本帖最后由 0522 于 2012-3-21 23:04 编辑
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% Z5 R& E s% E5 l% W修改的代码早有了。到今天不会编译。
6 O8 ?3 e0 A( ^需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h># @& ~9 E, g* \2 D+ O
- #include <malloc.h>
8 ?$ t6 b( X2 k* K4 D# r- o$ z - #include <sys/types.h>
o! C: L8 L/ B1 |* T2 C: Z1 K - #include <sys/stat.h> c; s/ }. L X
- #include <sys/ioctl.h>3 @; y' n5 ^# D: D+ m
- #include <stdio.h>
9 \ R7 A* ]! k - #include <string.h>/ C, }7 V* f+ B# s" U/ m
- & t; K. @8 ]5 J
- typedef struct {: J8 ?0 }5 ?5 x) q
- unsigned int e2prom_cmd_sub_addr;( q! V3 R }% C! Y; d
- unsigned int sub_addr_count;
* z2 c8 X. z" ]5 f( x - unsigned char* e2prom_cmd_data;' T B5 O, s( s6 T8 V4 J
- unsigned int data_count;
) X( V4 o. o' c& v. Z( u - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
2 o0 m# E9 U ] A - #define E2PROM_CMD_WRITE 2
. `3 H, Q: t" S, o& i - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)" l4 s) a- k3 O8 U( R
- {
: [! R% n$ Z4 H, l - int fd, ret;
2 J/ y: G* C2 } m. t# d: Y - e2prom_s_cmd arg;
7 a6 m3 W% J6 f( r. ~9 a2 _ - unsigned char buf[0x18];
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/ F3 X) m# S4 I1 ^' u- fd = open(E2PROM_DEVICE, O_RDWR);
$ S5 M! B. f# F8 l1 m - if (fd < 0) {& c' A2 K! T6 J
- printf("Device %s open error.\n", E2PROM_DEVICE);9 c, Y& t2 U v0 v& L
- return -1;* ]* Z2 |& M- ]; P# j/ k! _; u
- }
0 t" p7 @2 b% _2 @ - arg.sub_addr_count = 2;5 `5 t$ d" U. ?8 q0 i3 m' \. P
- arg.data_count = 0x18;9 u- F% c! o- p1 c
- arg.e2prom_cmd_sub_addr = 0x290;
4 T' K; j5 J( G% i5 ~+ c; D - arg.e2prom_cmd_data = buf;
$ o, K6 |, H/ A+ k" }8 E9 i - ret = ioctl(fd, E2PROM_CMD_READ, &arg);& K* f* U) r* ?- `. j' L' z
- if (ret != 0) {) f' W. Y& W: Z8 R
- printf("Device %s read error.\n", E2PROM_DEVICE);% D9 z& D+ {7 j
- return -1;
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- memcpy(mac, buf, 6);$ [, U2 x# W+ n% n! e# q/ Q
- memcpy(stbid, &buf[6], 18);
' {+ I: G8 G. c4 h3 ]" \) O$ z - stbid[18] = '\0';
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- return 0;
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' h0 |3 n. O7 B X5 M' \ }- static int writeparam(unsigned char *mac, unsigned char *stbid)
6 Y, x2 f. g( y/ q) j m& y - {
" k0 k1 a# Y: R. P - int fd, ret;9 [" g$ q% \ l8 q v$ t% B- ?& Z
- e2prom_s_cmd arg;
$ l$ m" t; [5 K - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);) {" H+ I$ t6 S2 L% `5 ]! `% R
- memcpy(&buf[6], stbid, 18);
% S* I: o6 h+ o9 l$ T' I. _9 t - fd = open(E2PROM_DEVICE, O_RDWR);
7 u7 i! O9 P4 _. J7 F - if (fd < 0) {0 ^6 q) `+ e/ }9 l7 s, V
- printf("Device %s open error.\n", E2PROM_DEVICE);) a$ ?. i/ v8 p0 o1 `
- return -1;* M1 X1 X4 C7 J9 f9 g
- }
0 s! A) B2 W7 I3 G# @* d - arg.sub_addr_count = 2;
