本帖最后由 0522 于 2012-3-21 23:04 编辑 ' f) F' ?8 [& ?( `) N* X8 d7 M0 C
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修改的代码早有了。到今天不会编译。) G* f+ C% Y/ f+ F) B
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
4 I! q# o9 n# k( ?& z: E$ l; I - #include <malloc.h>
0 D4 A k5 ^/ H - #include <sys/types.h>6 Q2 S A: Y; B2 T) {$ Q" X' h! N8 D
- #include <sys/stat.h>/ U* b- w! j/ G$ T4 ?
- #include <sys/ioctl.h>% f0 F- _) g/ I, }6 g
- #include <stdio.h>
( R' `3 V- n9 M4 w - #include <string.h>* n+ S1 Z+ u* D1 w
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- typedef struct {) y6 W( P" @! ?0 d
- unsigned int e2prom_cmd_sub_addr;2 l5 w# K! Z- V8 {1 t
- unsigned int sub_addr_count;
9 K; i+ ~# J, h2 C' T - unsigned char* e2prom_cmd_data;
$ T8 Y! V9 ^* D( b& R - unsigned int data_count;
& G7 k$ h1 C/ [' u - } e2prom_s_cmd;8 L* w1 ~3 w' j/ i [- D
, M! m8 ^' ]) e& F. A9 h$ X, @- #define E2PROM_CMD_READ 13 j5 ]+ b% A! R/ J& s4 h+ S
- #define E2PROM_CMD_WRITE 2
- u* B) ^: ^7 \) Y) c" w; } - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)0 A0 a+ S! S5 |& g/ h: x( k- u/ o
- {
7 H9 u! U3 [: o" A0 c; d - int fd, ret;6 O t3 J* d/ F# X! r
- e2prom_s_cmd arg;2 k0 Y) v* c) v+ i6 O
- unsigned char buf[0x18];' U d' ]0 K3 @% s8 H `' {
- ( T2 Z4 I2 B9 z7 x
- fd = open(E2PROM_DEVICE, O_RDWR);8 B" U( F: X! j, s, K7 C5 p3 J
- if (fd < 0) {7 F6 X: ^. Y- ~3 M/ d
- printf("Device %s open error.\n", E2PROM_DEVICE);
- ~$ I3 m/ h( p0 [6 Q9 r& G - return -1;
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- arg.sub_addr_count = 2;9 g! Q$ O1 K4 G1 Y8 t+ b% @. ?
- arg.data_count = 0x18;5 s, {4 R2 C5 B7 X' N% I1 H3 A
- arg.e2prom_cmd_sub_addr = 0x290;
4 u. R; J5 J7 q+ t7 d- c - arg.e2prom_cmd_data = buf;$ e$ y/ N# I1 x# v' i. w( K- P- K
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' m7 ]$ t4 b8 @# ] - if (ret != 0) {
6 O4 b( N* T9 g V$ J - printf("Device %s read error.\n", E2PROM_DEVICE);5 w2 N a8 O& u: m3 L# G, V) T) E
- return -1;
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- memcpy(mac, buf, 6);
; X: f# f* _2 r7 q) O" @) ~ - memcpy(stbid, &buf[6], 18);
7 }) Z* C0 C. O7 N! ?- r8 _$ g - stbid[18] = '\0';; A' a& z( {5 {) V9 P) P0 u
W& a# Z3 }/ K$ o) ^$ ?0 R5 m/ C- return 0;3 `7 U# z3 _* A1 s& z( J7 Q: L5 m
- }
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7 Z& S2 I/ g; r# Y# I4 {3 | s- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;; ^' k# S# e2 A7 X
- e2prom_s_cmd arg;: t" [2 B9 u8 N* R- P: Y- h A+ X
- unsigned char buf[0x18];
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, N3 Q2 t6 n. d- memcpy(buf, mac, 6);& C( [6 t# O* c
- memcpy(&buf[6], stbid, 18);
3 t8 ?( V% a/ z' x& C - fd = open(E2PROM_DEVICE, O_RDWR);; w& f# ?. M! n
- if (fd < 0) {
4 V1 t) c' F. a% ~ - printf("Device %s open error.\n", E2PROM_DEVICE); T5 U. q+ s k: ?! }+ N% s
- return -1;
