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。
, ?2 S ?" M6 g; c5 }! p需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>. S" z- n5 I% Y5 ]2 ~
- #include <malloc.h>% Q. j+ R) p) S4 A
- #include <sys/types.h>1 Y% ` v9 v& x& Z8 R! `$ ^
- #include <sys/stat.h>
8 `1 a9 |/ i* O' v) q - #include <sys/ioctl.h>- a$ K3 s/ c2 c& f: h1 Y; h) y1 ~! g
- #include <stdio.h>
% l: [6 |3 v7 [4 q* F9 \% I5 [3 m" @ - #include <string.h>' w7 X3 X& R. G% ^; R
- 5 D1 v# y' h% e% `" K/ A2 J+ ?
- typedef struct {& g5 }5 m2 w7 _4 {- X" F
- unsigned int e2prom_cmd_sub_addr;& r4 J5 Z0 Q+ s
- unsigned int sub_addr_count;
! L h" V: z) C5 R. A, j8 Z3 n - unsigned char* e2prom_cmd_data;: a' H9 Y- f' C" T
- unsigned int data_count;8 O! K( X3 W8 m @, f' D7 K: W' _- `
- } e2prom_s_cmd;
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: C; Y3 j0 H. j$ G3 s- #define E2PROM_CMD_READ 1
8 s+ \& t5 P9 l* r' ~ p3 d - #define E2PROM_CMD_WRITE 2
" F* m/ o K6 i" d, o - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
) \7 Z# e# }. T( h - ' e7 }+ }; Z7 [& d
- static int readparam(unsigned char *mac, unsigned char *stbid)8 S. {5 J4 m- w, y8 X
- {
( ~8 G3 C, ]+ M/ r/ |. U$ l - int fd, ret;
8 e( V4 J+ C* Q: A2 r4 ^: n$ x - e2prom_s_cmd arg;
+ M& U1 |1 l$ }. i - unsigned char buf[0x18];6 c# E, \% w, @% K1 D& E# Y+ S- v
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- fd = open(E2PROM_DEVICE, O_RDWR);
' D% b v0 T* ?# N* ^' j - if (fd < 0) {+ w, L: y6 L+ j5 S# q* m% H4 {
- printf("Device %s open error.\n", E2PROM_DEVICE);' R% p) n% M+ @+ U2 N! f# c
- return -1;
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- arg.sub_addr_count = 2;
1 b5 u1 F% M4 }4 M, ^" L - arg.data_count = 0x18;+ T/ L3 X* A/ G& U2 U" c
- arg.e2prom_cmd_sub_addr = 0x290;) G0 F7 B; Q T
- arg.e2prom_cmd_data = buf;9 w8 l- Y2 n- {- y
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);! {# c5 n+ b4 ?0 o( }3 K7 G- x. Z; G* x
- if (ret != 0) {
5 S$ U; G4 U/ r' i - printf("Device %s read error.\n", E2PROM_DEVICE);
' o. \6 |8 }1 ^# z) o - return -1;8 D9 U6 p) [" b; Z
- }
( P1 F8 C2 H# |' p - memcpy(mac, buf, 6);+ K. J8 U7 R1 N( @
- memcpy(stbid, &buf[6], 18);; N/ T- u; s9 C1 z' S
- stbid[18] = '\0';
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- return 0;3 H; ?! O5 _/ X
- }; Y3 t3 p9 T2 q3 t* ~: R. N
2 r# F# J& f5 E8 _) ^& k) Z- static int writeparam(unsigned char *mac, unsigned char *stbid)
9 j- a( p. C5 H& ~- P% j - {
" Z) Z3 M8 f/ {; x4 s - int fd, ret;3 V) z, X$ g0 \5 T
- e2prom_s_cmd arg;
6 A0 ]2 `: z- \/ V2 P# K0 ` - unsigned char buf[0x18]; I1 w- j/ b6 L. c) E8 @. P
+ a& b$ e5 K: Z; I1 |- memcpy(buf, mac, 6);
7 v% i" J* D! S: Y; c - memcpy(&buf[6], stbid, 18);" j) L" ^* b6 v+ R: a
- fd = open(E2PROM_DEVICE, O_RDWR);8 U# E7 H9 I0 b5 ?
