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。8 t' ]3 L0 v5 r" n7 W4 C
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>$ |1 J A2 e" X
- #include <malloc.h>
3 B5 q% S4 c$ o& C - #include <sys/types.h>
" x# P2 @" A9 m - #include <sys/stat.h>
3 c+ z1 l5 q, U% t - #include <sys/ioctl.h>
( S6 H6 P) f7 e- R6 I, ^ - #include <stdio.h>! C% Y" U( J: U3 a k
- #include <string.h>
# D' X! u4 |1 T* c, Q! ? - " Y% A4 D. o8 c; e- y
- typedef struct {/ ]+ P& i1 X1 I) P# |
- unsigned int e2prom_cmd_sub_addr;
% u2 p1 t: [% M' R k, {" t2 Y - unsigned int sub_addr_count;
, [% C8 V: ^' x" S* A1 \: ~0 a - unsigned char* e2prom_cmd_data;7 e* V' ]+ m+ j# K, p
- unsigned int data_count;
& P* x. J* I( y8 j. i - } e2prom_s_cmd;, Y3 ~" r) M) N
- / G& W o+ R: U4 F: _$ r
- #define E2PROM_CMD_READ 19 d; d* d& K8 z: j/ H) [
- #define E2PROM_CMD_WRITE 2
$ o0 X& [1 y# [8 V" P - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", R2 o p% ^* ^9 H: |
0 E) M4 X' C7 g7 g' n- static int readparam(unsigned char *mac, unsigned char *stbid)
o/ f, O# m; l5 r a - {* |# X# g0 R) N0 ]* \) l! i
- int fd, ret;
- R0 R2 S( V6 x- r - e2prom_s_cmd arg;
! L D3 C. w. u, a+ ]% e5 \9 q - unsigned char buf[0x18];1 G1 V6 m4 F; S( B6 f
- * R/ R3 u5 V' D0 @, ?1 m
- fd = open(E2PROM_DEVICE, O_RDWR);
B' x: d8 @# Q; \4 v - if (fd < 0) {, Q# ?. a2 n9 _2 J
- printf("Device %s open error.\n", E2PROM_DEVICE);9 _1 B) z) [2 I" W/ X
- return -1;0 H: J1 c( J' U- `4 u
- }
7 [/ i: E! h/ g7 g - arg.sub_addr_count = 2;- A; _7 I+ P1 q% g R. A
- arg.data_count = 0x18;2 ~0 q- }$ r8 M4 L
- arg.e2prom_cmd_sub_addr = 0x290;4 ^1 ?6 a( v/ F- v6 n
- arg.e2prom_cmd_data = buf;
! Q- i/ r: b8 O$ j" z" B - ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 l5 {( I0 R5 g* t& o( h3 ^; u" |& |
- if (ret != 0) {
. ^) E2 I4 f/ e0 g# O/ D - printf("Device %s read error.\n", E2PROM_DEVICE);
% O$ K+ H9 u3 z- e5 M) ` - return -1;
8 K) L& q) F) {; b0 ` - }
% N6 i( {3 ] q W - memcpy(mac, buf, 6);+ Y3 [& @! f+ F7 D
- memcpy(stbid, &buf[6], 18);1 }3 j! S/ _ @3 b( i- t
- stbid[18] = '\0';, O- C6 H5 Z: b! V$ {' G7 J
/ X. i' I" h( b; T' I- return 0;) N* `) y u7 Q& E8 a, m9 U3 W. \% f
- }3 E* {& F; d+ a7 o
' o$ E+ ^4 x9 v& G* k5 }6 z- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 d( |4 n1 {" s% O - {
, A' _1 v; S0 o - int fd, ret;
( Q5 Q) o6 j& Y$ c - e2prom_s_cmd arg;
2 u0 {' S$ e. U' F& c% {8 } - unsigned char buf[0x18];7 d% h( Q" q! n# n7 I5 [
- - e* y1 V5 P5 y7 \* |$ M
- memcpy(buf, mac, 6);
! \3 Y! S) p3 @( y0 Q; i - memcpy(&buf[6], stbid, 18);
% E N" X0 N( U- a" l - fd = open(E2PROM_DEVICE, O_RDWR);
0 I, W2 r' B$ v5 H - if (fd < 0) {
! q5 |2 [$ a$ H - printf("Device %s open error.\n", E2PROM_DEVICE);
8 z$ w# S; e. n% X - return -1;
