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。& g+ z; ?4 r5 `8 J
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* b9 B1 |# Q- {- l/ C# `
- #include <malloc.h>2 { n! Y8 |1 Q' e( T. B
- #include <sys/types.h>
; y0 L. P6 p1 Y9 n5 z3 `; j" D - #include <sys/stat.h>- X7 \' D6 v3 `" x1 ]+ ]
- #include <sys/ioctl.h>* ~! ?8 p5 J7 c; n! R, \ ~/ e G
- #include <stdio.h>* q6 V2 c0 f& c" p: p+ _* R0 [; `' N
- #include <string.h>
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6 s- E/ J7 c, V1 ~! G- typedef struct {
9 p% u, t: a8 I2 `4 w* A - unsigned int e2prom_cmd_sub_addr;
2 X( O: k: V& a/ L( J4 } - unsigned int sub_addr_count;
( X( X6 W! e4 t/ g N8 T' K W - unsigned char* e2prom_cmd_data;
' _7 C7 {& \# g2 g. V+ j: U - unsigned int data_count;
t* O, c& O1 V% n" @9 z. N; X - } e2prom_s_cmd;
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7 {# h) J4 `' i3 i- #define E2PROM_CMD_READ 1$ j* L1 b" |4 c: P& L6 F5 A5 p
- #define E2PROM_CMD_WRITE 2
a0 ~, i f, C - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% A7 }7 T! i- o, u
; O+ F7 M& l: X2 ~/ ^- static int readparam(unsigned char *mac, unsigned char *stbid)
) ?7 a4 X0 u3 V N$ u$ W - {1 b# W# |2 g1 \
- int fd, ret;* R9 k5 n1 d6 q+ @& l/ G% H
- e2prom_s_cmd arg;
4 [" Y7 W! p3 |3 c - unsigned char buf[0x18];2 f+ r" q z+ D$ H
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- fd = open(E2PROM_DEVICE, O_RDWR);
& b( { J ?+ ~- v - if (fd < 0) {; ?7 L- @7 c L$ h8 d4 y8 _
- printf("Device %s open error.\n", E2PROM_DEVICE);
( y; U5 Z. A }* j9 X6 d - return -1;. T g' A5 X# m! n
- } G7 g s: v7 Q
- arg.sub_addr_count = 2;$ E$ J0 Z: v1 t& X8 |1 E0 \
- arg.data_count = 0x18;. {7 w: h1 P3 v" C9 A& l9 \
- arg.e2prom_cmd_sub_addr = 0x290;, u+ c$ g- t2 O3 O
- arg.e2prom_cmd_data = buf;
5 ~8 I w( ^* e& r" \" S - ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ Z3 N1 b9 G7 y/ j
- if (ret != 0) {
( a. i5 \; d3 d2 \0 v& S5 L - printf("Device %s read error.\n", E2PROM_DEVICE);- G+ H( F; q; f1 U
- return -1;
) p" n: p' a* K8 x: M - }
3 f- I l, p8 D$ b$ B5 u: a, ~ - memcpy(mac, buf, 6);+ }1 I+ ^' l* k6 Z, @! N" w
- memcpy(stbid, &buf[6], 18);
- Y' K/ p& o0 g% t - stbid[18] = '\0';0 L; M- x# V- ?# h/ R$ t3 ?9 u
/ f- U, G6 B6 L& |6 G. Y- return 0;- ] I, R* d# H5 u0 f0 u3 [' j
- }; P6 y h% ?" g3 e$ v
- 6 }* ?, F, s; m, T. C
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;& A- z- o" x% a8 P4 M
- e2prom_s_cmd arg;" o. J. y6 s! |7 _
- unsigned char buf[0x18];
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' Y0 H0 H% b4 Z( {- memcpy(buf, mac, 6);' K6 V' d* b) @4 V, ^
- memcpy(&buf[6], stbid, 18);
& r; ]# x3 a/ x - fd = open(E2PROM_DEVICE, O_RDWR);
: ]% ~% d9 e: Q - if (fd < 0) {
: g# M0 R6 I; s) i/ f - printf("Device %s open error.\n", E2PROM_DEVICE);
