本帖最后由 0522 于 2012-3-21 23:04 编辑 & M( z! I5 O/ } f t
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修改的代码早有了。到今天不会编译。
+ U8 C6 v+ ~( V) x7 L; u! [需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>1 x: s4 Z2 |# B N
- #include <malloc.h>
1 P' l: }. Y1 ~9 n# G9 F - #include <sys/types.h># y0 F: h2 `( }! x; Z
- #include <sys/stat.h>" t# a8 e: m& R7 \. Z5 [
- #include <sys/ioctl.h>
) y8 X! S# z% V6 x: w, i( e% \7 U - #include <stdio.h>* W9 s: z* K9 |5 M) z
- #include <string.h>2 q7 w- H- m9 e3 ?2 [
$ b* y" a! G) r( {2 Y# M! F( C- typedef struct {
. _. v* n' |7 e+ Q+ P - unsigned int e2prom_cmd_sub_addr;
1 \: c( N# K1 \; Y, G5 P - unsigned int sub_addr_count;
2 K: f1 E* g7 G6 {1 a% s# N: w - unsigned char* e2prom_cmd_data;
) n" D% @+ G2 _9 E8 v$ i2 v, D- { - unsigned int data_count;
' c# q) ^/ `6 ~, h7 L! ~1 ~ - } e2prom_s_cmd;& f, y/ M, g2 }6 d7 I- i1 ?
. a/ n# W3 x& l3 X& H* r% o- #define E2PROM_CMD_READ 1& h1 `, l( n) a4 l
- #define E2PROM_CMD_WRITE 2
# K& A% `" \ R8 I - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
8 |' y8 Q/ K! W. h e$ b" x5 v - 5 h0 I: O4 ]; n2 G" x) i4 ]
- static int readparam(unsigned char *mac, unsigned char *stbid)
& F' S. R1 b6 V! l - {9 d( l0 [ e2 b9 O# t. U) [
- int fd, ret;
" t8 M) Q0 O* I+ K/ g, ?, R2 m - e2prom_s_cmd arg;, E. \1 i" h" i/ M7 n, b: h; D
- unsigned char buf[0x18];3 X, k$ A7 I9 y: c
- 1 f. S& J! A* p
- fd = open(E2PROM_DEVICE, O_RDWR);
) h/ N: X& Z9 i7 Y" U" Z! G7 f7 n - if (fd < 0) {
' S8 H9 w5 g& B - printf("Device %s open error.\n", E2PROM_DEVICE);
" G- A) L) c8 A- M7 `4 P - return -1;8 J- E4 Y% s& t7 M3 E
- }
) B$ p3 |- l+ G - arg.sub_addr_count = 2;
4 ]- m: l& `3 J E/ T$ Q+ p - arg.data_count = 0x18;
2 |$ K% O5 j7 k+ X3 V - arg.e2prom_cmd_sub_addr = 0x290;0 Y/ Y" F. V, X" b% p. b
- arg.e2prom_cmd_data = buf;
; C3 R9 Y8 i8 y5 M1 O, W/ { - ret = ioctl(fd, E2PROM_CMD_READ, &arg);& U" p" H; U1 `! o6 q! s
- if (ret != 0) {6 e" r3 I V0 `
- printf("Device %s read error.\n", E2PROM_DEVICE);
3 i( d4 Z2 R6 E* W - return -1;4 r8 i' `8 H- q* W% K
- }8 F% d% m7 O# u7 ]" H
- memcpy(mac, buf, 6);
) ^4 P9 i+ j% i- s0 d - memcpy(stbid, &buf[6], 18);
2 T; p' _6 }$ `$ b- } - stbid[18] = '\0';6 D' q( U& T5 K, K7 M' W
9 D2 b0 R) a7 T( I9 D5 h# T- return 0;. f( Y, k0 P" |% k A8 _9 w, o' U
- }
2 W6 a# N; N: L: H
( M5 d8 L* k6 v3 a) l- static int writeparam(unsigned char *mac, unsigned char *stbid)3 S0 R! [; B; j
- {) b$ F& R3 b+ }5 _, I
- int fd, ret;2 v5 W5 [. W6 q$ r- l9 P- M: R
- e2prom_s_cmd arg;# E$ B3 Y8 R! x# z2 n
- unsigned char buf[0x18];
- C* D; J9 v ]. F* ]7 w
: u. l' u- O7 G8 D2 `- memcpy(buf, mac, 6);$ n4 g+ z8 _7 `5 {5 W
- memcpy(&buf[6], stbid, 18);
7 E; b- Q' V8 W - fd = open(E2PROM_DEVICE, O_RDWR);
& I$ n& u& J2 [ - if (fd < 0) {
8 U, _( E# K% ?" O - printf("Device %s open error.\n", E2PROM_DEVICE);4 l( E. D+ R+ @# y- \
