本帖最后由 0522 于 2012-3-21 23:04 编辑
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3 W* I5 o0 Y: `' Q: @& ?# c修改的代码早有了。到今天不会编译。5 c/ R9 L+ j L! L
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 k* H( V& F- C) E+ j
- #include <malloc.h>0 s/ H0 r9 J6 i
- #include <sys/types.h>8 P! M$ n, E& V7 x
- #include <sys/stat.h>
8 j7 N3 k# x& u) K0 {! \ - #include <sys/ioctl.h>7 p+ C! S/ j0 l
- #include <stdio.h>: d4 c7 H5 D/ A7 c; `3 a8 F4 A
- #include <string.h>4 V2 d. ?' n+ y- x. Z3 f
- p5 N# o& u7 i+ c# L
- typedef struct {
* b# J$ W* [8 Z; p* Q4 Z - unsigned int e2prom_cmd_sub_addr;+ B, x- o8 D2 `, s0 a
- unsigned int sub_addr_count;: k! n4 @& x o4 S: U
- unsigned char* e2prom_cmd_data;
* r O8 X' f: _5 ^. Q6 I( l - unsigned int data_count;! T: U6 e& F: b% ?2 u
- } e2prom_s_cmd;
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9 A7 B% N# b' I' x- #define E2PROM_CMD_READ 12 S. Y3 T0 y0 x; S7 p& p
- #define E2PROM_CMD_WRITE 2
) L9 f: o) A! w) V! Z) Z - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
; N) y% O- P- u - * G$ |& P2 h2 N& C9 }
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
( s( W( s0 X1 j+ i/ Q6 { - e2prom_s_cmd arg;
6 a/ r8 u9 b! Q. R% J - unsigned char buf[0x18];, d# Z' l* I7 L! {
1 ~0 e* H& O/ l! S8 G! q- fd = open(E2PROM_DEVICE, O_RDWR);+ q* D9 ?5 k! a3 j
- if (fd < 0) {& F. @. T; N* V
- printf("Device %s open error.\n", E2PROM_DEVICE);
( _3 A! O! @# L8 v& b - return -1;4 P) P8 r, N: ]* m
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- arg.sub_addr_count = 2;
: _$ q& O& J3 B2 [" x - arg.data_count = 0x18;) @" x( _6 w; q
- arg.e2prom_cmd_sub_addr = 0x290;/ E$ [0 C3 L' q; X- V
- arg.e2prom_cmd_data = buf;
- W8 B$ P; k5 {: ?" f9 B' z' f - ret = ioctl(fd, E2PROM_CMD_READ, &arg);% e: Q) i2 |0 d7 J3 u% r
- if (ret != 0) {
- T5 j8 F" D* ?- o7 o - printf("Device %s read error.\n", E2PROM_DEVICE);
7 F! q4 j' H, n1 b! i - return -1;
. B" B* O- F6 C { - }
, x9 _% i3 o% ^/ N5 ] - memcpy(mac, buf, 6);7 f9 }6 {: c% F, F) H
- memcpy(stbid, &buf[6], 18);
7 i* K; R! Y& i8 S - stbid[18] = '\0';& P- x% A3 U% i6 Q
- G/ F2 x, e3 x/ h3 E g% D- return 0;
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6 B$ ~. v3 q$ R- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
; }% A0 J! |. c5 D J9 q, }- ? - e2prom_s_cmd arg;
$ w4 w$ c7 ]! {3 F - unsigned char buf[0x18];
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: i& P) a7 Z% l1 e% X- memcpy(buf, mac, 6); [8 b& Q0 r& f6 ~# A9 T
- memcpy(&buf[6], stbid, 18);
, O- ]4 {3 B( K4 ~! a - fd = open(E2PROM_DEVICE, O_RDWR);
9 ?/ I- q& o% ^& a4 {( ~% G/ ^ - if (fd < 0) {
4 q9 F+ q* ^3 f" ^+ I* P- Z - printf("Device %s open error.\n", E2PROM_DEVICE);& a, `0 F0 z( S
- return -1;
5 U8 M6 Q; A( j4 W6 Q - }
