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。
5 @" t) W, U/ s9 ~7 t需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
* ]$ ], i2 @) ]' g6 [" t- y6 t - #include <malloc.h>2 z1 |% H4 P' _ m! o1 r
- #include <sys/types.h>
9 J5 F$ g$ k2 f5 o - #include <sys/stat.h>8 l! T' c0 t8 M
- #include <sys/ioctl.h>* G& L1 K) g- [
- #include <stdio.h>' ?# e* Y9 Y) \8 W5 o
- #include <string.h>
; Z, R3 k, V* a$ T4 t: o' i* F; R) l - 3 u" Y( h' F' A1 y1 g/ q, Q
- typedef struct {
; y, H# w1 ]% m4 H; M - unsigned int e2prom_cmd_sub_addr;
- X# K) e3 Q. x" q4 P - unsigned int sub_addr_count;$ x. a: W/ X. v" b/ {
- unsigned char* e2prom_cmd_data;
. N) x- t' n1 Y( g - unsigned int data_count;& o! g% K6 P5 l! g2 L
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1; X* X3 ~& N& c* D) X
- #define E2PROM_CMD_WRITE 2; { `5 U" i2 P
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"# g5 s6 h! F+ X! h* u9 b
; o9 X. p$ V2 _4 O5 W9 j4 k2 I- static int readparam(unsigned char *mac, unsigned char *stbid)1 ]9 D6 I5 F5 m% \" W! W* S, r7 {
- {
; t) x4 _7 A# o - int fd, ret;- A! C& ]' o, F0 ~" Q& O
- e2prom_s_cmd arg;/ P: {* M* Y, m, q. S! }1 q5 l
- unsigned char buf[0x18];' i O; H, o+ O7 d+ w
/ `1 E2 v1 ^3 m" z- s0 i- fd = open(E2PROM_DEVICE, O_RDWR);
/ \4 v! s3 [; H, H5 I - if (fd < 0) {0 x7 j. E& Y. N( _
- printf("Device %s open error.\n", E2PROM_DEVICE);) z7 K/ l& W4 h* n
- return -1;
7 c, Q ~3 ]# n" F, c9 v - }
7 s, j% a" }( I. Z0 j - arg.sub_addr_count = 2;2 ^$ m( }* N! q n8 ~, C G0 J" }. H
- arg.data_count = 0x18;3 c+ f3 k' N( X: i6 \; p6 N* C
- arg.e2prom_cmd_sub_addr = 0x290;4 y* x; ~2 m( s- E8 n$ S: i
- arg.e2prom_cmd_data = buf;
' l8 x' e9 j( s8 T - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
( Z& O: @( M$ H/ T3 S* P- J2 @ - if (ret != 0) {
e( T2 B9 M- A+ c2 P9 D - printf("Device %s read error.\n", E2PROM_DEVICE);2 Y) B" q0 c: I( k5 }1 {
- return -1;
+ f: m3 F0 J' ?/ _8 Y& G& h3 b3 q - }
$ s8 Q( X6 n" R6 v" G1 P - memcpy(mac, buf, 6);
4 V d* q5 @# w3 G+ p; F0 y: p - memcpy(stbid, &buf[6], 18);) w% `* v/ \! d# `! k5 V
- stbid[18] = '\0';/ S: g$ S1 U: E. _
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- return 0;
8 i& n& r/ {1 M5 H# g* n - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)4 D/ ?# C1 o# I* M$ L
- {
5 Z; y& b: f) f i m/ w! L( H2 T - int fd, ret;
; r% b+ @- ~$ z ^& O - e2prom_s_cmd arg;
, M0 M& h+ A% r3 ^$ Y4 z" t - unsigned char buf[0x18];5 Y) E5 z4 I: e3 |9 f7 b9 r
- ' @( S$ l* A! ]' G) a2 f7 P- \
- memcpy(buf, mac, 6);9 _* s0 S! h9 L) G$ T; O
- memcpy(&buf[6], stbid, 18);
$ i! ~ Y0 @. i( q3 _ - fd = open(E2PROM_DEVICE, O_RDWR);9 V3 ]5 U0 F( K( i) o6 p
- if (fd < 0) {0 ~8 S- b+ s( a7 D7 o* x# @
- printf("Device %s open error.\n", E2PROM_DEVICE);
% y9 o8 p5 n- u$ u7 s& E - return -1;
