本帖最后由 0522 于 2012-3-21 23:04 编辑 6 i0 N4 h& C( e V. B
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修改的代码早有了。到今天不会编译。
+ G( d9 o: ]/ h3 `4 e/ f需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
9 j& m5 b1 y! b2 f - #include <malloc.h>4 g7 \' z6 [* z& O. Y" V* b" j# v
- #include <sys/types.h>% T9 h& {/ q% }# x- ^$ v% R/ H+ {
- #include <sys/stat.h># ^' B/ X6 E" ]$ w N5 N
- #include <sys/ioctl.h>0 K9 }: m0 T" O T* B% ~! L2 H
- #include <stdio.h>. y. B& ]+ J8 Y9 b8 i( P7 C
- #include <string.h>" {( R2 L. W1 h/ a5 f
! V/ A! n; R% D# P) t- typedef struct {/ n- E" ?1 _ p4 a0 d8 F
- unsigned int e2prom_cmd_sub_addr;
1 q0 I6 c% z, d% B5 e. x% u" m - unsigned int sub_addr_count;. h; f9 c1 |! p! p/ C2 R! Z
- unsigned char* e2prom_cmd_data;$ r i6 U8 B$ z6 ^6 l
- unsigned int data_count;
" S% E' N* ]( u1 `9 M( _6 C - } e2prom_s_cmd;
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6 P" Z, c9 H2 \: m" l* R- #define E2PROM_CMD_READ 1* A i. R' U: e5 g6 K" l+ }! J4 s. T
- #define E2PROM_CMD_WRITE 24 p6 |# A9 z$ B- |! _ f4 ~2 e, C
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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2 X* P. H$ T, Q- static int readparam(unsigned char *mac, unsigned char *stbid)9 z! H0 ]+ x6 G+ k6 b
- {
8 R T/ g% d; z/ G- a- ?/ d) X2 Y - int fd, ret;
B& S$ a0 C$ s/ o7 O" | - e2prom_s_cmd arg;4 U/ t- h9 x" C4 B D
- unsigned char buf[0x18];
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# u% |8 q0 w9 w* \ M- fd = open(E2PROM_DEVICE, O_RDWR);; c" t7 ~) O& K, u( ]
- if (fd < 0) {' c: g% d: A9 Q6 q9 {7 _, M! d
- printf("Device %s open error.\n", E2PROM_DEVICE);
" Y. H% G% d; U% ]9 I2 Y* b - return -1;
0 B$ e2 e+ M) G, o# n5 v - }
0 Y, }- K w# x& i# g - arg.sub_addr_count = 2;
+ |& @2 N" r5 U$ E! C - arg.data_count = 0x18;0 u0 Z8 h' h3 e1 {, `! m2 a
- arg.e2prom_cmd_sub_addr = 0x290;
/ L: t+ c4 D" k; b7 e - arg.e2prom_cmd_data = buf;3 W( u: G7 s' D! z9 `
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ I, c$ F- C t; z& ]) b
- if (ret != 0) {
/ H$ F2 ~4 B6 Y; E - printf("Device %s read error.\n", E2PROM_DEVICE);
2 F1 G$ A: j! E( a, {. \0 I3 @ - return -1;
+ h+ c2 f/ ^& i1 d1 { - }
, {5 x6 R1 X+ t q - memcpy(mac, buf, 6);* f- p' P5 |7 L! X
- memcpy(stbid, &buf[6], 18);
5 {3 O1 b7 s' s1 l2 F+ j- D5 F2 { - stbid[18] = '\0';
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* F' d- m( Z( T) Q" ?# ^. Q. Q- return 0;4 { z" K& l7 D) z! ~/ o8 W/ u- u
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
( v5 f y6 H" _2 K - e2prom_s_cmd arg;
. ~0 [1 C( E. z3 O! o$ o9 I( Q - unsigned char buf[0x18];
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0 j0 q5 m2 _' ?% |( B+ ~- memcpy(buf, mac, 6);
, o! Z3 G% x% Q' J( f; Q( B - memcpy(&buf[6], stbid, 18);
5 \ |0 _: _/ d6 U' R - fd = open(E2PROM_DEVICE, O_RDWR);
# d* L% S' X0 U; z2 C# h - if (fd < 0) {
/ h( s% r" U" O4 c" }: j0 E8 e - printf("Device %s open error.\n", E2PROM_DEVICE);
