本帖最后由 0522 于 2012-3-21 23:04 编辑 2 \# L4 E2 _: c8 N4 y# h
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修改的代码早有了。到今天不会编译。& v5 T) v- V* Z J. @: k
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- Z5 M( X `7 K
- #include <malloc.h>8 o+ b. W) d7 _- S0 J
- #include <sys/types.h>. Z' Q" R$ Y' O# d4 ]' n3 Y+ q
- #include <sys/stat.h>" O I; [4 g# X r+ O
- #include <sys/ioctl.h>
`" R4 M( e) I; C9 r4 t m5 c - #include <stdio.h>" ?# ~( R0 _! q0 P/ K4 P9 _
- #include <string.h>& X% D0 D9 R0 ~: v* h ?
- 2 B3 ^; O4 S/ z0 @; _' J8 R
- typedef struct {! @( u" D$ o( T
- unsigned int e2prom_cmd_sub_addr;- o! E" R, t! ?3 |# D0 @
- unsigned int sub_addr_count;# P5 o7 `+ O, p5 s% B" L2 J# D. K
- unsigned char* e2prom_cmd_data;) j3 O) j9 J# j/ W# W3 J& e: {, Y
- unsigned int data_count;7 ^( h' J, x5 p) ?4 k+ g. y: c/ F
- } e2prom_s_cmd;, `6 E# V2 J$ Y* i9 l# Z. P1 Y
- 1 f* t. {' `. g0 U- ]# ]
- #define E2PROM_CMD_READ 1
# n' Y) r! _5 i4 @& Z1 B/ w q - #define E2PROM_CMD_WRITE 2
; c- G J+ \7 X - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" n+ d% A S6 F8 B1 F5 F
8 Z0 f5 K# Y% I5 a- static int readparam(unsigned char *mac, unsigned char *stbid)8 \/ u2 H" t) s+ k
- {
4 j0 Q6 [$ Y* T! Q - int fd, ret;
' u& B O4 y+ z/ ^' r# ~ - e2prom_s_cmd arg;
; ?6 U7 R$ ?: z" @* f, \ - unsigned char buf[0x18];( w4 t5 s5 ^; \- {( _( U
- `2 d2 E! }8 v* @/ W# Y- fd = open(E2PROM_DEVICE, O_RDWR);
# V$ [9 A) o% N3 T3 r - if (fd < 0) {0 m/ n' s( k# h/ X8 J' h" ?
- printf("Device %s open error.\n", E2PROM_DEVICE);- V# W: K9 L" {% d
- return -1;; @0 i% C' e2 T9 b) q5 W9 G
- }* X7 c7 j9 `4 K
- arg.sub_addr_count = 2;
- v9 A3 L) Y6 H$ f. I( K3 x4 A* s9 j - arg.data_count = 0x18;
; L7 ~# j, G- G/ {/ W8 @ - arg.e2prom_cmd_sub_addr = 0x290;
y0 F1 j- B! |9 m) q, s( v0 g0 g2 i - arg.e2prom_cmd_data = buf;/ h5 x k$ z' E
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
4 Q/ z% k- o- `( R - if (ret != 0) {
d) w0 Y) F) c5 Z9 z - printf("Device %s read error.\n", E2PROM_DEVICE);! k. Y& E- e5 g/ ]& g( p9 T
- return -1;
' v& \; Y- H* C1 p6 S% o - }
u5 r; a! d. @& X6 U - memcpy(mac, buf, 6);
9 u, }/ s2 p7 @2 A5 H - memcpy(stbid, &buf[6], 18);5 ~+ e/ m K9 E. ]& u
- stbid[18] = '\0';3 N- \& C3 e+ g S' ?+ H# [0 k
- & n+ \# c. u* \! b: W, y% ~# @
- return 0;
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6 P1 i+ g/ R* u; p1 ]- static int writeparam(unsigned char *mac, unsigned char *stbid): e$ r) F, y+ ~" e
- {
' Y! F) }( Z# f% _5 r - int fd, ret;8 H1 U5 H# T. T, y0 q V9 e+ A
- e2prom_s_cmd arg;; G# c6 Q% S+ V0 H% O# \
- unsigned char buf[0x18];/ ?6 {+ A/ P9 @
: j2 Z+ k* E5 A2 p h8 l( z0 d- memcpy(buf, mac, 6);
0 l0 r" Z8 Y8 O L$ U - memcpy(&buf[6], stbid, 18);
% O9 P3 o9 X9 y/ [3 d& s% W - fd = open(E2PROM_DEVICE, O_RDWR);
9 Z' O8 _4 I- p& V - if (fd < 0) {
/ p5 d% c; N' y c5 g8 r: p/ [ - printf("Device %s open error.\n", E2PROM_DEVICE);8 T& R, Y# S. @) h6 A5 `0 H