8 t i- A' H0 e1 p - arg.data_count = 0x18;
0 m' E1 y5 G; ~ - arg.e2prom_cmd_sub_addr = 0x290;% e; e V% I+ X. J+ x2 X1 P. |5 i. t3 J
- arg.e2prom_cmd_data = buf;
) R, Z4 `+ G3 w2 H; b0 N - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);/ p, h) p) ~8 J: p5 ]- {; N
- if (ret != 0) {. W( \2 u6 g; a" J9 L) D; P2 {
- printf("Device %s write error.\n", E2PROM_DEVICE);# ]- _1 `$ O& m* _/ O l: B
- return -1;0 d5 ^3 l4 m- C8 Z8 F8 v
- }
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- return 0;6 k" K1 z# I0 H1 L+ C
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8 Y# a! \/ x# g9 b6 H& @* J- int main()4 a) V V" W8 p- T6 v, ]" d* U3 q
- {
6 E3 b4 Y/ u Q7 n* }2 O - char c;
8 y. {. y: l8 x& ~6 K! Y - int i, macs[6];
& ^1 D8 X4 f$ ~0 ~% h' U" _; v - unsigned char mac[6];- t% r' E4 J) q5 v. _0 d
- unsigned char stbid[256];
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1 o: q+ }7 n$ o; B1 u- if (readparam(mac, stbid) < 0)4 w( \4 v" `$ [1 i: y
- return 1;
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- printf("Current parameters: \n");
; C6 W) z6 l+ A s- E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: H4 i& o7 D8 m& l0 M2 W+ J
- printf(" STBID: %s\n", stbid);9 H% z& O4 o& @, [+ z% Y
- & P% y; W6 ?0 [. X) J2 H" ^
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* ^% G! V( ^( N9 A# ~* r4 n - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 P' i& t" b" X - printf("Input MAC error\n");2 K G5 w2 w" W
- return 1;7 o/ C3 p$ {" E* i6 \+ }
- }
) x: V n0 i5 o0 D# } - for (i=0; i<6; i++)mac[i] = macs[i];! \7 n2 q% _( P7 j; O/ L2 l+ ~
- printf("\nPlease input new STBID: ");
6 w) ?% P! V+ J9 a, Y# u, I - scanf("%s", stbid);: U5 c- A6 E% _: j3 z P/ J: B: x* p
- if (strlen(stbid) != 18) {. ]) N& L/ E" O8 s7 D' M1 m
- printf("Invalid stbid\n");
8 ~' ~- D) @$ `( z1 a, f3 ? - return 1;" A- X+ o0 F& ]: G" F% D# }4 i |
- }4 J# z, ]- Y9 w; A: X/ X
- printf("\nNew parameters: \n");2 d/ w3 e5 f. G5 o3 M1 g+ Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- L$ ~% o3 ]# A* @* [
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");# x& v9 a3 K5 {. {* ?1 @4 _
- for (;;) {
, `; I- ~' k1 L$ [8 R8 b2 n - c = getchar();' m2 R& c( e9 u- ?) H; d( X% I8 ~
- if (c == 'y' || c == 'Y')8 W: X0 C% [0 Z( f5 f) |
- break;( Z, G) K( I6 W7 o; c$ {4 e
- if (c == 'n' || c == 'N') {
: X" U% P- ]- W8 c+ ^# g( D - printf("\nAborted.\n");1 f2 ^; s' ?( i h& K
- return 1;) r3 J" ?: }1 F4 K: y7 c" }5 X
- }
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- if (writeparam(mac, stbid) == 0) 8 m, o; p/ e/ G& F) k Q' H
- printf("Parameters changed.\n");
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- return 0;
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