本帖最后由 0522 于 2012-3-21 23:04 编辑 A& K. T+ o' N$ d/ k! x
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修改的代码早有了。到今天不会编译。
* \* W2 ~2 N) l0 h4 M' a; H需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
. J0 L' R& k8 `; m0 @0 j {9 o7 @+ A$ J - #include <malloc.h>* s/ g6 y* A- p& P
- #include <sys/types.h>
7 z( h, A, Q! L5 d* v - #include <sys/stat.h>8 b7 ]' ]3 d( a* R
- #include <sys/ioctl.h>. K5 f8 N: Y4 J: s
- #include <stdio.h>3 {, i, f; r# I* i/ l' A
- #include <string.h>
# o/ h' S) a) f) o
% k" {! @3 W/ ~+ k( O- typedef struct {$ u' ?3 S% H5 B5 t
- unsigned int e2prom_cmd_sub_addr;0 t! l9 {% j2 W% l. B& T
- unsigned int sub_addr_count;. j& E' [ @; u$ A3 k
- unsigned char* e2prom_cmd_data;
/ s! x! N. m% r7 _5 i8 U - unsigned int data_count;
" D- T5 A2 b8 K - } e2prom_s_cmd;$ y+ ~3 h' [! C$ Z3 j
+ K, z, A+ E( R. P- #define E2PROM_CMD_READ 1
3 I; {& X1 ?( @ - #define E2PROM_CMD_WRITE 2, Q! ` {1 u: W+ D% ?! X) F
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", o6 E- x1 k# u3 a! ~+ ^7 l& E
- * A& Y9 a+ c0 A9 x% H
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;5 p. Q7 g$ h! k+ R
- e2prom_s_cmd arg;7 O0 E# P3 n& ]- u( j8 W3 `/ p" {
- unsigned char buf[0x18];+ G+ W' Z5 F* D0 @
6 |3 H0 |1 Q: W p3 `- fd = open(E2PROM_DEVICE, O_RDWR);
" n! x- _7 X. [6 r) h - if (fd < 0) {, N, h; a6 F9 h# O
- printf("Device %s open error.\n", E2PROM_DEVICE);/ L/ v7 |/ F9 C4 x) \- P
- return -1;, s! f( f) k. z0 [# i
- }
; \9 d% w3 X. Q3 L5 s* w: q1 H - arg.sub_addr_count = 2;/ z, A# H0 I& t0 s9 D
- arg.data_count = 0x18;
: ?" `1 Y$ A& g4 V% \5 z% L7 F. n - arg.e2prom_cmd_sub_addr = 0x290;
. {: E$ K& X/ p, C! r - arg.e2prom_cmd_data = buf;6 f$ H( p# o- s( t, z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ r( f2 G% J3 k0 k) h
- if (ret != 0) {
* x* @8 Z+ a- g - printf("Device %s read error.\n", E2PROM_DEVICE);
4 r. e X0 [2 \$ _, d4 Y - return -1;
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- memcpy(mac, buf, 6);& n0 f$ S- ~6 G) ]# O+ _3 B) V* W
- memcpy(stbid, &buf[6], 18);% |; ]$ m3 j( I: _6 n! b# f) {
- stbid[18] = '\0';: _* C1 F' h [: o a1 ~
& Q1 z) ^ }% G5 |0 ?( W- return 0;) p! A( x8 V5 [% f8 w0 r P' @
- }% l5 k- n1 N" k& A4 }# Z( ]
9 I+ v! t, Y: Q, k5 A- static int writeparam(unsigned char *mac, unsigned char *stbid)
# W$ k( I* f0 L2 e7 p/ O9 E - {
9 {" @: ~0 f% E- a1 D8 \ c2 A+ h - int fd, ret;
/ X& s' |5 f* N; i) e5 I- z - e2prom_s_cmd arg;) V% w& [& D7 s- t' b* c5 B
- unsigned char buf[0x18];
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7 l8 e1 h5 u( u: _/ X- memcpy(buf, mac, 6);, t* @6 v, {5 I; K! o9 i
- memcpy(&buf[6], stbid, 18);$ Q( T) g {+ g& T) C
- fd = open(E2PROM_DEVICE, O_RDWR);3 X; p' X6 |. S6 k
- if (fd < 0) {
% g+ m( K! o8 L2 D - printf("Device %s open error.\n", E2PROM_DEVICE);4 K. o8 B1 `8 t
- return -1;
) x4 T4 V: e. k1 O - }
. E: y& \2 H+ W1 w& W - arg.sub_addr_count = 2;
: ]) n- ~% v& I7 m - arg.data_count = 0x18;' T& a( F& W$ q3 D: K
- arg.e2prom_cmd_sub_addr = 0x290;
4 X, `) Q7 @" _( v5 n2 G7 ~ - arg.e2prom_cmd_data = buf;. e* R. e4 w- Q9 ?6 _/ C& [
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);7 s5 T. y" j2 ?
