本帖最后由 0522 于 2012-3-21 23:04 编辑 " m+ T" D- o, w6 C2 |% N
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修改的代码早有了。到今天不会编译。( m( B. F5 z# _3 m3 _) C
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 h$ G! \+ h8 D
- #include <malloc.h>- C+ s/ M) z# L$ x" Y0 J. N
- #include <sys/types.h>
# U* i- P0 |$ ]! G0 P( ] - #include <sys/stat.h>; x: J. K0 d) \
- #include <sys/ioctl.h>
+ Q$ g* S5 w/ P ~/ N4 j( H - #include <stdio.h>
: P$ k) W" l/ p1 @' l+ m1 s - #include <string.h>/ c7 Z& p2 M$ Z7 h$ i& ]- m
- ; Z1 |3 U& G- N6 a. B- X$ _( Q
- typedef struct {
7 x" X" t B9 Z4 B S2 Q - unsigned int e2prom_cmd_sub_addr;
6 U5 C9 G. V$ l2 ? - unsigned int sub_addr_count;3 c% J# ], A9 e1 o2 q% w' e
- unsigned char* e2prom_cmd_data;( @1 [8 a$ k3 a7 a, w
- unsigned int data_count;
d) Y. @2 P5 k - } e2prom_s_cmd;
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7 r$ q4 @% Q) g- #define E2PROM_CMD_READ 15 p2 [2 a7 J3 M! P% q U- ]
- #define E2PROM_CMD_WRITE 2& a* F4 ~0 @* m* n1 C8 X, ]4 x
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; k$ n3 ]* K! Z8 t4 a
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- static int readparam(unsigned char *mac, unsigned char *stbid); }+ z) x5 u% ~" m; \
- {
: t: I9 }" O* ]2 d, M: i! L& x' x" t - int fd, ret; o% D8 a3 W; n: E! q5 Y
- e2prom_s_cmd arg;
: S" u( R& o4 ~8 B' a8 k- W - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
3 H2 t6 {0 j5 ]) h6 @/ _9 A( U+ @ - if (fd < 0) {
+ ^; a) E5 K4 _/ q: x; C( i - printf("Device %s open error.\n", E2PROM_DEVICE);
2 ^1 @! |, P& V* m: ]0 d P - return -1;; h+ Y. u& g# C& M T
- }
7 O$ W$ k- U! p1 B# `& w7 P+ U - arg.sub_addr_count = 2;
) _. P& s8 m' ^7 w9 B - arg.data_count = 0x18;( H- v n% {6 w/ G& b0 W) h5 y
- arg.e2prom_cmd_sub_addr = 0x290;7 E" p0 t& L& i' h. \
- arg.e2prom_cmd_data = buf;
# n; H! r7 H6 \+ L: A - ret = ioctl(fd, E2PROM_CMD_READ, &arg);, D2 O: `6 a X% g
- if (ret != 0) {
! G9 |6 R7 ?! \3 A - printf("Device %s read error.\n", E2PROM_DEVICE);8 V. }: y" O9 p& r/ U
- return -1;
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- memcpy(mac, buf, 6);
) B" Y# o; @7 p" j, I - memcpy(stbid, &buf[6], 18);% [+ }7 v0 b: i5 k( p4 w* \
- stbid[18] = '\0';
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- return 0;
5 h) K, s6 [) i, N - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
8 s! G7 ^8 c- I$ m* n1 A - {
5 s, E/ Y+ v- K: l0 } - int fd, ret;
/ G1 o# }% a# z - e2prom_s_cmd arg;
& T4 w/ v$ j1 j9 | - unsigned char buf[0x18];
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! s% h& y @5 C' h& q& I2 x- memcpy(buf, mac, 6);
% @$ a2 `, N4 Q. d$ K) y - memcpy(&buf[6], stbid, 18);, \- |' |) U# P, F& C5 H& Q
- fd = open(E2PROM_DEVICE, O_RDWR);
) l4 x8 C3 K: q+ j; r) c& X - if (fd < 0) {