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- arg.sub_addr_count = 2;, ^5 M4 z( v0 j7 T' G
- arg.data_count = 0x18;0 h: E# Z5 b; o. h! {
- arg.e2prom_cmd_sub_addr = 0x290;( b# G9 B3 M& k0 y
- arg.e2prom_cmd_data = buf;7 W. d9 k, v% a
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
7 ?" \& x1 ^; K4 y+ ~% _8 w - if (ret != 0) {
* c1 Q( x, ?" V8 @7 S - printf("Device %s write error.\n", E2PROM_DEVICE);) } B/ j9 M7 A. y7 h
- return -1;
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- " b2 a1 l" J" u9 V
- return 0;
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- 2 R! x: _# a& M) v+ K# y1 s
- int main(), I' J9 M* A! ?0 j$ a# B+ m
- {
& P' o4 K0 C$ Z - char c;
! y6 W( ?# z+ n" t: Z& W - int i, macs[6];+ q& b A; S; m' E" J: W
- unsigned char mac[6];
8 s* s, {% l* C4 Q. s5 Q - unsigned char stbid[256];
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4 J9 j' w ~8 H' _# n: D- if (readparam(mac, stbid) < 0)
* P$ B5 {: N( _5 l. Z, C( m1 Z - return 1;
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( @; _7 O5 ^) a) |! I0 j; G- printf("Current parameters: \n");
4 b/ R4 S8 O$ w8 a2 P# e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! \4 X. K5 S% E2 C# j - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 U. u$ V5 J; u- W f( a% \1 g- [
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 B+ l2 _" I8 R$ N. s1 P3 G - printf("Input MAC error\n");
, X7 ~! \8 I: g2 z# U& r0 W - return 1;
- g$ Y- q% L) G& C3 y# p7 K# b - }
& f) u; i& U5 V" J4 c4 C - for (i=0; i<6; i++)mac[i] = macs[i];' O. G, m# z* |2 l5 S5 [2 n
- printf("\nPlease input new STBID: ");
; T. m# b/ t _* b - scanf("%s", stbid);
6 C1 v# S0 w. Y - if (strlen(stbid) != 18) {; Q" t; v9 A9 f" z
- printf("Invalid stbid\n");
- W$ D: W' X" X$ j% @* P4 F% Q - return 1;
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- printf("\nNew parameters: \n");
% @9 t) n: z% D - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 p3 ?5 }: j0 s% Q# `$ `/ ` - printf(" STBID: %s\n", stbid);
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, Z: U& c" P" P7 m/ Z7 ]: S5 D# N- printf("\nDo you want to change paramemters? (y/N) ");* G' m" ^6 a* C2 y1 O/ F( `
- for (;;) {$ Z0 K! o0 h, b8 F' j! ?
- c = getchar();
: w! E' p9 Y4 I( ]0 ^ - if (c == 'y' || c == 'Y')
2 J0 e! v+ F! _: N7 N0 x6 u - break;
7 }( E4 ^/ N/ `9 C+ T/ d/ @" X# t2 @ - if (c == 'n' || c == 'N') {* A! `! ]% f( o; B0 V
- printf("\nAborted.\n");- Q1 q, z* Z8 L+ L( l
- return 1;) r: I& c" q! P, U( H" P% f
- }
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- if (writeparam(mac, stbid) == 0) 9 h# ]7 w( o; x) a: i" L& w
- printf("Parameters changed.\n");
2 A, N6 v# ]% r$ r9 j. W7 {
& k) p% c! R6 ?( i" v5 G$ J; x1 q' g- return 0;
% d% q1 h5 B4 H - }
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