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。
; I- R" p& S4 @/ u需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
) j' k4 C% R O: r. Y - #include <malloc.h># E# ]. h) `+ j' V
- #include <sys/types.h>: x- n5 S! ]$ E: ? A
- #include <sys/stat.h>; g. N( h. m# b9 C) T
- #include <sys/ioctl.h>7 @6 }$ C) x& Z" G
- #include <stdio.h>
# x0 ]* r1 }* l( T6 ]3 R - #include <string.h>+ V1 Z% m' m5 t& q+ a3 `% K: R
" G+ f& g' }" u" \7 s- typedef struct {
6 D. Y& E' x& d2 G - unsigned int e2prom_cmd_sub_addr;
3 z) z, H" E( z' R: @) M6 n0 M' t - unsigned int sub_addr_count;
& G6 \9 T1 @9 W& G" ^2 g9 I$ ~ \ - unsigned char* e2prom_cmd_data;9 z2 K, a, F; X' F1 k8 {
- unsigned int data_count;
9 P4 j, O$ X3 T& r6 Z* _ - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 10 A; F% |/ n+ U
- #define E2PROM_CMD_WRITE 2
4 ?: x8 N3 `" f& d5 }8 H! }' S - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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' E+ g: z( q: ~" e }- static int readparam(unsigned char *mac, unsigned char *stbid)% M% {. l+ z( c0 X
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- int fd, ret;5 H% x" `- f! h% T2 v# |
- e2prom_s_cmd arg;) d, [' W% F& S0 E+ j4 m1 U
- unsigned char buf[0x18];5 O, r, q, p L) ^6 d& V
- 5 N6 U( T2 _3 B- ^5 i* U; n/ C6 x
- fd = open(E2PROM_DEVICE, O_RDWR);' T* [" H$ n% F; i" ]/ w: A
- if (fd < 0) {; p, P: l. y9 I7 N
- printf("Device %s open error.\n", E2PROM_DEVICE);
5 u4 E! O. V, _2 f# b: x9 U - return -1;: ?8 c! T9 _7 n
- }
2 P* w }8 O; C& Z3 `. p - arg.sub_addr_count = 2;
/ w6 @. I; N" ^) M$ a f - arg.data_count = 0x18;% `, ~3 `% Z* C7 j5 S+ u' I6 w
- arg.e2prom_cmd_sub_addr = 0x290;
" C- G5 s3 T5 O" p$ N! B9 J% w - arg.e2prom_cmd_data = buf; f& b5 |! M* w7 k0 z1 n, a/ L( j
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
! \7 R' S" o+ Y4 p9 a" Z- x - if (ret != 0) {; K& [* x, G9 h1 ?
- printf("Device %s read error.\n", E2PROM_DEVICE);2 @/ ]4 X. q8 \0 O
- return -1;$ v Y) ]. n) S' n" j
- }
) O! Q \4 V: }, {4 ], S: y, y; x - memcpy(mac, buf, 6);' z) N0 k9 {5 \2 M' c
- memcpy(stbid, &buf[6], 18);
% Z( f2 w6 G% K9 ^ - stbid[18] = '\0';) g4 K: o* e; K2 j
8 u7 }" y4 h1 ~7 l: g ~$ R- return 0;3 @; Z7 H5 @" O! E& `
- }
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) L! y# H& h7 E; R( @- static int writeparam(unsigned char *mac, unsigned char *stbid); v( p: V Z* h) m8 H1 }; A
- {
6 D7 n+ @! y3 w' n0 x& L - int fd, ret;& s* x0 _" }) S
- e2prom_s_cmd arg;
0 R) M2 H9 A. J; r9 J3 K2 H5 m - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
) S; K" Z k. |9 @# m - memcpy(&buf[6], stbid, 18);
+ m( r0 n1 l h5 K - fd = open(E2PROM_DEVICE, O_RDWR);4 r, {6 d5 f, O7 o
- if (fd < 0) {
: ?1 k5 q: ~# R0 ?8 Y - printf("Device %s open error.\n", E2PROM_DEVICE);4 S/ p$ Q7 ^2 s1 G; Y, l# D
