本帖最后由 0522 于 2012-3-21 23:04 编辑 ! N. w$ w. i, S3 M. k' K* }) M
B2 A9 }5 `& k# z
修改的代码早有了。到今天不会编译。
0 x4 ]& n8 ^5 I q- a j需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> z6 D, L# ~/ m/ k
- #include <malloc.h>
7 Q C, k6 F9 d0 [- E - #include <sys/types.h>/ ^& l, z) ~5 d5 ]7 p
- #include <sys/stat.h>
( |2 f. n. n! i( F, K - #include <sys/ioctl.h>) s. ^" S1 u5 h. f& T6 N* T
- #include <stdio.h>
% h" \- J/ D# \ - #include <string.h>
: Y; X4 K' C' x) m; C y& r, M; l - + b; ~4 {2 ]8 Z+ N. a% z
- typedef struct {
. K- G/ h+ \2 L$ [. Y - unsigned int e2prom_cmd_sub_addr;
& J2 |- x+ x* C# p7 v6 G, Y - unsigned int sub_addr_count;
' w5 V6 h9 H9 j, }7 `- W - unsigned char* e2prom_cmd_data;/ @8 i D9 \# M/ w- @- k8 ]
- unsigned int data_count;
: [+ l) |# b( c# v$ } - } e2prom_s_cmd;
+ w: t/ s1 x2 O3 `6 V/ g# d. ~
: \# d2 M% ~$ A- #define E2PROM_CMD_READ 1) u: O9 T1 A; F$ I
- #define E2PROM_CMD_WRITE 2# e$ ]' N+ X/ [0 U
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"- m+ U5 o7 a8 I' G
2 a1 P. N. c6 ^9 m7 ^" Q- static int readparam(unsigned char *mac, unsigned char *stbid)" d* Y8 U7 S6 r* B, w
- {
3 P3 M4 n% g8 m7 X/ Q - int fd, ret;
5 l1 P- W: p( m& Q y - e2prom_s_cmd arg;; d; z( s' ~$ e L( L1 F& P
- unsigned char buf[0x18];5 Y. w. H/ J$ j, O8 c, I: D
- ( f2 ` f' w# @6 V$ G* Y" M
- fd = open(E2PROM_DEVICE, O_RDWR);+ P% \* d: @0 d: a
- if (fd < 0) {1 b9 e) d& T( [+ n h* P
- printf("Device %s open error.\n", E2PROM_DEVICE);2 C8 O1 d k8 y. `. P! }) N' e
- return -1;
+ g- Y, D7 M- c3 [9 Y - }- g, n& W! U3 Y0 k6 f4 |2 b
- arg.sub_addr_count = 2;
3 ]. g7 U! u- k- c' d( X8 O: Z* h - arg.data_count = 0x18;0 h( W+ k! o _# ~4 ~
- arg.e2prom_cmd_sub_addr = 0x290;
4 _% ~) O. V& B( W8 X3 B - arg.e2prom_cmd_data = buf;+ ^' W- b, `% W7 z* }! y
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 X6 O# e, B9 T! c. Z; Z - if (ret != 0) {8 ?. @3 E \: z4 d8 j f, {
- printf("Device %s read error.\n", E2PROM_DEVICE);! n' v. q# ]6 R! ^# h7 @
- return -1;
, Q; e& a1 r) c" p; a - }$ J; k5 ]4 z" x0 a# j, A
- memcpy(mac, buf, 6);4 v2 H+ i" Z" ?5 _& i* C3 L4 X
- memcpy(stbid, &buf[6], 18);
+ K" ^- ]" w. j" ]! i' Z3 g - stbid[18] = '\0';) {8 \# s# ~1 c/ s/ |5 q
- * ^$ A5 ~% N+ z" B. ^3 C
- return 0;
; `. p1 o' h0 N9 j9 L* s2 O - }1 w+ T$ p6 i; R; L8 I9 y+ b, a1 J
- - C! ~2 ]) Y* w, P0 a
- static int writeparam(unsigned char *mac, unsigned char *stbid)' I( u5 n( m6 Z, [" m; d5 {$ v- G
- {3 \: P6 V8 t1 m" Z Z5 o
- int fd, ret;
5 ?- ~* y& y3 m6 A5 g, r; @2 ? - e2prom_s_cmd arg;
$ F+ ?, f% N' D b2 c) a - unsigned char buf[0x18];
0 Q$ ~( \4 A+ r4 M5 L
$ \0 O2 f9 c6 }, u- P M- memcpy(buf, mac, 6);6 C7 F8 t% Y: g* H
- memcpy(&buf[6], stbid, 18);0 ^; \/ y8 O( c/ E; d- R6 ~
- fd = open(E2PROM_DEVICE, O_RDWR);9 S4 Y a' E6 g# Y, J
- if (fd < 0) {
