本帖最后由 0522 于 2012-3-21 23:04 编辑
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8 Z) O1 o2 ^$ p4 K+ E' L/ [. ?! q修改的代码早有了。到今天不会编译。
: R, T" y( A, h% Q需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" s! \7 w7 i4 a$ d N2 P: H0 x# {/ u
- #include <malloc.h>! v2 B, L+ B! F. p
- #include <sys/types.h>; u- G( w. o0 }0 D4 y5 r. O$ z# E
- #include <sys/stat.h>; R: d9 q+ M: n: `
- #include <sys/ioctl.h>
. H, @& F8 T$ E+ o7 r P - #include <stdio.h>% y$ U. w5 p' G. ~$ B0 y
- #include <string.h>
- A5 s0 b3 X0 @! O( Y& d - 1 p' d' u7 J T! ^7 p5 {/ m3 a
- typedef struct {3 k( \) D% I8 ]" c8 A
- unsigned int e2prom_cmd_sub_addr;8 R, `' y" B3 |, W
- unsigned int sub_addr_count;
% `% o9 y: A" g; Q7 x6 D - unsigned char* e2prom_cmd_data;; o' I2 L f6 r i2 ^; F' _0 K! x
- unsigned int data_count;4 t2 C F4 I! Q) G' i
- } e2prom_s_cmd;
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; z# \4 L; b/ ~9 X4 Q- #define E2PROM_CMD_READ 1
5 g4 e. v5 b# j5 F( }# O - #define E2PROM_CMD_WRITE 2
* m+ Z' q2 ^8 Q2 u) j; p - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"+ m( H4 k- Y* z5 t9 `
- / I2 a' d# S: C# a& W4 {6 @: A
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
8 n1 N' Q. J C* K - e2prom_s_cmd arg;1 r. X( U9 ^1 p/ M# q( S. @* b
- unsigned char buf[0x18];* h- h: `$ @0 r( Z$ R# m
- # m" U6 t" s( d4 H8 U7 O; A6 ^
- fd = open(E2PROM_DEVICE, O_RDWR);
P- n8 s5 k! O W; h$ B! v; K - if (fd < 0) {
% ~) F5 F' F9 u2 i1 A4 L - printf("Device %s open error.\n", E2PROM_DEVICE);
. n; p( B4 c5 j3 z. x3 g( F1 Y - return -1;
" ?1 T( K6 j5 E; G3 M. } - }
5 |7 L6 X( @ `4 } - arg.sub_addr_count = 2;
3 {) n8 i9 f" f/ {! l5 ^$ d' v - arg.data_count = 0x18;
: y' T$ p. x, O3 V& M Y x3 m - arg.e2prom_cmd_sub_addr = 0x290;
7 O4 c+ L# w9 M' ~% T3 m - arg.e2prom_cmd_data = buf;1 s- w% n1 F7 v! o( R, ~
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' {7 B& q3 ]5 F/ [# N# n% m% V - if (ret != 0) {, i3 i+ ~* a! b" u
- printf("Device %s read error.\n", E2PROM_DEVICE);
8 ~( T8 n$ J- @& W# q# p8 t B - return -1;
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2 w, Y# F4 i" i - memcpy(mac, buf, 6);
4 x8 H% \3 q" D/ H - memcpy(stbid, &buf[6], 18);( h j8 y/ S0 J4 I. `' e4 X! r. I
- stbid[18] = '\0';
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- return 0;
7 H' p- q- ~' e% g - }
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9 m: ^/ G! Z0 |4 u3 r- static int writeparam(unsigned char *mac, unsigned char *stbid)* }9 f+ F' L2 O3 |8 S
- {
. J% Z4 g9 t! \" A2 e7 F* h - int fd, ret;% I m$ Q( T5 `; G: \
- e2prom_s_cmd arg;
8 F8 H3 T* X2 r( q+ r; _ - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);+ _5 b% t2 G5 X
- memcpy(&buf[6], stbid, 18);
9 a5 c2 q: [* g" R, P" G7 h% s - fd = open(E2PROM_DEVICE, O_RDWR);
+ c0 }$ _1 U6 A# t$ C& v - if (fd < 0) {/ p# M5 J: g' _4 g" s$ d; x
- printf("Device %s open error.\n", E2PROM_DEVICE);
; _6 {. T, |: `. p7 s2 b7 { - return -1;
