本帖最后由 0522 于 2012-3-21 23:04 编辑
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# ~. K2 @) p. W修改的代码早有了。到今天不会编译。
7 Y5 d* l2 x9 v3 |1 p, {需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>$ h& A: G+ W$ [/ v0 }0 B# y! b
- #include <malloc.h>
. `6 V$ B' J0 ?- Z7 T" E - #include <sys/types.h>
! }+ s5 `8 A. t8 a" v4 I - #include <sys/stat.h>
% G0 k( p/ m& ^/ |9 N - #include <sys/ioctl.h>
* _7 F/ p3 w* W: r - #include <stdio.h>: Y: Q1 E2 x% [- f8 \% M3 i3 \
- #include <string.h>5 q) k# t) `! u. K. B
8 r. `& ]" r* y! `, r* Z- typedef struct {3 ^0 C! j: Q/ w! ^2 W: ~
- unsigned int e2prom_cmd_sub_addr;/ o, H9 Z3 X9 d# G5 l2 ?( W
- unsigned int sub_addr_count;0 U! a, }: ^& J1 j$ Y
- unsigned char* e2prom_cmd_data;0 s$ ]3 C' f' L" d0 P
- unsigned int data_count;# S: J5 ]% @/ `
- } e2prom_s_cmd;( o/ `1 C+ r. q/ V& s6 U( v
- , T9 e2 t) f0 m6 R7 M0 e7 E
- #define E2PROM_CMD_READ 1
8 B+ V7 V! h) B9 a d* I* E - #define E2PROM_CMD_WRITE 2" P9 H" o' b7 b/ [2 \
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)$ g# \% E, y: H
- {! J* g6 Z# n4 c8 C7 d) [
- int fd, ret;5 `$ r I4 Q# e6 F& _) C
- e2prom_s_cmd arg;
; @- f/ [2 A5 u- }/ C4 F$ U" A - unsigned char buf[0x18];% w: L9 }, B& b* r. \- s
- 1 c/ }- H! V& B; j! d x$ r
- fd = open(E2PROM_DEVICE, O_RDWR);
! A% j G" Z" N) P. E0 C- q - if (fd < 0) {
4 S# D0 @6 J3 E1 o. c- M) c n: L - printf("Device %s open error.\n", E2PROM_DEVICE);3 c/ C) B" K* z" D4 g2 y- G: J
- return -1;5 _% Z: E- g2 J; N9 K' ~9 I8 \
- }
8 g1 H9 s7 \% ^" _ - arg.sub_addr_count = 2;
5 j2 D5 D2 ^/ ?1 h1 U) T - arg.data_count = 0x18;
- M" ~2 ?5 Q. F$ w' v - arg.e2prom_cmd_sub_addr = 0x290; y" Y' \* [2 X7 c
- arg.e2prom_cmd_data = buf;
& @$ R* A6 A5 L* v3 K7 u% q - ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 E7 P1 d# ]" j% ]1 Y1 y8 I4 }
- if (ret != 0) {8 l' A% l( B& O% u& I
- printf("Device %s read error.\n", E2PROM_DEVICE);7 H" } z+ q0 Y, Y7 D7 \1 Q4 B
- return -1;
; E# ^3 a8 v& T, T - }
/ I" B' l7 e i0 O/ Z8 O - memcpy(mac, buf, 6);0 x& q, c# J7 R) D3 Z- F5 P* k. J+ N
- memcpy(stbid, &buf[6], 18);
5 V: E# w0 t& c" {1 k {5 E1 _* r, c - stbid[18] = '\0';
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- return 0;
x' B {( d5 t Q/ `8 d - }
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( e+ {) A' A0 H6 Q: x8 \- static int writeparam(unsigned char *mac, unsigned char *stbid)
5 ~9 o7 u8 U; i3 x; R# C9 s - {
* ]5 ?& }5 N% V4 h7 |# l4 i+ z - int fd, ret;, F# U% U, Q9 X( F) Y
- e2prom_s_cmd arg;. ]$ l% _- E. A# ?+ l/ P
- unsigned char buf[0x18];5 K2 [" ^2 F( ]" R
5 l1 X2 j3 q3 |- memcpy(buf, mac, 6);6 @* G+ G7 W' }/ M6 h9 x/ S
- memcpy(&buf[6], stbid, 18);" U4 a9 A9 T( d: G9 E7 H& E
- fd = open(E2PROM_DEVICE, O_RDWR);1 `: I/ M, T, F L, l# G' H" q# h
- if (fd < 0) {) r3 l6 P5 v! \* d0 _
