本帖最后由 0522 于 2012-3-21 23:04 编辑 ; B- c# \% J6 w" s; T+ ^: n- E
7 d7 T, b+ M! a. b修改的代码早有了。到今天不会编译。( |6 c) q* Z Z2 m9 u
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>$ a$ p7 ~# `; E6 ~: }' M
- #include <malloc.h>
2 I- V; ~* l. v0 S9 [: U" C - #include <sys/types.h>$ R' o' Y9 Q, o9 S5 |% f
- #include <sys/stat.h>1 v- U1 q5 C5 w. Q2 x% v
- #include <sys/ioctl.h>
0 ~$ t' `) c8 i) z8 K, k - #include <stdio.h>
6 J B( l' I; k - #include <string.h>
5 _: I( d1 r4 }& V- E - 8 M M! o4 Z2 I% M5 d4 Y8 ]
- typedef struct {
1 B' Z% c# b- j - unsigned int e2prom_cmd_sub_addr;
. o7 K; }. m- B; G$ M - unsigned int sub_addr_count;
/ ^* t8 Y$ w9 w+ [" Y/ A - unsigned char* e2prom_cmd_data;, ~% E) N/ j! {4 Z8 B
- unsigned int data_count;
; `$ p% r1 E& }7 t, u* K9 o! @- t - } e2prom_s_cmd;
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- m5 b1 F" A- F; x/ m/ S* m0 e9 b- #define E2PROM_CMD_READ 1# K) A% |4 K& g% p/ K- b- R
- #define E2PROM_CMD_WRITE 2
; ^ ~( n! h6 s7 h0 _/ H - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"8 v3 k) z+ Z! u6 {# _
- - r/ m$ ~" H+ k4 Y2 {" w
- static int readparam(unsigned char *mac, unsigned char *stbid)2 @6 |. K* x: f2 Q, q2 E
- {
) m: y; D" u$ ~! g* @5 \. A4 t - int fd, ret;
1 ^. W2 t ^' M9 l, ^7 H8 G - e2prom_s_cmd arg;
, v( D: U5 w! K; b! U/ ^& L$ W/ W - unsigned char buf[0x18];/ Z7 y5 }' ~1 \" D" _
3 \+ e" \" F+ n9 z- fd = open(E2PROM_DEVICE, O_RDWR);
% i- {$ j$ k! ? - if (fd < 0) {+ O* w: e" u; \8 X5 Q* D
- printf("Device %s open error.\n", E2PROM_DEVICE);
/ d1 q ?. V# ~) f0 ]1 J& O( m - return -1;
/ A0 I' w' i A: G) r9 c - }1 d! g0 H( Z* W7 N8 I# R
- arg.sub_addr_count = 2;
% M8 t, M' s. T - arg.data_count = 0x18;2 R0 b' n/ ^/ B- K' ~
- arg.e2prom_cmd_sub_addr = 0x290;4 U4 b* H& o* l# o) T. g
- arg.e2prom_cmd_data = buf;
$ W* m( j8 n5 i - ret = ioctl(fd, E2PROM_CMD_READ, &arg);; A) a% J6 k3 z
- if (ret != 0) {
/ I! g) o( Y- |3 X2 D$ W# M - printf("Device %s read error.\n", E2PROM_DEVICE);7 u: T6 m& b+ G8 e2 j8 g4 A$ u( A
- return -1;
; Y+ k& d- N D2 x; R3 S - }
4 a9 @+ M! X; Q7 i7 j - memcpy(mac, buf, 6);
* f; u% \% M* s7 Z4 k2 O9 e E - memcpy(stbid, &buf[6], 18);
}+ d5 P2 |+ D, V$ \3 U - stbid[18] = '\0';4 a2 L4 m; r! x9 J4 F3 B
- : |+ m( @1 ~: n
- return 0;# g& v. q. r0 S" b( P
- }
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5 E8 l6 C) y, u9 [) }- static int writeparam(unsigned char *mac, unsigned char *stbid)
& \$ e6 |2 ]3 x - {
' m4 {, [! g. d - int fd, ret;
, I6 }1 O6 h( ]' ` - e2prom_s_cmd arg;
" N" a/ Q1 G: q; Q ^4 ] - unsigned char buf[0x18];
1 R( K+ q, C, q2 c, Z2 I. _ - , \1 p0 I: _& C# a) w; b: Y
- memcpy(buf, mac, 6);* d9 W% S! d. X/ B1 l' k8 Q& N, C9 J
- memcpy(&buf[6], stbid, 18);
" |" s7 J9 {( p, E* t$ P# b* S - fd = open(E2PROM_DEVICE, O_RDWR);$ K7 o: x) K+ r+ o
