本帖最后由 0522 于 2012-3-21 23:04 编辑 ; B, z( g, _. X' S# R4 ~( ^
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修改的代码早有了。到今天不会编译。
+ _3 R9 I- g! Y( C# W! L1 G6 f8 Q需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>! l; x" o$ c; r& t( S3 g
- #include <malloc.h>
9 y1 _# Z& i# _9 M1 W) M0 s - #include <sys/types.h>
: M8 {; E. _+ b4 i( A9 S - #include <sys/stat.h>$ S9 @8 S9 G$ P
- #include <sys/ioctl.h>6 G+ j$ K5 Y6 f8 h* i# l( r. c
- #include <stdio.h>. U6 W, |; G6 p# Y* o
- #include <string.h>$ p+ }* Z& }' _4 B
- ! \* [( e4 K6 M& q0 T
- typedef struct {
5 A. B6 }% k4 b - unsigned int e2prom_cmd_sub_addr;
; J! F7 u. A- z2 s - unsigned int sub_addr_count;' k& X& |7 _, U' X
- unsigned char* e2prom_cmd_data;
# A4 W% x M4 W( B; f9 O7 j - unsigned int data_count;0 p! o* c3 \; f6 I
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1( Z% n% S- a, Z$ z
- #define E2PROM_CMD_WRITE 2! p0 R; C4 F4 P
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! y& @% W) Y6 ~- Q" e: a( o
3 n, @) i+ L' \8 `7 J7 \/ u- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;1 w! D, G' d4 H. G
- e2prom_s_cmd arg;
5 A; _5 W3 Q4 Q/ z/ R! x - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);4 T( F& |: [$ p" p6 A; B i7 j: l
- if (fd < 0) {3 V7 ~0 t1 o. Y' N/ z7 ]( z8 z* Y
- printf("Device %s open error.\n", E2PROM_DEVICE);/ d( g6 s) Y. D, ^: o% Z% U6 R& E
- return -1;
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- arg.sub_addr_count = 2;
& V- _' G+ p$ _. C' z$ v - arg.data_count = 0x18;
0 c4 J# p9 Z5 c/ z - arg.e2prom_cmd_sub_addr = 0x290;
4 K$ c, q+ j5 d, ^% a - arg.e2prom_cmd_data = buf; D/ D/ u8 \; x# t& I8 x9 j% R
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
5 j: T7 R6 p1 L+ `" a% ] - if (ret != 0) {0 f& l! |: E4 O W
- printf("Device %s read error.\n", E2PROM_DEVICE);) f) S& p3 c8 G5 u* P, y0 D
- return -1;
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- memcpy(mac, buf, 6);$ L" Y h0 z, U$ d9 ^* `1 k
- memcpy(stbid, &buf[6], 18);
% p) x( h6 {* K4 v - stbid[18] = '\0';
# P9 F4 g2 N% I# S
0 I0 H% y; U/ P" B" p9 G% l- return 0;+ q# p! E7 i2 u! w
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, ]! ]6 Y+ o5 s: {8 L- static int writeparam(unsigned char *mac, unsigned char *stbid)9 n& z }$ E4 V' E0 k: i8 w; w
- {
# O1 N$ {$ {/ Y; e$ V! W8 c: d - int fd, ret;! _ Q. U/ M8 s0 M9 [- u& l
- e2prom_s_cmd arg;. V6 T% s4 y; I, E, \5 h1 d
- unsigned char buf[0x18];
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4 X! }& J0 a" a3 }4 \. X e- memcpy(buf, mac, 6);
) ~6 y( C) S$ n( X0 G - memcpy(&buf[6], stbid, 18);7 E6 X) Q6 J, t% t! d9 q
- fd = open(E2PROM_DEVICE, O_RDWR);
( s- S# Y7 d+ M& z) o% T - if (fd < 0) {
& i( Y3 b. r# z3 T. d7 x - printf("Device %s open error.\n", E2PROM_DEVICE);
4 P8 H* |% Z; Y' q! A" q# X - return -1;6 K: \$ l" l0 V, W7 J( T1 ?& K2 X( u
