本帖最后由 0522 于 2012-3-21 23:04 编辑
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1 X+ q% E! ~# a! q, }+ O( g修改的代码早有了。到今天不会编译。8 f4 L7 z v- |6 S
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>1 U' L& h C3 p
- #include <malloc.h>' X+ g+ e! r$ E9 D8 j
- #include <sys/types.h>3 X0 u2 S' [* {6 \
- #include <sys/stat.h>
+ X+ F, u `" i9 u' C: Q4 J - #include <sys/ioctl.h>* w6 @9 X2 `% y3 p- Z
- #include <stdio.h>
3 x4 C# D- N! P' a3 x7 B C - #include <string.h>
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- typedef struct {; X- C& k% `3 z7 f* S2 A
- unsigned int e2prom_cmd_sub_addr;
/ J8 F1 u" ?& h9 ~, I1 [( W - unsigned int sub_addr_count;
+ o1 [% m/ _- f2 b - unsigned char* e2prom_cmd_data;( R Q/ _, @. @
- unsigned int data_count;
1 I) B( U& K3 T - } e2prom_s_cmd;. P+ M1 z- E8 n. R
- ; `* [. J8 _, Q) d3 m2 x( g
- #define E2PROM_CMD_READ 1
, Z0 m2 A7 j" v9 D( }# [% b - #define E2PROM_CMD_WRITE 2* l/ x; D4 h' x, z7 |
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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% J2 a8 E% Z& l3 f( q- static int readparam(unsigned char *mac, unsigned char *stbid); w& m0 P/ k" v$ Q3 P
- {
% H2 k& ?: n. U9 p* h) ^2 B - int fd, ret;" Y' A3 O& N) S4 M2 o
- e2prom_s_cmd arg;
( T) N* X: J" n- X/ q3 l2 g. f" n - unsigned char buf[0x18];6 e7 e2 A: }8 k* Q% t! W( n7 F8 q
- % c' O8 j/ }5 S+ P; {' I
- fd = open(E2PROM_DEVICE, O_RDWR);( {0 [( U; _1 W( E, {
- if (fd < 0) {9 c$ @" w8 ?/ P+ ^9 g' C
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 N0 k! {3 {% a: V - return -1;
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- arg.sub_addr_count = 2;
5 H! |3 q! y6 V# t9 g7 p1 y1 X( ? - arg.data_count = 0x18;6 x9 N) Y- ?+ `1 E/ E
- arg.e2prom_cmd_sub_addr = 0x290;/ \2 f, q0 W3 M7 y3 X* m
- arg.e2prom_cmd_data = buf;
0 f/ g4 J; Y( V$ ], _$ D8 y7 K - ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ N% r' D" t7 _. q: m4 B1 f+ j
- if (ret != 0) {
2 W6 l1 Q) R1 J4 ]2 ^ - printf("Device %s read error.\n", E2PROM_DEVICE);
s. R8 r7 J! E5 a# J7 }3 z) M7 Z - return -1;9 S! a- ]* l, @
- }
+ Y" W) `8 K$ c& V4 k3 g' P - memcpy(mac, buf, 6);* v% }% E X- v! D6 C1 ~) ^6 l) j
- memcpy(stbid, &buf[6], 18);
+ n" V7 b" K$ s t3 M; f# v - stbid[18] = '\0';
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/ g' K5 f. z9 ]% Q5 ^5 u4 o- return 0;9 ?; N5 Z9 d j: K% j
- }6 @* }2 s6 l( G% K* b
" ?. |4 z. Y1 I \* [* `- static int writeparam(unsigned char *mac, unsigned char *stbid)
) i8 f( W: \4 K - {- ~& m% J5 Y5 D7 W% c' ]) y4 D( ]
- int fd, ret;
0 E4 a3 ^" [0 p' f. |1 S - e2prom_s_cmd arg;
0 m& N; w+ F) ]- C% [8 R - unsigned char buf[0x18];+ X5 o( F& c& u: c9 q
- ' P# A: p6 d) L. ]0 q! x9 D# T
- memcpy(buf, mac, 6);* I' B8 _/ Q, G: W; v
- memcpy(&buf[6], stbid, 18);
, f6 d: b9 a4 m5 D% e) y3 U8 e - fd = open(E2PROM_DEVICE, O_RDWR);, @ f& q( ]; N) L2 x1 D
- if (fd < 0) {4 z, r/ J/ f- @$ }8 ^& M T4 l
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ b. d( C/ L& N - return -1;4 e" N, D6 @/ q6 I
- }( z; `2 ]; B+ X( L
- arg.sub_addr_count = 2;' o8 b% q4 { t7 k- G0 D1 ?
