本帖最后由 0522 于 2012-3-21 23:04 编辑 - \" J6 Z/ |4 T, H/ v
1 S9 `% y: r; x- w- A修改的代码早有了。到今天不会编译。
( ~8 f! A$ ^8 n9 U4 f- Z- D需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
' B) w; S9 I5 y# w# ] [ - #include <malloc.h>
& Z$ L5 I7 b$ s0 K - #include <sys/types.h>! @! @5 `! ]* a8 ~( M
- #include <sys/stat.h>
2 E' |% @8 r% i- U/ D - #include <sys/ioctl.h>
( I, P6 C0 A0 e, b2 G/ T - #include <stdio.h>6 t; p- O0 Z* f
- #include <string.h>
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- typedef struct {
0 ~4 V. x) _" k8 u, X$ W0 s) b4 i - unsigned int e2prom_cmd_sub_addr;
% v- p T1 y, j* X z3 J - unsigned int sub_addr_count;/ U4 D6 F! ^* M% h
- unsigned char* e2prom_cmd_data;2 L5 C) I: K$ i$ F2 s( `' c
- unsigned int data_count;$ g i$ `, \4 j" k- d' W
- } e2prom_s_cmd;8 P2 |( n m) J2 N5 c4 o' r; u
- 0 R2 `, Y" \: f, p
- #define E2PROM_CMD_READ 14 B2 u6 ^- V. t/ O7 s7 b
- #define E2PROM_CMD_WRITE 23 v1 M: Q7 {+ e4 ^% p
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ b6 [8 m7 E7 k' ^5 d
- 1 V" {) H$ B" _7 o6 G3 j$ f
- static int readparam(unsigned char *mac, unsigned char *stbid)
5 Y1 C; B9 X ] - {
( F7 F, L D3 d$ e; S9 B2 I7 A - int fd, ret;
2 m! h( E9 a- H* F* R - e2prom_s_cmd arg;% Q P; A: E+ j" e, J- I
- unsigned char buf[0x18];1 Z4 {5 q% e! h3 L
- 2 n# R# Q5 _ r/ z- Q! g5 N
- fd = open(E2PROM_DEVICE, O_RDWR);4 ]2 X2 T* d) }
- if (fd < 0) {
6 g" d/ K. T% _% W2 U - printf("Device %s open error.\n", E2PROM_DEVICE);
: Y1 o7 H$ V: Z5 G/ J; u0 {( Y - return -1;
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- arg.sub_addr_count = 2;8 j0 ^5 H. a. X1 j, ~' I$ W
- arg.data_count = 0x18;, @, Q& h$ r) L! S' A/ y2 l
- arg.e2prom_cmd_sub_addr = 0x290;& j) {; Q6 L( _( [1 W! `; i2 t
- arg.e2prom_cmd_data = buf;2 `2 `3 ]/ v6 M$ P( y+ I8 \* a
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 G' y- h+ L. G4 `5 D; Z, V8 A
- if (ret != 0) {- L4 |0 S2 F+ ~ s! z( u
- printf("Device %s read error.\n", E2PROM_DEVICE); X9 T: t9 Y+ N; \- ?5 Y' ~
- return -1;
% W' g: }. X2 m9 t - }
0 C+ Y5 x" b3 p9 e" U7 Q- m5 k - memcpy(mac, buf, 6);
' O0 k- E, A. w& A: \4 i - memcpy(stbid, &buf[6], 18);5 c/ }" q8 E5 k. s' O
- stbid[18] = '\0';
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$ \% d5 g# u) ~. t& H- return 0;
& U8 u0 a @$ _0 I - }. o0 q3 N4 Z0 M4 g& z3 G
2 B5 e" m" c2 z3 \- static int writeparam(unsigned char *mac, unsigned char *stbid)! Z8 q& d4 B0 c6 h
- {
+ x6 X2 A+ s5 `' v - int fd, ret;
' @5 f3 x2 w( F3 h9 h - e2prom_s_cmd arg;1 C. I# @: Z4 H, x" d
- unsigned char buf[0x18];0 q+ m/ a% H5 L6 d5 u* Y/ M
- 5 }& x1 f2 P# Q' K/ w* S
- memcpy(buf, mac, 6);2 n: W& M) ~$ M5 w
- memcpy(&buf[6], stbid, 18);
" s, ^- i c( A- D8 O6 R% U5 @# q( a - fd = open(E2PROM_DEVICE, O_RDWR);
" ^, m# v7 f8 H% U: {0 p - if (fd < 0) {
/ x1 R& f }' [) i. m - printf("Device %s open error.\n", E2PROM_DEVICE);
