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。; M* o0 e5 N/ s
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 s t R$ E) o1 }0 Y4 y% R
- #include <malloc.h>
% Q: j0 w3 q, j0 v - #include <sys/types.h>: [+ q, [# D ~/ _( @
- #include <sys/stat.h> ?+ G/ _9 |+ d. ~6 O" K+ V: d
- #include <sys/ioctl.h>
, f& A+ s6 l5 o: X+ w - #include <stdio.h>
) N: C. o. S7 G: d+ S$ W+ c4 R$ i - #include <string.h>
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) k" f1 \% k; S' Y* B5 W$ @- typedef struct { c; l6 @5 Q1 w- I- s) f
- unsigned int e2prom_cmd_sub_addr;) ]7 J! z$ R9 C8 v* b
- unsigned int sub_addr_count;
1 Z( M' a* t8 X; g( { - unsigned char* e2prom_cmd_data;
9 V% s: |4 a8 `) L* A# C9 u - unsigned int data_count;. t' F. d6 r. B0 z
- } e2prom_s_cmd;# c# T& _+ `" [! n0 O9 K- f
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- #define E2PROM_CMD_READ 1" {3 Q! p0 C' v" @# }- l
- #define E2PROM_CMD_WRITE 2# s- s0 T/ Z$ o6 R
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
. H6 s& D+ z3 S% W0 A5 R/ e - 7 C: {- z3 ^+ G- Y* k! F
- static int readparam(unsigned char *mac, unsigned char *stbid)
! o5 q8 w' J" ~% H8 k# A - {
: U/ H, j& u+ h, d- n( W5 I - int fd, ret;
' j! v7 y) e. t4 U. r% m - e2prom_s_cmd arg;
5 J4 y2 Z+ x0 B - unsigned char buf[0x18];
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: q( W5 s) Q. |' r+ k- fd = open(E2PROM_DEVICE, O_RDWR);- Z0 R! d" ~8 R, X8 n; L
- if (fd < 0) {& U+ L' B9 R! H* \* t7 b a
- printf("Device %s open error.\n", E2PROM_DEVICE);/ h0 ~# m) v: }( t$ ^
- return -1;0 S# v" N& |7 N+ P6 a0 O6 R8 [3 Y
- }
9 ^; K* H! i8 x/ z" \ - arg.sub_addr_count = 2;
' ~# a1 o% V. Y( J" h- h - arg.data_count = 0x18;& U- ^ U# C9 [) s3 L O
- arg.e2prom_cmd_sub_addr = 0x290;
. y1 O9 E. F: S/ u6 e. \, h - arg.e2prom_cmd_data = buf;
; q, s$ T! q/ E' M" P6 U1 ]0 ^ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 T2 \; P8 Y5 [: Z3 g
- if (ret != 0) {5 }4 N2 I& l8 T" k8 k0 R0 v
- printf("Device %s read error.\n", E2PROM_DEVICE);
7 E& s! T' j; O; b. b# N% o; ` - return -1;
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- memcpy(mac, buf, 6);
* f( ^, E. S5 u* m) e2 m - memcpy(stbid, &buf[6], 18);
% q6 T8 G8 M& d. `5 C6 r8 i - stbid[18] = '\0';
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- return 0;
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+ f$ J* a3 O. a. U u+ Y* I$ b- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
9 _$ z; U! S; j1 L& d d* }# A - e2prom_s_cmd arg; J; }) X" o4 c
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
. D- J% P( I$ g( ^. H7 b5 i - memcpy(&buf[6], stbid, 18);5 M; u' u/ ^- J' u% u/ R
- fd = open(E2PROM_DEVICE, O_RDWR);
& [ D* r: B* C0 ^. `) O - if (fd < 0) {
+ w x. V! e% U7 j! D3 u. | - printf("Device %s open error.\n", E2PROM_DEVICE);
; L3 g8 R5 o- e, P M4 k4 J - return -1;1 a3 o. w" G _6 v' p( _8 s: x: _
- }
* Z5 F, _7 B2 D - arg.sub_addr_count = 2;0 @6 ~3 }3 P& E
- arg.data_count = 0x18;* B; Q7 g \! _, E
- arg.e2prom_cmd_sub_addr = 0x290;
0 Y: e0 {. C: j$ t1 E - arg.e2prom_cmd_data = buf;" \. W: w! E: x) @. a5 t5 [% G J
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
& {4 X" W# x( V5 k5 ]4 } - if (ret != 0) {) k k O5 f- e$ c
- printf("Device %s write error.\n", E2PROM_DEVICE);
2 m4 `: `. D, x6 K+ R P - return -1;+ N3 j# d9 x: n w# Y
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- return 0;6 e5 z p: p! L; S1 ?
- }
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- int main(); a& o9 T6 N" z% S% \
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- char c;& g' w! l- O+ ~; E1 E$ a
- int i, macs[6];, `0 B( u% x. l# ?4 v- H' S
- unsigned char mac[6];
3 e5 a& r+ Q, z, T5 e/ m. M/ k - unsigned char stbid[256];/ Q! K! e4 C3 s3 e
9 p: O/ f( D; ~- Q0 e1 F' [! m* ?3 Y- if (readparam(mac, stbid) < 0): u4 @8 J, z U+ ]
- return 1;
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- printf("Current parameters: \n");
: {( P2 e' m- F, O& m# W - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, e: N' x* O' e+ c( { Q% e - printf(" STBID: %s\n", stbid);. [9 u4 g. P i: q) C
-
- H0 s2 H" h+ f2 p" N - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 \0 E9 U2 V+ ~, J2 K3 k) k) c$ z# h
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
' l8 y) |0 h u/ n; I/ b0 T2 f! | - printf("Input MAC error\n");
8 ^7 X3 v: \$ m4 \. v V: M& q - return 1;5 T/ Q: A9 E) _ C5 R
- }% P( n) W6 S8 L/ S. {* e* G" V
- for (i=0; i<6; i++)mac[i] = macs[i];4 H3 Q& C& F8 e% Z
- printf("\nPlease input new STBID: ");
9 ~; V( b6 s$ s2 o( f. o - scanf("%s", stbid);7 f3 b" Y; M: Q/ p; P
- if (strlen(stbid) != 18) {
7 I3 a/ L9 K0 ^% B - printf("Invalid stbid\n");
! }) P" C% \ B5 H6 [ - return 1;
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- printf("\nNew parameters: \n");. z6 H0 R9 O5 r9 ]% j6 ]+ ?0 P# T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 P" F* C" W6 [
- printf(" STBID: %s\n", stbid);' L c9 {# U4 `8 j! w
- $ C2 I; G# B" L& j; F* x' q
- printf("\nDo you want to change paramemters? (y/N) ");
" I0 Z7 h$ n" _5 b0 h% X ^ - for (;;) {
1 ?0 z: E6 o S$ j/ W2 e. v+ e - c = getchar();+ e0 E- c h" Z& J( s! A* b
- if (c == 'y' || c == 'Y')
2 j* m9 W% L( D - break;4 r( S2 W% x6 q* T# C
- if (c == 'n' || c == 'N') {8 O. L1 n# q# R M
- printf("\nAborted.\n");$ J0 U* V& N4 ]3 r1 T5 H
- return 1;
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- }
7 { g! M4 x# \% F - if (writeparam(mac, stbid) == 0)
9 Y% p& X$ E( v - printf("Parameters changed.\n");3 z: }8 C, I& `% h0 f
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- return 0;
: w' x6 u) T! W" Y - }
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