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。, |9 [# `4 r( O h( ^0 a; ^
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>1 P! M, f: c9 _3 v9 b% o
- #include <malloc.h>3 [% B$ }) @5 i! B. [& I) L0 [
- #include <sys/types.h>1 b3 Z) o3 w3 J6 ?& @
- #include <sys/stat.h>; `" t; I+ \" }4 @
- #include <sys/ioctl.h>4 Y# Y% w1 i% [9 `
- #include <stdio.h>) d3 P% a0 \9 Q
- #include <string.h>- r' N0 C& t d, l. Z) T6 O
- 6 G2 d0 N# y `1 `
- typedef struct {0 A7 P! G q6 ^" j) v9 |2 I
- unsigned int e2prom_cmd_sub_addr;7 |. g8 {$ B/ M2 A
- unsigned int sub_addr_count;1 i( o+ u- d0 v7 {% `" g) E
- unsigned char* e2prom_cmd_data;
$ r9 @6 \8 c8 [ F/ W1 L" w+ F - unsigned int data_count;6 T# X& ~4 @# A; U0 [
- } e2prom_s_cmd;6 J- J A) S8 W6 V# h: u& V
c( j/ o; m3 |; @, e' [3 l- #define E2PROM_CMD_READ 1' a, b) m+ B2 b/ v! y) w+ a6 y
- #define E2PROM_CMD_WRITE 2
' M# F# w" k$ @+ }: z - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", N3 ^6 y. v/ h7 ^* p8 Q
) \8 r( F+ p' `1 L4 T5 D5 I- static int readparam(unsigned char *mac, unsigned char *stbid)) T# f% f' K2 \+ M
- {
h3 E# m2 v% C9 c1 C+ V - int fd, ret;$ P$ a+ m, Z+ B9 p; a
- e2prom_s_cmd arg;- J- _$ j5 h% W; [3 {
- unsigned char buf[0x18];7 S: t! c! o/ \6 G
- ( V i, j. Q$ V
- fd = open(E2PROM_DEVICE, O_RDWR);
* f x8 k: l6 J - if (fd < 0) {- G0 e; @; @6 G
- printf("Device %s open error.\n", E2PROM_DEVICE);6 x& w1 @+ q; i& ^6 [* \' V$ x4 @
- return -1;. f D. B1 k: ?$ E$ a7 a* T% T
- }
5 A" e6 R% Z" j# S' L$ p - arg.sub_addr_count = 2;2 Q% }- R) P9 _- L: w
- arg.data_count = 0x18;
: m( j. K3 c* h8 b5 y' L0 H - arg.e2prom_cmd_sub_addr = 0x290;) j, |% z9 ]6 o% h4 N+ F6 ~
- arg.e2prom_cmd_data = buf;' A( @6 j+ S, X6 \
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 Q+ t$ a$ l. e1 x, C: r' e Z" Y - if (ret != 0) {
0 d, c% g: H( J5 R, ]( V" j9 y/ m \ - printf("Device %s read error.\n", E2PROM_DEVICE);
0 t* k3 X' T, |9 I2 z: a - return -1;
' C) D8 @5 }* Q7 Z" T4 K - }
( m1 L9 Q! k7 P2 c2 C. u - memcpy(mac, buf, 6);) L0 n. `4 {7 ?# Z8 q, }
- memcpy(stbid, &buf[6], 18);/ l8 l; j& }: U9 c4 Z5 r
- stbid[18] = '\0';
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- return 0;3 g( w5 a$ @( @
- }
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3 u5 K4 f, X2 w7 G$ I- static int writeparam(unsigned char *mac, unsigned char *stbid)
* _8 y" r2 g4 m - {" }7 l" i% j$ ^: u0 l1 X/ a
- int fd, ret;
) G" [7 O& l) H# ] - e2prom_s_cmd arg;
% M- E+ U% _; a: C9 y& t+ b" |( { - unsigned char buf[0x18];8 t- a. R. b+ ~# X
- - t$ p& j# ]7 H$ n+ O! V
- memcpy(buf, mac, 6);% X9 f) j4 F- A; o$ `* M9 k2 u
- memcpy(&buf[6], stbid, 18);
: ^# F* p" j% f/ p- R( ^% [9 p' L C - fd = open(E2PROM_DEVICE, O_RDWR);
, i1 G/ c# x" X: K, | |- q! N - if (fd < 0) {
2 a2 U& N* ]5 G - printf("Device %s open error.\n", E2PROM_DEVICE);
