本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。: l% E. g# }( x7 I( ]
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, v2 J* ]2 q/ U J' u - #include <malloc.h>6 ?5 p; n9 K1 y! a o, C; i1 e
- #include <sys/types.h>- S2 \' r, x$ | L/ P# \6 p
- #include <sys/stat.h>, U; E+ a1 s: L# V! r
- #include <sys/ioctl.h>: p4 F& d+ v1 V5 \
- #include <stdio.h>8 y) @7 i2 J3 ^
- #include <string.h>" ?& J- W$ E0 M/ W& ~( S A5 i
$ |- y3 H" O; z* M- typedef struct {/ q" m3 K/ L( I9 P+ {
- unsigned int e2prom_cmd_sub_addr;3 ] m# J1 j% g/ ?% ]8 }9 f5 q" {
- unsigned int sub_addr_count;
" z, O3 K4 d/ X$ e) o - unsigned char* e2prom_cmd_data;# d$ t1 F4 E) b$ Z' W' J+ j$ p
- unsigned int data_count;
2 `1 Q. n% T8 S/ Y3 `$ u- F - } e2prom_s_cmd;
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$ Q$ s5 L/ U9 ` S" t) y- #define E2PROM_CMD_READ 1" @5 h" l: Q9 d! Q, |& {# k( r% s$ w! w
- #define E2PROM_CMD_WRITE 2
% W- \( x l s$ F1 e! B5 @ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16": z6 r) Y% a3 K: r) ] g* z+ V
- 9 Y/ a+ ^4 z! w; u& M @( E
- static int readparam(unsigned char *mac, unsigned char *stbid)
! f# u0 K/ r4 N$ I- n% x - {
$ u. V2 s( h3 r* ?1 v# d - int fd, ret;
# K5 ?5 r- I3 Y4 C5 T+ ~3 Y ~5 ] - e2prom_s_cmd arg;
" ?% i& [. f T: p( u P( C - unsigned char buf[0x18];
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) v w) C. s. C+ h* C- fd = open(E2PROM_DEVICE, O_RDWR);
7 W: a8 v a- m8 L& g - if (fd < 0) {
% D/ E5 L# `# Q' R0 o2 z - printf("Device %s open error.\n", E2PROM_DEVICE);
7 G" R) d {- F. V, i0 p5 a - return -1;+ v2 d3 q. ^ h5 i
- }
, C( J- l2 K( j8 \" K- h+ M - arg.sub_addr_count = 2;2 Z! `2 }8 S# r/ r7 {& T
- arg.data_count = 0x18;5 J& @, I0 j/ H' a/ Y
- arg.e2prom_cmd_sub_addr = 0x290;
9 A1 o; b9 f& \& c P - arg.e2prom_cmd_data = buf;# A W0 t3 z4 W9 Z: o
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ E% i1 _) O' a5 e1 Q& n
- if (ret != 0) {
7 t3 z$ |+ Y0 D - printf("Device %s read error.\n", E2PROM_DEVICE);/ |8 u" f6 ]. Z3 }
- return -1;
) [# K& r7 }/ y. x - }
# C. V, P4 h/ u& h - memcpy(mac, buf, 6);0 R2 i0 V3 i. ?- x
- memcpy(stbid, &buf[6], 18);
8 p8 q. g1 N* o5 y4 \& S - stbid[18] = '\0';
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- return 0;
! ?, s: H# d8 C6 D - }
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7 w' d% i1 A* U$ V# \$ W- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;* ?+ A# L: v2 v( H
- e2prom_s_cmd arg;
/ w6 K/ R7 m9 \/ [ - unsigned char buf[0x18];
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# }0 ?, v( L: q( v+ G- memcpy(buf, mac, 6);
% C J- r* }& U3 | - memcpy(&buf[6], stbid, 18);( J; {7 i) n$ \
- fd = open(E2PROM_DEVICE, O_RDWR);
7 X1 y( r' {6 ` - if (fd < 0) {
/ x+ L* Y. k9 X+ u4 X0 ]! w6 V. y - printf("Device %s open error.\n", E2PROM_DEVICE);. G, ?& {2 U/ P! i
