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。, v4 | x6 _$ d: F5 u, c
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
8 m1 V( G4 d8 @5 }7 F2 q - #include <malloc.h>/ c* P) T6 T4 W$ ~$ g8 }7 D: u
- #include <sys/types.h>$ ]3 M2 S B$ |! `$ P V2 r
- #include <sys/stat.h>
) Y+ m( c* b& ?- _4 n: L - #include <sys/ioctl.h>3 _& a% h% y; W7 h
- #include <stdio.h>4 y1 i+ G) M) o' T# d$ i( I+ H0 s
- #include <string.h>
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- typedef struct {
, @6 F1 T V9 W4 n - unsigned int e2prom_cmd_sub_addr;
W! f/ h8 w' x2 U9 w! u - unsigned int sub_addr_count;. ~/ {9 ?- A+ w0 r' y- N
- unsigned char* e2prom_cmd_data;9 j$ @9 c9 _$ ~4 ?# ~2 F. A& s
- unsigned int data_count;9 |( h4 b2 t' O, U" @9 l+ x
- } e2prom_s_cmd;5 [/ h1 e0 \ S3 T( |, ^( `$ d
- + e+ y# o4 v- x
- #define E2PROM_CMD_READ 1
4 G" Z0 q" U$ W+ n8 }. i3 l - #define E2PROM_CMD_WRITE 26 k3 c) f/ Y1 O
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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" ?* ?2 K* H8 s& L7 H$ {) ?- static int readparam(unsigned char *mac, unsigned char *stbid)2 I: p3 v! h6 a7 H: t' I; t
- {3 Z% y3 s! @8 R* V% {
- int fd, ret;& F8 m/ r7 x x) |/ o4 o( n# b) h
- e2prom_s_cmd arg;% b) _0 [8 i. L; ?( R
- unsigned char buf[0x18];& h) Z3 b; z6 m7 }' F+ f% E
1 q/ A3 q# P0 u5 a* Q1 h: r8 @- fd = open(E2PROM_DEVICE, O_RDWR);
8 S0 p* l& B* i, \, B1 h/ _1 ~8 A - if (fd < 0) {
( m8 B- Z0 g5 W1 M) C - printf("Device %s open error.\n", E2PROM_DEVICE);
5 ~- ?* ]# m/ J8 c* A" j' F: Q - return -1;/ X! a1 E( i3 q" F3 H9 u
- }
6 q' Z$ k9 {. y8 K& d/ Q8 K - arg.sub_addr_count = 2;
" s D3 J; R j$ H r - arg.data_count = 0x18;, |$ G* q- [1 r- m0 ]$ I2 r) T
- arg.e2prom_cmd_sub_addr = 0x290; `" s5 R) h- q! R9 _, ^# S
- arg.e2prom_cmd_data = buf;
/ K+ f7 d" j3 _5 Z) `1 k, z - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 s/ U4 f) a! x' } - if (ret != 0) {
2 } a! u, }% @! R- ?, { - printf("Device %s read error.\n", E2PROM_DEVICE);
" C3 G2 y8 E' S; v( m7 N$ U: `) x - return -1;* B5 |5 ]/ l9 O( S+ s9 y( ~$ E
- }9 m# j$ D* M$ v( ?: b
- memcpy(mac, buf, 6);/ h( e2 B1 y, ^$ D! p& N# m
- memcpy(stbid, &buf[6], 18);
, K4 \. E$ I5 g) S! ]' Y6 R# g - stbid[18] = '\0';/ m4 \+ r+ O0 V" J3 B5 Y
- # K2 K1 z5 R9 h" `
- return 0;
1 a+ {$ p3 |4 X2 i: ^8 L/ S - }. o, z! R, [. {
- ( U3 k6 [. [ y0 c
- static int writeparam(unsigned char *mac, unsigned char *stbid)3 a0 c6 B$ b) S
- {
0 [+ d; j# w' @ - int fd, ret;
1 _# H. T8 g& j - e2prom_s_cmd arg;
8 [! u& V7 @, B7 P - unsigned char buf[0x18];' L4 L0 T* c0 A5 v2 B
# O1 r; T- B8 f! V/ W- memcpy(buf, mac, 6);% L: K5 Q* E- S$ E0 [, i0 @) i
- memcpy(&buf[6], stbid, 18);
) Y3 s5 S: w1 l- c Q1 u$ C1 L - fd = open(E2PROM_DEVICE, O_RDWR);
8 t9 Q: y; K& z |' v - if (fd < 0) {% u7 s9 i/ L. Z4 E$ E' U- w