) D, k% H5 N# x& z - printf("Device %s open error.\n", E2PROM_DEVICE);; i/ s% _3 W& {5 y6 B# ^
- return -1;
; B$ u) @$ v4 Z% _* t/ ^ - }
- D/ Y& D4 ~, l - arg.sub_addr_count = 2;; F3 r+ X0 r1 v1 D M( x0 {. h
- arg.data_count = 0x18;
- p$ E' h8 e3 {6 n2 n6 W9 S4 y0 [ - arg.e2prom_cmd_sub_addr = 0x290;
' _. e# T9 y5 q% {( P5 w Y/ N - arg.e2prom_cmd_data = buf;
8 B4 Z% J* k t+ V' R6 k - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' R+ ^6 p+ ?6 i2 L
- if (ret != 0) {, o4 K+ B& q) l0 P
- printf("Device %s write error.\n", E2PROM_DEVICE);& ^& G* ]% v: q$ X! i4 k
- return -1;( I ^. C; n/ M2 S" J
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- return 0;
' A1 M0 m/ m; Y8 H( e8 |" F - }
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- int main()% j. _+ ]: I& _4 s
- {: W- S E" t% V E
- char c;+ ~5 V: ^5 }4 p7 X$ l
- int i, macs[6];
4 m0 T! ]( Z: d6 i - unsigned char mac[6];" C' ^: v1 i+ x% y: t2 h! ^
- unsigned char stbid[256];8 I3 q9 Q' Y# T# U
3 T& u+ L/ j; f" \" ]/ B: P3 k- if (readparam(mac, stbid) < 0)9 A2 @8 |# s7 E) U
- return 1;1 V" X2 ^! \+ p' k9 o1 i) O
" m( f0 J3 [3 H- printf("Current parameters: \n");
]9 N9 ~9 _- H - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 W5 e/ g' @8 |9 s! Z
- printf(" STBID: %s\n", stbid);5 J' ?% ^( A7 I4 r* c
- 6 f9 A b$ V7 @: N' O8 L
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 l3 ]0 j8 Y# N. _
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {: a1 R7 P# K5 x& G+ S0 s) q- n
- printf("Input MAC error\n");; Q& x5 n% n: ?
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];* X6 B/ r( U5 U
- printf("\nPlease input new STBID: ");
1 Z9 U/ f/ }9 R R, q+ U - scanf("%s", stbid);- D% T. @& I8 H6 P) q' b- E
- if (strlen(stbid) != 18) {* B7 s3 y3 O5 ]; p
- printf("Invalid stbid\n");
& ` G5 x2 ]$ g. C6 Q - return 1;
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- printf("\nNew parameters: \n");( O! D% O* f U' F& l- T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 Y+ F, h- _# T+ o9 W% I* ~; w4 x
- printf(" STBID: %s\n", stbid);/ S* Q( s% t4 t" |' T
! K% U. O' R7 r- printf("\nDo you want to change paramemters? (y/N) ");
& p3 r0 I8 e7 y% r - for (;;) {' e7 d6 p( S% D, n* h, M+ S
- c = getchar();( Y$ w5 i7 U# j9 q3 h- h$ F: `
- if (c == 'y' || c == 'Y')* p+ b% K6 j/ p0 {, w
- break;
, }, S. D0 j& M& n6 Z L - if (c == 'n' || c == 'N') {
) R2 I, e3 @" z o7 q6 w# Y - printf("\nAborted.\n");( R. n' K- |9 b5 G2 Q6 h0 ]
- return 1;
6 s$ `6 a! Z: d& T; u1 l - }
. W& B0 A, k6 d2 C/ Y) D C0 o7 w - }
6 x; z( K" U- U: ~/ b8 c4 X1 B8 f - if (writeparam(mac, stbid) == 0)
: w) N0 z; Q$ g2 o0 e# h) Y - printf("Parameters changed.\n");2 _( V; d. M# y% P) x& v# _
' D1 i4 r6 z7 L" h5 ]9 t4 k& A8 d* ?- return 0;
~) j) E0 F9 H4 Q& O0 t - }
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