本帖最后由 0522 于 2012-3-21 23:04 编辑
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7 t1 M; l: Q; D% S修改的代码早有了。到今天不会编译。
) L5 w6 A" I+ P需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> Q8 N& _% W* F& G
- #include <malloc.h>
) F( N, K% G& q+ J2 z - #include <sys/types.h>
0 z! [2 {! u+ a& L$ J- u" \ - #include <sys/stat.h>& U" O/ f) p2 p1 B. \* N/ B# e
- #include <sys/ioctl.h>
7 q3 s- r% p) z, R - #include <stdio.h>( U0 C( Z+ D) [8 H; s" v5 \, |: o' T
- #include <string.h>' Q- f: j) x- d$ ~
- % i+ L J# f/ G" H/ D
- typedef struct {
7 w5 p0 I% n# \& r2 v - unsigned int e2prom_cmd_sub_addr;2 g$ d" K5 J6 ]+ R( d
- unsigned int sub_addr_count;
; m# K. q; f7 C. B# L - unsigned char* e2prom_cmd_data;: ?, j9 ~$ E. y1 I6 K. R- m% M
- unsigned int data_count;
$ _8 l& ^6 h9 i - } e2prom_s_cmd;$ h3 c1 K: P9 S3 A8 [2 ]
7 I5 ~' L" G! @- k& s- #define E2PROM_CMD_READ 18 o- D8 n& y; K! n ^, `
- #define E2PROM_CMD_WRITE 2: ]7 k! h) O9 ~# K" z" Q' e5 h
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ @ b! ]' m4 h g
- 9 b% a* v3 f- r9 |. J
- static int readparam(unsigned char *mac, unsigned char *stbid)
! x% e! u! r1 r4 `7 v; V. H - {
( J( m& ^- y) l ~& ^8 D6 F% E - int fd, ret;4 Z& m( [ M: u0 b
- e2prom_s_cmd arg;5 A) H- x. C, Z( q
- unsigned char buf[0x18];. x8 E( p8 M W
- 1 c1 I, V' H2 ?; \
- fd = open(E2PROM_DEVICE, O_RDWR); }; H* Y1 s2 ?' y1 w
- if (fd < 0) {
4 v( o/ V$ c6 \' Q9 l+ r - printf("Device %s open error.\n", E2PROM_DEVICE);
C7 R! ^8 g% w: ?; ]" i( K7 L - return -1;
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- arg.sub_addr_count = 2;
8 I9 ^* Z! g6 n. D/ R2 j& O - arg.data_count = 0x18;
; r2 D. D9 i& R6 t3 R( n - arg.e2prom_cmd_sub_addr = 0x290;
0 |4 u& N; c! W - arg.e2prom_cmd_data = buf;- D0 G( R# j! y& z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
6 F i6 t; v* }5 @; d o7 N - if (ret != 0) {- \5 u5 F& y4 b+ q) g
- printf("Device %s read error.\n", E2PROM_DEVICE);+ d! ]2 O: @2 _$ T+ N8 n
- return -1;
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0 N8 m! f$ M$ T5 a/ X8 q. i. O/ V - memcpy(mac, buf, 6);6 g5 e) E7 M e- J: Q* y
- memcpy(stbid, &buf[6], 18);
! D% g: v. x) Y% l! G& z4 q - stbid[18] = '\0';! |: f$ q. R% N
! d' `5 w5 _: L1 ^- return 0;
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; B3 o1 b( F- f" T- static int writeparam(unsigned char *mac, unsigned char *stbid)
- T: |+ T3 @/ h2 e0 j4 i6 O) s& _ - {
8 [9 H3 \/ ~& P! |) b - int fd, ret;
8 t% r* R& B3 ^+ _" C; s8 p - e2prom_s_cmd arg;
a4 G* {1 O# o$ z. p; D% \ - unsigned char buf[0x18];' K) G0 J' I, R; Z
6 z( N, t9 ]/ W; i- memcpy(buf, mac, 6);( Y3 N- I9 P2 g0 R, {# {2 C
- memcpy(&buf[6], stbid, 18);9 Z1 C' w, j H0 N! V4 o7 h! t3 p
- fd = open(E2PROM_DEVICE, O_RDWR);; ^( L4 q3 l- d" V7 `
- if (fd < 0) {
5 W% x' {7 q- n8 B; ~ - printf("Device %s open error.\n", E2PROM_DEVICE);
. [% @ N( p& [2 W/ E) x1 F% V# M$ y# ~ - return -1;+ e6 f* ]4 D4 I0 h! g, p4 a$ j1 y
