本帖最后由 0522 于 2012-3-21 23:04 编辑 * i" }: p) ]# E; W1 B" Y9 S
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修改的代码早有了。到今天不会编译。
7 e) J1 s" Z; W+ o9 v需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
& V% @& n4 V# M - #include <malloc.h>
- e! k9 \- X/ c5 ^. H1 \ A - #include <sys/types.h>
8 B* r1 H/ J7 d5 g+ s" Y0 t - #include <sys/stat.h>
4 ?( K' C! N R/ {" I6 @0 G! m+ y - #include <sys/ioctl.h>
% ] E# x5 p M( y! N. T7 ? - #include <stdio.h>
8 J# w1 f0 M% @' H2 g - #include <string.h>
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- typedef struct {* `6 S, [) J, l9 h) M' y
- unsigned int e2prom_cmd_sub_addr;& l; w$ K0 c1 v
- unsigned int sub_addr_count;6 |# @6 C1 P& A! d
- unsigned char* e2prom_cmd_data;# N" s/ j! V* F; _
- unsigned int data_count;0 ~! E0 `) L8 p! {9 u9 V4 [
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
" _( q. m- U; A - #define E2PROM_CMD_WRITE 2
/ q5 l- p8 {1 h* ^ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
8 M2 {. O# j# K+ o$ g4 @ - {
9 Z- j% Z- P. C+ V - int fd, ret;4 @' b0 R) x$ [3 d1 E* o
- e2prom_s_cmd arg;- A9 N! [$ q* R: i I6 n
- unsigned char buf[0x18];
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w- X8 ?. ^8 L" y1 m5 w$ g- fd = open(E2PROM_DEVICE, O_RDWR);' E8 v* w8 O' `6 W
- if (fd < 0) {
% s+ e" l! h2 j0 C: z0 F9 ^3 q - printf("Device %s open error.\n", E2PROM_DEVICE);/ P7 S! m* j" ~/ Z- Q
- return -1;! E2 Y9 ~- o; w1 x o8 M/ V
- }: M6 |1 [8 R* E! X4 S" @
- arg.sub_addr_count = 2;4 o; z& A, v! q' S
- arg.data_count = 0x18;
# O1 S4 J8 Q7 ` |- S) D - arg.e2prom_cmd_sub_addr = 0x290;
8 W* p9 e. G( |! t; i( i$ z: ~. l - arg.e2prom_cmd_data = buf;
* T: p$ E* S; k g - ret = ioctl(fd, E2PROM_CMD_READ, &arg); d6 q2 P/ ^. l( {+ z9 o
- if (ret != 0) {
$ N6 w8 d1 M( r5 I - printf("Device %s read error.\n", E2PROM_DEVICE);
. P W. R+ i' U1 r% w5 G" @/ D - return -1;
/ f7 S" X3 S: \ - }
* J8 [3 w! y$ o/ y8 I$ s `9 l" u8 O - memcpy(mac, buf, 6);
9 ~% o& p) Z- @( ~* k - memcpy(stbid, &buf[6], 18);: n+ o& e% ^. }
- stbid[18] = '\0';
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- return 0;. M( k5 x7 q4 E5 ?8 k8 q
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/ g0 h) V2 T; F1 e5 o: q- static int writeparam(unsigned char *mac, unsigned char *stbid)" [0 n$ H) x. K; P
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- int fd, ret;3 F' [" n9 a5 P2 _8 ^
- e2prom_s_cmd arg;5 f v- v1 e5 x, G( J
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
7 l4 X; n, S5 f6 u5 b2 ~- u - memcpy(&buf[6], stbid, 18);5 ^) X8 g& [& L- x
- fd = open(E2PROM_DEVICE, O_RDWR);2 q5 W) M( N) w0 A% N
- if (fd < 0) {5 M2 _6 y$ P8 M; d H
- printf("Device %s open error.\n", E2PROM_DEVICE);
8 Q. z9 |4 M$ C8 n4 ? - return -1;
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- arg.sub_addr_count = 2;% K" }) i& U* u
- arg.data_count = 0x18;8 C6 ]* C% L: i% X5 d
- arg.e2prom_cmd_sub_addr = 0x290;
; Q1 K. x5 s" E" I; p8 | - arg.e2prom_cmd_data = buf;
I5 T' b% h6 Z* a - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 l& v7 Q6 R4 N1 }. z* @; Q
- if (ret != 0) {
% } h/ Q b1 B& @ [ - printf("Device %s write error.\n", E2PROM_DEVICE);
! r: l+ f; |0 T - return -1;
: f* t: g- ~8 |( W - }
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- return 0;! Z( o/ `+ l1 d" J ]& \6 G
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# s* h. |; I3 _& M9 U& \- int main()( ^' u3 z4 T: ^$ h/ _/ v$ k
- {" j3 X7 a# I5 W9 J7 \4 |
- char c;
) q6 G! A6 J+ ` - int i, macs[6];. y8 {7 q; `+ n7 f
- unsigned char mac[6];0 l5 I: r* f9 ~& B$ \, R7 ?& t
- unsigned char stbid[256];1 j8 B5 Y0 W: h) N; J% j
) K+ l$ R1 R+ s1 K7 h- if (readparam(mac, stbid) < 0)% ]. s. x! S- D
- return 1;
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- printf("Current parameters: \n");1 g% F5 d( S+ p6 G' Z# f U# k* K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) ]" g7 S7 z4 S/ j+ Z9 ]- D( d - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, u$ g* B6 D: Z# Y - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {* a y, s* F$ i3 s4 i8 H0 w
- printf("Input MAC error\n");
/ ~$ ~8 n/ B7 R# O7 N2 f - return 1;
* m- D7 v9 a8 p. @. y% }- j - }
0 m+ Z. {1 c; s4 P3 D" C - for (i=0; i<6; i++)mac[i] = macs[i];( j: J/ p* m. t2 z" p
- printf("\nPlease input new STBID: ");
# w4 ~- k1 v% J* q8 I - scanf("%s", stbid);
5 f+ m/ _6 n" a0 n) p - if (strlen(stbid) != 18) {$ I# V' g1 m* [" B: z- E' I
- printf("Invalid stbid\n");
# V% |- r: {8 S5 e/ u" ? - return 1;3 w7 `. j/ \, N4 q$ }- v" u7 O
- }
; x2 e& I$ D9 v; f - printf("\nNew parameters: \n");
: F* W* v( m/ [% Y# @ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. _" p' {) ]9 \, Z - printf(" STBID: %s\n", stbid);
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# z# @7 @8 k6 S* G( ~- printf("\nDo you want to change paramemters? (y/N) ");+ V& n. i+ H/ [$ r& i
- for (;;) {" R) B. G3 w5 W e# `
- c = getchar();
: Z9 Y; l6 n, F2 @ - if (c == 'y' || c == 'Y')5 P. S9 d5 u3 P# D0 {
- break;
- }" j( E6 ^1 F5 t& l) r+ U - if (c == 'n' || c == 'N') {
8 A% J5 i- k" B) i - printf("\nAborted.\n");! o) x" y4 g2 f! P' s
- return 1;
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- if (writeparam(mac, stbid) == 0)
( L& ?9 l* @2 [: M& H - printf("Parameters changed.\n");+ g8 p* W6 L: Y
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- return 0;
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