本帖最后由 0522 于 2012-3-21 23:04 编辑 5 D8 }. R! ?( D6 O1 G- a! z
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修改的代码早有了。到今天不会编译。
. J) q" C5 `: j1 z, r, \" |5 o2 O P需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- [, k" `: |5 ?3 S* S, }
- #include <malloc.h>
3 D' ~" h- A* g, r" S8 F; t8 ?4 T - #include <sys/types.h>2 ]5 Q: z) ?9 y
- #include <sys/stat.h>
1 L0 o& H3 g }2 _1 | - #include <sys/ioctl.h>0 ]0 [& l0 {% j( S: H1 B
- #include <stdio.h>
2 j( T t8 y, z/ @, U - #include <string.h>
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% M9 p9 v, [5 {5 K P2 P g- typedef struct {! F& L; Y8 S' Y
- unsigned int e2prom_cmd_sub_addr;: z0 d( }5 t" i
- unsigned int sub_addr_count;+ S/ j W+ x) t8 y' ?; s
- unsigned char* e2prom_cmd_data;3 N: o' l. v3 L) v- W2 G
- unsigned int data_count;0 Q8 x% f4 M v$ ~
- } e2prom_s_cmd;8 n% f2 K0 l+ _* m" h2 E
G' @ B( {% v5 ^- #define E2PROM_CMD_READ 1- G, l) O5 B, [/ c8 j" [
- #define E2PROM_CMD_WRITE 2
8 N3 ]5 f- z" b2 a1 c# L8 L - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"- x' L' ~2 D8 m5 Z& q. r9 q
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- static int readparam(unsigned char *mac, unsigned char *stbid)' }1 U8 k4 F N- Q9 p: I) u
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- int fd, ret;6 ]7 [% K) D; R% }/ Z# S v
- e2prom_s_cmd arg;+ W& x9 y; N" |
- unsigned char buf[0x18];
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) H' r3 _- D/ p9 R" O2 X- fd = open(E2PROM_DEVICE, O_RDWR);
4 k( q1 K" V: \/ D - if (fd < 0) {
5 P% r$ _: E1 ^# E - printf("Device %s open error.\n", E2PROM_DEVICE);3 V5 ]: P/ }6 N/ ^- c: j
- return -1;- F5 M) \6 F9 a; s
- }
2 w; f V2 a; l9 `$ B# `" @ - arg.sub_addr_count = 2;
3 o/ ?# R9 m& \9 \6 c) s - arg.data_count = 0x18;
3 j" P# p$ {1 N" a - arg.e2prom_cmd_sub_addr = 0x290;% ^0 m9 q: h4 }/ C- c; k; V4 D
- arg.e2prom_cmd_data = buf;
. w n, @* E" M - ret = ioctl(fd, E2PROM_CMD_READ, &arg);5 V# U( s8 Z* z& P- T: O8 ?5 y$ b% U
- if (ret != 0) {1 e; Y) h0 d" _% `# `7 D+ C& a
- printf("Device %s read error.\n", E2PROM_DEVICE);" ]( l6 Q, h3 K$ o$ ?" M G- b( i
- return -1;5 J; h4 [& t& A" S
- }$ ~( q' S1 ^) x3 v" J% Y, x. V8 y$ v C
- memcpy(mac, buf, 6);* C0 K! R8 F! t4 U4 n) W) |
- memcpy(stbid, &buf[6], 18);
5 d0 N* U- s& o) U2 E% n( R/ j - stbid[18] = '\0';% G M) Z% V2 z8 s" z) ^
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- return 0;9 Q1 P- w( }( R) g+ U: a
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;8 }- d: q: V; c" s3 h4 [+ s( Z
- e2prom_s_cmd arg;# ~ S5 T5 r* q9 j/ z4 a: y" ~
- unsigned char buf[0x18];
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; c; e& k- D6 w5 k, v6 y9 k( _- memcpy(buf, mac, 6);
w. m$ {5 F% h4 ~2 b# c) b - memcpy(&buf[6], stbid, 18);
" j# i+ i9 z0 G6 X2 E. P - fd = open(E2PROM_DEVICE, O_RDWR);' P, \& C- ^( A2 H' B
- if (fd < 0) {2 _. Y8 k. w1 Q* W