8 R) Z# \) C1 ?( L+ C - }
* Y6 [ E& c. J" I - arg.sub_addr_count = 2;+ [. B# u6 R) D
- arg.data_count = 0x18;
1 b* i) z: A* g( \( [ - arg.e2prom_cmd_sub_addr = 0x290;
: J( a6 ]& W% L7 n# B4 k6 P - arg.e2prom_cmd_data = buf;
' F- ^0 y" J! \4 u - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- b% k3 R& h; Y! j5 ?) z, y- }
- if (ret != 0) {
8 l8 o9 I B6 i; V - printf("Device %s write error.\n", E2PROM_DEVICE);+ C, B% ^: y/ ~# ^6 p
- return -1;
* S- N7 X5 A/ J+ Y: I - }
* a! a) {% p( [9 H4 h
& u" @5 ^$ V6 b- return 0;
+ g# p" s7 ~1 r- D" @) w - }' W1 r- T6 C. F8 R! h8 f; {
6 r8 U" p- D) J, m3 c- int main()
* R2 K0 V5 @, s - {/ _9 x; s3 l7 }2 s' c
- char c;
2 u1 T; O# W0 r4 r - int i, macs[6];' G6 o- h* G3 N1 ~1 d7 y# T0 b
- unsigned char mac[6];
- O% r/ ]; U! {" }0 w4 | - unsigned char stbid[256];7 @5 V2 {* G- f$ A- I" ]
$ D+ j+ D M% M$ g; X6 {, ~- if (readparam(mac, stbid) < 0): U% f2 W+ g9 x9 ]* \" ?+ O
- return 1;
+ c; j8 F) z6 o7 O - & T8 z* U! |/ y
- printf("Current parameters: \n");" S% r/ u: |1 Q! l1 ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 v4 O) z& ^. M8 }
- printf(" STBID: %s\n", stbid);( _/ u4 f% m6 X* n
-
, u+ B- t$ ^- P) `4 W5 { - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, Z( r9 t& s, E4 k+ ?: c; q! b. T - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 R5 ]) e( `/ o - printf("Input MAC error\n");- J# I( J3 W$ m2 @. q# c
- return 1;
/ @2 r& d: m% X) T: \1 P7 G) |! i - }: Q. |/ {6 p, C1 }6 x& U. Y+ m+ p- V8 I
- for (i=0; i<6; i++)mac[i] = macs[i];) T. w+ m' b( B# R; b, t
- printf("\nPlease input new STBID: ");* t0 F: C/ W4 |: G
- scanf("%s", stbid);6 M: w' i3 `; ? M+ n
- if (strlen(stbid) != 18) {( ~* z8 T+ [7 f$ E# r1 I$ D& n
- printf("Invalid stbid\n");
' H% d7 ?6 z5 z2 R/ u5 [ - return 1;
& {# i; O& o* ]) a# a - }
9 b* S" K) F, r& h - printf("\nNew parameters: \n");4 [$ V8 l$ {2 F
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* ^4 V5 w3 q- _, s3 c5 ^ - printf(" STBID: %s\n", stbid);
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1 a. s6 Y& c: e7 q- printf("\nDo you want to change paramemters? (y/N) ");6 _/ D6 E8 i0 G( P1 E
- for (;;) {/ H8 Q( f, Z0 J% b! e9 Y
- c = getchar();
( t3 M; W5 c0 k( F& L - if (c == 'y' || c == 'Y'); w4 Z# r# Z2 F8 v$ R( j) Q4 L
- break;
; U N. @1 U8 G$ \3 e. A9 E - if (c == 'n' || c == 'N') {
0 p- M, h7 r7 b& }% X6 l - printf("\nAborted.\n");+ ?6 t' q. G1 |) x( o
- return 1;. {/ Y# g, S% g6 @
- }, o: A, M7 U k# F3 F( E
- }2 b6 o+ o- { |/ G0 o
- if (writeparam(mac, stbid) == 0) / F8 S! j1 A9 h' G) S+ f% ~; J" P" ]% Q
- printf("Parameters changed.\n");
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4 ]" y, d, y6 J4 G, F! `" w) @5 ~- return 0;
( q$ y! f7 h) h9 W6 e$ Q - }
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