本帖最后由 0522 于 2012-3-21 23:04 编辑 , K$ E! }! C9 o- _/ j( q$ P) ]
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修改的代码早有了。到今天不会编译。" v, S, Q3 N+ X
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- y( W" t# `! Z0 e* C
- #include <malloc.h>
: _$ ^8 J4 B; S, a# O6 X - #include <sys/types.h>1 t; X7 [% @7 F+ H# G4 v0 c" H
- #include <sys/stat.h> {, `" O) o4 Z' V9 D
- #include <sys/ioctl.h>
$ a9 U4 ^0 M, Q8 r& `, [3 H5 ^ - #include <stdio.h>/ p. f( D2 c U5 J. P9 b9 `2 b
- #include <string.h>2 s7 R7 F6 U+ a; W) E
- & e ^. w: p) g" V( \+ @7 [
- typedef struct {
$ E7 I# N r# }/ h - unsigned int e2prom_cmd_sub_addr;
0 {2 V2 W! R9 c - unsigned int sub_addr_count;
1 c3 t ?" V1 P5 q" Z$ S: x% t - unsigned char* e2prom_cmd_data;
! i. ?: v5 @3 Y1 i - unsigned int data_count;
# z$ H; h$ \9 s2 s - } e2prom_s_cmd;7 h6 S% k! N n4 ^ r
- 3 z% d1 Q' i& I9 T5 B
- #define E2PROM_CMD_READ 1
# ^+ H. ]. q' \3 x' l2 K" `: p, u - #define E2PROM_CMD_WRITE 2
. p& d, `& }: V3 g% L% F; m - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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. ]9 ?; ~$ ]1 H- static int readparam(unsigned char *mac, unsigned char *stbid): Z' A5 A" l( i- ]' ]# q
- {
$ M6 l: a* n( F/ j Y - int fd, ret;& O* f% T- R3 L( o
- e2prom_s_cmd arg;3 g7 V# x6 w$ M' M4 L# \& D
- unsigned char buf[0x18];: F3 v7 R7 k) o: s/ I5 j9 Y: g1 p1 e
5 a! X) ]' ]- W: S- fd = open(E2PROM_DEVICE, O_RDWR);0 C8 }) Z: [) i: \6 Z4 N1 O
- if (fd < 0) {
: p& j& i s5 C: M }3 y - printf("Device %s open error.\n", E2PROM_DEVICE);
' t0 o" k2 ?! z; O$ [ - return -1;
+ D' O0 q, z: m2 U# U - }
$ V2 I: _( {- G6 \( a - arg.sub_addr_count = 2;
8 D9 E5 `! `( k: _8 [9 n- l - arg.data_count = 0x18;
+ n. T5 C' `2 h7 ?) ?+ ?: u - arg.e2prom_cmd_sub_addr = 0x290;
' I; a9 y4 u3 Q; B - arg.e2prom_cmd_data = buf;) l) w/ O+ d0 l r! f% `$ ?" r9 U& ?
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);" E) _" X9 z" w5 E0 l
- if (ret != 0) {
2 g7 m) X ^8 T0 u - printf("Device %s read error.\n", E2PROM_DEVICE);: l" m- ]0 n o# z
- return -1;
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- memcpy(mac, buf, 6);
+ r, K8 K6 E: ]1 Q. |: J; W- | - memcpy(stbid, &buf[6], 18);
# t9 h; A6 e! ^- g - stbid[18] = '\0';
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- return 0;
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- ( C' Y9 k1 l) R2 J1 G
- static int writeparam(unsigned char *mac, unsigned char *stbid). y- N0 f+ Q9 u G
- {
2 I" W' j) X' b2 n) w" w - int fd, ret;& I# M \ n1 E" R: p7 n
- e2prom_s_cmd arg;, S6 z" j$ Q: U, f7 ]
- unsigned char buf[0x18];9 `# q4 @' W7 F9 n, y+ x# E" Q
- 3 w3 b2 m: m" |* j$ ^
- memcpy(buf, mac, 6);, x/ B1 a& [6 r: A4 Q8 n5 e6 y
- memcpy(&buf[6], stbid, 18);
5 T2 B6 R8 p# L - fd = open(E2PROM_DEVICE, O_RDWR);
' i& C3 G& Y0 ?. z: p& V$ c& Q - if (fd < 0) {
v1 G/ L" A! v2 a# L4 ?: U) U2 U - printf("Device %s open error.\n", E2PROM_DEVICE);) W* l$ |7 M9 n: I, h# w/ I7 N
