本帖最后由 0522 于 2012-3-21 23:04 编辑 6 C% g# w% {4 s8 ], f* f
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修改的代码早有了。到今天不会编译。0 _3 I% C0 q3 r& d- _+ x
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
) X- V5 }& \. ?" E. \ - #include <malloc.h>
v' {, k3 ~2 Y, \5 p - #include <sys/types.h>- i+ }$ I& q) c. u6 ?. |
- #include <sys/stat.h>
8 ^& V( ], L( {, H% |% H - #include <sys/ioctl.h>
5 @8 a0 a: Z- V - #include <stdio.h>
9 k- |, }) {/ w8 Z, v - #include <string.h>
- b' ?, F, V- `7 q J0 _8 T2 C0 @ - g+ z/ H. j3 b& b) P8 d
- typedef struct {
5 R9 g e- a7 _% [ - unsigned int e2prom_cmd_sub_addr;* y3 @+ {% A( V4 u/ h
- unsigned int sub_addr_count;0 x4 |. o8 D$ X9 }
- unsigned char* e2prom_cmd_data;
1 t6 L9 f. ~- i - unsigned int data_count;8 p/ Q& }, \' Z" n5 g& g4 [
- } e2prom_s_cmd;# k3 ?: U$ b: ?, I) l( T* N
- ) v. u- a- K0 ^% s
- #define E2PROM_CMD_READ 1
" {& X8 J1 H6 K9 | - #define E2PROM_CMD_WRITE 2
. [, s `! N8 T) @ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' L5 {9 O% h ^ \
- ' O/ s( D6 g/ O. n! w; V
- static int readparam(unsigned char *mac, unsigned char *stbid)6 x$ R. w- D0 p4 I& X% M" d5 N! C
- {
; v6 [) l6 I2 x - int fd, ret;4 a2 [# V H6 X; N1 r
- e2prom_s_cmd arg;
, V# _+ e. H8 o, v5 T* L - unsigned char buf[0x18];: p0 F6 V1 {( ^3 H" N
# @, T/ F3 s0 {- fd = open(E2PROM_DEVICE, O_RDWR);
7 g0 I* G* ~& e7 W) r) ` - if (fd < 0) {
: B) R2 m Z1 `8 Y) a! s - printf("Device %s open error.\n", E2PROM_DEVICE);7 C) W0 R2 X4 C! p& Y
- return -1;
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- arg.sub_addr_count = 2;7 _4 }2 W0 A6 L7 M0 C8 {
- arg.data_count = 0x18;
" y# y( S" b! l, a0 {5 _+ F3 s/ @! e - arg.e2prom_cmd_sub_addr = 0x290;7 l( [5 u, H4 z3 k
- arg.e2prom_cmd_data = buf;
9 m M$ }- q$ u/ R- n - ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 \ k1 ]1 s6 n
- if (ret != 0) {
9 I4 x- R8 ]* U; ]" j+ b3 _: [ - printf("Device %s read error.\n", E2PROM_DEVICE);; K( l. v9 P/ S+ V1 S
- return -1;
, Y& {0 T: ]6 m0 B5 Z$ E& V+ @ - }
5 o; a% a8 a* ~4 V- a: g - memcpy(mac, buf, 6);5 n& u! l% c0 W2 @7 l, R" ~7 w
- memcpy(stbid, &buf[6], 18);, f, T+ d. ~: {2 J3 k3 f- u9 W
- stbid[18] = '\0';- m4 ]+ _5 m0 O8 v3 Q( z
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- return 0; W o$ r6 b! `- g& j
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;8 c" l7 I7 i1 h3 y
- e2prom_s_cmd arg;
: ?3 o' b2 b* y# M2 Z! C - unsigned char buf[0x18];
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; R; c- ~' K$ G0 J5 {1 J: [- memcpy(buf, mac, 6);9 k! t6 R4 H- \/ {: o
- memcpy(&buf[6], stbid, 18);
/ |" u7 v1 s6 r3 i/ m( x. d0 u' w - fd = open(E2PROM_DEVICE, O_RDWR); N: q" J& m% ?! F6 _) r0 }7 H+ f3 }. f
- if (fd < 0) {
2 q3 |- u. A( y9 q% C q - printf("Device %s open error.\n", E2PROM_DEVICE);! E5 X0 q6 `$ }2 j1 g* ~) ^, h
