本帖最后由 0522 于 2012-3-21 23:04 编辑 & `- ^6 j9 U) ` z8 ], a
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修改的代码早有了。到今天不会编译。
4 N5 f" L2 n7 ?( b/ S需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
. {, \0 p4 n4 h4 U - #include <malloc.h>
& X% Z3 X, D+ ` - #include <sys/types.h>* C) @9 A/ L" Q$ z( B& h
- #include <sys/stat.h>
- I# u$ H" O7 R8 R3 f - #include <sys/ioctl.h>% W- |+ U% z. [, h, u! A+ a/ f
- #include <stdio.h>
( c$ x0 j4 m# H$ D7 Y - #include <string.h>( T. q9 a+ r& S* K
, w' u5 s9 }; |- typedef struct {
' t+ n. N) R4 P7 }& u - unsigned int e2prom_cmd_sub_addr;
. P' e; m) X, l - unsigned int sub_addr_count;
$ J8 o; l( T0 f: F. k' J# U* q - unsigned char* e2prom_cmd_data;
, X% p1 x5 N) d, L( K - unsigned int data_count;( V* e% k# d& ~0 P' j
- } e2prom_s_cmd;1 e) Z5 P" `2 a* S; A5 B8 T P
5 }) I$ ?* |. o- #define E2PROM_CMD_READ 1
% j* }" ]# k% `, e - #define E2PROM_CMD_WRITE 2
! T9 X3 N) u o- G; [7 j" Z! { - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
% g) N% C" ]3 `# q; ]* W% T$ b8 ~ - {4 F, L$ H( |4 Z, U1 y8 x
- int fd, ret;1 s _) z. b1 T( t: h
- e2prom_s_cmd arg;) ?% W9 l% l8 f" _' U
- unsigned char buf[0x18];( a. [* [( f* w
- 7 b3 X, u* O) X P( [% i
- fd = open(E2PROM_DEVICE, O_RDWR);
J3 I$ ~! u0 w5 |6 t0 Y - if (fd < 0) {( t2 `% }6 U- [
- printf("Device %s open error.\n", E2PROM_DEVICE);) W; l5 `6 t) E+ U
- return -1;
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- arg.sub_addr_count = 2;0 z$ C0 h# l# z2 A9 a( {7 u* x
- arg.data_count = 0x18;1 T, S! M, L* L
- arg.e2prom_cmd_sub_addr = 0x290;4 o8 r4 ]4 g# \4 O5 K( V. Z
- arg.e2prom_cmd_data = buf;
6 ~, ^. [1 x" E- [8 i7 i( Y% J f - ret = ioctl(fd, E2PROM_CMD_READ, &arg);, h% |7 F8 ^3 \( S( C V1 G6 ^: n8 A
- if (ret != 0) {
1 N6 H m. s! c2 T9 U$ T# @5 H! Q - printf("Device %s read error.\n", E2PROM_DEVICE);, W& s6 G) B, t/ S
- return -1;
3 F: w& `% P& M' `; l6 V4 y3 ~$ J - }
. Z# p/ b+ ]/ m: K - memcpy(mac, buf, 6);9 F$ `: b& ^8 h) e- d( J4 L
- memcpy(stbid, &buf[6], 18);9 U! f- a& ^- N/ ~1 Y/ D r9 A
- stbid[18] = '\0';
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$ Y* G9 {, }4 f4 u- return 0;) @" w% G# z5 C4 C! }- D
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1 F. t0 ~+ _9 H( T- static int writeparam(unsigned char *mac, unsigned char *stbid)
- z% d) H |) } - {
& R% I. b1 d; V" U% a# W - int fd, ret;
: R2 L# _/ h7 ~5 O% J1 Y d* ` - e2prom_s_cmd arg;' ?7 `$ `5 O( m* } l
- unsigned char buf[0x18];' j5 s% ^/ A7 F' ?% b1 Y
2 }# c* E/ c9 p" a8 n- memcpy(buf, mac, 6);
+ b1 T9 a+ {) n - memcpy(&buf[6], stbid, 18);1 [# _% H( w6 r, s. N" q# Q; c
- fd = open(E2PROM_DEVICE, O_RDWR);$ m% t- Y$ E1 J; @, F
- if (fd < 0) {- p# E. C3 N! r8 L6 ^1 I- ]6 p
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ e7 G2 b, L. ]1 y# S! y! | - return -1;
4 ?& r! w' {' u' ]( {% _# k - }
8 V: y4 q' `% Y5 E" s - arg.sub_addr_count = 2;% C! S0 S5 V3 n; G1 l. }
- arg.data_count = 0x18;
; i W( ]; S }' p) j - arg.e2prom_cmd_sub_addr = 0x290;8 B( Z+ M/ V$ l- I
- arg.e2prom_cmd_data = buf;4 [- n- e' c+ S2 i% B! ~" Y
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 E9 G! [- {* W. ?6 h5 X
- if (ret != 0) {! {! m6 o: s* `7 w/ i
- printf("Device %s write error.\n", E2PROM_DEVICE); ]- w+ [' c) f- ^
- return -1;8 u1 ]: s# |# n- Q) s
- }+ P* v9 Z+ L, C0 i5 v# q
- ) a$ w8 y9 s+ [2 V
- return 0;
) S2 x% S0 X0 U r4 w: r - }
8 `( Z& a* P( g( ^
+ K0 ^! `+ F }5 T# w. C- int main()' k( X/ S' Y$ D+ m$ W% X; \4 g- s4 v
- {* P6 x, J' z2 E; ^0 Q% ?
