本帖最后由 0522 于 2012-3-21 23:04 编辑
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: ~& p( P2 Q6 L6 M4 l7 \! ^, j修改的代码早有了。到今天不会编译。
) f6 x$ j; h6 p1 T& [需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; ?5 J4 M; q0 w' D
- #include <malloc.h>, \' y0 i5 W2 r1 d7 `0 k
- #include <sys/types.h>8 O; o% i7 }, q$ j# K/ K8 y8 q
- #include <sys/stat.h>
$ J1 h$ U/ }9 q - #include <sys/ioctl.h>
3 h+ ]- P4 V, H5 D% M - #include <stdio.h>
7 h+ A, M3 u" M( i - #include <string.h>
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- typedef struct {
4 O8 ^+ L' J! \5 J( h- m0 H - unsigned int e2prom_cmd_sub_addr;
+ v& s5 W4 z9 d8 ?2 G7 | - unsigned int sub_addr_count;
) \3 f, M5 [! O8 B+ Y' c) {9 y - unsigned char* e2prom_cmd_data;) `9 S+ P( K$ [$ U3 _5 t
- unsigned int data_count;" c" p6 {1 [9 E" J
- } e2prom_s_cmd;
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4 d' ]8 f4 r- F# Z e( q- #define E2PROM_CMD_READ 10 R1 u" h: g8 {% L
- #define E2PROM_CMD_WRITE 2% D$ Y+ A) L- D1 H
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)8 B) a) r. |' \4 Z; |5 y' d; g
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- int fd, ret;4 Y( t5 |8 |! m: b7 k1 B }( M& p
- e2prom_s_cmd arg;
3 c9 a/ S; L) m6 ?8 x- o1 P - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
, n7 c) Q1 U8 { q - if (fd < 0) {
& Y: f! E( I4 S/ S7 a0 R - printf("Device %s open error.\n", E2PROM_DEVICE);
) U7 n' I5 O" [, ^: o# M0 K - return -1;
' c! W4 N9 B, I! t4 A3 @0 j; ^ - }
4 x+ X; ?# `0 _) u% B- n, J" Q5 p, @ - arg.sub_addr_count = 2;: b2 C( K" }3 d; W
- arg.data_count = 0x18;
: G" {, i5 ^3 ? - arg.e2prom_cmd_sub_addr = 0x290;" c8 W* F& S' X* u6 Y I0 @" G
- arg.e2prom_cmd_data = buf;
3 L, y; k0 R2 f% E - ret = ioctl(fd, E2PROM_CMD_READ, &arg);: N+ a0 w( o' R4 V# G2 d, F1 ]/ b
- if (ret != 0) {% R3 p" n" V( m/ P
- printf("Device %s read error.\n", E2PROM_DEVICE);
- ?0 h }0 X8 ^ - return -1;
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- memcpy(mac, buf, 6);$ Z( J) M! _, ]3 \6 z$ N
- memcpy(stbid, &buf[6], 18);5 X2 {, t# o$ u' v: _1 T4 [
- stbid[18] = '\0';
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- return 0;
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- 9 E$ Q! u1 r0 G7 Q6 E1 e
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;& e9 s2 M) H, c5 g- ]( f( @
- e2prom_s_cmd arg;
q( J/ {( @) J( I, } - unsigned char buf[0x18];
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/ d+ l+ D1 g' t- memcpy(buf, mac, 6);
R) Q" T# v- I" i2 o/ u - memcpy(&buf[6], stbid, 18);( l' q% ?7 w* w9 P$ j) {% E, y
- fd = open(E2PROM_DEVICE, O_RDWR);
1 I' I: j+ I% F1 d9 t - if (fd < 0) {
9 F6 w# b. W1 ?% \1 O - printf("Device %s open error.\n", E2PROM_DEVICE);
' p9 g; s+ l6 b - return -1;
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- arg.sub_addr_count = 2;# u* M$ d7 Y( |! v& f
