本帖最后由 0522 于 2012-3-21 23:04 编辑 / n4 S7 u4 q2 n# Z
5 i) |( A9 B5 s! e修改的代码早有了。到今天不会编译。. \, V8 U* K. L" R c
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 [# g1 Y1 b. J' B4 {2 C
- #include <malloc.h>
" \ e {5 w3 c( G1 ^& b+ D - #include <sys/types.h>
9 M+ v% f. }* s2 k - #include <sys/stat.h>
8 F1 u4 X2 _+ i* l3 @7 n$ N4 ` - #include <sys/ioctl.h>; `4 a: r& R. F. l- I y5 @8 w
- #include <stdio.h>
t% @/ m; A. `4 u! O, \3 t - #include <string.h>, T' J9 R' @2 f9 `5 v
- 2 F9 t8 Q9 F7 c7 U1 e
- typedef struct {0 R. L3 y5 w$ c- y( h# e
- unsigned int e2prom_cmd_sub_addr;
, _# L! e" }8 M0 C! y C - unsigned int sub_addr_count;) |% s# f. @4 {( b3 i0 h: p7 P8 q
- unsigned char* e2prom_cmd_data;
) T2 N% G2 O$ @! A - unsigned int data_count;: F* k, p1 ~4 T, |. V& x
- } e2prom_s_cmd;
5 b6 A1 `, W4 t' V9 [ - 1 D( |1 @0 ~2 J* T' i
- #define E2PROM_CMD_READ 1- N* N6 Y m: l z' \; R+ `% c
- #define E2PROM_CMD_WRITE 2
& F: Q% g3 A x1 j/ h - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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$ h0 k Y6 W$ i- static int readparam(unsigned char *mac, unsigned char *stbid)& ~9 u- X" R8 Q0 c9 [! s
- {2 I( ~8 W# U$ A/ k6 w& @
- int fd, ret;2 Y; i8 O6 B8 B9 _7 k+ K
- e2prom_s_cmd arg;
# v* G5 ~: z! Y3 `+ _4 s - unsigned char buf[0x18];
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2 q' D; f7 L2 ?8 @: ?- fd = open(E2PROM_DEVICE, O_RDWR);% F' R- s: n- N; W7 u2 Z
- if (fd < 0) {
5 u8 C$ u+ H# N# y q - printf("Device %s open error.\n", E2PROM_DEVICE);
' @' A( @6 L2 K) z - return -1;
5 b. p4 R4 a8 \. r( w! I - }: r7 Q) D8 x" f) ?
- arg.sub_addr_count = 2;
7 q4 K- t: H) o5 w9 R. R - arg.data_count = 0x18;
& D4 R$ e' O( X( g) |3 F - arg.e2prom_cmd_sub_addr = 0x290;/ c% ^ n" O! a+ m4 h- h
- arg.e2prom_cmd_data = buf;
% B8 z3 t- `2 {2 H* j - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
" t j2 D8 n- @9 Z' W0 q1 c - if (ret != 0) {
" |; k* a' b! o - printf("Device %s read error.\n", E2PROM_DEVICE);
$ a A0 @4 _. c$ \ - return -1;/ m6 |% R9 o# G0 T4 n$ I9 h8 J
- }
7 W3 h. K% o% L+ C3 I% [2 e6 D3 ] - memcpy(mac, buf, 6);. Z- ?4 F2 s! \- { K. D
- memcpy(stbid, &buf[6], 18);/ s$ {) G) C( `( P" j1 o
- stbid[18] = '\0';3 H9 H$ I0 O- P+ }: W1 x' u' M F) [
! W( O; M) r& D- return 0;$ z9 O9 Y9 E! B" ?
