本帖最后由 0522 于 2012-3-21 23:04 编辑 7 ?% W# t3 z1 N& g) p. u, w# i
_9 [# m& N0 _4 ?% v修改的代码早有了。到今天不会编译。
& F* }) m# C7 d' S; @需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 H8 O$ n* Z) A# S7 A5 o7 M
- #include <malloc.h>7 f- v# O; H% q
- #include <sys/types.h>( s% m6 x$ I2 p! ~, U# f
- #include <sys/stat.h>
' I( O5 Q. b: b( o2 C ^3 M - #include <sys/ioctl.h>
" N5 f- {2 \9 D - #include <stdio.h>7 R' e8 T5 U- J6 I
- #include <string.h>
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- typedef struct {5 D9 _0 o1 d6 Q; K
- unsigned int e2prom_cmd_sub_addr;
& X# T/ \0 q, x/ J - unsigned int sub_addr_count;7 @* d* N) I3 B6 p
- unsigned char* e2prom_cmd_data;
+ ~7 s- S' w T3 F: N { - unsigned int data_count;
: u8 L/ t/ }) J- W" O - } e2prom_s_cmd;" k% G( B7 \) B5 V$ s: r
1 g4 R" ?- Y5 r; T- #define E2PROM_CMD_READ 1
4 h! g1 v' |9 b# Q - #define E2PROM_CMD_WRITE 2
( \, X* U1 y1 P* _% ]+ j" ]4 o# u - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
- Z8 N3 d' @3 s4 E9 u/ `) W7 b
- I, @3 p7 P7 ?9 v6 M9 }$ v f( y- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;' b: n$ @3 ?# L% }
- e2prom_s_cmd arg;
& X x- \! F1 b4 h% @' J% ] - unsigned char buf[0x18];% o/ @( j, c9 j M7 @# L
- 4 m6 O5 {, t( y* h# a e: ~
- fd = open(E2PROM_DEVICE, O_RDWR);/ o! w1 |+ G! n# J& }$ I
- if (fd < 0) {
, W4 K7 n7 W1 @3 c# r W; _. @: Y9 g% P - printf("Device %s open error.\n", E2PROM_DEVICE);
% D: N4 }! G6 v - return -1;
& c2 z7 n) |0 j- R4 L X9 k8 _( ~ - }
; N9 `& }( m9 F - arg.sub_addr_count = 2;5 c5 \6 G. b! [2 K; h
- arg.data_count = 0x18;$ y, H/ N h6 T9 C5 {' V
- arg.e2prom_cmd_sub_addr = 0x290;
) ~3 N+ J1 I* |6 I' f% c% p8 m - arg.e2prom_cmd_data = buf;
4 { f+ D* L; h: w - ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 m/ u; E4 p( F: ~/ `5 z) |
- if (ret != 0) {
+ v! B9 l+ o" r Y% O ` - printf("Device %s read error.\n", E2PROM_DEVICE);; ], o/ h @& I- r
- return -1;
) s0 x( t" U' } - }
2 m1 Z5 R! ]: d5 n& x8 W - memcpy(mac, buf, 6);8 q5 N0 y1 L Q% p
- memcpy(stbid, &buf[6], 18);, M* \$ R" d9 h4 a" Z
- stbid[18] = '\0';
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- return 0;
; r& E9 e: L: n$ V5 y - }
( |5 L$ z& @, B5 A# F. L3 d$ n - $ I. H( U0 @( v4 B0 v3 ]
- static int writeparam(unsigned char *mac, unsigned char *stbid)
6 L, b$ I( X3 p, k! n, P, B - {
" x( X& G& p- g2 y+ \ - int fd, ret;5 J/ s/ i4 X: ~/ \* N: B& Y& F
- e2prom_s_cmd arg;
8 s2 N3 h5 F% _( F% S, ~" S - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
9 u1 k) e2 }1 o9 c1 f - memcpy(&buf[6], stbid, 18);+ [2 n+ k) K$ H- q( h
- fd = open(E2PROM_DEVICE, O_RDWR);4 n" f+ w8 E# d* N
- if (fd < 0) {
, G2 ^8 r) g( p- ]1 |, F - printf("Device %s open error.\n", E2PROM_DEVICE);7 e1 b4 M+ L+ [5 P6 {: A
- return -1;4 }; U9 Y* r9 c" u3 g( I
