本帖最后由 0522 于 2012-3-21 23:04 编辑
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o8 |' w# F1 U& f+ p8 ?* q4 h修改的代码早有了。到今天不会编译。0 }3 x3 R/ p0 d, }
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
& s( q9 l) K9 ~6 E) T9 R - #include <malloc.h>
6 p/ u6 v) V, ~1 c' E - #include <sys/types.h>
, D: y1 k/ r; t7 @2 p' o - #include <sys/stat.h>* l1 h, {0 `7 W6 k5 ]% F5 v
- #include <sys/ioctl.h>' }6 S3 n* r+ h: r" _0 e- j
- #include <stdio.h>
9 x# t6 s: q6 l" B) G' \/ t - #include <string.h>
& i6 P% a: ~! B' k' L9 @5 b - ' w! J1 u, R _: }6 S6 D7 J
- typedef struct {
) c0 M8 L6 F- u% \( N - unsigned int e2prom_cmd_sub_addr;4 e! K3 t- j3 f5 U
- unsigned int sub_addr_count;8 ?' H6 k: l+ }2 [
- unsigned char* e2prom_cmd_data;
( |, ]1 V8 @! k* o1 p" w2 J - unsigned int data_count;
3 E5 L' t3 @3 @; k( p1 M3 u6 z - } e2prom_s_cmd;
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, ^9 Y8 z* ]. c' S- #define E2PROM_CMD_READ 1
7 Q; W* q$ f K3 K t - #define E2PROM_CMD_WRITE 2
( k C& S& A5 s) k( `/ u Q - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* c/ W8 u& G! `2 I. V2 N
7 h: l6 z* Y& w; M$ u m" b$ i- l9 \/ B- static int readparam(unsigned char *mac, unsigned char *stbid)
/ ~- Z; ]6 a5 U7 ^ Y/ f: I - {
4 A2 h9 \, P% R0 k - int fd, ret;
1 j% D/ x3 j- o Q - e2prom_s_cmd arg;
+ ]9 w% ~+ ]0 ?3 y* H/ h - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);$ `8 o; x; S0 I) d* {
- if (fd < 0) {
7 l0 T' A2 O# {/ [, R- D+ v - printf("Device %s open error.\n", E2PROM_DEVICE);
5 }( M4 M" Z" m1 P3 X; W9 h) G, T" @ - return -1;( n" m$ s* {( {2 v. L3 r) @3 l
- }. _! L _4 z6 v8 o! V
- arg.sub_addr_count = 2;
- u B# X% h2 s - arg.data_count = 0x18;! ~2 C- k* e, x4 ]
- arg.e2prom_cmd_sub_addr = 0x290;7 Y5 x2 J/ i) M2 ?
- arg.e2prom_cmd_data = buf;
% B- u$ F; J5 s& x1 V& d9 o5 x - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- w* [$ k M3 d _* i& n - if (ret != 0) {
7 I" I- ?3 L! Q, s( P3 t f; t4 R - printf("Device %s read error.\n", E2PROM_DEVICE);9 h8 @5 b2 s4 X+ O! o- J
- return -1;
8 i$ q( H9 y; f9 ^: H1 m7 j - }
_1 s+ C* B4 J - memcpy(mac, buf, 6);
: W( r- Z' E- \' @% s - memcpy(stbid, &buf[6], 18);+ P7 a' a! ?& N6 ^% A( D
- stbid[18] = '\0';4 \! t3 T* E* w& Y% b
) ^- R9 r8 E! }, S, L9 b- return 0;) L- w5 m# Z& ^# n; _/ x
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3 j5 w! u# U O: i. {. A6 t- static int writeparam(unsigned char *mac, unsigned char *stbid)" U. s! y- ?7 w* {7 _! g
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- int fd, ret;5 A' L: I0 Y7 I% D
- e2prom_s_cmd arg;
" @ f( N/ y* }2 S. K - unsigned char buf[0x18];
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: C- f1 L1 o9 d6 F0 @* V6 G- memcpy(buf, mac, 6);' n8 v% o9 S! O
- memcpy(&buf[6], stbid, 18);2 t5 Q3 | _' H* E' W0 r
- fd = open(E2PROM_DEVICE, O_RDWR);
3 w/ K2 B4 r# a" x, K5 p& B - if (fd < 0) {
