i] = macs[i];
$ D' V6 j# {3 B3 K4 ~! _ - printf("\nPlease input new STBID: ");
2 W5 y8 j1 B: S; L7 o4 C5 ` - scanf("%s", stbid);
5 a8 k. i: {* w1 X q6 K - if (strlen(stbid) != 18) {# R# K$ a9 J/ E% t! ^/ l5 q5 `
- printf("Invalid stbid\n");
# J8 }( T4 L4 n' o' x - return 1;8 k% l. Z, M& |7 {5 n% S' R- ]9 \) b
- }
1 e; A6 M8 B: m8 }) Y) f8 Q - printf("\nNew parameters: \n");
; ~0 \0 Q* p3 Q7 X( Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" N2 E& r: V, w: v: u - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");! c5 T2 F: v. \- n- i
- for (;;) {
& i3 H- b( h+ v7 }, [, | - c = getchar();! i9 f0 I& O5 l
- if (c == 'y' || c == 'Y')2 y+ I; t) q! y. \
- break;
: f5 X- b$ A; g: u# A) W - if (c == 'n' || c == 'N') {
! O( e d. U! I1 `2 U/ Z2 A - printf("\nAborted.\n");
$ [& z3 s$ t8 z0 |9 `3 ] - return 1;
% G& C+ P8 D- b! z/ S - }
% C% H* t1 z% d! G - }
+ ~1 c- h: ^( X% n+ | - if (writeparam(mac, stbid) == 0) - [5 y5 L3 {0 t- z5 {- e$ l; s
- printf("Parameters changed.\n");
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& L5 z$ g }: u7 ?9 m" m4 l- return 0;& S7 `, W. d# g8 H, m& x: J
- }
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