本帖最后由 0522 于 2012-3-21 23:04 编辑 - \- p3 @& n/ L" r) ?' `
% b3 Q( `8 V) B6 c; A修改的代码早有了。到今天不会编译。
. `+ u; v S$ G3 s- x1 G需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 \/ ?6 T! r+ p" f/ s& Q - #include <malloc.h>
" K" q( X' V7 k" _0 a/ m# z - #include <sys/types.h>6 H7 o0 A5 u+ F/ d
- #include <sys/stat.h>' M) _' h" k+ q0 F8 ~
- #include <sys/ioctl.h>( }6 B; a* U! R3 k. G
- #include <stdio.h>
9 E/ w7 G% h! |/ Q7 { - #include <string.h>$ r- m. E) B7 {1 c
- / q$ A0 \1 a8 N: X A( G; a b
- typedef struct {. E8 H3 D0 T8 ]3 M, s0 {% k0 ~
- unsigned int e2prom_cmd_sub_addr;. e, q0 T& A! p% R8 w( ?' `& N0 j
- unsigned int sub_addr_count;
) M5 }3 R- ?/ o% i9 p+ C0 ~ - unsigned char* e2prom_cmd_data;
. r* e) n( n3 B - unsigned int data_count;8 x2 O1 k) ^) h
- } e2prom_s_cmd; B$ l/ Z! B; q( H! ~) U) h9 l' U
- 8 q6 D x! h2 p" W
- #define E2PROM_CMD_READ 1/ j$ P- J( d4 B) Y% `5 I- S, B
- #define E2PROM_CMD_WRITE 21 K2 Y& @9 v( J* @; h! l, p& A
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", o' _1 m# n5 w
- a$ D/ S- h8 O+ T& I
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;) |$ ]2 Q0 Y1 b4 @
- e2prom_s_cmd arg;# ~$ T2 @; I! d
- unsigned char buf[0x18];2 v$ F9 l/ _9 O0 s0 k6 T9 U# \
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- fd = open(E2PROM_DEVICE, O_RDWR);+ t9 ~8 v0 c2 B5 g4 \& v
- if (fd < 0) {. N7 _' i& D$ b! R8 p
- printf("Device %s open error.\n", E2PROM_DEVICE);
5 S; n2 R( q- w J; A - return -1;
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- arg.sub_addr_count = 2;) w# Q. H9 f+ \2 Z# \" ~
- arg.data_count = 0x18;
1 r) O6 _+ f8 g2 t. Q% c1 F - arg.e2prom_cmd_sub_addr = 0x290;
0 C% o$ o& i) P& e+ H/ n1 d - arg.e2prom_cmd_data = buf;6 P* B+ G& G7 v5 b+ m
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
! f, i- l" [- W5 v0 Q! o - if (ret != 0) {
2 H$ ?; g/ Z) V: i - printf("Device %s read error.\n", E2PROM_DEVICE);3 R; ~9 e6 Y7 l2 M
- return -1;
J) K7 M0 S) `% \$ i - }
" A+ t1 }( I* l2 F1 d - memcpy(mac, buf, 6);
! s# ?: z" q% b6 s* a# { - memcpy(stbid, &buf[6], 18);7 G9 ]' }4 K. _$ W5 h
- stbid[18] = '\0';
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8 y" @4 M/ I* ?1 m# U z- return 0;
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- 7 K: m4 V4 v. |8 V/ d
- static int writeparam(unsigned char *mac, unsigned char *stbid)
; E. t, V1 x/ O0 ^' H - {
8 ]" l9 e, R! b. L( T( P9 l' g - int fd, ret;
# W. m1 {: A6 e2 p1 u) S# e - e2prom_s_cmd arg;- T& O$ v2 P! W4 @* J
- unsigned char buf[0x18];- ^) U; B$ w4 f4 U: u% d2 B" h
- % A+ e3 j$ n8 M
- memcpy(buf, mac, 6);! O8 B7 ]3 ~2 W) p, E' h8 d
- memcpy(&buf[6], stbid, 18);
. g9 u& {- H. _8 T1 Q# h - fd = open(E2PROM_DEVICE, O_RDWR);
0 m. ?' Q/ [( N% \2 l R" b - if (fd < 0) {
