本帖最后由 0522 于 2012-3-21 23:04 编辑 & }' ~, N4 b4 @
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修改的代码早有了。到今天不会编译。9 ^0 Q. ? H* A S5 P* j9 n
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
5 g- K1 J! h1 S2 j! s - #include <malloc.h>
5 S$ P, M, i1 [9 Q2 ?- V6 P0 M - #include <sys/types.h>
8 a& d6 _! n6 i - #include <sys/stat.h>
6 \. F/ ]+ K* K# `8 F. \ - #include <sys/ioctl.h>5 \9 l6 M8 |( q! H5 v1 }" V6 h
- #include <stdio.h>
$ z. x+ y! w, d/ O* O4 A2 o - #include <string.h>
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- typedef struct {
0 B( D; Q. f$ s, f& i0 i9 \ - unsigned int e2prom_cmd_sub_addr;$ q e7 G7 x/ B9 p6 f9 h5 s
- unsigned int sub_addr_count;
; E- i! \( B$ F" d - unsigned char* e2prom_cmd_data;- L6 u8 J/ V7 p, Q9 R
- unsigned int data_count;
4 W# l7 h5 r0 `% E- K - } e2prom_s_cmd;
# p% l3 F$ t z! J- @. v - # p5 [4 Q5 l4 H8 M' F8 o% }) Q
- #define E2PROM_CMD_READ 1% r2 Z9 u2 {/ I. h1 h
- #define E2PROM_CMD_WRITE 2
$ P2 Z0 J# k8 u, C9 p, _3 R - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" e9 B9 P A2 I, s( a- x' o/ @
" \3 n5 Z* }, v# q# T* `( o F- static int readparam(unsigned char *mac, unsigned char *stbid)
9 w& g3 z3 z$ H/ Z4 ] - {
! H* D5 k4 a& x9 R) R1 t - int fd, ret;5 y. M$ `9 i! { U$ ^! f- Z2 L
- e2prom_s_cmd arg;
3 b$ k: X' X& _7 {6 c* I4 L - unsigned char buf[0x18];
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. |6 [! G+ t: L6 [& j$ u- fd = open(E2PROM_DEVICE, O_RDWR);# I8 w' Q. O6 H- d5 {& ?
- if (fd < 0) {
# g" }% U0 N# R- B - printf("Device %s open error.\n", E2PROM_DEVICE);
$ ^, e: \& W: A" M' c. F* p2 K& E - return -1;$ t. Y# O b0 k& L
- }/ r1 I# E% `/ T3 r; M" W; i" c: y
- arg.sub_addr_count = 2;
! }; A: R9 a2 v. D - arg.data_count = 0x18;
9 j5 G; _0 n+ W* F4 W, a" `1 S/ O - arg.e2prom_cmd_sub_addr = 0x290;2 [3 F O$ r. L: A3 r$ Y: t; K
- arg.e2prom_cmd_data = buf;% z- t( X* i; m* i' i
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' N6 S: ~& ^$ w- F; @ - if (ret != 0) {
& l) |$ R2 c" q; Y' l$ k7 M# _ - printf("Device %s read error.\n", E2PROM_DEVICE);
* U7 Q& D6 N% j - return -1;: m, f' G$ i9 L: K4 E+ Q% K
- }
& d* j- V. i- D/ r7 I% F9 T# V - memcpy(mac, buf, 6);5 b! [6 C$ s2 R$ N
- memcpy(stbid, &buf[6], 18);
8 r! ], k, `) x, K! x$ F; z0 Q - stbid[18] = '\0';$ V; w( f1 c! X* f
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- return 0;$ D5 w( ~2 `( \$ N; {' C) E. a
- }
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& l% T! E: o R- static int writeparam(unsigned char *mac, unsigned char *stbid)1 y* F5 P6 Y9 @: X! K! g: d0 @
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- int fd, ret;
3 ], ?( z- f# L$ N) q - e2prom_s_cmd arg;
$ H0 W+ V- Q8 L% }4 j: ` - unsigned char buf[0x18];1 v9 Z* ]+ l6 S8 m0 b7 h& D
' `* e/ H% u! \6 o* m1 u: `- memcpy(buf, mac, 6);. _) w2 o k+ U3 d
- memcpy(&buf[6], stbid, 18);& w0 n7 m5 K$ Z2 g* a. V9 B
- fd = open(E2PROM_DEVICE, O_RDWR);
) j# q$ a1 }. g4 j - if (fd < 0) {% ]3 w' A I7 m4 s
- printf("Device %s open error.\n", E2PROM_DEVICE);' ?/ m1 X% A! v- c" a
- return -1;
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- arg.sub_addr_count = 2;% f7 ?& h* V& y& |9 ^ ], l2 F, ?