- return -1;
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- arg.sub_addr_count = 2;& ? s9 D6 J2 ^' D& E3 v
- arg.data_count = 0x18;
5 k& F: @; @" y; b9 ]& A+ W0 R - arg.e2prom_cmd_sub_addr = 0x290;
; p4 E) F ^! ~$ ~; c( E3 {/ ?( W - arg.e2prom_cmd_data = buf;) D5 V3 R8 p3 s; F8 i
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; T+ ~. `3 X* |$ X$ {/ Y - if (ret != 0) {' {1 l4 c. F& K t& z% r
- printf("Device %s write error.\n", E2PROM_DEVICE);8 ?' C: @5 i1 \; o# ]6 K
- return -1;3 Y8 ?3 w L6 j/ C6 }, L
- }
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- return 0;) G' H' F, m! d: j0 Z' G( e
- }8 C0 w& `, a8 {& Z+ ^
% g4 T! y0 z" Y9 l% p& l- int main()! `! Z( W# B0 G2 H
- {+ T3 r# _' f, U2 w0 j0 j
- char c;* _9 c" a" t- \, ~3 I& u
- int i, macs[6];
* I" Z H1 b. n& T - unsigned char mac[6];
2 u$ J& Q* p6 j0 R' u: M - unsigned char stbid[256];4 W0 \6 _# v: e
- ; z. T$ l0 a" N) K( L1 ]4 U: ]0 R$ j( N3 W
- if (readparam(mac, stbid) < 0)
, k: a$ A+ {$ Z. ` - return 1;( z" O, V3 ~; v8 L
- " |9 L% e4 y$ j- f s' ~
- printf("Current parameters: \n");4 o, G/ B" @+ \) z% M! n
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' N; [; T1 }/ ^ - printf(" STBID: %s\n", stbid);' f9 R' t& ` l3 \' ]0 X
- . q+ V% o" ^8 g( m
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. a% A0 @3 c) Y( J. n
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 W: q1 h W8 n1 Y! O( x
- printf("Input MAC error\n");
6 z" h% p: n h. a y6 p# x' Y9 N5 C - return 1;% ^1 {! l# N0 G
- }. b1 F8 E K8 a! O$ w
- for (i=0; i<6; i++)mac[i] = macs[i];
: p4 h# [* z N' D& V5 L1 K - printf("\nPlease input new STBID: ");
3 W6 [7 S% X( i0 V% t - scanf("%s", stbid);6 ~; ^% k9 \; d. e+ i
- if (strlen(stbid) != 18) {
6 }" `6 V" o) o% @ - printf("Invalid stbid\n");- R* h3 p w+ h& ?0 @3 A
- return 1;* W, I" V) | ?6 G5 M; U& V
- }
2 Y( y7 i c- C7 o, i N# b - printf("\nNew parameters: \n");% [, F" \& x2 b2 P4 C8 V
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 d s; K& E; v4 O
- printf(" STBID: %s\n", stbid);9 n7 V- |9 c' d! s- D% Z
1 g9 I7 {1 L6 {, c4 U: S3 y$ K- printf("\nDo you want to change paramemters? (y/N) ");% m# d( G# B7 o& G2 `5 A) j6 S
- for (;;) {
6 x5 [( G% N/ c7 ^9 A! w - c = getchar();: u$ \, g5 a2 W& o- Z0 @2 W
- if (c == 'y' || c == 'Y')" z( v5 n0 b1 h+ _
- break;
, ]+ m1 m0 C4 Q" W s7 \+ K; D1 I - if (c == 'n' || c == 'N') {8 H- B0 h. Q% F6 Y: r9 M+ k
- printf("\nAborted.\n");& k2 V, N# p$ L$ o% p
- return 1;' @( }8 ~+ k/ _5 i! ?# a
- }' J$ _7 K% l$ s4 ]" P H3 i8 N
- }
% \9 y( t. P m) Q* j* ~ - if (writeparam(mac, stbid) == 0) * s; K$ ]0 y( p8 {) ?
- printf("Parameters changed.\n");- P+ D5 {5 A. a, z* ^. _( s7 s$ g
0 y, ]( R) Z4 q4 @1 J/ R z7 V0 z: {- return 0;
' {& z4 G- v& `. q - }
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