- }
7 N+ ^4 y# \+ f$ O$ V: v - arg.sub_addr_count = 2;! L1 M7 D: C+ \. O) _
- arg.data_count = 0x18;
) H; f/ y/ q$ Y; @7 D - arg.e2prom_cmd_sub_addr = 0x290;# z+ W& ^: H9 q c" ~* D5 r& \4 Q
- arg.e2prom_cmd_data = buf;
+ i9 [, w4 `. v5 f( e. h8 ]" ?) t - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
& w9 u0 `3 O y' O - if (ret != 0) {5 H4 }& k9 n: Z9 K) U
- printf("Device %s write error.\n", E2PROM_DEVICE);
5 o' x& a& D0 r - return -1;
+ `0 R% A3 B& F- Y/ t - }
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& n3 `0 m0 _+ m: ]; {- return 0;. H3 h9 Y7 v9 L
- }
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- int main()
6 }4 B. }9 ]0 J$ |, H% F - {
, M( l8 U0 C$ Q, ?8 r& n - char c;
) V$ q+ b9 h- J% ~. c - int i, macs[6];
! I* |; ~( }, z* X. o" _) O - unsigned char mac[6];4 ~1 g# Z- p2 l4 J% v
- unsigned char stbid[256];
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7 ?9 s Y1 D4 A# r( S# w% h- if (readparam(mac, stbid) < 0)
- C, b$ h+ a- ?. R4 t( i9 Z - return 1;6 ~- A* {) ?4 K7 H
- " J9 S6 g) K$ n0 n3 S( A0 k O+ ]8 W
- printf("Current parameters: \n");
# T& Q8 q- F8 X1 t - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! [8 p p: Q3 O. n( A
- printf(" STBID: %s\n", stbid);
/ M! b( Q3 t0 [9 ] -
: X* O8 x$ O' ?& W9 g - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
y, e1 f [' k' Q+ B3 F ` - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 P M: T" [" Q" {0 Q$ `5 n! s( k) W
- printf("Input MAC error\n");
4 t2 l# H8 O- J) d8 E, v! D- ?* \ - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
; f1 B* s+ ~% M& j, E8 A - printf("\nPlease input new STBID: ");
8 t) A5 j( @2 g+ b% p& K - scanf("%s", stbid);
) Z5 j6 Y3 @4 b1 w% I5 I - if (strlen(stbid) != 18) {
' Q0 p% s, D( H" l8 E7 b - printf("Invalid stbid\n");
4 p# t( @ N i9 G4 C* p$ e - return 1;
+ a1 C' @/ M; c# \6 D& l - }" G* S( d! b; a9 r
- printf("\nNew parameters: \n");* H j4 p7 R2 T# K6 V! f# j
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( o( e, c7 T" G% O0 i0 D' Q
- printf(" STBID: %s\n", stbid);
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! Q; O `. _5 t5 n- printf("\nDo you want to change paramemters? (y/N) ");
' Y- J! u0 f9 p - for (;;) {" s: n/ X# n$ l8 J
- c = getchar();; {( n c9 G) B$ ]
- if (c == 'y' || c == 'Y')7 E0 _$ G4 H2 N) b; }
- break;$ Z, E/ a# a8 n% ~3 s& w5 a p
- if (c == 'n' || c == 'N') {# E, [# L7 N6 z
- printf("\nAborted.\n");
" ^# l; v, Y' U - return 1; q* G. ]# p# K/ O- S* K1 J$ l0 A
- }
; ~6 Y5 k! B7 ^+ N4 H) M - }
7 N9 @( P" b6 ~$ r# r - if (writeparam(mac, stbid) == 0) / |# P( }4 n$ \
- printf("Parameters changed.\n");, ^' R. z N" Q* F: ]5 Q! ]4 R
- . j0 [4 _0 j3 } _* S
- return 0;" K. k1 d: S/ Y2 Z/ z& Q
- }
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