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。; Q3 j9 G* A9 i2 A
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: D6 k/ O {: W6 N- E% L
- #include <malloc.h>- m; n" I! x2 p& p1 |6 e: r
- #include <sys/types.h>
- _: V& ~; F: l _$ U5 d - #include <sys/stat.h>: u/ h/ |: N# V1 }: \/ L9 P
- #include <sys/ioctl.h>
3 w$ T% J7 Y& {) D9 z - #include <stdio.h>
/ U/ ]' {. E4 @& m - #include <string.h>5 b0 Q5 ^# y6 ^6 H8 Y$ f! [
) Y x3 k/ S# f- typedef struct {+ q$ t8 H' C0 O1 O( O5 R
- unsigned int e2prom_cmd_sub_addr;# A; s5 M* O( X$ z) s. C2 {
- unsigned int sub_addr_count; c8 d' D0 f+ i, R
- unsigned char* e2prom_cmd_data;
+ }/ O" A7 @) Z' w5 h - unsigned int data_count;
& ?9 E; B# I& f; `( m! @% L+ v - } e2prom_s_cmd;
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0 R' [ H5 h) O7 _. Y/ n- #define E2PROM_CMD_READ 1
5 W& C8 i0 q I, ^+ Z - #define E2PROM_CMD_WRITE 2
0 [7 _& _2 @8 [ C' K/ K' E8 `8 I - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
+ z* U, g7 ~3 B5 b - {& i; [9 \! N; s- l {$ O" I# `7 b) E
- int fd, ret;
/ N, y. k% X2 n. `: a - e2prom_s_cmd arg;
# i! w+ l ], ^: D8 ]7 ?3 j - unsigned char buf[0x18];+ p8 J/ q0 ?2 z, C& [5 s. S
* R' A: ]6 @1 ]- fd = open(E2PROM_DEVICE, O_RDWR);
5 h* Z6 Y, j8 P+ d0 U3 U - if (fd < 0) {
. w& e1 L& X, ` - printf("Device %s open error.\n", E2PROM_DEVICE);' z2 m" J0 f$ A* m( j7 j
- return -1;
/ X& t0 v: X/ ~ - }
$ W% d- O4 `" J' M - arg.sub_addr_count = 2;
5 O) ?% F# `$ B9 d - arg.data_count = 0x18;
7 j2 n2 q# R& h' ^( Z, k- i8 F - arg.e2prom_cmd_sub_addr = 0x290;
6 E+ G; H, u e# x6 D% x) }# G7 c - arg.e2prom_cmd_data = buf;8 ~0 i2 X8 F- N& O0 v* _
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 j: @/ @7 i7 V+ W5 t2 ?
- if (ret != 0) {
]( `) k" H* G - printf("Device %s read error.\n", E2PROM_DEVICE);
. P& V$ ^* {7 Y - return -1;
6 A. Y) E/ U; a$ v* A - }
9 s9 t) D) l/ W. @5 i - memcpy(mac, buf, 6);6 h. u0 p. a2 x( a2 l ]2 M
- memcpy(stbid, &buf[6], 18);' N7 b0 \, w1 q" ~7 _
- stbid[18] = '\0';
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- return 0;4 C' x: V8 N0 `' {2 K, y _
- }
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/ M& r8 ?) v0 X1 ?- static int writeparam(unsigned char *mac, unsigned char *stbid)( \! U" e) \0 r9 F
- {
! f0 e1 q; L, M1 z - int fd, ret;
7 o! {8 D( ]2 ~ - e2prom_s_cmd arg;9 K4 v- ^4 ]0 ?5 Q
- unsigned char buf[0x18];
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# n- w: T" `& T' G, {' A0 T- memcpy(buf, mac, 6);* ]! I# c/ M E) I( }: F
- memcpy(&buf[6], stbid, 18);
7 n+ X" \4 G- Y3 g - fd = open(E2PROM_DEVICE, O_RDWR);
2 }+ H9 v' z$ g0 S: j! N$ G - if (fd < 0) {
- [6 U! j) V# x! D* U/ Y - printf("Device %s open error.\n", E2PROM_DEVICE);
& r9 F$ ?* C0 o0 h- R4 N$ ?3 g - return -1;9 C- t$ t" i7 \5 g# A* F
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- arg.sub_addr_count = 2;
