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。, B7 K; I4 E' [2 [8 n* q9 H
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 D% R" e1 I1 W) l( @" U
- #include <malloc.h>6 z. j7 ?& G8 _' R) P2 _) z
- #include <sys/types.h>
# C; j, {- [1 @ - #include <sys/stat.h>( K( s6 X( O' I
- #include <sys/ioctl.h>' E: e k* s. i7 Z# F W
- #include <stdio.h>* `" c _+ z' e
- #include <string.h>8 u8 y/ i) g5 Z7 s, p% a. R& j
- $ ^" ^. O2 [/ t* P: A! m
- typedef struct {' E% m. U# V& }- ?1 A u
- unsigned int e2prom_cmd_sub_addr;
3 {* [# ~; Y A3 W- e - unsigned int sub_addr_count;
; c8 ^4 W" q) _8 e* z - unsigned char* e2prom_cmd_data;
2 P; v% v2 [ j7 T) V - unsigned int data_count;
, J& ~2 a- w8 y1 |' O- O/ A3 a% Q - } e2prom_s_cmd;6 r; H$ C- @: {4 [$ C1 j
5 Q' }$ {5 X t% C- #define E2PROM_CMD_READ 14 b2 u+ [! j" e C o
- #define E2PROM_CMD_WRITE 2
+ n7 t z' t5 F/ n$ H - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16". i4 B) u; T5 ]1 V& S
- / A) T$ P" L5 u/ H! f8 l. T
- static int readparam(unsigned char *mac, unsigned char *stbid)
1 S9 e. ^) q z$ s; @- |: s7 p - {
4 V2 F& j- Y$ p! N+ r - int fd, ret;5 G: {! ? {- f, Z7 T
- e2prom_s_cmd arg;
: i: o, O7 b- c! h: a - unsigned char buf[0x18];# d+ X9 Y& x; [6 F r
- * I N, k% f5 \1 z9 g" R2 Q' y
- fd = open(E2PROM_DEVICE, O_RDWR);7 h b5 h) T4 @8 ~1 z& j Z
- if (fd < 0) {4 [5 w9 Z8 H c0 c% C2 e6 R
- printf("Device %s open error.\n", E2PROM_DEVICE);! w' Z3 s) D7 n, T. M; I6 r
- return -1;' _7 V4 F) B7 {/ \" t
- }$ T- l& f+ K& c) i* p8 ~& B& y
- arg.sub_addr_count = 2;. c" V1 Q5 D' ^
- arg.data_count = 0x18;
' _4 J: U3 E5 w - arg.e2prom_cmd_sub_addr = 0x290;
_" o0 f5 s' x - arg.e2prom_cmd_data = buf;5 h% G v* R1 ~6 v/ c# O
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ r' G5 k9 `8 K" ~ - if (ret != 0) {
& \6 L+ T& h$ }) D - printf("Device %s read error.\n", E2PROM_DEVICE);
2 C2 h2 h0 r% {7 k" U+ Y( W I( L - return -1;$ @/ z2 }/ o( d
- }/ U( j q% r+ ?; o6 c) z: k5 P- d2 Q
- memcpy(mac, buf, 6);6 s/ B& I% v) p2 \$ B4 @
- memcpy(stbid, &buf[6], 18);
+ \, o' U) f* c+ C: @( A& C - stbid[18] = '\0';
- @; q' a* r# @& E8 Z
9 ?! T4 W h* g2 _$ W. q- return 0;" ~% u& R6 c' h0 B6 [8 x
- }
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$ T% e2 m% S6 Z9 w% M& q$ |2 I- static int writeparam(unsigned char *mac, unsigned char *stbid), t% N* s% \0 H& \: x7 x
- {
; b8 l! Z# @7 _; \) V0 ? - int fd, ret;
" e4 `5 O; \ s1 T. Y' i - e2prom_s_cmd arg;# P7 j: b1 {6 c
- unsigned char buf[0x18];) p$ D) M' u+ m% t) x
- - ~0 p! G& |. U) ]; V! ]
- memcpy(buf, mac, 6);
) ^. f/ g; \8 m4 g - memcpy(&buf[6], stbid, 18);
' _. t) k+ C1 c1 x; ~* ` - fd = open(E2PROM_DEVICE, O_RDWR);
5 M7 G' w( @/ @- r- s5 @5 k - if (fd < 0) {
7 s8 j0 P6 K: Y% D' L, \7 n - printf("Device %s open error.\n", E2PROM_DEVICE);
5 N: H, b: J% I3 W - return -1;; m, a+ p1 Z6 R% J/ {4 @
