本帖最后由 0522 于 2012-3-21 23:04 编辑 6 I; S5 |& H0 w' ~. \3 I
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修改的代码早有了。到今天不会编译。
0 z% R8 t1 |# t) j9 ~" [; [4 b需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
^' E9 Y/ C' }/ u& E. Z - #include <malloc.h>- C( w5 R4 Y- h7 K
- #include <sys/types.h>- {- g d' x/ A
- #include <sys/stat.h>! r. `( [. v0 I% x* H, E* N3 D
- #include <sys/ioctl.h>; g, E8 \& {* g1 ]8 c6 O
- #include <stdio.h>
+ x+ a1 E n3 c - #include <string.h>" I& u. Q. a6 i2 [0 |/ T5 l# W
- 6 W" C- ~2 S! q! R P. R. R# f
- typedef struct {
6 {( H' L* M% O - unsigned int e2prom_cmd_sub_addr;% z) J1 \5 F1 @5 ]5 x
- unsigned int sub_addr_count;
% q9 Z. ^5 r1 f- M% N1 y5 Y - unsigned char* e2prom_cmd_data;
9 @9 @& \" w. W9 v6 ~8 k - unsigned int data_count;
- |! C- q6 _8 J& h; s - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1, p0 p$ `- C/ F8 i; j
- #define E2PROM_CMD_WRITE 2
0 L/ C+ w- r1 F0 A8 L- O/ B4 Y - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 e# j+ u( p' P. U) G
% ^9 g0 R, N8 |- static int readparam(unsigned char *mac, unsigned char *stbid). P/ }& I& N% ~. N5 O! \& S
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- int fd, ret;: R; H3 r, z! B- X2 j& ^$ L6 z6 M: V3 S
- e2prom_s_cmd arg;
0 H+ f6 S+ ^, j% Y - unsigned char buf[0x18];
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: |# M# f3 L! }; D C9 ~- fd = open(E2PROM_DEVICE, O_RDWR);
: F+ F3 \" a k9 E8 f- N - if (fd < 0) {2 c% l) u G* a) t8 z2 }
- printf("Device %s open error.\n", E2PROM_DEVICE);
# X$ I% P* @4 U* D! a8 G% t - return -1;
! b; K# V5 M' j0 i' }8 \1 g - }
( A k0 g I" }3 b& B - arg.sub_addr_count = 2;. f. q* N$ U5 J+ ?7 c* E
- arg.data_count = 0x18;( z! w, ]8 N8 b0 k8 E2 \% i
- arg.e2prom_cmd_sub_addr = 0x290;( h6 Z0 P! _: W, M- D' X6 _
- arg.e2prom_cmd_data = buf;
$ k7 A7 p8 G, T5 b - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
; F% Q' m1 V a+ i0 e0 D - if (ret != 0) {4 R- F% { ~/ s7 x% y5 v e/ I
- printf("Device %s read error.\n", E2PROM_DEVICE);
5 N* r+ J5 p0 _$ H0 M8 \ - return -1;
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- memcpy(mac, buf, 6);
/ e7 N+ A# q* E8 ?- ] - memcpy(stbid, &buf[6], 18);* \( Y9 @$ p H7 F1 ?& Q& W$ b
- stbid[18] = '\0';6 R$ |# S# a# l ]
7 c7 H7 o4 q$ s6 k% O! w+ `- return 0;7 O( C! c$ t1 M% ?* ~1 T0 C
- }0 q$ f9 ^% p# ~
- 8 r3 r3 ~8 \1 H1 e \% m6 ~
- static int writeparam(unsigned char *mac, unsigned char *stbid)
6 C0 Z& s# {& Z, S* c - {
& X, }/ K. S6 w& Y- d - int fd, ret;, ]! a2 l' g! @* w d
- e2prom_s_cmd arg;
% k- u, `, d. ]7 G1 n1 a2 J. t - unsigned char buf[0x18];
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) G7 b2 g+ F0 \( a- memcpy(buf, mac, 6);3 R' U" p% g) ?0 I
- memcpy(&buf[6], stbid, 18); s; T0 w! w* I) |6 I+ |0 i
- fd = open(E2PROM_DEVICE, O_RDWR);6 D: ~! {2 ~2 \6 Q2 f
- if (fd < 0) {& A* a; _* z/ y
- printf("Device %s open error.\n", E2PROM_DEVICE);1 u0 P+ K$ c& e2 s* K# Q! n. [: U
- return -1;3 E# q# G0 E3 T3 N+ X5 |: F: I
- }* d' V" V" ^" J* H
- arg.sub_addr_count = 2;! S/ r. M, z3 k2 K/ n4 P e
- arg.data_count = 0x18;1 @0 ^1 h0 H# @9 E* \% U1 t
- arg.e2prom_cmd_sub_addr = 0x290;% c! _$ _0 b: f M
- arg.e2prom_cmd_data = buf;
. j# p7 J ]. y- }. E - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);. d4 @* M5 A C8 Z, U
- if (ret != 0) {/ y6 I% J" p- E% C' q8 ?
