本帖最后由 0522 于 2012-3-21 23:04 编辑 % o4 z5 p$ h/ _/ @0 g2 {! f$ ^
) I) g9 K& I; [! A1 n. J! N& O修改的代码早有了。到今天不会编译。5 R8 I0 e- s0 }5 X" P% f
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
- I( N, m A9 |7 } - #include <malloc.h>
0 q4 k M0 w1 B, u( Y - #include <sys/types.h>4 t1 D0 c/ G$ ~
- #include <sys/stat.h>
) C: F, X, m6 u. e; o# j - #include <sys/ioctl.h>: s' o, |. O \6 z. _/ N5 F* {
- #include <stdio.h>
* C5 @: c6 R7 f5 t - #include <string.h>
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/ Q5 |( q1 R% C: F7 s1 W; u7 n6 N- typedef struct { A1 [7 E( F8 b) z( w& X
- unsigned int e2prom_cmd_sub_addr;7 y% X' k5 }8 p4 L. a; b- @
- unsigned int sub_addr_count;
. m: F( A- d$ t- B% H& \ - unsigned char* e2prom_cmd_data;
" Z% ?( K6 ]6 C( M! w' W - unsigned int data_count;* e7 Z* l3 V z6 U. x
- } e2prom_s_cmd;% l4 F2 ?% f/ [6 \$ i& e0 r( D5 j$ o
- - ]. f' u6 J) g) i
- #define E2PROM_CMD_READ 1" T5 n. z) m0 ] p8 `
- #define E2PROM_CMD_WRITE 2( v9 j- h, y+ J$ q
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
4 U4 `2 Z1 C' S4 l- z; ]( `& g1 W# R - {
" ]' {' L9 h5 Z% N# K7 I$ d - int fd, ret;7 v, @& x B& ~- [$ |2 d* L
- e2prom_s_cmd arg;- [ _8 o. c( I
- unsigned char buf[0x18];
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' v! [6 R; D/ v2 L% w l5 x- fd = open(E2PROM_DEVICE, O_RDWR);
% j0 v% l+ R+ J0 ~ - if (fd < 0) {- ]* e3 ~7 Z2 i' R. w
- printf("Device %s open error.\n", E2PROM_DEVICE);/ t, ~, y% U2 B0 T$ J; R2 s0 J; t
- return -1;
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- arg.sub_addr_count = 2;& ?% j4 P! R8 E4 H7 Y% Z
- arg.data_count = 0x18;
3 `; X4 [, Y% N" P" c4 t1 h - arg.e2prom_cmd_sub_addr = 0x290;
: f, K' E5 ^1 `) R3 |* v- c - arg.e2prom_cmd_data = buf;
( ?& R9 _% Y, B6 g1 M - ret = ioctl(fd, E2PROM_CMD_READ, &arg);: U; c) M4 R7 f/ m" ^- o
- if (ret != 0) {
+ l7 v5 L; Z; j) ^ - printf("Device %s read error.\n", E2PROM_DEVICE);
u1 {7 k/ O6 Z- W - return -1;+ k: K: y7 |6 k% h8 H6 [
- }
2 E7 h% H1 c9 [' y" C" y+ | - memcpy(mac, buf, 6);+ r3 r5 x# W4 \8 G
- memcpy(stbid, &buf[6], 18);
+ k; P; V# g6 B( o - stbid[18] = '\0';( P$ y, p$ L9 y1 y& Y
, Z1 m9 v' s9 t' R- return 0;
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: x7 E! s& Z% F3 b. x- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;$ n( C ^- ^) O( S s5 U) s
- e2prom_s_cmd arg;
. Z. r& z* Z3 J5 U# ? - unsigned char buf[0x18];
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; x& V4 F! q0 L& w9 ?- memcpy(buf, mac, 6);' p; e+ j% |: P
- memcpy(&buf[6], stbid, 18);
) D' ?6 o! d$ `' ?# e - fd = open(E2PROM_DEVICE, O_RDWR);. S0 q" I3 M1 U, f1 G" }
- if (fd < 0) {
+ Z2 b9 R8 U5 S2 r - printf("Device %s open error.\n", E2PROM_DEVICE);4 V6 l7 r4 l& \9 o% a
