本帖最后由 0522 于 2012-3-21 23:04 编辑 , m1 t$ w- T, V/ A3 [, _1 X
) y, Y; x, `+ l修改的代码早有了。到今天不会编译。. c/ Y1 h6 y. ]4 N6 Z
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# q5 l/ q; B9 v5 E; J - #include <malloc.h>
' ~8 O: b4 i) Y3 Q7 k' h$ V R - #include <sys/types.h>
0 U& U2 h+ d4 }4 H" y3 y4 \ - #include <sys/stat.h>: |( H5 O9 ]) \3 O X1 y
- #include <sys/ioctl.h>
4 y! b ^ _/ A - #include <stdio.h>
1 e! A+ M0 O- L) F - #include <string.h>8 j( C4 [ i5 G5 T% V+ F
6 O6 m p3 J8 y) W: \" L- typedef struct {0 n' {- D' u0 H" S: o, }1 i n
- unsigned int e2prom_cmd_sub_addr;; p5 B2 j6 F- A) l- I
- unsigned int sub_addr_count;
# W- M2 ~7 L# P% I: w. z+ o# E - unsigned char* e2prom_cmd_data;# W: e+ v) x7 H. Q% I
- unsigned int data_count;
# _! n! P. N6 t5 e- N% ?4 b - } e2prom_s_cmd;. A8 z3 z. [: \* p! b
$ C4 q& h! i4 C+ u" J! e; f- #define E2PROM_CMD_READ 1. v: h- ]/ G g9 W: {$ c
- #define E2PROM_CMD_WRITE 20 ] h. ?: Y4 Z P& A! i8 _! i
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 {* J9 H" o* Z1 S
- . x1 k8 z2 W" y# H% }9 b) e
- static int readparam(unsigned char *mac, unsigned char *stbid)
0 o7 g6 O+ k& e7 B - {- e0 ?. G9 w: C1 f
- int fd, ret;9 X% [/ r1 @# w \' H5 h$ }
- e2prom_s_cmd arg;
! ?( ]/ j0 Q9 ~% o- a9 S% O1 A - unsigned char buf[0x18];$ }. U+ _' _) \6 B& V2 v3 [
! [& E/ p8 C- U- fd = open(E2PROM_DEVICE, O_RDWR);
8 I9 N9 A* e3 H: l; P" ] - if (fd < 0) {% s9 c) O! `# U- P E$ f' R. {7 i
- printf("Device %s open error.\n", E2PROM_DEVICE);
0 t1 o) R5 X" o. i/ a9 j" C; L6 K - return -1;
% u1 [2 C0 h C* V- I. ^ - }
+ Q2 h9 H1 W2 ]' ]( T) ] - arg.sub_addr_count = 2;: q5 P3 q1 Q4 l" ?. K* |
- arg.data_count = 0x18;
& _0 s5 d/ Z) p# R - arg.e2prom_cmd_sub_addr = 0x290;. C: ]0 m! N2 _5 s9 ~2 q" y. ^* B
- arg.e2prom_cmd_data = buf;, b, h4 T& l! `7 G
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);% h' E: T0 v9 V3 D# ~
- if (ret != 0) {
, b4 o, ?' t+ {0 O5 k8 Q" G - printf("Device %s read error.\n", E2PROM_DEVICE);
) J1 R1 R3 J! i& v- w - return -1;5 r2 q5 l% D6 N2 @2 q
- }' b }4 q f; D1 b" q8 z
- memcpy(mac, buf, 6);6 I" I+ ~5 R% `/ h8 }' D
- memcpy(stbid, &buf[6], 18);+ Z8 \4 i6 j8 d
- stbid[18] = '\0';
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& ]* [/ _9 ^; k- return 0;8 ?" ?* G* B4 v: l# G# g3 R
- }! [1 n2 @9 A/ f3 d
- " m# p6 x" N! }$ {5 v- p
- static int writeparam(unsigned char *mac, unsigned char *stbid)6 L7 j0 Q( T9 b+ `" {" k& c- g: ]. i
- {
, d1 N3 m0 ]1 F5 j* T. y - int fd, ret;
* `6 c9 m3 N- y C; N2 g8 u& M - e2prom_s_cmd arg;
! d6 }' F% y# r% i9 E, k: R1 o - unsigned char buf[0x18];
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" k0 `+ X6 `3 e3 x( o- memcpy(buf, mac, 6);! x, @+ i- ~. i. n/ u; c9 Y2 r
- memcpy(&buf[6], stbid, 18);
) n7 G3 z0 c5 @7 Q7 r' ?% q - fd = open(E2PROM_DEVICE, O_RDWR);
; v/ r6 p/ n: r$ w4 u9 U6 ]' T - if (fd < 0) {% j& s& M$ O9 a3 ^
