本帖最后由 0522 于 2012-3-21 23:04 编辑 0 k/ |# {' c/ x0 f4 Y! m
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修改的代码早有了。到今天不会编译。& Q1 g( _4 t4 e3 [, Z
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) i9 Z& q' N1 y# O- N& u
- #include <malloc.h>
% \6 B) ]* @, ]& a - #include <sys/types.h>8 N9 o$ u* t+ A8 }, ~( P( q% ?
- #include <sys/stat.h>( y/ C) D8 {/ ~8 ]4 N
- #include <sys/ioctl.h>
* k/ t g2 l/ x2 o - #include <stdio.h>+ L( ]/ l. V4 R8 s
- #include <string.h> \2 ? {- j; N: v1 G
( w! U2 o( g# i- Y, A6 r- typedef struct {2 _9 F' o& s2 ^$ w) F
- unsigned int e2prom_cmd_sub_addr;" l1 K/ T. U4 ^5 R$ E, O! A5 X
- unsigned int sub_addr_count;; V- _! `/ d! D' T2 ]
- unsigned char* e2prom_cmd_data;
* \4 [- @0 u# _ - unsigned int data_count;
! x+ r5 t4 ], C t: `, p - } e2prom_s_cmd;; E' Y' I# _5 H f# Y9 F
- * i( R b$ K0 n6 u
- #define E2PROM_CMD_READ 1
, P8 a. r! K. o' g" d& V. ?5 q1 M - #define E2PROM_CMD_WRITE 2
, ]8 b/ \2 @6 E3 n) P4 T3 | - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 O/ R2 W& z5 y4 z; R. E
- 5 G% B- Q6 L* m
- static int readparam(unsigned char *mac, unsigned char *stbid)
( D4 h B4 i, N - {% {& Z1 b- b* I8 f% O" e
- int fd, ret;1 I" d' N a0 l4 _! E( v" K
- e2prom_s_cmd arg;+ T; ]6 k" T% m/ f n+ l8 O* t+ h
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);' D) d/ S- C% V" p0 T- `
- if (fd < 0) {2 B1 b% p) b/ s( e! S3 M
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 s+ w2 n+ O! C% W( t - return -1;4 z7 l+ T4 t% X- N. t. m o
- }
8 O) R3 F! x: G i' @ - arg.sub_addr_count = 2;$ z: x- b& ]3 Y2 \. R
- arg.data_count = 0x18;) `+ k# l% r" M0 d" Q1 ? N0 R" P
- arg.e2prom_cmd_sub_addr = 0x290;
$ F. d- f# d/ z8 g- H5 \ - arg.e2prom_cmd_data = buf;4 u: z1 v, Q6 d+ a
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- X% q$ H; P& g$ }# D( t1 E+ P - if (ret != 0) {2 K: d8 Z" ~1 ?! ^4 j- Z0 R
- printf("Device %s read error.\n", E2PROM_DEVICE);
7 f; F" F2 z% {5 P2 T, [ - return -1;
1 x) V) N. w; K - }
2 E3 A, A' Z5 e8 d+ o8 F - memcpy(mac, buf, 6);
: H8 ]& L1 c- o - memcpy(stbid, &buf[6], 18);0 t0 w, q) j6 A4 Y
- stbid[18] = '\0';
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$ o3 c2 p8 P! g6 d$ d. V- return 0;! K6 I( W$ y; d2 n3 @2 G' e3 Z
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
$ U6 j: O3 W3 _8 f - e2prom_s_cmd arg;
% G, o" J5 V$ z0 r3 v: O - unsigned char buf[0x18];, F( z6 Q0 B. |/ U$ K- O. e
% g! U7 L7 N) r. h, \5 Y$ n- memcpy(buf, mac, 6);2 ]! z% d Q* Y9 P9 d0 I
- memcpy(&buf[6], stbid, 18);
( j/ L) V$ W7 B2 G0 k6 }5 [; R - fd = open(E2PROM_DEVICE, O_RDWR);$ m3 w, N& n" x$ r+ r# L/ U
- if (fd < 0) {
5 L& \& t! x1 {0 A1 l: O9 a - printf("Device %s open error.\n", E2PROM_DEVICE);( i, Q/ c0 ?9 Y) d7 _6 e
- return -1;
) a( Z' O4 K2 ~) P - }
