本帖最后由 0522 于 2012-3-21 23:04 编辑
& ?) J! V1 I' V+ k! m. L, a# c. l) h/ }2 `/ C
修改的代码早有了。到今天不会编译。
9 N4 ]0 F$ y, h6 ~& o" V: S& l* R; A/ Y需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# ~& {' ?9 p& ?# b! y3 P2 f0 F - #include <malloc.h>, n" m) w+ ]8 |5 s) f7 ^
- #include <sys/types.h>
|* Z- X% M: R5 E - #include <sys/stat.h>1 K/ y. _4 I8 k8 \# M# s9 [6 r; d1 z
- #include <sys/ioctl.h> z9 t8 p# P+ z/ x/ {
- #include <stdio.h>
y* g8 V/ a$ Q% | - #include <string.h>: d9 W; f5 B2 |: L& R
- A. n8 H! e1 ]- E- typedef struct {
5 r+ q5 q( k- J* N2 w - unsigned int e2prom_cmd_sub_addr;
7 d0 d$ d' v7 }* V4 T/ O - unsigned int sub_addr_count;
: Y( ?# C4 G* t: Z1 [ - unsigned char* e2prom_cmd_data;$ N3 u! o) t! A& S& `8 t
- unsigned int data_count;9 J* K5 D6 I! n9 }) C1 L
- } e2prom_s_cmd;
; X# S9 v! b/ \! H( b - 3 t+ j v( k4 d) t
- #define E2PROM_CMD_READ 1
0 Z2 f, Z2 j( H2 S' P% b - #define E2PROM_CMD_WRITE 2' F! ]' z. \' c/ l: z
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
9 _9 H, Q# [1 Z: ~, | - 8 ~+ O4 c$ x, c; l Q. G9 M8 w
- static int readparam(unsigned char *mac, unsigned char *stbid)7 F p; S" Q( |8 k
- {
( G7 c1 ^' j9 r' ]2 s6 O - int fd, ret;# p, I$ e& K/ u. F
- e2prom_s_cmd arg;& n8 u2 `& j* Y2 A
- unsigned char buf[0x18];
; U' W3 {5 F" W d$ r0 k7 k* F - % Q: K* u" Z# U1 q
- fd = open(E2PROM_DEVICE, O_RDWR);
$ c9 P' k, E4 Z0 C: _" R& @8 V - if (fd < 0) {
% q2 I/ \+ u' s& ?* M6 l; r5 O - printf("Device %s open error.\n", E2PROM_DEVICE);1 h+ [9 o8 N' u* i, B2 Y( S7 h8 y
- return -1;& B0 p e0 T5 ^
- }
4 K+ x0 h6 Q; O" X: O9 @ - arg.sub_addr_count = 2;! b* `# |2 r; P: Q9 i S; Z3 U
- arg.data_count = 0x18;
: x. S- g0 e( d - arg.e2prom_cmd_sub_addr = 0x290;
7 H9 t9 j6 W( {" z0 _8 a - arg.e2prom_cmd_data = buf;1 {0 y5 X, h* D: x' I9 c
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ F1 B, j# R/ w( z- |
- if (ret != 0) {' |- T0 U3 ^% z0 }/ C) t# M
- printf("Device %s read error.\n", E2PROM_DEVICE);: l' I6 g& u- n6 I# c; `8 n) g
- return -1;
' j7 M$ d2 N- ]$ U - }& h9 z8 @- a- L8 n
- memcpy(mac, buf, 6);
3 W& J2 q! g0 r2 f& F - memcpy(stbid, &buf[6], 18);: e6 y& D2 a8 b" b d; V
- stbid[18] = '\0';/ {9 x) o1 c. r4 J" g: j5 ^4 B
/ o9 l. Y% q- @2 L! I" D1 y" @% @- return 0;
1 [( v C$ {8 t - }! S1 t( g' z* r2 h
% A* |! V _4 p+ {& O" u- static int writeparam(unsigned char *mac, unsigned char *stbid)( o$ V* l! d$ a, q0 A4 j5 G
- {
9 i' q$ B2 s! L0 T+ X - int fd, ret;( i3 ?1 R# O5 p5 A
- e2prom_s_cmd arg;
# t0 s+ V k: \: X2 e8 C - unsigned char buf[0x18];
. B5 p* x- P, G& z) k9 F' J
* r- O6 \; w# r- memcpy(buf, mac, 6);" C8 W" v+ A" Q7 w; J A# N) @
- memcpy(&buf[6], stbid, 18);1 Z) z5 u. X. M( Z3 {2 v7 G( r0 r
- fd = open(E2PROM_DEVICE, O_RDWR);) t8 d5 t( s' o1 f
- if (fd < 0) {
5 M. M6 g; Q5 \4 v3 S$ Z - printf("Device %s open error.\n", E2PROM_DEVICE);. L# E' z( C W# b0 k. }- b C9 P& _3 P; w
