本帖最后由 0522 于 2012-3-21 23:04 编辑
3 c) c" `. Y. ~
4 j1 M1 `& X' ]3 ^9 y0 X- w1 i修改的代码早有了。到今天不会编译。
& D8 @5 s8 z5 R4 f9 A: ~需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>2 M% Y2 ~) x0 j/ R5 X8 b
- #include <malloc.h>
3 ~) U0 J. j8 @* a9 H, { - #include <sys/types.h>
5 p4 E* @7 ~/ Y/ h; b - #include <sys/stat.h>! C$ i5 T/ I: ]# \2 {4 g. c
- #include <sys/ioctl.h>
1 `1 l- C/ l- A1 G3 s - #include <stdio.h>
% \/ x% a# U9 o) X - #include <string.h>
! u% T) y6 t2 I1 A" M; c
y+ q* s& Q2 l, C0 O) F- typedef struct {
: }2 ~. N% B% g2 i" s- ], x - unsigned int e2prom_cmd_sub_addr;( H1 w+ U! j+ D1 V1 s) Z
- unsigned int sub_addr_count;
! f! S% n" e( N6 [ - unsigned char* e2prom_cmd_data;3 N' y4 ]* N1 @& k. P
- unsigned int data_count;
' `" d: a$ t! w, Z7 x& l; e, b - } e2prom_s_cmd;* P0 z8 e( G+ M& }) v
^ K) |' v% f: @5 X2 d' r" X- #define E2PROM_CMD_READ 1
0 P5 I; ]! G2 O1 g7 K- C* @ - #define E2PROM_CMD_WRITE 2, K; r; b# w d6 ^' H, o
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
8 j8 C- `7 F3 z* f8 A& ~# m+ d - * D! e7 @! y$ L
- static int readparam(unsigned char *mac, unsigned char *stbid)
7 P) X9 R: f8 L7 T1 J/ K - {
! S& d1 |- z! S% a; U5 y - int fd, ret;
/ ^8 v' ?' G' h( a- ?* H7 l - e2prom_s_cmd arg;* }: `/ g8 F/ s7 p
- unsigned char buf[0x18];
- |$ z9 f5 \7 m) |, { X+ f0 m
! S, H$ E1 t* N5 k! W& k% I: ]- fd = open(E2PROM_DEVICE, O_RDWR);
1 q7 |" x0 K6 \/ m - if (fd < 0) {1 h; u+ M, s, G) @
- printf("Device %s open error.\n", E2PROM_DEVICE);- a9 v1 s+ v$ `9 O
- return -1;
/ F' J# q0 |4 ]) _* e - }
; C% b( I8 w& H# ]& d( Z# M8 f4 K - arg.sub_addr_count = 2;0 u6 A( C1 d9 {8 k2 \
- arg.data_count = 0x18;. X2 T" I( N) r' x# V$ d" L
- arg.e2prom_cmd_sub_addr = 0x290;
; b4 v4 j" u( H4 z - arg.e2prom_cmd_data = buf;
" T7 `# }+ N j/ `: C. j$ E% h - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
; y( r4 r" u" P7 J/ M/ j - if (ret != 0) {
{9 u B% Y$ Z6 o ~ - printf("Device %s read error.\n", E2PROM_DEVICE);" e; ^6 r3 H# P7 O* B# g3 ]) P- s' `
- return -1;4 T1 J2 \; m6 n9 R( k9 i
- }9 T% R, ?3 A* Y8 u. U
- memcpy(mac, buf, 6);7 Z) Q2 x. ?$ O+ `" p( A; y
- memcpy(stbid, &buf[6], 18);
- G7 J7 [8 x& q+ x+ a4 ? - stbid[18] = '\0';* m( A% ^! l; r6 e
0 s) Y+ n E& K( M6 |+ r- return 0;7 m, A1 K6 u% Y
- }. P+ _8 T" {: K+ \: r2 I
! s( }9 Q; d1 U8 a* w- static int writeparam(unsigned char *mac, unsigned char *stbid)
- ]! u) A" R6 c& q2 a+ l- w) S - {$ E7 b) C& o7 j. I
- int fd, ret;( G6 @" K' {+ b" Z
- e2prom_s_cmd arg;8 m4 u5 ?" f3 E! _, S
- unsigned char buf[0x18];
* U: s. y, }5 Y: x% N, v' m" B
$ C" v' J# c" y* n4 h- memcpy(buf, mac, 6);
( f5 {7 e, I* J - memcpy(&buf[6], stbid, 18);
5 S1 T$ W( e1 C( e, ^ - fd = open(E2PROM_DEVICE, O_RDWR);
6 V k8 x( `- u4 W - if (fd < 0) {
7 J, m" A% b% c9 [& n - printf("Device %s open error.\n", E2PROM_DEVICE);
