本帖最后由 0522 于 2012-3-21 23:04 编辑
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+ d. C; W& y$ Z$ o1 M( S修改的代码早有了。到今天不会编译。
5 E& Y+ F/ a8 w4 u+ U需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# G4 {& ?+ h+ R7 a6 b0 E - #include <malloc.h>. T" P7 C: a9 [6 l; d1 a& ^
- #include <sys/types.h>
$ y8 Y4 W- e& H0 \1 I: Z - #include <sys/stat.h>: ~: }, \# S5 b6 Z- X
- #include <sys/ioctl.h>8 u3 K9 D. R* V. H5 j
- #include <stdio.h>! |' L) w6 U, G0 Z
- #include <string.h>$ t; p. p& g# O
3 k2 Y0 D+ V( V% O- typedef struct {( o9 _7 E2 _7 z
- unsigned int e2prom_cmd_sub_addr;
& E5 J7 J7 ^7 k* |7 I - unsigned int sub_addr_count;! m+ S' w7 \% A
- unsigned char* e2prom_cmd_data;
3 o. k j3 \2 t" x - unsigned int data_count;
- L) T* b0 x' S4 n% _ - } e2prom_s_cmd;( a" a" h2 a1 M8 g6 b9 l0 r
- 7 A! S# b5 ]7 B) ~; @
- #define E2PROM_CMD_READ 1
$ W6 [, s3 y+ q0 v - #define E2PROM_CMD_WRITE 2
0 e4 a" Y) P; j5 T# j - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 \& {# a. i$ T$ x" s2 b+ m7 b
- 1 O7 y4 W) w( a/ \0 e0 d& C! ^- E
- static int readparam(unsigned char *mac, unsigned char *stbid)$ C) a/ m+ l( @$ Y
- {' f1 _, [# S/ ^/ e/ O
- int fd, ret;0 \5 L( g3 C0 Y
- e2prom_s_cmd arg;
' y1 O0 m9 [( `9 e$ T - unsigned char buf[0x18];: F/ j# H6 \& v9 K
- + p' \; x& t4 s
- fd = open(E2PROM_DEVICE, O_RDWR);0 ?, h* V$ }! Z; C; r% g7 S; z3 L
- if (fd < 0) {
+ P8 T! p2 ~" O3 u - printf("Device %s open error.\n", E2PROM_DEVICE);* k9 W& M, C$ s- L+ p' R
- return -1;
4 u0 [- D* a( x7 u5 B - }
8 x- g, o- [# V2 X; K - arg.sub_addr_count = 2;
& G# I& B* E! ]& U) G- ?2 v - arg.data_count = 0x18;
( x9 \+ s& |/ s7 ? - arg.e2prom_cmd_sub_addr = 0x290;
; Z& _: n/ g0 m( P1 w; o - arg.e2prom_cmd_data = buf;
l7 B! N8 S+ Q! n c/ R9 f - ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ O3 m- v) l* j
- if (ret != 0) {6 J- Q9 `2 W: G5 e
- printf("Device %s read error.\n", E2PROM_DEVICE);
( h9 p% A. h$ o1 U3 n W0 P1 X8 S - return -1;! k9 O$ E/ {* r% |
- }
+ \* k2 ~' ?& S - memcpy(mac, buf, 6);
5 W+ H& {8 W: C4 M( s - memcpy(stbid, &buf[6], 18);
6 D. J( z; a8 Q! o7 K - stbid[18] = '\0';! z. o0 \7 y2 c8 {# @5 [# k$ ^
6 o4 k1 z! k* ?! R( x \- return 0;8 T& o- H) H0 h- h H3 J
- }
3 ?2 [- V6 H& O+ j3 s" R8 z
" N8 L4 P' @( D9 f+ A% V( H- static int writeparam(unsigned char *mac, unsigned char *stbid)
4 Q- V( `4 M( W* p8 ] - {- y8 _1 T$ Z4 H$ k
- int fd, ret;
. p' ^! M) Y& A( K# F9 ^* k, w - e2prom_s_cmd arg;" J% l' o+ z4 x4 n- e& j1 n7 ~2 r% R0 d
- unsigned char buf[0x18];: m- q$ T. x3 {3 c9 M
- 5 A. p# g6 g3 J5 F- f1 D
- memcpy(buf, mac, 6);+ K) ^- K0 s+ q3 @1 E: D( O! ~
- memcpy(&buf[6], stbid, 18);0 H6 m% ?& G( s$ U! d1 p
- fd = open(E2PROM_DEVICE, O_RDWR);, \% F- _: L3 I7 B- R
- if (fd < 0) {
, {( b$ y, }( {2 D: B$ l - printf("Device %s open error.\n", E2PROM_DEVICE);
