本帖最后由 0522 于 2012-3-21 23:04 编辑 ' U) Q6 ?9 c9 @/ _; v) J" S6 O
1 h. {* c! n" N. _1 q0 x; V修改的代码早有了。到今天不会编译。& |7 D" h0 S0 J' _
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>3 U$ D1 }9 x! y* @0 R
- #include <malloc.h>
3 C) g9 \ z, B! S - #include <sys/types.h>
g; e7 f( q; A; y# A1 ~ - #include <sys/stat.h>
' a0 s* s" g2 H, _0 }$ m- l - #include <sys/ioctl.h>. E/ v# C: V- e0 S7 S
- #include <stdio.h>, j p) w e/ S/ S/ W+ q8 }) i8 C+ Y* h
- #include <string.h># G8 t# Q% L4 i5 {& j6 w/ S: X
- + R& \: g5 Q) L
- typedef struct {
9 u7 n5 n2 B8 g1 ? - unsigned int e2prom_cmd_sub_addr;
. u6 m# t# A8 {3 \+ ?, P/ O - unsigned int sub_addr_count;& Z+ A! ?* e9 b* Y
- unsigned char* e2prom_cmd_data;9 B* N. l* a% S# K1 T
- unsigned int data_count;/ `9 t( E6 n# \
- } e2prom_s_cmd;. Y* n( M& L) Y' t7 U; F8 s% p
# g, f; k8 v5 S+ D5 A% q( k- #define E2PROM_CMD_READ 1
, N/ l' o, [9 b& N4 _. j, ~) i - #define E2PROM_CMD_WRITE 2
, v, J6 z4 |% X$ T; h! c - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" {3 r# U% B) R. A
- % c) T. v! r5 o. S
- static int readparam(unsigned char *mac, unsigned char *stbid)) e7 x0 O8 d3 I" [: G, ~ }
- {( X3 }5 k. I2 |3 N9 U; H& Z
- int fd, ret;, k5 K+ }6 ` P: J
- e2prom_s_cmd arg;
& M( q ^# g- E( u - unsigned char buf[0x18];% r% e# D$ ^! T g. H+ l u; A
, U/ d4 ~# |7 J( b. [" S- fd = open(E2PROM_DEVICE, O_RDWR);
1 @ \$ F, r# P7 i* c/ P$ o; v! c - if (fd < 0) {: d e5 a" G1 X- r+ t; b
- printf("Device %s open error.\n", E2PROM_DEVICE);
& |& R+ h& D( b2 [ - return -1;3 {; W m1 R1 ^ N
- }
5 K( g: n5 |# s: a6 t - arg.sub_addr_count = 2;. G, d9 g; U; L5 I
- arg.data_count = 0x18;
: `' o- v7 y) M) m* @ - arg.e2prom_cmd_sub_addr = 0x290;
: N* z( R' u- r) _7 X& p - arg.e2prom_cmd_data = buf;9 r4 T3 F7 h6 q4 S+ k: o" S9 Y' X; ?* r
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
" R/ d" J: o3 g* W - if (ret != 0) {
/ b) V. M2 U: U+ ?# G, }6 O - printf("Device %s read error.\n", E2PROM_DEVICE);
0 \# J( B" H/ ~# M. X! P8 \ - return -1;' G& x2 Q, b) W6 q2 b x& }6 x
- }
; J4 C* ^% e- R5 D" j - memcpy(mac, buf, 6);
% O. Z2 E% ^9 m* s - memcpy(stbid, &buf[6], 18);
( ^* p+ a% d" h9 e( B - stbid[18] = '\0';* k+ c. i8 g1 H* H& d8 F
- ' W3 F6 q4 j1 _2 r; q( ]% Z) \
- return 0;
# i/ g% @ z$ S0 Q - }3 B+ r7 M2 g4 x" I6 d* o# K/ k! A
$ J1 N7 v( s+ n7 U; u( q- static int writeparam(unsigned char *mac, unsigned char *stbid)7 i- v. Z$ Z4 k0 T
- {
& ~5 u* }, V: {, ? - int fd, ret;
" E: k H, U! i. a, } - e2prom_s_cmd arg;3 f/ }& s5 I% Y7 j2 @6 I0 w @
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);8 [& V' d7 u8 Y; o8 |+ m
- memcpy(&buf[6], stbid, 18);
# ?7 l3 }% L& j$ [6 T5 ?9 i - fd = open(E2PROM_DEVICE, O_RDWR);
4 K. l2 Y$ Y( w3 w1 T {) c: i* n. h) A - if (fd < 0) {) E7 J+ ^+ _3 E8 b- K$ R
- printf("Device %s open error.\n", E2PROM_DEVICE);
