本帖最后由 0522 于 2012-3-21 23:04 编辑
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& X- U+ U3 G' t. G- G修改的代码早有了。到今天不会编译。0 S. J }9 O# A# j
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% O: J4 @5 f. k: \; g% e$ q' P; s - #include <malloc.h>3 U1 i( H! c1 z! O' }! U
- #include <sys/types.h>6 `+ K4 Q( }& t, _+ Y
- #include <sys/stat.h>7 X: C+ _4 R. ~5 S
- #include <sys/ioctl.h>$ @5 K8 W) y6 U* j
- #include <stdio.h>
( B( c8 Y8 V8 V+ o& l% U, r& _: \ - #include <string.h>" o( D; Y; G, Q% E( E/ X
: A! h% b3 d6 C) q% Z- typedef struct {- Q& n8 r: @& \, y7 L8 B6 m
- unsigned int e2prom_cmd_sub_addr;
! T0 Q( `9 T+ _6 {, g! Z4 a, ~ - unsigned int sub_addr_count;
9 Y8 |3 G" L& F$ A* W) ?2 k9 \ - unsigned char* e2prom_cmd_data;
% v; f0 \; ^+ L - unsigned int data_count;
) U+ @6 z- Z$ p" C/ j - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 14 O& I, w- Y7 w
- #define E2PROM_CMD_WRITE 2 ]5 t, F5 ]' u8 B
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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9 {( q, X+ e$ K0 E- static int readparam(unsigned char *mac, unsigned char *stbid)
@# }, @+ F% Q0 M - {
+ F2 B, c4 s# G( D9 E6 u - int fd, ret;
2 i) L# B6 N# v8 A% Q - e2prom_s_cmd arg;6 |; c* c5 D6 m
- unsigned char buf[0x18];
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' u! N; c! P5 n3 r* d+ g- fd = open(E2PROM_DEVICE, O_RDWR);6 ]% r. I7 w( v" ?# d; P+ B
- if (fd < 0) {6 |7 a3 g9 s) F' a
- printf("Device %s open error.\n", E2PROM_DEVICE);& j' D7 y0 z9 Q/ g, ~3 }9 Z
- return -1;
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- arg.sub_addr_count = 2;
9 t! q( a( x0 `* J* e4 g' U - arg.data_count = 0x18;
! B# L7 @! F% Z7 C - arg.e2prom_cmd_sub_addr = 0x290;) l: U" Z5 a* g" @7 e
- arg.e2prom_cmd_data = buf;+ y+ l$ q/ J, g
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
; W5 r+ r5 e/ R: v/ ~+ |2 X - if (ret != 0) {
3 B _1 `: }9 p+ i& S; r - printf("Device %s read error.\n", E2PROM_DEVICE);
+ b) Y9 i) s+ F/ g6 x, N- i - return -1;
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- memcpy(mac, buf, 6);
9 Z0 Q7 q( u Z) Z% c; ?' m& j - memcpy(stbid, &buf[6], 18);7 ^3 v# E# w4 [0 m* S& R" f
- stbid[18] = '\0';0 Q6 G R! Y* k5 s9 p. v
* c& L; G5 q" Z% J# q7 E- return 0;
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- ) h9 s* K. H, K$ M0 ]3 M
- static int writeparam(unsigned char *mac, unsigned char *stbid). l- D S+ V) O
- {9 g: [6 d$ X! r) e8 j
- int fd, ret;
7 q9 t6 e+ g8 E4 h* V! s - e2prom_s_cmd arg;
: R5 V" V5 ]' I: y$ z - unsigned char buf[0x18];3 y" H* G+ r" q% N6 A; {6 I& I P s) j
* B6 U. l( B& c6 c6 X( }4 _5 s) U- memcpy(buf, mac, 6);7 H- f5 y0 O k. ~/ T
- memcpy(&buf[6], stbid, 18);
) i8 I V. R4 [* e - fd = open(E2PROM_DEVICE, O_RDWR);9 b3 U. E8 y; i8 A1 l
- if (fd < 0) {# r; H/ Q9 p, Q. J H+ h% {
- printf("Device %s open error.\n", E2PROM_DEVICE);
