本帖最后由 0522 于 2012-3-21 23:04 编辑 : h' K$ P6 ~ [1 E8 Z" G/ O
2 q# g- F+ {: Q* Z% w4 |修改的代码早有了。到今天不会编译。
# z/ X4 X, n1 y& S: c3 h# E _- U% [需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
9 `4 S! k- j/ d& S4 z( N* m - #include <malloc.h>
$ c5 ~ b/ j; d5 y - #include <sys/types.h>7 }' j$ p+ S5 f G
- #include <sys/stat.h>
% }, d' N) @- Z% s: l - #include <sys/ioctl.h>
8 I q0 n( c! `& I. p2 W - #include <stdio.h>: p: u3 a2 N( v; e: ?
- #include <string.h>
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$ i* V% K5 n7 P7 u- typedef struct {) z/ M' e1 `' S ]
- unsigned int e2prom_cmd_sub_addr;, V' j; ] e! p0 y) N9 I h6 C, R9 T/ I
- unsigned int sub_addr_count;
- {+ R. ~+ n8 X - unsigned char* e2prom_cmd_data;% ` c- C/ B4 v7 C$ o! u
- unsigned int data_count;
O$ k5 `. p2 K* V: D/ R! t - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
o5 W/ |2 E. A3 e - #define E2PROM_CMD_WRITE 2
1 V! o; N6 X2 h, d3 i - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; S5 I5 n" F) P& R8 g# `5 W
- # Z; \ E5 |5 c& O7 F# _& i
- static int readparam(unsigned char *mac, unsigned char *stbid): n0 p# {6 C% R2 A8 [
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- int fd, ret;1 H- F% F' U- f; d1 @/ g I+ _
- e2prom_s_cmd arg;0 r/ t h% c: T7 G
- unsigned char buf[0x18];( y% ^" w& n5 M- F! K( L1 ^
- . T5 e! M+ k) a A
- fd = open(E2PROM_DEVICE, O_RDWR);
, w5 B2 w" F& F/ b: t - if (fd < 0) {. D9 w2 \) O6 N
- printf("Device %s open error.\n", E2PROM_DEVICE);
2 v) H% p& O% X( l3 `+ v0 l - return -1;
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- arg.sub_addr_count = 2;7 h% I: ^3 _: |+ x4 b: u
- arg.data_count = 0x18;
# M H9 [& f K& i0 W - arg.e2prom_cmd_sub_addr = 0x290;
0 {* A1 M3 |' I$ d6 c+ k, @ - arg.e2prom_cmd_data = buf;" e) G7 K& `1 \" o1 L% A
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 V/ L0 k* J& e/ \0 ~: f) R; d
- if (ret != 0) {; V. }: E3 H9 J- h( `& Y1 z
- printf("Device %s read error.\n", E2PROM_DEVICE);
( n1 h7 i: ^# I3 S. c/ M - return -1;
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- memcpy(mac, buf, 6);0 f) ]6 a' Y4 R! f( r( V( E4 U
- memcpy(stbid, &buf[6], 18);
) S% x) L/ p1 v# W" ]7 X0 P/ s6 Y - stbid[18] = '\0';$ x/ t- Z2 G0 U6 Z4 g
0 E0 q& K. ]- v \% Y, m- return 0;7 z# b, B$ w6 D' ?5 z8 h- I* l+ H
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- 4 E# d0 Y3 v* K+ Y, V) m5 X
- static int writeparam(unsigned char *mac, unsigned char *stbid)
" o: }1 c0 d, N- {9 s: y/ t* I/ y1 Q - {
- k% F8 F( s! W# e) k1 L* e - int fd, ret;+ V: T1 L* E! t& B: Z: F
- e2prom_s_cmd arg;
" b9 a' `* C8 g3 c$ f6 Q - unsigned char buf[0x18];
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/ S+ e7 @! H' O" n5 m- memcpy(buf, mac, 6);" t0 y5 @3 r: ^, i5 z
- memcpy(&buf[6], stbid, 18);
+ v/ I- W2 o' @# G! O9 O4 I7 n - fd = open(E2PROM_DEVICE, O_RDWR);
( ]4 K' o) g. { - if (fd < 0) {) F5 I1 T0 X0 n& L% [$ G) o9 g
