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。
: o; R( q5 e$ p$ q; T1 A. z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 `5 K5 v2 l. v8 \) q1 f7 a
- #include <malloc.h>
' d0 ]( ~9 J) Q8 @6 a - #include <sys/types.h>
1 n2 `* M( y; \# o( ^ - #include <sys/stat.h> |; O7 g0 o' q6 ~2 p
- #include <sys/ioctl.h>) c$ t/ b. Y) `
- #include <stdio.h>! ?; |* y0 Q5 j: D# }
- #include <string.h>
# q3 R3 W+ ] Z2 f( C l - 1 b. W0 Y: l3 [3 Z/ ?/ [
- typedef struct {
~; u- s( H2 a; g; W$ w - unsigned int e2prom_cmd_sub_addr;# P' v8 ~4 f8 V: k! P
- unsigned int sub_addr_count; I; R; a L, t
- unsigned char* e2prom_cmd_data;
. }7 R. b# ?, r z0 h1 L7 Y' [ - unsigned int data_count;. m3 r% A* A" E0 H4 @
- } e2prom_s_cmd;
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& U/ b" j+ V7 D% P- #define E2PROM_CMD_READ 19 W6 q6 t0 a" Q" b
- #define E2PROM_CMD_WRITE 2; g6 R0 c( m& O4 g z( u
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
# W+ x+ E$ R" E& A) }" S7 k4 U1 [7 Q
+ `0 p$ F* B- v: o0 r7 C- static int readparam(unsigned char *mac, unsigned char *stbid)
" {! s9 q# H$ }3 w9 m, S5 @# _ - {$ [8 h$ P ~2 G. k2 ]; C
- int fd, ret;
+ N+ G; u% c) a& C' b( e2 h - e2prom_s_cmd arg;! d1 Y& Y) ]' C/ T6 G! ?( i% A
- unsigned char buf[0x18];
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U3 j8 c+ U/ n& Z' u2 B- fd = open(E2PROM_DEVICE, O_RDWR);
% O' w! F/ V* `$ _! | - if (fd < 0) {
& J& o, }8 G' ?0 K! \ - printf("Device %s open error.\n", E2PROM_DEVICE);
, j! J! }0 z# d6 x - return -1;
! w- q. H2 \$ r, X9 C - }
" q8 [3 B' M$ r9 E! A5 d% M - arg.sub_addr_count = 2;
, x( L2 j- _8 f% |: R - arg.data_count = 0x18;
9 y+ J$ F2 ?& `! ^% H8 x5 L* X- Q* M: q - arg.e2prom_cmd_sub_addr = 0x290;
1 t' D# C+ p( Q, j - arg.e2prom_cmd_data = buf;+ L3 ~) L8 P# v# \
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: Q( w* j# A) ^; k' m - if (ret != 0) {
) K! {3 j% w$ g) L+ K - printf("Device %s read error.\n", E2PROM_DEVICE);
6 }% ?8 {' S- a F; L9 p - return -1;( {# K. ]- {& M# O4 \
- }
0 P- f; S& h- l: x& S - memcpy(mac, buf, 6);0 S) c/ e+ O" R0 s* G: T
- memcpy(stbid, &buf[6], 18);
% n2 l* A9 l. m% H) |2 t - stbid[18] = '\0';7 E8 @. w- |4 n3 z# ^5 H8 P
( z9 N( c" J' X' c6 B. E& B% K- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)3 {8 B( p" |4 ^& }
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- int fd, ret;
] R0 n( R; J6 g' ^% e* v - e2prom_s_cmd arg;
' e. t2 Z# c! ] w% C - unsigned char buf[0x18];/ A8 T0 ]9 q* I+ O! ~4 V
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- memcpy(buf, mac, 6);; P8 ]% \( h4 V. j- k5 _2 u
- memcpy(&buf[6], stbid, 18);7 [+ u# m. y8 y" A* i
- fd = open(E2PROM_DEVICE, O_RDWR);
8 I& W) R' f# {; h9 A2 F$ y- M - if (fd < 0) {3 U# t# l1 Q% {+ b* B* S! a* u
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 ~1 B, U" W% T( M - return -1;' f7 g) x9 V9 i* G+ @1 M& J- U; P
- }
$ t5 K: h' j; @3 ]- | - arg.sub_addr_count = 2;$ M: e6 M8 ^0 N4 y7 z7 e1 {
- arg.data_count = 0x18;
; g5 F' ^8 x" b% R- s# R - arg.e2prom_cmd_sub_addr = 0x290;# n2 o: d, t' m1 m
- arg.e2prom_cmd_data = buf;
2 [) a6 e% U) z1 w& w2 m8 u, B: _ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
7 E% d( o3 j( x& N - if (ret != 0) {
) N9 Z8 U+ Z1 d! O8 ] - printf("Device %s write error.\n", E2PROM_DEVICE);- T' k$ h: Y! _, E) ^8 W
- return -1;
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* }$ ~1 Z* ?6 q$ L& D- return 0;
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- int main(), S* S% x5 U* O8 I, O5 n: d J
