本帖最后由 0522 于 2012-3-21 23:04 编辑 / [' G0 ^1 v$ w# p( j
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修改的代码早有了。到今天不会编译。
1 B2 o- F( _9 R9 {/ |需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> l* O8 z: j1 H/ V$ w
- #include <malloc.h>: Q. r, h8 [' M( ]
- #include <sys/types.h>
/ Z8 a( I, b# R) B/ C& G - #include <sys/stat.h>
$ Z' V% Q/ a9 A# F - #include <sys/ioctl.h>! s5 |1 t/ L& z2 _! X& A
- #include <stdio.h>/ |5 J2 _% [5 c3 o+ n! _
- #include <string.h>5 g- S+ e$ H6 B. H: K
+ |! s/ W$ `/ R4 O- typedef struct {
( j$ ~( U6 b9 D- X - unsigned int e2prom_cmd_sub_addr;
' P" H$ o2 M4 O4 F# U+ c - unsigned int sub_addr_count;1 w! n4 g" [% s! {
- unsigned char* e2prom_cmd_data;
! o: S. i# a4 x& F8 L - unsigned int data_count;
8 y6 E3 Z& @' k" M6 E- U8 D - } e2prom_s_cmd; t0 M7 a5 v9 V% W: U
- 7 F- Q$ U: X7 D, {: I4 A
- #define E2PROM_CMD_READ 1
) G5 c* ?. F+ t4 j' W( l - #define E2PROM_CMD_WRITE 2! g/ Z& \9 ]8 x7 ?( ?3 p
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" U, z* Q# P7 J& G- c) m& [3 q
) M p6 ?" d# S# h: d8 k- static int readparam(unsigned char *mac, unsigned char *stbid)0 R! H8 U7 \' G$ r, ]. M3 q$ i
- {# q# O* W0 `9 l7 u( K
- int fd, ret;" ]: ] D5 n O( l. o' {) ^
- e2prom_s_cmd arg;
( {+ `) n5 n, }$ d# @* s) N - unsigned char buf[0x18];
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) T( _' o, u8 X& e' @; a- fd = open(E2PROM_DEVICE, O_RDWR);; n7 A+ k, I5 _, ^$ m* s* M
- if (fd < 0) {
2 Y0 t7 J& M2 V' O" w; E - printf("Device %s open error.\n", E2PROM_DEVICE);
3 t8 J8 h+ Y& o1 ` - return -1;/ x3 e( X4 Y1 p& Z C# S3 ^( v
- }! _7 a0 }& b' }. J
- arg.sub_addr_count = 2;2 j/ g! b: @: Q/ q( ~6 o$ P
- arg.data_count = 0x18;
1 @+ t* ?+ S9 U+ _) Y" F+ L6 @) q' ]2 n - arg.e2prom_cmd_sub_addr = 0x290;
# N3 d, i) E2 v, ^ - arg.e2prom_cmd_data = buf;
* U# R3 M/ {8 {& t+ M. R - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 z& V5 f% U r- L2 q - if (ret != 0) {
/ v5 d; Q3 ~$ ~2 @, Y) B - printf("Device %s read error.\n", E2PROM_DEVICE);4 T/ i; r5 ?/ g4 O, O
- return -1;6 _( B; k* ?7 w x* k, O9 L7 b
- }
# Y8 n$ B& a/ Q8 ? - memcpy(mac, buf, 6);
$ v6 C8 \! N5 I$ G! z) p - memcpy(stbid, &buf[6], 18);
j1 f4 @/ _- P - stbid[18] = '\0';
8 r/ v1 J2 n- G3 d" G$ X% H - / B1 ~' U; D$ i, z1 S) ~& k& j
- return 0;$ _1 g4 V3 r' \
- }- G0 ~" P* {) u; c6 c/ w
}0 F4 {' i' F" ?3 j, d+ f- static int writeparam(unsigned char *mac, unsigned char *stbid)
' V: c j/ z! [+ d7 @ - {
; ]0 q2 l6 o4 i - int fd, ret;6 x4 a/ A ?0 J! ]: j7 T
- e2prom_s_cmd arg;
% }0 @7 h; z9 g - unsigned char buf[0x18];
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' e) I. ^, c6 i5 D* w4 h- memcpy(buf, mac, 6);
8 }& e4 E7 ?: @, f8 F - memcpy(&buf[6], stbid, 18);7 u- a& ^- Y* O- P0 G) J
- fd = open(E2PROM_DEVICE, O_RDWR);/ W8 E/ x& E0 V& t
- if (fd < 0) {
