本帖最后由 0522 于 2012-3-21 23:04 编辑
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5 j/ F3 o6 m: o5 N5 W修改的代码早有了。到今天不会编译。
i0 {3 o0 ^/ e: W9 E需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, @5 ]4 |0 Q5 h& D2 |
- #include <malloc.h>
% k. B. F2 u+ Y+ W W% b! v - #include <sys/types.h>/ t2 r( _2 m+ R" }& _
- #include <sys/stat.h>
! `3 F! R3 }/ u. z6 X& X; B' [ - #include <sys/ioctl.h>( |" e) t6 {- N& I. q' t, q
- #include <stdio.h>
7 D- I% ]2 P) r - #include <string.h>
# G0 Z1 R- L- `+ H
, q; r- E$ h6 k- typedef struct {, v3 Y/ e1 }/ h/ L$ y" {
- unsigned int e2prom_cmd_sub_addr;
; f$ {4 @; ^1 C - unsigned int sub_addr_count;
0 k+ U* Q1 y8 f3 E4 H# ~ - unsigned char* e2prom_cmd_data;
U6 `- f- G: n0 i( J# f - unsigned int data_count;& o% V7 M) y4 n- Y F
- } e2prom_s_cmd;
; ~* N1 v+ F+ Z' H* e8 x - . U/ i. }; ^$ i5 o5 S7 R: D7 m+ _
- #define E2PROM_CMD_READ 17 O# H5 m5 @6 }) A
- #define E2PROM_CMD_WRITE 2
- [: ~% G" a3 J" |) d" x( \/ f - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
* k$ ~& j& ?6 g! B, g9 v' n8 j - / J. U3 Q. O5 ~3 E* F' P+ i
- static int readparam(unsigned char *mac, unsigned char *stbid)
' R, G$ J, U+ Q. t$ g* `/ d - {: i4 a; X" t3 F/ ^( N) W
- int fd, ret;
$ F0 @8 Z( B* f) u; P$ `' E1 x - e2prom_s_cmd arg;) f/ k. W: ~1 Y+ O6 \ Q+ p. S
- unsigned char buf[0x18];
7 ^# J( U6 Z! H* j* X - 7 r* }( b8 `8 Y
- fd = open(E2PROM_DEVICE, O_RDWR);- R, T( |+ @; ^1 A! d
- if (fd < 0) {* A$ E4 d. b+ C- e; {) d1 B
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 t% H _: V* M. r - return -1;+ O5 d% n" R! `% @! `
- }
6 t4 e% m4 V' A( K; c4 r - arg.sub_addr_count = 2; l9 ?. q# {- |, D
- arg.data_count = 0x18;$ O- ?, X9 h p+ N' F6 n$ I
- arg.e2prom_cmd_sub_addr = 0x290;- A4 X, X) K$ C' R3 o4 u" ?
- arg.e2prom_cmd_data = buf;
5 c# n" P7 ~! ]* G( ^- f - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 r) m. A& ?1 e* `, Z6 j9 u - if (ret != 0) {; }$ U! G- q& J, K
- printf("Device %s read error.\n", E2PROM_DEVICE);
# O, K% i& T% M2 W6 J - return -1;. Z" l7 R' |6 ~& t X) c
- }2 [# j7 j/ P f; u4 m# }
- memcpy(mac, buf, 6);9 A3 ^; C/ W, p4 [% d- }0 `
- memcpy(stbid, &buf[6], 18);
: ?( J6 l2 E: M - stbid[18] = '\0';' d3 r2 t1 Q# j; z( _$ ]( g
4 y# C; z+ z3 k) T5 |" `- return 0;
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- ! W& A4 L% q( K5 H; b
- static int writeparam(unsigned char *mac, unsigned char *stbid)7 Q. A. ~3 F6 n8 P
- {
* Z4 h/ Q/ Y# G+ U - int fd, ret;
8 E4 b* p$ A1 w - e2prom_s_cmd arg;3 }. Y" Y# Z* ~% M4 a
- unsigned char buf[0x18];$ H$ ^2 F5 l: u( ^8 A
5 T1 I2 {. ~1 V# Z7 h2 p' p, \2 n- memcpy(buf, mac, 6);
" v. S9 |; x/ Q6 D* w: t - memcpy(&buf[6], stbid, 18);
' P+ s: L& O! `5 Y7 c' L - fd = open(E2PROM_DEVICE, O_RDWR);
% h" U; h/ M- n9 x4 E - if (fd < 0) {
1 {, ]; G& l& I, G - printf("Device %s open error.\n", E2PROM_DEVICE);