- return -1;
* B9 G0 n. A z# k* J) I# G - }$ y1 m6 J r5 _8 z M# V
- arg.sub_addr_count = 2;/ Y; [' a" ?# S+ ?# s% o0 I& V- m' r& ]
- arg.data_count = 0x18;
9 o" }. R7 A3 G J' ^( S2 G" w - arg.e2prom_cmd_sub_addr = 0x290;$ y0 i8 e! t% v2 m6 E2 t
- arg.e2prom_cmd_data = buf;
T8 F' y6 e$ L, @ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);3 E+ ]4 P. ? ^! ?, x, v" h$ P
- if (ret != 0) {
- g* z4 c9 z b+ G6 K& J - printf("Device %s write error.\n", E2PROM_DEVICE);( g& M, O+ q% Q! f6 B0 L' p( d. e
- return -1;) U. t& j. }+ w0 D: o
- }
8 i" m/ i L) D, w - ( G% }/ c$ M% I4 M, T" E1 u
- return 0;( _# @$ {: B) L A
- }0 H& N9 R. J6 b& s6 ^( D
- . ^6 h+ \/ L5 I" X
- int main()
9 ~" l. ^; j& w$ i$ | - {
# `" D: c( W6 g0 w3 O - char c;
' m" D5 B8 ]* V, m2 h6 B; W - int i, macs[6];
! P3 }4 U7 u! H* f4 X: z9 p3 y - unsigned char mac[6];! f9 d2 a: }- m+ S, I* d3 B
- unsigned char stbid[256];% w5 @$ E$ Y% Z
- # a0 |- }( ^& ]5 y
- if (readparam(mac, stbid) < 0)2 J; N, G2 k4 {" a( |! ~* S
- return 1;2 c ?7 y8 j9 z, v) z
# W# g2 w: J. M& I- w1 ^- printf("Current parameters: \n");
! ^$ v* e' G, y4 d" _/ j, Z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( C4 v3 E0 I( R$ D$ q' j
- printf(" STBID: %s\n", stbid);
" L0 W3 t9 H% W* T5 M" A5 D8 r - 8 b( ~: l& [* G
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: \; s3 Y0 J! L+ A. L+ s - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
2 D% B' t! u! O! i - printf("Input MAC error\n");+ t, v) ?. Z# h) e2 h* C
- return 1;
# R! \5 ?- e: R& _9 ? - }
* z0 k, ?. R. M- r+ a - for (i=0; i<6; i++)mac[i] = macs[i];
3 S" k$ z: K5 Y - printf("\nPlease input new STBID: ");6 x2 M# m) W! J* F# Y3 o
- scanf("%s", stbid);
0 J+ u+ L" k- P5 G5 u: w/ i - if (strlen(stbid) != 18) {1 S& }2 Z% z; X0 x! g; w5 J5 m! f; Y
- printf("Invalid stbid\n");
/ q. r) v3 p8 {, B) _* F' |- n - return 1;# T- ^' ?- e0 H; D$ e* A% U; p" |
- }
4 @* t$ w% H, R; Q - printf("\nNew parameters: \n");
+ j* r+ m9 R$ v3 p - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 p+ Z2 k8 D7 c2 h a4 l5 O - printf(" STBID: %s\n", stbid);
) Y* f4 A& W* w% Z$ l8 U
% W6 u! ^9 f4 |( ]- printf("\nDo you want to change paramemters? (y/N) ");
* ]' D; e3 _4 B - for (;;) {" s, d- H, z8 f- i; B
- c = getchar();
. H& Y, r/ |8 r; U% V+ [ - if (c == 'y' || c == 'Y')
W9 d9 u0 e7 D& u) G/ ]; \# Q, L$ J9 } - break;9 U* h4 N2 j7 P. K
- if (c == 'n' || c == 'N') {
9 d2 M; W8 s& @' M; l- t' ~ - printf("\nAborted.\n");8 S& _$ F8 V: ?- @' m! _- s
- return 1;/ V/ N8 X: a4 r; M+ c7 u
- }
9 u: M6 ]" N- E" f: F& L% i - }2 l) {: }! j9 c
- if (writeparam(mac, stbid) == 0) " _( [8 a8 d6 l, `- k
- printf("Parameters changed.\n");
$ E3 U/ b4 Q$ v3 X: ^$ H3 C
$ _3 f) o- I. [( \! c, }- return 0;6 r8 H3 M* n0 s2 ]9 I2 B
- }
复制代码 |