4 Z: |! i. g/ L, e6 k, A - return -1;: N$ L7 V1 h& D- T' c
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- arg.sub_addr_count = 2;2 T3 D0 O, o! J J" S/ I
- arg.data_count = 0x18;- P g Z: x# B! `& [5 J3 [
- arg.e2prom_cmd_sub_addr = 0x290;
1 Q' q# I0 v2 V* |# ^* X - arg.e2prom_cmd_data = buf;
6 w" J7 |- c# L, a( J( \- Y% {$ T9 d' B - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 f; k+ @9 L+ n - if (ret != 0) {& S! ?6 f' v4 {
- printf("Device %s write error.\n", E2PROM_DEVICE);4 W" P- I3 d! n- X2 w( H
- return -1;8 S" R# q& N" t8 d( @. p& ?5 p
- }
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- return 0;
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- int main()
; ]: a$ \9 A1 x+ y6 U& H - {
% K- p q- a3 U9 Z( R - char c;
% A/ p+ v3 H5 o - int i, macs[6];
- O9 c6 e- Q5 }# u3 g' \ - unsigned char mac[6];4 \$ s: C! A3 V
- unsigned char stbid[256];- g0 p5 I3 j8 u2 {
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- if (readparam(mac, stbid) < 0), Z& P6 O( C1 n
- return 1;
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- printf("Current parameters: \n");
4 n7 }8 A# x- h( m9 b - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: n/ i3 B3 W5 n/ R3 i
- printf(" STBID: %s\n", stbid);
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: h- ]/ s/ \ T3 R' ` - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* _4 ~9 K6 F. H( F - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% h! ~; Q; L+ B7 Z3 g; ]: T6 U
- printf("Input MAC error\n");
0 H6 `7 j# a# e* y* [ - return 1;4 N' r" g2 b' o2 T4 S
- }
2 ]0 d+ U% V# E* s" h( G - for (i=0; i<6; i++)mac[i] = macs[i];; N2 g0 F. Q; H" ~
- printf("\nPlease input new STBID: ");4 Z, V6 a, t& i9 Z' L/ | T
- scanf("%s", stbid);7 Q* O- O4 o) ], K6 o4 _1 J2 g
- if (strlen(stbid) != 18) {
~; U2 h6 `! J- X+ m! T( I: b6 ^ - printf("Invalid stbid\n");
) v7 a; D; A) s - return 1;
& H! ?/ l! }' d1 B. ~: i2 f - }
' C, J0 Q( Z# Z8 ~ - printf("\nNew parameters: \n");
, ^5 i# J' r! l) Y) n - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 `0 e1 ]0 \6 x
- printf(" STBID: %s\n", stbid);
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9 p+ X: q) p6 w U; V- printf("\nDo you want to change paramemters? (y/N) ");
% ?- j6 o" e. J3 W: f$ Z' d# t1 Z - for (;;) {
3 f4 D% u4 s/ S" p - c = getchar();# v; i6 L, t! _4 H
- if (c == 'y' || c == 'Y')
% S! J- q% k% q8 i# a - break;
. t0 H5 D2 w. E9 H+ \/ [( } - if (c == 'n' || c == 'N') {
% [) G5 p# [, J, ]. X9 v' l( T - printf("\nAborted.\n");& }7 e: ]5 x+ O$ _& }8 s
- return 1;2 c- S1 I$ w1 Y: w" ]2 c- o
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- if (writeparam(mac, stbid) == 0)
) E! k7 D: L" S6 d - printf("Parameters changed.\n");+ p9 Q6 Y, Z7 d4 {. e3 ^8 m8 W
6 m9 F6 q8 K+ ~. L, ]* @- return 0;: y( j3 U) n4 q& u5 I
- }
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