本帖最后由 0522 于 2012-3-21 23:04 编辑 r8 V/ ]/ D& ]4 \. T0 J
' R2 V4 A% L, P( {& b3 W ?修改的代码早有了。到今天不会编译。
; o$ \7 V# V; ~: J9 a需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, P+ D# [- e# W! U+ [" m* l
- #include <malloc.h>
. q; x4 L! o1 t L - #include <sys/types.h>, @/ m3 V c* B# z
- #include <sys/stat.h>
1 M, t) [( J5 o N1 y - #include <sys/ioctl.h>! N$ X0 x8 i1 x9 C* O+ Y
- #include <stdio.h>0 `/ M) Y7 o- C: R/ ^" O3 o
- #include <string.h>8 W- G+ Z( ]% `) P( U- a' q
: j8 k9 J: z; R9 z" e: y- typedef struct {
" ]! x2 `; ~$ a1 S4 e& U# p. x - unsigned int e2prom_cmd_sub_addr;4 o9 ?0 l7 _' m
- unsigned int sub_addr_count;- B( ?5 G& R9 y' k
- unsigned char* e2prom_cmd_data;
3 l! K( u. h: O) Q - unsigned int data_count;0 \! E' v9 Q+ w- n8 `
- } e2prom_s_cmd;
. |4 A8 I. T" }7 h* X$ d4 y) L - 9 Y% Q/ N: y7 g: q U
- #define E2PROM_CMD_READ 1
3 h9 [5 @, y; [ Y3 g - #define E2PROM_CMD_WRITE 28 @7 S' }% L1 i
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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' C; E2 ^- U8 z) D- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
0 x, Q* v/ F) @5 S: o: n9 p - e2prom_s_cmd arg;6 g4 Y4 o- A) E* ]% F# g% U5 b
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
! S. g9 o( [: E( v# r2 E - if (fd < 0) {. X9 X6 t! r/ ^: l p
- printf("Device %s open error.\n", E2PROM_DEVICE);9 b4 _# `$ E1 a' M+ A% V# i
- return -1;
5 r2 g2 B( o4 c; H - }
$ }) E v3 }3 @3 i# A9 `7 i2 i( b; n - arg.sub_addr_count = 2;
" l+ C- T- J; H - arg.data_count = 0x18;
& `. k) z/ J( t" x$ @ - arg.e2prom_cmd_sub_addr = 0x290;
+ D H4 b/ m4 G) N) b5 s7 G6 n - arg.e2prom_cmd_data = buf;
7 `1 S8 K' g! x% j - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- J# u. n( s, B+ Q - if (ret != 0) {
; E; U) j3 @8 `; f1 Q( n; ^ - printf("Device %s read error.\n", E2PROM_DEVICE);
3 N& v; Q+ x/ H - return -1;' O6 R3 g% |: b# d- Y, n
- }8 m5 ^- R0 }3 N
- memcpy(mac, buf, 6);
, k L' B6 I' d# C5 p3 { - memcpy(stbid, &buf[6], 18);
0 c- d, J% w3 o; L9 l+ K - stbid[18] = '\0';' V1 a Z# u k8 e) w Q
- % s# \' {- \- t8 O3 v% e, C
- return 0;& j( R; {2 S b0 J, P
- }! x1 R9 `/ E" D* _8 D- g
& q# x, Z. J% P9 e' }( q- static int writeparam(unsigned char *mac, unsigned char *stbid)
6 @& J# Y+ A) `2 K! o - {
2 ^+ @( y) ?2 D$ e" j9 b - int fd, ret;
; q9 n9 g# r1 ?8 F: n( [1 O9 q3 v - e2prom_s_cmd arg;* E s5 @( s3 d
- unsigned char buf[0x18];: q. t7 x- {1 _- e
. K2 }2 ]6 X+ h- memcpy(buf, mac, 6);( S# V# b4 E- I# k) b' H M1 R. a
- memcpy(&buf[6], stbid, 18);+ o1 {+ F& F: c+ t
- fd = open(E2PROM_DEVICE, O_RDWR);$ S% V6 \1 p% U+ \: S$ ~& q
- if (fd < 0) {
' X; s7 c/ }5 U( r: j5 @ - printf("Device %s open error.\n", E2PROM_DEVICE);
/ @/ G- c& h3 q$ N; u- g1 i8 P - return -1;' ]( u0 F9 L, G+ T2 [. R( q* ?( I