- printf("Device %s write error.\n", E2PROM_DEVICE);
6 S7 |1 ~$ c$ x' ?0 T - return -1;
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- % I! `7 F1 F# T0 C
- return 0;
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7 C4 P% P( }) t' l/ i0 [/ X, j H- int main() W2 b: n# G4 y& d( M' D$ p
- {+ X- c2 X4 m: |3 b8 \' C
- char c;
0 a2 @0 W1 Z+ z7 D+ x! h - int i, macs[6];- K6 ?2 Q" {+ Z' o1 u/ ^
- unsigned char mac[6];
: z- e( |5 @; ~ [8 w3 R3 Z - unsigned char stbid[256];: d$ ^9 Q; u/ e; F- L! G5 F1 p
; D! @& `- ~6 n- if (readparam(mac, stbid) < 0); i2 R- v: u& p4 g4 B
- return 1;7 Q4 S2 |3 i2 {6 c2 j1 y9 B1 i
- : Q- B# M+ `* o
- printf("Current parameters: \n");
# q( S I2 v3 t6 f7 v( R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 S1 T0 X' \. {9 j8 K7 Y2 @
- printf(" STBID: %s\n", stbid);7 `) A/ j( Z X/ C: t8 `
-
- L& B; S- j; L B% P4 _0 [ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
0 |" f x4 Z: K! `$ l4 [7 u. t - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ K; E6 N4 N4 n! ^ - printf("Input MAC error\n");
9 E: c0 N+ E7 c* h! d9 G D - return 1;2 ^# Q" l l, [
- }
) E% A( Y+ t, v0 H, e' N - for (i=0; i<6; i++)mac[i] = macs[i];
- j, z2 |. r" K6 O5 p* J' O% k - printf("\nPlease input new STBID: ");8 o7 c6 J: L7 B7 s! X
- scanf("%s", stbid);4 M4 D) t r9 J% j* v s8 {
- if (strlen(stbid) != 18) {- P, h4 ~3 S3 D; y5 r
- printf("Invalid stbid\n");
) U8 a: `; L2 d8 m7 B' o( g - return 1;" R1 q* ~/ \; g4 @, z8 F" h. |
- }5 M% E. e& Y$ ` n
- printf("\nNew parameters: \n");
9 C6 ^4 q( M5 A - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 z: Y! f2 m O - printf(" STBID: %s\n", stbid);. a8 n1 R8 A3 }7 I! g, K% ^1 s
! w* I# t$ s: K9 l- printf("\nDo you want to change paramemters? (y/N) ");
% r7 `) O. N* |' C$ m/ F9 V - for (;;) {( S- e* W- K5 U5 e) w" `
- c = getchar();
: ?- l/ p' F$ W - if (c == 'y' || c == 'Y')" T* Z0 z" G% R8 c
- break;
* o8 y6 S0 U) s9 ? - if (c == 'n' || c == 'N') {, }1 e! b5 P" ]
- printf("\nAborted.\n");4 D, O0 b1 y* ?( ~. S
- return 1;- M$ ?# c, [4 q! X
- }
! s4 ~2 R) i+ j, k: D - }
, m2 H5 [4 v2 d) T' s* S - if (writeparam(mac, stbid) == 0)
6 m+ r$ M3 }# H9 o- D, s9 \4 v - printf("Parameters changed.\n");) ?7 w6 F' E. Z/ u
, q8 e( `% u% a# Q; H- return 0;
6 { e( @+ W" q1 ]( x4 y - }
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