本帖最后由 0522 于 2012-3-21 23:04 编辑 6 Y9 F' m5 G$ I# f i B
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修改的代码早有了。到今天不会编译。
1 [* k( H; ]: j需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ i8 D2 t( m. R% Z- F
- #include <malloc.h>* y" _" ` e* k- \+ ~
- #include <sys/types.h>
. X. {5 p9 K( y! S' P - #include <sys/stat.h>
9 L( Q G0 d2 d' k- T+ Y: a5 R - #include <sys/ioctl.h>
; L! k" {- I% e( a* ~ - #include <stdio.h>
4 O* S7 y; C+ D) d$ b% P4 K - #include <string.h>
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5 o0 X* p* ?+ N( L5 S/ a; @- typedef struct {& e) E1 Y& I8 ^' H! k! |
- unsigned int e2prom_cmd_sub_addr;
( e8 T( z& t5 I - unsigned int sub_addr_count;9 Z- F/ U& ^) x' ]/ h- U4 r' Z. y
- unsigned char* e2prom_cmd_data;
: W8 Y' [% ^( {- C: S, A - unsigned int data_count;
$ k8 f0 @" ], @+ p) X - } e2prom_s_cmd;
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1 q: }) M" O) V" }- #define E2PROM_CMD_READ 1
3 h/ U5 ?% k0 p% g, J! [- g - #define E2PROM_CMD_WRITE 2. Z2 k: h5 Z' o/ q7 c
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
5 h6 C5 @, [6 R' }; A - {; S& {5 ^9 U9 s& g% G
- int fd, ret;) N& z4 B+ S; q9 X* V- U
- e2prom_s_cmd arg;6 Z% u& \! M8 X; G6 L, ?' Z
- unsigned char buf[0x18];( j# i3 J3 X; d; _4 |, i" h- m
0 Z8 {. r9 P* n! q: c( P- fd = open(E2PROM_DEVICE, O_RDWR);( b$ B, v# A6 i% t# w
- if (fd < 0) {- V$ B9 D2 ^) c# G) t8 m
- printf("Device %s open error.\n", E2PROM_DEVICE);2 h0 y6 R- l$ O5 S' w
- return -1;3 W& N- `+ B3 {7 t; S' l7 @) T
- }* {: C$ N+ d$ d- f- c$ d
- arg.sub_addr_count = 2;
/ ^5 h( i5 d. q - arg.data_count = 0x18;
) L W8 Y* U' Q! n - arg.e2prom_cmd_sub_addr = 0x290;) e: J/ i5 `2 s! m$ u- ~! L0 X
- arg.e2prom_cmd_data = buf; M3 p E8 {7 C9 ~, X
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 s" p* }0 U$ d+ S9 ~3 R( {! }; q - if (ret != 0) {
. }( q' L0 T8 C, R, x. c' E6 S( l - printf("Device %s read error.\n", E2PROM_DEVICE);0 h$ q" E3 C( ^6 E; d
- return -1;
- U2 P8 d1 w1 L$ T1 I! V# O# Q v - }
' Q( _6 {6 j) ?2 V - memcpy(mac, buf, 6);
# A4 i) e! d \* N/ ?; n3 X F" ^; \ - memcpy(stbid, &buf[6], 18);
2 `/ s& `! Z5 B( _$ E# ^ - stbid[18] = '\0';
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+ Z4 A* P' C- l) P/ [6 n% i- return 0;
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) Y0 g- r& d, e6 S6 n( P- static int writeparam(unsigned char *mac, unsigned char *stbid)
- \7 b- q( Y4 A! [' h% R. K* @5 v - {
$ o% L- X5 s* o% [. c" \" v- B6 U; b - int fd, ret;& Y$ l+ O @& ~3 K
- e2prom_s_cmd arg;
4 @0 U/ @4 n; `8 } - unsigned char buf[0x18];( H: L$ S" \) R) i
- : V% Y9 U6 \$ v& e2 L
- memcpy(buf, mac, 6);
, t- m& G5 B( {) l1 y - memcpy(&buf[6], stbid, 18);, c8 e- ] L6 P; S6 Q
- fd = open(E2PROM_DEVICE, O_RDWR);- _5 M6 _ v$ A1 r, Y! E/ p7 a