- }- S) E0 b/ u' e+ ^0 ?9 R, G9 x
- arg.sub_addr_count = 2;
- s F% O, z0 ~7 _: H. H- U( @$ P - arg.data_count = 0x18;5 U4 i N# u* z. q
- arg.e2prom_cmd_sub_addr = 0x290;: i3 m/ m5 C6 u! x- J3 G+ D
- arg.e2prom_cmd_data = buf;: N0 C$ c! G ^8 ~
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);9 g5 ?; O3 ?% y3 v! a/ ^
- if (ret != 0) {* `% V- k5 y3 r t6 W
- printf("Device %s write error.\n", E2PROM_DEVICE);. W/ E; |8 w7 ?# |$ K/ _: ]0 P- }9 |
- return -1;- h+ x' G* g! Q k) n& K9 z
- }8 i# \5 b8 e9 a5 o
: e$ Q& W) V" g9 ~- return 0;
$ @- C& _ J- S; R - }! P; _6 @$ N- x
3 E4 h& X6 j: P# r$ @/ p+ A- int main()
' f4 N: [! d; Y8 S3 b - {
9 }' k* i) ]1 R2 L7 h - char c; Z% K" {& X; D, |
- int i, macs[6];
& t7 [% ` z4 N; D - unsigned char mac[6];
- m9 C0 @: {7 N5 ]$ R. N5 a0 q8 a: c. g - unsigned char stbid[256];
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0 G. ]5 \# D7 a& g2 R- if (readparam(mac, stbid) < 0)& v; l( h+ `/ ^1 I! f
- return 1;4 p& J m7 l, q. l* E
0 s+ d. V6 [- y0 ?# h. L- printf("Current parameters: \n");7 i5 z$ R; w6 L6 O5 Q- p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* G' ^& t: X9 T* X# N4 P - printf(" STBID: %s\n", stbid);; s) v6 B5 u2 l2 @; b
- 1 b- H( V& G. c6 a8 L: D
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): "); F9 |4 G& ^3 P' Z
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {/ U7 u o( I/ m9 E# P% K
- printf("Input MAC error\n"); x0 U# c u$ Z6 m* R q
- return 1;$ p" u/ w2 Z$ o: _0 x
- }
1 I8 A8 Y& u: V0 B, V - for (i=0; i<6; i++)mac[i] = macs[i];" W7 Z: D: N; G2 L! ]/ z! `
- printf("\nPlease input new STBID: ");
# a# }% t3 W2 q Z( e3 _1 R" d - scanf("%s", stbid);" n% C2 ]$ Q/ [0 Z9 M
- if (strlen(stbid) != 18) {5 ?) D6 a! ` Y+ `, t4 w+ j
- printf("Invalid stbid\n");9 F5 R! n0 l5 {& G! o7 b9 Y" V
- return 1;
: A8 \+ o0 m2 [; z7 q - }
" s, v7 Q5 z3 j, \) T: q6 ^! k - printf("\nNew parameters: \n");
& G' A5 @6 g9 u' W - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) U7 S+ f3 \0 e2 e. G
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");+ c6 F- I p- @+ o! l c1 x' J) O5 W
- for (;;) {8 g9 V+ `. f# Q. G$ H1 f4 W
- c = getchar();
9 ?. Z# @5 b5 o" T: ~ - if (c == 'y' || c == 'Y')
7 @) X) T' ]# P# H8 h+ J - break;# }" {6 q: c4 R: X
- if (c == 'n' || c == 'N') {! O9 h" D; m5 o& `" z( m
- printf("\nAborted.\n");
; q1 Q2 {- M+ y+ M - return 1;3 `8 K# v( E" R9 Q& A2 l9 Y& t' N
- }
* }7 D. e: W: k; @2 U' y0 v4 q/ P - }2 r9 i/ N0 ]* G' c2 k
- if (writeparam(mac, stbid) == 0)
& @6 S0 W4 u# u% O5 a; {3 [' a - printf("Parameters changed.\n");
3 S% h" s- j7 ?6 d - ( N$ [& \- i# K2 j' ] {
- return 0;+ _8 N; F0 B! |5 X
- }
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