- }5 C! G; s9 w7 h7 B2 R
- arg.sub_addr_count = 2;# L' H% x7 U. L6 j% A2 Z
- arg.data_count = 0x18;
( m4 p4 u" x1 C6 y& A - arg.e2prom_cmd_sub_addr = 0x290;, m# W5 n& F9 E9 ]+ b
- arg.e2prom_cmd_data = buf;
) B$ E$ l5 g) x& R% r1 M - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( B6 f# q0 J2 L7 D, @9 p7 G1 U) s* w - if (ret != 0) {
: f% R! i5 H$ t3 C( m4 d8 |6 j/ h - printf("Device %s write error.\n", E2PROM_DEVICE);, ? ?# P8 m; \+ |9 T
- return -1;
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* o- a2 `$ X3 _, I B
3 E+ H% |* `( {! }. `/ [0 x% g% J- return 0; C" _" N5 _* P& n% c2 P
- }, w* e* h2 N5 o& y% r
- N2 a2 j Z; y0 B- k
- int main()) o0 w$ A! j9 D7 U* B0 A
- {
9 w4 I- I; L2 A - char c;
! y# S- v3 f/ N5 H+ O, k* h+ g/ ? - int i, macs[6];4 Z( A# C; p4 Z& @9 w+ ^, q
- unsigned char mac[6];* J' x, A. k/ A- y- H1 `
- unsigned char stbid[256];7 B- `. p3 \( \0 R i' ~
2 b. r: x6 k9 ]% k& b2 i1 Z8 I- if (readparam(mac, stbid) < 0)0 Q0 k& Z9 H& U5 Z1 U& `
- return 1;, u3 u4 V. o- x2 e3 J
: h8 b0 J5 u4 {! V3 }7 X8 f, M- printf("Current parameters: \n");
+ S5 f; P" _3 x- X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 b! `" T7 `4 L" C; H
- printf(" STBID: %s\n", stbid);$ u; c" [0 Z5 S: l7 g
-
3 ~+ ~1 ]1 \* X( f. p - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ k D& s1 Q1 u. V3 V1 b - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 w0 i' B# C9 w! c0 Z - printf("Input MAC error\n");* m" N! R7 S8 m
- return 1;! d& V5 S( Y, l9 G5 W; H
- } |1 a1 X) q. o& J" p1 P
- for (i=0; i<6; i++)mac[i] = macs[i];
8 I) l0 F; Z$ E# F7 L. o - printf("\nPlease input new STBID: ");
: s8 B) J) o. K+ D - scanf("%s", stbid);3 d3 s! @ d* ?- X! f! f
- if (strlen(stbid) != 18) {
) k/ a: v7 X/ H) m* G- t* ? V! O( c% G - printf("Invalid stbid\n");$ J. D% u% T' q: n
- return 1;
3 [# r, j- p8 a' T3 D! D - }
8 N" C2 O2 N- ^9 N8 p - printf("\nNew parameters: \n");6 A2 T! F2 o* B" ]3 t/ Z5 G
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 U5 M% v1 k0 H3 q6 v; f- l - printf(" STBID: %s\n", stbid);
- ?& c) X9 M0 v( D! ^8 K' ^" E - 5 z# {* L. E# Z, _+ J+ |3 I: O
- printf("\nDo you want to change paramemters? (y/N) ");3 p- |+ D: v& m/ o
- for (;;) {
5 y4 b2 Z9 X( I3 M+ g( p - c = getchar();
* d6 V* h- Q! T* T8 O, @) ^# h - if (c == 'y' || c == 'Y')+ h/ }3 R) S+ h, j# H
- break;) H/ ~+ L6 T2 v1 G9 P0 w4 }
- if (c == 'n' || c == 'N') {
7 h( _ Q M0 e" j) k' o5 r - printf("\nAborted.\n");( ~+ l, u5 A& d( F* `2 H8 K& k
- return 1;
; k; h" y# P5 d* I: `" j - }
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- if (writeparam(mac, stbid) == 0)
+ x- l q+ d/ D - printf("Parameters changed.\n");
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4 }/ @2 I+ t0 s+ G8 A- return 0;2 `/ Q8 Z }( U7 b
- }
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