5 Q3 O) r( ` e2 [ - return -1;8 Q4 |4 s& ]6 z' j) q
- }
% I! ~+ `5 M6 n9 P& R+ ], w - arg.sub_addr_count = 2;; y1 n5 U' ?5 c: m. L- f, l
- arg.data_count = 0x18;
: m* j2 W5 l" R5 Q! T - arg.e2prom_cmd_sub_addr = 0x290;
9 t7 e1 V5 E! g; z6 l+ U - arg.e2prom_cmd_data = buf;* s7 K% B' ~9 t7 U* k7 L+ m m
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
) Y- D+ w: Z, D - if (ret != 0) {
/ y- r2 _& V, @6 J# W - printf("Device %s write error.\n", E2PROM_DEVICE);% N! V+ I/ B0 a. n3 x J
- return -1;& \' O/ N5 q( m9 T/ ~& }% n
- }
' \; g# |0 ~* k J9 J( h$ \, ~ - 1 u" u: u3 F8 Z; a4 @' o& G; u
- return 0;2 Y* y% } X2 ~5 S0 Y6 u
- }$ |5 d1 x2 w9 K7 v f, }
- 5 A" {, K2 |; N2 I# C
- int main()& H' N3 R" b( p( p: l, ]4 C
- {
9 j9 C% q' E9 i4 p) t3 b - char c;* o7 ?$ a7 E t' _" D1 [
- int i, macs[6];
7 r5 Z" N7 t- b; _) K - unsigned char mac[6];
! ]: t8 A8 h8 x; E5 k - unsigned char stbid[256];+ ~; _% O4 u2 J7 Y, a! q8 i
4 ^' x( O! Y. o5 q6 q9 s- if (readparam(mac, stbid) < 0)( C" D- Z# o0 E- @# g
- return 1;
8 A2 ?1 w8 [" j: B$ h - ! k1 l3 I6 B0 x
- printf("Current parameters: \n");
. n. U2 s0 p8 _8 S/ r3 M y6 ^, R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 y/ @, X: o8 O) T! a* G - printf(" STBID: %s\n", stbid); T* u8 i% k, S6 b1 w
- ' Y& Q. x. Z4 L$ {
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% A* t7 L$ M: r5 L5 w) P
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
) R( g' I( R$ b4 u2 W3 b: K - printf("Input MAC error\n");
, S" u. t, h; D - return 1;8 I4 [9 U2 ]5 L, p: j
- }) I1 V$ e: R7 @+ X
- for (i=0; i<6; i++)mac[i] = macs[i];
3 z# ]& j! V. h& A8 d - printf("\nPlease input new STBID: ");
! c, `+ f0 K( _+ A9 _/ Z; n5 _! a - scanf("%s", stbid);4 P" f, B6 u0 o3 o! v/ m7 M9 e3 K
- if (strlen(stbid) != 18) {
7 W, D& P9 B- ^ f - printf("Invalid stbid\n");& i# |/ W. b8 ~0 w! j1 @% h" G R
- return 1;
# z0 H; w" S1 X7 k# \/ B& i - }8 u4 U/ C7 i+ K
- printf("\nNew parameters: \n");
1 g" s& k' ?/ `8 k# L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, S% J) R3 P4 ~2 d* R
- printf(" STBID: %s\n", stbid);
_( C" f7 i! m
! ?% [: p4 t/ A7 v, X- printf("\nDo you want to change paramemters? (y/N) ");* a& r2 x2 b# ]& C( K' Z2 F
- for (;;) {, `4 ^! C+ N w6 C
- c = getchar();' m/ V( D* Y- o5 E. Z
- if (c == 'y' || c == 'Y')( A( J' q1 p3 _' {4 J/ u
- break;
9 N% C) s* t3 v - if (c == 'n' || c == 'N') {" \# \3 s+ {) O' {0 ]# l. ~
- printf("\nAborted.\n");( A- T9 B5 t6 E. \& I; l6 B
- return 1;$ T" j a8 Y/ |6 l( S3 P9 p4 H
- }
7 Q# d; I s* S# n - }' {; A" l. a$ ~. G' j/ C2 `' g
- if (writeparam(mac, stbid) == 0) 7 x# E" ?2 I( W4 R
- printf("Parameters changed.\n");
' R. t, ], w/ j t0 {) {* _9 {
; n3 M# h h8 a/ [" `( ~0 u5 Q5 O B- return 0;* {, v' B/ l: P" K9 Z9 c0 f0 g8 X
- }
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