本帖最后由 0522 于 2012-3-21 23:04 编辑 1 W. D4 I! H5 x7 Y
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修改的代码早有了。到今天不会编译。" l' V. S& @5 D' \& ]1 u/ C0 c
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% {4 P/ a" o5 W3 f - #include <malloc.h>
$ ?3 e# `) Q7 ]/ V6 v - #include <sys/types.h>6 U5 D& O$ t8 s8 M8 a
- #include <sys/stat.h>; |& E4 n1 ]7 S) h8 l2 Y# y
- #include <sys/ioctl.h>0 w7 p3 c( v c' r
- #include <stdio.h># x! n" u# n" N* e3 A
- #include <string.h>
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- typedef struct {+ ?7 [/ X. G$ U+ {; S
- unsigned int e2prom_cmd_sub_addr;! V% e9 E) T7 H3 z2 F4 ?7 O
- unsigned int sub_addr_count;! x& _4 K1 j% [9 i6 M
- unsigned char* e2prom_cmd_data;
7 l$ h7 k# u7 J% q/ o - unsigned int data_count;) g7 w# H+ u8 v9 J8 j. X1 u* L- m
- } e2prom_s_cmd;% l. m4 u) b4 F- v! q3 |. Q" I9 j' o( U" M
$ ]4 Y! D, \8 f- |& `3 _- #define E2PROM_CMD_READ 1
. p! f( n$ k0 G1 Y8 x' M+ s - #define E2PROM_CMD_WRITE 23 a, V/ A3 |. n |
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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8 o& f! ?# j( l$ j) N- static int readparam(unsigned char *mac, unsigned char *stbid)( G# V% I! K( Y# K) P( {- S! ^7 o
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- int fd, ret;
, Q: I( j2 ?( k. L3 ] ? - e2prom_s_cmd arg;
- p$ P; x3 u. a) ?1 W - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
" U0 K, l y. O; v1 g' y- D - if (fd < 0) { B# L) r# \0 j
- printf("Device %s open error.\n", E2PROM_DEVICE);
} {8 n1 r+ \ - return -1;! r4 x7 x6 p8 k( @
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- arg.sub_addr_count = 2;
- Q, v5 c8 x0 c1 o- r - arg.data_count = 0x18;' `9 e6 D& @: n* V i0 l
- arg.e2prom_cmd_sub_addr = 0x290;
5 w4 h$ b, Z) H7 p8 I0 q1 w" g( Y0 g' k0 r - arg.e2prom_cmd_data = buf; C& r8 G% |$ Q7 n* r8 H' @, X
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 [, C) c! w' ~7 V8 Q7 `- N - if (ret != 0) {# h# |" ]4 [8 \4 v
- printf("Device %s read error.\n", E2PROM_DEVICE);
% g% W9 |0 }4 A' E- K - return -1;3 ^2 k1 f9 a4 E9 j& q: X
- }
+ }0 {* f4 f, A& n: O# L* A$ H5 y% B$ \: D - memcpy(mac, buf, 6);& Q! H2 p9 Z" f% |
- memcpy(stbid, &buf[6], 18);
) X- N; Z$ B, f5 ?# O6 { - stbid[18] = '\0';
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1 P) x9 V! c8 I- return 0;6 K% X% u( X, E
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- |$ h2 q9 _% M- static int writeparam(unsigned char *mac, unsigned char *stbid)9 w$ V" n3 ^- G Y. f5 y+ w
- {
( @# z! h! ~/ m) j* p4 f! x - int fd, ret;+ v" C& Z* I4 }$ x5 U9 z* P: f
- e2prom_s_cmd arg;- M6 \+ Y& S$ A$ r6 ~
- unsigned char buf[0x18];: o/ r9 q- F& \4 n7 |6 E: \
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- memcpy(buf, mac, 6);
, }3 u. G' n7 U& W* R - memcpy(&buf[6], stbid, 18);5 G- E" t; C& ~- x% k1 P3 y* Y
- fd = open(E2PROM_DEVICE, O_RDWR);, h/ Q. F5 @9 Q
- if (fd < 0) {