- return -1;
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- arg.sub_addr_count = 2;& h4 e- o: K5 b
- arg.data_count = 0x18;" V7 U3 B; u$ w" Y5 a. _
- arg.e2prom_cmd_sub_addr = 0x290;6 y5 v0 f+ a0 Q( p, N" ~; L( f8 V+ b
- arg.e2prom_cmd_data = buf;9 Y. r3 W" J" \9 A& g. S/ k- v
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg); |# z# A+ W& F" I
- if (ret != 0) {+ s/ y9 L9 x1 L. K, ^1 M3 B# g( Z
- printf("Device %s write error.\n", E2PROM_DEVICE);! V2 y) W! A& m! k
- return -1;
, q6 V; Y: I5 ~ - }
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) O- n5 X1 ^4 c- return 0;) R+ ~! q% H3 e$ y
- }
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- int main()* b9 z9 _ y6 Z, j$ Q5 S8 c; L4 m6 H
- {
- R. F4 O/ ^: D0 o - char c;
. w. C3 W1 K4 ? H: d - int i, macs[6];
; P1 E, y% i' ?2 q - unsigned char mac[6];
! g$ o. i1 \! ]1 ~& l0 a - unsigned char stbid[256];
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2 {' Y& o" `+ O- P& x( D- if (readparam(mac, stbid) < 0)6 Q; V- I j+ |: J
- return 1;# m* N) @- `; Y. f) [3 D; K' m' V
- 3 \) g7 O$ J9 e% z6 P! u# _: ^
- printf("Current parameters: \n");
0 C8 q7 g0 y/ ~. I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( M7 I$ n5 L. f% |1 D - printf(" STBID: %s\n", stbid);
$ m; S* V4 C6 [1 o3 l6 _# V -
7 f8 {* e8 V; } o0 ]) U! k; A" Q L - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 L5 @! q) j3 y. U% R
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ y3 I; ^; D2 J - printf("Input MAC error\n");
4 O9 G! T3 N$ S - return 1;
% L9 P2 D! h/ ~2 X" E - }* O2 E3 D- B, Y' p% ^
- for (i=0; i<6; i++)mac[i] = macs[i];
, ?1 c; C/ U2 o% } - printf("\nPlease input new STBID: ");
3 ^# T7 M+ f2 s7 l# A - scanf("%s", stbid);
+ F* q9 n) W6 V9 M$ ?+ p - if (strlen(stbid) != 18) {! |- U0 \8 \& ?# o( q
- printf("Invalid stbid\n");
1 \9 O! K! b `/ X. N4 | - return 1;
: ]4 k- F8 f( N0 J0 z" I+ E - }
7 M5 d0 E/ k1 E e% B& W/ m5 Z - printf("\nNew parameters: \n");
- J. j" N9 k/ k" x$ O" a - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! N2 z( E, t% P3 B1 W: z - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");: l; U* X8 I6 z$ t& T0 W5 r
- for (;;) {
8 v6 x( e1 g# k" P0 V - c = getchar();
7 g" B8 X5 h1 Q# M" H- H - if (c == 'y' || c == 'Y')1 J2 {4 g2 a# l L; Q$ \2 C
- break;- R% N& B! }. N9 z
- if (c == 'n' || c == 'N') {5 y( C9 U+ Z9 z( j
- printf("\nAborted.\n");, p$ `9 u6 Y' b( I& @
- return 1;
' ]/ ^6 S5 J" c/ V8 F - }
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- if (writeparam(mac, stbid) == 0) ' i7 Y# |2 A; S: I; N5 O& L
- printf("Parameters changed.\n");
% H4 l O( @9 N; _% w - / v+ U8 y" ~$ ~( R) m3 M# {
- return 0;+ y7 `1 G5 u+ w# g5 @& ]% N( K
- }
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