: r( O7 _* @5 ?" I$ c# [0 K - return -1;1 ?4 c( `* N2 j6 `
- }
! ~9 |; z0 E6 M/ ~0 Q7 O7 S6 G - arg.sub_addr_count = 2;1 P& I9 _$ S' ]$ C9 m
- arg.data_count = 0x18;
! L& u% f1 {5 v3 H - arg.e2prom_cmd_sub_addr = 0x290;
" r* t. l9 K: T: W! V Z9 D& g, U9 X - arg.e2prom_cmd_data = buf;
5 U$ q8 c I; A - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
: }! A# w9 [+ L' j - if (ret != 0) {1 x; R- n8 W" w
- printf("Device %s write error.\n", E2PROM_DEVICE);
! J G/ M# p* I3 E8 H* ?2 i - return -1;
- W- S/ O4 {: ]( J8 A% \ ^. W2 L - }
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- return 0;
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- + [2 K0 y2 [( D# k1 [
- int main()! K% H8 X4 K3 j+ }) w4 ~2 r! B
- {
# J6 \7 E& F9 ?6 K, [+ E a - char c;0 Q" n2 T: k7 p
- int i, macs[6];
) s9 {. c1 q! p" F# g - unsigned char mac[6];5 q1 y9 y- Y v9 B" E
- unsigned char stbid[256];: F. w& z8 R4 R4 y
- , | U3 O; z: c: M7 w$ b6 s4 o
- if (readparam(mac, stbid) < 0)* K( L p+ c2 S. Q0 P5 }
- return 1;" o6 e* H7 Y% t/ {& U3 q# i$ X: h
: n' c4 x9 @' h: N% a6 H7 e- printf("Current parameters: \n");. P* \' E, v" d( X2 R- I* m U' }
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); f4 I* u& T- O5 e7 o
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
. {- H5 i' B4 `! Y$ p8 k - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. [' U" O. R# f- G6 h8 l+ x" \ - printf("Input MAC error\n");
: U! Z. t/ y* Z- K" H9 m& m" t - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];/ h' e# \6 o6 H+ K
- printf("\nPlease input new STBID: ");
& o. J, {+ s+ I8 T - scanf("%s", stbid);0 x7 y/ g1 {2 s1 d
- if (strlen(stbid) != 18) {
$ N1 [/ G' @% L - printf("Invalid stbid\n");
' R+ O. A, X' z% x% x `6 ?7 y, [ - return 1;2 U8 m$ W( k2 f7 F8 x6 y# O9 I, F
- }7 B4 `1 w! |; C \( S+ R
- printf("\nNew parameters: \n");! Y' v6 N8 d, u1 ?7 s& Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 n; x, k( t2 M4 u - printf(" STBID: %s\n", stbid);
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. I) [4 G% y8 @) k$ o2 _5 M4 b3 T- printf("\nDo you want to change paramemters? (y/N) ");
0 `6 _% X# `2 s3 }4 m0 w' [& Z1 q - for (;;) {% S+ w$ @7 z& g" S' \
- c = getchar();! A5 I# K: Q5 K- d6 @
- if (c == 'y' || c == 'Y')$ z/ P# c. ^/ `. v" g8 n& Z' L
- break;
$ j2 ^9 b# X9 g1 g- e( R! \ - if (c == 'n' || c == 'N') {- Q9 ^% g, h$ q& P1 Z
- printf("\nAborted.\n");
( q3 I5 h1 @) Z7 P+ k6 z1 h4 u - return 1;8 w5 m# ?4 T# \3 V9 g6 t, G X
- }, g1 ~; c; v: D t3 S' z3 a! w
- }
3 R7 R7 y# X& L - if (writeparam(mac, stbid) == 0) & E, U, H* U: U+ }% t( \
- printf("Parameters changed.\n");# D2 V; T2 B3 B+ L) ~; l
- , q% w& {+ i) x8 V x# I! {
- return 0;; Y! F4 S$ C0 ?5 {/ U6 d X
- }
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