本帖最后由 0522 于 2012-3-21 23:04 编辑 ' [5 T/ `1 f" i% g7 B2 ~
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修改的代码早有了。到今天不会编译。2 g1 z' S6 q1 g" S I* V, ^# D
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& t; { F) M6 `2 @
- #include <malloc.h>
& U& h. |" d" k! d; G, L( b4 ]3 |; s - #include <sys/types.h>6 X/ @( r3 ^! K$ {3 i" L8 D
- #include <sys/stat.h>2 S, ~5 d& V# h) S3 u! P# s) q
- #include <sys/ioctl.h>! n+ Y& L8 ?9 f7 {( T1 d2 {- n
- #include <stdio.h>
7 R& |+ g: o3 ?3 l$ r9 Q& s - #include <string.h>
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6 B% p/ m4 b% I, B- typedef struct {3 k" w' M1 }, @) a# g7 h
- unsigned int e2prom_cmd_sub_addr;" g/ c5 M0 l- O; W+ D
- unsigned int sub_addr_count;9 {4 F" [/ r* c* |* r
- unsigned char* e2prom_cmd_data;* C. ` r; j+ P) u
- unsigned int data_count;- ?6 @" l0 W. d$ L& q" |
- } e2prom_s_cmd;$ `! ^* ~( Q! R' r1 c8 a) [0 x
6 P) Y8 D3 ^% Y- #define E2PROM_CMD_READ 1
, }3 j/ U" s T2 m1 ~* t - #define E2PROM_CMD_WRITE 2
9 v- f6 o$ r. \ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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$ G$ t4 j7 T: K) A1 z+ m0 {9 \- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;4 y# {5 v$ K8 t- g) v8 x
- e2prom_s_cmd arg;, @* M |7 I6 c: e. t
- unsigned char buf[0x18];* j9 _) n* ^9 R0 h; S/ d
% D) r7 M1 P% p0 O" d- fd = open(E2PROM_DEVICE, O_RDWR);! T" I- z5 O: Z: Z9 C
- if (fd < 0) {
7 I( e2 c9 r* w/ \& m, S- c# N - printf("Device %s open error.\n", E2PROM_DEVICE);
( X2 w, I- Z5 {& U+ B3 I - return -1;7 f. t- Y. L# W+ U) e" y
- }7 d" O1 |5 H9 |$ d0 ]
- arg.sub_addr_count = 2;
' D2 F! @$ h1 J H# F - arg.data_count = 0x18;
$ W7 Y2 h6 o; s6 C' @, R - arg.e2prom_cmd_sub_addr = 0x290;
* S1 F, K ^' L# ^) q - arg.e2prom_cmd_data = buf;
2 C/ C. Q# C/ i& ~2 q% i+ A - ret = ioctl(fd, E2PROM_CMD_READ, &arg);6 T( s, U, M# Y/ k. y5 F" o" L
- if (ret != 0) {0 J& K( U2 u# h b8 ^# a% C
- printf("Device %s read error.\n", E2PROM_DEVICE);
- J! P. p6 W- q4 f* x- O - return -1;
, _, K1 \1 g( P t) e! J# G - }
4 _8 K3 n1 z' l e1 k" D$ h) F - memcpy(mac, buf, 6);6 { C* x. q4 J& p& \
- memcpy(stbid, &buf[6], 18);
5 i0 [& L. R' x+ k( Q+ ~) M W/ i5 f - stbid[18] = '\0';, \! s+ }3 I; l9 Q( H' _
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- return 0;. W% J: }+ }& x( P
- }
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4 S# ~6 c2 r% q$ @- static int writeparam(unsigned char *mac, unsigned char *stbid)/ k7 A( g+ f. v) `
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- int fd, ret;
% ?- D4 c( v# m$ M, K* m) D - e2prom_s_cmd arg;) s1 i" \# r9 e: c4 C
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
- u- t. P6 M. W! q2 N) R% R - memcpy(&buf[6], stbid, 18);
1 [; a1 P) n: U) k! A - fd = open(E2PROM_DEVICE, O_RDWR);6 J' z# j8 Z$ k' w2 F' T/ ^
- if (fd < 0) {
