本帖最后由 0522 于 2012-3-21 23:04 编辑 7 t. k% [7 q) w* }6 u# G1 E! X7 w
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修改的代码早有了。到今天不会编译。
6 x; j' o& I4 ~7 ?8 F需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% _, z+ x, }6 M - #include <malloc.h>; }" q5 ^, O5 O' [- }4 p
- #include <sys/types.h>+ H& d$ q6 @: Y/ u0 N# E* w
- #include <sys/stat.h>
# O% r/ y/ {$ y# z6 r0 V) s/ | - #include <sys/ioctl.h>( Q& M8 z' s8 `
- #include <stdio.h>
3 ^: O4 o+ P# r! L$ Y$ E# a/ L - #include <string.h>
7 }+ i- U* b- E/ }" r- f% F- R! {$ B - 2 D2 T5 Q% `! |% }/ a& l* |8 } {
- typedef struct {
& W' d& z$ T. h- Y9 q; `: m: ?! n; S - unsigned int e2prom_cmd_sub_addr;
) a" f9 ~+ h( N/ \* D - unsigned int sub_addr_count;
. C4 w# d) K( l. M+ ? w! q - unsigned char* e2prom_cmd_data;! [# s8 P) u$ ~$ {% p
- unsigned int data_count;
, K- x- h7 \ {8 E - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1* ?3 \. n% E) N$ a$ u5 b
- #define E2PROM_CMD_WRITE 26 @; H) E9 Q" h6 f7 W9 B
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 X9 ?2 B: _9 x# R4 \% {+ y
- . Z9 h" }# G8 j0 D
- static int readparam(unsigned char *mac, unsigned char *stbid)
5 B$ f; {! {) I. O6 } - {
- t- E* i( C$ N7 u ` - int fd, ret;
6 B& V: ^' o5 }+ y - e2prom_s_cmd arg;
+ i/ P* I* f) ], c0 \ - unsigned char buf[0x18];0 g3 {% A! B( Z8 [# F5 X7 l
1 x! Z) e5 }& o! M* B4 w5 O |4 s% ]# w- fd = open(E2PROM_DEVICE, O_RDWR);
\% t2 h/ R3 _2 l, O - if (fd < 0) {
8 c# q6 \0 c; D+ r- b) w - printf("Device %s open error.\n", E2PROM_DEVICE);) h9 }1 j6 h ?7 ?; }; {
- return -1;
$ y3 I* Q# A# C; X - }
" r! W, d+ J) a2 M - arg.sub_addr_count = 2;) P) f& X7 p" A' o
- arg.data_count = 0x18;
^/ O1 v# ^4 t4 ? - arg.e2prom_cmd_sub_addr = 0x290;
% T3 H2 p( H8 \" t0 [* Q4 ~' t! V1 {) Y - arg.e2prom_cmd_data = buf;! V4 n2 H" Y' S8 e z7 k5 A
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ F. F- M5 S7 ^9 |7 a - if (ret != 0) {
6 D) J. ~: Q; d& V, c - printf("Device %s read error.\n", E2PROM_DEVICE);
q% M8 ~+ g9 T+ _ - return -1;3 e! f: H4 v$ h$ W5 S9 N4 t
- }! T3 u+ Y0 a& e3 A
- memcpy(mac, buf, 6);$ m& l4 T, Q2 D: A4 H3 x8 _
- memcpy(stbid, &buf[6], 18);
# E% i+ m* @; _4 L" S! m - stbid[18] = '\0';
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- return 0;
$ w* I, i0 a- |' d0 X4 A: L - }
' ?% A( J9 N, d+ d# p* ^ - . |: T% G/ o6 H4 }
- static int writeparam(unsigned char *mac, unsigned char *stbid)
( g* H/ j4 ]% g- y* c - {1 Y& S5 C7 |' |+ b8 S
- int fd, ret;
) p& C: r. ]' n0 `) j& C1 E0 c - e2prom_s_cmd arg;
& A) }. \7 r4 r7 I& o4 G' v" l. k - unsigned char buf[0x18];. @9 _) N$ x# y
5 ?+ H6 _. V: W: @/ h+ U- memcpy(buf, mac, 6);+ m. P8 P7 r; _7 }8 }% E/ E
- memcpy(&buf[6], stbid, 18);
- x5 c! m( {: o G% D! {- k - fd = open(E2PROM_DEVICE, O_RDWR);