/ s( L' a& N6 a7 z8 @! U. {) v# B" c - printf("Device %s open error.\n", E2PROM_DEVICE);
0 t, Q! i B* c; M9 C; _7 m - return -1;
1 {% D; E% e' W+ E - }
9 A" q) h" s, F: W" V$ a - arg.sub_addr_count = 2;2 a1 t* u/ R7 [* ?4 Q+ d& ?8 i
- arg.data_count = 0x18;
3 P/ z8 l( U! w6 j/ t( J' x0 Q { - arg.e2prom_cmd_sub_addr = 0x290;$ M2 M5 o* o: M- ?7 e- S
- arg.e2prom_cmd_data = buf;
! h; H; U4 m. @' ^ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 F8 d" h# @/ |3 \! q - if (ret != 0) {
5 y: l) v, P9 g6 O% W - printf("Device %s write error.\n", E2PROM_DEVICE); B# P% @/ j8 A
- return -1;. E4 m/ x' c* F( P. [
- }
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6 B: t3 O* O- T" c4 z5 C- return 0;6 r) f" Y. `* p, ^1 }+ u2 q1 q
- }
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. N1 J5 Q3 O. _: b: V- int main()4 s2 R& a U4 B( E$ D/ @
- {
4 C Z1 j k7 Z% b/ \) } - char c;
( P9 T/ Q* h0 Y4 d; |& a - int i, macs[6];
: C4 d; w: \. F7 c$ P% f - unsigned char mac[6];
3 e+ P3 T3 ^- e, M$ L8 ?6 L3 V - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
/ d( O3 @# R, n5 k% T - return 1;
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- printf("Current parameters: \n");4 j3 r) m/ T: k
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 F; y, r# \: @6 z5 [ - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ X1 p2 D$ d- d0 F1 t) B1 l) i
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. y+ w! }+ `( B$ N& [ - printf("Input MAC error\n");
( V% n6 k% C, F. O+ t* ? - return 1;8 W! e8 L2 v+ s3 z
- }
3 F2 u3 X+ Q( G' e: d - for (i=0; i<6; i++)mac[i] = macs[i];
% @; \/ a) c0 X) ` - printf("\nPlease input new STBID: ");( E: w! r0 V6 y7 z8 ~# P! x4 d
- scanf("%s", stbid);
8 |7 \1 v6 D0 ?+ i2 h - if (strlen(stbid) != 18) {
! R( b u* q- r I - printf("Invalid stbid\n");
" ~. \9 s8 x1 C f% i3 x( Y - return 1;9 Z1 \5 [( @% k% j0 z' u: }
- }
5 e7 n. E9 U2 v2 G8 r - printf("\nNew parameters: \n");
% M9 W* N: t% @7 d1 d* C& b6 r - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 ]1 y/ ? B5 Q W
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
( w7 C/ E/ M' r& T& ]7 y: I5 r+ ] - for (;;) {
) T1 s2 a1 w5 M6 C/ }" a; V - c = getchar();
. j3 [/ @! u) ?( O- D8 A - if (c == 'y' || c == 'Y')
7 _4 p* O3 ^) e( A- C5 m! l: T% R; t - break;
$ f6 n F! g# `9 Y. I0 R - if (c == 'n' || c == 'N') {& g& o* ?5 N+ w( x/ F, u
- printf("\nAborted.\n");
7 X# g. p" g/ ]$ C+ }( h - return 1; @3 L% t+ x5 \! @: F: U
- }5 S( _ F# w! `$ B9 W
- }
! p, Z$ s" e7 N& P6 S - if (writeparam(mac, stbid) == 0)
4 Q1 w/ H: `* s1 [ - printf("Parameters changed.\n");
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) @7 S2 J8 c. {3 b2 O- return 0;
9 W; T7 \9 j' M - }
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