- {
3 Q8 D- U, t/ D1 {; Y$ G: e - char c; U& Y' [+ Z A. A3 ?
- int i, macs[6];- P! m: r' G( g5 T
- unsigned char mac[6];" C& e3 s; g0 J. g0 j/ b x3 u
- unsigned char stbid[256];3 x# b* [) `: ~; o
- Y( r( V! E ~- if (readparam(mac, stbid) < 0)
3 d5 L8 n. Q6 y; E$ ? - return 1;
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: q) E( U- ^5 P) b- printf("Current parameters: \n");
- g$ i! i( B+ L6 u- f. t - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 B8 _8 e8 l P6 \7 O! o$ U% Z/ e - printf(" STBID: %s\n", stbid);
& E# O4 C0 y7 Y- d( p" j/ | -
5 C# S ~$ n% A - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 y' e* O6 ]) G. i) e( ~3 ?- o2 p
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 Q0 }% B2 j% w2 G* c* g
- printf("Input MAC error\n");
! P9 B) M1 J4 g U2 E, A - return 1;( e9 O8 H3 K( g7 [. C
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- for (i=0; i<6; i++)mac[i] = macs[i];
' v S, V/ K' W+ B6 _/ g - printf("\nPlease input new STBID: ");
* z( T X0 f: I! J& U7 O - scanf("%s", stbid);. U& e/ n- `5 q4 a2 ~# e$ f( b
- if (strlen(stbid) != 18) {1 b6 I" \2 R; c( e E& S! A- q
- printf("Invalid stbid\n");# ` J6 n: y. `" k, d/ Z! E) \* l) f0 v
- return 1;9 r+ o; E5 K/ Z5 z) y
- }, I/ j/ Q; s _, t" T+ g
- printf("\nNew parameters: \n");
$ t4 Y. z7 _, E- C( l3 N3 ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# l* }4 P5 n: M - printf(" STBID: %s\n", stbid);
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: K+ ]# P. o* |$ Y6 _4 L% |- printf("\nDo you want to change paramemters? (y/N) ");5 [) Z. q. a; E/ B5 E
- for (;;) {5 |6 V' R' p: O$ J/ \6 R0 ?
- c = getchar();
4 {: e$ r2 p2 ]: W C% M6 |. Z - if (c == 'y' || c == 'Y')
& A' n& ~) A' d8 i - break;( K5 d. G# `; X B! c$ U
- if (c == 'n' || c == 'N') {- t. i, P8 o) Z9 b0 c9 ~
- printf("\nAborted.\n");0 E) g. g' p [' ]! k8 p1 Y0 }
- return 1;
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- }
. q2 _" j5 I& b+ ~: b* X - if (writeparam(mac, stbid) == 0) & j1 A1 ~' y, K$ B
- printf("Parameters changed.\n");
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& K0 U( y/ H2 t* x" Z& `3 f- return 0;
0 ]# D9 @( q! v4 z; a; c - }
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