本帖最后由 0522 于 2012-3-21 23:04 编辑 , @$ w/ @( X8 S- k2 w- Z
* I7 ?+ e9 J; j2 l6 p# g修改的代码早有了。到今天不会编译。
$ `; e: d* ^3 O7 ]2 g. [' o5 ~需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* R" D' P& r) @' f* m: B) n
- #include <malloc.h>
% p* [5 a% N4 L% D3 U/ e$ Q/ \8 m - #include <sys/types.h>
D# ^* n7 j7 p8 d I - #include <sys/stat.h>
$ @$ o$ a8 X' t4 y2 F. G5 j - #include <sys/ioctl.h>1 b( i6 ?# W d1 R, c8 q. S
- #include <stdio.h>
( Z/ p% K& \! R% h - #include <string.h>4 H) a# F+ o& u
; ~4 c( q. [' I& R3 e9 a7 K- typedef struct {" J' }# B7 p! X+ Y, i
- unsigned int e2prom_cmd_sub_addr;# \, a, i2 W4 T7 k" ^+ x i
- unsigned int sub_addr_count;
! V( Y2 `9 Z8 @* z - unsigned char* e2prom_cmd_data;+ Y! ]% ?3 M' W1 h
- unsigned int data_count;
0 c. O5 C; f" W# t+ m6 h+ ^ - } e2prom_s_cmd;+ d3 v1 F: l/ {' H% l" N" I
- $ t9 Q q# t1 C7 C+ ?: x
- #define E2PROM_CMD_READ 1. Z- O1 N: x: ]! E& M7 D
- #define E2PROM_CMD_WRITE 2
- M- D, p a, b( B4 R - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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5 `; X' U1 z6 P- static int readparam(unsigned char *mac, unsigned char *stbid)8 u' ^; d& s3 @/ P. O
- {
+ p5 r" k8 M4 H& k! a - int fd, ret;* }7 g2 a4 z) }, q1 S+ k
- e2prom_s_cmd arg;
; c/ V; y& \9 w6 x0 ]1 g7 P: S& ~ - unsigned char buf[0x18];. g- Z* ?1 h9 C; J) z- o
- # [# p% c% v8 |$ I
- fd = open(E2PROM_DEVICE, O_RDWR);
, p T1 s) X- Y: @; N - if (fd < 0) {& j7 [& D' R |7 ~1 f. @0 ?
- printf("Device %s open error.\n", E2PROM_DEVICE);
; y/ a' z5 a- O - return -1;3 g: e$ P/ v6 t, H5 r
- }
) z" C! i- {& ~ - arg.sub_addr_count = 2;
& y [4 U7 {# R# W0 m - arg.data_count = 0x18;
; \$ V/ R- B0 L: y - arg.e2prom_cmd_sub_addr = 0x290;3 c! k+ e# w; }
- arg.e2prom_cmd_data = buf;9 [9 J. o: Y3 y2 |
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, s& ]5 T8 ^- Z; V - if (ret != 0) {
' @; s; k$ m5 e, X6 j - printf("Device %s read error.\n", E2PROM_DEVICE);; }0 z$ U* Y1 P, O
- return -1;2 l" ?# P0 v, l c4 I
- }
1 x8 L3 u0 Y' w - memcpy(mac, buf, 6);
; s/ K2 |# ?# _" m1 [- L - memcpy(stbid, &buf[6], 18);
7 t: E2 V# P( ~% L - stbid[18] = '\0';4 L8 _) y2 `0 _5 e6 w
& K' R$ V) j/ C" k1 h( e- return 0;
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- / ?9 ^9 R' i/ R: d" i# t- `
- static int writeparam(unsigned char *mac, unsigned char *stbid)# @! F1 |" N1 M! f; k# A$ f
- {
0 C; N' n6 p& @ - int fd, ret;! [% M [8 k& I% y" o& K2 K
- e2prom_s_cmd arg;
C# {- I+ y/ i3 P) p - unsigned char buf[0x18];
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`$ g, ^5 K" q$ @) ?9 Q2 J8 U- memcpy(buf, mac, 6);
. q) {/ ^0 L' d/ Z' o( D8 G8 x - memcpy(&buf[6], stbid, 18);
" q( J: Z+ Y, G- y - fd = open(E2PROM_DEVICE, O_RDWR);
: M+ M' g' L4 ?( w- L9 s$ _9 y# o - if (fd < 0) {# ?% o% [6 | v+ w; K; V
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ Y: T j1 X5 Q U) g - return -1;
