本帖最后由 0522 于 2012-3-21 23:04 编辑
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3 r$ Q, }# z1 F3 v* \4 C) g修改的代码早有了。到今天不会编译。# E9 L( G/ H- \( {2 A0 o; A9 _2 \
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' x$ f9 o" U" z$ {, Q! G5 s- A, U8 Q
- #include <malloc.h>
: _! x$ [0 Y& R- ~* r" A$ K6 B - #include <sys/types.h>
. s( |2 Y# B; m m- x p5 c - #include <sys/stat.h>
, D; I1 Z' ~! c - #include <sys/ioctl.h>
5 M- y3 t% T2 r0 y7 r9 m - #include <stdio.h>
7 m/ A+ d* p* @! l5 M - #include <string.h>' s& D) \/ t8 G6 F2 w' \
- . ?9 e4 h, T2 ]" @: b
- typedef struct {- Q: i1 G! K! g% E R/ F# R
- unsigned int e2prom_cmd_sub_addr;
' R: ~4 q/ q w; f( d% W - unsigned int sub_addr_count;; |! N" ]0 p, \7 L
- unsigned char* e2prom_cmd_data; r2 x4 }4 n2 ?9 ~ g
- unsigned int data_count;3 i8 v8 u. s) I) T' G8 M* V
- } e2prom_s_cmd;) Y( ~' R% s) f) X/ X
: F! J7 d( ~3 s5 \- #define E2PROM_CMD_READ 1" c6 Q) o. T7 ?0 S) {; ?6 x* V
- #define E2PROM_CMD_WRITE 2
1 D- k% \. c, ]+ E$ W' p8 m! V - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)3 o7 S$ x# u7 I" T# C6 p4 r
- {( j% W$ y: |( y$ D9 g" e) I: [- H
- int fd, ret;
! c& W7 T- f; [ i2 | - e2prom_s_cmd arg;
$ r4 S4 j( n! G; @ - unsigned char buf[0x18];( k$ A, Y: t# a r( R
6 ^. X `7 P1 o r5 e- fd = open(E2PROM_DEVICE, O_RDWR);' ?/ u, B. ]6 \8 Z& M5 F# |2 l
- if (fd < 0) {
* g8 e/ |' N: Z - printf("Device %s open error.\n", E2PROM_DEVICE);
1 ^0 {1 z8 g- N' r. c. k - return -1;
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- arg.sub_addr_count = 2;( J3 K# \/ g/ u5 J7 w* }
- arg.data_count = 0x18;
- z9 m# B3 h5 z/ e( O4 S; D2 G - arg.e2prom_cmd_sub_addr = 0x290;# Y3 ?4 d c4 J
- arg.e2prom_cmd_data = buf;
7 \0 T8 S6 I/ l2 T4 g - ret = ioctl(fd, E2PROM_CMD_READ, &arg);* `: \- f0 b4 Q' b" E2 b7 M
- if (ret != 0) {) U( m. F3 m, s- d- D
- printf("Device %s read error.\n", E2PROM_DEVICE);0 S6 d( F8 y3 \5 e
- return -1;% |. o1 o. P" Z- ?( ]1 b) |
- }; s# o2 S2 d3 ~* j
- memcpy(mac, buf, 6);6 c2 E8 P4 p8 ^/ {! m( o* a
- memcpy(stbid, &buf[6], 18);
* K0 k/ R$ o; `( z. @! q5 N/ h - stbid[18] = '\0';
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7 U% E% [# o, d' C y6 X- return 0;( M% _8 H! n1 G' ]1 Q4 t9 u. C, s
- }& E3 U" ~; s+ t
- ) p7 n4 W2 [% E7 S! p3 G; O
- static int writeparam(unsigned char *mac, unsigned char *stbid)+ n: n6 _8 S) [, X6 j
- {
2 b1 Z7 h& R- T. _5 H - int fd, ret;
+ u0 _& }+ X9 Y1 `" B - e2prom_s_cmd arg;) Y. ~: w8 {- K0 z
- unsigned char buf[0x18];, Y( a: U; O2 Y% w+ F7 E- B" k
$ a' `9 a- D. {1 D$ `- memcpy(buf, mac, 6);1 n1 A& h$ l8 R( h
- memcpy(&buf[6], stbid, 18);% j) N. ]4 L: _ f$ d9 S
- fd = open(E2PROM_DEVICE, O_RDWR); I0 J% F8 z1 A8 b' ^! L- ?