- return -1;
# l# q8 f# Z9 Q, {, [' ?' }: W - }. j0 T: `, Z X) ] A+ H
- arg.sub_addr_count = 2;( k' X F; _6 @9 S. C
- arg.data_count = 0x18;% O! {, N) }8 m$ z
- arg.e2prom_cmd_sub_addr = 0x290;
m+ T8 K F9 P% ~2 | - arg.e2prom_cmd_data = buf;: V. L N- f' H
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ d9 w" _, N$ r' x7 i' h
- if (ret != 0) {
1 V9 n7 x2 R) }+ ]+ P) B5 Y+ @ - printf("Device %s write error.\n", E2PROM_DEVICE);
& A D" D. K1 d. j3 g - return -1;) n$ g* S6 g8 m: G2 \0 a
- }0 ?3 G% y, T' B# G4 b( ]9 U
- $ V, d( g, f' g: F3 G
- return 0;
5 T, m7 ^( J' n - }
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- int main()1 r$ ]! O' ^9 C1 Y3 H. n. n
- {/ i. @0 j4 \; C6 B
- char c;" o/ H+ b% ?+ X a9 {8 ~- i
- int i, macs[6];0 P; C% K y1 [% U# `3 s
- unsigned char mac[6];4 ?3 s7 Y' J3 y. M; D, f
- unsigned char stbid[256];
+ H8 K3 X, F9 o6 Q) @/ G2 J G - 7 u1 u5 p* X5 o( {8 G
- if (readparam(mac, stbid) < 0)
% k2 h4 z, ^$ a" L' `& M- l - return 1;
8 v6 \ h$ p$ |, A - * i0 O6 S, X! P! p; x7 v
- printf("Current parameters: \n");
# p+ ?: d0 _" _8 X$ S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, |' f% M* ^. T$ e* t - printf(" STBID: %s\n", stbid);$ ~3 e! m: e7 N: H
-
7 v0 c5 Y( V, D8 H - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 o8 ?1 y0 ^: E0 _: M - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {- { O6 z; Y+ k% Y& j5 C
- printf("Input MAC error\n");( t0 Z" p6 s# X/ V
- return 1;" L! B' \2 m- f/ l$ F5 `% @
- }
+ g* ^) v/ \6 P7 M1 P+ M! ` ?6 ^2 W - for (i=0; i<6; i++)mac[i] = macs[i];- a' r! I& U% f) y/ J0 z6 ~
- printf("\nPlease input new STBID: ");
) B" W+ x9 U* d# E1 H - scanf("%s", stbid);
4 X1 G& m& }- `5 D6 V U- e5 l6 R; H7 J - if (strlen(stbid) != 18) {
% }( L1 R- i* d - printf("Invalid stbid\n");
/ t. p7 ?" y7 @# i3 K; T - return 1;
# F0 b( N$ c, F; f4 |. z& a& c - }' k4 B. T% a% d5 L; E0 v
- printf("\nNew parameters: \n");! ^. T! t) B8 c4 C# O
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 y! ~: r: _( H3 L: R( c0 N) r
- printf(" STBID: %s\n", stbid);2 d# D# q; V! f$ E% p2 Q
2 j3 \7 }" c5 x7 U m4 f9 G- printf("\nDo you want to change paramemters? (y/N) ");
& G2 b, h4 H( h% a) o$ r - for (;;) {7 b+ X; K4 A$ S! f( Y3 a
- c = getchar();9 o9 M4 g, z: e% _
- if (c == 'y' || c == 'Y')) `* |4 I6 }( ^7 H( T+ V, ?! W5 t% A
- break;8 W9 w' P2 k' q4 F; [+ I/ C
- if (c == 'n' || c == 'N') {& k$ g& w$ ]/ H }. r. u
- printf("\nAborted.\n");
5 g; J& d6 d" K) G7 E - return 1;- O h& z0 o9 C G
- }
0 Q2 s z7 o8 c0 T, q - }
; [: @* U( t, r, a - if (writeparam(mac, stbid) == 0)
" U6 w1 n* z D' s5 F - printf("Parameters changed.\n");+ }, d9 y4 x$ d" x5 x! R
3 z. c( D5 p+ ]9 x) q3 a6 q( E; R" [- return 0;
) x) _& C' @% u% t. ~ - }
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