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- arg.sub_addr_count = 2;' a! \* C1 B0 q1 S3 M
- arg.data_count = 0x18;
1 @4 {& e2 V; u, k: e9 A, Z6 e - arg.e2prom_cmd_sub_addr = 0x290;
; J% g# `4 n/ K- B& q - arg.e2prom_cmd_data = buf;6 T+ n1 l" D/ R! M4 a4 d
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);% u! d$ P/ A0 L* t! d q
- if (ret != 0) {( S8 C; f' C# c) ?+ q
- printf("Device %s write error.\n", E2PROM_DEVICE);3 [. Z; Z2 X$ _$ q) i% C7 Z
- return -1;% S. ~+ K4 W& X4 a
- }' [* J$ ` V5 v! C- S' i
, X- f0 e: Y$ [, V$ ~5 a5 M: l" K- return 0;
: v1 [$ t9 h, }; A) r - }
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- int main()
" p6 D8 r/ q5 f - {
; S% s$ J# q2 O& m' i* C! i - char c;" J$ o8 ]5 T$ S/ P# f; L; `0 L' K
- int i, macs[6];
, l2 P( K- H9 T: r. ?/ d - unsigned char mac[6];/ @% R, e2 c7 k
- unsigned char stbid[256];. x+ H/ c' {2 C7 u7 @4 Z# {$ E
- 3 o' R+ D9 e- Y- A) y9 Z- h
- if (readparam(mac, stbid) < 0)
! ~$ g; ^! S4 I4 u: K% i: } - return 1;! x& w* D/ H, t$ D+ S
- : ?# T' N9 j# U, C' L, b) s
- printf("Current parameters: \n");% w. L1 u, o9 {1 u& `+ A
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 F K9 ?. j, Q1 n! a3 O: R7 ?
- printf(" STBID: %s\n", stbid);5 c3 g/ p( O3 n3 J1 K1 O
- + |$ \: q3 l0 j
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ v* L5 A' v9 f8 f6 Z- H - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
" n; J5 H; }8 E! p5 i - printf("Input MAC error\n");' M# P- Y2 S: ]$ X
- return 1;* O) H$ H" s; F; w
- }( R: }8 e& d' ~
- for (i=0; i<6; i++)mac[i] = macs[i];
; ?2 D4 N* C# N- t1 ~' K* @ - printf("\nPlease input new STBID: ");
: S. n! ?6 `( T* C+ l; U - scanf("%s", stbid);
4 w; l/ C! i& @2 c) S' ?' O9 O) o - if (strlen(stbid) != 18) {: f) i0 N7 H6 `6 h) C
- printf("Invalid stbid\n");
4 I4 e5 D2 e1 h, w; p$ d - return 1;
8 m, w3 ^) n4 x# g1 X7 u - }
3 x. `( q: L% E r2 u! t2 m8 R - printf("\nNew parameters: \n");
, m" F9 r, D0 o! m- B; b" u2 I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) l* c: R9 `3 ]- p8 P- L8 C$ A
- printf(" STBID: %s\n", stbid);3 ^9 u4 ~- h; Y
6 |) J1 i2 _/ ]) ^0 u1 H, a- printf("\nDo you want to change paramemters? (y/N) ");
6 ^9 @) Y& r# Q1 [0 F9 K - for (;;) {1 P; ~: [ E( x1 g/ I' v' ?
- c = getchar();$ }* M( |; z9 V/ x2 y
- if (c == 'y' || c == 'Y')# u+ \' T$ z) A, |
- break;
& B* R; p$ ?/ Q# u - if (c == 'n' || c == 'N') {" E3 z& G- u; }& g# M5 _8 W
- printf("\nAborted.\n");
) F0 D" r* C+ p4 f) }& {/ ~ - return 1;0 B) L# Q% ~0 K/ {0 Z& s, v1 ]; r
- }9 C9 N. k W2 I. M& ?
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- if (writeparam(mac, stbid) == 0)
' c7 e& P; e. t- s - printf("Parameters changed.\n");
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( s7 V7 U3 S3 B4 P e( t+ V- return 0;
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