本帖最后由 0522 于 2012-3-21 23:04 编辑 h6 d) [$ A: l1 P) e
8 V, R( g4 A+ C+ s. b: \修改的代码早有了。到今天不会编译。
$ x7 y0 b, e* B3 B$ m0 \需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) u0 j7 p5 L% t5 S
- #include <malloc.h>
! a( B( f1 Z+ K0 D: ?: ^ - #include <sys/types.h>
( u( f9 `$ c; F" M, c9 B! K - #include <sys/stat.h>: q4 j3 d7 }6 l
- #include <sys/ioctl.h>0 [0 H/ c m" O' {
- #include <stdio.h>* N- D! t) E) C( A$ ^3 X# E
- #include <string.h>
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- typedef struct {5 @9 b W0 L1 Q# p
- unsigned int e2prom_cmd_sub_addr;
# z/ E. R8 Q7 O) s- _. `' `! @+ P - unsigned int sub_addr_count;2 Y* I$ }. ^4 P, I7 q, j
- unsigned char* e2prom_cmd_data;
: q. V# w$ M( A0 Y. w! ]% X( s - unsigned int data_count;
1 M5 @9 I( H9 T" k$ ?' K% w' z7 V* G6 a - } e2prom_s_cmd;
1 l6 a7 y6 V( a1 D7 M$ W( m, B - & }/ b- [8 b Q. c, [6 ~5 O
- #define E2PROM_CMD_READ 1
6 z! I3 a8 {) _, L3 [1 [8 b) s - #define E2PROM_CMD_WRITE 2
# B \6 d- ~: l7 m$ k - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;1 K: t7 T# b7 G' G
- e2prom_s_cmd arg;/ \8 j2 e$ |5 o% s5 l, L6 _" |+ h
- unsigned char buf[0x18];% a" J8 V# n. Z# \
7 T) a% D6 [& [' k" R- fd = open(E2PROM_DEVICE, O_RDWR);0 } W4 P' d$ K# ^) N# P6 d
- if (fd < 0) {! t$ }; O* A0 [* }) Y
- printf("Device %s open error.\n", E2PROM_DEVICE);
2 @! X/ z( v# v9 k6 C; b: f+ z - return -1;4 `0 d, u% V# R9 p1 J
- }
0 P; |9 Z$ E& _: }7 _6 N2 f - arg.sub_addr_count = 2;, r" \' n# B" a2 }
- arg.data_count = 0x18;
, ~/ ?7 J7 N) q; U - arg.e2prom_cmd_sub_addr = 0x290;/ V! D# n _% T! u" B- o
- arg.e2prom_cmd_data = buf;
6 ^+ Q# W+ x0 ]; @) D) i - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 N. S+ w. M8 I1 a- W& S& H8 y - if (ret != 0) {
+ E2 r [' z8 T0 F) O, o: Y - printf("Device %s read error.\n", E2PROM_DEVICE);
, j! A0 q/ t3 o, \! | - return -1;! b( r- M' K/ F6 u9 K1 {
- }
, b6 i/ Z" V, v$ f8 J - memcpy(mac, buf, 6);1 v! g8 N0 \7 p; N% p, d
- memcpy(stbid, &buf[6], 18);, K$ b4 |6 J. u- X( X
- stbid[18] = '\0';; h. z$ H& q: v- }' M
- $ I6 F, S2 x- L5 f
- return 0;: q. ?/ D6 F/ m6 i, w( ^. a! H5 d
- }. W7 x( j. a) V9 G6 q/ z
" X/ a4 h# l& {/ u2 C+ ~% H1 D6 C- static int writeparam(unsigned char *mac, unsigned char *stbid)
' a; g' e6 _" K2 s - {
: Q/ M& x5 _* d; ^- k; [ - int fd, ret;% h) `. F8 e' Y6 j1 X8 J
- e2prom_s_cmd arg;9 L- Q- o2 [. C9 V4 b5 z; F- y6 |
- unsigned char buf[0x18];
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- ^& t0 {# k0 |7 P2 f# `- memcpy(buf, mac, 6);
% b* O) @/ ]( d/ l, H# T - memcpy(&buf[6], stbid, 18);
+ S5 F8 g' s% c, y2 L5 \ - fd = open(E2PROM_DEVICE, O_RDWR);
7 P# U5 N" R ~7 W; T - if (fd < 0) {
0 v$ n8 C+ J/ j' z) m2 y: I: m - printf("Device %s open error.\n", E2PROM_DEVICE);
