本帖最后由 0522 于 2012-3-21 23:04 编辑
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& G& P: i- d: J i: w( |, C修改的代码早有了。到今天不会编译。6 N, K+ l- m4 N" {* |3 @
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) F: b9 J4 d" q) k7 P
- #include <malloc.h>
& E4 M* L9 x9 _( t w4 p - #include <sys/types.h>
6 }3 F* `6 ?, h - #include <sys/stat.h>
, x2 Z. E9 ~: a) X7 Z - #include <sys/ioctl.h>0 P }( T3 \! H, L8 h) J; ^5 B3 x
- #include <stdio.h>& W. e, _- S2 U- ?) L
- #include <string.h>$ u! m1 O1 ^3 I$ {5 b# U& n; M. t, A
- 3 i/ ]6 y( W5 r8 ~4 J
- typedef struct {
" _; w/ _4 j1 {2 C0 C9 j - unsigned int e2prom_cmd_sub_addr;1 O% D# J1 U2 Z5 A, L$ D% P8 g
- unsigned int sub_addr_count;( h2 P6 [& E1 [" B/ q
- unsigned char* e2prom_cmd_data;9 s; X+ v, c2 [7 x
- unsigned int data_count;
/ q9 h! y- Y0 e - } e2prom_s_cmd;
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6 P* H# O! m9 d& \- #define E2PROM_CMD_READ 1
) k0 J/ p- P6 r% u& a$ u - #define E2PROM_CMD_WRITE 25 Z* o A7 x, K3 ?
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)" z5 E, _& t/ v( O2 k' k0 A/ s
- {
' @, t' }% l: V - int fd, ret; c2 ^8 y1 s, m
- e2prom_s_cmd arg;' T- |) ]$ \+ W5 O- G7 E
- unsigned char buf[0x18];; @ W+ x5 p: \4 b
, D7 Y/ q Q; D4 t5 q9 g: j- fd = open(E2PROM_DEVICE, O_RDWR);& F! i$ Z& t5 C8 V
- if (fd < 0) {! x' b4 U5 Y* D
- printf("Device %s open error.\n", E2PROM_DEVICE);& ^8 S' z$ t. q0 @ o+ u3 G
- return -1;2 l6 w5 X. a4 k* w' V# K+ h% l2 D
- }) t8 ?% q! z1 u" F/ L1 m9 B
- arg.sub_addr_count = 2;
* g* y* S* A" X - arg.data_count = 0x18;
/ P P. r; {, G9 G( R4 W - arg.e2prom_cmd_sub_addr = 0x290;9 V" U( m- N: y8 p _
- arg.e2prom_cmd_data = buf;
; W+ e1 k) J+ H+ U) i" j - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' E; ^6 W$ M: m9 K - if (ret != 0) {
. ]! _. Q9 X# q; I9 [ - printf("Device %s read error.\n", E2PROM_DEVICE);# L* U4 [7 p6 j( ~ c9 J
- return -1;! W) Z+ `& a) I0 Z3 r. m" b- ?- v1 Q
- }
4 ?9 J7 v2 E$ l8 J( G - memcpy(mac, buf, 6);
4 C% j3 g# h7 n' B6 `; q1 f# o - memcpy(stbid, &buf[6], 18); c" s# Y8 s, `1 I
- stbid[18] = '\0';& z" B8 K9 F* P
- b) T6 I. K# f, Y. A( x
- return 0;
9 m6 V0 E7 I" c1 ^ ?1 i2 Z - }
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3 I: j: w/ r5 F5 e; L+ T4 U- i- static int writeparam(unsigned char *mac, unsigned char *stbid)0 q, O, ^0 b+ y: N* s" q
- {
4 Z& e) C, k' _* Y& ?; ]- d - int fd, ret;
; ^* U8 x8 m) T/ S4 d, X$ i - e2prom_s_cmd arg;' z1 e4 |- Z, h; S! W1 X$ C
- unsigned char buf[0x18];
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8 a- x) {) I8 q# \- memcpy(buf, mac, 6);
% k9 \" J! n* q* S+ y - memcpy(&buf[6], stbid, 18);: ?, n9 ?$ V0 p1 ]
- fd = open(E2PROM_DEVICE, O_RDWR);9 M4 K, i2 q9 R
- if (fd < 0) {
5 r' D- L8 y9 u0 Z2 q. } - printf("Device %s open error.\n", E2PROM_DEVICE);, B4 x, p4 G8 c5 x( C, L* q" l
- return -1;3 X! a0 V2 S9 y% ~ ?/ G
- }5 r& O9 D% [' o2 O2 ^# E! ?
