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。
' @* }6 v5 l6 e& J; r- V2 [需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
$ J" b$ o1 C* z' p* K% K7 y - #include <malloc.h>5 }4 i2 @- {# [2 \% ~5 M6 S2 J
- #include <sys/types.h>" f" f, h) b% Q
- #include <sys/stat.h>
9 [3 d: d* c6 K5 V" k! o2 v - #include <sys/ioctl.h>
' x5 J* S( f* D, |5 m7 r! k7 Q) J - #include <stdio.h>
9 h/ ^9 n H! G' I' ?6 a - #include <string.h>- i, t- R3 `& `5 O
- - c2 I* o( I8 P$ E. |
- typedef struct {
. o6 z& {3 c1 p9 [$ A2 j2 b - unsigned int e2prom_cmd_sub_addr;
. z2 O T! [# y0 E. D2 Q - unsigned int sub_addr_count;
?+ Q( A5 N0 Y/ x3 O - unsigned char* e2prom_cmd_data;
, C1 {+ Q5 g: R3 D' J! @& n - unsigned int data_count;4 ` v9 ^' C0 b" C& w; v5 Y
- } e2prom_s_cmd;
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6 E% t8 q9 Y# k4 P& o- #define E2PROM_CMD_READ 11 D( x8 f3 |; M" h
- #define E2PROM_CMD_WRITE 2
1 z# R4 [6 E* f' S$ M6 n - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
. |" H" V) C! t& \/ L& }
( q) s' w# R; D- static int readparam(unsigned char *mac, unsigned char *stbid)% `* f& Z8 e5 z! \' u
- {
1 x0 h0 y) G5 c! y - int fd, ret;4 |& l0 T5 Y( a7 B I, i, Z
- e2prom_s_cmd arg;5 M) Z- U5 e7 f
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
3 D6 Y/ J- t6 V - if (fd < 0) {
1 W9 x7 n# \3 m# Y - printf("Device %s open error.\n", E2PROM_DEVICE);, i: Y+ w5 q' T; `% C
- return -1;4 K6 t+ g3 v& E; e8 c
- }
# ~/ S0 M% u( f - arg.sub_addr_count = 2;. J) m. z0 i0 r& u/ @* o; J
- arg.data_count = 0x18;" l$ m* m: w, f C0 v* Z( E+ \
- arg.e2prom_cmd_sub_addr = 0x290;2 L# K: y8 I$ W! y8 G; G
- arg.e2prom_cmd_data = buf;
- j; R( p3 l& j; d9 L - ret = ioctl(fd, E2PROM_CMD_READ, &arg);& ?4 S) I) Q H4 ]. ?
- if (ret != 0) {
5 `/ K5 w0 i( p; G, h% ] - printf("Device %s read error.\n", E2PROM_DEVICE);
3 C( Q. s1 g. d - return -1;6 G8 e9 Z% p; b7 q
- }, B/ G0 X" W, G+ d( ?
- memcpy(mac, buf, 6);" _7 ~$ i* n$ [
- memcpy(stbid, &buf[6], 18);
( }6 G$ l$ [6 [4 S - stbid[18] = '\0';5 |( ]8 g2 v' E% X# V
, g, w4 z, D! h! u2 s- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
" |1 O4 q- y- x5 \" B/ Q - e2prom_s_cmd arg;
, a `8 L) J. F8 ?. t/ m1 f- ~$ F8 R - unsigned char buf[0x18];4 m0 M+ @; ~& n
8 p O) h6 ?' T& g- memcpy(buf, mac, 6);% f! k+ [, e2 G' C7 d
- memcpy(&buf[6], stbid, 18);
' j. H8 E1 \/ f& U' H* K: p# n& M - fd = open(E2PROM_DEVICE, O_RDWR);# e7 G$ U, }; w2 M4 l3 w" i; E# t
- if (fd < 0) { h. n8 b6 G: n- s1 ~
- printf("Device %s open error.\n", E2PROM_DEVICE);2 ^! I* c6 n+ J1 r7 H& E7 K
- return -1;& }7 v" e) y3 j" H- v, S$ a5 L# O
- }
" Q1 X1 E$ ]0 p# Z: D - arg.sub_addr_count = 2;. s% ~# B2 n" _% }
- arg.data_count = 0x18;
5 M% L9 C! C. y- n+ e# l+ ~ - arg.e2prom_cmd_sub_addr = 0x290;
& G. p1 ] _. s9 _ - arg.e2prom_cmd_data = buf;
2 w( `" c8 g; f5 N0 I# C - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, \8 k J# w" N5 ` - if (ret != 0) {8 r; s X# u/ E7 f0 g7 K
- printf("Device %s write error.\n", E2PROM_DEVICE);
. Q2 s o3 c. S9 u* T - return -1;. U4 f3 m- r. ?! M/ F
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- return 0;7 ^2 }5 ~& X2 I
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. p+ D& A! }& s- G2 e2 W8 b- int main()# h, `' n0 A7 X8 n! r( j2 e \" ?& q
- {9 B0 d* C. W: _; d1 h: ^
- char c;
- p, u5 x# u7 a& `2 J! h* \ - int i, macs[6];) B; {: u! m5 _
- unsigned char mac[6];
1 ~/ @ j3 c* I' W+ E - unsigned char stbid[256];
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3 ^" g+ q4 w* z* A( v0 d, D, u, ~) t- if (readparam(mac, stbid) < 0). W- |% u2 `% g3 p5 B. |' J4 Z
- return 1;
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: D& ^; R p q/ w0 Y, V- printf("Current parameters: \n");
7 w% u& j3 j- l2 [7 Z. n, c) d - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ \1 H* W( V2 L2 M% n
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");* {* g. Z8 ?# X Z
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
" l: U3 @# J" h - printf("Input MAC error\n");
8 f( L% F, O0 s6 l - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];8 C7 r& H! U$ G, n: k `3 ^; {, w
- printf("\nPlease input new STBID: ");
X8 c# L8 k" \ o3 K: N7 Y' a* } - scanf("%s", stbid);
- t5 G- z& Z N) j - if (strlen(stbid) != 18) {
- w* j B% v# L, F - printf("Invalid stbid\n");
- K# c9 B( I2 k A% ?* w - return 1;
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- printf("\nNew parameters: \n");
( B' ?0 W. r0 c2 z8 G5 b( K - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 T' Z+ a$ K" g: q - printf(" STBID: %s\n", stbid);
7 s4 z0 H3 n: e2 f9 r& M2 k - : Y7 i. z+ F3 d/ R* ]
- printf("\nDo you want to change paramemters? (y/N) ");
- j. S7 J+ G. e( z: i, h - for (;;) {
& A8 t0 e2 t$ e - c = getchar();- W, _4 t+ M$ U
- if (c == 'y' || c == 'Y')
6 S5 D% c* Y& Q8 n - break;' ^, ?; w0 ]# t& s# n! x
- if (c == 'n' || c == 'N') {/ I G8 k- K: S- y
- printf("\nAborted.\n");4 F, ?1 y9 [4 s" u
- return 1;
, g* g% x9 c1 V2 `( @' Z - }
% L2 v! M6 H3 V0 z9 V; a. l - }
% f b: r d$ V8 E - if (writeparam(mac, stbid) == 0) . v9 }6 }: c% I* \# f* B0 ^6 H5 I
- printf("Parameters changed.\n");
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- return 0;
. N# ` ]4 ?: F! ? - }
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