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" L2 X; y! N" i9 M9 a0 O - arg.sub_addr_count = 2;
A8 s; |2 U; b$ H( t8 e! N( q) g! P - arg.data_count = 0x18;2 x5 m+ @" v! C
- arg.e2prom_cmd_sub_addr = 0x290;
' i! p4 b g% _: q0 K4 k - arg.e2prom_cmd_data = buf;- t$ r& k# k1 y; |/ V
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" D- V6 e5 X2 z: T1 S3 ]
- if (ret != 0) {' K2 l! E$ B: F L: w
- printf("Device %s write error.\n", E2PROM_DEVICE); G0 M+ Z1 a$ Q3 I9 ]
- return -1;" d" J+ d2 t! T6 G1 u- I
- } |$ @8 x! |' L8 c0 c
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- return 0;
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- int main()& A& @4 M2 @+ R. A8 R; T3 M
- {
% v4 _$ h6 Z2 z) O& Q9 {. ]" [* y - char c;8 M& {$ i( Z9 F2 O; {. A! {
- int i, macs[6];( u3 m; E6 X3 r( }1 }
- unsigned char mac[6];
7 O- J# s' K0 |' a - unsigned char stbid[256];5 V9 z4 D' U7 Z: x7 D6 Z3 Z! j
- + t- Q6 Q: N4 O3 c1 U
- if (readparam(mac, stbid) < 0)
$ |* \; |4 {8 s3 g3 ~3 e8 K3 Q - return 1;( @" E7 o( d, N2 M( X3 F
- - U! H2 P5 W+ v7 f; m0 C9 W% c
- printf("Current parameters: \n");
; F- K* f! }/ Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# z# X0 t3 {8 J+ l6 o! Y
- printf(" STBID: %s\n", stbid);
( s( d# [+ I6 X4 s -
7 z) [1 x4 F& f+ g - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
0 G3 b$ W0 Q F6 ] b& u$ u - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
# o! n! Z5 b: U: N - printf("Input MAC error\n");
5 p' n9 k. X8 r* W - return 1;
3 @" R( z- a/ u! J+ Y- z$ S' P' }& W1 F - }4 k# Z$ W7 r6 J Z& |* B% L2 M0 O
- for (i=0; i<6; i++)mac[i] = macs[i];
. e+ i+ `* f$ \, Z! [! _! C( w - printf("\nPlease input new STBID: ");+ h2 f! R8 q7 x0 P) @8 `& I
- scanf("%s", stbid);) g1 s. w `/ s8 O5 {6 R6 {
- if (strlen(stbid) != 18) {
& p* m, r: w8 q- \ - printf("Invalid stbid\n");
2 Q; n# }& _& f - return 1;8 k6 a7 h" v4 B) w7 g& K ]
- }- m/ |. w6 h. N% D8 M* N) f$ O5 _
- printf("\nNew parameters: \n");
% z2 |" c1 j& Z' Q. u2 G5 w6 k2 l - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. d i' i, {0 S* e8 r* E1 u& T! S
- printf(" STBID: %s\n", stbid);9 e$ |8 x1 Y6 t; D
- 2 t: U+ t" P+ i7 c% K) G6 f4 {# f
- printf("\nDo you want to change paramemters? (y/N) ");( J( F- s; c3 [* z1 g3 H; U" z
- for (;;) {" K. ]* r5 a! M4 N) l/ l4 u% R8 O
- c = getchar();
. r& w8 ?/ h/ p4 {8 C* D - if (c == 'y' || c == 'Y'), ~# H, h- z. f5 f2 c6 k1 [
- break; o& k' s% a: g' u# x7 ?4 c
- if (c == 'n' || c == 'N') {2 n% p4 V8 @$ R# q+ t* s
- printf("\nAborted.\n");3 r2 L3 w, ~3 W/ @( j. t+ R7 n
- return 1;
2 P. \# `% G+ u) L+ m' } - }
( {' f. F4 @2 N1 L0 ?7 ^ - }
( I" U" y1 b1 z: T+ E& W - if (writeparam(mac, stbid) == 0) 7 F ]# e0 g( j# U9 j- \- `' A
- printf("Parameters changed.\n");
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- return 0;0 t+ V6 p3 |8 u5 ]
- }
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