- arg.data_count = 0x18;
* K6 f0 p9 T0 N$ N, s; c - arg.e2prom_cmd_sub_addr = 0x290;. r9 ~ Q2 M$ N5 x5 N0 F
- arg.e2prom_cmd_data = buf;8 T0 L5 X# n. V# i3 @ x. b
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);* m' y) _' ]% a) Z2 q' K6 B
- if (ret != 0) {
" a* U/ j9 I. v - printf("Device %s write error.\n", E2PROM_DEVICE);
6 m, s, o" S' {1 F - return -1;
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- return 0;5 j; n" q( U3 |/ o
- }
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- int main()
/ X" Z. Q9 d, t3 u. X2 e - {, b1 B, N- U2 G6 \' c
- char c;
( |6 b$ z( ~! O6 S W- J1 r - int i, macs[6];
7 X. z, ]. z& A" k% ^% t - unsigned char mac[6];
* N9 ?" C2 S! l" T - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)+ A+ J& f$ H4 L2 H
- return 1;
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: m. ?9 _# [3 Q: v; U- printf("Current parameters: \n");
1 M a- ] K; _ P9 H+ z$ F( B - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 ~3 A5 `3 d0 ]3 n* e - printf(" STBID: %s\n", stbid);) e' b2 O7 ?+ j& M
-
7 n4 s: b% ~; }& h! t - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
M0 U6 `& E7 K+ g7 j, J6 @ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! W- ]' x5 x( o4 b$ u" ?( g
- printf("Input MAC error\n");
( P% v, `+ ~5 M( \2 j5 Z" p - return 1;2 ^% u' ~+ F3 _' F& f' n: W
- }/ A# B- I& D! u8 K! o
- for (i=0; i<6; i++)mac[i] = macs[i];: a0 [2 i9 G2 t7 D6 R9 W
- printf("\nPlease input new STBID: ");
, E5 Q3 W3 W7 y/ v! i3 Q - scanf("%s", stbid);
& y/ ]- g% L! J t* Y% C# R8 r5 W e - if (strlen(stbid) != 18) {( R+ J( ? ^' \4 C+ a1 r& E
- printf("Invalid stbid\n");
e" s; y) n: }8 ~ - return 1;. w% w4 _# q/ @" i( e8 e, p0 ~
- }& J+ f3 u, f. P/ Y, D" m4 z$ `
- printf("\nNew parameters: \n");
5 r, z7 d- v: N8 L) j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* O' P- o1 F y
- printf(" STBID: %s\n", stbid);8 B9 ~+ d" o5 Z- c5 g! d6 c0 @5 q" e
- ; o$ Z- {3 I' v% H& G% E
- printf("\nDo you want to change paramemters? (y/N) ");
9 G1 O: ~) |. m3 }+ a - for (;;) {
# T) B3 U3 g3 o8 f! K2 C! W5 J - c = getchar();1 V$ s$ c( P" F$ S1 ?
- if (c == 'y' || c == 'Y')
; J0 D+ m4 B3 @# v - break;" A, o/ l( c9 F5 M. h
- if (c == 'n' || c == 'N') {
# @" i. m' V1 B& b; N - printf("\nAborted.\n");
1 r# B z! _. W, ^- }7 S. P0 L9 U - return 1;
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, h( x0 Y! m% `4 Z8 |; G ~: N4 g - }
% M; r( j, T; A P - if (writeparam(mac, stbid) == 0) " {, ~4 s! b$ O4 V$ r9 ]9 K/ @
- printf("Parameters changed.\n");
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- return 0;' W# k4 o' ]+ c+ J- }) `
- }
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