本帖最后由 0522 于 2012-3-21 23:04 编辑 ) N7 ~7 Y9 R& @
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修改的代码早有了。到今天不会编译。
; r7 _3 S: q+ W1 o* I8 _9 x0 z; L需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
) V+ X, U& M+ m# ?0 ` - #include <malloc.h>
& v% u: w1 y @ - #include <sys/types.h>$ A# ?( {' f7 V( P; n
- #include <sys/stat.h>
2 F+ \/ G' y( k- }+ T5 y% Z3 t - #include <sys/ioctl.h>) f5 n, L( h6 `/ F- d1 T9 H+ ]" e
- #include <stdio.h>7 A& N# z; y- p, D
- #include <string.h>
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- typedef struct {0 |9 J* y# i3 H$ e V' W& u
- unsigned int e2prom_cmd_sub_addr; T3 I" L: D E- `# O$ g% q
- unsigned int sub_addr_count;
" A" c0 p7 u O( K: o. K4 } - unsigned char* e2prom_cmd_data;
N0 `8 N7 G3 a8 H; j' k t+ W - unsigned int data_count;9 W( D* o: Q5 U8 c- M0 |( u
- } e2prom_s_cmd;$ F* m& X1 n' ?9 t- X
- 8 h- Z u7 W( D6 _/ Q- ^
- #define E2PROM_CMD_READ 1$ X) D$ a! m5 Q x4 M. Q' V
- #define E2PROM_CMD_WRITE 2
5 \0 @/ v& F# a6 |' { - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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" I+ P( \- X6 W# U6 U- static int readparam(unsigned char *mac, unsigned char *stbid), N* P6 ]$ P5 c- B4 e) e% [
- {
; F% w4 Y) C& f0 } F3 j! _. L - int fd, ret;
' P# Y! `8 r0 a! D# r! e9 R - e2prom_s_cmd arg;% s+ N) F/ f+ n- A6 Q+ t
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);/ E' ]& c" H2 a& J1 }. ]
- if (fd < 0) {
2 H" T* ?9 p; p# ?/ Y/ y& v( X - printf("Device %s open error.\n", E2PROM_DEVICE);5 r& m5 E+ ~4 V" x
- return -1;/ d' ?3 @3 x$ `6 A% r. n' D
- }
8 ]$ v5 J+ t0 \! B - arg.sub_addr_count = 2;) L5 Y9 y' w3 |7 Y3 H
- arg.data_count = 0x18;3 y' T; i2 v; j9 z8 h* e+ O2 z
- arg.e2prom_cmd_sub_addr = 0x290;
5 ^! S, H8 B0 t& Z5 ?/ u - arg.e2prom_cmd_data = buf;6 q: ^3 ~. R) {7 F
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);. ?- A: T, i& w' y1 u( j+ w
- if (ret != 0) {* r* [+ {( c9 I" s
- printf("Device %s read error.\n", E2PROM_DEVICE);+ N+ Y$ c( A ^9 p4 f: D
- return -1;- c+ a3 e' K+ e& C- W. F o( s
- }
+ i- u- U, d& h. I n) N - memcpy(mac, buf, 6);
1 M; K/ i0 \1 t. d. M% ~* |3 k - memcpy(stbid, &buf[6], 18);
7 H7 Y# \ q2 c - stbid[18] = '\0';
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% X& w1 ]4 r1 `/ w B- return 0;
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6 n. S- {4 X2 `( I. Q1 W* X9 N- static int writeparam(unsigned char *mac, unsigned char *stbid)
2 ^/ H# t { S - {
' E! M' {3 ?. J! o g2 B - int fd, ret;6 q- R7 M# ?% {2 X( o4 r
- e2prom_s_cmd arg;: r3 q$ b; K- ?; o! u, L
- unsigned char buf[0x18];
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! G% D' V& ] _& K1 H- memcpy(buf, mac, 6);
' K. e: u6 {! e: ~ - memcpy(&buf[6], stbid, 18);6 H& E' j- a8 t3 ~9 Z8 B; @- `
- fd = open(E2PROM_DEVICE, O_RDWR);( b# D3 j# x# r' \. {: a/ l
- if (fd < 0) {
* s4 ~" J( U2 @8 U; v5 `4 k1 q - printf("Device %s open error.\n", E2PROM_DEVICE);
