本帖最后由 0522 于 2012-3-21 23:04 编辑 ( l1 s8 R% {5 V. A) m
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修改的代码早有了。到今天不会编译。
; a3 B! p8 Z" C' O3 m9 z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 _: j1 I2 J: A+ f# H
- #include <malloc.h>
3 n9 N* O0 J% `4 ]7 e9 v# M% S+ n - #include <sys/types.h>& y! L, L& c) z' a
- #include <sys/stat.h>1 `2 d! L: Q3 F6 ~9 m" S
- #include <sys/ioctl.h>
5 E* {0 I% N- S0 W: B - #include <stdio.h>
8 F8 Y+ ?7 |9 k% ` - #include <string.h>$ k6 s, F' Q, b5 x/ o
- ! j& K5 g' `) {! x" T/ n( j
- typedef struct {/ R: p$ b9 {& @7 p" i+ F
- unsigned int e2prom_cmd_sub_addr;
7 f8 m `% l: Z& ^: d - unsigned int sub_addr_count;; d0 S" M' H0 |) u5 ~" t
- unsigned char* e2prom_cmd_data;
b. O6 W4 D' e2 G: b% B8 Z& e - unsigned int data_count;- X1 P3 h' c( v& X$ V
- } e2prom_s_cmd;
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$ A' {/ z4 s' X4 Q$ S) k0 `3 H- #define E2PROM_CMD_READ 1 j1 o* ~0 f3 H# I+ J' s" n
- #define E2PROM_CMD_WRITE 2
9 ~, U0 f% c9 e {0 y. N9 r" W' i - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
/ j3 \' m+ Q4 `* I7 T8 k# [
7 K. Z% Z9 q1 F, w @; l- static int readparam(unsigned char *mac, unsigned char *stbid) \) \. P" y# c9 _9 Q
- {
4 [& J, ?- D$ m4 i2 t2 v4 d - int fd, ret;' W: G# ]1 d! L6 r' j
- e2prom_s_cmd arg; Q7 k; R; A( T$ H- E/ R
- unsigned char buf[0x18];$ P0 R! K9 f( a* I& \" [
% ?1 _' e% ?& v" i4 X/ J# D1 T6 p- fd = open(E2PROM_DEVICE, O_RDWR);
. D, W% y: I( m6 e; x4 U - if (fd < 0) {7 F% s/ w3 z# M, `0 T( e* P& K
- printf("Device %s open error.\n", E2PROM_DEVICE);) d- F, t. e- r
- return -1;" K1 K' h' j, b, r$ M
- }
4 p' Y5 ?, V) B" f+ q - arg.sub_addr_count = 2;0 T+ K8 v+ p0 R' T
- arg.data_count = 0x18;9 O' K8 r" W( u
- arg.e2prom_cmd_sub_addr = 0x290;& a& U6 S3 U8 R4 ]. J
- arg.e2prom_cmd_data = buf;
8 u. Z. W7 W$ l3 G4 Z9 d$ l: M - ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 e! {+ k3 ]* N# b, G8 K0 Y. t
- if (ret != 0) {% S7 F) ^: Y8 H* t( u0 C1 @8 m5 m+ }
- printf("Device %s read error.\n", E2PROM_DEVICE);3 s/ q7 i: h% u# A1 `+ ?. r$ Z" _
- return -1;
9 O& @7 @( t. h7 h9 b' v* y - }
" X+ y: ?+ t( b5 r( g+ h - memcpy(mac, buf, 6);
K" T& ]1 [ W- o, a - memcpy(stbid, &buf[6], 18);
: J8 S$ x8 W* i1 m% M7 U! @# t - stbid[18] = '\0';! Y9 c! L( M+ J
; Z* y0 O. H4 q) d" F b! v- return 0;
3 M: }& U0 L5 b7 o+ ^% [% B# ? - }9 I9 b6 p! s4 D0 u
: R, R/ S1 k5 G1 u% [; K- static int writeparam(unsigned char *mac, unsigned char *stbid)
% E' W. T: R8 X/ ]7 i; p - {3 S3 W4 |+ J/ H2 W
- int fd, ret;0 M0 {" G) @# ^2 ~+ r. ^, b! q% G
- e2prom_s_cmd arg;
]: I \5 g8 [: Y& J - unsigned char buf[0x18];
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! B B# r1 e* p# e+ }- memcpy(buf, mac, 6);, D" |! H7 l7 o5 s1 I
- memcpy(&buf[6], stbid, 18);% I0 L' w P3 h7 o
- fd = open(E2PROM_DEVICE, O_RDWR);
+ A; t7 O* o9 t s - if (fd < 0) {
