本帖最后由 0522 于 2012-3-21 23:04 编辑 # l! h7 w f' L9 y- d4 E" L9 E8 ?: x
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修改的代码早有了。到今天不会编译。
0 k, e9 \) M6 K需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( F6 I8 ^7 _# C3 s. k - #include <malloc.h>" A% ]5 ]! K+ W9 D: E# I
- #include <sys/types.h># J5 a" x; ~3 b7 x' [/ a o/ M: q
- #include <sys/stat.h>. d" W- P0 L" @5 Y
- #include <sys/ioctl.h>; H2 a# P/ ~6 c1 D* m* Y, P
- #include <stdio.h># D2 o+ n5 s2 z3 }, ?5 [
- #include <string.h>, z5 O% _6 s [2 W
8 k) i# X% s3 p% B5 c8 e& p7 g4 q- typedef struct {" R' F3 q, G* c' t; }
- unsigned int e2prom_cmd_sub_addr;( T& w c( E- m! ?3 {
- unsigned int sub_addr_count;1 y; q$ |- x& O. G& F+ T
- unsigned char* e2prom_cmd_data;' t5 o9 A3 x$ v: H) X5 h! T
- unsigned int data_count;* G1 a# X" Z" @& J2 i( u
- } e2prom_s_cmd;2 r$ x+ E7 X" b5 R# G, F( V
6 z$ H; ]; g" H$ n- #define E2PROM_CMD_READ 1% \; I V3 e4 k+ S; I3 ^
- #define E2PROM_CMD_WRITE 2
3 e- ~1 y: {' q2 M; ~" [ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"+ h( J! j' W5 h2 s: q7 O, a
- ' d; V0 X/ c/ |
- static int readparam(unsigned char *mac, unsigned char *stbid)) Q/ a. F" ?% {. g. D/ [
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- int fd, ret;# w1 d7 h" ?: N0 F0 Z5 @7 h
- e2prom_s_cmd arg;
& c' ~. `" G& T( o1 k% V; v. G; T - unsigned char buf[0x18];
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+ B$ Q$ y1 D: J# S* M/ m- fd = open(E2PROM_DEVICE, O_RDWR); L i: l! p1 u: j! ~( N
- if (fd < 0) {
7 ~8 o8 ]6 o* G& O( Q - printf("Device %s open error.\n", E2PROM_DEVICE);, D% V0 y- L, M
- return -1;. y: s6 v8 ]6 j. H4 i
- }
2 E6 Z$ R& X: Z - arg.sub_addr_count = 2;6 ]# o1 o7 m; s* a4 m
- arg.data_count = 0x18;
+ Z6 ^+ q4 V, _& d+ H, q' ? - arg.e2prom_cmd_sub_addr = 0x290;
6 ]8 R) v3 G' w' N+ ~: D - arg.e2prom_cmd_data = buf;
5 V/ P1 M- h9 v - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ I1 i7 r- H1 B, Q0 N* Y! s - if (ret != 0) {# U* n, @8 S" p8 b& g# V, |/ w3 C2 ~
- printf("Device %s read error.\n", E2PROM_DEVICE);* o" _8 w/ I# l0 I& {2 ]7 J$ h. u
- return -1;( `6 |' X' ]# h- j1 h
- }
2 S3 }5 K4 N& c - memcpy(mac, buf, 6);
( t( k, }/ G0 v( Z+ b( |4 I - memcpy(stbid, &buf[6], 18); f1 M% }3 U* a; y( h
- stbid[18] = '\0';8 H3 ]( Z; C$ E- M$ m" ]& w
- + U. l$ k% }8 a/ W# Q! q8 r6 `
- return 0;
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- % U# l! J) s* k0 O+ z* a8 @ K
- static int writeparam(unsigned char *mac, unsigned char *stbid). x! M, ~+ |3 D9 [* |
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- int fd, ret;
+ T) C0 i; }, I# I7 X6 o: N - e2prom_s_cmd arg;, I# {3 S; b1 V4 N! j# Y8 R
- unsigned char buf[0x18];( ]& P5 r; M6 N9 z) z3 j s
2 e; O* F- y& m- memcpy(buf, mac, 6);; E2 E7 Z- m3 _& j7 I
- memcpy(&buf[6], stbid, 18);
' x f6 w$ a7 _ ^' v8 v' h - fd = open(E2PROM_DEVICE, O_RDWR);0 \- N. M; n3 v; u
- if (fd < 0) {