- }
( |$ D. X% l6 Z; l) g$ d - arg.sub_addr_count = 2;
& _3 Y8 E1 o/ j8 v1 h( e+ x; n - arg.data_count = 0x18;
+ X6 d5 [: P* K( i$ c - arg.e2prom_cmd_sub_addr = 0x290;6 ~; L6 w' t) D" a
- arg.e2prom_cmd_data = buf;! q: Q* K F5 k' r% z5 m m, N
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);% C9 S, `+ h/ F! v2 }/ z" n T& Q
- if (ret != 0) {# \" u4 u3 B v6 Q$ d( O) u
- printf("Device %s write error.\n", E2PROM_DEVICE);
8 g2 O4 r1 [" h4 {' M0 {) W7 V - return -1;
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- * Q9 a8 L; [5 d' b1 `$ x/ ~+ F
- return 0;; d* o: ]% c8 r/ Q, {* s# E
- }
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; m$ Q& H4 l: I x$ f- int main()
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- char c;
7 d6 J9 T6 C9 G: w+ M* o$ P - int i, macs[6];
% ~6 j( T8 z. q - unsigned char mac[6];
3 k3 W7 |) G8 N: _4 w - unsigned char stbid[256];+ w4 m/ U7 B! W! L
9 }8 c2 \' f' }" U" c) ]- if (readparam(mac, stbid) < 0)" J q9 Q' g9 q9 X5 W! z# [
- return 1;
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- printf("Current parameters: \n");8 Q) e& \" g$ p R
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) j8 S7 M' }: l; X
- printf(" STBID: %s\n", stbid);
) t; F3 _" p' E% [9 H -
) D7 S) W, X7 p( Q" N - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% F4 _8 Y! c& z! Y1 Y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
% P4 _* l! d# a - printf("Input MAC error\n");% Z- W/ r4 q. m6 |" D5 L- y
- return 1;) \. a( f- C$ h" K5 c3 b. [
- }0 G* I! Z6 q" W( J
- for (i=0; i<6; i++)mac[i] = macs[i];
9 ]" S' r: V/ t& c2 g - printf("\nPlease input new STBID: ");$ x8 p: ~5 d7 g
- scanf("%s", stbid);
0 n7 g7 g3 g4 g; ` - if (strlen(stbid) != 18) {3 }5 D' n5 F3 g! _
- printf("Invalid stbid\n");5 \8 r8 f% W) ], ]# N
- return 1;* }0 H5 h4 k% Z& m
- }
3 j& Y" S& o8 S5 b) E. s u6 w - printf("\nNew parameters: \n");
, K- G- R4 U5 V+ V i/ S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 s1 Q6 `( g3 t% f' Z6 ^% \7 Z# a - printf(" STBID: %s\n", stbid);
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4 p3 A7 S# N+ T# k$ h' {- printf("\nDo you want to change paramemters? (y/N) ");! }" z2 x& _# d, [# g
- for (;;) {
/ ^% Q- R( _0 E& G - c = getchar();- Y& U8 ^, L# G* A" a
- if (c == 'y' || c == 'Y'), s ~- `8 a) @
- break;
) q* r+ ]( i. h2 [1 |2 L - if (c == 'n' || c == 'N') {
# s% ]5 |: H5 {- [8 x* R! W; u5 @% p3 P$ a - printf("\nAborted.\n");
' E7 F J( v I: W9 h; c6 E - return 1;
: A7 p1 X& U+ t6 Y ?8 P! E7 @ - }
- a) @/ x) o/ V2 i - }
$ Y4 p5 X/ H! S8 i; G Q - if (writeparam(mac, stbid) == 0) ( u! p9 \! R9 W D7 |
- printf("Parameters changed.\n");) Q5 O# f, Y8 E* j S$ s
1 E" V E$ F. y$ u' S- return 0;
6 w1 R% S( s' F: J) L - }
复制代码 |