. k. e+ G' U* p+ r* ^% \ - return -1;& H f. U3 c2 l8 o1 {$ c
- }
}" B2 r9 d2 f+ [+ G8 W( Z$ y4 O/ s- g - arg.sub_addr_count = 2;6 U: P4 ?- f) q5 D1 Q* ]6 [( Z
- arg.data_count = 0x18;' A% b3 T {8 s. i& B0 q! B5 K; C
- arg.e2prom_cmd_sub_addr = 0x290;
8 _. c9 H; D& v( z! m - arg.e2prom_cmd_data = buf;
" O5 L" _- T5 }, e0 c1 n - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);% }) C2 i' _2 Z5 S7 u
- if (ret != 0) {
1 v1 f! ^2 ~0 G! y' Q( h1 s, q7 B6 x. t - printf("Device %s write error.\n", E2PROM_DEVICE);
% u/ z `, R: t( i- h* L2 l - return -1;
; o' L- G; J* P% R: G& A" L* d - }
8 A7 z* L9 b1 E$ T; ]" x
; d) O6 q) o5 D9 v$ P( r/ `- return 0;
, l5 U; U* a: r9 v { - }
9 B4 Z6 c0 t3 h$ [% {, l - ( m" v5 l$ D! o4 d9 N
- int main()# k1 P c( `$ x2 V
- {1 X! N7 ?) U& F
- char c;, ]) k/ g; ^& I9 Q4 ~
- int i, macs[6];
% l) p" Y% t) b( ~: ` - unsigned char mac[6];
5 R) F w$ F7 g/ k, T+ i) K - unsigned char stbid[256];0 U) R0 _* z6 C/ t
- 5 V+ r/ L- n: C6 [9 a
- if (readparam(mac, stbid) < 0)
2 `- n) I: ^: t - return 1;
1 ?3 L* q9 Y) v( j - & E1 @2 p% x2 g# l' c3 M ]9 i# k
- printf("Current parameters: \n");0 A$ D2 k5 f ]" I/ Y# |+ {' ]/ _
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: C8 a3 Q$ p. q) P% z1 N1 v - printf(" STBID: %s\n", stbid);) m# H+ c" p1 X
-
& h& c& C8 ]0 X# P, I - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% u. V$ w! n' l% M/ g, ^. c - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% X1 d9 H8 Z/ Z1 C0 U. O4 q( j
- printf("Input MAC error\n");) {7 F' l& p' ^9 G# r
- return 1;
, H* h$ `0 y% J0 o* Z- v5 N( @ - }
0 _1 q6 e+ v- S6 M. `9 h - for (i=0; i<6; i++)mac[i] = macs[i];' C$ }! f& O; d& a# L
- printf("\nPlease input new STBID: ");
9 Q; u/ k% ?7 f1 { - scanf("%s", stbid);' | w8 U' K- X2 N( J8 `" R
- if (strlen(stbid) != 18) {
" O: D3 n2 j- e* r. }# P0 C/ {7 x4 G& v - printf("Invalid stbid\n");
# E( a* s. o1 w9 S; Y - return 1; Y9 u2 I) g6 k% O. X& D
- }
, `2 \/ M) _4 _ X* `. \ - printf("\nNew parameters: \n");
9 X' F/ z' n3 q/ d7 p+ i3 _" \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 }) d7 T) i+ T* g% y- f |+ {
- printf(" STBID: %s\n", stbid);
3 W6 H( Y' C T" g
. m7 J7 D! P1 Z6 }- printf("\nDo you want to change paramemters? (y/N) ");/ s0 F" w; `' |% d% X
- for (;;) {1 d" h& m4 k8 p7 j/ B
- c = getchar(); ~3 _ W: `8 U7 E
- if (c == 'y' || c == 'Y')
- ^7 P( b! r, s& B4 J - break;
, ^' Z. O3 ~5 \- {9 X - if (c == 'n' || c == 'N') {
# r: ~* r5 H/ G3 b B - printf("\nAborted.\n");: x' D& v C2 b, a3 b
- return 1;
- X0 a! `0 S t. S9 J - }+ X, Z" P% x% U( H" f' O
- }
" [" x+ W9 p% }% s# O$ h - if (writeparam(mac, stbid) == 0) ; _7 i" r# [( P
- printf("Parameters changed.\n");# H( Z9 R% h1 U; O* G
3 \/ {1 x: d2 o$ a! ~2 @4 E, G6 m2 W" @- return 0;
2 Y0 A" K4 b" u p3 n- H - }
复制代码 |