本帖最后由 0522 于 2012-3-21 23:04 编辑
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* j# A7 [ F! z, U2 |, O8 p修改的代码早有了。到今天不会编译。) {% n' c* j7 @& j0 }. u' G
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# Z6 M* c6 i" n+ t - #include <malloc.h>
5 D7 {0 r# o3 |* w" ?* d - #include <sys/types.h>
4 e/ X$ o% K% H# W: N) J - #include <sys/stat.h>1 a% a: j" R+ L' v& ~7 ~
- #include <sys/ioctl.h>. L. M1 D8 T G/ m
- #include <stdio.h>. W2 Z7 \ ]" Z& c
- #include <string.h>5 A4 b: L6 v+ y& P/ X( U! l+ Y
- 5 W. j4 v0 x5 E$ ^, B/ g/ f0 |
- typedef struct {& i+ f+ f( u. W. v# j9 g1 e
- unsigned int e2prom_cmd_sub_addr;
) C- K9 P N; `, J+ F9 w - unsigned int sub_addr_count;
/ R; V5 a+ w1 I" s - unsigned char* e2prom_cmd_data;; g k* ?) B# ^+ p
- unsigned int data_count;, A: M# \0 L8 e1 [4 r
- } e2prom_s_cmd;
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+ {1 C7 I7 y0 v7 z8 Y) c2 \- #define E2PROM_CMD_READ 13 ?+ f6 b* W4 v& X- _8 I& {1 s
- #define E2PROM_CMD_WRITE 2& z5 f. N4 ^8 @9 ]/ H
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
+ g' t7 x. L+ e! ~4 S# G" m - {3 D$ f1 o! L" X8 E4 `
- int fd, ret;
+ J, C" ~) t- H& Q - e2prom_s_cmd arg;
+ A8 b9 q( A1 O9 Y; D2 }( p - unsigned char buf[0x18];" n8 ]; b& L- o
. ^5 O- }( n# U' C- fd = open(E2PROM_DEVICE, O_RDWR);
1 v" E, s O: W p$ a/ \; C) v - if (fd < 0) {0 N6 B6 |5 J% I6 B5 N
- printf("Device %s open error.\n", E2PROM_DEVICE);. m$ R7 }3 g- S4 O: |8 i
- return -1;
+ b, k& j1 y) d x% D5 d* t - }
) C. s' L$ z! L - arg.sub_addr_count = 2;
0 e( p0 q0 _: e6 [3 O! u - arg.data_count = 0x18;4 V ]5 I3 `, S3 T
- arg.e2prom_cmd_sub_addr = 0x290;* w/ Q, a+ Y6 p% Q/ r1 _
- arg.e2prom_cmd_data = buf;
0 E! U1 E, A5 s1 L, W% A. R' W - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 |# b7 E7 i9 O0 f) P5 E Z - if (ret != 0) {
& h1 I8 N8 a2 Z& l - printf("Device %s read error.\n", E2PROM_DEVICE);
0 F/ w: l8 z) h- M' v" K6 ~ - return -1;
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- memcpy(mac, buf, 6);" n C, T% }+ V2 n( f8 N
- memcpy(stbid, &buf[6], 18);
( l6 l/ g7 b' ^* k* u- i$ [ - stbid[18] = '\0';
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- return 0;
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7 b6 C( O9 F' n+ ?- static int writeparam(unsigned char *mac, unsigned char *stbid)
7 \- E& ?& w8 Q T0 O- _5 ? - {# r2 @2 p; y! F9 k0 z; q6 { T
- int fd, ret;
" \8 S, |; E7 }& I7 v9 a - e2prom_s_cmd arg;7 e5 P% y6 D2 L) K& L
- unsigned char buf[0x18];: ?' Z0 j2 a9 l; Z# o7 d
- " z8 O) e! D1 t) s+ d
- memcpy(buf, mac, 6);
( ]* s) e6 v( W' u. ~1 C - memcpy(&buf[6], stbid, 18);5 F7 a4 N9 ]' f+ |& P# @
- fd = open(E2PROM_DEVICE, O_RDWR);
: }" d2 Y$ [( K& d6 M - if (fd < 0) {( E9 U D& ?6 C" i
- printf("Device %s open error.\n", E2PROM_DEVICE);# c. x! u, g. k% O