- }
8 F7 n% W8 [. j! R5 ?
- l7 p7 l9 B" o9 x+ U9 l* @# K- static int writeparam(unsigned char *mac, unsigned char *stbid)* y. s1 B- C) f3 h* S- v. F4 c
- {
. h- {1 A3 A3 P1 ~$ q. P! c8 x - int fd, ret;
3 W- X" \/ ^- h - e2prom_s_cmd arg;% W# `+ f& |% n. X/ }3 Q8 F
- unsigned char buf[0x18];
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* r& S% H( K9 j: k4 t- memcpy(buf, mac, 6);) w; }- I$ ?& C' _0 l0 D
- memcpy(&buf[6], stbid, 18);
9 I4 y% Q! W, U4 `) D! m - fd = open(E2PROM_DEVICE, O_RDWR);. l1 \- ?) v# q2 p. [6 j, ^6 e
- if (fd < 0) {
5 P6 b h3 X9 S: m; }( v+ B( e3 U3 [ - printf("Device %s open error.\n", E2PROM_DEVICE);
4 Q0 R1 l1 ^. Z# a ^* F5 } - return -1;
3 Y4 c5 ^7 c" `5 i8 Y& l - }
R+ K/ g7 q- I# v7 t - arg.sub_addr_count = 2;& W- s* ]% B. S- u7 ~; h6 U
- arg.data_count = 0x18;+ C' w2 y2 \1 @6 N# f
- arg.e2prom_cmd_sub_addr = 0x290;
7 | \) ?: H- }9 @& E - arg.e2prom_cmd_data = buf;
9 r) m3 G+ U* f+ y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' b( ?9 U1 K* p( _6 B# m# W- [
- if (ret != 0) {( Y( s" j0 Y: Q) Q9 ~' ~
- printf("Device %s write error.\n", E2PROM_DEVICE);
6 f( t( y4 H* r! a/ _ - return -1;
# e4 g q* B2 x3 `! I - }
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- return 0;" y0 `: H) a5 C7 M0 @
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- % F3 r |; ~! k* @1 i- K# A
- int main()
& t( f" t" Z8 s+ C s* c' `) ^ - {
9 K: ?' x( s5 J - char c;# V+ ?; N! e9 g. X2 G% g& D: w4 |* L
- int i, macs[6];
7 j7 Z H# A" C9 ]+ z; I: T - unsigned char mac[6];( Q: N, ^! h5 Q; O) H
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)+ B. q# T) Y1 B# S6 H3 h; L5 t c
- return 1;- t7 ~# l" W- I5 q4 W9 t
i4 k t1 e: Y8 `+ z- printf("Current parameters: \n");9 \9 W: u* f1 l$ @& j3 p1 t3 n* |9 X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 t/ n0 d. y4 J6 B: ^1 x
- printf(" STBID: %s\n", stbid);
* k; J2 F: a% t1 \6 L2 E0 l, c - % \& S: U6 s s
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
5 \) |9 ^3 j" a9 l: s9 K - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& ^- c7 e/ `5 ~ - printf("Input MAC error\n");* I9 [3 t: Y# x
- return 1;! N) E% K; a, E% V
- }$ i9 v0 E- _" R: P6 N
- for (i=0; i<6; i++)mac[i] = macs[i];8 s; a& [- x, i0 o1 s
- printf("\nPlease input new STBID: ");6 Y: L, Z* A. \; {5 r; E$ e
- scanf("%s", stbid);
" m3 Q, @. H! \* L8 A' y - if (strlen(stbid) != 18) {. a; I( v+ q3 r( y
- printf("Invalid stbid\n");1 u$ r5 |5 X3 q. s* \) P. y( r
- return 1;
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- printf("\nNew parameters: \n");" Q, A) S. r( k) P: e G
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: u2 A6 j6 ?( a; A* H, b3 j - printf(" STBID: %s\n", stbid);
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( I' {. q" w6 E- printf("\nDo you want to change paramemters? (y/N) ");
* V% p7 e. v/ [* T - for (;;) {
+ i' p4 F" w4 r2 q - c = getchar();
% F! t T4 S5 k& C2 _ - if (c == 'y' || c == 'Y')0 \( h1 A+ ~( X* n1 E/ B
- break;
/ d3 }1 d0 t( Z3 ^$ _8 @ - if (c == 'n' || c == 'N') {5 g4 w( b- E x% L6 ^
- printf("\nAborted.\n");8 I9 O$ K! O% k' L1 g5 L% t) p" @8 X
- return 1;8 c# D, m, B. D4 P1 R) a6 y7 E
- }
- t# d5 ~$ s. d - }
" V9 @. H1 k. I/ J c/ Z - if (writeparam(mac, stbid) == 0) 4 K! n5 f8 \2 D' H/ c, y5 l
- printf("Parameters changed.\n");/ S: f. j1 A y% ]1 m! e' g3 L
0 c$ I8 n9 [/ x8 ]1 a1 `- return 0;0 q, W( ?! R& q/ l/ j
- }
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