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。
, b* G( k4 Y/ g# l* E1 Z4 n需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& [2 v5 {6 p" k, s1 R/ ^6 t3 T
- #include <malloc.h> r$ p- B( N3 F0 O
- #include <sys/types.h>' S% R: h+ W$ e* Z
- #include <sys/stat.h>
; F! W' B# U$ e0 I% | - #include <sys/ioctl.h>7 ^) ~& F% G5 ^$ v/ z7 H# ~& n" @
- #include <stdio.h>
! |$ e: J% r" c3 _: E# | - #include <string.h>& t0 M4 m9 Z: P( Q3 H2 o3 m7 T
- # W9 l+ T8 t/ l* _& G/ H
- typedef struct {
+ G4 p- x, |% ?3 z9 T - unsigned int e2prom_cmd_sub_addr;" o I" c# i# Z" S4 K" i" l* B
- unsigned int sub_addr_count;
5 w* C0 o$ v; d( V2 _ - unsigned char* e2prom_cmd_data;
% ]# S+ [5 [) c5 }9 F% [ - unsigned int data_count;3 n, f. B' E, _
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
& P4 }5 a' B2 f0 k% V# j - #define E2PROM_CMD_WRITE 2; j5 H$ i) J; n7 y \" w. m
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 y& U7 H1 D. D( }4 A
- / M: z( _/ S) M
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
' o0 ~0 t: E" W9 D/ b0 X6 S7 r - e2prom_s_cmd arg;
( U* U, _9 H* f4 @) Q; | - unsigned char buf[0x18];( m3 s0 a6 u0 y9 ~) E: b
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- fd = open(E2PROM_DEVICE, O_RDWR);: d! T; ^2 a( c: b6 g' _! w
- if (fd < 0) {/ h6 l6 C3 I& w0 ?9 V
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ b# H+ @7 C* r4 T4 O% k6 V - return -1;9 U- j9 m$ ]1 X+ w% p0 B
- }, B, W) D. w* D" Z7 g& Q
- arg.sub_addr_count = 2;
: [( n/ {3 A4 l( P - arg.data_count = 0x18;
( _$ s8 n7 Z- o% @: Y X - arg.e2prom_cmd_sub_addr = 0x290;- V5 r" D6 M# U5 L! D
- arg.e2prom_cmd_data = buf;
1 ~) r( A, q! y - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, ?+ w0 r5 K" `: q" x& M5 d - if (ret != 0) {
: v6 w3 l- P0 O7 ]5 ]9 d/ C: I - printf("Device %s read error.\n", E2PROM_DEVICE);8 ]) g, a) \6 c! l
- return -1;
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- memcpy(mac, buf, 6);1 B( c- \5 a( V( e7 G
- memcpy(stbid, &buf[6], 18);
2 K- H2 q3 t2 M' c7 d- S - stbid[18] = '\0';
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- return 0; y5 e n% J2 r4 \
- }/ O" h! g6 q& F0 ^, w% p- q/ W/ e
4 I$ |) f0 R' {) o- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;9 }. M3 w/ ~' W( q7 p5 a! h F, J
- e2prom_s_cmd arg;
5 o0 ~% E9 f/ Q' j0 ~ I - unsigned char buf[0x18];
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( o5 L8 E& o6 L( x; U- memcpy(buf, mac, 6);
5 G v% \ i: Q: L4 |( W( u - memcpy(&buf[6], stbid, 18);7 J \% M8 i2 H) I+ w1 `1 ?
- fd = open(E2PROM_DEVICE, O_RDWR);
/ e) [0 D" {1 x: f2 ]1 x - if (fd < 0) {
2 _' n" W4 Z# Y - printf("Device %s open error.\n", E2PROM_DEVICE);) G7 l% X/ u( b7 _7 D2 n1 ^
- return -1;' J1 m0 h% V) t+ C: ]6 F, x: j
- }
7 p5 x0 F% P& c$ ?+ n6 T$ T - arg.sub_addr_count = 2;
% B! x$ V. O8 b* `6 O- J - arg.data_count = 0x18;
$ S/ l9 u8 l9 E% | - arg.e2prom_cmd_sub_addr = 0x290;3 d5 e8 D6 P# p* S( C* L- `
- arg.e2prom_cmd_data = buf;5 M1 m7 Z6 c7 P! o" [
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
& i2 T! Q1 G( A - if (ret != 0) {' G/ C; S% |! ` f' X7 ^! y" Q, F
- printf("Device %s write error.\n", E2PROM_DEVICE);
# d/ j8 Z8 M& _* B$ J - return -1;3 v" \% ]% y. i4 _+ O
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- return 0;+ [7 e' c- ?8 ~ F! e* l
- }
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2 j, _ a3 P, V F! _9 i- int main()
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9 |2 E. Y# g7 \: D+ J5 l8 M" @$ d - char c;6 k: v# i. K! c, ?/ g# L; B) Z
- int i, macs[6];7 m0 w0 X4 B/ H% ^3 o( {! t
- unsigned char mac[6];
: z/ D) i# z0 j, s5 | - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
* _# F. y! q$ n! n - return 1;; @/ o7 R- b+ y" Y$ ?+ O4 ^1 I$ h1 Z
, [+ E) u4 x: g3 e- printf("Current parameters: \n");
0 }. |9 I8 B0 i- |$ w) k6 } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ v! @5 d2 t5 V, c' p h: i
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 ~1 H1 F8 i3 _
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 s z; e+ h6 a5 a2 }: L, { - printf("Input MAC error\n");2 f# ~3 B! A8 S; A8 g
- return 1;9 m) K0 ~0 q t( t$ h3 ~
- }
. U1 h4 G& b; l4 h2 |& ]2 ?* D& B - for (i=0; i<6; i++)mac[i] = macs[i];& f! e5 T6 X( I. N, W
- printf("\nPlease input new STBID: ");# a! u( ?4 D9 R8 ], n# V/ {2 q
- scanf("%s", stbid);/ t5 w' C9 S" ~* _
- if (strlen(stbid) != 18) {2 B* H# @: Z5 e
- printf("Invalid stbid\n");
) c: E5 `2 G' v- y. t; w. G9 E$ z* O - return 1;" `! U) F6 P5 m' o4 |, X6 f5 k
- }
9 G/ h- x+ ^8 L: ~5 F! A - printf("\nNew parameters: \n");0 m, z. ?) [- S8 W" \8 t
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 |7 V" k# a3 C- H( m) \! h4 x0 W - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
" a4 i9 I: _& a" z7 f - for (;;) {5 B) E$ F4 P, G. @
- c = getchar();$ b; }7 m2 o1 F9 r4 b7 {
- if (c == 'y' || c == 'Y')9 L7 ^! [: f ~( S% ?& j
- break;# ?, D9 H6 o- v) z
- if (c == 'n' || c == 'N') {: p- q; J8 i( V( A" {0 o
- printf("\nAborted.\n");. }5 x' j$ G# x& ^0 O, U
- return 1;
1 _' w1 h) S6 e - }
: `6 n. q4 W8 y7 U3 E! Q. K, r - }
% @- e, V$ W3 U$ i - if (writeparam(mac, stbid) == 0)
: _' h B8 N: |$ c - printf("Parameters changed.\n");" r" t8 P2 E$ k3 k; l# Y% g5 O1 a
- ) {+ q1 ]# F# R# _
- return 0;
& `% D* j0 v. v - }
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