本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
0 I- l" P) e% O0 z! Y需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" N2 t! \. f8 P) p! O6 E& n - #include <malloc.h>
# [! E6 I w6 x: i2 Q7 s2 R* K- y - #include <sys/types.h>
J" ?' S1 X% Z1 A' Z. ] - #include <sys/stat.h>: q9 O) u% x$ ]3 c& e
- #include <sys/ioctl.h>/ i! S% h8 y$ _, Z: n+ O# A
- #include <stdio.h>! r) V$ c6 K; E9 \ m- ]7 i
- #include <string.h>
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& n( N4 g* _, F- typedef struct {
( O6 Z1 h) P8 ^- b - unsigned int e2prom_cmd_sub_addr;( G* D( I: |# q7 i: V: [2 w
- unsigned int sub_addr_count;; J& b# M1 R X+ \# L/ v p& Y5 K
- unsigned char* e2prom_cmd_data;0 n) J7 b5 S2 H- K' |% l1 q
- unsigned int data_count;9 i. t; S- {" `6 C0 @- q
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1: @8 j. z, I* D! T3 @4 Z" g
- #define E2PROM_CMD_WRITE 2, ?' N# d4 h1 |' g( \6 s
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ V0 ?" M3 v+ ~' T% S* o! @: `
- : `4 `$ ~. l) w) P+ R. _1 H
- static int readparam(unsigned char *mac, unsigned char *stbid)" { v' i) |$ h1 w! ^
- {
4 v' F+ _, G3 y& U5 m* U0 m - int fd, ret;
- L0 e& z& s# S! I0 D' M - e2prom_s_cmd arg;; V) y8 C! d4 `% s
- unsigned char buf[0x18];! L$ t2 c$ {, D9 _( i
- " E8 e d' X* i8 h @
- fd = open(E2PROM_DEVICE, O_RDWR);# g2 a# K4 P, c* T
- if (fd < 0) {3 j8 N% B: _; q3 |' p
- printf("Device %s open error.\n", E2PROM_DEVICE);
- h/ T' H, D$ f/ I4 ~: g8 {& ~ - return -1;
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- arg.sub_addr_count = 2;
0 J' |' ~! i8 A( z% \1 T - arg.data_count = 0x18;
% K: G! s% ]; e% T' ~ - arg.e2prom_cmd_sub_addr = 0x290;
2 S" Q7 i) b% w- u: _ F - arg.e2prom_cmd_data = buf;
" b1 ^! \8 q" O. \ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
4 V/ w s* M6 A" |3 y - if (ret != 0) {. a. ?# s% o# l# z- R" q+ X9 N- J
- printf("Device %s read error.\n", E2PROM_DEVICE);6 H P' y5 `$ V# }
- return -1;
$ A+ q5 R) Z1 ^! `1 Q' q3 n - }' G W! _* N. G! P S6 ]
- memcpy(mac, buf, 6);
3 A6 ^4 k1 w! Q& T' H4 b - memcpy(stbid, &buf[6], 18);( M& r* ^) Q2 I" _( t+ A, T
- stbid[18] = '\0';
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8 z1 w2 R6 \% p: K( U- return 0;
! @) b: M: X$ Z - }
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/ y6 K4 Z4 H/ q) N0 |5 _0 q' e- static int writeparam(unsigned char *mac, unsigned char *stbid)3 l8 Q4 q1 h" O, j! Y7 K
- {
$ ~% R; ~ x `3 S* B - int fd, ret;) Y: }8 U' M4 g) |9 r
- e2prom_s_cmd arg;/ o) h1 J- V- Y) k4 i: a
- unsigned char buf[0x18];) b* r2 K V( e& y" m4 C! y
4 `3 m$ \) B. i* g- memcpy(buf, mac, 6);0 }1 T2 w7 U L) a
- memcpy(&buf[6], stbid, 18);, J" C; A" q, z' h! @: u( p- Y7 e
- fd = open(E2PROM_DEVICE, O_RDWR);
2 @8 m9 g% `0 G; x3 F - if (fd < 0) {
: E* y" ]. b1 _/ p) K+ T- k8 n - printf("Device %s open error.\n", E2PROM_DEVICE);) n, M5 n4 b8 j, X! A) k
