本帖最后由 0522 于 2012-3-21 23:04 编辑
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9 U1 W) |$ n8 ~4 A6 W4 ?修改的代码早有了。到今天不会编译。; q3 B% Y$ v1 Z, ?( J; y3 A
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>! p+ c& V; }8 {& g$ ~* I0 A- ?
- #include <malloc.h>
! Y+ |8 a( w/ J2 u/ y- Z. p( U3 v - #include <sys/types.h>
; e' J, B3 J3 L% F$ z5 ^ - #include <sys/stat.h>) q' c- s/ L+ b# N/ J4 [
- #include <sys/ioctl.h>
( N0 @# H' F8 p: j% r - #include <stdio.h>- {" _0 L7 [: f" Y# T, W' {8 z
- #include <string.h>
! r2 n- p( q$ s( P' R - 7 u; I. K) K4 k/ m
- typedef struct {
* B, k! |# z) Q' u$ G3 L - unsigned int e2prom_cmd_sub_addr;
) W$ l1 Z/ A+ u2 H8 q - unsigned int sub_addr_count;
; B( P' d7 U# J1 L - unsigned char* e2prom_cmd_data;
$ b( L- v3 [! V+ V$ S - unsigned int data_count;) P9 C2 \) x, n8 s6 G5 K. [( G& ^/ d
- } e2prom_s_cmd;9 Y! y+ w/ P, @1 T
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- #define E2PROM_CMD_READ 1# R' Y9 u" e+ W* x: v: x
- #define E2PROM_CMD_WRITE 2) v8 z4 n) r) t
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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9 ~* Q! g Q: k/ z, C- static int readparam(unsigned char *mac, unsigned char *stbid)* W9 F; ?* O/ q3 K4 H7 u I% [6 M
- {
! n; a/ X% ]# B8 T- M2 Y7 { - int fd, ret;) a& [ \/ p& g, Y& O% p
- e2prom_s_cmd arg;+ u* v( Z" |) V% g3 N+ s
- unsigned char buf[0x18];2 S0 p. U2 u! w8 n
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- fd = open(E2PROM_DEVICE, O_RDWR);
3 J2 [$ t& g' k |% {( N; M - if (fd < 0) {' P( Y/ T. r- o, S `: y, G
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 p6 \3 r1 y8 ~) i - return -1;
5 A5 y" o; z o% J - }
9 z9 j& t# |8 B: {# Z5 t - arg.sub_addr_count = 2;
1 L6 @$ j. L8 w. Q4 g$ b - arg.data_count = 0x18;$ f8 U9 O& _0 B0 a* ^8 m1 Y6 w
- arg.e2prom_cmd_sub_addr = 0x290;
( t9 w1 {# H* ?" o! @ - arg.e2prom_cmd_data = buf;$ q1 H( h( k v/ N) E ^+ d
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- v1 K8 I( ^( c3 d4 R3 @- w - if (ret != 0) {
, g: b0 [# w j# h1 s( B - printf("Device %s read error.\n", E2PROM_DEVICE);: D/ ~7 d3 f# r. e/ ^
- return -1;
8 u# e4 h; R4 i/ I - }
, D8 j1 k" {6 ~. {6 L0 U4 N - memcpy(mac, buf, 6);/ V* P% J2 F1 E- T0 D
- memcpy(stbid, &buf[6], 18);& ]0 \6 e& G- W7 [! G4 ?
