本帖最后由 0522 于 2012-3-21 23:04 编辑 6 `3 X5 h# N0 n7 w* W( w# J3 B9 @8 ~
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修改的代码早有了。到今天不会编译。
( v4 i! u+ q' V需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" T, p0 U( w5 G6 L - #include <malloc.h>
" A& l+ O3 `# g n - #include <sys/types.h>
1 ]; |4 \$ C( I4 o3 t# O - #include <sys/stat.h>
" p4 c1 U1 q$ \/ ~3 a+ Y - #include <sys/ioctl.h>* C# w1 D4 j9 ?# E# y
- #include <stdio.h>
5 e+ L6 D+ l6 N5 ? - #include <string.h>& }1 Y1 c2 i( F4 P X4 ^! R; ^
/ T: n3 E: g4 g c) N0 K3 H4 X" @( V- typedef struct {
$ s/ [& @0 @4 \0 H Q - unsigned int e2prom_cmd_sub_addr;& j8 {# {+ X/ t' M; R0 R
- unsigned int sub_addr_count;
/ O# `. ~1 ?4 H1 v; o4 s - unsigned char* e2prom_cmd_data;
8 k. j( o+ B# l, A9 H3 e, X - unsigned int data_count;* ]) P1 o4 C6 M6 c
- } e2prom_s_cmd;
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9 T3 j+ P0 ?! z' I8 } k- #define E2PROM_CMD_READ 1
9 a# s: A+ L9 D- N - #define E2PROM_CMD_WRITE 2
1 ]( D% c$ K2 @& s7 W0 \/ ]9 j - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"- U/ D# G j% R7 E/ J" n- k, ]
- $ r( n R: |( r+ D5 N' V
- static int readparam(unsigned char *mac, unsigned char *stbid)
4 l0 f& z8 \0 j7 q# J* d - {
+ g1 O) z7 H& U+ e - int fd, ret;
2 |5 e4 ^: a6 W% o5 y. c - e2prom_s_cmd arg;5 }; S/ y9 @" G$ [$ H: V( R$ K) S
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
1 e4 |. L) Q' @9 l9 d" Q - if (fd < 0) {
* B7 B% K0 Q# \; p& N( r% i - printf("Device %s open error.\n", E2PROM_DEVICE);
* G( p# u4 c3 M A5 ~ - return -1;' C# u$ d, t. q5 {* f" J2 n
- }6 W9 R6 f: B' n, x% H/ S
- arg.sub_addr_count = 2;1 l" U& d J+ Q* i* \9 ~* e O) _
- arg.data_count = 0x18;/ `7 j. j1 d7 P3 p5 u3 u
- arg.e2prom_cmd_sub_addr = 0x290;
/ Q& a7 l2 }% V# p7 i - arg.e2prom_cmd_data = buf;% m+ p5 S$ f# j: k+ C
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
+ J# n% f1 }5 P! F - if (ret != 0) {
1 ^! c& H* G$ U L6 R; K3 P - printf("Device %s read error.\n", E2PROM_DEVICE);
7 x j+ c. O6 d. H# Z' { - return -1;8 B1 E: x! _4 V4 i) ]
- }) d y' f% L, \3 d4 p
- memcpy(mac, buf, 6);. |, T3 C! Y. F1 Z: r
- memcpy(stbid, &buf[6], 18);- K9 x0 h5 H' L$ z2 D
- stbid[18] = '\0';
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+ a( I' }1 G# H5 Y& D- return 0;$ x; p" G8 ` L' r! [: z; w' o
- }8 i+ \4 l9 @: Y: q( G! i. w
8 l: d4 V4 a( b# ^% ^1 @3 Y- static int writeparam(unsigned char *mac, unsigned char *stbid)
% ?: w9 v/ s' P5 m - {# m; e4 E" x: D8 S K/ E
- int fd, ret;. C3 o( i b' H! Q
- e2prom_s_cmd arg;# j0 v4 `+ G8 f
- unsigned char buf[0x18];
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2 J9 o! S! Y2 ] \- memcpy(buf, mac, 6);
: K% z6 o* |$ G J2 W - memcpy(&buf[6], stbid, 18);9 K1 u$ o1 x) N8 W! S
- fd = open(E2PROM_DEVICE, O_RDWR);" R& i; _0 v& I: Q+ \+ b# P
- if (fd < 0) {