- return -1;( I7 o! n! T1 L. L" B$ ]
- }
7 d( P; y' z$ C+ h' ^9 ^ - arg.sub_addr_count = 2;/ W/ r- p0 ~- M- O% c5 R
- arg.data_count = 0x18;2 R0 r8 @( w4 d% a: s; c3 W! k
- arg.e2prom_cmd_sub_addr = 0x290;
0 N4 S Q- O+ F7 Y2 x' H - arg.e2prom_cmd_data = buf;
9 r- }. Y' Y. |8 d& q* D/ [ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 j9 I2 O; c: @0 ?8 P+ q2 m1 y$ p - if (ret != 0) {
: s7 P6 t2 Q; J# z/ t - printf("Device %s write error.\n", E2PROM_DEVICE);# r* E c _1 U6 V2 _
- return -1;
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9 A8 E, s, P' p7 B& K& f- return 0;
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- int main()9 p3 E: o" [1 A% W) }$ `
- {
* H& J) M; g3 r$ p9 Z - char c;
6 h/ M( S$ s$ q* ]+ | - int i, macs[6];
! l- Z. ` _7 ?% x - unsigned char mac[6];% l' i* Y; g3 H" A
- unsigned char stbid[256];) Z$ b+ N! O% ^0 {. t& \
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- if (readparam(mac, stbid) < 0)8 }; N( O$ e9 g( }3 u% ?# M; D
- return 1;
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. Y; a# `6 z6 H/ \ R: h' [- printf("Current parameters: \n");
$ U* m& Y0 Y$ u/ S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& ]- x1 P0 i1 S) v
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");, v8 ?4 U% F J- b5 g) _* ?0 m& X
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {* N9 ?- |7 i; n
- printf("Input MAC error\n");! s* ^, X1 Y$ M' w& X0 }1 s! \, ?9 a
- return 1;5 u' @' U) x h2 o# c! H% F8 c
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- for (i=0; i<6; i++)mac[i] = macs[i];
5 M5 S3 c2 f5 V% c4 M - printf("\nPlease input new STBID: ");. P" d( j+ f9 C$ @# x
- scanf("%s", stbid);
4 [$ [# R1 Z1 B - if (strlen(stbid) != 18) {( z% }0 f' t/ l! T+ v( j* y
- printf("Invalid stbid\n");
0 ^) l# j% D% r3 u9 a/ U1 y F% ?" g - return 1;
5 T6 E% b) [6 L) t% c - }
3 y1 }% R" B# t8 ~1 j- r' C8 P - printf("\nNew parameters: \n");
6 v# f5 ^: I& v3 ] - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% {& z# }+ D' ?, z5 C3 s
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
1 k5 j& ^( G$ |3 {; [6 G2 B9 P - for (;;) {7 F6 {% \0 M- J
- c = getchar();, Q8 c8 a2 o! b% n& b
- if (c == 'y' || c == 'Y')
$ M+ {4 g" [# v/ V; i - break;7 @6 G6 F. u/ F3 n, ~
- if (c == 'n' || c == 'N') {
; l8 r; f+ W6 @: \2 x - printf("\nAborted.\n");5 O3 s2 a. X8 m# E6 t2 X, {; s
- return 1;
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& D# F# K) X1 c8 h- [9 y - if (writeparam(mac, stbid) == 0) # S/ b8 |8 X/ }- d% i
- printf("Parameters changed.\n");
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6 e8 U, ~; Y9 a1 k) S: g' v1 N- return 0;
4 ^. ^8 ~- g) Y0 w" C - }
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