% f8 F, ?% K- ]$ A+ I0 u4 j. E6 j - return -1;/ @' e) S- E9 R0 {1 i, w6 b
- }
1 v C8 u. D; ]4 {4 @7 L3 P - arg.sub_addr_count = 2;
/ F& g/ i: l8 o: }" e! d - arg.data_count = 0x18;
4 ~- \8 ^6 x: R ?) k \ - arg.e2prom_cmd_sub_addr = 0x290;: {9 [" Y8 Z# L# A S9 Q
- arg.e2prom_cmd_data = buf;
! c. v$ K' G8 F3 G8 \ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);5 D' Y+ y" K7 X" B8 M' e! t
- if (ret != 0) {
$ ~/ G2 H% ~0 w( T: T - printf("Device %s write error.\n", E2PROM_DEVICE);2 z9 D% t( [" s% m
- return -1;
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& o4 j+ u# a# k& p- return 0; a& z8 h# O6 T% I7 {
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( S9 f0 @1 ^# k; C- int main()
' |8 i) `4 x, T9 A) I% Q2 b2 T - {
- x. {4 f# X2 O7 o! k - char c;
% M9 j& y7 r& H# e6 F8 t" C - int i, macs[6]; k6 g, A, ~6 g1 s+ n
- unsigned char mac[6];
2 b& X8 @0 h! P; l& l - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0), s" ~8 G$ ]4 l3 K# G9 A
- return 1;
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$ }7 d2 |9 j7 M- printf("Current parameters: \n");
" X5 p' p" G( S& a( z/ C - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# R# W9 H! w. X9 `3 X
- printf(" STBID: %s\n", stbid);
( I K: o& x7 Y$ ? -
" u; |0 A% r5 v% F: `: y9 \ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. u/ ~7 O% z* [8 G8 }4 J
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {& T5 H; H( w2 }1 S
- printf("Input MAC error\n");
& G4 E, U" r- U% C, N* c# v* p - return 1;
$ e( B+ K' W! o( u - }
1 G# r- ]; H; `/ g( M! t8 _$ _ - for (i=0; i<6; i++)mac[i] = macs[i];
+ m5 u& n9 ` D: L( H8 W- p* O3 a - printf("\nPlease input new STBID: ");
: V- d& n( g. O* P: U - scanf("%s", stbid);
( m4 W _9 U5 Y! Q - if (strlen(stbid) != 18) {" X& Z* G+ g. ~8 m; _4 A1 F
- printf("Invalid stbid\n");
! L! ?( H( X' w, X& N1 B3 `( u2 M - return 1;
. f$ w& N- Q8 ^* \5 v6 h5 ? - }' I& b6 R2 [9 t5 b' j0 p" B
- printf("\nNew parameters: \n");
; \+ g2 D$ a6 p" x, w$ q3 ^! \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, P7 X \/ e- |0 P/ { - printf(" STBID: %s\n", stbid);: \# m# w! M6 n1 |1 ~% T( ]
9 [+ f" _0 Q5 J0 J- printf("\nDo you want to change paramemters? (y/N) ");
0 |$ G" y4 y, t. u) i1 y2 N - for (;;) {
, I6 k4 `4 M, D - c = getchar();7 F! O7 Y9 q) }: U& R) f
- if (c == 'y' || c == 'Y')& A4 \* [' x- g* C2 C. w* H
- break; l4 S; `$ D: B( ^* S$ l
- if (c == 'n' || c == 'N') {
3 x2 p( ?' x1 O) T) }' n' A: r - printf("\nAborted.\n");
3 x/ [. Q# o) }, L% R3 y - return 1;- K4 c4 W# w* n5 ` B" c3 ?
- }
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- if (writeparam(mac, stbid) == 0)
$ ]$ v8 R7 F- P# m: ^ - printf("Parameters changed.\n");
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?1 |( k+ L3 _3 O0 Y5 N2 D- return 0;' @) x/ c, W0 j% k F) p
- }
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