本帖最后由 0522 于 2012-3-21 23:04 编辑
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! o0 E: T2 \1 F5 c% h* N( ?) ?修改的代码早有了。到今天不会编译。
- @: g" \2 {0 P% v$ u- e" O# p需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" V' h5 J+ [& U7 t+ R - #include <malloc.h>
) ^4 W" t5 |! d- C - #include <sys/types.h>
$ O9 ^8 f$ M6 C; { - #include <sys/stat.h>
! b' r R: x6 |$ E3 h - #include <sys/ioctl.h>' H- b X4 G9 P& y$ w3 Z
- #include <stdio.h>3 q# a- {/ A& F
- #include <string.h>
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3 L/ n: S C m, M3 l/ W9 x9 Q- typedef struct {: V% e& J# I7 M8 H4 W/ C4 f
- unsigned int e2prom_cmd_sub_addr;- l. A7 [+ |- d1 T$ c
- unsigned int sub_addr_count;
8 y8 |3 V. B8 J$ c! ?" E1 ^. C - unsigned char* e2prom_cmd_data;7 t" a9 g# ]! ~( S. U* H4 r4 d; e0 k
- unsigned int data_count;
0 K) @ F: k* m5 U' G: L% R - } e2prom_s_cmd;
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% G1 ?; `' X% j. f- #define E2PROM_CMD_READ 1, s' M `2 F" G" }3 ^& Z: t/ x4 M
- #define E2PROM_CMD_WRITE 2( n# N( C/ `7 D+ M7 o# P2 ^5 q b
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' |! \+ S) F' t z6 i# I$ M4 e4 M9 n
' ~! W: T& Y& Y) ?6 G) Z0 Q- static int readparam(unsigned char *mac, unsigned char *stbid)$ a& U- N! |/ z5 h' l
- {
) L- G# y! d/ T- w' r1 t7 I - int fd, ret;
) @3 ?+ E+ A3 V5 Q2 S* V1 a - e2prom_s_cmd arg;9 y$ O8 t$ G; c1 l7 `
- unsigned char buf[0x18];- z7 s# [2 w5 Y: O! z) B
* Q8 |- h% z( ?5 O4 D- fd = open(E2PROM_DEVICE, O_RDWR);
% }: Z. _# y9 v9 u; ?/ B6 C - if (fd < 0) {
m. P% L8 k. N3 } - printf("Device %s open error.\n", E2PROM_DEVICE);
6 x% K* w" g I& F' P' N - return -1;
& \2 H% \0 F+ V9 E8 o9 } - }* V V4 }; {, T: s# P( L
- arg.sub_addr_count = 2;
7 d8 p0 z* o$ m* b# J# Z' J4 W - arg.data_count = 0x18;' |3 _5 O1 b" t$ w% \/ i2 |
- arg.e2prom_cmd_sub_addr = 0x290;+ P/ z" W! `( s% b9 p" ?. R
- arg.e2prom_cmd_data = buf;
& V2 I% b9 b. T2 _+ W - ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 ?# L4 l: C0 ~( s& w A, T r
- if (ret != 0) {5 E! R& d" Z, U% o2 w2 G/ E. k
- printf("Device %s read error.\n", E2PROM_DEVICE);
1 j5 @3 U4 i( J+ r7 X' o - return -1;
% D- u1 {2 ]$ n, O5 ^ j* m# t - }3 U q5 k" V$ r- K! G. d; G
- memcpy(mac, buf, 6);
0 R7 X7 L4 |" ?! |4 y# p- z5 F' ~ - memcpy(stbid, &buf[6], 18);) h- F& w/ l/ @* q
- stbid[18] = '\0';
# j( G! D S( N2 `7 e8 J. \
! X$ u& P% U* l2 F/ q0 h6 |, n- return 0;
9 Y3 H: j+ b3 c - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
# C0 N$ V2 `" {/ m) e0 h b0 C - {1 L6 l2 W+ G" A, w. w! \
- int fd, ret;
/ t* O- L+ `2 ]0 P" p5 m# f - e2prom_s_cmd arg; @% @1 }! B" l2 S
- unsigned char buf[0x18];4 H2 H% z4 {2 `4 U5 J: b" u+ e
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- memcpy(buf, mac, 6);& l1 g( W0 D9 D0 t! e0 d! c; A
- memcpy(&buf[6], stbid, 18);! l* w: W" r8 E: y+ |( x. c+ z5 _