C& w4 p8 @6 }; A0 Q2 q$ y! X3 C, r - arg.sub_addr_count = 2;
. A% V: M( r3 b7 ]4 v, v/ Q - arg.data_count = 0x18;
- a# L% ~; t; A6 W+ b8 r3 d& M# h - arg.e2prom_cmd_sub_addr = 0x290;
: P* ^- E; C; E$ K/ g - arg.e2prom_cmd_data = buf;9 q. V, b' Q1 K- O4 ^
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- T/ I% I$ L4 e3 M0 `
- if (ret != 0) {
, ^1 v3 c2 C" d( l - printf("Device %s write error.\n", E2PROM_DEVICE);6 a3 ~8 v6 e& ^, G4 o( j4 f0 D
- return -1;" ?' D5 D" P9 L2 Z* k
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- return 0;4 e6 p# [$ o" u1 u
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- # V- n: g5 k+ d* V8 F9 Q
- int main()/ k: R; h( [4 @' E) O, j. i
- {
8 B: n/ \- }' `+ [4 \+ A) ~ - char c;
# O( c, _. Y' M" B# S$ ^: M% q - int i, macs[6];6 g" R4 n/ ]; |
- unsigned char mac[6];1 D5 O7 @8 C0 N
- unsigned char stbid[256];
# `( K) i( K- s6 X2 t
1 m: L5 ?# E; s; L, v& l3 y- if (readparam(mac, stbid) < 0)2 J. w! r- m( K0 r+ D6 Q
- return 1;8 p- @# n! g6 f) T f8 R
- : U% h$ {, p: D
- printf("Current parameters: \n");
% Y8 k' U/ j% S! r - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ o" K% o z. x: r
- printf(" STBID: %s\n", stbid);7 W8 c1 |& Q/ p% Q, @( C
- 6 ?& C( Y9 w. t) B- V, V* k
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");" l5 \, L0 p+ k: v$ n
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) k5 i! t8 B: A1 l. l$ d( u2 a
- printf("Input MAC error\n");
4 r4 U+ n. q7 ^ - return 1;5 k$ \% v* P7 f( O8 w
- }0 G' ]) H7 c; H
- for (i=0; i<6; i++)mac[i] = macs[i];
, [4 C8 ]" q/ i$ v2 E - printf("\nPlease input new STBID: ");( _5 S. ~3 x7 _' K7 z
- scanf("%s", stbid);6 b5 \( ^; x" z, t$ Y
- if (strlen(stbid) != 18) {
& K- Q6 ^# v3 [ - printf("Invalid stbid\n");
7 Q0 u0 [ y& `, F1 }7 q! }! B4 p+ Q - return 1;' v+ t9 R( Q) Q
- }
7 A$ a! t9 Z4 p! x8 N8 a; A - printf("\nNew parameters: \n");
" D/ A+ S* j; H! P - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 d% }, I' i, O, x% ^% u. ?& F - printf(" STBID: %s\n", stbid);/ @' e' g; h) z5 L7 x
- : a8 n, j/ C) O* m1 s$ o% _6 [
- printf("\nDo you want to change paramemters? (y/N) ");
v" f; \3 [7 L% s0 N; `; w - for (;;) { h" `, j$ |: A4 S5 W3 Q
- c = getchar();
& r7 B* j% R. Q8 n$ m/ v; G1 u# u - if (c == 'y' || c == 'Y')
]: U4 ?# A& n - break;8 ?1 K2 T" n) i( A" v/ l
- if (c == 'n' || c == 'N') {; {) P/ g$ E3 S: n, [6 _: a
- printf("\nAborted.\n");
* q: d! ^5 B/ W* l- C) { - return 1;
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- }4 S3 u7 Z/ f$ ]9 L: _% {; n
- if (writeparam(mac, stbid) == 0)
7 N2 L; k0 G: n1 j: R: ^7 h - printf("Parameters changed.\n");# Q+ q3 G- K! v% J9 B+ `# q0 X
- q9 i0 R; C" Y0 B1 X0 ?0 y
- return 0;
+ \* `0 G9 u" @ - }
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