本帖最后由 0522 于 2012-3-21 23:04 编辑
4 ~" |: U/ b y
/ \+ b( G$ B! z修改的代码早有了。到今天不会编译。
, w; K- z! p, q) v& |需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h># J; c) ~& a! i2 y) x9 e2 U
- #include <malloc.h>, G& \0 ^3 K& W4 t9 Z; m
- #include <sys/types.h># ]' O1 S/ d7 T7 b8 H ^% P, K
- #include <sys/stat.h>
7 w8 e; ~8 z p+ @9 L9 _ - #include <sys/ioctl.h>
) V- r+ z) y) { \0 }( w5 g; Z K - #include <stdio.h>7 T9 J) U1 o1 `4 h# [! @
- #include <string.h>4 o% @; \3 ~9 l2 X5 R7 \4 b
6 S3 p; u+ z7 D; y% c' L% t- typedef struct {
' ~6 Z" [0 h. g7 I) B - unsigned int e2prom_cmd_sub_addr;
* l: {! E- @, Q+ o$ G - unsigned int sub_addr_count;
3 k: r. r4 ]. }9 n7 R - unsigned char* e2prom_cmd_data;
' H& [" h' s0 y; u+ \" L2 F, i - unsigned int data_count;
% K& s9 h1 Q- F/ L - } e2prom_s_cmd;9 I' c! ~8 F5 p
- ! |3 h1 _( R4 z) ?- V1 C$ B
- #define E2PROM_CMD_READ 1
7 J+ @' {% Q9 `+ e' P - #define E2PROM_CMD_WRITE 2
; p. a/ O' i) {) H' @8 A! R1 e+ G - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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6 O A3 `7 x6 l2 v0 ?- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;& B0 G4 X( L- I, H( I" y" [# i3 ~
- e2prom_s_cmd arg;
& ~) J6 d2 ~5 K* W( P/ b - unsigned char buf[0x18];1 S9 \' [$ ]8 p2 Y( o( l6 |
- E' u; b5 r. m& N7 ?- fd = open(E2PROM_DEVICE, O_RDWR);. O/ f* v1 Q3 v8 A# {, j
- if (fd < 0) {% O3 ~9 n; G. T6 {9 G4 q% z
- printf("Device %s open error.\n", E2PROM_DEVICE);
! R& a4 x0 x+ ]8 E& L - return -1;9 O& y& A- I2 R
- }
3 `9 R* D8 S( o) k: D4 J% t - arg.sub_addr_count = 2;
# e( N( f5 H+ C; J* S( L - arg.data_count = 0x18;0 r0 ]3 {: X+ w( Z
- arg.e2prom_cmd_sub_addr = 0x290;
4 z4 ?2 l& G- R0 [! V- u - arg.e2prom_cmd_data = buf;) f8 p6 d; \* d2 P m- B
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);( U3 F, x0 O) m4 K4 _4 a
- if (ret != 0) {( D$ L* f& ^% O6 Y' A
- printf("Device %s read error.\n", E2PROM_DEVICE);
2 k1 B( @, m2 {/ V0 s9 l - return -1;8 m& {1 P* a% V, w4 @( Z: C+ D
- }
3 e6 R8 _6 \3 ~/ D - memcpy(mac, buf, 6);; L) F. u- F; ^. E0 I
- memcpy(stbid, &buf[6], 18);! D: d: I4 J T8 k5 S. H4 R: j8 N
- stbid[18] = '\0';
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- return 0;
% c; k& M) a8 H J( Q - }
% \* ~+ T) K: c' {) P) p9 D - ) w# C8 y# y- S
- static int writeparam(unsigned char *mac, unsigned char *stbid)* U' @# ?+ B6 G# Z
- {2 U5 h9 r$ Y1 v' t, `7 n5 A
- int fd, ret;
/ P5 D8 p; e+ ]) G( l% }( r5 w - e2prom_s_cmd arg;
& Y# I- n. K7 D9 F& V% x - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
# q) C* {$ B2 L1 k" q | - memcpy(&buf[6], stbid, 18);
, t( c+ k7 B J, Y- t - fd = open(E2PROM_DEVICE, O_RDWR);
, {) A+ ~6 b; ?* K3 }7 t- }0 X - if (fd < 0) {
+ d0 Y4 H* u2 j6 K/ t4 x9 W. R - printf("Device %s open error.\n", E2PROM_DEVICE);. N( W7 V8 u9 u# _
