本帖最后由 0522 于 2012-3-21 23:04 编辑
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. C: N T0 x# L) Z. G+ B q修改的代码早有了。到今天不会编译。 ?1 Q7 y8 K: c3 W4 q* T1 b# L5 p
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 C. U+ R6 D1 D6 B3 o0 }- I - #include <malloc.h>
, R- v% S2 p! T - #include <sys/types.h>
& T# r5 b$ C: ?5 u$ R+ t) ]0 V - #include <sys/stat.h>
5 R' [& l; [$ P. x( P$ L - #include <sys/ioctl.h>
6 u. z7 d' F! y7 q: N4 h( s0 K' c- ~+ a4 N/ ~ - #include <stdio.h>0 m) S. g. ^) Q2 f1 I6 @% O4 G
- #include <string.h>
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5 H+ H5 T% G1 W/ a" T% s! |- typedef struct {
( c, B/ n0 z) E, ]+ r7 A1 O - unsigned int e2prom_cmd_sub_addr;
`1 N* }. z" _2 O# [9 a - unsigned int sub_addr_count;. s: C# H8 {. z6 u+ J) f! _
- unsigned char* e2prom_cmd_data;' }7 _- z* Z+ j- R
- unsigned int data_count;. O" ~1 z& G* [/ z( \
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 10 o- T% @+ u2 N; E; `0 y
- #define E2PROM_CMD_WRITE 2
: ?8 w$ b h) G2 o# B9 Y6 `/ o - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)5 \( t8 _+ e4 [( ?3 r1 D4 L& _
- {
9 b( ^+ l. e' }+ o- T - int fd, ret;
8 {0 R* j. }0 S2 n - e2prom_s_cmd arg;
' a0 m; @9 Z: C8 y' Q% W - unsigned char buf[0x18];
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$ @ Z9 d, h: w; m: n+ Y- fd = open(E2PROM_DEVICE, O_RDWR);& G P# {& z( k6 y
- if (fd < 0) {5 f! R/ y$ h8 T
- printf("Device %s open error.\n", E2PROM_DEVICE);8 M8 g4 S: p! n+ G
- return -1;
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- arg.sub_addr_count = 2;
6 {. B0 e& f# ^( P - arg.data_count = 0x18;5 b' ^" n8 O3 j; s; c
- arg.e2prom_cmd_sub_addr = 0x290;
4 V7 ?* w5 V% N3 F9 V3 { - arg.e2prom_cmd_data = buf;, R' w* @2 k( i
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
" H" Q. g3 k e' X- m - if (ret != 0) {, c. M# K5 e, U3 s
- printf("Device %s read error.\n", E2PROM_DEVICE);
% W1 J" W; ?. S9 ] b k" f - return -1;
+ p' w Q/ A/ G7 c5 W6 Y - }
# q% q) |- Q d: l - memcpy(mac, buf, 6);
; K) R! G# h7 G9 f' q5 w- ? - memcpy(stbid, &buf[6], 18);
J' A0 f0 K" C. K) K - stbid[18] = '\0';- {* @( ?' ~8 N# j) r* }
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- return 0;- _2 _* o. y# r8 X# u9 o l- Q
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)1 T# _* g0 E; x, U* N. P1 x
- {4 R8 @0 r* C/ X4 }. l, v: j W0 a' g
- int fd, ret;" t: j0 z7 F# J8 B* D# f5 H
- e2prom_s_cmd arg;7 H5 c- y6 o8 u3 b* O
- unsigned char buf[0x18];9 W. U1 }( w# L9 R: e1 E
4 ^( B( Z( Y/ i+ T4 Q. o6 t- memcpy(buf, mac, 6);$ r/ x/ ?' q, ]
- memcpy(&buf[6], stbid, 18);- k% O$ p! u! ?4 G
- fd = open(E2PROM_DEVICE, O_RDWR);9 l# O w+ y* U# z
- if (fd < 0) {! T7 M3 t @2 ~: L$ d3 H
- printf("Device %s open error.\n", E2PROM_DEVICE);