- printf("Device %s open error.\n", E2PROM_DEVICE);0 B+ {2 N M- h
- return -1;
* S+ z* n% `! E. J0 w - }
1 n0 x6 D/ C% b3 G2 W& N! P - arg.sub_addr_count = 2;% ]) V" H0 M* r( p+ P% d6 ~
- arg.data_count = 0x18;- i% r6 {8 m. U2 \# r
- arg.e2prom_cmd_sub_addr = 0x290;& d$ J% e( g) l; s) _
- arg.e2prom_cmd_data = buf;
8 q$ Y! G7 V3 T, R1 R! ~# ]1 K/ X - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" Y* ~8 A; n4 W* v7 Y$ ~ - if (ret != 0) {
8 B# l, ^2 P! g5 _, y7 p - printf("Device %s write error.\n", E2PROM_DEVICE);5 F$ h$ u* j5 [2 B0 U
- return -1;# p2 A( U$ t5 l9 m; H
- }
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u& R( y/ P1 V" `+ p% l: S# ?- return 0;" N' p: ~& y; [& i6 o
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- int main()
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- char c;3 ~8 I3 s! @. D; E
- int i, macs[6];- [. W$ H& x8 \ v- B6 X
- unsigned char mac[6];3 h$ V" g, ]+ ]
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
! p6 Q: c# z3 c+ n1 q' I+ r - return 1;
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+ Q, E& G! u4 @' J- U2 u- printf("Current parameters: \n");
: L! s0 t S5 `/ ?7 }/ [- S* \; D - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( h, j$ g- a7 p) t& r
- printf(" STBID: %s\n", stbid);
3 {" J0 f! Z. R# ?, T9 l9 U- J, X - 0 z9 u Z8 ]. R/ c/ [0 g2 S
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 z" y4 F* P0 Y& @5 N* o, c
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 p3 m% S/ P8 c: L# F" Y - printf("Input MAC error\n");+ K5 Z7 J+ t9 _/ w
- return 1;
{) g- S& f9 l6 M* g' @ - }
3 p* a6 h1 [, e* k" p - for (i=0; i<6; i++)mac[i] = macs[i];# @& [8 _. ?, X8 N3 l
- printf("\nPlease input new STBID: ");* [# w2 b8 ]1 | S( k6 T% Y5 P
- scanf("%s", stbid);! N# K' ?9 q; e% _
- if (strlen(stbid) != 18) {
$ C% |7 v$ S) T: u4 h; _ - printf("Invalid stbid\n");- L- K3 a! ?8 R6 B, G% N% p5 ]
- return 1;
8 L8 o0 z! \+ L W( `2 `' z - }
/ R1 ?: ]4 u0 A- k - printf("\nNew parameters: \n");: b% ~8 R) z' i7 ~
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' ?: T* y* o+ @/ N# T/ n8 K- U - printf(" STBID: %s\n", stbid);
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. \2 D4 b. L/ O) u' u- \0 Q3 R/ U- printf("\nDo you want to change paramemters? (y/N) ");. }) r' h/ z: Q
- for (;;) {
8 E! |+ B. ^: l z7 i. o6 k - c = getchar();
. P; s' y3 B# p+ s1 c7 H+ }$ _3 X" ^ - if (c == 'y' || c == 'Y')7 C- z* M1 D- e L% Y6 C- k/ t
- break;
4 C/ \9 `8 P) D c( f5 } - if (c == 'n' || c == 'N') {
+ j7 T9 T1 K+ ^; c9 N - printf("\nAborted.\n");
) j j+ _9 v; T H' i& z0 h - return 1;
7 z4 k9 T4 o1 Q! M, T2 F - }
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- if (writeparam(mac, stbid) == 0)
. S7 Q: w, e$ \- ^ d - printf("Parameters changed.\n");
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- return 0;
# ~) `# t; S* i; y/ @ C! z - }
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