3 q' B1 t0 W6 d, v$ l, s8 y; r3 U - printf("Device %s open error.\n", E2PROM_DEVICE); \3 }$ F" {2 b
- return -1;$ R j3 X5 S' s2 ^( ~
- }
' u' V7 {" u5 Q r2 c: \! r/ } - arg.sub_addr_count = 2;# }5 x6 {" A! t j
- arg.data_count = 0x18;& _! a2 z: W) ~0 \6 D. Q
- arg.e2prom_cmd_sub_addr = 0x290;% ~- p. Y9 u2 R2 Z
- arg.e2prom_cmd_data = buf;
5 A- f# e3 p: }1 e% M( b. k0 e0 z - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);# `. q0 a/ h3 u% S+ s4 L9 X9 s7 g3 \
- if (ret != 0) {
p% ~* x0 k9 K. W - printf("Device %s write error.\n", E2PROM_DEVICE);! g/ I2 z: ^9 I1 t9 c+ e# ^
- return -1;9 y5 m/ }# v) r. V5 w3 a( N
- }7 c( [7 E! P( o6 r4 j2 T' l$ c) u+ C. I
; H( s. M% m# `- return 0;
- z1 _; X% p4 K$ |, U2 V6 E - }
- E6 M' p7 z( }& C - 5 `+ m* K$ P6 O& D
- int main()9 T, |( M( V3 u2 s( Z' j
- {
0 X/ m E' [: A l' A! } - char c;
; b! r& k( e) F - int i, macs[6];/ C) o" n8 [( ]" j
- unsigned char mac[6];& F' S; Z5 q; `. t4 U! K; q# X3 k
- unsigned char stbid[256];! r; o; M/ l, v! F% b
- $ }; Z- Z' p6 @6 W& ~
- if (readparam(mac, stbid) < 0)
3 n% Y. p$ \- t( h3 f. } - return 1;& }* v. x3 u2 {) {6 j
- & N( m, Z p2 u. r4 F
- printf("Current parameters: \n");
+ q3 b- p+ V4 |# }# F! L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 ?1 ~* M/ E4 B7 l
- printf(" STBID: %s\n", stbid);
$ ~) G, R$ [; Y8 h# D( Y) \% h! r - 2 u0 s0 f8 ~3 D2 T
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 r- N& E/ p: c, Y% J$ b
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 l2 q) d7 J0 Y& Q$ C, u
- printf("Input MAC error\n");
1 y& y% J% l: j7 K0 j# w - return 1;3 [) k* @9 ?4 x1 Z: {: u. S. N% Q
- }
K9 z+ W G$ z! C - for (i=0; i<6; i++)mac[i] = macs[i];
3 V, I8 U# H' D& h) Y. z7 Y& w" y - printf("\nPlease input new STBID: ");
, n$ M/ I4 P5 K! |+ X. j9 d - scanf("%s", stbid);1 P$ H: h: H8 i( [' l8 ]1 K- g8 c
- if (strlen(stbid) != 18) {& ^: J2 @) b) }$ r% I/ l7 _
- printf("Invalid stbid\n");8 p9 n# n" t" [
- return 1;
, \: D* k! @! L: k - }
* Y) e, b8 D: F7 A7 w% S, Z - printf("\nNew parameters: \n");
9 T: r( R. H( a! b - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 t! E+ h" y( g" H+ Y4 {( Q
- printf(" STBID: %s\n", stbid);5 J" C* O- Z1 h6 s
- . a& p6 U9 Q# r
- printf("\nDo you want to change paramemters? (y/N) ");/ @; ~1 c4 N4 ^& p1 D; s! P
- for (;;) {# ~$ O8 P+ e2 q+ B" f* V4 W7 x/ E5 G
- c = getchar();) o' G$ m, O. Q. q5 ^1 w
- if (c == 'y' || c == 'Y')
* O' k! o4 N9 ~! ?% _- b - break;0 v1 i1 A# `7 F k$ z
- if (c == 'n' || c == 'N') {) {: h& ]+ `# o" A9 R
- printf("\nAborted.\n");
4 l9 X C1 t- C& [; ]+ |" u - return 1;
6 {$ |& Q& _" c: o. g - }; W$ v3 J* V9 u4 P8 U/ Z) y) g& i
- }
3 I2 d6 a+ H5 n - if (writeparam(mac, stbid) == 0) ' O% W( c$ Q( E' p3 c
- printf("Parameters changed.\n");0 _8 s7 n- ]+ | P6 @' C1 x( c
- & I, H% [ H9 k
- return 0;
1 o1 s+ `# X/ n/ F* [3 X9 }, ~ - }
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