本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
, C, d0 H8 e' t+ \) V4 b需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& }: G* @. I. I& o4 |
- #include <malloc.h>
& a7 B4 ? o# v - #include <sys/types.h>0 D8 F N" L3 D0 [# r
- #include <sys/stat.h>. z' w* U2 g. p& g6 @
- #include <sys/ioctl.h>7 L) j! {! x- U8 @
- #include <stdio.h>
; r. t8 ^+ ^) _- |, b' T6 e# ? - #include <string.h>+ u; W' g: q8 r# u4 N( l' g) O
" {0 u: W6 [: N( b) V- typedef struct {5 z/ {% T( e9 }$ {2 k$ W
- unsigned int e2prom_cmd_sub_addr;
. f9 \4 D `! o2 _- A3 y - unsigned int sub_addr_count;
$ t+ c+ A# O. y- w) {4 t* E* n - unsigned char* e2prom_cmd_data;* V" r& f0 ^$ S! h( Y. Z5 g
- unsigned int data_count;
; B2 k* M* Q* V6 q% y# B+ { - } e2prom_s_cmd;) Y. \( q3 [* T( w
l( f8 s" A9 ]% K* ~3 c- #define E2PROM_CMD_READ 1
( A- U+ a1 p8 q& z _% L$ o - #define E2PROM_CMD_WRITE 2
: q* I! o6 C. h - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid). b Z6 R7 {4 }) K6 {2 _! j/ I) Q
- {! b( {; l$ D* e: A
- int fd, ret;
% S1 ~2 q; J; q2 C" Z - e2prom_s_cmd arg; K! ^( [8 F, I" ?: k
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);/ i9 i$ M' u# z1 [2 B8 Y7 {" c: w% _+ g2 {
- if (fd < 0) {+ `" v* q& i8 O/ j# Q3 C+ x
- printf("Device %s open error.\n", E2PROM_DEVICE);( \* ^$ e( V! m; F( U) n+ e' {9 @
- return -1;: \# ^3 [* k& J2 K# @- d
- }
+ ~ w5 Z1 w: @( [+ X- e4 G H - arg.sub_addr_count = 2;
( N8 i4 |9 F% C. I$ E% ?1 j& P9 N" d - arg.data_count = 0x18;3 Y& S' R$ T+ i! p8 `7 L+ o3 ]
- arg.e2prom_cmd_sub_addr = 0x290;
) U1 h$ S6 t8 c - arg.e2prom_cmd_data = buf;+ ]$ B3 o( L0 Y$ G5 I/ I1 p" o3 ]
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);' U* R. A) _& ~/ C& z* p# D/ V
- if (ret != 0) {! s3 j- j% g2 R
- printf("Device %s read error.\n", E2PROM_DEVICE);
; c R3 k1 J. t |& B- g - return -1;' l; O0 t; S# ~
- }9 V5 @& O) {9 p
- memcpy(mac, buf, 6);
& c' [% @- K8 B - memcpy(stbid, &buf[6], 18);7 u3 U( }2 A7 w+ V' Y' `" I
- stbid[18] = '\0';
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' @: y" J2 W7 {% ?6 M) D- return 0;
s5 r3 x! h' ^ - }
% o/ p; l W- N8 |
9 K, d: |% I2 z! K& P9 O- static int writeparam(unsigned char *mac, unsigned char *stbid)
) k7 T8 d. ^7 i* P9 t( i0 C4 A - {" U" w$ s. o y
- int fd, ret;
( M4 ]" I- _; }* E4 _6 H) O - e2prom_s_cmd arg;1 g- E; y: B+ e5 f! T$ u3 `
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);5 e+ b0 o: q z" @' a
- memcpy(&buf[6], stbid, 18);
+ I) n4 m% b6 n5 @2 V/ l - fd = open(E2PROM_DEVICE, O_RDWR);5 b4 j' n3 M0 d* M; t4 q
- if (fd < 0) {
3 D5 R# D! m% r- u A, K - printf("Device %s open error.\n", E2PROM_DEVICE);2 a6 ~/ d4 G4 k7 @" ~ G
- return -1;2 L. g+ T3 _% T) V q3 _$ W! o
- }) ]2 k0 y+ `0 B
