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。1 T. h+ x$ q# F' s4 O# T# Q
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>% y* f' G) a+ X L) u2 [
- #include <malloc.h>
) X; F* l9 I- @0 ]. Y - #include <sys/types.h>
& v* s U: a( L' [6 y9 B- \ - #include <sys/stat.h>. q* M% O) }8 G9 Z5 L+ l# v
- #include <sys/ioctl.h>8 y+ M j5 s/ \# R7 M
- #include <stdio.h>+ V. q4 q9 S1 Y5 B& J0 `/ k% N
- #include <string.h> Z1 i# |% t! m3 @7 X$ @
- 8 Q! ^0 L( u4 b
- typedef struct {4 j# g, H/ `1 Q4 F6 \7 r$ {- s
- unsigned int e2prom_cmd_sub_addr;
4 n3 h) M# w; Q - unsigned int sub_addr_count;
% g0 E" s0 M5 U0 b - unsigned char* e2prom_cmd_data;- Z" g9 z( q( P7 P4 a* ^( ]' N# p
- unsigned int data_count;4 p7 |4 g) R: g/ M- j8 |" J! [, t
- } e2prom_s_cmd;
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1 e L2 ]6 k6 S9 h- #define E2PROM_CMD_READ 1
/ `( h; {. {8 H: k% N$ T2 {3 H - #define E2PROM_CMD_WRITE 29 U8 x( ^8 H4 o+ p+ x: T3 l
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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! c- P( v- j) h% s3 L% D- static int readparam(unsigned char *mac, unsigned char *stbid), o. q' n4 T6 d
- {
& |& L" _; u; I) J4 f2 c3 [ - int fd, ret;& q/ L% [/ g# A- c6 U
- e2prom_s_cmd arg;
5 v' P4 U9 b% q9 m$ d - unsigned char buf[0x18];
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$ ^1 X; m6 r6 N3 T' o; Y, `/ t( Q- fd = open(E2PROM_DEVICE, O_RDWR);! O' i9 ?$ H( ~- l3 d
- if (fd < 0) {! Q' U7 }) l" T1 T; A+ {& \
- printf("Device %s open error.\n", E2PROM_DEVICE);
2 s2 g# s+ u# F1 o - return -1;
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* {, o5 w$ [ S q5 Q5 z. C) Z - arg.sub_addr_count = 2;( m, N& \$ u9 ]+ h, X6 {
- arg.data_count = 0x18;0 T& x. j* h2 O: e, D+ U
- arg.e2prom_cmd_sub_addr = 0x290;
% J9 ]# H, R7 H1 F, P/ T$ X - arg.e2prom_cmd_data = buf;! R- k6 A/ l" h. i" _
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
; F$ a: q' q/ ]# l& T: o+ I - if (ret != 0) {
2 S' O& B/ E4 `* }2 ?" N0 d - printf("Device %s read error.\n", E2PROM_DEVICE);
7 n7 ]9 a/ |8 G7 a - return -1;
! f3 t; t5 w# x$ v" _9 U - }: V2 S1 u4 z, {# j8 s- u% A
- memcpy(mac, buf, 6);
' q {' J8 _9 z, u: w - memcpy(stbid, &buf[6], 18);
1 x+ _8 [$ F1 I+ f2 Z; t: R6 @6 ` - stbid[18] = '\0';
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5 G: }3 D+ { ^; R( W* ?5 |- n) _- return 0;
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) F: {0 V9 @9 Y) C% G- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
/ B6 V2 D" i0 |: |& E! V! E% h5 o - e2prom_s_cmd arg;
3 ~+ l; v1 H! N, f7 C1 Y- p - unsigned char buf[0x18];
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/ ]1 J( X( p6 l9 Y; p- memcpy(buf, mac, 6);
0 D/ }3 g3 n* c9 i - memcpy(&buf[6], stbid, 18);& s: d# a/ a3 O! |
- fd = open(E2PROM_DEVICE, O_RDWR);% A0 w6 a- w2 s j/ `: L, o
- if (fd < 0) {6 K3 v0 I( N6 m9 i5 L$ K- O