8 a8 Q5 F [8 B2 D6 B+ T( j - return -1;$ ^% y) `, o) O7 ]& c7 B. u
- }5 k5 h& s+ Y7 q, b* P; G
- arg.sub_addr_count = 2;
! r5 i6 s5 D# b4 o7 O r- w- { - arg.data_count = 0x18;
- F' n( O( } k; C4 Y - arg.e2prom_cmd_sub_addr = 0x290;
- o1 _# U! E, D2 W L - arg.e2prom_cmd_data = buf;
& p0 \( z% Z* J% r2 M' I- g5 x4 |& d - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);: t: O7 y: W* X; L2 j7 C( I
- if (ret != 0) {
8 G4 i$ x! f/ t1 p* h5 ] - printf("Device %s write error.\n", E2PROM_DEVICE);, S# J7 [( [$ |, _* b9 \ @
- return -1;# W" k- V- m5 D0 |, I
- }+ }" U2 b+ l1 Y, f0 X" [" i
: a2 k& k; l1 I! E" X6 h- return 0;
5 {( v: C- e0 `" n, L - }
0 I3 ^/ V6 u- w! [/ H - # `3 D i# k' J# [
- int main()
+ @, X' K! ^- J( }/ `" A - {1 [& q! v' F, ^: [0 s: T5 Y
- char c;
5 n* F \8 ]+ \3 u' N - int i, macs[6];+ N5 f. l' h1 Q. S5 G! H1 f
- unsigned char mac[6];" N( \% o) ^3 W
- unsigned char stbid[256];5 U5 z* L5 S1 M! v$ A, d
4 z1 ?- `! D' N- if (readparam(mac, stbid) < 0)
( z7 W4 J8 ^1 s( Y; C: s7 W6 k - return 1;
' G( P; V: ?2 @: ]9 V
9 }' Q: y& D- z/ \& r4 @# c- printf("Current parameters: \n");; p* l% I1 N2 M5 a
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; {& x' U8 S1 I* m) D3 M - printf(" STBID: %s\n", stbid);
5 H' T' i3 v- G5 w# T) g# L, q - o/ ^$ ^* H% O7 N
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ `% k) e" @+ r; Z
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {* `8 r( W; `; e: n% k* t
- printf("Input MAC error\n");" b4 a0 U5 |0 g/ z0 K% {$ \$ o7 @9 z
- return 1;
* [# v1 m+ c! x3 [8 } - }
- s7 Q- H j" o0 _" D7 J+ t! L - for (i=0; i<6; i++)mac[i] = macs[i];
& T7 r$ ?% P/ { - printf("\nPlease input new STBID: ");5 j0 w' c) M/ f
- scanf("%s", stbid);
9 |1 N1 |3 M: o - if (strlen(stbid) != 18) {
; Q% s! V j5 Y! ]5 i - printf("Invalid stbid\n");
5 [4 L, y3 I: ~1 n - return 1;. {& `3 |' N- P# b2 a' N0 \: L
- }
# v( W, }% D1 x - printf("\nNew parameters: \n");
+ J9 P. x; x: [' ^( ]" _/ v* O- S5 U - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& k$ i' V9 Y0 Y7 c9 b% I9 T - printf(" STBID: %s\n", stbid);9 [8 t* d6 h; ?5 L6 R! ?5 U/ ^
- ' J2 P- K0 g$ c. v
- printf("\nDo you want to change paramemters? (y/N) ");
; A7 b) y" w* O( b7 {4 g2 s- K - for (;;) {
+ f2 P( d% g: x$ w1 t/ U - c = getchar();
0 p; o. G& m# i. m; { - if (c == 'y' || c == 'Y')
! `( K: x+ z9 _! Q% t* G9 K - break;
" _( g8 G" k; | - if (c == 'n' || c == 'N') {: c% d2 @ ]% L! n% X& t
- printf("\nAborted.\n");
/ a4 l% z, T# s - return 1;
) Q( }3 O, v5 d; Q9 P - }
9 `" ]9 W" [" e5 ~0 y1 D0 y! B - }
* Q/ |1 D0 B) d8 O: o - if (writeparam(mac, stbid) == 0)
9 f! ~& r* S* e8 c# \ - printf("Parameters changed.\n");+ i3 {$ H* v+ p8 h# S
- ) e: c# m( v3 g
- return 0;
7 K/ f, P+ \$ B& x v2 E v4 ^% Q - }
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