- }
% s! m* k, R% [ - arg.sub_addr_count = 2;, i" ^" Z7 w w5 Q: Z
- arg.data_count = 0x18;
. X) {" S# `% @* u$ Z8 u# F4 E" r1 R - arg.e2prom_cmd_sub_addr = 0x290;" f5 y* u4 j/ v+ D! k- M `
- arg.e2prom_cmd_data = buf;
: m- |& p( ]9 W4 ^# w3 V) O - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 P" D, C% y2 s
- if (ret != 0) {& `2 X; D5 Z8 \" |( [! W. F
- printf("Device %s write error.\n", E2PROM_DEVICE);
I7 U7 g: @* {; M$ m' H - return -1;
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- return 0;3 X* Y, w& _! E' l5 k$ [# l
- }
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+ S$ B0 W$ S0 Y x! V' Q' _- int main()
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# v: X* T; v" C+ _7 n - char c;
0 [# T# u% Q0 u: o& P% R - int i, macs[6];
. p1 s( d! u1 w - unsigned char mac[6];1 z3 V* k. ]" W5 B
- unsigned char stbid[256];
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; p7 S/ @& F. x( O- if (readparam(mac, stbid) < 0)
! C" |& I3 U+ p& r - return 1;
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" n5 e) Q) ]6 K4 S2 r5 P- printf("Current parameters: \n");
8 o$ `, Q7 D1 K" S6 t# Y5 h2 q: i - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 a9 R+ B6 u! y- R! y5 n2 Y1 ~
- printf(" STBID: %s\n", stbid);
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" i$ r: M. E& S - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 Q6 V! A; \5 k# G3 d3 E( I- l
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; R0 R4 P/ G+ }$ X% A+ y% l' N - printf("Input MAC error\n");8 [7 J: l5 g/ r, d
- return 1;# u4 M% ]( a& l$ i2 _/ O
- }8 V( O, v1 N$ d/ n
- for (i=0; i<6; i++)mac[i] = macs[i];1 l. b6 K; D- e6 w! A3 x
- printf("\nPlease input new STBID: ");
. Q( _# Q; r4 ^, k+ }1 m7 [0 y% z, N - scanf("%s", stbid);; T* G+ n8 B$ C# i, U1 I
- if (strlen(stbid) != 18) {
, i7 `- t9 C' D+ ? ?! n - printf("Invalid stbid\n");
8 D9 U. s. q$ h. R. g - return 1;. C' L. k8 _" N$ O; c/ s" A
- } ^! a. X7 n2 q% H& {8 \
- printf("\nNew parameters: \n");
8 U+ M: t2 z X0 Q% I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% I0 E* R0 x+ L# U8 D& J6 b
- printf(" STBID: %s\n", stbid);% C- ^# v3 H* S | ^* n0 X
. E4 j# P4 D5 U. p7 z9 ^- printf("\nDo you want to change paramemters? (y/N) ");
. I2 d. D3 ? s( d6 ? - for (;;) {3 P- @ o: s/ c; c$ L( a& p
- c = getchar();- F1 l. O8 m3 N1 Y* S" h6 l9 z
- if (c == 'y' || c == 'Y')
, J! w% z+ r* Q( G R - break;$ l8 e6 k6 f) ]: D0 I
- if (c == 'n' || c == 'N') {
. W$ p) y. } N% J2 z" z' T - printf("\nAborted.\n");
B+ x0 V0 Y8 P+ ?4 X( S - return 1;
* n X& T6 b! y- j* ? Z - }
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- if (writeparam(mac, stbid) == 0) - A# A4 l1 G5 Z' E; e2 y2 ^
- printf("Parameters changed.\n");
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- return 0;
2 b/ d8 k: `/ X2 h8 u5 d - }
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