本帖最后由 0522 于 2012-3-21 23:04 编辑
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7 A0 h) [( }8 L- F. _# p修改的代码早有了。到今天不会编译。
p, X& J' g e" q `) [3 ~需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 m; U& t/ C$ s7 z4 W4 ^# K9 O0 h
- #include <malloc.h>2 j; ?$ ?( n6 D6 Q9 O
- #include <sys/types.h>
9 \; @, v' J q2 B - #include <sys/stat.h>
& @. s, I2 J! o" i- D - #include <sys/ioctl.h>
" g2 n3 _; g# K- X+ ]# z - #include <stdio.h>% d$ {7 w5 K3 y- w! R
- #include <string.h>/ _2 _4 K T3 ~4 c/ M
' ~3 z! T( U1 E- typedef struct {
3 A# Y; N) n6 F/ F0 y2 F" Q+ ?% D - unsigned int e2prom_cmd_sub_addr;
4 L$ ]- _2 N! s& M - unsigned int sub_addr_count;# J' j: `7 Q+ ^8 F- L
- unsigned char* e2prom_cmd_data;
1 Q$ X: z, X8 h# `4 D' ` - unsigned int data_count;
. G0 _. T9 V2 }7 l6 d2 M - } e2prom_s_cmd;# T# c% j3 Y; @: d% q
- , E" Y' I1 L) N, J* |
- #define E2PROM_CMD_READ 1
* h1 T# K3 n( f - #define E2PROM_CMD_WRITE 2
) T9 c6 X: F$ @& B( G- F+ M* c - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- J1 _$ k! F7 h- l" D) F- static int readparam(unsigned char *mac, unsigned char *stbid)# o: a. _1 g. O- V& }, b
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- int fd, ret;9 m+ @. h# i8 i0 Z
- e2prom_s_cmd arg;, X+ a' d7 W8 j! a
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
. ^0 g, i: W2 p! t6 h* W& l - if (fd < 0) {
9 \: Z; [/ M: o' k6 } Q - printf("Device %s open error.\n", E2PROM_DEVICE);
9 H) F7 c, }, G/ K- o7 Z$ y* _ - return -1;
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- arg.sub_addr_count = 2;3 l- J* O7 I. Q$ c
- arg.data_count = 0x18;! M8 h( n' u$ r. v
- arg.e2prom_cmd_sub_addr = 0x290;- m6 m/ ~3 v e( M X
- arg.e2prom_cmd_data = buf;* q; R0 Z* m m# y4 N
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
% p( D4 h) `& W/ U$ o% m) X/ ? - if (ret != 0) {; T( d7 U4 q; ^1 Y6 |
- printf("Device %s read error.\n", E2PROM_DEVICE);; }& g8 O1 i& {8 l
- return -1;
% Q0 L; D {( f( D. e7 R8 H - }
' J+ F1 X0 f$ G( l7 E) B - memcpy(mac, buf, 6);
: a, r9 q. D+ L7 C8 I/ ^& | - memcpy(stbid, &buf[6], 18); F) N' u' y2 |* ]" N) Y# F
- stbid[18] = '\0';- [. N. l) u; J1 _3 |/ i) g
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- return 0;+ M, y0 L0 [ q1 x6 q0 G# d0 V: n
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9 W: Q& A. R* L. s, Y# x0 O) B& ]9 R- static int writeparam(unsigned char *mac, unsigned char *stbid)% b& Z- X1 p# Y
- {
+ Y* b" n# z! X - int fd, ret;
; ]- [5 }3 [# d1 U3 Y - e2prom_s_cmd arg;" J/ K0 T5 O4 A3 |
- unsigned char buf[0x18];
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% _, ?7 M+ J- w9 d# w+ Z- i) Z7 L- memcpy(buf, mac, 6);
, J% ^( M; a! X& k- U# ? - memcpy(&buf[6], stbid, 18);! b- [' Z+ g$ Y3 `$ w( y" H
- fd = open(E2PROM_DEVICE, O_RDWR);
" n" d m$ m' Q4 U! J - if (fd < 0) {7 _6 G6 W0 q% u9 D6 k+ ?
