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。
6 }% a$ q& z, ] s8 ?! r: w( c8 u5 z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" O/ A3 l9 }/ j$ P) K' y, K - #include <malloc.h>5 \' @" `' ]$ A6 d: X" L
- #include <sys/types.h>3 Z* t# r' R4 C: E! n3 R0 y& b
- #include <sys/stat.h>" Y' s; } A4 {' u; h
- #include <sys/ioctl.h>
$ k$ a# n. d" M& F - #include <stdio.h>
* i5 l' ]' F q& J# {. D - #include <string.h>) l6 r7 c! N X
- 2 R, b- b/ t1 B* ~# |
- typedef struct { l+ J' T' P E& L: v3 a# D7 D
- unsigned int e2prom_cmd_sub_addr;; @/ F# d. m5 @- F; L+ t
- unsigned int sub_addr_count;1 o# K5 l/ `! k& W% H
- unsigned char* e2prom_cmd_data;
7 ]$ v z+ x* x2 Q: k - unsigned int data_count;# Z b3 d; H" m$ T- j6 E
- } e2prom_s_cmd;+ i3 ?3 ?3 i/ r5 \2 i1 W7 v& F
: k- b( Q- \4 x1 O$ M8 k- #define E2PROM_CMD_READ 1 H% `1 B% N. d$ g1 y0 n
- #define E2PROM_CMD_WRITE 2
' d) w# _+ m6 R/ p - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid). i$ A1 o" u {7 N- D; m# A4 i
- {
9 v1 U, N" G3 p, u - int fd, ret;: ?" @' Y' D; Q) o& |% s% ^7 T; F
- e2prom_s_cmd arg;( a' ^2 q- e0 H0 {' ~$ Q4 p& S) y% M
- unsigned char buf[0x18];
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* h; u9 T3 R& k- fd = open(E2PROM_DEVICE, O_RDWR);
! M5 L5 I( T. c% h$ y% P2 M - if (fd < 0) {% A$ @; W8 l0 A* ?( G
- printf("Device %s open error.\n", E2PROM_DEVICE);
; Y& o( V& m Z) p5 f" M- J) M7 I - return -1;+ K% D- K/ Y% h/ D" V6 M$ w4 t" F" p
- }
, Y. A9 L G& y7 T - arg.sub_addr_count = 2; J! y2 J/ W+ k0 ? |8 H3 Y
- arg.data_count = 0x18;
4 Q" u: P5 h4 x5 S3 P9 s; ~ - arg.e2prom_cmd_sub_addr = 0x290;
* O. g( A6 w* Z k* m- _9 l - arg.e2prom_cmd_data = buf;- v% ~" V$ a) x0 M
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);" r; d5 G5 p% ]# ^. ]! s A- O4 `
- if (ret != 0) {
# j9 G1 _0 ~9 X+ r$ |6 n - printf("Device %s read error.\n", E2PROM_DEVICE);% C/ A5 ^0 C7 F
- return -1;
# \$ {- O$ M. F6 W# G) Q* c - }
, Z- N/ a$ s" ~# E5 N* } - memcpy(mac, buf, 6);$ l6 {4 m, Z- i+ X2 U% G
- memcpy(stbid, &buf[6], 18);' L# D$ Q+ y0 P# ^
- stbid[18] = '\0';
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' L& ]* ~4 y' Z) r2 k5 o) d- return 0;
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- 9 \* v# x1 G8 p* P X9 k
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;$ r* a# @$ {5 p) u
- e2prom_s_cmd arg;
4 r, N7 H4 B7 h( R - unsigned char buf[0x18];7 m8 f) K, D( R+ j
- . E1 s( Z. w6 T) @: Y( \
- memcpy(buf, mac, 6);6 z) Y- I3 h: Y, A2 U$ H+ K
- memcpy(&buf[6], stbid, 18);
% W4 W: ^% E# {7 n4 w) D - fd = open(E2PROM_DEVICE, O_RDWR);
! ~& q* [, |( f8 @ - if (fd < 0) {
p; _3 C6 o$ f+ a, _ - printf("Device %s open error.\n", E2PROM_DEVICE);/ A3 V" h: a3 w7 X) m" ^
- return -1;
5 f- b8 v6 }! A- G - }0 w; a: V' u+ }
- arg.sub_addr_count = 2;1 t( B3 j8 E9 g
- arg.data_count = 0x18;: V M* A' o4 b, {8 A
- arg.e2prom_cmd_sub_addr = 0x290;' H. P' z* x" c; A4 g' b
- arg.e2prom_cmd_data = buf;
- E% c% i! O5 j( d* b- Z$ H2 b - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);0 b, K, x6 x( J9 D+ K/ j2 N" m, m
- if (ret != 0) {
! G$ ~. `/ E* g1 x - printf("Device %s write error.\n", E2PROM_DEVICE);
3 g: s# i" R1 c - return -1;. `8 }4 N9 }3 ~+ U. c$ v4 a% z
- }
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$ ~) E8 |( I+ c' D3 @! {6 x$ D$ j- return 0;* @ |8 E7 R) F% @1 j, r
- }
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- int main()6 M4 h4 a: q2 a1 ? c6 O
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- char c;/ L0 t$ h( ^ D R/ L
- int i, macs[6];
: ^$ B0 t5 Y1 J# o/ z+ T - unsigned char mac[6];, h: \+ r8 I2 n x- A
- unsigned char stbid[256];) b3 q+ m- ]- i8 c; s
9 M+ j* \% n% A3 R- if (readparam(mac, stbid) < 0)
6 z; Z( C6 x/ L9 e- v( _4 h - return 1;
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- printf("Current parameters: \n");
m; t$ x% j; D7 W# w8 u - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) I' S% f1 D+ \8 {% Z# W
- printf(" STBID: %s\n", stbid);
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+ s, X; x r4 M) @1 |3 K - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
; G* S3 }7 w5 e9 a! y& V7 ?: c - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {- a( U8 X1 ?1 J. D% e
- printf("Input MAC error\n");/ Q4 [* x L; o$ z; P% ~
- return 1;" W& b, N8 W; c- l J+ S
- }
' O, z( x- K' t6 m - for (i=0; i<6; i++)mac[i] = macs[i];" h* v1 {. A$ y( A/ e# g5 u
- printf("\nPlease input new STBID: ");9 D$ O) q. _( u5 R2 ]9 F- s+ R/ ~
- scanf("%s", stbid);
" h" W8 \6 e. y; u6 t% v - if (strlen(stbid) != 18) {
* z0 T" q6 W- g6 N- f - printf("Invalid stbid\n");6 F# ]2 P5 }# `7 t0 q
- return 1;
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- printf("\nNew parameters: \n");
) s3 p% J" H' b! }% d - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 X F. z' V9 {' Q4 v( X - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
2 X" \! }, w$ t, t2 p - for (;;) {
0 B# c% u8 S0 X; y - c = getchar();2 e, g- d0 a) z
- if (c == 'y' || c == 'Y')8 q& B7 m$ R. m
- break;
' B q7 P4 K$ y- O - if (c == 'n' || c == 'N') {0 c9 C0 w7 P e; B8 W
- printf("\nAborted.\n");" D6 ]) r. c* d- [" I$ \; q
- return 1;
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- }
- v3 i) ^. F1 p& G7 l. V, f+ c - if (writeparam(mac, stbid) == 0) 1 I' E5 E7 Z7 J2 D# G- j
- printf("Parameters changed.\n");
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- return 0;9 \( M! w1 O! K G' T* g
- }
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