- printf("Device %s open error.\n", E2PROM_DEVICE);0 V; l; K5 t5 G5 c5 |( d' ?4 _
- return -1;
; z: W) x% H/ t# q9 V7 U& _9 W3 x - }
. B, M' h2 W$ l. r4 Y+ y - arg.sub_addr_count = 2;+ ^( x8 F! o, i% o6 l$ E
- arg.data_count = 0x18;
4 J) k* ?8 I: ~0 f; t+ i - arg.e2prom_cmd_sub_addr = 0x290;
. v5 r7 i9 D0 ^3 Z4 T3 \ - arg.e2prom_cmd_data = buf;' E& b( h/ M* O7 _: V3 p0 a$ |
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 ]6 x) U8 I C V, Z; N# W - if (ret != 0) {
# m+ n. f9 R0 F9 Y* C$ `# S - printf("Device %s write error.\n", E2PROM_DEVICE);
4 o. ]- G, t7 r" [6 s) ?* u - return -1;" ^" a" i1 Y( K
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; W6 m+ H' U' B( }! T$ i- return 0;
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- int main()
' @7 a; ~% f% _/ J - {
/ }( |* T" e+ b a7 T. a9 m2 w! f- B) J - char c;
( ]8 {$ b g" H/ D" C - int i, macs[6];* C1 Y$ i6 ^6 \) J0 Q4 v# V
- unsigned char mac[6];
3 \0 l0 v! J% c9 @ - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
7 k$ W$ G! Z G) y7 j3 {2 C6 K - return 1;% |* g: H; r2 E p5 V# @- F+ F
- . U* i8 S/ H4 ]1 D
- printf("Current parameters: \n");
% E) P ^$ \& H7 Z1 ?1 Y" }% P - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 T* h/ E9 Y$ E" | - printf(" STBID: %s\n", stbid);
$ [1 Q# l- [, O8 e: \( F% W. d -
! q2 x' `; H8 b - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# M6 e @' [0 Y8 {
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 p3 d4 f6 H& R4 T" z& C: B1 N
- printf("Input MAC error\n");) t9 }, C4 `: I4 O% M
- return 1;0 S0 x- t- B3 G6 L8 H! @* Q5 V' G, \) m
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- for (i=0; i<6; i++)mac[i] = macs[i];9 {4 i2 Z; |9 s+ {6 }7 K
- printf("\nPlease input new STBID: ");
' U+ s8 w3 {6 K - scanf("%s", stbid);
8 j' |, M+ Q j, I+ k' } - if (strlen(stbid) != 18) {
! q% C1 o2 e" b4 T% Q; V" R6 ] - printf("Invalid stbid\n");
2 T3 v2 G: |1 p& G - return 1;7 c. @# n: a. q1 \5 e( r( ]" |
- }, j# c7 j# Z- C/ k! ~: B! N
- printf("\nNew parameters: \n");3 {' g* D( d% a7 B# ~7 j
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 \5 ?7 h, o0 y) \$ G0 |( K - printf(" STBID: %s\n", stbid);- W% ?3 M& U+ v9 l
- , M# v F8 ~4 o% G) A ?3 c
- printf("\nDo you want to change paramemters? (y/N) ");; C! L$ Z9 [3 l& h
- for (;;) {% }& y; }4 }. q# @
- c = getchar();
; Z* V* \0 [4 R l - if (c == 'y' || c == 'Y')( x/ \$ @% ?6 o) w
- break;( J5 B+ T; Y; {+ A! N* U4 P: G
- if (c == 'n' || c == 'N') {2 v5 p3 i) X9 ^
- printf("\nAborted.\n");
9 P H+ P; _. u/ R- H& @+ ? - return 1;3 W( P( b1 E/ l7 @, m
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- if (writeparam(mac, stbid) == 0)
" T( f! n# G+ K - printf("Parameters changed.\n");
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- return 0;
5 z, ?0 k5 W# c8 A- p4 K - }
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