- printf("Device %s open error.\n", E2PROM_DEVICE);) f2 S' E8 u& N) i7 q2 y+ X
- return -1;" y+ S2 q3 a7 Q- U- R- y& y
- }6 M* _1 ^5 U+ D% ^5 G5 P( L
- arg.sub_addr_count = 2;- e& K7 K2 Z( q' s
- arg.data_count = 0x18;; t: p2 c' g* ^! {
- arg.e2prom_cmd_sub_addr = 0x290;
4 P' q7 _# I1 Z - arg.e2prom_cmd_data = buf;
1 I' A! ~1 j7 e - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 K" B$ F; F4 e' @! |' i - if (ret != 0) {
* d3 t; X3 q! E) ]% Y - printf("Device %s write error.\n", E2PROM_DEVICE);
& J/ R4 ]& V2 A3 ]7 S - return -1;
! l/ P9 U' {7 W: v$ M% h6 J4 e - }4 ?: @% |# [5 E- \
9 _0 r- o2 M' x1 H- return 0;
. n& v" W7 v& N8 l4 D+ E - }
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- int main()! ^7 u: j! e: ^
- {
, ]& | R7 k* o# f: k3 R: N - char c;
, h9 d) e, U1 K, V5 x - int i, macs[6];
( ]; I8 b' Q" a$ G' ^1 H/ e - unsigned char mac[6];6 R' o8 f& }" V" Z2 c0 e1 w8 F
- unsigned char stbid[256];$ ]: ]1 ]4 k U$ B& H# {+ P
- 8 F% P* t* x: B2 i% ?3 T$ d. k4 z
- if (readparam(mac, stbid) < 0)6 b) V6 [$ @5 G: c7 }' g8 H) F
- return 1;
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2 z0 ^) N+ n- H- J- printf("Current parameters: \n");* c+ T( C- B: T' A1 ^
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 d k) e# N1 h1 f1 d' ^
- printf(" STBID: %s\n", stbid);' \- r& c0 O1 \! d# g" k0 c8 ~
-
Q0 Q9 R% @: B8 T8 c6 A0 J( F) V - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- F( _9 z9 n& g X# K( ? - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) }7 y, t* b( k; C" ]1 L
- printf("Input MAC error\n");. R& k+ e2 h; |: Q" @
- return 1;
" Y1 y# o1 F* H! N7 G; J1 \ - }6 n; m9 A) _+ Y
- for (i=0; i<6; i++)mac[i] = macs[i];
. f7 _/ Y4 \. O9 O7 o+ | - printf("\nPlease input new STBID: ");
# x2 X: O4 |5 M3 |) V/ \ - scanf("%s", stbid);
) e. T6 l0 c2 E) I, z - if (strlen(stbid) != 18) {, L0 ?$ @% H& ]1 x% F1 T- j& _( e- {( T
- printf("Invalid stbid\n");- Y+ b) P; f* {9 y
- return 1;
# }$ b3 e. V D& Q j4 D - }
6 Z( I9 r, g# A# F% \3 u: L' e - printf("\nNew parameters: \n");# u9 W p5 {5 e, v" Y$ t6 C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" T1 N6 m. |8 v; g4 q" L - printf(" STBID: %s\n", stbid);
3 W6 H9 d1 N" I6 u5 S - 7 E! a( R+ p6 i* H
- printf("\nDo you want to change paramemters? (y/N) ");
+ P' N7 l2 B8 v- H- A2 o: r9 N - for (;;) {5 P+ w. q# _' r- p' g7 `
- c = getchar();
+ x. o8 f F6 o/ h - if (c == 'y' || c == 'Y')
! c; h+ Z4 T4 |6 u: Z8 e - break;
" k9 G+ ]* b" b5 U5 c - if (c == 'n' || c == 'N') {( D1 b* [, \" U" y' h0 Q
- printf("\nAborted.\n");
! N& T4 i2 F- l$ x* v k* Z4 K - return 1;; n5 h+ h" y- v- C& [6 A
- }. Z) y; ?9 u8 C, l9 u
- }
: q# Y$ ]2 C2 f2 ~ - if (writeparam(mac, stbid) == 0)
( ^9 p. ?' N/ D0 v- d - printf("Parameters changed.\n");2 s }) g! f& Y; h/ [& @8 Y3 C
- . i7 M& A+ Z- O/ Y4 p$ F
- return 0;5 t, V% f( U \- }
- }
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