- fd = open(E2PROM_DEVICE, O_RDWR);
$ k5 P- z/ r, N( Q1 L. N - if (fd < 0) {
* \! F' u2 Z4 k/ |/ Y9 S$ M' s, f: t$ p - printf("Device %s open error.\n", E2PROM_DEVICE);
* T* e' _% u. _; u% f - return -1;
! K1 q6 Z" b) f - }6 [0 `0 O: Z2 W* N
- arg.sub_addr_count = 2;
: V! Y& D2 E y7 V( K. _ - arg.data_count = 0x18;
0 H9 h% e7 b K& u5 S, e) K - arg.e2prom_cmd_sub_addr = 0x290;: B$ y+ L @7 Z. l7 j( S
- arg.e2prom_cmd_data = buf;4 w2 Z9 x* w" P- |/ m
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
* P, H4 W* Q' t/ N0 R - if (ret != 0) {% M m$ Z+ {* M1 Q" Y
- printf("Device %s write error.\n", E2PROM_DEVICE);
# Q# \: N4 X5 P! B - return -1;) k& {8 n/ ]$ b$ y
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2 X0 i1 I* ^" g" n9 ^0 k& j- return 0;# D4 Y3 E+ ~+ P B9 p9 o9 A1 u
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. y( B, |! _* H( P3 I, h# `; w- int main()8 \' B1 [. @) [
- { s; B' m2 Z7 F$ J
- char c;
5 {4 s1 H. Y+ E; f6 V) G F1 d - int i, macs[6];
- X) U, t* {/ q+ o. o2 o, T - unsigned char mac[6];% [5 q/ z" U; S D. }) ]; q/ R
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)) g8 ~ K) ?* k- \$ Q
- return 1;8 n: O; n" B+ F s8 ~+ m( O ~9 [1 J! A
- 3 U4 ]: ?! q6 a0 s
- printf("Current parameters: \n");, B' x) S9 T/ `" z$ T4 D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: Z8 S, K' T1 ?. | - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ r; m1 d/ D$ |, h" q% u; w
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {+ q3 A$ K0 J8 G8 q
- printf("Input MAC error\n");
' j+ ?3 u7 i. d& U ~" D - return 1;
' ?( W/ {2 @6 E5 m U - }
* ^* L! {$ N( L7 s3 V# p* g0 X - for (i=0; i<6; i++)mac[i] = macs[i];( |' M2 O6 u4 v& ?
- printf("\nPlease input new STBID: ");
0 S4 h& P( l/ @! V - scanf("%s", stbid);
" ]' U+ |6 N- }0 U8 n) [8 L1 { - if (strlen(stbid) != 18) {$ y+ `+ X1 `) i5 m
- printf("Invalid stbid\n");# t$ ?9 i2 f4 I0 u6 x: |9 g" o
- return 1;" _, R& Y6 N5 c( H# K4 ~
- }
! `7 ?" [3 t6 C1 n! L4 q `7 e - printf("\nNew parameters: \n");
: X: U# u- ~# R* _) u+ \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; Q# J0 ?$ J+ K! h c; d
- printf(" STBID: %s\n", stbid);- y' N$ u" C% i4 |
: p* R; a$ |6 i' P8 ^6 @+ ^- printf("\nDo you want to change paramemters? (y/N) ");
+ \0 H/ ?2 o; ]/ E - for (;;) {- m z' N7 m& H
- c = getchar();
3 Q/ U: g/ J- H' M( _4 R - if (c == 'y' || c == 'Y')
* O' A# F% I% x+ Q. e" b0 f - break;
+ O; K( G7 P' ` | - if (c == 'n' || c == 'N') {
9 ~# E. V# Z) Q+ U - printf("\nAborted.\n");
8 d* M7 l1 u, l# h - return 1;8 f0 W2 D5 S/ v8 U
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- }4 e+ M: O/ K& I) S; @0 ~* p
- if (writeparam(mac, stbid) == 0)
# r/ l1 S0 z0 V1 d - printf("Parameters changed.\n");
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- return 0;5 Y0 i7 ?4 O/ L/ q
- }
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