本帖最后由 0522 于 2012-3-21 23:04 编辑 4 @9 g- l: ]( f" u7 t& Z% a
L; e: q' l0 Z( S- U9 {& k修改的代码早有了。到今天不会编译。2 t4 B( j) Z: ]+ j6 g' h$ g
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* S3 f$ W! L" i) Q! y
- #include <malloc.h>) P8 q( l; w5 b6 ~
- #include <sys/types.h>
3 J. O9 A. U2 p o8 n - #include <sys/stat.h>
7 c& C7 i3 H, v' i - #include <sys/ioctl.h>$ O5 A5 r2 n- m$ B# R
- #include <stdio.h>( z, `5 y3 ~% t) O% U* J
- #include <string.h>
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' v8 Q5 u' F7 N- typedef struct {+ c/ \ F+ L3 H: \% |9 n+ E/ I
- unsigned int e2prom_cmd_sub_addr;
9 z( l& J2 i) M( { - unsigned int sub_addr_count;
2 U$ m' P' D& X7 o - unsigned char* e2prom_cmd_data;
5 ]2 M/ [( J! U6 S* ~* V - unsigned int data_count;
+ A# ]& I* i- q# ^2 B - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 10 C; U% L4 W) {9 M6 h
- #define E2PROM_CMD_WRITE 2
/ `; p" f% v; j. t% Y' G$ o/ H& e - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
2 p, v4 F8 d! F. q. ~ - * R9 a' y, N0 K. o; _, O
- static int readparam(unsigned char *mac, unsigned char *stbid)
* L4 E; h4 d$ Z6 q- A2 Y - {
9 @$ G+ n/ ?/ i. o q1 T5 J( q$ H. A- ] - int fd, ret;
2 V3 a5 ^! s" s8 H s. U& Z( W - e2prom_s_cmd arg;/ l$ v* o& \* ~# \. f5 h
- unsigned char buf[0x18];
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0 n% l. t8 O0 E- fd = open(E2PROM_DEVICE, O_RDWR);
# U; d e0 F$ C- x. T M- |/ g - if (fd < 0) {
! _7 ~, |& y' o4 l - printf("Device %s open error.\n", E2PROM_DEVICE);$ g2 y v8 U& N. f# E) j; D
- return -1;; m9 m8 D; \" i, |% I
- }1 {9 `# \4 _: J' h( i
- arg.sub_addr_count = 2;
* H' \: R# {0 h3 l - arg.data_count = 0x18;
( B- }3 H+ [0 q1 b7 |1 I - arg.e2prom_cmd_sub_addr = 0x290;
% ^9 I8 {) e5 q8 Q6 J2 @ - arg.e2prom_cmd_data = buf;2 R% {: }" z9 a: M: d
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# F* L. z: W2 ]) ~ - if (ret != 0) {
6 r" b0 t9 B4 Z- h - printf("Device %s read error.\n", E2PROM_DEVICE);8 y/ d- I8 J0 t3 }# ^8 Q2 {
- return -1;' z% q! R3 q0 ]3 w0 D
- }
: J' V( I0 t7 j - memcpy(mac, buf, 6);
# d2 ^$ Y& l$ z; g - memcpy(stbid, &buf[6], 18);
2 [7 h' O8 B2 N - stbid[18] = '\0';& C$ m7 D) @, q8 C
^! k7 b* O7 B) L' I' A5 ]1 ^7 H- return 0;! h# S3 s$ V% J/ F7 ?6 v+ u
- }9 I6 D0 g/ v7 O4 r! k- y% J
- & O1 R) i* {9 d5 {6 Q
- static int writeparam(unsigned char *mac, unsigned char *stbid)
9 r, F" e6 D6 o" Y - {
$ K6 @7 G8 H' Q/ c, t( h - int fd, ret;* ^$ M) v/ p- r
- e2prom_s_cmd arg;9 R8 i+ T% v4 ?; L+ S; Q
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);, h% X3 U) z% q/ W2 X7 `9 S. Y
- memcpy(&buf[6], stbid, 18);
: ^# K& p7 ?- m - fd = open(E2PROM_DEVICE, O_RDWR);
) l* F* Q& S- n" D - if (fd < 0) {
% U/ X# \# _" M, [ - printf("Device %s open error.\n", E2PROM_DEVICE);7 s' A& d( a! E) R. ?) T
- return -1;
