本帖最后由 0522 于 2012-3-21 23:04 编辑 3 l3 E* Y2 ^" D- B4 e
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修改的代码早有了。到今天不会编译。
3 D) o7 {& ^5 R. u4 b需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 M. X0 Y( q0 M- \/ @
- #include <malloc.h>& H2 f5 _* r r) K
- #include <sys/types.h>
& R4 u: }$ B$ Y. S* [) G - #include <sys/stat.h>9 z; }) m3 s( P) @6 O( w( K
- #include <sys/ioctl.h>
8 a% n+ H; }" s2 }. e1 W - #include <stdio.h>/ t* A7 G. U; E2 |4 V6 c4 q& {& {
- #include <string.h>, a) E; k( g) b6 ]
- 9 ]( A3 \0 ]& F4 m/ p- D7 f
- typedef struct {0 A3 o) D2 _$ Q8 [
- unsigned int e2prom_cmd_sub_addr;
6 H8 s4 R* p' o+ g @' a0 [4 u - unsigned int sub_addr_count;
( B8 E( T0 s8 x - unsigned char* e2prom_cmd_data;
5 |$ x- a4 j8 ^9 S! Y7 ? - unsigned int data_count;5 f1 g3 {$ r; K
- } e2prom_s_cmd;
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( b; C- ?6 z9 y. t- #define E2PROM_CMD_READ 1
7 i# w ^% ?# C0 V4 `; c/ O - #define E2PROM_CMD_WRITE 2- W. R; h' ?# d) [6 W+ p2 W3 K
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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# o9 t8 X9 A) \- static int readparam(unsigned char *mac, unsigned char *stbid); H3 `5 Z. j" K5 K
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- int fd, ret;3 G7 U0 o( c7 j+ R* U9 I
- e2prom_s_cmd arg;
% B9 P) z- u7 g! Q - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);% p" N/ m/ u; p8 s# _
- if (fd < 0) {
, o0 j) p5 a9 e8 g/ q8 X) [ - printf("Device %s open error.\n", E2PROM_DEVICE);" Y3 _ s; z7 ^6 \4 u
- return -1;
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- arg.sub_addr_count = 2;" p3 r" |* F! z, u
- arg.data_count = 0x18;
7 j8 D' y/ T" P - arg.e2prom_cmd_sub_addr = 0x290;' n h7 w! A$ t5 X
- arg.e2prom_cmd_data = buf;7 d5 n7 m; c( X0 N+ m. ?
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ e v/ k* J6 Q) g7 `
- if (ret != 0) {- B6 [9 A B W& R; a& C
- printf("Device %s read error.\n", E2PROM_DEVICE);5 X- H- n, I5 L; _# G
- return -1;
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- memcpy(mac, buf, 6);& e2 }# f3 |1 h% ]
- memcpy(stbid, &buf[6], 18);
; m! X; l* x) F8 W - stbid[18] = '\0';
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- return 0;
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" R) u9 K3 y" d" `5 u. i& S, d# B- static int writeparam(unsigned char *mac, unsigned char *stbid)
+ ?6 G- g9 U" L) x$ S - {
2 I" h$ F; @( s {; O) ]8 [ - int fd, ret;5 i% a ~7 D4 O+ D
- e2prom_s_cmd arg;
- P+ i Q- l$ h2 K! [, q - unsigned char buf[0x18];
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6 K9 D! r6 w4 H: ?" Z( b- memcpy(buf, mac, 6);9 d) o# b& ]- X* e; q
- memcpy(&buf[6], stbid, 18);9 m& U$ N+ D: J" {+ ^* Z( T
- fd = open(E2PROM_DEVICE, O_RDWR);
- ?! Z B! ]4 a1 A0 f - if (fd < 0) {% W8 s4 {: c) V9 c
- printf("Device %s open error.\n", E2PROM_DEVICE);3 ]1 A! q" y5 @8 O1 w
- return -1;
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* d ~; W: ]% } - arg.sub_addr_count = 2;
^2 Q2 g5 e! ^ - arg.data_count = 0x18;- C M1 D, I' r3 V+ O, F# d) c S4 H
- arg.e2prom_cmd_sub_addr = 0x290;( }3 j, t; J# ?$ r
- arg.e2prom_cmd_data = buf;
: U1 N' s$ D5 e5 H# ^; P - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
% C) Z) p @5 J7 c* t - if (ret != 0) {
( p+ a; Y8 v# @0 { - printf("Device %s write error.\n", E2PROM_DEVICE);& d) V5 ^, ^; h
- return -1;
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- $ i5 M' y! y: I& P8 W3 x
- return 0;2 t v4 E; I# ]) g L: l' m. `. y
- }
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# j, T" [7 Q& j) P; r% k' Y- int main()" R) q! c) i% L8 ~! j( P& u
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- char c;) z e0 }& i, Y) {! ^4 j( r
- int i, macs[6];" l! u% P6 n+ R9 h! H a9 W/ \
- unsigned char mac[6];
) p8 A: v2 ]5 [; O6 l7 k - unsigned char stbid[256];
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) g7 b' `( [% {2 b" s4 ]- if (readparam(mac, stbid) < 0)& d1 I" B0 X: n. P9 S- T$ @
- return 1;8 V D8 ~7 ]: e( T& j5 F. ]
- # d* \/ X. L% W2 X% x$ J0 e
- printf("Current parameters: \n");& p6 f( D: T) u1 I& B) U5 X. ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- a' r# X4 ?) w0 E( K' ` - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( h* P4 g0 C$ k" `7 Z9 N
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 Q9 @' i- C3 e0 Z' ~, g - printf("Input MAC error\n");
; M, l7 c& n# D) X5 X, Z7 Z$ g1 L/ Q - return 1;" e+ |7 {4 L5 r+ W W1 d
- }0 R. P5 H4 j* N+ s
- for (i=0; i<6; i++)mac[i] = macs[i];0 f8 s8 e: a$ P4 ^) Q
- printf("\nPlease input new STBID: ");
' N Q# R) ^' g7 N$ g - scanf("%s", stbid);
$ S5 C6 e G) Q; N# n! N4 w/ R - if (strlen(stbid) != 18) {' k1 c- p% `2 x( c! m" b$ r; W* F
- printf("Invalid stbid\n");/ w( h' O& ^, y; N
- return 1;
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2 s! s" T8 V# J( ]9 B) b/ @1 r - printf("\nNew parameters: \n");& [ X, A6 I; ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 l7 @8 `' u0 {" v! _' m$ s - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");! [0 S/ K8 y. j/ O# @6 j
- for (;;) {; y1 K" e! T$ x8 g) G) \
- c = getchar();
( v# t; }* j$ M3 O' m# g/ G8 V - if (c == 'y' || c == 'Y')
~ Q9 ?* V+ E& s& M+ j+ x - break;4 K+ E2 V. }; P. e" O
- if (c == 'n' || c == 'N') {
6 F8 M9 n7 i, W$ [7 X* b4 a0 L& n - printf("\nAborted.\n");* I# S" H7 @3 [
- return 1;
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- }
- G& e6 {7 v0 }+ |: x c; u$ s - if (writeparam(mac, stbid) == 0)
! u' Y4 }3 J4 w$ r' X - printf("Parameters changed.\n"); i* ~4 F. f9 o1 v* x/ J; Y6 J" [
- 8 U4 I& ^$ f! P# ?) R3 o
- return 0;
* S) m2 N$ I3 ~8 m6 B3 W - }
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