1 Z7 F/ }; h8 F# G$ I$ M4 \ G - return -1;; Z, t: F% O" {9 g# V$ _
- }: _ F" q$ z2 ~5 p8 \
- arg.sub_addr_count = 2;$ m8 N0 w/ J6 E# O
- arg.data_count = 0x18;
1 ]0 i. Y' N+ h1 c - arg.e2prom_cmd_sub_addr = 0x290;
3 D; Q3 v q+ A, U& S2 a- q# _ - arg.e2prom_cmd_data = buf;2 V3 y; V( \ u/ @4 @# t
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
' ?8 l9 Z/ F& q p' y - if (ret != 0) {, t; ?* n3 }. Z. R5 i+ M5 {+ m5 Y8 \
- printf("Device %s write error.\n", E2PROM_DEVICE);
) J" ~9 R9 z" T. }- i6 W3 E0 M - return -1;$ ^- R: {* e9 D3 w- s' K) X
- }( s, E; A5 y$ C5 Q) f
5 K3 U. j& D, S- [- return 0;
- k7 }* h" J0 } - }
7 Z4 M9 ?4 c6 n+ G" n - & F+ l5 a1 w0 H1 ~. }
- int main()
% G+ t' i$ U, I; X/ C8 l - {
) p9 z: n& O+ `- D. L# h8 ] - char c;: n: V2 o+ @5 t% x3 p% M" [
- int i, macs[6];
; A ^# e1 ~& P2 _. z - unsigned char mac[6];
$ |! z1 ^ e l. {. | - unsigned char stbid[256];3 d, p5 \' J" b. A& V; V4 |
- 2 P# b0 @. B4 g. ]# v% P
- if (readparam(mac, stbid) < 0)% g7 e! N3 ~7 Y# @; J5 Y. D! y' {
- return 1;
7 E3 M8 O, j% ]: a8 R - 4 N/ |0 z# j* z! `7 ]
- printf("Current parameters: \n");
; j% w8 `% n; L' q- q. a - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! p# h3 ^5 _% M- w7 K( x - printf(" STBID: %s\n", stbid);/ \ V8 L3 J& Z$ u5 G% ^) V
-
- V) p1 M8 E. y6 ]: H - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- |( |2 C; Q+ k0 l$ ]% }, P& T) d - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 {1 P) K. H/ p U7 d0 C8 m
- printf("Input MAC error\n");
+ ^% x* [# K, B: [. L" K - return 1;6 P) j& ?. r1 w9 Q# ^
- }$ P+ |/ H, C+ k1 g" i2 l
- for (i=0; i<6; i++)mac[i] = macs[i];
& P! \/ Q s% ^, c) t8 P* c - printf("\nPlease input new STBID: ");' H# u0 o9 B% y
- scanf("%s", stbid);
7 Q# | h$ i4 c3 ~3 z0 Z. f - if (strlen(stbid) != 18) {- O8 n4 L" y9 q z* ?' M
- printf("Invalid stbid\n");* b1 T J, O* x0 e
- return 1;
" m' S3 O/ W) v/ P/ @) B2 J8 P p - }" N& A( a w8 @7 s2 U4 z0 }
- printf("\nNew parameters: \n");
/ Z9 a' w( t* j4 \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- U# E( ~. c. `( @ - printf(" STBID: %s\n", stbid);
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# s9 E, _% D% [/ y5 ?- printf("\nDo you want to change paramemters? (y/N) ");. T, U2 p' |2 z4 g) d R- P/ r
- for (;;) {8 O: q/ r5 w! b/ k, z) u, a9 w
- c = getchar();
- H) }, K, @+ y; Q4 f: [$ J - if (c == 'y' || c == 'Y')
4 ]: C* p% |$ z' v3 m7 G - break;& Z" ?. M$ L* Z, T
- if (c == 'n' || c == 'N') {
4 {( ^+ U( J4 f - printf("\nAborted.\n");% @8 T* c2 P% @6 W5 P" S2 k
- return 1;" a! \* n/ F) [1 G
- }
) }) Z( H" S- J! R! I( l - }" @2 D1 U& @! u
- if (writeparam(mac, stbid) == 0) . S( C# X1 w0 Z# u/ V1 o
- printf("Parameters changed.\n");
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& o" o0 @4 d2 s3 n) l# Z! G) }- return 0;, I" n; D) }( Y9 ~1 v; g5 W
- }
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