8 j! A! C; |& {: n" n5 |9 G* r - return -1;* K" S5 R* E; b& _
- }
7 x8 H9 z& M" q! N- r - arg.sub_addr_count = 2;' {: t6 a, v7 C6 k7 l9 ?# P# N1 i, C+ f
- arg.data_count = 0x18;
0 H, k0 J$ K/ g6 ]0 l - arg.e2prom_cmd_sub_addr = 0x290;# U8 O: L& k, w* c$ [$ h
- arg.e2prom_cmd_data = buf;, L& C, u* O" Y# H* V, b) Y' A3 ^
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 q4 C0 R: g. T
- if (ret != 0) {* X. d) i' ~7 l. \) L6 g. W
- printf("Device %s write error.\n", E2PROM_DEVICE);9 N" @& c& e7 x: b/ o4 i7 K
- return -1;
" ^2 }% V3 `" R - }
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- return 0;8 m/ U D* P* i/ [: R/ _) k {
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- int main()) P% E# W6 Y' S s6 K' ~8 D
- {
, b& V7 b3 _/ E4 V( S( P' z - char c;
6 ]8 {* p: m+ E+ {; H/ R) S. z - int i, macs[6];
) U C8 ] O2 u X6 E6 a - unsigned char mac[6];
8 y. }4 h/ ~" i$ P - unsigned char stbid[256];2 d6 \- z; A) }" W' h8 Q! M/ V
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- if (readparam(mac, stbid) < 0)# ^$ D( [4 P: D5 h
- return 1;
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- printf("Current parameters: \n");
5 K- z: n: N9 `/ E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( [ I5 N' ?' I+ [ - printf(" STBID: %s\n", stbid);
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~# j! S3 e, W+ V - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
3 y8 q1 T4 N0 u0 T2 H: ` - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 o4 l- k! W- n% S; _1 S4 m; U - printf("Input MAC error\n"); J$ P$ X& @* I, N- a
- return 1;
# @6 B& u) l. Q- I; |; D! D4 X - }
3 B! n; c4 |4 a( C; l# H7 F" ? - for (i=0; i<6; i++)mac[i] = macs[i];( Q8 E( K1 w- P* O! a
- printf("\nPlease input new STBID: ");+ y' @7 ] G/ z. F
- scanf("%s", stbid);
* s' ?/ C8 L; U5 I0 G7 s2 A: t, ~2 l6 V - if (strlen(stbid) != 18) {* H; E g. Z; M# L8 {. B* z
- printf("Invalid stbid\n");
3 Y; K- n# o8 O$ O9 y - return 1;$ d+ K4 k$ J, `
- }
* O1 F6 X! J& N Q& ^' o - printf("\nNew parameters: \n");" X+ m( M! | p/ F% f- d
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 @' {$ l* N7 a( y, P
- printf(" STBID: %s\n", stbid);, ]/ G G- y# z
2 J7 O- e4 Q6 q! X' Z% T3 k- printf("\nDo you want to change paramemters? (y/N) ");
; t2 b8 I/ F. p; l - for (;;) {
# G- P$ ~4 e# S# I - c = getchar();
! y7 S! y6 n* y( P4 ~, V% x" X, D - if (c == 'y' || c == 'Y')2 D* k, c; v, q1 M1 e! C) } Z
- break;
- s) `+ j& O7 S3 @+ W - if (c == 'n' || c == 'N') {
3 V# k+ G4 k: @" A3 [ c) R! K! Z - printf("\nAborted.\n");2 j2 d) t! [" W' t
- return 1;" |, v& Q" f3 c5 T) ^
- }
+ S0 _' t" N) [5 F6 a& } - }
; H" a" }2 u, D( n: f4 r& S& e9 Q - if (writeparam(mac, stbid) == 0)
$ }6 M: n: S1 I8 ~! ?8 _4 y( X( F - printf("Parameters changed.\n");
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- return 0;6 S' u6 |- I$ k. u2 `5 N
- }
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