- return -1;4 R- q4 E9 \& ^9 N& I, ^
- }
. ?( t/ ~5 j/ L k - arg.sub_addr_count = 2;$ k; ]$ F b% E
- arg.data_count = 0x18;7 q9 E6 o" N2 x+ H& s
- arg.e2prom_cmd_sub_addr = 0x290;; R0 T; t( n& ?# x* i/ _
- arg.e2prom_cmd_data = buf;
$ B) q- F5 b: {/ S- {" u+ n, R - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
# G0 D3 B) H6 H* w& q% U2 B - if (ret != 0) {. S( a6 O- L. X" D" }7 [) ?. |
- printf("Device %s write error.\n", E2PROM_DEVICE);
1 K3 ~% ~2 W. f5 ~; P. C - return -1;, c; G& O" t. f# e" I
- }( h8 t5 X7 g* O% g8 t
8 S f3 H& ?0 N0 P( e- return 0;' T( I% o7 g4 q$ u5 x
- }
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- int main()9 |7 d; e3 @- v. y
- {2 B4 g: `* Y+ g( `
- char c;
, d. ?, k& ^8 Q/ x, t - int i, macs[6];
) m$ N. R. J3 [9 y) A- T - unsigned char mac[6];" w( a, k5 t3 r
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0), b8 R* \. _2 Q5 M
- return 1;- Q# T9 ?. S$ H- y" Y1 [
- ' H. l2 _ @) U- F. E3 c6 y
- printf("Current parameters: \n");0 ]! \0 D w3 J5 ^7 J. I: `* K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- i2 l* N5 o& e& @& ^* a
- printf(" STBID: %s\n", stbid);6 N' V8 f$ j- s& J- R
-
}9 [. N4 G* t- l0 V$ \ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# q4 n$ I; l# r% \- \1 H$ |
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 |* Z& q0 x8 ~; J6 S
- printf("Input MAC error\n");" C9 T/ [" V, ?# m7 u0 }# z. b
- return 1;1 n, m! _1 q% ]: L' w+ ^2 q+ I" B
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- for (i=0; i<6; i++)mac[i] = macs[i];
) ?% l4 d, i5 m; {7 g" x6 @ - printf("\nPlease input new STBID: ");- C& q: J1 i2 D6 a* j9 P
- scanf("%s", stbid);+ Y; Z! M1 ~ Y7 ^' l" _" e
- if (strlen(stbid) != 18) {
8 M6 V& E7 {' @5 X$ M I - printf("Invalid stbid\n");
# q# b- X5 L+ a3 X+ @( n% Y/ j) X - return 1;: j. a% R/ u' U) j4 E+ Y/ [
- }9 }1 P8 A! t( {- g y1 p% E
- printf("\nNew parameters: \n");
s6 L: o. c7 L9 v4 X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 @( ], L0 l/ J4 A5 ?
- printf(" STBID: %s\n", stbid);6 E2 r) s7 d8 M
{; f) D7 b, Q) @" E- printf("\nDo you want to change paramemters? (y/N) ");
$ a* z0 s; u; t0 \% Y - for (;;) {- \2 |7 e Q( J; T- ?" u
- c = getchar(); k; U+ f1 z9 Y$ h3 ~" g
- if (c == 'y' || c == 'Y')) }* Y6 Z" t2 P( D6 K
- break;. F2 ], b9 q* Y* r9 n
- if (c == 'n' || c == 'N') {
# D7 N8 R& e4 t - printf("\nAborted.\n");. L" c3 D( [. n; E. L7 M, p) U, f9 [3 A0 e
- return 1;
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- }
9 |- h& P" z8 N4 @ - if (writeparam(mac, stbid) == 0)
9 U7 P; q v6 g; d - printf("Parameters changed.\n");3 R3 @3 E% i" |3 i
- ! e* i/ @& Y7 a. H6 V
- return 0;0 o( Q2 ]1 F4 E1 @
- }
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