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。3 i$ \/ k7 _7 \. |9 O- g8 n9 B% r
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 l% {% s$ ^. B3 B9 D - #include <malloc.h>
) f& ^+ B8 P$ F+ v - #include <sys/types.h>
7 @2 ~8 Y/ w, U2 h2 B - #include <sys/stat.h>; l9 \3 N, B: X" V% _
- #include <sys/ioctl.h>
' Z, B. t) v1 N% \ - #include <stdio.h>% y7 [4 ^" c1 H
- #include <string.h>
7 U l. t0 T- i, b4 X$ V& _$ D - 8 k: C( v. D2 y0 I8 M
- typedef struct {
( j; D9 k8 \, v) J5 K& U - unsigned int e2prom_cmd_sub_addr;% D7 }- z& k" v. b5 _5 A
- unsigned int sub_addr_count;+ @: d/ W+ T4 o1 o0 s
- unsigned char* e2prom_cmd_data;
/ L0 e( D" U# E/ `, N1 }5 K( x) o2 w( C - unsigned int data_count;
" [# i( l6 v. w - } e2prom_s_cmd;4 e; Y2 G7 q- P3 t1 U1 V' D+ E" k+ X& ?
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- #define E2PROM_CMD_READ 1
- h6 |0 C8 K- y5 |, i+ m# B - #define E2PROM_CMD_WRITE 2
6 k" S6 U; E j( ]+ ^; G - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)* w$ S0 i3 F+ O
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- int fd, ret;2 b' m; s' ^" G0 [; G
- e2prom_s_cmd arg;+ i b( n5 P4 v
- unsigned char buf[0x18];/ _( J' ^- y- b* K3 J
" N. K) ]4 w$ ]& z- fd = open(E2PROM_DEVICE, O_RDWR);4 S) R* r `; }) D, n. i
- if (fd < 0) {
3 C$ a3 m7 k2 X( a, d6 o: E# E2 ]1 I - printf("Device %s open error.\n", E2PROM_DEVICE);
/ k1 O% L+ d& S - return -1;% t8 f+ S6 @4 `. o" x' r' ~
- }
! ], l0 q4 Z( }5 ? - arg.sub_addr_count = 2;
+ ~9 M3 E- m- _4 [ - arg.data_count = 0x18;
9 ~: }" g& D% `! V' m* v7 U) [* A - arg.e2prom_cmd_sub_addr = 0x290;3 I, J6 {9 N* \" r+ q6 p2 S
- arg.e2prom_cmd_data = buf;; h# T4 F0 F1 F
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);, O/ u, k" f% l- ]1 p; z: ]. \, w
- if (ret != 0) {
4 e7 E5 s7 V* n* I3 u! _ - printf("Device %s read error.\n", E2PROM_DEVICE);
4 d! a0 E6 Z! g& a/ a" {+ C - return -1;
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- memcpy(mac, buf, 6);
& B" y5 p# m* D5 p3 a* w - memcpy(stbid, &buf[6], 18);
% m2 k; B( z# X4 o" g" ~0 s. y - stbid[18] = '\0';
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
- t [* W6 {3 A% C& W( Y - {
0 k0 q* f( h% y# c+ ]) C - int fd, ret;9 }7 q( v! ]. ]. C Y+ y7 g: g
- e2prom_s_cmd arg;+ m4 o( B& @3 ` x
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);+ j6 b. M" i( l! {
- memcpy(&buf[6], stbid, 18);2 N& B" X9 l) j( s5 Z/ c L
- fd = open(E2PROM_DEVICE, O_RDWR);
; O9 B+ c3 V: j; h+ ^2 m - if (fd < 0) {
" l, }! u b& t5 i2 i5 I6 T( Y - printf("Device %s open error.\n", E2PROM_DEVICE);
7 r, _+ g' d3 x5 ~( f; Y6 ] - return -1;
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- arg.sub_addr_count = 2;8 k1 l' S/ Y. L6 y
- arg.data_count = 0x18;
8 S" ^$ z, H! f% ~ - arg.e2prom_cmd_sub_addr = 0x290;
: q8 s- l9 c; @% @ K# Y; P - arg.e2prom_cmd_data = buf;
' m+ I8 c( `' U; x - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ F- X: h+ t. R% J, J# h
- if (ret != 0) {0 X" A2 c2 }- M; h
- printf("Device %s write error.\n", E2PROM_DEVICE);" K2 d0 e7 Q, d K _
- return -1;
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- return 0;
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- int main()# m. B* X& D+ @0 I6 t3 @6 _% {6 A/ a
- {% R( M& [8 R9 u: o3 v
- char c;, r+ [+ i/ O* R5 g1 c) d
- int i, macs[6];+ C( I; V# X8 Y2 C) U
- unsigned char mac[6];
6 P. s) a% @% s$ m2 v - unsigned char stbid[256];$ L, L, h4 ?$ |! ~6 r# s5 o$ E/ D" \
6 i. |3 Y. x f1 G8 O7 Y) ?- if (readparam(mac, stbid) < 0)( \9 B3 t3 C; u4 y% j1 p$ Q
- return 1;1 t/ t; t7 A3 ~$ W# o
. y# \ B' X& `# Q2 |' `, C+ U- printf("Current parameters: \n");& k1 M* D* r1 i) I3 {. w( g
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 F" H1 j4 V& i: R* i1 E3 V9 B+ S' ~ - printf(" STBID: %s\n", stbid);
5 ?. R! l: P% w- w) L - # h2 E, E1 M& s! M8 s
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% s$ B. C0 v% R6 R+ _2 \
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: q% }' f. }+ x8 ]9 p - printf("Input MAC error\n");! A/ i4 Y: w0 ?7 A7 R$ T" F
- return 1;* h9 t+ U7 g. `9 _: m- ?" t
- }
( ]; E# u7 c+ ~% d/ t - for (i=0; i<6; i++)mac[i] = macs[i];
) R; E+ A2 a; w. R8 \ - printf("\nPlease input new STBID: ");) g+ T7 F2 @" N
- scanf("%s", stbid);
/ r6 E* t) k; K2 `* P# e; L - if (strlen(stbid) != 18) {
U" [0 U4 ]9 d% B/ [ - printf("Invalid stbid\n");. d( v# H, l6 [2 G
- return 1;" E' r+ w8 g# R8 I( J! x' T% _
- }
# U5 T0 L7 h8 s - printf("\nNew parameters: \n");
% {2 o; q0 u! f3 n4 w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 r, \9 \! V6 n0 a, c - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");8 E, S5 O! Y% f+ Z- Y! Z1 w- q
- for (;;) {
9 v) |! f$ D0 T% Y1 e% Z - c = getchar();/ S$ x8 m% d0 M) J& y9 F
- if (c == 'y' || c == 'Y')
; _) ^0 m9 D0 Q& K& P - break;
3 u& G0 ?. v' L# b6 ]# Q- j - if (c == 'n' || c == 'N') {2 D4 w1 t# O. w3 o2 _6 K
- printf("\nAborted.\n");
# x0 H% n+ z2 c, O3 P8 |% f# d - return 1;
- O- ]6 X( W8 o" K - }
: I( `- n! O9 I2 @* x9 L, }: } - }
( p1 F3 V" Z8 u% H3 A: v - if (writeparam(mac, stbid) == 0) # b0 ~: @3 Q! @ i" l
- printf("Parameters changed.\n");, n+ \" b" Q9 q( @4 m
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- return 0;5 G; q; s& o: B. M# k, ]* |
- }
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