本帖最后由 0522 于 2012-3-21 23:04 编辑 6 O, x4 O. w3 w5 O
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修改的代码早有了。到今天不会编译。
- z: E |- I) O# u. [: I& |! G9 c需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 e, Z6 c K0 e5 K; X - #include <malloc.h>2 z& y) `$ Z4 T: Y
- #include <sys/types.h>
6 b( ?" W% C2 e K, P - #include <sys/stat.h>8 y6 m T/ Q. V% D; n( i4 p, e
- #include <sys/ioctl.h>- h6 ~6 f% w& d2 D; I
- #include <stdio.h>" ~8 G: K8 L2 g r+ a
- #include <string.h>) ?7 O( L- O# Q, V) Z
3 _2 _' c- _. ~/ e! M+ H- typedef struct {" Q6 I6 X" `- Q
- unsigned int e2prom_cmd_sub_addr;6 K! z* v' T0 T: A
- unsigned int sub_addr_count;
1 T2 `* p9 @; _6 b, @% p - unsigned char* e2prom_cmd_data; o& j( {6 ^# e6 J
- unsigned int data_count;
$ J2 `1 d8 S4 [2 d# A - } e2prom_s_cmd;
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/ L) K. N" r; r( A6 n- #define E2PROM_CMD_READ 1( j! }) x$ `6 P' Q6 s. f8 l9 r
- #define E2PROM_CMD_WRITE 2+ i& k/ G. Y7 h# D3 \
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
' f( p6 V: ~3 B7 O6 x) D. H - {
) V- Y4 u% E8 ^9 u8 w6 W# H, X - int fd, ret;
/ h& Q% H' ^' l - e2prom_s_cmd arg;
1 }, C# r6 T6 m - unsigned char buf[0x18];' b8 }2 ~0 |# j/ e3 K0 E- P( Z
6 D" v1 X$ p. N. ^4 l- fd = open(E2PROM_DEVICE, O_RDWR);
5 s+ N4 E. }5 I3 d - if (fd < 0) {
, U& A8 G1 n( l8 ?7 z7 j. V - printf("Device %s open error.\n", E2PROM_DEVICE);
) [7 V" B( x. s - return -1;
' [9 N4 t6 }1 t - }
8 [5 c/ ?6 r, P# p% P7 f - arg.sub_addr_count = 2;) k5 i+ K* b. ^. z. s3 {
- arg.data_count = 0x18;
5 h# I# U1 W! p3 }3 |; I3 H- f - arg.e2prom_cmd_sub_addr = 0x290;
1 k/ l/ h" L2 R" O - arg.e2prom_cmd_data = buf;9 a* I. h+ O: R5 v
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
* b5 D1 q+ \- f, ?1 h+ U4 v4 `8 Q9 } - if (ret != 0) {
" l7 B `& e) e+ Z% ] - printf("Device %s read error.\n", E2PROM_DEVICE);
. d6 O1 O9 l- j {) A - return -1;# V2 [$ T* S3 i& u" M$ S0 n
- }
+ N7 B& W( \ {1 x - memcpy(mac, buf, 6);& S; z- s d! p4 |& T) q# R
- memcpy(stbid, &buf[6], 18);/ B; Q* ]1 }3 U7 j
- stbid[18] = '\0';: U' c& F! L f+ l0 x
- , s6 G! h N( W% \2 L
- return 0;6 G: V% d' ^5 R4 J3 u& _4 p' V' Z
- }1 U' z u! S+ S7 E4 X: k U
" C( r& n M& M- h- static int writeparam(unsigned char *mac, unsigned char *stbid)
. @: A- Y1 f1 x - {
# J5 C; ]; C; \1 x6 |/ G- q - int fd, ret;% y9 z& |* y. f& a
- e2prom_s_cmd arg;7 _ {& W6 I: N( a. v. l1 }& K4 S
- unsigned char buf[0x18];2 E$ H* \# {; @ Q3 n* C0 v7 U
- 9 t: Z- o5 U# m4 C" F+ Z
- memcpy(buf, mac, 6);+ @/ i. X y9 l
- memcpy(&buf[6], stbid, 18);8 \/ h7 I; W& m* d" L, X
- fd = open(E2PROM_DEVICE, O_RDWR);0 x9 M( J8 l6 d" a/ X R% V
- if (fd < 0) {
# U3 _$ p% f( E& o9 U - printf("Device %s open error.\n", E2PROM_DEVICE);0 r4 ?) `' P* a# q( N
- return -1;0 P, `) {# I. S, _6 q
- }
8 I$ L6 _8 T/ F$ k4 G5 T - arg.sub_addr_count = 2;5 A1 m9 Z g) {7 u$ F9 `
- arg.data_count = 0x18;
- J- K; r' }. n - arg.e2prom_cmd_sub_addr = 0x290;* Y& L% E: u1 V6 h' H4 E4 g
- arg.e2prom_cmd_data = buf; m. C2 `, Y& H2 i& P
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. h6 B5 p c, P# I0 n - if (ret != 0) {
% Q+ f" ?6 Z' t% s$ b7 ^ - printf("Device %s write error.\n", E2PROM_DEVICE);) W) M6 w* u( O5 E0 C2 H3 e
- return -1;6 Z- P" X! g( B6 ^- m, l: |
- }9 b% p- Y( G# d- L6 U7 a
- : X) E) C$ H; G: W- o( x
- return 0;; I, b4 E6 Z8 Y$ Q9 |7 ?