5 h. B: w9 v$ X8 v - printf("Device %s open error.\n", E2PROM_DEVICE);
) R* j0 J7 N6 O3 ? - return -1;9 n. _( R. A" M. X2 r
- }
; f P+ x+ b. f2 }7 o% \0 _ - arg.sub_addr_count = 2;
" F O+ z# y- X9 n - arg.data_count = 0x18;
3 `8 [/ \* N; C0 ?- w# |( S - arg.e2prom_cmd_sub_addr = 0x290;2 p1 t- q& J8 b- q. p
- arg.e2prom_cmd_data = buf;2 q! p! d, S& h* q' {; \4 n T
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
: O5 ]6 y7 W! c p" ]7 c - if (ret != 0) {, j* i' V/ [0 ]0 S0 j
- printf("Device %s write error.\n", E2PROM_DEVICE);3 {; P% a- c9 {2 S0 i, ^* Y+ f
- return -1;2 U4 } q' S8 J- \# M, C
- }4 ~9 O" O% Y% ]4 j5 \7 ]
- . ?4 k: D. x0 d
- return 0;3 S3 m$ x: j( N( q9 a
- }" k& m! }, T+ g9 l) H# U+ r
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- int main()3 G) r7 |2 l \# e( S" v
- {& W* r1 j8 K0 q0 [, T
- char c;" Q: { w' y% y7 L
- int i, macs[6];
) v) Q& n! Z; W8 \ - unsigned char mac[6];
- Z6 }3 p3 s8 h& n. M - unsigned char stbid[256];( b" j/ i% V7 Y: q
9 m. P+ Q& x5 y3 w" L& E: V/ f- if (readparam(mac, stbid) < 0)
; V1 o9 o; ^' g: n/ R* ? K+ o - return 1;: {' Q4 N- }- ^5 z% H4 f9 O
- : a, d% F& G$ s" e$ T4 `0 c7 |# `
- printf("Current parameters: \n");) t; m: ~2 L0 M3 i. }7 X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# {2 h q& h' p# [5 e
- printf(" STBID: %s\n", stbid);
( i3 Z1 P% _" R: n6 Q7 y -
7 G' Y. o' `( N2 K! E - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
; A1 w) g. u! g5 }4 S3 @ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( p9 y/ P/ F9 r) t2 C/ D/ q. X- v - printf("Input MAC error\n");; A8 e! }, X! P0 z2 q* |
- return 1;' I5 C5 t* q- z2 z4 y9 ~' {0 g
- }2 H7 t9 }/ o; r' s2 P3 j& Y
- for (i=0; i<6; i++)mac[i] = macs[i];2 v& i0 F$ Y$ @1 u) k
- printf("\nPlease input new STBID: ");) T( m, O( X) Z* N# p6 H
- scanf("%s", stbid);
* N# F. Z l3 S9 ? - if (strlen(stbid) != 18) {
5 L0 k! a8 Q& H0 \# e$ q& P+ i - printf("Invalid stbid\n");# h/ f# @) T; r1 p
- return 1;
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- printf("\nNew parameters: \n");9 u; u: U; V5 \' _4 L3 ^' e2 ~0 C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* S9 A8 j0 z* F5 I) C - printf(" STBID: %s\n", stbid);
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' a0 b N* U0 B P7 P7 l( A- printf("\nDo you want to change paramemters? (y/N) ");+ `* ?$ K. _8 x# }7 P
- for (;;) {
/ t" _. i/ l. C; N% j/ ~ - c = getchar();! O v, p6 [- h( S; m; N' J
- if (c == 'y' || c == 'Y')
, q6 k( p x8 y7 J# d - break;
! k3 z9 h: r$ a - if (c == 'n' || c == 'N') {
+ B3 Y! i# D8 q1 u5 [2 E - printf("\nAborted.\n");! I6 H4 D4 v$ }; t$ W# V* {* Y) m: m
- return 1;
! K3 t& x, t! h d - }
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- if (writeparam(mac, stbid) == 0)
, [9 q/ c( D8 d( e6 C - printf("Parameters changed.\n");1 k, ^, l) B4 i6 M$ l
- , ?& J9 l: W3 d: W
- return 0;
8 y2 l' L8 @7 X. x" m) V - }
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