- return -1;
1 S3 H" j( N1 q" S. x2 { - }
: J) y$ ~' c5 u. m/ ?/ f - arg.sub_addr_count = 2;- P: A: z, c2 }' W* }# t
- arg.data_count = 0x18;
. \$ d. s" S! |3 `/ d$ F - arg.e2prom_cmd_sub_addr = 0x290;
+ _. G7 }2 H1 a% p7 J2 ~ - arg.e2prom_cmd_data = buf;/ O4 w2 a3 K7 P. \# |0 x( b. n
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 _$ W6 u7 t' v( _% U* `5 C
- if (ret != 0) {
( C g3 ?0 @' U" o# h# |7 a0 r - printf("Device %s write error.\n", E2PROM_DEVICE);% f& H) ^3 C# ~% }. E
- return -1;1 ~" Z; W% [9 y( x
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9 y2 t' L7 x) e$ s7 M7 ^- return 0;
8 U0 I! a+ U$ F3 X - }
- g2 U4 \" H9 X
# a- B5 x1 D# k7 F- int main()
# N% T4 e4 y( X5 g" s+ ?$ ` - {
+ M; U. W3 J- Q6 y0 i) x" j* Z6 K - char c;
! N3 |/ K5 u8 [- g: C - int i, macs[6];
5 b H2 ?* Z2 z6 g - unsigned char mac[6];- L& m) p; Y% w. F2 o0 S% t
- unsigned char stbid[256];
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" j, l* Y7 t/ x y, q5 h, \- if (readparam(mac, stbid) < 0)5 m$ F3 F# N& \% d& v
- return 1;
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% [& z. ?& K ?% b1 b: X2 ~- printf("Current parameters: \n");" V {/ j. T! c6 e! G, j. D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% S( H; `( n4 a- d7 M) @ - printf(" STBID: %s\n", stbid);/ Y5 H8 i% U8 o6 w/ o
-
1 Z8 s& `) z$ i5 ]1 B) d- [- o - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");' S# q7 b, N/ g
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 ^, j5 o. L! R
- printf("Input MAC error\n");) G* ?9 E" G7 F1 }0 K) }
- return 1;7 l2 Y! t; R% D' E/ v
- }
$ z. ?$ m9 c Z) D- v9 ? - for (i=0; i<6; i++)mac[i] = macs[i];
5 B% L S* P& v8 Q - printf("\nPlease input new STBID: ");
$ m: r" u+ I# a( T8 U8 W - scanf("%s", stbid);+ o. o) u9 p; H3 o
- if (strlen(stbid) != 18) {
. w0 j. _9 b4 T% M - printf("Invalid stbid\n");: a% N, m' u9 b$ Y l
- return 1;) Q' y/ L0 V, {- A8 B
- }+ M& f; p- o$ V1 C
- printf("\nNew parameters: \n");
9 C- n* C1 B8 l4 t. C - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: g6 _5 T& w/ |% e" g
- printf(" STBID: %s\n", stbid);% ^, G0 N5 f0 B& |$ [4 v A
- " u7 M" N& I* H1 y, Z, \) }2 H
- printf("\nDo you want to change paramemters? (y/N) ");9 d' z/ b5 `: [0 K4 F, Z
- for (;;) {
# Y, z0 N2 u. t) D - c = getchar();
z% z( _5 p) _4 _; `7 n - if (c == 'y' || c == 'Y')0 E; z/ k1 ]2 w; ?
- break;+ U* F" o9 b' p5 m8 l
- if (c == 'n' || c == 'N') {: n) I" b R/ S9 x4 ]
- printf("\nAborted.\n");5 F8 B9 h5 W3 K- e+ O) o# \) s
- return 1;1 u0 m2 I: x/ b
- }# U0 V; D4 Y, m
- }# |# w% e0 g: R
- if (writeparam(mac, stbid) == 0)
3 S' f# j; m3 s4 {: n k, l$ L - printf("Parameters changed.\n");
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- return 0;
+ s% S8 q$ }" R - }
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