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- arg.sub_addr_count = 2;
: p/ ?% N3 _3 ~; z6 S7 ] - arg.data_count = 0x18;7 Q* y+ H" k% F; {
- arg.e2prom_cmd_sub_addr = 0x290;
( V9 ]( ~, O* S6 L; L1 M9 N* } - arg.e2prom_cmd_data = buf;
( ^ U0 I! e' G X - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);# [7 `4 h6 h, x# F- Z: [2 C; \
- if (ret != 0) {; e7 |0 Z3 W, m2 M6 }" v' U
- printf("Device %s write error.\n", E2PROM_DEVICE);
; J, H, {( i; b2 ^/ n" G' u3 X - return -1;9 `8 P9 o( r" b2 G' V9 R
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- return 0;; A- u% \7 x: ~" D0 u
- }
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* J* C; @6 u# M7 u) S) z9 C, c- int main()( ]' x# ~6 x9 c' R/ N- \
- {
) H! k( g: X# h5 K - char c;: T- t+ j6 [/ }
- int i, macs[6];7 j# A6 }( W4 x3 R( X$ T
- unsigned char mac[6];9 W, \- `# _! W( y: v# @" P
- unsigned char stbid[256];
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; i& ~# z# C) n% V- if (readparam(mac, stbid) < 0)
& m- L( d: \6 i; z - return 1;
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- printf("Current parameters: \n");6 o# X+ r& b' b* `# }8 c% N
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' w% }" ]. k* B7 o
- printf(" STBID: %s\n", stbid);" ^" F9 a( B" g g/ A. B& C
-
5 q% z1 K- [8 A4 {* u9 \' L2 \, R - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
h: J" Z( P8 L' I/ f6 S6 I/ E - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
) x, N. n8 @: H& ^* C - printf("Input MAC error\n");
" r: w7 G8 G$ n- S$ ` - return 1;
3 }$ L k& E4 G# d6 c - }
* O* F9 Q% ?# i: {" f( u - for (i=0; i<6; i++)mac[i] = macs[i];
3 R3 d+ T( e! N1 @ - printf("\nPlease input new STBID: ");
% J2 }4 j* g0 Q5 e: N - scanf("%s", stbid);
" {7 \! B. O' X+ V' q7 X& c) v - if (strlen(stbid) != 18) {1 L1 |/ Z' ^$ h- R4 g' i! M8 n
- printf("Invalid stbid\n");
6 B" W. i9 F P3 @9 \ - return 1;* G) d1 u; u& L& a$ n: N
- }
, a# F. t/ l9 t - printf("\nNew parameters: \n");
3 Z) u Y8 A0 l7 V! o; g0 e. g - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ Z; U7 O8 L3 ~- D6 `
- printf(" STBID: %s\n", stbid);0 U) Y7 H+ w1 S6 p3 u. m
- 7 C5 I- B9 P4 M* w
- printf("\nDo you want to change paramemters? (y/N) ");
+ ?; v' ]- r; M+ W* ~; v - for (;;) {7 y4 b4 J- N6 C
- c = getchar();
' U( f; h8 v# Z - if (c == 'y' || c == 'Y')9 k- D* R. O7 ~. F* p) ~
- break;
# z6 k, X* Z5 z$ R* a - if (c == 'n' || c == 'N') {
7 U6 F1 \- g: z8 F# p8 D9 A - printf("\nAborted.\n");
& U$ _; M' k% \$ {5 w7 w% q - return 1;' R* v( A6 }" c3 k: K. Q" n
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- if (writeparam(mac, stbid) == 0)
' p' W. |( A, r+ z8 u9 j/ _ - printf("Parameters changed.\n");
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- return 0;
7 _+ I! \ Y5 T# u. c7 Y. ? - }
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