- return -1;4 s0 i7 e& Z/ D8 {. k1 s9 t
- }* |7 L- y2 W4 F( ]: p
- arg.sub_addr_count = 2;/ J' u+ M3 U9 ]3 L: e9 u- Y& o9 C
- arg.data_count = 0x18;
" F0 B: d. k4 h: N - arg.e2prom_cmd_sub_addr = 0x290;9 r' \% n2 [. P, |& ~( p* g
- arg.e2prom_cmd_data = buf;- w* J e$ K& B
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
% Q) u/ ` Q/ v8 Q8 I- v8 [- e% g8 p - if (ret != 0) {6 W3 S* Q+ J; |
- printf("Device %s write error.\n", E2PROM_DEVICE);$ R, f$ i/ \) v" R: L* m' O
- return -1;+ o& K- b7 O/ k! K) R
- }- x/ q+ N }% d' ~; \
# K# m3 a( r( p1 K) E# [4 y8 J q" i- return 0;' y B3 F/ w* t4 B; [. F
- }( H3 N m4 I" ~0 Y) y
& K" D3 |( `4 v4 X A8 |- int main()# {5 R% C J2 e1 W. n3 B
- {* ?9 V, @' M/ i6 f* J8 h
- char c;
! Q( |) x7 N( b0 n% D- W - int i, macs[6];
% s' y( E" }& ] a% A- V0 O - unsigned char mac[6];6 l( p3 \( a: T x, S
- unsigned char stbid[256];$ j0 v; S$ i1 I* A
. T- U5 S* l1 M# ]- H# w1 M- if (readparam(mac, stbid) < 0)
% V" v1 K ?8 c! O; K - return 1;$ E5 B' E- N$ E5 ]
& v @# l# E' j6 ]$ t- printf("Current parameters: \n");
# `0 t. |! `1 c1 [' o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" L; u& |. b2 O - printf(" STBID: %s\n", stbid);6 t9 N$ z. @! P) A. A: s N
- ( x* o9 T) b. ^* k
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");: T) ~8 T5 B e) j9 g/ o
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; ?$ R+ [9 V3 x$ U7 r - printf("Input MAC error\n");
, M! H/ }1 [( c+ |2 i% M - return 1;
+ z" S3 k# V9 S% u1 {& P1 Y& \ - }
) G* e& R7 U9 I8 k9 A5 u( n - for (i=0; i<6; i++)mac[i] = macs[i];, o/ c; Y; X# F% f- @0 g
- printf("\nPlease input new STBID: ");: S$ I; a* y+ D/ T: Z' s
- scanf("%s", stbid);
) f( a- Q5 f( Q/ ^* C7 M - if (strlen(stbid) != 18) {8 N6 U* F9 Z0 x
- printf("Invalid stbid\n");
5 w/ g+ O. e) b8 N: x - return 1;
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- printf("\nNew parameters: \n");( {3 k1 c- m+ h3 K2 a" c# G
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" }+ D9 j( Y. q) L4 \) f" Q9 \ - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
# o5 i2 z/ X0 j9 U( D+ F% e - for (;;) {$ W- v5 f9 h1 W3 S! b$ p4 ]
- c = getchar();
& U2 B* ?- \( F" ?8 V5 e7 z - if (c == 'y' || c == 'Y')
+ T, K, o2 H/ V - break;- j& i W3 W3 C6 d8 f& F" v7 F
- if (c == 'n' || c == 'N') {
p! K3 T1 h" I2 ~( b2 @ - printf("\nAborted.\n");& ~/ T3 ^ G. {/ i
- return 1;8 n) m4 l }; G- D6 `3 _0 h0 ]6 E
- }0 C6 K& R9 @% I% F5 _
- }+ r8 m+ i# d+ b$ g8 d
- if (writeparam(mac, stbid) == 0) 1 R, P1 K* c, s1 T3 u) n/ [, E+ I* }
- printf("Parameters changed.\n");
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5 O3 R" F* o+ R+ {6 R- return 0;; l7 v& {7 Y1 i+ A
- }
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