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- arg.sub_addr_count = 2;$ C! @- z8 f* `0 `& V1 N
- arg.data_count = 0x18;
1 O; g6 Q7 X U - arg.e2prom_cmd_sub_addr = 0x290;. ^+ S6 S, \/ g* u
- arg.e2prom_cmd_data = buf;0 B! M9 _3 v' v" l$ Q
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 s9 a+ m- I* P. D9 D - if (ret != 0) {
- L# o u1 ^: N$ ] - printf("Device %s write error.\n", E2PROM_DEVICE);/ Y: U2 P. O, M3 G9 H$ ]
- return -1;( Q5 }/ b+ h( @. ?/ W' Y* n3 G, M% e1 r
- }
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* j5 u; l3 h8 _1 i/ N: |/ U( Z- return 0;7 W8 r- ~0 W3 X- Q! t4 W) X
- }( l- x1 l% |$ l7 v1 v
t, l+ ?0 v& v {- int main()
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- char c;) N# P; l/ g2 Y$ F1 n' L
- int i, macs[6];% l& V3 d7 z, y* \6 p) M0 f! A
- unsigned char mac[6];$ T3 K. T( F: q, U
- unsigned char stbid[256];* j/ [6 R0 I6 ^* c7 i$ N3 a
- ( L/ \# \3 P a& a
- if (readparam(mac, stbid) < 0)
2 Y0 `- p0 l7 z9 h- Q3 S1 | - return 1;1 [5 T& |" {$ F4 ?
- 4 m. P5 ?! g- _% }& C
- printf("Current parameters: \n");7 K5 Z# i3 O: V% b5 \ P* _: H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ M; ]- p! Y9 l
- printf(" STBID: %s\n", stbid);! S. H* A4 p: r( r5 t
- : D/ K- N4 `) ^! I
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 y, R5 b4 s3 B6 Z' Z) g- U& s% {9 `* L - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; d6 I. u. M) w: T$ X2 _* f; U - printf("Input MAC error\n");
( D6 ]$ \6 D) V: w - return 1;
5 l9 e: i B( h, ?+ T9 P% Q - }
V, j% `, J3 G6 i - for (i=0; i<6; i++)mac[i] = macs[i];+ X2 m7 O% F8 x% }, Z$ S- f
- printf("\nPlease input new STBID: ");
X+ v9 k$ C/ z( ~/ G7 Z: e7 S - scanf("%s", stbid);
3 m1 Q- R$ {: T3 n - if (strlen(stbid) != 18) {
" g2 [, i1 L" W+ s6 r. g, D - printf("Invalid stbid\n");
! K, ^1 R5 i" }# e& R - return 1;
& o! h6 r6 {2 \$ I$ @1 R) j: f% k - }
; m4 }: _ E; s3 `: q* \" a - printf("\nNew parameters: \n");
) J; l, u1 x. h - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 S( T4 _% p8 t" w5 a
- printf(" STBID: %s\n", stbid);
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1 S1 V( I- X% T$ w& V* e- printf("\nDo you want to change paramemters? (y/N) ");$ H! L9 W! w% o) t! h5 @4 y" B5 {
- for (;;) {
+ i' T2 i8 s" ?) k: E d3 K" {, U- M. o - c = getchar();
, [# _0 T7 d8 \- B; [ - if (c == 'y' || c == 'Y')
. H4 }8 z* x6 X- _; Z; H/ j - break;
& i) u5 |! N5 b" @ - if (c == 'n' || c == 'N') {
8 W( {. e2 r7 K3 N1 {5 e. x7 K/ U) M9 P - printf("\nAborted.\n");% q4 f0 k& o# k. O9 M0 c
- return 1;
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- }
2 Q Y8 G# [6 W, | - if (writeparam(mac, stbid) == 0)
: N7 u4 d7 B4 M! m - printf("Parameters changed.\n");3 Z( k5 `1 j) }- G
- 6 b" [- X0 Y! U z+ U
- return 0;
( t" @! s+ a: D3 Z; B: t1 n; r: a" Z0 J - }
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