- return -1;
. K- a' c6 m) E! _ - }
1 L, c6 }$ P8 M5 t O. y0 I; s& V Y - arg.sub_addr_count = 2;! Z* V; y4 `% H- R& F1 P! Q
- arg.data_count = 0x18;6 R A7 s% o& K. b1 B
- arg.e2prom_cmd_sub_addr = 0x290;& H+ ]4 F& ?" [( y! q$ q# i# P
- arg.e2prom_cmd_data = buf;
' a$ h; t U& l6 N - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);6 E% a6 M6 |) n I' ^1 J& p- D
- if (ret != 0) {
6 `( Z! Y$ N1 R. ?3 O% f5 X, W - printf("Device %s write error.\n", E2PROM_DEVICE);
/ V* W4 t) M& J$ Y" W' H7 Y: ~; p - return -1;
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6 l+ T' g/ @$ Z' C6 ^/ K- return 0; `8 j. B/ D4 Z9 }- I
- }
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- int main()
( ?. [5 r8 U, ^2 f' w3 v; }) K0 a - {
9 J/ W, ^1 V( T) g7 D' L - char c;
1 I: S0 i# E! M) `/ ?8 e2 P - int i, macs[6];
9 P0 ~1 p* o; `5 V - unsigned char mac[6];" M& I9 v* ]" S# p! T
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)! Q& P8 E) U1 X& J, f6 U
- return 1;6 R2 E& A3 a0 I
- 1 @2 D4 U$ r6 I
- printf("Current parameters: \n");
, e, O! L: }9 d0 h - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" ?" ?0 G# `4 d
- printf(" STBID: %s\n", stbid);5 h8 p" ^, H" }
- + s# k5 _: n( Z0 N+ H
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ S4 k( S6 w. Y3 R2 T - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 T4 n2 D8 M% ?) |6 Z# |* @
- printf("Input MAC error\n");/ b* h# ~& f: g! n. ?% D* a
- return 1;, C6 p+ S7 L. v' s( ~
- }
; |4 g1 J+ N$ F" E. \$ }) V* j8 i - for (i=0; i<6; i++)mac[i] = macs[i];3 f) ^# _0 x# Y# |
- printf("\nPlease input new STBID: ");
% P# `. u+ L0 I; { - scanf("%s", stbid);
6 ]3 H' y" f+ x% @; V - if (strlen(stbid) != 18) {6 h/ `( r5 H7 z2 Z
- printf("Invalid stbid\n");* K9 n5 m w) b. r8 @
- return 1;
/ l' j* H. m+ y* @9 y* n5 [- z9 K - }
$ X* Q6 J- U3 y - printf("\nNew parameters: \n");
8 _9 J5 P2 I9 p P - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: n5 A2 ?. Z2 y' o: I$ S9 ]
- printf(" STBID: %s\n", stbid);
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F2 b6 h3 H8 y. E6 U/ p; R- printf("\nDo you want to change paramemters? (y/N) ");
6 P) D2 I( i+ [0 @$ V3 M - for (;;) {' Y+ ]4 w. x& J; x
- c = getchar();! S* o4 Y. X! E9 f& i* S0 Z, {
- if (c == 'y' || c == 'Y')
6 \% f! {0 E- D( F! e0 c- ` - break;
4 q1 r: r0 z' q- c* I5 N# t! m9 r - if (c == 'n' || c == 'N') {* \, G# ?# ^- R n% ]: f
- printf("\nAborted.\n");
7 e+ Q& R- G: p - return 1;
5 P, d" o6 G" I! x: c7 \- T - }
, q2 g) u& U! K0 r. { F - }
y6 Q) z! G/ h' U" h/ z - if (writeparam(mac, stbid) == 0)
3 f, E3 p: X* T$ B - printf("Parameters changed.\n");
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; k z) |" D/ j: M- return 0;
Z, Y4 h3 E& p u$ H. u5 v; K - }
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