- }
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- int main()
0 M4 A0 z! r: K. Q' d+ }8 n+ p - {+ e/ @" |6 t& {; Q- c/ E
- char c;
/ o, l! a8 p7 d- G' z% }4 ] - int i, macs[6];, I' b) o) Z' l0 b
- unsigned char mac[6];
: u5 _9 b, S0 Q - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0): G& ?& Q! }) n" @, c/ o# p% b; Z
- return 1;; H) @0 J) R/ i
$ M8 [5 ?9 X+ m# _8 I7 C- printf("Current parameters: \n");
! ^1 \1 k! |6 V3 Q! j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 s$ ]# H+ j. X - printf(" STBID: %s\n", stbid);. f# ?; N/ L7 R3 l* g
- 4 Z# w+ c8 r5 \
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
3 W) j1 S- c( F/ O2 g! S- K% c - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
7 Q$ ^/ L# C0 ~" z* {6 s# r( a - printf("Input MAC error\n");
' P( u1 J, \- \) j. Q - return 1;
; Z7 l, k, r4 A! r+ z' _' ~8 M - }+ x. ^6 w: H' F/ L; `3 Q
- for (i=0; i<6; i++)mac[i] = macs[i];; @& o* L5 L2 _& c8 |
- printf("\nPlease input new STBID: ");
' r+ |* I* e# \1 x - scanf("%s", stbid);
3 l) o; W, c. D8 N, ] - if (strlen(stbid) != 18) {; s0 I+ C r+ n' g/ p& b* e
- printf("Invalid stbid\n");" I& a' \: _. c2 `) r: Y, O
- return 1;
; s6 z6 F$ |7 T! a - }
2 H8 P, e: G# O - printf("\nNew parameters: \n");. v! J# P9 T" u* `2 q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* ~' b! b4 c/ m6 m1 q6 n8 [7 |4 T. J9 m
- printf(" STBID: %s\n", stbid);: l* A' _& J5 y' L
- 7 y; {3 d2 G4 u/ a9 T8 G6 c
- printf("\nDo you want to change paramemters? (y/N) ");
8 x6 G: g0 B' U$ u+ w - for (;;) {/ T, v0 P( `3 K7 h" F
- c = getchar();
5 o% F* s% a% E: c( e( n - if (c == 'y' || c == 'Y'): d* B, ~' z9 |$ r" e! F
- break; S! q8 a3 F* _, X+ U6 c
- if (c == 'n' || c == 'N') {. l4 m0 w, m& F5 f2 B; s! P
- printf("\nAborted.\n");2 s0 ]/ d8 i) F9 F
- return 1;& b+ T5 P: e5 F7 v( l, I B
- }
- C) O7 `' O* a" h z. u - }' M9 o3 @, S. C3 Q3 o% V$ e
- if (writeparam(mac, stbid) == 0)
/ }; G5 L1 q+ J! N - printf("Parameters changed.\n");6 n: E6 b& I$ G: c: w
5 r" E6 t/ p7 G* ~- return 0;( g2 O5 O; M0 [
- }
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