- return -1;
: G8 R# K! P H p" { - }
9 H% S: {) X4 Z$ e; J8 D - arg.sub_addr_count = 2;
. q9 k$ w. `( g6 O& _8 I" Z - arg.data_count = 0x18;
& Z; i) L( G& ~ - arg.e2prom_cmd_sub_addr = 0x290;
. e' l6 F; L C' E0 ^- E6 V" G - arg.e2prom_cmd_data = buf;4 {, U! Q; n4 P4 l' [( J
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
- H; I9 S# P- h7 I6 S. t K - if (ret != 0) {
- E; Z3 w3 q* B! O- _" H - printf("Device %s write error.\n", E2PROM_DEVICE);# Q' J6 @2 R) b# [; A) v% k
- return -1;! [9 ^, r% J7 N- D5 j( y+ c
- }
- S% _4 b! |/ |, F( _) B6 Q0 O3 l+ Z - ; z9 ^7 b7 `1 `0 s8 }2 X" F
- return 0;
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- & Z2 ?7 D* D/ v' |, v; O2 Y1 Y# T, a# C
- int main()
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- char c;
7 u7 z* l+ r9 n) ^$ B+ i3 @ - int i, macs[6];
) Y. ^! K5 h3 h2 L" p C - unsigned char mac[6];
" T$ h1 \0 Q5 a8 V4 J+ y - unsigned char stbid[256];) i6 m# u$ R, Q1 g
- : ^& I3 F) L& r% y9 T1 B6 b" ^
- if (readparam(mac, stbid) < 0)5 x& I! o7 F2 E( V
- return 1;0 V) G) u! B0 i$ m- \6 J
) `7 V- K. C9 J- @2 e* z2 x0 r- printf("Current parameters: \n");! }1 @) d: @2 y$ S* T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 }( d+ J3 R4 D& j2 | - printf(" STBID: %s\n", stbid);
* I- G3 I* W: A2 t - $ t6 v8 z/ k/ w. h+ ?
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( ~8 f: w, |! |& `
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( j; b* }5 f$ `; b5 Z6 e3 ? - printf("Input MAC error\n");
. R' {5 w a5 ~; x. b - return 1;
) e- W0 t6 t2 L, ^/ S - }9 Z r) j9 ^& _2 h$ g
- for (i=0; i<6; i++)mac[i] = macs[i];
}5 l$ ^9 B+ b3 @+ M( X - printf("\nPlease input new STBID: "); j$ q$ j+ y3 Y: ?/ b4 @$ ]5 G8 d
- scanf("%s", stbid);
3 c; E+ h" L8 Y1 Y; A! }) u - if (strlen(stbid) != 18) {9 R6 |/ r# q: ^2 s1 F( k" x# P
- printf("Invalid stbid\n");3 a! g( q m" ?. J- B
- return 1;
9 ?- I9 i% [2 ]& _ - }
. X4 [3 G1 P2 E. s& \* e! a' M - printf("\nNew parameters: \n");
' ]" Q @+ Z) Q/ s& P2 q3 h; p - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- e9 K1 r9 H# t3 K; Z
- printf(" STBID: %s\n", stbid);
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9 J; y8 c* ?9 A2 W* \7 w: S- printf("\nDo you want to change paramemters? (y/N) ");' a3 E, m4 L( g6 Y1 w% [
- for (;;) {/ a F5 @/ K) T- }' u
- c = getchar();7 z% P$ X; G+ C! W9 F' R0 Z
- if (c == 'y' || c == 'Y')% {5 [8 _7 U3 m( I$ q
- break;
' w) V0 ^) @2 a: K5 j# I* Z+ U" S- k6 Q - if (c == 'n' || c == 'N') {
/ C5 g5 h: a; j; H - printf("\nAborted.\n");4 M- E( P, t$ A5 S* h) h
- return 1;
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- }! F8 \, ?6 ~' o4 O' d0 q2 |* w
- if (writeparam(mac, stbid) == 0) ! S/ \1 Y% I9 L2 r, H( e. _
- printf("Parameters changed.\n");
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- return 0;% b! Y5 n7 T. _4 Q) y3 H
- }
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