- arg.sub_addr_count = 2;* v1 c+ b% V. F6 }
- arg.data_count = 0x18;
# F) t) g! o5 Y% @# E8 j B4 } - arg.e2prom_cmd_sub_addr = 0x290;
2 H! d0 U7 Y, C ^; m2 k p - arg.e2prom_cmd_data = buf;' J" |5 G8 ], x# K$ f! W
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" d) [7 P" G* T# @, A
- if (ret != 0) {
; f6 ?" \6 l! D1 J, {1 E - printf("Device %s write error.\n", E2PROM_DEVICE);, ?4 `% l" H. T8 U8 h4 f L" L$ S
- return -1;& X6 S1 v. B3 L0 @4 C
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. J- ^2 j p' W& N3 c% }' e: Z- return 0;
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. t( Y! w2 G& b, _" H$ z- y! K* V3 ~- int main()
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- char c;+ `7 ~6 o5 N0 x1 I% B
- int i, macs[6];
+ \, Z( b2 D8 s# A" b - unsigned char mac[6];3 @ E- j4 N+ @/ x
- unsigned char stbid[256];6 R! `1 J) M2 q8 C+ W4 U5 F; r
9 T& q/ L- o' x) t. S, _- if (readparam(mac, stbid) < 0)& }/ e! J# p/ h9 p
- return 1;; c8 w5 ^4 h. o) r+ c9 k% |
- o! |9 r- K- E1 }0 H- printf("Current parameters: \n");. r" W \2 N1 @1 h: P: w% S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 Y6 F# f6 s! Y3 l! E a0 a9 @) m - printf(" STBID: %s\n", stbid);- d |3 B* @! a( |9 r
-
3 l* a3 [) T$ d' F - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 z* q5 c& o2 f4 a9 m
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- u$ j/ ?& `8 Y5 h0 |- m2 \6 ]* b - printf("Input MAC error\n");
" E. A0 a+ W0 h* ?; g O4 Z - return 1;8 c0 V Q( G4 d. g, A+ |6 e
- }, S9 W& z* J- E, V2 ?
- for (i=0; i<6; i++)mac[i] = macs[i];
$ Q. [. I! `, | _4 J9 e# I5 D - printf("\nPlease input new STBID: ");. L; A: h. `; S5 x/ d( B1 r
- scanf("%s", stbid);
$ [/ M0 x* A3 h8 ~ - if (strlen(stbid) != 18) {
4 Z* g* E& Q/ z. p - printf("Invalid stbid\n");
3 a3 ~" W, T U, C3 A - return 1;- k: K$ K6 T0 h' X- ~
- }
2 y# y% P2 J9 G2 X* Q$ f1 z - printf("\nNew parameters: \n");
' g( p) w2 _7 D( H - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! M, F! `1 l; \2 ?. A# g7 Y
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");- k, i! ?+ j) E# w1 |
- for (;;) {
2 R2 s' S0 q7 c5 E) p3 U - c = getchar();
: t5 K5 m3 V. j& e3 E; M h - if (c == 'y' || c == 'Y')
! d8 x+ }/ N5 F4 c" n0 ?3 h/ u" {& C& t - break;
/ d2 \/ s4 j+ m U) o4 f2 o* ^0 W - if (c == 'n' || c == 'N') {$ k, B8 s) l' _: e3 t3 S" z' G
- printf("\nAborted.\n");
0 h/ V& C0 g! s- H! t! j9 o - return 1;; r& @# M4 e" e! M# r' ~. I8 U
- }
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- if (writeparam(mac, stbid) == 0)
& C* d9 T0 \1 Q4 h - printf("Parameters changed.\n");6 x" j" ?- ~" v8 h
- ! r/ O3 V5 a& u5 `
- return 0;
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