本帖最后由 0522 于 2012-3-21 23:04 编辑 & _9 W0 V6 e: T. \8 r$ D/ {- G$ w4 c
% M# T# d9 E( w! _修改的代码早有了。到今天不会编译。
$ y4 g5 B. W- q! S% K# c需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" n3 w1 T2 ^6 L8 g. S* }2 I - #include <malloc.h>8 N! x5 e8 U5 u# ~3 {0 r: K, P
- #include <sys/types.h>
/ h) g4 Z! b0 S7 p. Y4 \ - #include <sys/stat.h>$ G7 f& _# A. r1 k5 O0 C
- #include <sys/ioctl.h>
: R, U( |" v" F0 G- z - #include <stdio.h>
7 b5 s. Y' g( a2 t2 K' M/ n. \$ V& R1 ` - #include <string.h>/ C& n5 Q; G7 l7 p5 H6 y
! O0 i) I) e3 x! W( P6 d2 P- typedef struct {
. Y& I# K; T* r, n - unsigned int e2prom_cmd_sub_addr;
+ g5 h, j, j6 t! O - unsigned int sub_addr_count;, ]2 y0 m+ o7 \7 t( [ D
- unsigned char* e2prom_cmd_data;
& r4 y) {3 }& E8 l - unsigned int data_count;
2 y+ V" @% G% b1 {! D - } e2prom_s_cmd;# W! d( `, z) g2 T* g
( v3 X$ h: [' ~6 }- #define E2PROM_CMD_READ 1
/ B% \2 ^; D; P2 p- O- E. ]* h+ ` - #define E2PROM_CMD_WRITE 28 u9 u$ Y5 {( p$ x3 B
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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: J/ H. r% e6 R# ^" f* r- static int readparam(unsigned char *mac, unsigned char *stbid)
3 e- A5 J# ~" E3 ]4 w& I - {
! L7 z1 N5 @" J& d" |0 R3 g - int fd, ret;" c& S" L* K) l& l2 n
- e2prom_s_cmd arg;
7 _: }' m! }6 Z1 K, V! q - unsigned char buf[0x18];( ]" X) }! R0 D2 T! n
6 C7 ?* N6 p" {. F' m+ {0 B- fd = open(E2PROM_DEVICE, O_RDWR);7 F' Z* A; f! _& q: ^# X7 W: s
- if (fd < 0) {
) | y! a$ ]* v6 L - printf("Device %s open error.\n", E2PROM_DEVICE);( K9 \ I9 F7 o) n/ B
- return -1;* K1 k3 ? G, B
- }
) ^* M. l7 r T, _8 | - arg.sub_addr_count = 2;2 X% O' q: J2 A- a7 d1 r
- arg.data_count = 0x18;
1 b0 `0 Q) m+ a% W, d! O: U - arg.e2prom_cmd_sub_addr = 0x290;$ b) ^- q) h+ T5 e' S2 i
- arg.e2prom_cmd_data = buf;1 G& _: a# r! l$ _+ T
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);( i9 R( ]3 F9 g# s! _( D9 ^
- if (ret != 0) {
: w7 d9 x3 D* k3 {" r: h - printf("Device %s read error.\n", E2PROM_DEVICE);
) `9 F; A; @- g u ` - return -1;' n. Q; l7 ? }; k* r; y
- }
( i% r2 _8 ]7 U8 ], `2 f0 _ - memcpy(mac, buf, 6);
* @% n' b2 m9 I+ s - memcpy(stbid, &buf[6], 18);8 |. m% ?8 _1 J# W: S
- stbid[18] = '\0';
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- return 0;
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- 2 j; u. ?, {+ j* r! V0 f
- static int writeparam(unsigned char *mac, unsigned char *stbid)$ B6 |, s& @' Z5 S& a" O
- {! t! m3 [+ {: N" k1 s% y
- int fd, ret;/ A$ B7 l7 _" e( E8 }6 E3 r
- e2prom_s_cmd arg; h" E) Z( `; u* u5 x7 C% [) J
- unsigned char buf[0x18];2 t/ x( D4 b$ \" _
! U5 q4 s3 Q4 U- ~' x6 E: [# s) d- memcpy(buf, mac, 6);
6 u9 l4 Q }# S2 ] - memcpy(&buf[6], stbid, 18);( h: x) c% u1 a0 j* P2 w$ L' O
- fd = open(E2PROM_DEVICE, O_RDWR);; f6 l g) N( X! @
- if (fd < 0) {