: \$ ~5 q2 `& I4 M, w7 l( p. | - return -1;
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- arg.sub_addr_count = 2;2 V) |1 Q4 L4 g3 A$ o2 k* x8 C" f
- arg.data_count = 0x18;
1 X% c) [6 d: D - arg.e2prom_cmd_sub_addr = 0x290;
$ C8 n7 G; v Y# U0 @ - arg.e2prom_cmd_data = buf;
- O3 p1 `& W4 F- r4 d; k - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);) p- c5 d. T( r' y _: a+ z# l
- if (ret != 0) {& W8 \* Y: Q+ W W6 w
- printf("Device %s write error.\n", E2PROM_DEVICE);
% u6 ]2 b( P( H/ b3 X6 s0 B! w2 t- K6 y - return -1;
; o+ s {- h" y6 Y5 M" z8 K - }
+ U+ l) T; q; m7 v - / A& i3 N0 H7 ~4 q& o$ d% L
- return 0;" M: p8 i: ~4 Z7 [8 y$ G2 ]
- }+ q ^' d9 u D R: F
- ' r8 k1 Q7 B! P: S" E) ]; ^9 Y. }
- int main()
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- char c;
9 u4 v5 L( F; ?; i$ R - int i, macs[6];( m- T5 x- T0 f H7 |
- unsigned char mac[6];, o4 J; v l! {# {$ n/ a5 h
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)' j+ A+ C! A$ b! U W* i
- return 1;8 w8 k* w! O% k) j" F0 Y
- . _6 S% y' [/ L4 g5 a2 t( t
- printf("Current parameters: \n");" M/ R2 f( b" U/ T% Z- G" W9 {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# t; _5 x) P9 n; x. S+ O
- printf(" STBID: %s\n", stbid);0 u$ Y: X9 Q' f: \+ ^0 Z& X
-
( ^# W5 w- y3 b$ Y7 H& h8 h8 N" I2 { - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. N7 }9 G) i5 u4 l* J/ b9 R& g
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
, h5 a& I5 r: w' p! c3 Y - printf("Input MAC error\n");& \4 _, M; J! h z! e; M
- return 1;$ Z7 q5 P6 q3 ` ^2 l9 |: r- W1 \
- }8 a# k$ H* x; _0 A f
- for (i=0; i<6; i++)mac[i] = macs[i];
1 ^) l v* U, Z5 \0 _; W) Q - printf("\nPlease input new STBID: ");# O4 O/ v7 a2 [! X
- scanf("%s", stbid);4 N% O5 E4 D% E* N/ `
- if (strlen(stbid) != 18) {, O" a/ B2 A0 `. o0 [# Q
- printf("Invalid stbid\n");
2 C- a! [( F/ q. g& v9 W - return 1;- E8 i. U7 H1 E: s4 k2 ^/ \4 a/ e
- }
# G& W7 Q6 P5 } - printf("\nNew parameters: \n"); A; B8 z7 _$ K; c/ u- H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- O* {+ t/ |+ `0 u' W - printf(" STBID: %s\n", stbid);
# k) `! G' I, |3 {: J
+ O7 K V; [$ E% Z) S- printf("\nDo you want to change paramemters? (y/N) ");: u: s9 y/ z) u/ b9 j4 m" N8 n3 E
- for (;;) {
: L; f& _$ i/ V0 n; A - c = getchar();8 s: i/ _8 |( Y Q
- if (c == 'y' || c == 'Y')* C a# \& A. E3 I' |
- break;
. s+ ~9 d" \& h. m( \. ~) m2 J# | - if (c == 'n' || c == 'N') {3 J) g/ d# ~& |$ u% j
- printf("\nAborted.\n");
" {) I9 v4 u" v; R* a - return 1;
5 `; {% Q( ~& s - }
7 S+ @3 |# B" C8 I9 b* G% N8 E - }
/ q u7 F) l5 t$ [2 W" x. ^- w - if (writeparam(mac, stbid) == 0) 0 u2 h# z c, a5 o9 X. t$ B5 C" q, i# f
- printf("Parameters changed.\n");& ?1 }( A$ v* ?% f
# q$ I3 Q/ k) t! m" |8 G0 M- L5 A: Z, x- return 0;( f0 B2 _5 ^3 R
- }
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