- if (fd < 0) {9 _2 H+ L+ K( j2 r
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 {& D3 O4 a* w - return -1;
: a8 I2 V R. H q; ]: n - }
\, ]; |! x- J% @8 G - arg.sub_addr_count = 2;
9 i8 ^+ I, A: ~1 o- U8 f+ W - arg.data_count = 0x18;* e% y4 k( |: L( _8 L! Q% b
- arg.e2prom_cmd_sub_addr = 0x290;
0 m6 v( N( X0 c( c4 R- b - arg.e2prom_cmd_data = buf;% Z `! M8 e: M( y* L7 `5 {/ b
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
3 ~0 p0 x7 L# m1 B - if (ret != 0) {
% l6 \! L7 K7 {$ b. V - printf("Device %s write error.\n", E2PROM_DEVICE);
5 K+ i' k; I6 h! r) } - return -1;
1 z6 i' N+ l0 l0 [) u2 U3 f: N - }
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- return 0;
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F* N" R; {. [- R* U- int main()
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- char c;0 W0 W! R& @4 F3 |
- int i, macs[6];
% e* K( { H$ f8 A0 T8 |$ G - unsigned char mac[6];
2 U7 T- M: d; o" A& Y/ H; O# Z - unsigned char stbid[256];- ?# {2 ]% \( _6 A5 l( ^. `
- 7 V9 c( d6 M( q- E; l) E
- if (readparam(mac, stbid) < 0)
$ m x0 N: p4 O# c6 z0 g - return 1;
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- printf("Current parameters: \n");% \2 V% _) v9 {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' ]# c- E: u; E2 Y' x& C3 B4 \" H
- printf(" STBID: %s\n", stbid);) g" C! c1 w; K x0 J6 G; f
- 6 c9 F2 N1 q* d) s% D( d2 U5 L+ |
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
; y V/ {# ?( v2 [' X( V - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* W6 B4 R1 V% L5 E( m' Y - printf("Input MAC error\n");1 N5 j- h% S( M) C3 h" ^5 p3 j
- return 1;
) X" J$ e" p# H, R% ^ - }
' x& Q( `5 v: B+ Z: k" B6 R - for (i=0; i<6; i++)mac[i] = macs[i];) M/ r$ J: H. {6 T9 A. X& Q
- printf("\nPlease input new STBID: ");
0 m! {2 S- ]) V- m! V- @ - scanf("%s", stbid);
$ f: _# U/ @5 i6 B- n+ I" V - if (strlen(stbid) != 18) {
/ C/ u) Y1 \3 r - printf("Invalid stbid\n");
) [# @( ~2 v- B5 v* ^" d - return 1;0 }! f+ }) k9 Z1 i! M
- }0 Q( a! L0 M- B+ ~5 d2 M8 b
- printf("\nNew parameters: \n");
1 e: m0 E- h5 s1 J - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ A1 j+ M, V" g2 v, m T
- printf(" STBID: %s\n", stbid);
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" k% } v- x+ b0 k9 n- printf("\nDo you want to change paramemters? (y/N) ");- L3 z* Y+ S/ w/ b
- for (;;) {
d* k5 l8 v: _: s. l; I - c = getchar();
; d* b9 h0 m J - if (c == 'y' || c == 'Y')4 Z5 K6 A* `/ K% a
- break;
, N- e4 j; h) P3 `# D, [0 c3 p+ U - if (c == 'n' || c == 'N') {
* u. O. v' Q3 X2 t* I; G - printf("\nAborted.\n");
1 [: K* X8 z. {' d, }) _$ j - return 1;9 q) `' u6 M% H; Y
- }
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- if (writeparam(mac, stbid) == 0)
0 _$ g, x5 b! _: V, q4 E' H' G- |$ G1 L - printf("Parameters changed.\n");
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- return 0;" u) Q/ J+ {/ t5 u1 a( u
- }
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