- if (fd < 0) {8 g4 T) M+ p: u0 L
- printf("Device %s open error.\n", E2PROM_DEVICE);
5 Q- ^4 q" }8 A1 U - return -1;
5 r9 P# u/ Q! W+ \# j9 ]' ~ - }% }/ H; g% V1 w6 _2 ]; y
- arg.sub_addr_count = 2;/ G9 \/ q3 S2 h5 p
- arg.data_count = 0x18;( j: E" n2 v$ k( ?. L, m1 R
- arg.e2prom_cmd_sub_addr = 0x290;. ^- h+ N/ ^4 S
- arg.e2prom_cmd_data = buf;
2 n; j% P0 A; Y9 L% C+ a* O - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' t8 s* S$ B$ |: c" y4 `5 d
- if (ret != 0) {
5 {8 W# M1 m# }) T0 f9 b - printf("Device %s write error.\n", E2PROM_DEVICE);
9 L, G! s. }" _( u/ | - return -1;' d' A( S0 L8 m# k7 J
- }
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1 s7 J$ \- v& R* Z2 ]- return 0;# k; ]/ t/ M/ y5 ^/ y! t5 b5 I+ E7 x
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9 o4 t4 I, w8 I- T8 G- int main()( Y8 p! k* V2 s1 d( ?2 S# X
- {" j2 v; Y7 n' ]- Z
- char c;3 T+ w+ I( K, g" {1 T
- int i, macs[6];7 S9 C* V0 |* G% T9 d3 O
- unsigned char mac[6];- P5 C" |& r' m, E& o h
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
1 [9 m H" O" ?; [1 D - return 1;! s0 }, x* b# y- Y4 Y/ ?/ G) b, s
' K" |# f. P9 n( k9 d* _& F+ S# P( Y- printf("Current parameters: \n");: p. e0 l! Y* [4 F
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; N8 o% T+ p, Y; q: l: t% G( g7 X - printf(" STBID: %s\n", stbid);( j7 x& O' d6 H0 D
-
+ V/ E# m" U7 N0 i - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 ~4 t: {9 V4 O1 G& G
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 E; g) e/ }# O' v, C2 f( J, S2 W
- printf("Input MAC error\n");
# G9 \6 [/ W, [7 B* z) i - return 1;
- K, V k( |2 F& ? - }& C. [7 ]' Z1 ?6 z
- for (i=0; i<6; i++)mac[i] = macs[i];/ t8 F$ U2 e3 k
- printf("\nPlease input new STBID: ");, W7 h/ K5 C0 e! q, l5 W
- scanf("%s", stbid);
. U/ T1 G" _( v0 Y, \/ Z - if (strlen(stbid) != 18) {
' Q4 G" `! P; r) [. e7 ` - printf("Invalid stbid\n");
* u& i4 ^6 \; P" N* Q/ P - return 1;! H( k4 n- ]4 l& q, Y! S9 o
- }
7 ?( }9 F" t' T: o - printf("\nNew parameters: \n");% B, Z8 D# m5 k C* ^' w* }
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ E8 b+ V" V7 R! u - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
+ {( F+ e* s E6 U- d5 n1 Z - for (;;) {
) ^# \0 v5 b3 J2 {$ a - c = getchar();
, K1 L$ x6 G5 i' t1 Z. Z# i - if (c == 'y' || c == 'Y')
L0 p. d4 I5 x' `/ A - break;+ N% ~9 v; O0 W. ~# |0 t7 Z
- if (c == 'n' || c == 'N') {! v# c. c( n. q: M3 ?5 E' D
- printf("\nAborted.\n");
8 O* k2 q |, g& m - return 1;
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- }. e: ~1 l' a, N7 K4 z: h5 q) C
- if (writeparam(mac, stbid) == 0)
: n" p+ t% `6 W1 n- |9 p - printf("Parameters changed.\n");0 C9 D& Q/ c0 M' J* ~ R
[+ \3 P' R) b7 q- return 0;* F( e, Y3 G( M W
- }
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