- if (fd < 0) {- a9 [! N& f, D2 o* f4 P. J% e
- printf("Device %s open error.\n", E2PROM_DEVICE);
! F: V% P* Z6 _ - return -1;7 j! H; x& v2 G3 r" ~6 i* C
- }
& t" x8 _: ?2 K7 U9 F8 F& w; s - arg.sub_addr_count = 2;
8 d9 N0 P- c T- }/ s4 s, G# R - arg.data_count = 0x18;
$ N( X$ g8 z9 T* @: S - arg.e2prom_cmd_sub_addr = 0x290;( e6 l- l" T0 W: _8 V8 q/ ^8 a* H
- arg.e2prom_cmd_data = buf;
& w7 S# N% U/ d - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
$ g* ]' l0 {) y8 G( T - if (ret != 0) {1 B) x" R5 K: n% y
- printf("Device %s write error.\n", E2PROM_DEVICE);/ _9 l: X0 i C4 t) U
- return -1;
Z; b1 o( J1 ]* f3 l: u - }
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- return 0;$ m+ F3 a% I* L7 g: |* p
- }8 j' r" B) Y& ?( \" U* y N
- - ~8 K9 v3 v [' O; `
- int main()6 P( K' u% N& U! i
- {
$ \+ b1 H; X0 I9 K) p - char c;
. n) L, w' R; U+ K - int i, macs[6];
4 {1 F7 O9 r8 t8 Y - unsigned char mac[6];
9 U, h$ T' `' n8 ?( ^ - unsigned char stbid[256];# Q0 P3 ^, {3 ]5 e% D# _( f1 i6 a
- / T# S7 Z2 |* j2 q# t: m. k5 {
- if (readparam(mac, stbid) < 0)' X* n2 n* M9 t2 H( z" T" Z6 x, Z- K& k
- return 1;6 f% ]. F5 ?% z, Q/ d( G
% D, n5 Z h2 Q- printf("Current parameters: \n");
: N5 j8 T; K5 w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ B5 y( Z8 n6 s
- printf(" STBID: %s\n", stbid);$ l0 `/ B" l4 Q1 M7 u
-
# ~, L1 e3 V3 N2 J ]9 [ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 Z* c2 \1 v: I" z0 k2 U+ C - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% [ a* l* j( g* D0 `. d
- printf("Input MAC error\n");# [4 _" ]" V4 o% \, |* R
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
# I) r4 P5 a8 ] - printf("\nPlease input new STBID: ");
5 y- U5 l1 X# C6 N/ W! h - scanf("%s", stbid);& ]3 I7 b6 Z6 }2 W1 o6 H
- if (strlen(stbid) != 18) {7 m. g1 `! g2 }5 {5 m
- printf("Invalid stbid\n");
7 |8 b5 ?) J$ H+ T' o- A' k' p1 X - return 1;, Y- H" V+ {9 D2 B
- }+ }9 [6 g0 f' M: v
- printf("\nNew parameters: \n");$ B" T" U* p* _( u4 h a
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 _* a2 t. H3 S - printf(" STBID: %s\n", stbid);* r5 H3 L+ E/ w# y2 l, O8 P7 g
- ' c3 h0 L+ P% Y( _1 h
- printf("\nDo you want to change paramemters? (y/N) ");# K7 Q7 u- U4 C* ^" G- Q
- for (;;) {: I2 Z7 j3 j" {/ w" G, @
- c = getchar();
) h9 P+ i8 r& {% l( A3 e - if (c == 'y' || c == 'Y')6 t4 N$ a r. \% W
- break;2 Z+ @. C& C# [
- if (c == 'n' || c == 'N') {, x. t7 ?# S8 E& E( E
- printf("\nAborted.\n");
, t0 R- v! t; y3 W - return 1;4 d- N f8 U( i( j Z
- }3 `" B1 y% y4 ^. q
- }- a9 W" Z. m+ L( r3 Q# d
- if (writeparam(mac, stbid) == 0)
0 q0 H: [, y6 ^, W1 a - printf("Parameters changed.\n");
0 Q$ O+ O, e" v/ y1 [
8 ^5 R+ t4 [: \; U- return 0;
% i5 `5 Q+ V/ T+ z+ R - }
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