- stbid[18] = '\0';
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- return 0;+ }" c( h) p! k6 H) s( x' L
- }6 A9 X" ~5 R# d! ^/ c) Q
- 0 j2 r* o4 X9 T6 u& C) T
- static int writeparam(unsigned char *mac, unsigned char *stbid)8 [+ e7 D9 ^% }4 s* r! W0 G
- {
0 }+ w. S4 s4 X+ T/ M \ - int fd, ret;
' [4 @' J- ?$ R# z& p - e2prom_s_cmd arg;
( x# k) K9 e3 D) ]. h - unsigned char buf[0x18];
# K: B! ^5 X5 C! C - - x0 D/ q2 k' Q; r1 K' Z1 K4 o! S
- memcpy(buf, mac, 6);
2 z1 e% q" ^5 [, _) a, F - memcpy(&buf[6], stbid, 18);& ]1 |/ @9 m( a9 B; t+ Q7 _
- fd = open(E2PROM_DEVICE, O_RDWR);* @, Q% F Z2 M4 i
- if (fd < 0) {
5 s; a. a+ K7 m( E - printf("Device %s open error.\n", E2PROM_DEVICE);
% Y- N& ^3 Z1 J - return -1;
: F. n' H2 X, U: w7 H - }
$ S2 y' }. ~% y+ z$ e& J" k. m - arg.sub_addr_count = 2;# j9 M8 I& @$ N: h
- arg.data_count = 0x18;
6 k, I! u3 W' g6 a" Y% s: L7 [ - arg.e2prom_cmd_sub_addr = 0x290;
+ t1 z4 w. Y2 c; E) {5 S - arg.e2prom_cmd_data = buf;+ J" m5 e$ i9 I+ I7 ~0 }
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ x( O; W K5 T p
- if (ret != 0) {
" Q( E3 p/ h4 W# Q/ d0 W - printf("Device %s write error.\n", E2PROM_DEVICE);
, E* u& V, F5 e: q9 A - return -1;2 P* e, I% Z% E( l4 v
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# s8 I ?, b0 z! g0 e) b2 s, h- return 0;/ S* d9 T, S/ i( k: g+ Q
- }4 u* t' F. S- y- m! {
4 d5 E$ L. r9 u, t' J- int main()( x" N3 j) M& _7 b# A
- {
; _- {2 G. Q$ R - char c;% |. D" B% R' I u
- int i, macs[6]; i! ~' h( n1 Q
- unsigned char mac[6];2 H# ~" }7 }. x8 E& [* u" ~
- unsigned char stbid[256];
, [8 | ]6 L R! } - : l* o! {$ K4 e5 R. S: p, L3 L
- if (readparam(mac, stbid) < 0)
- a, c; s' F! F& a2 `' [ - return 1;
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2 J5 b) _2 t% c- printf("Current parameters: \n");7 ]7 T. v ^1 f1 z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* Z8 k3 k6 b1 T3 Y - printf(" STBID: %s\n", stbid);
6 Z5 a( x6 N5 N8 o - 4 d3 U9 f$ b$ ]/ ]; J7 d
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");4 _! h4 ]$ r' s3 m9 `/ J
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 h/ w3 H7 D, X+ x$ G
- printf("Input MAC error\n");
+ n! p( t$ g; Y% l - return 1;8 l' E7 _* |+ Z
- }! c* f- p1 `7 S$ `! o
- for (i=0; i<6; i++)mac[i] = macs[i];
$ @/ u d9 U, s" k6 S( d0 j# Q5 N - printf("\nPlease input new STBID: ");
+ E: d, Y* }( f - scanf("%s", stbid);6 T+ {1 |& p$ S7 x( i
- if (strlen(stbid) != 18) {
& f$ s% ^( T3 P* ?- t' l; G" y - printf("Invalid stbid\n");$ r, F' i* U5 f0 A
- return 1;
) w3 F8 `! ?5 W6 b) S - }
! u& [% ^" T& o' d8 p - printf("\nNew parameters: \n");/ W7 f$ o$ Z& h7 U
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 H7 X* V/ z; g V' r1 ^ - printf(" STBID: %s\n", stbid);7 O; x) y# U, z% E
- 0 f) Q' w% ]' ?$ s1 H
- printf("\nDo you want to change paramemters? (y/N) ");
# X. ~- @2 F' S% Z6 p& f - for (;;) {
4 \, [- F% _' ?& G: z; { - c = getchar();$ x3 s8 ?7 x( ~ F
- if (c == 'y' || c == 'Y')
. G+ m1 Z% p" J r8 X' S - break;6 b0 O! f. f H8 H) K& Y' Z, d: N
- if (c == 'n' || c == 'N') {
3 d3 X" f" Y" E3 d( ?* z" j - printf("\nAborted.\n");
3 T% b# j3 l: v0 H9 F0 Y' b9 t - return 1;
" u# x0 o4 D9 x - }/ K0 v# B. X9 ?- N. O8 c0 h
- }9 _. j! I+ Q$ F- O6 c
- if (writeparam(mac, stbid) == 0) ( O% o$ k! H x: m3 u5 d) ?
- printf("Parameters changed.\n");
* h1 H* s+ ^! N: N9 Z - 5 T2 H$ Z. v& i7 s/ k
- return 0;
& K! l- n/ t# K# j* P' W9 Y7 ? - }
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