i: Z; {' n1 z8 I* n( z( ?7 O2 f - printf("Device %s open error.\n", E2PROM_DEVICE);
5 P+ z4 Q. G, q0 G: t - return -1;" g' p; B7 E! {' _$ C
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- arg.sub_addr_count = 2;
! w' [3 Q$ z, W. T4 Q - arg.data_count = 0x18;1 `5 Z; F# t @5 `9 s0 j* b
- arg.e2prom_cmd_sub_addr = 0x290;
% E, y0 Q! Z( l - arg.e2prom_cmd_data = buf;) K- a/ A+ ^, ~
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);6 f3 Y# b+ a b9 ], e
- if (ret != 0) {* }: w0 |$ k9 b' C
- printf("Device %s write error.\n", E2PROM_DEVICE);
. f% ~/ \, U. N; \5 h5 Z* I9 k5 y - return -1;
9 ?( a" ~# ^# P% O L - }
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! a* i4 s& a- \! |- return 0;: }8 Z2 f4 D5 g, V
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- int main() w: v- ]4 f2 ^/ X( T0 `( c
- {
) {) E2 c7 y" N3 L$ [ - char c;4 z2 v4 n+ L. r/ h
- int i, macs[6];+ A7 b9 d# `6 B' L
- unsigned char mac[6];' x6 @* b' `! w" A5 W
- unsigned char stbid[256];% I2 v7 @$ c% @1 z
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- if (readparam(mac, stbid) < 0)7 b- [7 N- T. I) C1 d
- return 1;6 Z6 K: c6 f. o6 S* f+ i
# x& u. d6 ^8 h/ b: e3 S- printf("Current parameters: \n");4 n7 s+ M; K) Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" Q7 g4 l+ s) w+ x: H
- printf(" STBID: %s\n", stbid);
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Y/ s6 e6 o8 L4 |+ S* ? - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 {3 l+ k; t7 C3 z: s, G" M
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# G; e* m8 a( G2 e! R# y9 n
- printf("Input MAC error\n");
0 ~8 i5 ^5 E+ `" d! Z8 K- ? - return 1;
) m# \* z, h2 a0 F% O, w# U4 ^ - }
5 A# @( B0 a1 v5 d# I+ ]* A# [ - for (i=0; i<6; i++)mac[i] = macs[i];4 S' F1 M% U7 q+ E( {
- printf("\nPlease input new STBID: ");
) A5 g3 T F' b- A4 o* u V+ B5 P7 u - scanf("%s", stbid);* t: ?' r- m4 p
- if (strlen(stbid) != 18) {
' R- d5 W' I9 H" `( l! g1 H - printf("Invalid stbid\n");$ ]0 b) U3 E& ~) Y3 E
- return 1;
3 P* c. z$ T7 }) N7 O+ x9 R - }
7 f& f: F3 }- q4 M - printf("\nNew parameters: \n");' C0 y& L2 s# @, L
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* P) y9 Z9 G: t5 L9 f, l
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
1 A6 \. }! m" p1 }! w, @! ] - for (;;) {
1 o5 Y' h( d# }# ?7 ?2 R( F: p - c = getchar();
! m4 b% H0 V. w - if (c == 'y' || c == 'Y')
. Y5 f& o: F: K% |8 O - break;
* S; R: D0 u: a/ Z0 ?* E) ` - if (c == 'n' || c == 'N') {
! S/ `3 P% z' j2 F' {' k: ] - printf("\nAborted.\n");1 I/ F \! R4 D, q
- return 1;
6 _0 {& ]' z4 R2 u9 f - }
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- if (writeparam(mac, stbid) == 0)
/ h$ o" G9 O0 B - printf("Parameters changed.\n");2 |& y1 L8 p7 Q* ]; [/ i
3 o/ W9 `) U ?) T8 Q- return 0;
0 X; s$ }/ z. | - }
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