本帖最后由 0522 于 2012-3-21 23:04 编辑 7 [, n' Y+ b9 z* m: K
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修改的代码早有了。到今天不会编译。
2 i5 ]2 d- ^5 k! F1 q需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 P# } u2 R% Y2 f5 H/ E - #include <malloc.h>; u) T! V. B C7 q. o" o
- #include <sys/types.h>
, B9 ~- M1 K# d& \, { - #include <sys/stat.h>6 M1 E9 D# u9 {( w# u
- #include <sys/ioctl.h>
1 T' o/ u) T4 Z4 B( P; S - #include <stdio.h>9 X# O6 f: n+ l" r
- #include <string.h>
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- typedef struct {
/ M" ]8 d2 [3 X8 A$ c( x* b4 ^ - unsigned int e2prom_cmd_sub_addr;
) g- ^7 i" n, J, w8 W2 ]/ D - unsigned int sub_addr_count;" E+ d) O: X1 Z0 b( X/ ^! e9 a
- unsigned char* e2prom_cmd_data;
. f, T0 _* \$ m8 M" ^ - unsigned int data_count;) F: Q8 {% k2 C% w( Q- C
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
4 e1 x2 E5 c5 h - #define E2PROM_CMD_WRITE 2# Q% \9 I9 Q M/ B6 q; Z8 ^
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)/ o* f7 }# r# p
- {- _% h+ f" e( x/ y' ^& A2 e1 b' z$ t
- int fd, ret;
; l* l* T6 ] ^' F4 F* Z - e2prom_s_cmd arg;& Z' u& r1 U, q N: E7 a& z! o
- unsigned char buf[0x18];/ A1 V& ]. M3 w9 r7 s
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- fd = open(E2PROM_DEVICE, O_RDWR);: c# k8 N" P( T8 h
- if (fd < 0) {
3 P9 W5 q# D# O1 J. J - printf("Device %s open error.\n", E2PROM_DEVICE);
8 ?: P; o5 ~* c6 t7 W m; z' _6 j1 y - return -1;2 { s0 d4 P/ k
- }: X# R/ T& H, {7 T/ d( {! R8 ?
- arg.sub_addr_count = 2;
2 |4 l8 c5 Y$ y$ @- i5 E - arg.data_count = 0x18;
% z& [5 i- n9 S6 L, ^; L - arg.e2prom_cmd_sub_addr = 0x290;
' S; x2 }4 x1 v: {4 Z - arg.e2prom_cmd_data = buf;4 q1 Z4 R! M6 `' `
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
2 q7 K6 B5 a; H4 w) M4 r; M" c3 }4 K# c - if (ret != 0) {
/ ?3 J' N3 H$ u9 s - printf("Device %s read error.\n", E2PROM_DEVICE);
+ z- M. B6 x5 a+ W( M - return -1;
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- memcpy(mac, buf, 6);
. n8 h- S; G% L. `. r - memcpy(stbid, &buf[6], 18);0 Y* P3 W0 U& S$ s2 B! L: ]
- stbid[18] = '\0';
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- return 0;
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0 ^* s( j: H6 B& H- static int writeparam(unsigned char *mac, unsigned char *stbid)6 N/ |# x w( b y# U
- {
6 C. k5 N A5 t% K4 t% ]$ s - int fd, ret;
}( V0 y9 ?4 \' N - e2prom_s_cmd arg;
' U% Y V' \0 Q) Y7 I: ` - unsigned char buf[0x18];
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- memcpy(buf, mac, 6); c3 [+ [" H: R
- memcpy(&buf[6], stbid, 18);
( y' T( Y7 W { - fd = open(E2PROM_DEVICE, O_RDWR);
0 z( l4 D! Y+ U$ P1 _8 |9 s - if (fd < 0) {
+ x! d9 S) B, S h9 o/ ^ - printf("Device %s open error.\n", E2PROM_DEVICE);1 B8 v, _0 x6 i3 {- t
- return -1;8 ]) l9 S( |+ d
- }5 O' z4 w* H! Z/ r& c
- arg.sub_addr_count = 2;
: R5 s# q8 _& [: D; P5 [! p1 Q; x& d8 q - arg.data_count = 0x18;) L! G- ~* ?- M+ @
- arg.e2prom_cmd_sub_addr = 0x290;
/ J" D& e6 S4 x1 D% x- g: h - arg.e2prom_cmd_data = buf;+ w& T5 k/ x/ I% L7 y% B* f
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);) S+ [4 P0 c4 H) x- Z
- if (ret != 0) {& I; N$ ^) o6 K$ _& Q) t
- printf("Device %s write error.\n", E2PROM_DEVICE);
% V3 _0 u! B$ ?* k) ` - return -1;
$ R6 {+ U) ]4 O/ t0 w# S - }
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- return 0;
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& w b" e- P0 p w, K7 I- int main()( m- R( ^8 Z: U" f. z7 a
- {
) i" L) b- D- }" t- v& S! Z6 e - char c;+ ?' ?$ b4 v, d+ }
- int i, macs[6];
) P+ O0 D0 h! `4 R, o# w0 y - unsigned char mac[6];
+ `( ^6 v/ s. N0 T# n& `: | - unsigned char stbid[256];& v5 Q3 k- o6 N0 i* z
/ l3 w' s- M; @# S- o- if (readparam(mac, stbid) < 0). U3 q3 i5 d# W1 A8 D
- return 1;
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U/ o) d4 r6 q Q( ?9 ?& B- printf("Current parameters: \n");3 e+ P3 [: C+ M {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 y* v' V- @+ P( |
- printf(" STBID: %s\n", stbid);
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: |9 l7 [9 [' _$ @ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& x! N2 `+ I J7 F - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {+ b+ V, Q" y F V
- printf("Input MAC error\n");
" m- _6 ^9 D5 k - return 1;! v* m# Y5 T4 C3 B
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- for (i=0; i<6; i++)mac[i] = macs[i];4 y6 C* K( h Y1 L
- printf("\nPlease input new STBID: ");
4 g9 p6 g- L. p3 W% D - scanf("%s", stbid);3 e) l6 w: _& ?* e/ v6 e3 H" H
- if (strlen(stbid) != 18) {
4 D4 e- y2 |' k1 t' \ - printf("Invalid stbid\n");
" W: j3 ?7 @# R% F - return 1;
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- printf("\nNew parameters: \n");& U! I9 b- L7 a t6 b/ K K% u3 L
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& E1 ?4 a- S" [" M2 C
- printf(" STBID: %s\n", stbid);5 v9 J0 n; m8 Z, n; m' `
6 Y. e9 Y L* M9 U/ V* w- printf("\nDo you want to change paramemters? (y/N) ");
$ \" d6 g6 }% m2 ~ - for (;;) {4 Z b1 U( K" a9 Q) `. k {+ ^0 h
- c = getchar();8 r2 L: {: ?( D( p3 e' |
- if (c == 'y' || c == 'Y')5 E7 y$ p+ G J+ V+ g) i% _
- break;
/ M/ y( @% x' L& p9 U( E- I6 s - if (c == 'n' || c == 'N') {
& E# D3 Y- p' Q' ^1 l$ d - printf("\nAborted.\n");
; ~+ F. f, L& A' v0 d - return 1;, B% ]2 G/ r+ D. ^
- }
+ e2 \) i; K" { - }
/ S5 ~: E5 ~! _/ ?7 F/ E5 N( w - if (writeparam(mac, stbid) == 0) * N" `2 ~1 ~0 A+ T* j+ T$ j& R
- printf("Parameters changed.\n");* H0 r! |6 D' q: P0 G
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- return 0;
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