4 ]5 m; ^9 L, Y1 r1 _5 F - printf("Device %s open error.\n", E2PROM_DEVICE);+ H p0 P5 ?3 U Z
- return -1;
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- arg.sub_addr_count = 2;* }8 H# c: i8 g( G: n
- arg.data_count = 0x18;; ?* j% T# i5 O- u" l: ~
- arg.e2prom_cmd_sub_addr = 0x290;" |8 d4 J& M" f: y) \
- arg.e2prom_cmd_data = buf;: S4 j$ {3 D8 J8 t) C
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; N5 T) D" p% @# I' y; l( H3 F9 y1 } N - if (ret != 0) {
& e# [+ G% W3 E - printf("Device %s write error.\n", E2PROM_DEVICE);
* P+ X, Q: X6 ~! U" O* k4 ` - return -1;2 }2 }- L2 Z! p- j
- }! b# r. |1 X! p9 L! G! t
2 b1 C8 L; X4 ^% J2 G) S2 k0 { D- return 0;
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- / \! s0 ^& I; P7 t- x
- int main(); N) O7 b1 h" b' S* z7 T
- {
' F0 K" M3 J4 S: [/ ^5 |3 s; G - char c;
2 y' Y0 X4 `" D# S0 q { - int i, macs[6];, C/ l: r$ ^: i
- unsigned char mac[6];
/ l6 P7 Y" V5 s. G: @* M0 @ - unsigned char stbid[256];
- H" A& i; S' Y+ X# T1 j' d" c3 p# c
K# V8 M$ w* v d: d' b. d: @- if (readparam(mac, stbid) < 0)
( f( x0 [* c. v6 a - return 1;
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- printf("Current parameters: \n");' C3 S Y' D& W' _
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# N& b. o: t2 C! j - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 C, B, c% Z6 Z! R% L& o' g - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" y0 ^, Q4 W& U/ \$ A) j
- printf("Input MAC error\n");* q! `7 `+ T7 `5 n {. }& S6 u
- return 1;
- L5 E7 e% u `4 w; \* A - }4 L8 j# Y( R5 `, c: m, m
- for (i=0; i<6; i++)mac[i] = macs[i];4 y* p9 ?3 Y% c" E
- printf("\nPlease input new STBID: ");9 ?! X9 t; c5 y( j! ^3 X; p9 ] C
- scanf("%s", stbid);# Z8 v$ G# q( v
- if (strlen(stbid) != 18) {
9 I. b; s* t; M - printf("Invalid stbid\n");6 b2 z2 t2 g" p
- return 1;
4 R# d g8 `/ ]9 }8 A, q+ Q4 ~/ K - }
2 V1 g0 u0 I6 S6 W3 G# t - printf("\nNew parameters: \n");
1 P1 ]8 Y2 z0 ] b: S6 F# ]- I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 @9 |4 U! x, i' S3 U3 X, c - printf(" STBID: %s\n", stbid);
8 F' L. _+ {( C. u# y% C9 N& z$ {
* p q- {( R+ Y: o4 j- printf("\nDo you want to change paramemters? (y/N) ");: V2 e" X9 _9 b6 R2 b3 B8 T, |
- for (;;) {
& h4 H8 @( t0 @9 z8 B - c = getchar();
$ h5 X! _" X# U3 y( i - if (c == 'y' || c == 'Y')5 v: ~% w- y" C( f. y O/ c3 r
- break;9 z: \/ H1 A3 q* [& I
- if (c == 'n' || c == 'N') {
7 t9 ~1 P3 v! c8 Y - printf("\nAborted.\n");8 @3 p, m8 T2 \
- return 1;2 M* ~0 E, t' J+ L6 e
- }$ L7 I3 @: `0 j4 Z$ N$ h! x7 `
- }! M4 G, K. s+ k- A4 T5 b
- if (writeparam(mac, stbid) == 0) " p" e4 N0 A( } c- t3 n
- printf("Parameters changed.\n");
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! T W- Y W6 B: p6 R' M1 x- return 0;
) g# f3 }$ e) j( n6 e - }
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