l" j8 A+ {. {. h* ^ - return -1;6 E' f1 b. Y0 X' D
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- arg.sub_addr_count = 2;
4 E9 _5 A; ]9 O1 M. u - arg.data_count = 0x18;
$ K" Z, Y" X, K2 s/ g+ L+ r4 v5 ~ - arg.e2prom_cmd_sub_addr = 0x290;) n7 ^7 y/ \1 b
- arg.e2prom_cmd_data = buf;
S. n8 P9 e1 W' K9 Y0 b - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' Y" s: n. j. {
- if (ret != 0) {8 V+ N/ P+ t; o( I6 @6 B" E$ @) E
- printf("Device %s write error.\n", E2PROM_DEVICE);
, \* I1 t, ~( }1 W! J - return -1;
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- return 0;0 B; B, I( _$ ^* z: e+ Y
- }
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! u, i+ v0 P$ ^% g" u: \- int main()
, w4 t5 Y* a, U5 t9 B6 Y) e: g - {
7 u6 i0 ?9 T, N1 r - char c;
3 }& G$ _/ D& x ]; W - int i, macs[6];( K J: k W* E4 q
- unsigned char mac[6];! O+ _; @7 h# f
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
4 Y8 s; Q+ y4 I9 c - return 1;& M6 E( a1 L. O! x: X( K6 h
- ' S F: ~2 W4 ^5 ?; F) d9 f' ]
- printf("Current parameters: \n");6 G4 V' ]9 B* ?- e$ C8 t* d
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); L) R4 r8 u6 R
- printf(" STBID: %s\n", stbid);6 Q, q0 Q7 D+ h) f/ V/ w! X
- ( p" R7 w! R$ k+ t
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): "); E, s1 M( F( H7 ?
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. K& _2 ~ o( s% L; D* [5 T( f - printf("Input MAC error\n");) ~- w+ G! q5 I2 I7 a* b7 b' A
- return 1;) w9 U- G2 N8 u' |3 L2 u$ b* s
- }
1 @( a) x! t) Q4 z - for (i=0; i<6; i++)mac[i] = macs[i];* ^9 c: q! n7 q, G( G" o8 x
- printf("\nPlease input new STBID: ");- H) E' n1 c: X' R( K% m
- scanf("%s", stbid);
* F% n2 e. N/ b, k* w2 L- y - if (strlen(stbid) != 18) {4 Q( c N) ~4 @
- printf("Invalid stbid\n");
7 u( U2 u1 |, ?* y6 w% Z - return 1;
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- printf("\nNew parameters: \n");! b. n( p1 A0 H$ P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& u: t5 u1 Q; U$ P
- printf(" STBID: %s\n", stbid);$ K/ g1 o) r8 J% o8 x8 y
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- printf("\nDo you want to change paramemters? (y/N) ");
& ^& O. k8 w2 o0 K - for (;;) {
& V/ F. y+ R5 l; y: y$ C0 a& T - c = getchar();
5 ]4 z# N7 B" |" }; l0 z; c - if (c == 'y' || c == 'Y')
/ @. T3 s+ E. N. n - break;0 x0 Y, {4 [0 |+ h E- ]
- if (c == 'n' || c == 'N') {# j8 I( H7 y( U D
- printf("\nAborted.\n");0 R: o$ j/ ` Z! j: R1 `7 T; r; ?
- return 1;% L- z% {' K' i: D* L+ u$ L K, }7 b
- }
( j$ h+ ]' m1 Z6 A8 [3 V \/ E E - }
9 w- ~* l, E9 g; R- M - if (writeparam(mac, stbid) == 0)
% i6 v3 ]* m k, E9 x. Q - printf("Parameters changed.\n");0 F0 D1 v/ ~1 Y5 F l) p
F7 H4 |. Q* D6 \( ~- return 0;7 p+ R. |/ {* K9 M, T
- }
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