本帖最后由 0522 于 2012-3-21 23:04 编辑 ( @! V$ x7 Z8 L6 I& }
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修改的代码早有了。到今天不会编译。
" N. j; X6 z+ ?8 l/ N- D+ z2 I需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: l6 r/ C n7 _$ N- C1 `! u' X
- #include <malloc.h>6 S( E7 K7 S$ [) s; F$ o
- #include <sys/types.h>+ r$ }: l, B3 C( d1 `* ^6 x
- #include <sys/stat.h>
6 d( k1 G- E3 v4 u$ Z. R) B - #include <sys/ioctl.h>
: V) W) ~$ _6 {- b7 k# s3 C9 E - #include <stdio.h>( U* {, @5 z! Z! P
- #include <string.h>
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+ J' r" D/ @! c# _. ?# I- i: I- typedef struct {; L; m% a: T# F: P8 c( d" h! L
- unsigned int e2prom_cmd_sub_addr;
! {! k- O8 G! e) Y2 i - unsigned int sub_addr_count;. |$ ^; a! J$ l0 r# t4 |$ l( G9 W
- unsigned char* e2prom_cmd_data;, M: p1 j( M) Y# u( K
- unsigned int data_count;% e5 ~) }, n7 l& c; C. n) w
- } e2prom_s_cmd;
: s. `: a4 {. U0 s4 G ?% H1 @: r3 T - 3 E1 {& [" \" N1 S9 ^) D
- #define E2PROM_CMD_READ 1
" D! x& r5 j1 T# k% ^# e' p2 Z9 t - #define E2PROM_CMD_WRITE 2/ V' O7 z3 E% {. a8 K; Q2 h
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16": ?# H% v0 S, v& a, j( o+ x2 q6 a
6 J, x }& [/ ^7 G4 k& x- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;( @. T) [3 B$ h L1 T% D; N
- e2prom_s_cmd arg;4 L- b d# l8 i) [/ b4 W
- unsigned char buf[0x18];3 |! g+ E! j6 w. U8 j
1 ~2 u0 B4 I) T- fd = open(E2PROM_DEVICE, O_RDWR);: a- l: {5 E8 T2 b Y5 ^& V
- if (fd < 0) {
* y8 y$ m N5 Z7 \# f5 B0 J' z - printf("Device %s open error.\n", E2PROM_DEVICE);3 r% ^/ z q& F( }9 t- O( j6 H
- return -1;2 z, l/ U/ W7 }! U
- }8 j5 m' e0 } q+ `; S+ w
- arg.sub_addr_count = 2;
3 @. z! P- D8 O/ U3 b - arg.data_count = 0x18;3 @9 |4 W$ c* b: S# [/ `7 J
- arg.e2prom_cmd_sub_addr = 0x290;
, P N0 c+ F" {# L, h - arg.e2prom_cmd_data = buf;
* J9 K9 c5 f! ^$ j0 V6 m - ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 t! W f5 v# N& Q( f7 p+ {! J
- if (ret != 0) {
4 {5 e; l& ?& V- J5 H! J/ } - printf("Device %s read error.\n", E2PROM_DEVICE);
' X& z" ?9 v( u - return -1;
0 T9 K+ z7 C: n# S. k - }
! S* `8 K) e" F - memcpy(mac, buf, 6);5 A9 c+ m. u6 a. b1 U3 K6 E; A
- memcpy(stbid, &buf[6], 18);# E* ~7 q5 }) I4 R5 r- J, ?* ~# g
- stbid[18] = '\0';
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- return 0;- e% I" j! M* i G9 G: q, c
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 o0 y7 H* p, ?" A- M' b! |- v - {
, X: k1 u8 q3 K, B4 l. ]# g - int fd, ret;
$ A: h! P. I5 u: B4 @2 ^1 L - e2prom_s_cmd arg;( U- V* E1 L, w! _
- unsigned char buf[0x18];& i4 r7 }( J& q& w4 v
) o$ Z- i7 l A% g0 g2 r+ R- memcpy(buf, mac, 6);
# @. o! b8 T& T - memcpy(&buf[6], stbid, 18);
' n1 O2 _1 y$ a% n& [5 Q' J - fd = open(E2PROM_DEVICE, O_RDWR);
/ J. O. J9 M- e/ s5 R7 X - if (fd < 0) {
) g% l$ [" d( s6 m( @! U - printf("Device %s open error.\n", E2PROM_DEVICE);
