本帖最后由 0522 于 2012-3-21 23:04 编辑 & h4 S- A# x% `; T
1 ?( ~' [$ {3 T5 ?6 |- O修改的代码早有了。到今天不会编译。
; t: d6 k) h6 V9 F6 U# g需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
! x, x* `% N; Q/ a# B# ^ - #include <malloc.h>1 X/ Q( ]$ b0 P5 F" n& a
- #include <sys/types.h>
+ ^! V1 B/ A' d$ R& i! d3 W) W D - #include <sys/stat.h>
: @# f$ B5 Z$ W2 y/ }+ W! C( @ - #include <sys/ioctl.h>7 N. d7 o( a% n0 y
- #include <stdio.h>
! s: V7 M5 W" d( {9 |- g$ U' y# R - #include <string.h>
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- typedef struct {7 @; @6 ^5 Z9 r+ F$ E# U
- unsigned int e2prom_cmd_sub_addr;
/ w/ n$ O! U- [. t! d5 e - unsigned int sub_addr_count;
5 @/ u; W/ G( K) z - unsigned char* e2prom_cmd_data;( X$ u1 K2 r" J. n$ E* b6 [6 c1 d
- unsigned int data_count;
% O& }$ E- W3 M8 j6 T- c - } e2prom_s_cmd;
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, `* P+ R9 B1 b0 c: U$ D- #define E2PROM_CMD_READ 17 d) f6 M0 l! U/ R
- #define E2PROM_CMD_WRITE 2. K; C, a L+ N9 b
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* R# e4 P$ l% m+ c- `& q% q. c
" Y* z: n* v1 k/ I- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
( T+ o, r. c7 Z& d! m% q2 x - e2prom_s_cmd arg;+ L7 a3 }+ N7 Z0 U* _; F# f) f/ Q
- unsigned char buf[0x18];% B; c9 e' W/ K0 P$ A: b3 f( g
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- fd = open(E2PROM_DEVICE, O_RDWR);9 `4 c! b, v& u' w& U
- if (fd < 0) {1 z4 r. t/ w o- F
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 {& m' m+ l/ y% y( A8 T! M: Q; b - return -1;7 j6 t5 }' w) g b
- }
& r2 o( G# \4 d+ w - arg.sub_addr_count = 2;
$ O. B' D& j+ q' C - arg.data_count = 0x18;( n. w) `0 R& a J, M# R6 A
- arg.e2prom_cmd_sub_addr = 0x290;
; ~7 L' }5 J' \6 D, Q4 t- K) ` - arg.e2prom_cmd_data = buf;
* p: Q: c' T* g2 ~: g - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
9 L1 x2 n$ Z5 B( R; n+ V - if (ret != 0) {) m7 Y. p, l6 \: m% U4 J
- printf("Device %s read error.\n", E2PROM_DEVICE);( ?6 Z, E5 k/ T, q! g# Y
- return -1;
; [' p! j( }2 Y0 x& G - }
8 E+ D' B' K+ h1 Z - memcpy(mac, buf, 6);9 s& _5 H3 [( G7 v0 k
- memcpy(stbid, &buf[6], 18);
4 M1 `/ _) k. d! L. F - stbid[18] = '\0';
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4 k. C& G1 a4 a+ ]+ t6 {- G( E- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;: f3 h6 c- ^/ U- W, [6 P' ^8 g
- e2prom_s_cmd arg;
; {/ a4 o' h3 A - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);0 l1 c5 e) t& P& n
- memcpy(&buf[6], stbid, 18);" [" _8 |# l$ ]% d- |4 Z
- fd = open(E2PROM_DEVICE, O_RDWR);: r' `# R- ^/ _1 }4 ?
- if (fd < 0) {
7 A5 Y" w5 \* Q4 ^4 i2 h* X* j - printf("Device %s open error.\n", E2PROM_DEVICE);9 v- Y5 t4 e% \- @! [
- return -1;
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- arg.sub_addr_count = 2;
! V9 U4 m( J. Z" _) a$ l! L7 | - arg.data_count = 0x18;
5 k& T% z3 o/ ^0 I) o+ f8 {4 o# O) o1 @7 P - arg.e2prom_cmd_sub_addr = 0x290;
/ x! K; y$ r- u - arg.e2prom_cmd_data = buf;. i. o% V- e) W7 g9 J$ L
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ Z+ D; z0 }# p- B - if (ret != 0) {
`" U: k, k' e; S1 S: U$ i - printf("Device %s write error.\n", E2PROM_DEVICE);
9 p2 m$ x/ g- \* [- J0 c) Q - return -1;5 _( R& m s& e( |
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- return 0;0 k+ ^1 s+ @$ {* V
- }
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, u m1 \* ]: G: `( D' H- int main(), E9 M2 c2 `8 J7 ]) ^5 r# g0 v
- {
: y5 y2 m7 _4 x' C( ^' f5 C - char c;
9 g$ `3 x$ y/ }( u o' B7 C) u - int i, macs[6];
" M' @' }3 Y: e, f/ R - unsigned char mac[6];. r* ~# O# R0 s
- unsigned char stbid[256];
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; d2 S. D$ @2 m n7 `- if (readparam(mac, stbid) < 0): E. [/ W$ C7 j) U, K" c& q! `
- return 1;6 [2 S: S3 Q$ G- C7 m' l
' }9 i' e+ y) D+ D- printf("Current parameters: \n");
! z; g. X9 w# W- Q% ? - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% O) ^1 F+ @) W, M; u2 k! v - printf(" STBID: %s\n", stbid);, n! l5 M$ |" ?+ v# M# R
- 6 `9 p. y7 }/ |0 h2 ^; m
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% C6 V- M7 b" ~7 e6 X - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {: ]8 ?6 M; ]/ W; l; t7 a
- printf("Input MAC error\n");
* Z# O" O! a/ [6 p+ ~ - return 1;6 a' i' W0 d& k7 I; x
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- for (i=0; i<6; i++)mac[i] = macs[i];
$ h$ K# w, c& \% B* \ - printf("\nPlease input new STBID: ");
) p2 T2 Y$ {! ?% y7 ^- H - scanf("%s", stbid);
! d7 K) D( q1 S# f - if (strlen(stbid) != 18) {
; k* P9 i" q4 g. P) `9 A9 | - printf("Invalid stbid\n");
, c6 C8 }; R. i* w" V - return 1;
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- printf("\nNew parameters: \n");
* t# ^' S1 ]" e. B$ Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 J: b2 ^; ~& j/ O3 i+ g# @
- printf(" STBID: %s\n", stbid);' g! I* q4 c2 f! P
- * V. ~/ I7 i6 [! \6 q. f: K
- printf("\nDo you want to change paramemters? (y/N) ");# X) _/ O$ P& |: ?$ j
- for (;;) {
: @" Y7 x- R; Q |2 d/ s - c = getchar();
/ v3 F$ G, d% P+ C - if (c == 'y' || c == 'Y')
6 z' M9 B# ?; q" Y9 | |: C - break;' M+ q* k5 f; U% }" @$ D5 A
- if (c == 'n' || c == 'N') {, k' L2 Y$ j+ s( J& i
- printf("\nAborted.\n");
l, W/ U8 F; W" C1 i% K# i - return 1;
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- }) ~4 g5 z8 C& `. ^8 g
- if (writeparam(mac, stbid) == 0) " f& U! B5 F" w7 H2 [
- printf("Parameters changed.\n");+ }) T" [0 C8 ^6 r# P
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- return 0;: ]5 }9 x" w% p0 ?4 u0 P
- }
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