5 B) o; k1 I9 ^3 o - return -1;6 V) }$ ^) H8 ]& }
- }
) b. Q3 s# m5 W+ v' a - arg.sub_addr_count = 2;
2 y) H8 f( z6 ]1 P/ u4 T - arg.data_count = 0x18;
) ^( ?8 U3 Q9 z1 v6 O( {6 r! E3 M+ U - arg.e2prom_cmd_sub_addr = 0x290;
2 ~0 ?5 o& @% \ - arg.e2prom_cmd_data = buf;8 `; q3 w8 O& O3 C* m: s: Y
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);8 t& \$ {9 S8 x( P1 T1 t
- if (ret != 0) {( J; Q& h. W( c
- printf("Device %s write error.\n", E2PROM_DEVICE);
3 s2 K& }$ Y1 C1 L0 S - return -1;% b3 x0 h. T+ B& H! \
- }
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- return 0;" g* V, N% [% h2 w
- }
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5 }& O0 \- _1 r- int main()( ?" H+ y9 V A* `/ M7 x
- {
# p+ D& z/ g- {$ d0 R1 x. Y* r - char c;
3 h' m: Z- m- M4 U( B - int i, macs[6];# Z, d' Q$ y* O
- unsigned char mac[6];
7 W+ I) _" p$ @! [ - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)* E. P! U/ y7 x
- return 1;1 X1 }" c1 \# k% y. v
- ! M. ~7 V, [) Z: {. ^0 G
- printf("Current parameters: \n");5 Q7 a: X4 g- X" o! d- Q% x
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 y+ @& _7 y+ e
- printf(" STBID: %s\n", stbid);4 N8 u+ {- F) K* y
- : c8 K0 n! {/ N' N1 n6 B4 L
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' }5 `8 k. K, \ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ R: k. ?( z1 k/ l- r; S+ v - printf("Input MAC error\n");- b0 x. n! [' V7 _( A
- return 1;
7 k, l- N# F) \ - }
' C7 F5 Y5 b5 s2 y8 B3 K - for (i=0; i<6; i++)mac[i] = macs[i];
i% y( P0 _- K) Y7 n! | - printf("\nPlease input new STBID: ");
& l) i1 V. n4 g( G8 [( E# s9 ~ - scanf("%s", stbid);
- o, d( m, g( L$ Y& l4 r R8 j - if (strlen(stbid) != 18) {
4 c3 C* w1 e+ w$ f3 l - printf("Invalid stbid\n");: e: L: H& k2 ^% Y3 J
- return 1;8 ?) O- E6 j% R$ q
- }' r4 A& H% x. e9 D! ~' X- O" p
- printf("\nNew parameters: \n");2 N- A3 ^, _; n! O5 y- v
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: V, M9 M0 P; Z- ?7 q8 G - printf(" STBID: %s\n", stbid);- E" f, H7 j; V9 ?+ p
- ( {5 q4 ?2 S: D
- printf("\nDo you want to change paramemters? (y/N) ");7 t" @* f. M* x1 z" A
- for (;;) {" k/ |, S2 X% v
- c = getchar();# b3 i8 U: K+ H7 i8 @. s
- if (c == 'y' || c == 'Y')
$ G' m/ X$ ?! J8 [! H+ g$ z9 ]) [' K! O+ W - break;( F! R( Z+ M) ]3 l% A) W
- if (c == 'n' || c == 'N') {
9 v2 X8 C& a8 J% N - printf("\nAborted.\n");" m* q3 }5 G+ Q' w
- return 1;
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- }$ T# H" t3 m" _4 L, ^
- if (writeparam(mac, stbid) == 0) 0 c6 ]. c7 W* j9 ]) w* [! n9 c
- printf("Parameters changed.\n");. @" \8 v2 o. X/ V
- 9 q5 ] T5 Z" d% a `2 Z' g+ O7 @
- return 0;
6 \: l: W4 K8 c8 O& ] - }
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