- if (fd < 0) {* B. \2 y6 Z6 e# \" w1 M
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 @/ W j6 k Z) G - return -1;1 m7 r a1 P) W, e5 S$ T
- }+ e3 E' ~# _. p3 J" h" } [
- arg.sub_addr_count = 2;
: d4 A1 i2 E' [8 n - arg.data_count = 0x18;3 m O" {7 t$ H, D
- arg.e2prom_cmd_sub_addr = 0x290;3 E$ ~" |+ W4 m8 n1 I8 C
- arg.e2prom_cmd_data = buf;8 E6 K4 t% R4 [
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 V) i- E% t6 A& x! b - if (ret != 0) {$ C$ q: s. i& E& U$ Q
- printf("Device %s write error.\n", E2PROM_DEVICE);' S) ]' V$ J) C9 l) w5 L
- return -1;
0 T& B$ d9 H: `* W6 W, D - }
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- return 0;
8 m- i: x* n/ F2 e# P - }
' {( U1 P T# O0 h# f
9 Q& g7 w h* ?. F! n3 ~. s' a- int main()
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- char c;9 O) [' y, [- q9 }
- int i, macs[6];
: c+ l: T+ h6 ~ - unsigned char mac[6];4 `3 j0 x2 C7 d. y# Z0 w) w: p, R
- unsigned char stbid[256];
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) O( A6 m* t/ r5 O5 P0 h- if (readparam(mac, stbid) < 0)
. O0 k h2 J# X$ T H" o" ` - return 1;
9 N: l; X/ m2 g/ ^/ L" }
& _7 x+ t; `. V( v6 w. O- q4 @- printf("Current parameters: \n");0 |$ C4 p7 K' p5 |
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% I8 w) ^) Z6 J4 ? - printf(" STBID: %s\n", stbid);
+ V8 o6 X; S( ]2 l6 s9 f# c1 d -
: ]8 H" o; k; ]3 W- ^+ @ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 i3 q% ^. W3 P I
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 u3 T+ W$ D6 B7 l0 k- v, l; O. l G6 e
- printf("Input MAC error\n");
6 w, {- U$ P# l1 [0 d+ r - return 1;
. P+ l% A. g+ y- _+ ~ - }
V# t) R9 P3 b3 I' P2 H - for (i=0; i<6; i++)mac[i] = macs[i];
* K7 p% C. w0 j8 H - printf("\nPlease input new STBID: ");% r( E3 G# k+ }
- scanf("%s", stbid);
; ~/ m4 B" }9 g, d! q - if (strlen(stbid) != 18) {
3 g2 Y' ^* |+ t2 o: J, O - printf("Invalid stbid\n");
3 |3 r) z# v1 W - return 1;
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- printf("\nNew parameters: \n");+ O* ]+ c$ h% L% k8 {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 U) ]4 R* ?" B# F6 x
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");* u1 N; N" j- [6 d; X
- for (;;) {
' R2 Z( v: \0 j# s) N - c = getchar();3 A" T0 D8 \1 m+ ]$ l2 K1 n
- if (c == 'y' || c == 'Y')1 T1 L8 [' d+ |; [0 {
- break;: m' w9 g( Q" }3 A1 \+ I
- if (c == 'n' || c == 'N') {. }4 ]$ O9 @+ ?& D
- printf("\nAborted.\n");
2 n) @1 ]6 m- k4 F: \" C - return 1;' F l& e" F; D; @$ T
- }
: \' Y) e, F$ F! u% _! I - }
7 J2 R4 i f b$ B6 s' T - if (writeparam(mac, stbid) == 0) - |' H7 G i0 T6 B* y
- printf("Parameters changed.\n");
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# \1 y1 S- U- P) a- return 0;/ w7 A1 M# t7 i& c, D0 Y3 u
- }
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