2 L( y9 m7 V C - printf("Device %s open error.\n", E2PROM_DEVICE);1 L+ D8 @0 ~0 ?% K3 E/ J, F; U
- return -1;
1 `$ j" `8 d9 r; }* s - }
/ r' ]. Y- C o/ h - arg.sub_addr_count = 2;6 g( h: m$ |. M
- arg.data_count = 0x18;0 E/ M# v: [+ j3 {- i- p0 z
- arg.e2prom_cmd_sub_addr = 0x290;
; a2 i3 x3 ^7 U. z! @ - arg.e2prom_cmd_data = buf;$ O# X2 ?; z" r/ x
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);7 |. ^3 b' x4 T2 ?. `9 E' N
- if (ret != 0) {
/ _- I& a- i; J% {4 d6 B0 T - printf("Device %s write error.\n", E2PROM_DEVICE);
4 Q. o. l6 i% l( Y - return -1;
& s: h }5 X1 X3 S, Y$ h - }
0 ~: t+ E- t4 t1 x3 U1 r - 6 c4 m8 L) h" G1 }
- return 0;
/ U1 J8 W5 \1 I$ c- @) @ - }
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- int main()8 C6 _0 J( L/ U5 ^0 u$ v
- {/ D% z0 u' q; i' A& P+ U
- char c;
5 a( ^( |& i( \ - int i, macs[6];. m& p0 q* k; R6 F* f
- unsigned char mac[6];6 p$ P. G2 d4 L; C0 g& [
- unsigned char stbid[256];8 a2 e$ A( \5 `, s+ u5 p& F$ l/ X
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- if (readparam(mac, stbid) < 0)
& S' V5 @6 ^) k0 a) ?! T - return 1;, F: }7 D" J* o1 ~" ~7 ^& [
- 3 g2 R) X. E0 v4 t
- printf("Current parameters: \n");+ \, O! Q- @" V8 K1 ?8 W
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 w% \+ r5 x0 ~5 T
- printf(" STBID: %s\n", stbid);
; S8 V" E0 j! M( c5 t* { -
' O$ L+ W! \0 w/ A+ z1 Y - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");, E+ K5 O+ ^, E0 t+ X
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 i7 [1 u+ A/ x6 O' n" G. o7 c/ n - printf("Input MAC error\n");
5 l) d' n2 E, D3 Y/ a5 \ - return 1;
# U! c8 T: b& w8 d- a - }
+ q3 P6 `6 r4 s2 h5 I) ` - for (i=0; i<6; i++)mac[i] = macs[i];( r# Q6 R, w! r8 W
- printf("\nPlease input new STBID: ");
/ L* e# v0 J& D" o- `' h1 n( ? - scanf("%s", stbid);* n& y* N) ^9 O7 r
- if (strlen(stbid) != 18) {
4 h2 R" Z) E7 v, ^7 g% @3 _; C8 Q - printf("Invalid stbid\n");" r( k4 O* y# [7 M
- return 1;4 s; J- t+ |( w! d' i
- }
: r* L* D/ _$ t; u - printf("\nNew parameters: \n");* G, X5 j4 \# p( v% D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' _. z p% K- H7 Y5 e( F
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
8 t* C% P0 n& i$ q" n6 K3 x2 W - for (;;) {+ B! T$ e, v3 C+ i0 z8 {4 N3 D! S$ \
- c = getchar();
* y) E5 J) O! I) u( y1 P - if (c == 'y' || c == 'Y')) T p0 c4 `. l5 v( N. X2 n
- break;
8 n! ^1 Q% b6 x3 k+ W5 [! P1 i9 _ - if (c == 'n' || c == 'N') {
4 N- w; j2 X9 N/ V/ \# |2 { - printf("\nAborted.\n");
# W( S: E! e. P3 N7 n( ?" h - return 1;
( h: m. ^ a. h; A Y3 |2 C8 w% z* G - }
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- if (writeparam(mac, stbid) == 0) 3 v0 B! M, h3 ?* F+ A( J4 u ?
- printf("Parameters changed.\n");# c' [5 E7 G$ C
, D @' R* F6 i, X0 W: e- B8 x) W4 O- return 0;) \8 u5 Q( q! {+ x+ h+ I
- }
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