: h' m* k9 L3 S- p) { - return -1;
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- arg.sub_addr_count = 2;1 R1 C; C I9 W
- arg.data_count = 0x18;* z) H0 W$ q0 k; _# v+ Q- `7 w
- arg.e2prom_cmd_sub_addr = 0x290;1 q+ B; V! E* J) K0 Q
- arg.e2prom_cmd_data = buf;
7 O6 R5 \4 Q1 k; L1 D - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);7 x" Y& m( M" m! E, o3 k4 a
- if (ret != 0) {
/ p: F+ i8 |7 e - printf("Device %s write error.\n", E2PROM_DEVICE);* a, g& V( Z. Y Q6 g
- return -1;
7 K1 [: X3 [* q- s9 p G - }
+ {1 `7 ^7 W1 B2 n$ s - / ~( m. Z2 F( m, t7 G& d
- return 0;# k+ K9 \0 l+ x
- }
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: j3 p- {0 G+ G/ S9 t# ^- int main()7 u; p. [# O; n; u6 \9 V5 j
- {
9 ^4 E2 d$ b! R* ?& h( H2 [ - char c;
( {4 Q6 [* g+ _0 P( t9 G - int i, macs[6];
; G" W: J3 y! `% g& i/ [/ ~+ | - unsigned char mac[6];0 t$ @- N! q8 h1 w: f1 |& Y
- unsigned char stbid[256];7 K5 ]% d n$ c, X5 P* b
- : `. ^3 G4 ?: g5 W
- if (readparam(mac, stbid) < 0)1 w0 Z( z3 B, j9 G* {
- return 1;
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/ v9 y( t# K' G0 y3 h: {: W5 j1 b- printf("Current parameters: \n");
( G9 i$ z; I ?9 c; `2 e( ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* q5 b" e/ \- \2 C! M' h4 R
- printf(" STBID: %s\n", stbid);0 Z9 }# u! R; n3 r9 _
- : A' ` ?# p7 V* u
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");& j* U" A$ N$ \8 u3 i8 ?: S
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* o1 Q; P! L5 q) I2 y" P3 }& P! K - printf("Input MAC error\n");- w) ~5 u: y+ ^: a
- return 1;( m" }4 e' S3 J( P6 u
- }
: u C0 F5 k0 L) G2 n6 i - for (i=0; i<6; i++)mac[i] = macs[i];
1 S+ P* Z, P7 b$ t7 F: C - printf("\nPlease input new STBID: ");5 L4 z4 U5 ]9 ^' A7 Q
- scanf("%s", stbid);
# G; K; a" X- w1 D% B5 F - if (strlen(stbid) != 18) {
7 Z U' Q* {& K: w2 } o% v, U/ P - printf("Invalid stbid\n");6 K2 `' c" F, C ]$ P, M
- return 1;* m( m: D7 c0 A9 m
- }
& k* B7 u/ J; ]: t% z - printf("\nNew parameters: \n");2 b' N+ e! {2 _! p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 |# U# Z* l$ D% ?. ~3 T
- printf(" STBID: %s\n", stbid);0 H+ x$ }1 r) R5 d! }5 N
- ; K) `" G# a7 v8 P* E
- printf("\nDo you want to change paramemters? (y/N) ");
0 L7 N/ d+ z6 x1 u1 K0 s6 J - for (;;) {
- H- @' w2 \* Z! Q - c = getchar();
3 a/ n: z7 h: ^% Z4 E: Q2 } - if (c == 'y' || c == 'Y')4 C- G6 z/ n) x
- break;
* ^- d( Q. w3 F. l; ? - if (c == 'n' || c == 'N') {
6 J6 o; S1 ~5 p' C" X" g1 V - printf("\nAborted.\n");
/ k4 N; q$ B8 a: L' B* ^1 R - return 1;0 d4 K: Y: v$ ]5 F5 _& L: U
- }
6 @0 A6 ~% x* X* a8 S) d - }
6 i* }/ |* o# `. p$ r* w9 O - if (writeparam(mac, stbid) == 0) 3 k; s6 }3 I% u( z) i3 _
- printf("Parameters changed.\n");6 V3 e. g8 a/ B) e: l3 H
- & e( i+ x) T, j
- return 0;! \; B. R& n# P: T1 J
- }
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