- l7 O* L( d: o _ - printf("Device %s open error.\n", E2PROM_DEVICE);
+ K4 J' G: b1 Z! Z8 m" O - return -1;% x2 I/ j, o& x/ B2 k4 c. L
- } F/ Y. f) |+ N" e% `0 a# \4 }
- arg.sub_addr_count = 2;
' G3 {- L# i5 S3 n - arg.data_count = 0x18;
0 J2 U( y% n. ?6 N( |% O" k9 Y - arg.e2prom_cmd_sub_addr = 0x290;
; U5 v! @# P- ~/ T; c - arg.e2prom_cmd_data = buf;6 U1 B8 ]6 c& t' H+ t
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ M6 r6 G. q8 u" d; u$ ^* \
- if (ret != 0) {
* s+ e4 Q ~9 Q' y& m0 ~ - printf("Device %s write error.\n", E2PROM_DEVICE);
; c$ s1 X( {, T+ b- y5 Q. F+ Y' b - return -1;# S5 g r4 L7 i2 [# ]- z# h! j
- }
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- return 0;3 c8 |+ ]! T" r
- }
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- int main()
$ E/ e/ G0 }3 _7 W- e! p9 t - {/ u: u% ~/ ~) k, x! o
- char c;
5 a, ]& V5 X2 w7 T - int i, macs[6];
1 V3 u% e& M$ W, r0 _5 L; t - unsigned char mac[6];& s# l# B, l* {, `" s
- unsigned char stbid[256];
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: f4 |/ ]) J9 v k- if (readparam(mac, stbid) < 0)
- v4 X; J5 `% a! ]; r6 B - return 1;- M" M& H' n& X9 k# ^& b
- 0 G$ L/ G. ] o' b2 _; e" G
- printf("Current parameters: \n");" n: _2 q: @5 a" Y! d$ y, n
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 u) ~7 D5 Q a2 @
- printf(" STBID: %s\n", stbid);
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$ J' T- [- x, W# _' C! O - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): "); J1 \; s: b3 a4 ]
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
3 d# Y2 P3 p$ V - printf("Input MAC error\n");
. l" B0 F, z/ K1 @# ~; m, y - return 1;+ w9 }1 O% g* \ t& H8 w' h
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- for (i=0; i<6; i++)mac[i] = macs[i];
7 F& W- b6 e) Q+ D6 S - printf("\nPlease input new STBID: ");
; z* i& S, \- v x4 {# q' M - scanf("%s", stbid);
& b! U. h# K0 }" V$ U+ C - if (strlen(stbid) != 18) {
, p, w. c9 T3 {2 L5 h! F) s; D - printf("Invalid stbid\n");9 Z' ^/ y8 c5 u2 M |
- return 1;5 g- E$ j+ E8 [2 s5 A& G5 q
- }
( `' \5 A2 b' f$ P0 G) L. R - printf("\nNew parameters: \n");
6 M4 U# A( x1 d7 `- ~ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 ?% x9 x4 ]$ }* x; V
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");& H5 E" c# K$ a2 a E" g& N
- for (;;) {# M6 N4 ^) a$ g" Z* s9 n# v
- c = getchar();
9 }2 Q/ {* K( h( m - if (c == 'y' || c == 'Y')
4 z6 a! R4 S$ D3 E& R - break;$ ?& o/ ?: k, ^
- if (c == 'n' || c == 'N') {
; M; U/ e. f( Q: f& }* Q5 P - printf("\nAborted.\n");. V9 B5 F6 F4 K( T
- return 1;
s- f5 T ?, e9 d! d: n - }
9 A; [1 @# N2 x - }
/ K5 s* v# Y, s' e/ L" o3 S* U - if (writeparam(mac, stbid) == 0) 2 H& g6 _. e9 q8 I4 L3 I, b
- printf("Parameters changed.\n");" G0 y( Q5 N& Q/ U5 f
- : w, J, Q7 }+ p! N! ?1 z% W2 e
- return 0;% j6 \% p7 W( [& @% f! d
- }
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