- if (ret != 0) {) N0 k; {0 c6 e1 @
- printf("Device %s write error.\n", E2PROM_DEVICE);
% r% n2 Z: e. P" j* d$ t m. x7 Y - return -1;, Z3 {) c+ V$ c: d7 W5 W m
- }; c$ r* i0 ]0 l6 n5 I
- ( v) ~3 Q7 R3 A( e7 k7 u
- return 0;2 ]# s* u0 d1 Y8 H# E" S; |
- }
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- int main(), r% J* P `$ P
- {6 R8 j4 o7 a2 }6 P
- char c;
* M2 a8 k3 I. r6 u9 ^ - int i, macs[6]; S1 G2 k3 T/ ?. I
- unsigned char mac[6];& V8 h1 Y3 M7 C3 H* x# s$ V
- unsigned char stbid[256];' ?0 D! [. A( l- e" H2 ~2 g
- E6 f1 g/ } x9 T# Z+ z; l- if (readparam(mac, stbid) < 0)
/ `8 u6 v! z4 `0 y/ j - return 1;
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! n% X6 D8 v" z$ M, s0 q- printf("Current parameters: \n");
2 [# f6 R5 ~- v - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 h3 P6 |& j- C" L/ L! p4 X1 u - printf(" STBID: %s\n", stbid);0 s4 ~4 v2 Q0 w {( x, _
- : t$ B. U( L4 ?1 V) D
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ [' q: R2 K6 Y- i+ k$ u5 L) R8 W
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 Y* k! U& S3 {" _0 o; g o' C
- printf("Input MAC error\n");
2 ^4 {$ ^+ [7 x8 \ - return 1;$ d/ T+ ?( G. c+ |
- }
6 ^5 f$ D0 h9 R* F/ u - for (i=0; i<6; i++)mac[i] = macs[i];# d$ t+ F6 P& G& l& G
- printf("\nPlease input new STBID: ");
' H! ?$ T! A9 {8 x5 P6 t$ Y0 B, c - scanf("%s", stbid);
0 D1 S2 G$ t! I' C: g, c/ u - if (strlen(stbid) != 18) {
% e9 J0 x7 q* S1 b - printf("Invalid stbid\n");+ b* h+ v/ t" h2 ^/ ^3 g* a K
- return 1;2 S; |/ U( M- z0 I
- }
" `" }4 o$ G" b. J1 p% z1 { - printf("\nNew parameters: \n");! _* ]4 F0 M3 J* m* K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& J6 \2 I7 q7 Y1 C+ J2 b - printf(" STBID: %s\n", stbid);
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7 E% t: C; m" g/ S. S- printf("\nDo you want to change paramemters? (y/N) ");. M. ]# `; B2 {$ J- U8 s- C
- for (;;) {! A8 \" j) n. W4 b1 ] T
- c = getchar();
' f, @( A# s0 \* ]7 z: ~0 n - if (c == 'y' || c == 'Y')9 i! O O+ K9 o
- break;
4 ?' d* c. G( v N - if (c == 'n' || c == 'N') {1 Z5 c# m L4 \4 p2 f: Q/ |4 Y! U
- printf("\nAborted.\n");
1 L! z# ~& y4 V - return 1;
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- }4 K1 `0 z% Y8 ~9 s: K. n; A4 {- H
- if (writeparam(mac, stbid) == 0)
) q- v" q. p$ E& t( X2 [( Y - printf("Parameters changed.\n");) f: t$ ?9 H9 r1 V
- , U l) S' Z( K4 Q' f( I
- return 0;
7 Y2 N. k! G$ O7 M- W; Y& T" O4 r7 M2 U - }
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