; [3 @; U' q9 f# p* R6 J' g* F6 l - return -1;* C/ Z$ V' i' K1 a
- }$ e$ f6 ?# I4 z; h
- arg.sub_addr_count = 2;2 H+ F4 q A$ ~5 d" t+ s. T+ U2 g
- arg.data_count = 0x18;5 v2 M4 p7 t: `$ s1 e0 `! q8 |# U
- arg.e2prom_cmd_sub_addr = 0x290;; C) k2 ?" B2 M7 W9 J1 J o
- arg.e2prom_cmd_data = buf;! D8 j) A7 g- n& x
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 \( }3 {/ C4 ]& `) T' r7 d
- if (ret != 0) {
9 X1 v0 L& I9 \0 n - printf("Device %s write error.\n", E2PROM_DEVICE);
F* ^, o$ Z9 }/ k( I* R7 ] - return -1;
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7 r: u; y! Y9 e) t* W6 o- return 0;
% O6 o* b0 m/ `: F - }
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- int main()
: \: v6 }( G" m - {
1 n+ T1 \" F" u9 g: d - char c;
3 K. \- f+ ` U! B9 N: K& i; K- j - int i, macs[6];
+ x) A/ F2 p6 f7 E - unsigned char mac[6];* P4 q, a+ D: g% a& v
- unsigned char stbid[256];6 o% o0 j( y5 S8 R
* X- I/ z9 u3 q- if (readparam(mac, stbid) < 0)# E! V; \* D9 Z' r
- return 1;
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- M8 q. w6 D# j7 q5 M- printf("Current parameters: \n");
: f) N, H* P/ R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 ~/ Q* m, M) l2 t4 Q" [' z
- printf(" STBID: %s\n", stbid);0 g; }" q4 X/ ?8 N7 L t* j
- ) y0 z4 _! \7 t9 t# Y/ \" {
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
; b1 X7 }* \" |5 k - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
2 {* S [3 r. ^4 o3 H. c( V - printf("Input MAC error\n");
# m+ F0 M& t) z1 A+ o8 J1 O - return 1;& H+ O7 }- g% p, C8 S5 g7 W
- }
2 F8 V% F" S1 Z, h% Z* t, o& I - for (i=0; i<6; i++)mac[i] = macs[i];7 R S, l7 M& k0 t
- printf("\nPlease input new STBID: "); M( `4 j0 Z4 l- o8 `' r: T
- scanf("%s", stbid);; Y/ z" `# M8 i" P( S. ?
- if (strlen(stbid) != 18) {6 t3 Y9 b" s/ D* W6 {( _" d0 U
- printf("Invalid stbid\n");
. o) w) i4 }7 \ - return 1;5 @. z- u& S4 H: l
- }- k# k: `* t d& n
- printf("\nNew parameters: \n");
/ `3 d4 M# o1 R/ `# N - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# ]1 b" L# q0 w/ E# i# @6 b
- printf(" STBID: %s\n", stbid);, i7 p/ O7 u- _/ X! `: F, v$ ~+ h
- . e3 Z/ P0 N. e( j
- printf("\nDo you want to change paramemters? (y/N) ");' t5 B7 C) Z- a5 ~5 u5 J+ j
- for (;;) {
+ A" b/ c% g6 c4 A# |+ O - c = getchar();, m' d6 P8 } R( d9 K6 K5 G3 }2 j! U- H
- if (c == 'y' || c == 'Y')* n, T5 T* [' U0 H4 K
- break;( i. R* `0 y: K( H |
- if (c == 'n' || c == 'N') {
2 S9 ?6 m2 S! c$ | - printf("\nAborted.\n");; l3 z: n5 a: Y7 u* k
- return 1;
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- }& m) _( D9 p8 \* a6 V
- if (writeparam(mac, stbid) == 0) 8 j6 b! u2 H# C7 X ]% @$ R Z+ M
- printf("Parameters changed.\n");
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- return 0;
7 l8 g5 ?& x( s - }
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