- arg.sub_addr_count = 2;( d4 z! T" W) Z! V% W% B6 T
- arg.data_count = 0x18;
) n4 Q: t6 Z; [1 S% N% \ - arg.e2prom_cmd_sub_addr = 0x290;
6 m* ]& l0 L! S7 u: N2 i - arg.e2prom_cmd_data = buf;
5 z- S& _$ M2 \* I2 T" n- q4 v+ q - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 s( Y- D( i6 j9 V! i) g; [ - if (ret != 0) {" X" P+ r' N p# G4 Z0 }5 f8 P6 { p7 @) H
- printf("Device %s write error.\n", E2PROM_DEVICE);2 ?8 Q8 Z/ k# _
- return -1;
% H9 Q9 O" f. t r; X - }
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* J( l g& |3 F4 v" j& v1 p1 [- return 0;- ~5 y2 X' W2 W$ i! ~8 g
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' Y# K, a/ n9 Y4 S: z6 f- int main()
N2 i# x$ s% c6 s( ` - {
9 N! _ u" v& w/ h& b - char c;
' a& b, V" K4 e6 t. c - int i, macs[6];
+ M* w/ w6 b8 I0 B; Q! Z; t, S: t - unsigned char mac[6];
6 G" p) _2 @ D+ _2 J( T% E v - unsigned char stbid[256];; x O# a) B' ^: h
- 1 S% r9 L- D7 A% Q l5 N7 b4 A/ n
- if (readparam(mac, stbid) < 0). ~ z3 ^4 i+ S0 g4 l) V
- return 1;! @" |" R: o% V3 _, p+ [- \
- # \$ L; w6 H2 U9 e4 Q0 i9 k! r
- printf("Current parameters: \n");7 {6 I0 }9 `+ t* {" c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 d9 D+ h& v1 A" {; x* r - printf(" STBID: %s\n", stbid);1 J' t+ t0 x4 V# ?6 ^
-
+ [* C* G6 ?8 H% b - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- r) j8 F& e' ~5 y2 n - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- B2 ?7 k" ]; J" b - printf("Input MAC error\n");
: ~; H$ c% L3 f/ x1 _0 V+ m1 Y - return 1;2 z! {* Y" i. b" Y( C, ]7 K: N
- }
& ?9 `; k& J$ w9 j$ j( K% A& ]3 p ^ - for (i=0; i<6; i++)mac[i] = macs[i];; ~& I2 o4 E5 z: F6 o9 c
- printf("\nPlease input new STBID: ");6 g: y0 F6 _7 Q# h: x
- scanf("%s", stbid);, i/ y, z& A# J) a
- if (strlen(stbid) != 18) {( ]0 Q* ~; S) h# o$ z
- printf("Invalid stbid\n");
+ F) @5 T! {1 X! B' C; Z+ d" c. b, B - return 1;
( @/ B1 x: K3 S& L5 E7 A4 c - }
2 C6 K7 D' W7 }% I% Y - printf("\nNew parameters: \n");
- p& O/ z0 ~5 I7 y7 P! }$ v/ e. U - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- N4 u9 \, w! m
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");8 Y) n0 \- Y) U+ c# `( f5 s
- for (;;) {8 M) W U9 E( u
- c = getchar();
% \* Z; ^0 {6 G" s5 S* J8 w - if (c == 'y' || c == 'Y')
3 ~: n& i5 k; H+ q [ - break;
+ u& {! k; z; q* N- @ - if (c == 'n' || c == 'N') {4 `9 z* V: f" V. l1 e! K
- printf("\nAborted.\n");
# X0 I' x% _6 X# y# h9 r- d - return 1;
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- }1 {& F% G9 b, Q/ c Y. ?6 A. o
- if (writeparam(mac, stbid) == 0) ; |" i) {( P! A; U4 K% q( ^
- printf("Parameters changed.\n");6 @9 ?! g8 _: P0 }) Q
( K- B5 L& j" u" `" y$ V- return 0;4 D4 N" p! Q( T, `$ y M
- }
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