- return -1;
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9 x& y% y) F# m" H- u - arg.sub_addr_count = 2;* a4 I- I- V( E7 _
- arg.data_count = 0x18;
, P0 G. E3 m3 m+ l: Z/ g7 W - arg.e2prom_cmd_sub_addr = 0x290;
1 R" ^( {1 c; a* y4 V/ q( {" ?9 X - arg.e2prom_cmd_data = buf;! ~4 {+ m) e5 c7 v' R
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 v% Q$ y( {/ K - if (ret != 0) {$ A1 o) h* h5 J0 ]9 u1 e
- printf("Device %s write error.\n", E2PROM_DEVICE);" I& Q; d# M1 F" l3 O' e8 b& Y
- return -1;; g7 W6 c3 Z* D3 Q
- }
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- return 0;
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7 x6 @5 u: W7 J- int main()
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- char c;$ m' Z; s$ \. k$ I1 j; B' x
- int i, macs[6];
, T7 S+ @/ `6 `$ I1 \' S - unsigned char mac[6];
* [( l7 j l B; k3 j$ V ` - unsigned char stbid[256]; I% x$ e$ ]. c& q: \* p2 [
- / e7 b v& C m2 g
- if (readparam(mac, stbid) < 0)3 I# G; s8 g# j& ^: ~1 @' ]
- return 1;
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/ j; C* }+ [; z+ G3 p- printf("Current parameters: \n");
! T- x5 ], \$ }* L9 ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ z% ]1 M, @1 v. t - printf(" STBID: %s\n", stbid);
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) }$ Y# ~/ H" S& D! h1 }( L2 ^ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 i9 }! _: b. U( z% j
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& r& | O8 C! @/ p' _+ `! R - printf("Input MAC error\n");
. ]* }( k) r2 P6 y5 X, G - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
. d, C5 x! T' g - printf("\nPlease input new STBID: ");
@+ y. P, h2 I L - scanf("%s", stbid);& Q1 h: ~5 N6 f. q3 x
- if (strlen(stbid) != 18) {
8 D6 A& m: ]; ?) ~ - printf("Invalid stbid\n");; ?; H; C r3 `- B5 f5 b2 N
- return 1;
' Z; |6 F, s" D - }
; K1 z4 R: N( c2 i$ k# n# l - printf("\nNew parameters: \n");
( e) T% {2 c0 S" Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ z j( o) X2 X( H" K - printf(" STBID: %s\n", stbid);7 }3 f, r: _' T2 z
\9 a1 [, U A$ } _: _- printf("\nDo you want to change paramemters? (y/N) ");: _( @) X) n' A2 d
- for (;;) {
% D, R9 |: _3 ~. W, D7 D: Z- F - c = getchar();1 W# ~2 L/ B5 g6 a
- if (c == 'y' || c == 'Y')
c% M; R+ E, e - break;
$ }( W6 ?* y2 E" N" j/ k! y" k - if (c == 'n' || c == 'N') {8 ]! B3 w& @/ D, F, G" ^/ W3 |9 G. o
- printf("\nAborted.\n");; ^& e6 E7 e$ u$ ]
- return 1;
+ |% {: `# j& K - }
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! y$ k& \ K2 u2 o" R0 E+ k - if (writeparam(mac, stbid) == 0)
& k* i3 O* Q/ h& g | - printf("Parameters changed.\n");) v% \2 t* y9 D/ [
- # s6 W0 s, f) H# j2 C F8 T
- return 0;
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