I! M3 o- r# B# h/ i - printf("Device %s open error.\n", E2PROM_DEVICE);5 c- z, Z% W. Q
- return -1;
% M2 p5 I |% S5 H% Y! m - }
9 f' b' v. a+ J4 h, W - arg.sub_addr_count = 2;' B/ w# @8 C5 X1 P1 i* C2 j5 H+ p
- arg.data_count = 0x18;
$ }" @4 [* A N: T' h - arg.e2prom_cmd_sub_addr = 0x290;
3 Y& L. _8 G# ]* D - arg.e2prom_cmd_data = buf;
- Y. ^- g7 U3 I" U& Y* A - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);; m# Z1 P+ _1 c4 E1 D. B, ]$ i; c y
- if (ret != 0) {
, }5 J7 `% Y$ a5 V - printf("Device %s write error.\n", E2PROM_DEVICE);
. C% q" }: U& G. Q% ~% V' g; c - return -1;) f' Q6 m- n5 g3 B8 Z' t! D
- }7 h- H9 l) {6 e
- 9 b: A# O5 i; b6 l" ~- V3 s! V
- return 0;4 c/ X+ A% R; }' c3 _
- }
' U( z, {0 S8 h
7 s( h& k' \/ U. L9 q' C- int main()
) r1 h/ m" O7 f5 B& e- A) z - {
* o8 I1 e& |& }5 \ - char c;2 `4 K+ E7 @2 X/ M4 _& R
- int i, macs[6];9 J$ v3 l7 [5 Y/ P7 S
- unsigned char mac[6];# Q" a3 a0 |, E; u* R- j6 X
- unsigned char stbid[256];
' e, N/ t8 E/ `3 ~ - 6 G* r2 h* W5 k
- if (readparam(mac, stbid) < 0)' u( a& j* h' Q! e% e( d
- return 1;
4 n" _# Q5 z7 C( W* p1 x5 f
/ Z4 L! J5 C2 f; X( J* c- d; I+ H- printf("Current parameters: \n");
( a; c0 c7 [$ q6 W6 |- N+ b - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' W F/ P: T$ Z4 j5 u, u9 f - printf(" STBID: %s\n", stbid);
- B5 E6 }3 H3 |+ l7 o -
3 `: w& P0 ~ ^6 I2 S - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
$ W/ Y7 z/ O9 i - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! Y3 T/ a+ {' P& W8 K
- printf("Input MAC error\n");
3 ?! h. A$ W6 B. `) a, ]9 c - return 1;/ O3 T) T0 }3 n6 w k# { I( q, |
- }; f5 P9 r e# z7 X. e
- for (i=0; i<6; i++)mac[i] = macs[i];+ N$ m& r7 `7 l5 l; ^
- printf("\nPlease input new STBID: ");
5 b+ u+ P3 g% L5 X, Y - scanf("%s", stbid);) L/ e+ w$ U, T7 A! X0 e* `! l
- if (strlen(stbid) != 18) {
: n% i+ H9 q6 E& O/ M6 ^ - printf("Invalid stbid\n");
/ D. c, d* I0 F3 X - return 1;% m# I; x, y) |) A% [1 d
- }
5 b5 F! m% }& m$ |: D) J' O - printf("\nNew parameters: \n");: Q- c& @- P4 h! X& h3 G4 I3 ^
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" k4 J3 |) {1 ?' V; k# }5 w# d - printf(" STBID: %s\n", stbid);
/ [! U- v0 h: L+ F; `
6 K8 ^, g8 s! O- printf("\nDo you want to change paramemters? (y/N) ");0 o% ~2 |, k. ^
- for (;;) {& d- X2 y3 k( }! P$ l, H% R* I
- c = getchar();
2 [) _, A8 l; _( B8 h - if (c == 'y' || c == 'Y')% M. P' A- Z$ _% }. L7 p
- break;, @+ N5 j( H! z
- if (c == 'n' || c == 'N') {
6 V1 D4 c0 E8 ]' P# M9 [ - printf("\nAborted.\n");5 Y/ k( N5 p, T7 g2 [% G6 |
- return 1;6 ]: |, \2 Q2 n! K/ q& Q6 u/ X
- }
3 G% p' C! o& L/ S2 @ - }
' h" T, }: q. P- C - if (writeparam(mac, stbid) == 0) 9 k& Y4 A/ f1 f1 M
- printf("Parameters changed.\n");- V! E6 P4 Q$ q/ }
) M$ _# M" g4 h7 r" @" d- return 0;
' `5 n6 _9 l" n4 L2 U - }
复制代码 |