- arg.data_count = 0x18;( M) @8 P% j/ c7 x* a- c
- arg.e2prom_cmd_sub_addr = 0x290;
5 |9 h0 @# E/ j( H - arg.e2prom_cmd_data = buf;7 e, |% d( A3 W, o; a" s+ U6 [, s2 u
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
# E1 p1 ^% b9 U) S" ] - if (ret != 0) {
: U& v) k: _6 C5 C" Z# S - printf("Device %s write error.\n", E2PROM_DEVICE);
O! A4 W( R5 J! q- x. K. H8 F - return -1;
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+ x5 }- }9 L: o- return 0;
0 | \. I& p: o* T" x - }
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: m0 I' P" A3 r/ x& Z8 M' S1 ^- v! b- int main()& h! h2 S! A3 r( b. E, _
- {
; _+ ]% \* e* l1 a ?: H) q - char c;" o! r! b( L0 k( s$ Q
- int i, macs[6];
: ]1 m0 P9 c i" ^4 l1 h( \ - unsigned char mac[6];
0 e4 n$ p+ l$ d* U0 \1 D6 V% x& l - unsigned char stbid[256];" _. b: w' X0 s# a: L; c
% I& y4 k }- l/ Q* b# X* F- if (readparam(mac, stbid) < 0)
2 p2 V6 ]0 k+ ^- v& B! ]" U - return 1;
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9 X6 ~# T- G9 F& M8 X* B- printf("Current parameters: \n");
% q3 Y3 @0 k2 ?; N2 T' r, ?9 ^5 F3 F - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
r3 f3 M7 H/ x `+ T9 H - printf(" STBID: %s\n", stbid);" P& ?' c. M2 }4 Y5 S
-
& D0 n4 z% x& k/ F( y+ z - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ V' x: @% p9 l. [) x
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* g5 ?, e/ \& ^6 I - printf("Input MAC error\n");
( E3 Z6 T2 v9 g7 k$ L" o/ J: @: }# n - return 1;
/ i! A9 L% j! `/ I1 i, b. A8 ^ - }
2 T R6 ], r0 @. Z - for (i=0; i<6; i++)mac[i] = macs[i];
0 s4 L5 Y( N' F* J6 }7 `. j - printf("\nPlease input new STBID: ");
7 }4 l! F2 W7 Y - scanf("%s", stbid);6 s7 V5 `$ z/ y' a
- if (strlen(stbid) != 18) {
2 K/ i, g1 l/ D; f - printf("Invalid stbid\n");5 m3 y6 _# Q" q
- return 1;
+ ^2 d/ @8 |* A' m2 S - }1 m/ B" r; n0 p9 S& @
- printf("\nNew parameters: \n");
+ r! L+ L" J l# C/ Y a( Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% {1 n' v- u2 P6 ^1 T$ a( S* N$ a - printf(" STBID: %s\n", stbid);: v6 U6 N2 V+ r7 b/ c( \4 G
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- printf("\nDo you want to change paramemters? (y/N) ");9 q1 D, Z& u8 G8 Y# O2 A
- for (;;) {
; n: _' E# p! ~( b( M8 j - c = getchar();
W+ {! n1 j! x - if (c == 'y' || c == 'Y')9 t7 \' o4 d6 G9 r. X0 b* z- j5 ?
- break;
7 A$ s: x1 r+ L6 R/ @( C5 P - if (c == 'n' || c == 'N') {
- P) X: I* z" l7 U4 W - printf("\nAborted.\n");2 B6 @/ U( X+ g6 E6 O5 ~# r
- return 1;( d" ~4 n: b$ K$ w; W" d
- }
" l: n& m; |; L% F8 g: F, h - }
/ H i- m' T% I( J& d4 e0 f9 {& a - if (writeparam(mac, stbid) == 0) . k* i/ u1 S* R$ I J6 @3 A! k
- printf("Parameters changed.\n");
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- return 0;/ z8 e* z; K- G b- S+ A
- }
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