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。
. X9 d( ~; A& g$ D' e+ X5 i需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" F# t Q1 ?5 P ?
- #include <malloc.h>
# R. y% {8 H" d+ u5 |& j0 K, [ - #include <sys/types.h>
+ Z6 a- u/ a# L" i z+ q( Z4 |2 {0 ] - #include <sys/stat.h>4 n3 r9 B0 _: o
- #include <sys/ioctl.h>9 s) _5 I9 d' T
- #include <stdio.h>" {6 {; q, N" d$ L0 D$ G' A
- #include <string.h>
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- typedef struct {
/ f# b9 {6 H9 `& n8 A! Q - unsigned int e2prom_cmd_sub_addr;
$ S. W2 P2 j8 N2 V0 p% [8 @. } - unsigned int sub_addr_count;; o/ A6 A2 l7 l2 T3 P: d* v5 ^
- unsigned char* e2prom_cmd_data;. g' C$ _4 s& ^+ d* h2 @4 n1 f
- unsigned int data_count;
% F2 g+ R- t ?9 l# m% [ |' B3 j - } e2prom_s_cmd;
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. q) p& `+ f( e7 b1 ^- #define E2PROM_CMD_READ 1$ E: p( F. z- `' }7 u4 U9 O
- #define E2PROM_CMD_WRITE 25 K: R: M e) b; x
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 ^6 W% \, x0 a, f! H0 f* o
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- static int readparam(unsigned char *mac, unsigned char *stbid)( F9 i& b+ \7 M; }
- {
7 G; P/ J/ P: j - int fd, ret;
( V7 N( h. G; R3 k+ J0 C, B% b - e2prom_s_cmd arg;
# J& A& c9 S% [ p - unsigned char buf[0x18];/ w' P: W9 @0 o% F
- H. e+ F7 r7 [1 N6 ?& }- fd = open(E2PROM_DEVICE, O_RDWR);( S1 j7 t# x5 t& L& A6 j2 E$ U
- if (fd < 0) {
; T" i u3 H' K - printf("Device %s open error.\n", E2PROM_DEVICE);: c9 o! [: w2 ^
- return -1;0 [$ h7 S5 k: y: {$ f+ ?
- }
4 f) b$ y! i: H4 Y4 h. c4 n - arg.sub_addr_count = 2;
- e9 ^$ b4 P$ q" U; P' t - arg.data_count = 0x18;
; i' F$ V& N4 P - arg.e2prom_cmd_sub_addr = 0x290;" X7 A5 O+ P( G* }$ s& V
- arg.e2prom_cmd_data = buf;$ l. `- t9 ~. M+ N
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);! U) r- A4 Q, ^( F
- if (ret != 0) {6 z0 Z. G3 A ?. Q" g, b, h
- printf("Device %s read error.\n", E2PROM_DEVICE);
7 \) C9 i8 \' q, ] - return -1;
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- memcpy(mac, buf, 6);
. J. a% m+ ^, G5 f! h - memcpy(stbid, &buf[6], 18);1 C5 j* I5 }/ J# Z; D4 Y& J0 [, L* {
- stbid[18] = '\0';
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" h2 I( y: R- s) y2 k- return 0;) |: G8 G, |6 p& }! s# u
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- static int writeparam(unsigned char *mac, unsigned char *stbid)/ y9 F. W K: u M5 E2 n+ e
- {
+ Q8 j: m! O) D+ g4 R/ A w - int fd, ret;
, s7 `9 H* w v; v - e2prom_s_cmd arg;
4 ?: {; R! U( m9 `9 _ I* b% O2 _ - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);& ?0 G7 C' Q6 s; |. w
- memcpy(&buf[6], stbid, 18);
6 Z4 V6 l6 ?% ^$ U+ ^! ~0 e - fd = open(E2PROM_DEVICE, O_RDWR);
9 F( Q6 }) o# m8 N- R/ w - if (fd < 0) {
9 v( w1 s' e* k: c6 u - printf("Device %s open error.\n", E2PROM_DEVICE);! N0 g9 j2 `6 U" Z" m* r
- return -1;( Q: F) L# i$ q" ]* o# k0 K- C
- }( J5 o, \9 M" c$ i* f! B, J
- arg.sub_addr_count = 2;2 F7 t: Z+ ~# c* o
- arg.data_count = 0x18;! }, E; D' ]+ E( Z
- arg.e2prom_cmd_sub_addr = 0x290;
) i* [8 x4 F# y1 K$ Y' w - arg.e2prom_cmd_data = buf;9 i `. `0 Y& W6 `
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, Y$ V1 p$ Q; e# [ - if (ret != 0) {9 [6 V5 p0 B! ~+ e7 o( r
- printf("Device %s write error.\n", E2PROM_DEVICE);! T) ~0 w% ]" S8 k
- return -1;
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- return 0;" v4 ~$ _6 |& U2 ?7 O
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- 9 M1 J- c) T& B( Q, ~3 j# `5 }
- int main()
+ s) k1 F! n! k) |- G Q - {
6 s9 G% n9 L; J7 X$ l) ?# \ - char c;
& u& L9 T# d5 l4 L1 n# \+ ? - int i, macs[6];
: R7 A8 e8 l* x# D q A - unsigned char mac[6];- N0 `6 G$ A& B: R7 Q
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0); w' i- {1 H h' _* D
- return 1;
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- printf("Current parameters: \n");' j q. n% |8 J2 Z6 H4 E" J
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% ^2 R- X, `5 ~6 |6 I - printf(" STBID: %s\n", stbid);0 F" ~) N+ x( I! h
-
( f0 [' l$ O i - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* g& A/ o0 M' I9 T - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 H/ B( I) l. a; i) Z - printf("Input MAC error\n");5 {; G" e* c$ w% D
- return 1;
2 k: [! e- ~- m+ L: p - }
5 @- H; l+ V- p7 K; ~5 D - for (i=0; i<6; i++)mac[i] = macs[i];3 U( q- n. f& x
- printf("\nPlease input new STBID: ");, o, r: D/ \ ~3 V- H# M, n* y
- scanf("%s", stbid);- h- S; R2 h Q/ [5 O: J$ V
- if (strlen(stbid) != 18) {
- Z: Y) c' m& ^7 V+ c! [; q# f" q - printf("Invalid stbid\n");
3 o4 {$ ?* q3 ~9 N1 ^ - return 1;0 D1 r% K8 i* ]$ I0 m5 ^
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- printf("\nNew parameters: \n");
% l9 U, ~5 C: I) T/ j' @ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. Y' k+ z( y9 e2 w O- ~6 h$ p- G
- printf(" STBID: %s\n", stbid);
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l D5 U; S' u3 z. V F- printf("\nDo you want to change paramemters? (y/N) ");
& g: z4 ~8 ]7 T - for (;;) {; j6 p+ y1 F' |- ~! m5 |6 [
- c = getchar();
5 Y: O5 R6 H4 u, b% O) C( L - if (c == 'y' || c == 'Y')
" n) ~5 F' }3 g6 x. B - break;
$ x! V6 g3 x. A - if (c == 'n' || c == 'N') {5 R* l1 J% M+ ]" X; L/ M
- printf("\nAborted.\n");3 g) w- b" t2 x+ Q
- return 1;
4 D {. F5 {$ d& Y. [ - }
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- if (writeparam(mac, stbid) == 0)
: D' c( P/ P( x6 \; H - printf("Parameters changed.\n");
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- return 0;
: l- a+ v% ]% d" E - }
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