本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
' S# c: z, m# n- X8 \0 Q需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, J$ H$ F. a) c
- #include <malloc.h>
" t$ s, T* i9 z; P8 s' v - #include <sys/types.h>& g# _3 F0 j! h, s0 {, v, D
- #include <sys/stat.h>4 P: E3 v" X* y4 R' D
- #include <sys/ioctl.h>3 ?, i* S6 }$ v4 U' `6 w }
- #include <stdio.h>
6 h) E: Y4 ?$ ~3 M" |: D( G - #include <string.h>9 F) s( ~9 e& Y% `+ l. A* e0 b; b
+ l8 [$ ^3 _( i" x' b& U- typedef struct {- f5 q. K5 X, k9 ]0 P/ M1 l- X
- unsigned int e2prom_cmd_sub_addr;
8 |9 ?, Q8 C" B: @ - unsigned int sub_addr_count;
9 u$ M. m* D X; T/ G8 q - unsigned char* e2prom_cmd_data;
5 ^7 h7 c& N5 l! Z4 `+ R - unsigned int data_count;
v, b% C1 n: v3 V9 o - } e2prom_s_cmd;
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! }6 q- Z+ M: F- r5 Y5 j- #define E2PROM_CMD_READ 1
/ P b5 X8 R$ B - #define E2PROM_CMD_WRITE 27 `3 ?2 F( Q; Q) O
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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; f" v& G1 \# ?- static int readparam(unsigned char *mac, unsigned char *stbid)& y( @; r: X8 A$ n+ K
- {% J7 @6 B! \5 k
- int fd, ret;
7 g; w2 b' n, V/ d% d - e2prom_s_cmd arg;
5 U, p8 @ q9 g; l. ? - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
- Q7 C6 E5 W4 R4 s q8 |1 \4 G - if (fd < 0) {6 R* @) W8 D5 _5 y% M2 ?
- printf("Device %s open error.\n", E2PROM_DEVICE);& v( C- T0 k. f c
- return -1;- s& o% u7 e3 f! B* G1 t
- }
5 q8 R" y8 ?' D& g; F - arg.sub_addr_count = 2;
* E! z/ j. @. g* W0 w: Y - arg.data_count = 0x18;
" f8 K7 D: V! _( J% S+ S5 P - arg.e2prom_cmd_sub_addr = 0x290;
: J, \' B% j/ c- l# e- z - arg.e2prom_cmd_data = buf;( {( V, y# j! c/ f7 g& {9 [2 P
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
8 y% S V4 V7 U; H' d - if (ret != 0) {
. G2 ?* C- d/ g* t j - printf("Device %s read error.\n", E2PROM_DEVICE);# Z; m/ I" s. V$ J( L6 h
- return -1;- g' q+ z" m' `* S( _% }) l' a
- }' ?* t+ t; x: o! S! \% x- x
- memcpy(mac, buf, 6);
6 c }8 M' a# E2 \ - memcpy(stbid, &buf[6], 18);; {" a5 S& u1 m+ p
- stbid[18] = '\0';
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)9 A0 o: \( L, |) r; d9 k( O2 L
- {/ r9 C( e; L0 E; ~' U# r. c
- int fd, ret;1 } { ^% ~# w' N' h! I# B2 p5 c
- e2prom_s_cmd arg;; C6 r( j `4 O3 q1 \2 _. n. d
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
$ U; R) k, `1 a* m - memcpy(&buf[6], stbid, 18);
0 g/ x$ W! F0 _6 g - fd = open(E2PROM_DEVICE, O_RDWR);
/ D! x( e( ~/ r - if (fd < 0) {
% @6 W o) ~ D8 M4 |, Y2 b& a9 X - printf("Device %s open error.\n", E2PROM_DEVICE);: Y R$ |+ |/ g: Z) x2 K/ }$ n' w
- return -1;5 U: v( l$ M; K2 F
- }
* T8 j) [7 I7 i B; y - arg.sub_addr_count = 2;9 p5 v, S- F0 |$ j* T, m# O- W
- arg.data_count = 0x18;
+ A) Y5 }3 k- P D6 W1 d3 x& L - arg.e2prom_cmd_sub_addr = 0x290;
! A$ @. m1 d. u - arg.e2prom_cmd_data = buf;
" j; `" X V6 `* N. ~: h4 { - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);0 }% r' y5 `* p% |" ~* Z
- if (ret != 0) {; y8 F" [& z& h$ h0 D
- printf("Device %s write error.\n", E2PROM_DEVICE);
! V/ E; E( X$ U - return -1; t9 X9 t( z; x$ m( G8 E
- }
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- return 0;
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6 M- ^% }# `; P" A5 [9 H$ o. e- int main()
5 Y% s7 L7 ~) Z7 Z4 m - {) m% R; Q* c7 y2 L6 i5 I$ B
- char c;
: [ ^ y4 T( E# _8 y) @. K - int i, macs[6];
; J# b! i7 v) ]1 U9 E- E - unsigned char mac[6];
$ ]8 O" E9 H0 c. K - unsigned char stbid[256];; T: o7 ^' z6 R1 s
2 R* O5 ], N- m- if (readparam(mac, stbid) < 0)
4 Q2 N! v. O' h5 J# C* p - return 1;/ I& I) _7 m- y9 B" f: k! L
# a+ n u: V9 t# Y, S- printf("Current parameters: \n");
; v/ e, h6 u3 T5 ] - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( b# Y6 x$ Z& Y4 S7 { - printf(" STBID: %s\n", stbid);5 r" P) i9 \6 ?! u' j6 ^5 B
- $ y& [) j! w9 O, K3 p# v
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ R1 [$ Z% p8 d/ f4 Z* H
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {' ?% a- c3 y: C( d
- printf("Input MAC error\n");0 ^4 R% r# s5 R8 U/ ^
- return 1;
# d" N* | X* x0 a - }
& H( @0 A' d7 ?5 W - for (i=0; i<6; i++)mac[i] = macs[i];
& U& W% l' _0 j" f& V5 a - printf("\nPlease input new STBID: ");8 K4 r j2 M9 c# p/ L0 M$ h8 t* Z
- scanf("%s", stbid);1 z2 J# V: n% W) ]" K* P: U. V
- if (strlen(stbid) != 18) {
0 a: i* |, o, D5 P; b! ` - printf("Invalid stbid\n");
! m$ F7 q* m. S7 a9 ~ - return 1;
7 ~) Z, T8 }- S, c - }
" G$ [) E+ i* u - printf("\nNew parameters: \n");8 k @; A0 X; T8 q; Z' B# S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; H* I3 ^9 C5 I! {/ k
- printf(" STBID: %s\n", stbid);, \! @: r1 B7 ?8 ]( F( L
- U8 B1 j6 p' Z6 g2 P1 o a- printf("\nDo you want to change paramemters? (y/N) ");
5 j' B( Z' j" Y$ y& n - for (;;) {
5 V; i1 b2 j# s8 _, ? - c = getchar();# Z, j( [$ I! J5 U
- if (c == 'y' || c == 'Y')
. P4 |1 q% t& j$ m! u! u - break;
5 O" T" x% t: L5 V+ K/ U - if (c == 'n' || c == 'N') {+ K- Z! r3 I! y: l& a w4 v
- printf("\nAborted.\n");; d# e- v- ~+ }1 J9 h
- return 1;9 m: H* a3 b8 l6 s
- }
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- if (writeparam(mac, stbid) == 0)
% L0 J; A; A" s1 d - printf("Parameters changed.\n");
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- return 0;
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