- printf("Device %s open error.\n", E2PROM_DEVICE);
8 S, |' |3 j5 ~' @ V- T( H - return -1;; S+ B. I E1 i+ l
- }" o& K- u/ U3 k6 K
- arg.sub_addr_count = 2;7 {2 o4 |) ]2 f5 d' {2 e
- arg.data_count = 0x18;
3 ?9 l, B1 S8 C% N - arg.e2prom_cmd_sub_addr = 0x290;
: ?+ W4 F; F' x, z7 k - arg.e2prom_cmd_data = buf;
. K9 Y* }% l) ]/ O1 ?7 C - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
% \0 y0 X' P: V4 p& I% \- N( J - if (ret != 0) {
& d' G" }' _: \2 n& S, D - printf("Device %s write error.\n", E2PROM_DEVICE);$ m& [+ z4 Q2 y8 R7 I. S* }
- return -1;
8 D" M7 V, N c" v - }
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- return 0;9 t5 D' X6 G0 R
- }
# }6 R8 M4 H3 n; V - 3 H. Q' ~$ x2 w" j5 j
- int main()
- m/ j m! [2 G' M$ i - {
4 @5 d4 m& [. _/ G. D4 A: x9 V - char c;) I% s7 j. m" X) S9 Q0 z
- int i, macs[6];
$ z' A, n7 p% P7 O: |: c - unsigned char mac[6];
6 ?( e' q) Y; N* ^6 K - unsigned char stbid[256];0 E, C2 a8 r$ F2 n8 @
- 0 j( t2 h8 f) h5 `
- if (readparam(mac, stbid) < 0)
5 A5 e% ^! a4 D1 E& N* y \ - return 1;
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- printf("Current parameters: \n");
+ n& W; H2 p2 S4 `" H0 i* H, ? - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- r0 t4 E# y9 z1 ?1 g9 s
- printf(" STBID: %s\n", stbid);
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8 x! X8 v$ A9 h* Y4 m6 j$ k" L - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
. V+ S6 j* ]4 {1 v F* { - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 ?! f) T. q) \+ D, F4 ] - printf("Input MAC error\n");9 m5 i& B0 ]& Q& K4 w, n( r. E
- return 1;) m6 X" ]* m/ l- S6 Y
- }2 X% g" X3 i) z# z
- for (i=0; i<6; i++)mac[i] = macs[i];/ o+ G+ n$ l% [' t" C5 c% X
- printf("\nPlease input new STBID: ");8 Z- O- p, I( G
- scanf("%s", stbid);
+ F: Q9 c# K6 G) Z+ j, t0 | - if (strlen(stbid) != 18) {
# L9 ]4 E. H1 Z" n - printf("Invalid stbid\n");
: i: z4 Q, U% O* e: k - return 1;, n5 t# q0 o$ T0 L
- }8 A+ O& J! v+ b
- printf("\nNew parameters: \n");7 s% U, e4 B3 h% Z3 m! ]
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# Y9 T/ D: p( q( W/ v# R0 _ - printf(" STBID: %s\n", stbid);# F6 I$ I# q2 @7 B4 D& w% V
& O* ~) O8 e% W1 J: G# Y# Q6 o- printf("\nDo you want to change paramemters? (y/N) ");
5 J- \$ V% B" R3 y- c% n2 m" G - for (;;) {1 t4 V" B7 G6 W J, z( V
- c = getchar();
9 O5 H) E9 W" ~2 O' F3 p5 R7 D - if (c == 'y' || c == 'Y')
2 f9 C' Y$ [/ q( ^# s/ i - break;
1 C& x) C L) I - if (c == 'n' || c == 'N') {- i5 ?; c) P) u
- printf("\nAborted.\n");% M% R6 @6 p+ g& i/ l% h
- return 1;
$ ^2 _" A1 ]* z. u1 V - }
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- if (writeparam(mac, stbid) == 0)
5 j: u: e ]9 i: }; ]: h - printf("Parameters changed.\n");
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- return 0;
0 x4 o4 B, z0 Z. J$ Z) d$ a# D - }
复制代码 |