- printf("Device %s open error.\n", E2PROM_DEVICE);+ d: P$ I5 U+ l( y2 W& T+ e
- return -1;
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- arg.sub_addr_count = 2;
. s. i# `. d2 b8 d" Y: S$ C% N b - arg.data_count = 0x18;
4 V) H0 L' Z8 a3 Y - arg.e2prom_cmd_sub_addr = 0x290;2 y$ F1 {$ @0 I9 y- ] U
- arg.e2prom_cmd_data = buf;( P. l5 k' ?+ r2 }4 j o. }$ F
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" Z5 @9 T2 G' f% _9 V$ t4 R, w1 ] - if (ret != 0) {3 T! Q" W; x& W
- printf("Device %s write error.\n", E2PROM_DEVICE);
0 M3 e }& _: ~! n/ _% ~ - return -1;
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; k6 N3 L$ h0 I' V) k- return 0;, S* r/ x* f& W9 s7 ^& v R7 d- R
- }
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- int main()
1 Z3 k. J# s/ ?0 A& E - {
( R4 V3 d/ |+ [: Z. {6 m& h r - char c;2 q4 v/ e& W( F0 R# } V
- int i, macs[6];1 m2 h" N0 {. X
- unsigned char mac[6];
' J) t1 B6 D3 A8 r! k( ~& \ - unsigned char stbid[256];) P/ N$ s& _6 Y7 d0 j
8 A& Z5 l0 U4 n, P: \- H$ Q- b- if (readparam(mac, stbid) < 0), D# |3 g& ~0 _% @
- return 1;
- i* t6 g b, k1 W3 ]! s$ N2 e0 ?& |
* O+ w- l6 w+ t: N. E- printf("Current parameters: \n");, k5 J) [( U6 ]* y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 {! L# O0 R* G5 e) ~5 N
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
H0 n; ^2 m8 u7 n* P4 z+ g c - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ }4 n' ~1 o. }6 {* [' [ - printf("Input MAC error\n");
6 c& B) J+ |) A' c" G' R2 \/ g - return 1;
6 c' E: { @# \' k3 `. N8 b - }
$ w5 d* E0 |9 b: F - for (i=0; i<6; i++)mac[i] = macs[i];
6 [. a$ C& i% n* C, N3 P1 ]# m - printf("\nPlease input new STBID: ");* w# Z( Q) S+ x( r; _' ?
- scanf("%s", stbid);8 Q" d9 ~; P" e" R7 C
- if (strlen(stbid) != 18) {
- R1 V0 _ s# O - printf("Invalid stbid\n");
* T/ Y6 u, |' _; a5 v - return 1;
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- printf("\nNew parameters: \n");
( V8 F9 y0 A. v- C( A. H& O4 V - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 ]0 |$ e4 f3 ~; q7 g. q# A - printf(" STBID: %s\n", stbid);
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( F" n8 r" ?: Y9 m3 _- printf("\nDo you want to change paramemters? (y/N) ");" s( O9 C5 q5 y$ C; h( X
- for (;;) {, e, m; ?. L' e% R
- c = getchar();& H& P" @% X7 U0 [$ [. R
- if (c == 'y' || c == 'Y')' H$ \9 V. F' ]7 [4 W; k# w
- break;, z4 ~7 U" d0 g) i' s2 L
- if (c == 'n' || c == 'N') {
( K, y x7 x [$ o# J' _8 t - printf("\nAborted.\n");& z% i0 l% J+ h( a: h
- return 1; g3 h( L. v% V# }' `
- }
8 s& z8 t6 Y. L8 W' B/ t1 p* \ G - }& h) @6 b; T9 l1 L
- if (writeparam(mac, stbid) == 0)
3 w* z& r' P" P3 e7 y |2 p, c - printf("Parameters changed.\n");
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8 ~! h7 z# [( U! I- return 0;
6 F( c; O* U+ M& t# x2 I - }
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