- arg.data_count = 0x18;1 t$ [% C) {' c' v/ Y* o: L
- arg.e2prom_cmd_sub_addr = 0x290;: M9 E; y k7 l$ \# [
- arg.e2prom_cmd_data = buf;
, r5 P% n9 i+ S2 W! q( Y4 y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
: q$ w/ R0 V1 O' u - if (ret != 0) {9 j3 c8 S: W- s3 W- Q: }
- printf("Device %s write error.\n", E2PROM_DEVICE); s4 p6 c( Y2 D% ^
- return -1;
: d5 ]8 p. u& p" X8 f; z - }
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8 e8 i1 f/ n9 b- return 0;- l* j. H# H5 a% N# t! `
- }
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: P! n, q3 _1 @& ?+ G- int main()
8 f. ]1 Z2 E' M- u - {
9 c$ N0 c* o6 \0 A( N0 s5 u - char c;4 n- {, L T* F+ s( E) D
- int i, macs[6];
; O3 u4 h7 b0 U" f' N: D2 O: {% R - unsigned char mac[6];, {5 D0 @9 z' ?' r( F
- unsigned char stbid[256];1 Y1 `8 L1 r; R
2 n0 N! o) w4 `$ o, L9 Z9 y, I0 d9 A- if (readparam(mac, stbid) < 0)
* H' F! {) d: Y* Q: w! t! p, x - return 1;
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" K/ z# ~7 s1 | {* v- printf("Current parameters: \n");
, |2 A5 B* u/ m0 S/ V - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 M: Q! S0 X1 u8 ?# ] - printf(" STBID: %s\n", stbid);0 B+ ]: G9 v$ k& l" Z+ E# p' w/ g
- / z1 p* D; Q! o9 c5 y! M
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 b/ ?) l3 I( K, A0 M
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {' [* U6 p% t U _ W! R
- printf("Input MAC error\n");/ |% M8 l U! A& q/ ~8 `. O+ I
- return 1;5 T& j! D) H/ h* x! p) ]+ T" O* w
- }
1 p+ Y+ @1 f4 A% W - for (i=0; i<6; i++)mac[i] = macs[i];
' p* T* [+ p9 _8 q - printf("\nPlease input new STBID: ");4 h M9 o( \2 v& ~
- scanf("%s", stbid);
0 B0 J. Q5 p: p: S4 A, \ - if (strlen(stbid) != 18) {0 J8 p3 d# N) H9 }' }
- printf("Invalid stbid\n");
! s$ q4 C' m5 I3 X - return 1;1 N3 O5 F+ \3 [7 b! K: R, h
- }
: R1 ~2 h. ~1 s1 m. d, z - printf("\nNew parameters: \n");- C @+ x7 p' F) f; d7 [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# {) r/ Y( R \* _2 U - printf(" STBID: %s\n", stbid);$ j3 s0 W! a: H' G# _; g
5 ]. E$ q m3 X. y6 T; p0 ~4 M1 B- printf("\nDo you want to change paramemters? (y/N) ");0 I" i. X! A @/ K ~8 _/ f
- for (;;) {* J4 K. u1 x: v- X; ]
- c = getchar();
8 [2 j- R4 E+ t3 u, ]& }0 i - if (c == 'y' || c == 'Y')$ I' e; L3 M% X% b
- break;$ _+ P% u3 R4 n2 [+ o( f/ z
- if (c == 'n' || c == 'N') {$ D4 z$ y! I' ?& Q9 M
- printf("\nAborted.\n");
$ W$ }9 P4 Q7 B& u$ t0 @ - return 1;
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- if (writeparam(mac, stbid) == 0) & L# j( f# h7 }9 d c
- printf("Parameters changed.\n");/ K2 {) e# g9 ~$ s, e
- / E9 L- U/ ^/ e* ~ N3 I$ @! \$ ~! T8 W
- return 0;1 {0 J" e; a% l+ h! `4 Y- H
- }
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