( T& q7 g' J3 o3 k) J, G3 b9 ? - printf("Device %s open error.\n", E2PROM_DEVICE);+ {+ u& q9 M, B0 M
- return -1;
# a' f6 b2 d, o, E9 x1 d, z - }8 l1 u% T, E7 B. C* |
- arg.sub_addr_count = 2;
1 _! P5 E& N# A - arg.data_count = 0x18;
' j: R8 ^2 H0 ? - arg.e2prom_cmd_sub_addr = 0x290;( l* ~3 ^2 z/ F9 }% k6 ]& w2 H1 L
- arg.e2prom_cmd_data = buf;$ a6 O; ^2 @5 u4 v1 h! Q& d8 H
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);( p+ I4 x4 g1 y) P4 h- y6 h! Z
- if (ret != 0) {+ K4 p! Z. N; J. K. F2 c
- printf("Device %s write error.\n", E2PROM_DEVICE);/ h% Z e' M% `" f6 k6 i; A
- return -1;
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- ( c5 r; }4 z! \4 B& w
- return 0;8 E) f3 h6 O# O! U8 \) @
- }
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- int main()
" C& {3 W& t9 @ - {
; j3 \ _5 {. T f* o) m - char c;+ d; ~1 T$ `7 b5 Z0 N
- int i, macs[6];" N4 U ?4 R. g* Y4 u7 Q/ s* o5 U* y
- unsigned char mac[6];
2 \9 T1 G3 O- W1 V# k7 W& E - unsigned char stbid[256];7 ]: w7 C. t+ u& a
- " @7 U7 f1 m8 a' ]* g% f' U
- if (readparam(mac, stbid) < 0)
7 o8 N+ v1 D* \* x1 ] - return 1;& y( y0 r# I' s+ b' C
0 q, k# y3 J" z- printf("Current parameters: \n");" V' [8 c2 A O$ B( T! Z/ j
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 R6 X3 A; g. u9 g. A - printf(" STBID: %s\n", stbid);
! c5 d& d8 J; w" y8 X) X -
# n5 X5 s4 f, _ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( W" I4 u0 O7 e" s& Y/ s - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 u3 g5 g3 q: }- t" k2 h - printf("Input MAC error\n");3 ^: r. E+ g2 M. S
- return 1;; L, z( X6 y5 b) I8 I
- }. b; T8 r2 O! e& [! X
- for (i=0; i<6; i++)mac[i] = macs[i];
$ {( \# C1 `- A# t# w - printf("\nPlease input new STBID: ");( c) V' l9 `, r/ b/ B( G
- scanf("%s", stbid);
$ X9 P# E/ E; p. C6 ]1 i1 x( B5 c - if (strlen(stbid) != 18) {/ n- a' @% t% r9 l! B# {' B+ R6 I$ R, H
- printf("Invalid stbid\n"); ]% F3 h( h! L4 ?* f
- return 1;* j; @' L% v9 J! }1 p
- }
- J; i7 l$ c! e" b - printf("\nNew parameters: \n");) H0 s. A: F$ T, [# K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" ^2 P, [0 R. M4 | - printf(" STBID: %s\n", stbid);' r. t/ [- ?% v
' f. F0 _+ \0 }7 o7 Y; m" B9 P- printf("\nDo you want to change paramemters? (y/N) ");
6 w7 S% y$ Z& F t2 G - for (;;) {/ V+ Y* P4 f6 X( ~/ l! s, o; w
- c = getchar();
8 `/ D- [ k6 f8 m1 W3 |4 Z+ y - if (c == 'y' || c == 'Y')
\% @2 k$ t9 z) L$ f - break;) W' S0 I! I% y0 v3 ^4 a+ n' c, X: A' q
- if (c == 'n' || c == 'N') {
W4 r( b( a* h( P& o& x - printf("\nAborted.\n");" _( D T* l6 H, _5 _+ p
- return 1;
" `" v1 a z. m4 W - }
2 O* J* e) @, L# S! ` - }0 y7 d! Z- L$ _" W; \2 J
- if (writeparam(mac, stbid) == 0)
- e* ^0 }( M( c' k6 x - printf("Parameters changed.\n");
3 ^: A# n7 A$ V( A' l
1 C* R" `' x9 l- return 0;' H) `( |; G! S; `
- }
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