" q- M# e; l' q: ]/ d0 A% q - printf("Device %s open error.\n", E2PROM_DEVICE);" m' }0 ^2 I" J$ }/ G' V
- return -1;5 u+ k# M& D: x8 f0 h& b3 J- c
- }
# e; f- S* L- x2 J/ u1 q - arg.sub_addr_count = 2;
( |" h7 v' h1 R$ g - arg.data_count = 0x18;/ X. h% A0 @3 S1 L; M. f! F/ b; G. H
- arg.e2prom_cmd_sub_addr = 0x290;2 r9 {: P& n7 y* E8 b
- arg.e2prom_cmd_data = buf;* ~$ o, y' ]9 U- h0 {
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
r0 k R, s K& Q& {. O) v' g; } - if (ret != 0) {
3 e5 [: `) Z) m% v8 C - printf("Device %s write error.\n", E2PROM_DEVICE);! u3 A* t% A2 j8 W/ f& d
- return -1;
- W: [( B% P( C2 [+ _ - }9 d2 G' C* q1 `
- 8 R6 F2 T1 U/ R2 F6 ^
- return 0;6 b/ L- a$ {$ ?( x- c y
- }$ l, [) ~9 }% @' `+ b
1 J/ Q( T$ a. `. @! f% A$ N. G- int main()
8 D% l* F6 ?6 n8 }2 u: P2 [. A+ f - {
/ C) F; `6 h5 n0 I8 H0 o) g - char c;
6 y7 ]" B3 A9 S2 ~: W6 A5 e( D: ? - int i, macs[6];/ i* `# H0 a- |' ^) w0 R" v5 n7 {
- unsigned char mac[6];
$ }# C' _: l6 v- T - unsigned char stbid[256];& b+ Z' @4 I- @4 R
9 v% ^1 q! M: M! ^2 v+ \- if (readparam(mac, stbid) < 0)3 v% y4 w- Z: g7 n) x% |3 x
- return 1;
# v& b( Y9 t7 ~' `% k y! y6 N - : K1 j! \; z& f. F
- printf("Current parameters: \n");
# M+ }" E- D6 t1 p# j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( z( O! H, k% L9 E. S - printf(" STBID: %s\n", stbid);8 I2 `5 o& N; ~
- 5 i3 M( @3 w/ O
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");9 m: a! p6 X; ~( \3 e7 Y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; P) y% p& O- N) E" v, B. i
- printf("Input MAC error\n");
0 g' p i- ~/ r/ U1 ?% Q* z# r6 w - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];0 k* B; ~; E! L! T8 K- u2 ?
- printf("\nPlease input new STBID: ");
$ U4 f/ H( Q9 o, ] - scanf("%s", stbid);
9 p1 W" Y$ v! l) A6 o - if (strlen(stbid) != 18) {
% l9 }) g3 `# g" B0 s | - printf("Invalid stbid\n"); P4 l( \: H; }3 R0 E
- return 1;* O; ~( m- t& I3 \& a: J) ?2 Q8 {
- }
, b% ?8 i$ c d9 C; g4 P2 W: s0 j+ E; s - printf("\nNew parameters: \n");5 u7 B! p, n0 D# ]
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 I3 {6 n' g/ \
- printf(" STBID: %s\n", stbid);0 v R2 t& `+ R! P5 \
- - D( l/ R; H0 |) f- u" C
- printf("\nDo you want to change paramemters? (y/N) ");! ~- C; E1 K" W% a3 _" h) V
- for (;;) {
]0 Z2 W& `; u& A2 R6 ? - c = getchar();
X% T5 Z# I6 F+ N - if (c == 'y' || c == 'Y')8 `7 H4 [% r+ w: s
- break;
; j) o) X0 g0 Q& D A6 t: X" \ - if (c == 'n' || c == 'N') {- v& k+ h! t6 l8 H$ r( n+ @7 m3 N
- printf("\nAborted.\n");+ \6 j- A3 ?$ {+ d* N
- return 1;& v& G( P2 A) c9 B5 t2 S
- }( A) m7 t3 g/ d% I/ l. |) B
- }
! r' h$ a* E4 b# m/ W+ ` - if (writeparam(mac, stbid) == 0) 2 a# t* P, f/ L9 I; y
- printf("Parameters changed.\n");. u; v1 r* ~9 |6 s% s
- - a( s( s) f3 r( c, T
- return 0;; ^5 e# j$ Q+ x4 g D/ \
- }
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