! [4 G5 G) D" j0 B a8 X, f+ Z - arg.data_count = 0x18; O/ ]. I0 ` Q
- arg.e2prom_cmd_sub_addr = 0x290;8 e7 |9 r* J0 j4 O. a. T& L
- arg.e2prom_cmd_data = buf;
7 u9 @; k" _. } - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' l, C6 q" Y* }" m! [/ Y
- if (ret != 0) {' `+ d6 i: I1 M+ I$ j, @; F
- printf("Device %s write error.\n", E2PROM_DEVICE);3 D2 D+ ], l9 L! W/ Q2 I' t
- return -1;
( W% K0 T2 w4 d& m% z5 V - }
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/ ~" A9 N8 e- y+ W- return 0;1 j6 r: f) J( N7 W/ q; T
- }
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- int main(), {/ U8 k( y' X. W/ W" H! b
- {
# y" k1 G3 I* q' u - char c;
% ^/ f0 B/ X4 d5 c! | - int i, macs[6];
) f% u$ J0 o0 {- c - unsigned char mac[6];: o+ T8 y. ?" H. L7 ]* w
- unsigned char stbid[256];9 S! s9 \$ A7 O# q' f7 D9 u4 w
- 6 N* z% O9 r5 L2 K
- if (readparam(mac, stbid) < 0)) ~1 F7 T6 I* V/ }
- return 1;
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$ u, Q ?, s$ Y( j# [$ c& Q- printf("Current parameters: \n");
/ T! S1 ?% I6 S! v - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- S- s1 I7 O2 V+ [6 N. ] - printf(" STBID: %s\n", stbid);9 p! Q) v" {6 N, e, T
- . d! J, D! q0 Y1 H |/ y% R
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");) b H5 U% r1 F: A) {+ I
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) Y: M1 y6 _, w; E( ^ w
- printf("Input MAC error\n");0 w) v: u0 F0 _3 @" z
- return 1;1 J+ O4 `- T! P0 n J/ G4 ]
- }
2 `# X: p4 U9 b" L1 U* C - for (i=0; i<6; i++)mac[i] = macs[i];
" ^$ F$ {+ a" L. C# u' K6 n% o - printf("\nPlease input new STBID: ");
% K7 `3 r- a0 `5 }1 i, e6 i# l- ~ - scanf("%s", stbid);. z; A- P) Q# ]) L. e
- if (strlen(stbid) != 18) {' j4 G* K2 o! \ p4 y6 |
- printf("Invalid stbid\n");
3 Z6 E: `2 p& Q6 ?, X) }9 _ - return 1;. {* c9 f0 O1 S& X }
- }
+ j" {0 {' y' d4 Q ? - printf("\nNew parameters: \n");
7 u. L8 ~0 `' X- ?/ k0 a - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( M Q; b |' q& }8 u9 _
- printf(" STBID: %s\n", stbid);
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: B) c4 B( t! w2 p* Y7 l- printf("\nDo you want to change paramemters? (y/N) ");5 E2 e1 O3 R: [4 M' o0 s
- for (;;) {! P% P$ e, X( b; M# K6 x
- c = getchar();) F" N {" U2 ~; T) \6 p% n6 p4 d
- if (c == 'y' || c == 'Y')# K; r# U7 {* \! q8 F# B6 y; Y
- break;
7 `! Q S* l$ v- h: E! \/ f" F - if (c == 'n' || c == 'N') {
3 J) E& e$ S9 e6 O8 n9 K - printf("\nAborted.\n");+ ]2 w" S/ Z4 t2 D+ a
- return 1;+ z9 l, W! |0 F; p6 e' q# C% c5 t
- }; }( t$ H3 g. M! ]+ f1 }8 Y
- }; h" X1 d7 J% b3 d, Q. S! {
- if (writeparam(mac, stbid) == 0)
5 J/ V; @$ R/ r3 O% S5 _( u - printf("Parameters changed.\n");9 k" B/ T* l n. E) s
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- return 0;( ?" E/ |- b2 @
- }
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