本帖最后由 0522 于 2012-3-21 23:04 编辑
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* d3 @$ s7 s/ J% ?& q# j& p) E) Z修改的代码早有了。到今天不会编译。) a# c4 D/ s2 _" n4 G" I: P. F' p
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>. U0 T4 \ {6 M6 d% [2 D
- #include <malloc.h>
: Z1 B. F+ _. e& } - #include <sys/types.h>& E) k1 x3 Z# l* I
- #include <sys/stat.h>- q. S+ I. C7 z( S7 ^" g& ~
- #include <sys/ioctl.h>
5 X9 U& P+ \$ X$ x7 t# I - #include <stdio.h>
- `8 S3 o, U* }- e5 L% k: I3 n - #include <string.h># m( `( d- `* {5 T9 [ E1 E
: W/ _' a& R2 z9 N- typedef struct {& |) Q( `: I) E
- unsigned int e2prom_cmd_sub_addr;
/ s' c- }, ?6 @6 o G) N: K - unsigned int sub_addr_count;
n) s9 K6 _! m5 b i" D# [% o - unsigned char* e2prom_cmd_data;4 m. \) q, e/ J& V, n
- unsigned int data_count;7 G- A8 o3 U5 x# o
- } e2prom_s_cmd;/ T7 J0 I9 w: ]: L: K
2 R4 [: V$ N o4 o- #define E2PROM_CMD_READ 1
# }2 l6 ~0 ]" x+ `0 M, ], o5 L9 f - #define E2PROM_CMD_WRITE 2
) A8 v( r) g4 S6 R. h% [% ] - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" o6 X& a( F$ b* R3 H5 G
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- static int readparam(unsigned char *mac, unsigned char *stbid)4 Q% w- M- O. O" X+ C* U
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- int fd, ret;' x1 v% k- s2 q4 P# k3 [0 X
- e2prom_s_cmd arg;" y6 m4 e0 q$ R; j& [" E
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);6 F7 j+ m5 s% l \/ P" a: q
- if (fd < 0) {
* {0 |% {4 M0 D) A9 ` - printf("Device %s open error.\n", E2PROM_DEVICE);
; O7 A* i8 _$ M' ?5 ]; J5 Y - return -1;+ Y; S- E& Z# q. _5 _& t$ { l
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- arg.sub_addr_count = 2;
' X- K, Z8 x$ U - arg.data_count = 0x18;2 B+ E8 D% w( F* M) K) I
- arg.e2prom_cmd_sub_addr = 0x290;8 `0 H. w( h+ n
- arg.e2prom_cmd_data = buf;$ e1 l: u7 F3 ]* C8 l5 M
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ G9 n+ e3 J2 K( C. K
- if (ret != 0) {, Z. A, i$ k! ]1 ?