. N: L. ?1 A% G3 X- n- O( o, \ - arg.sub_addr_count = 2;
' j( U0 [; T% o' m+ e6 x - arg.data_count = 0x18;
P3 n! Y9 J# _& }. n9 V - arg.e2prom_cmd_sub_addr = 0x290;8 v+ z: K4 ^7 h3 z0 T- ]
- arg.e2prom_cmd_data = buf;# D Q f$ K9 v- l
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
- i9 s! l/ N( Z7 m" m3 O& z - if (ret != 0) {' r( P9 \4 t- c2 w! m
- printf("Device %s write error.\n", E2PROM_DEVICE);0 D$ X; I8 X: T5 w% {
- return -1;
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; m3 Q. C, K0 y1 b' {- return 0;4 S- g# l8 t3 r+ V; @# K' N
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8 N( {/ W/ c: y! S, N- int main()& f% x" y7 h0 I/ A
- {
/ m$ h. T& [3 U: H! l+ Y - char c;2 ]( K2 e3 O' Z6 |; P
- int i, macs[6];5 J" Q! G: B) R" k1 S4 u8 |
- unsigned char mac[6];8 ^" M5 C) x; \& c$ ?1 k* G( X6 I
- unsigned char stbid[256];
4 c' [: {$ _3 y9 S - ( X. [) R* w. U& \ P7 x3 T* V" {
- if (readparam(mac, stbid) < 0), u/ g& ]# Y1 q7 I& F
- return 1;
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5 a$ a" ]- E$ I- printf("Current parameters: \n");
$ m2 U% a. N7 u0 H9 `) U5 W0 b8 s - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) H* J5 A3 i% D! s6 B8 W `0 r$ L( ]4 u
- printf(" STBID: %s\n", stbid);
: D0 B- h; q( j! x6 N2 { -
5 Q7 Q0 F" S* \+ f8 o L - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");1 @) ^0 n9 i4 b6 m' M O7 Q8 \- K
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {/ ?# V# Q% z) U8 |1 j6 }
- printf("Input MAC error\n");
. V; s6 T8 a2 m" F! c+ f - return 1;
$ g8 E' c ^) \' i - }
6 j6 Q V# }+ y7 T5 T: Z - for (i=0; i<6; i++)mac[i] = macs[i];
( e0 y0 N" Q, ]* P* V/ z5 t1 K - printf("\nPlease input new STBID: ");
+ ^# k" V' Z [ - scanf("%s", stbid);5 e }" @) R% v
- if (strlen(stbid) != 18) {
+ w; b- Z9 t0 {" ` - printf("Invalid stbid\n");9 v& L9 W. c3 z/ ^4 d2 i. C) e
- return 1;
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- printf("\nNew parameters: \n");9 B. M8 U U! E& \5 f) @ d( \
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" ^5 q$ j e& T0 F2 J
- printf(" STBID: %s\n", stbid);* g8 |+ T- P& r: y
- & p6 C6 l9 w& |) g# c
- printf("\nDo you want to change paramemters? (y/N) ");
, X* p0 s/ f; y6 U' _9 r - for (;;) {$ `$ A* N1 P0 u( j3 H: W
- c = getchar();
$ E2 ^- i0 z& w8 K6 ~ l - if (c == 'y' || c == 'Y')
! u' N' \5 t/ g9 N, M& q - break;, ?8 H4 P1 @# u& \) s# J( v. M
- if (c == 'n' || c == 'N') {
+ e' ~! }% t k - printf("\nAborted.\n");( h$ F7 A* D/ y9 a4 s
- return 1;# Q3 O% b+ {' d& N
- }
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- if (writeparam(mac, stbid) == 0) , R; E5 p6 S+ O- i9 A
- printf("Parameters changed.\n");
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- return 0;
; F1 j, I& ~3 z I8 } - }
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