- printf("Device %s open error.\n", E2PROM_DEVICE);
# r* Y0 U' B! n2 y! v - return -1;1 ]/ A1 ?2 |5 \; ?, m: W4 L
- }
0 Q# B; C' h! e# [+ ~ - arg.sub_addr_count = 2;! j5 Y& D C2 w& r/ ^$ J& |6 Q
- arg.data_count = 0x18;; {6 m" l+ V; |9 R2 |
- arg.e2prom_cmd_sub_addr = 0x290;
+ B: ^" y M5 U/ C5 X4 R) _: D" L - arg.e2prom_cmd_data = buf;
9 k1 \6 F" d1 z- N2 P: n# q: i - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
C( J. J7 T: ` - if (ret != 0) {
9 E. R% L r, O, B - printf("Device %s write error.\n", E2PROM_DEVICE);
5 y: s7 f. p; d( y6 O& j$ W- b9 { - return -1;
- L# ?; Q" J0 |1 [ [4 ~ - } r z; u$ [, R1 R; C
J0 G8 y [5 B- return 0;0 @1 ~' \/ H- o! d% Q, e" g7 ^
- }
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- int main()
' |. ?5 d q4 }, s2 C - {
1 U0 H% ~4 ?' |6 x9 L - char c;& l" c! ~- T) T0 U
- int i, macs[6];
" i8 s* x* w2 |: M - unsigned char mac[6];" I6 h$ H# v" [# E! D
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)- M* r5 \% |' }6 K
- return 1;
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- printf("Current parameters: \n");6 V" K4 Y* v7 h& T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 u8 _' O5 T j/ F+ e - printf(" STBID: %s\n", stbid);$ w( w0 ~/ e9 S) _
-
! S& s3 n$ |8 n - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! J" S( o( w9 p - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% q9 P# ]' e* z9 C, O. [
- printf("Input MAC error\n");
2 z7 w' _" @- d; \; o' P) e3 {- T6 c - return 1;9 |2 T( Y* y6 o/ ^ x* N( t1 h
- }( y6 B8 v) g, s7 a
- for (i=0; i<6; i++)mac[i] = macs[i];# I D2 A1 q0 g3 D# g# h
- printf("\nPlease input new STBID: ");
5 c% C! l0 s5 [; t: k' ] - scanf("%s", stbid);9 k2 x' u1 n0 g; q' T' w
- if (strlen(stbid) != 18) {
' G/ l# T. T. T/ k# \1 N* Y9 y! a - printf("Invalid stbid\n");' Z5 I" h+ c; V4 L0 {$ Y
- return 1;
# q$ p4 H P; U9 w |' r - }7 l+ W1 Y$ ^" w% h$ c5 d
- printf("\nNew parameters: \n");
' E6 _3 {' E3 d+ X8 E" C* E& V# D - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( S# T0 F* h2 f& N9 }6 } o - printf(" STBID: %s\n", stbid);
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4 G$ H( @/ ]. L- printf("\nDo you want to change paramemters? (y/N) ");
, c4 o. ~2 m2 F - for (;;) {- e) I/ d5 c! n2 x. s
- c = getchar();* ~2 H& U/ _" F( u
- if (c == 'y' || c == 'Y')
4 W' r1 A# M2 g# H1 q. J - break;- P$ Y" Y2 F- O( O* z$ G; B0 D2 b
- if (c == 'n' || c == 'N') {5 P Q2 E" @; q- A9 y! U0 a0 X
- printf("\nAborted.\n");( u$ Q7 H7 P3 t
- return 1;
l% e: W5 m& X6 f9 Z - }# d e" U( e5 g% V8 \% u
- }7 ?/ u7 f5 D* o5 X
- if (writeparam(mac, stbid) == 0) : x+ ^3 n% v/ b! [6 L9 i D
- printf("Parameters changed.\n");
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- return 0;$ P8 O# v! ^! f: i& z5 b
- }
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