- printf("Device %s read error.\n", E2PROM_DEVICE);
# s" q6 x1 c# U7 q - return -1;" S3 S+ f, i0 b
- }
, m4 Y9 m5 x! w% I3 Z5 L - memcpy(mac, buf, 6); S1 ?' i% D, s7 V% r; {
- memcpy(stbid, &buf[6], 18);
6 p* z1 c2 d/ J4 R" b - stbid[18] = '\0';
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- return 0;
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4 `3 z+ L# J- T6 P W$ C- static int writeparam(unsigned char *mac, unsigned char *stbid)
2 M9 b) N+ E& A8 E# M6 \ - {
/ J8 W% B) h/ t8 k4 u - int fd, ret;
9 q$ a# X" q6 X* J9 k+ v - e2prom_s_cmd arg;
+ u; d# q) R6 u2 {* {0 J0 ~ - unsigned char buf[0x18];& a* Q4 X, w3 A8 v8 B- g; m
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- memcpy(buf, mac, 6);
0 ?5 |% U+ B* b! L5 o+ W- a - memcpy(&buf[6], stbid, 18);( \2 I, e. o: V% s5 K3 m
- fd = open(E2PROM_DEVICE, O_RDWR);% g9 f" v4 \3 q3 R9 k/ o
- if (fd < 0) {
# @6 O1 T* f0 L8 Z% K. Z4 Z3 S - printf("Device %s open error.\n", E2PROM_DEVICE);/ Y( F3 r) H$ c2 M1 O
- return -1;
+ S1 i3 H8 n: }2 @ - }
& [6 T9 m) b3 R5 {& f. g - arg.sub_addr_count = 2;; L$ r4 Y/ J; |2 k( |
- arg.data_count = 0x18;' Z- H: c$ G' A9 Q9 `. u% ^8 b
- arg.e2prom_cmd_sub_addr = 0x290;+ j$ l+ Q) Z* I/ T
- arg.e2prom_cmd_data = buf;
4 t. g, z/ p- Y/ E0 n' ~ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);* r1 y; Y5 _/ l
- if (ret != 0) {
9 l0 t$ n, t* m( ?- t! T - printf("Device %s write error.\n", E2PROM_DEVICE);
) F8 E; q! \$ ^ z o" t7 U( g - return -1;
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H2 x# W) V, B% x- return 0;2 s$ I: N. H; c& e) @
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- int main()
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- char c;0 m6 _$ m8 W0 q4 T: d
- int i, macs[6];) b5 b `) e( ^$ ~9 @; q& `2 W
- unsigned char mac[6];
9 p& G8 ]$ {1 T- C0 K - unsigned char stbid[256];, r4 }. ~ H3 e4 j0 ^. l
9 q% S5 l, s- \, A2 ^: a6 p- if (readparam(mac, stbid) < 0)
" F4 g& e: U( {- O - return 1;
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- printf("Current parameters: \n");0 x' d3 y$ m' U, [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ _6 ]0 I7 R, G" i - printf(" STBID: %s\n", stbid);& P/ ^. b: P" i0 ~# j0 [' `" q
- ) d4 e7 R( i; t J1 Q" [
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 G" n* @: V2 A8 L- w" [+ y4 K
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( ^$ C; O) O3 [2 l# Z2 B - printf("Input MAC error\n");
5 ^9 E' M1 o4 ~ - return 1;
( m% N* Y( ~" Y u# B( G - }
; d j" I+ Q! L: s - for (i=0; i<6; i++)mac[i] = macs[i]; x6 b; b; @: @! i+ N$ b# H7 }1 I
- printf("\nPlease input new STBID: ");
7 x& Q8 q, W% G - scanf("%s", stbid);' t! ^, k1 O2 T# x, C, }) T, a' ]
- if (strlen(stbid) != 18) {5 b* L d/ T0 n( y! d
- printf("Invalid stbid\n");- U# Y: M2 k2 z1 u% g L% ^
- return 1;
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- printf("\nNew parameters: \n");
9 c7 \! k+ ^3 a: r J5 n. e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ `9 Q3 V9 n0 Q) J
- printf(" STBID: %s\n", stbid);
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8 P w a& k: _/ S. q A1 I- printf("\nDo you want to change paramemters? (y/N) ");! P0 R' U$ c9 A4 V. s
- for (;;) {
1 r ]7 O: r+ r5 q/ W - c = getchar();
4 P m. R7 b1 a, y3 ?+ u - if (c == 'y' || c == 'Y')
$ s" |0 X6 u( d9 j6 P - break;, v6 r- G% ?8 Y H, W! k
- if (c == 'n' || c == 'N') {4 H, R& ^/ h9 w
- printf("\nAborted.\n");, ~) b+ G' n* a
- return 1;
; w9 c7 z' @' N) k - }
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- if (writeparam(mac, stbid) == 0) " e* N5 i# O+ I7 J+ y
- printf("Parameters changed.\n");
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/ u- G' p: H( v! m3 X* x- return 0;
/ ^+ J& Q" x; d% T - }
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