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ c o$ T" m: B* b - return -1;
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- arg.sub_addr_count = 2;
# ^" p. R r: f% D9 s/ W7 z2 N# W - arg.data_count = 0x18;) N" d; D. i ?1 e
- arg.e2prom_cmd_sub_addr = 0x290;/ t: {; t, q/ E+ l5 U* H; |
- arg.e2prom_cmd_data = buf;6 a. a% z6 `% d7 a& H
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 f' F* S# H( k, V# _: v0 {& H+ [
- if (ret != 0) {) }5 S( E8 S5 k N
- printf("Device %s write error.\n", E2PROM_DEVICE);) ~2 `0 I# e4 ?
- return -1;. Y/ R# Z6 d4 V. }
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- return 0;6 p" v3 O- ^) q8 Q Q4 q5 d
- }
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- int main()
h* F6 D1 A, D: b2 o2 y2 Y - {
& w0 W( \; K9 b1 ?5 w; F# }" g - char c;" |: ]4 E' `- A( n+ i3 \" _ ?& K
- int i, macs[6];- ~: t% E" J6 H2 g+ K: k
- unsigned char mac[6];3 w S3 N6 m# H1 N9 m3 H
- unsigned char stbid[256];8 @8 [! ~1 e* w2 @" T- r5 k7 Z
( x7 Z' N: d0 P- if (readparam(mac, stbid) < 0)
6 P) q& \: P: g2 M7 \3 ^ - return 1;7 Q3 q* N0 l0 r
- $ U5 {- ^* `4 _$ k' r. L/ e
- printf("Current parameters: \n");
' e3 ?& g/ U6 S8 x, E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 C8 Z1 |0 j4 E' A+ L
- printf(" STBID: %s\n", stbid);0 J% r; }2 ~1 Y
-
+ D" M1 _+ w" F% O1 B8 g - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 k# a) [0 ?2 A( B* _5 l
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 d/ ~% U" \" w1 j G2 f9 i - printf("Input MAC error\n");
4 ^2 J7 e4 V) G - return 1;" {+ q: g) M" ]& k" U, n
- }
" M9 s5 z2 z) E; ~ M8 u1 z - for (i=0; i<6; i++)mac[i] = macs[i];( y, c3 e0 z, f5 \" r" p0 J
- printf("\nPlease input new STBID: ");
0 D( H( E, `: N1 w ~ - scanf("%s", stbid);
; v" Y# U. k ~/ E. I$ H2 b - if (strlen(stbid) != 18) {
5 Y( U" u$ w$ R, x2 o! ^. d& z$ i - printf("Invalid stbid\n");
7 l! l9 }& N: ~3 S% P+ o* ]1 t# h' w - return 1;
0 z' H* P4 \1 ~0 _1 q# J - }" L. O1 w z( ]
- printf("\nNew parameters: \n");
9 K D# V$ `' T" Q& y. `/ N - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 d3 ~) s3 Y% ?- U. o- I1 | @ - printf(" STBID: %s\n", stbid);
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0 O# \, D2 {5 a/ G- printf("\nDo you want to change paramemters? (y/N) ");
u. l9 D% S1 q" G' [! O/ P - for (;;) {6 u$ J' }7 V% M* x% B& V
- c = getchar();4 h' `2 F2 F* {2 Y0 i, |" {' p: b) z. E
- if (c == 'y' || c == 'Y')) ?4 M, O4 B1 j
- break;
( D& E/ f7 [% H6 G& K - if (c == 'n' || c == 'N') {$ g& b5 _. f/ Z) D! c
- printf("\nAborted.\n");# J3 D- k: U' ^
- return 1;* u) y: p: {- E" q6 g2 u" N
- }* d: V' Q+ {9 l: y( F3 l
- } ] I& t) F, B- n1 r. _
- if (writeparam(mac, stbid) == 0)
7 C2 L4 d6 H/ `& p - printf("Parameters changed.\n");: a2 _3 ^ P+ P' K+ V0 M: X% _
) O+ |, z; f5 e6 _, x: q3 ~3 |- return 0;" s$ ^8 T3 M7 t+ O( p$ t8 S! j" H
- }
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