- char c;
- i4 D: J) X/ ^. N8 ^' h - int i, macs[6];6 N; O& w# D1 o( ^1 D
- unsigned char mac[6];: w2 ]: c5 r5 U' Y" Q8 A
- unsigned char stbid[256];9 M! P2 G9 v) v1 O% ?
- 2 B8 G! G, z% K( j7 u. i
- if (readparam(mac, stbid) < 0)
5 k! C/ Y8 m( r) {0 H! I - return 1;! `% q1 r; o$ T# i* z% Y1 J
. c5 C3 q/ S% t5 h$ P. \- printf("Current parameters: \n"); _9 a6 p2 E) \, s/ ^0 }4 Z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. X( q7 J& w: n/ m
- printf(" STBID: %s\n", stbid);
4 |2 A X1 Y* \ -
. G9 ~- k! N. z+ @) b5 W - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% @( _) X* J- p8 Q, q - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 ^" u# f" j# [4 N8 C$ V
- printf("Input MAC error\n");6 Z- J$ ^% Y4 f2 o+ p* e* B
- return 1;
_) F! S, P: B - }
; W* H" G( d/ w- _% v$ N! g - for (i=0; i<6; i++)mac[i] = macs[i];! D: b. y. O. b( C4 b3 R
- printf("\nPlease input new STBID: ");) s, s; d1 T$ J9 q
- scanf("%s", stbid);$ n6 l6 r1 B/ N' |
- if (strlen(stbid) != 18) {. s9 j7 B# p% @5 M1 E2 x" Q0 {
- printf("Invalid stbid\n");
; B) V' z6 j+ L# V4 Q8 s" Q: E. J( ] - return 1;# f o2 X! _- C+ q; M
- }
n: _( x' o: n/ {6 | - printf("\nNew parameters: \n");
7 e' L, x* p3 p$ \) ~7 @7 N - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 `- C- y+ ~# i2 `' y/ _) C
- printf(" STBID: %s\n", stbid);6 v* C& Y% l3 c5 d) _
- 4 z0 y2 r/ b& i% }
- printf("\nDo you want to change paramemters? (y/N) ");
8 u- n- r: |6 u - for (;;) {
7 k3 X/ o' S% t! w2 H+ j - c = getchar();
3 l. ^# t: Q, v$ H$ H: t% o - if (c == 'y' || c == 'Y')' H2 l7 c! s# K. C5 X
- break; P) J( G/ j9 L# _+ }1 F7 r
- if (c == 'n' || c == 'N') {: z1 w; ?" E8 f- O
- printf("\nAborted.\n");
1 {- E5 j8 f$ h. G$ y% d# i0 U - return 1;
2 R) T2 o- s% D4 K - }
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- if (writeparam(mac, stbid) == 0) + X; g# ?( b8 B9 ?
- printf("Parameters changed.\n");, d* l% X7 d! k9 t9 T6 F. Y7 j. Q
4 z- R5 [" G7 T% O- return 0;0 W5 o; S% L; F0 @1 C6 V, r$ t' L+ r- @
- }
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