" c" h! P9 ~* X - if (fd < 0) {, G6 ~- {5 F& F% g P) T! H
- printf("Device %s open error.\n", E2PROM_DEVICE);
; q0 G6 L0 H. M* R; F - return -1;
0 q; P. x0 L, X - }9 S% a" _* r% U) Q L
- arg.sub_addr_count = 2;
0 i5 [4 r) {: Y" Y - arg.data_count = 0x18;; G+ O4 x: |6 L
- arg.e2prom_cmd_sub_addr = 0x290;- l9 }( Z3 k5 \. L
- arg.e2prom_cmd_data = buf; i" R4 y% y6 d3 D* b( w
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);6 E& ~, y9 |) Y7 o6 K
- if (ret != 0) {. Z/ e( D5 Z: J2 D& e" `, y
- printf("Device %s write error.\n", E2PROM_DEVICE);0 m2 g7 B. p1 x& T' y: m3 M
- return -1;
2 m; O7 g7 f7 e M2 _ - }
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0 p' N( H# f4 L- return 0;
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- " L+ z* Q C0 s; A; `- J; I
- int main()
3 l5 @1 p2 A, w) e! m7 n - {
: e$ M, W- M5 f; q- M7 y2 N - char c;3 k: b$ E6 S6 ~& N# \- V; L
- int i, macs[6];
8 L6 _/ S; F+ z% j% v. X - unsigned char mac[6];5 h; `/ H" X) m2 X' X
- unsigned char stbid[256];
4 o4 N5 W: D$ P' D
4 d, O9 i+ W0 C5 _4 A' v- if (readparam(mac, stbid) < 0)
2 Z$ K) N- z* C* |* \& T9 { - return 1;
3 B9 K' B4 y& D2 E$ @0 ?
9 X; M! K# F, i; C- printf("Current parameters: \n");& `5 m8 f! T% o: _; |, m
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- a; L" Y* K' J6 W, Z - printf(" STBID: %s\n", stbid);
" j& i$ f* M0 O6 O p1 _6 } -
5 r& P. D3 v) ]: g$ { - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 b# y* Q; F% \; H$ r
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 M j7 Z, O) P$ g% w( W
- printf("Input MAC error\n");
' Y$ P. m: a# R( X - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
9 f) l+ Z! O' \! V' y - printf("\nPlease input new STBID: ");% t: s9 g1 V7 i: j# L
- scanf("%s", stbid);
1 i5 @& l* T3 R+ H" L - if (strlen(stbid) != 18) {( X: }+ x8 q) v( r( e
- printf("Invalid stbid\n");0 {# m- w- L( D
- return 1;
* p6 c# x, J$ y! ] - }
. }0 H& c2 c& |8 E1 `1 F - printf("\nNew parameters: \n");8 u# A5 s6 M3 T7 o# g
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
}* ~$ Z6 l2 e" K# t. a9 P - printf(" STBID: %s\n", stbid);
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: s# Y5 d n! X/ D) d9 n: G- printf("\nDo you want to change paramemters? (y/N) ");
K% q. v. M9 p/ M- Z! X* j! s - for (;;) {. W& Z& f- V& ?6 v
- c = getchar();7 s% T% u- j& O2 g& |
- if (c == 'y' || c == 'Y')
3 L. e2 G! _5 t1 ]8 I - break;
3 s/ j9 f( x- L/ g - if (c == 'n' || c == 'N') {: c$ `0 X4 t5 z
- printf("\nAborted.\n");; D* M7 L/ M j
- return 1;/ }! i+ O+ _$ r# B+ E
- }4 Y) G6 ?& ^1 r/ D I
- }
2 `+ r" g( J# w% L3 L( b3 D - if (writeparam(mac, stbid) == 0)
I8 _$ o! N; S* } - printf("Parameters changed.\n");1 t+ G6 ?" K+ o
- & ?" x# j$ }% [3 S
- return 0;" f/ q: m6 ~$ q. ^- _
- }
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