本帖最后由 0522 于 2012-3-21 23:04 编辑 ) Y. y, V4 k5 R9 w% {7 g: e1 Z
/ ~" t2 t2 c& t3 F修改的代码早有了。到今天不会编译。6 W9 H& Y3 b9 |
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; V5 A9 u L2 w2 t" N9 ]
- #include <malloc.h>
( z9 G7 ~1 Z8 R3 d& H) V: i - #include <sys/types.h>+ V8 C: B% H* ]" H
- #include <sys/stat.h>( ]5 t5 x/ {1 k+ d" K! H- M% h+ }
- #include <sys/ioctl.h>% d( Y0 ]9 f$ X. L
- #include <stdio.h>3 Q: H" B. v2 E7 i0 z' y" M
- #include <string.h>/ L8 T7 ~. R( N) |6 ~% b
- # J2 f8 U% y z$ x
- typedef struct {8 N4 Z# p" L+ a" P
- unsigned int e2prom_cmd_sub_addr;
0 Z4 e! {: u+ k# c" i$ \/ k! [ - unsigned int sub_addr_count;
% N9 j! b" N [) d g - unsigned char* e2prom_cmd_data;
6 H: K3 u, v( m: }, t0 H9 \" R - unsigned int data_count;
; _& g9 W+ L- x - } e2prom_s_cmd;: f; X! b D3 v- n7 }) p! e0 E* n
t l: V8 p4 \& z) c- #define E2PROM_CMD_READ 1
: R2 _# c4 |/ w' n5 K8 E1 i4 E - #define E2PROM_CMD_WRITE 2
; _ B- W: v9 B N - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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: N/ x% y* @& a& s4 n6 Q! D- static int readparam(unsigned char *mac, unsigned char *stbid)8 ~) _! R) |8 y) }; s. P/ e
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- int fd, ret;& K2 D# t. u0 G! l
- e2prom_s_cmd arg;
. O. U9 Q- G4 l - unsigned char buf[0x18];
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& b7 r8 x% f0 S. t- fd = open(E2PROM_DEVICE, O_RDWR);
; ^2 L+ b2 z. Q+ M2 \7 i( T - if (fd < 0) {
# }2 O! ]' D- [1 V. C1 j8 R1 {% ]+ B8 F - printf("Device %s open error.\n", E2PROM_DEVICE);" H' |8 K( W7 {( H0 G' D% i
- return -1;3 h7 M3 I" X) [( o2 ]& f
- }
8 r' d& H/ z& Z; C u7 T - arg.sub_addr_count = 2;
- n+ \1 M3 D+ ^, @5 {. b - arg.data_count = 0x18;+ ?* r! m/ a! B* o
- arg.e2prom_cmd_sub_addr = 0x290;( k. A7 S: K# h1 ~" `
- arg.e2prom_cmd_data = buf;; i: A' v/ C7 F' O; }9 B
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 W. t* z+ \( z; q - if (ret != 0) {
5 ]1 ?! }- t; x3 s" D - printf("Device %s read error.\n", E2PROM_DEVICE);) Y9 ?+ O) H; m2 H
- return -1;
. T) ^9 { Y9 k/ B* s' G - }
( _) d) H2 b0 s- Z2 u! J+ G - memcpy(mac, buf, 6);
1 G; e5 U0 y* c$ z1 Z$ z6 ?+ J - memcpy(stbid, &buf[6], 18);) i {/ n* I' E: G" n! ?& l& ]9 I2 d
- stbid[18] = '\0';
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/ \9 i3 R6 _! ]( o; A, X- return 0;
( T$ G1 I W: t0 l* e - }
; Y: s8 `" G# R - 8 j3 f* ^% U9 y& p& M, {$ I. K$ w
- static int writeparam(unsigned char *mac, unsigned char *stbid)
+ c1 ~: ?. a) F/ X J. R: U - {
, [" i8 X; |' s( @2 X9 r( V: ^' L - int fd, ret;0 h( i5 ^3 l9 p9 Z
- e2prom_s_cmd arg;1 v+ T4 F6 ^( J7 W% X
- unsigned char buf[0x18];
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6 h8 k. v3 q4 b8 B5 h5 l6 A- memcpy(buf, mac, 6);% [ e- H y; p. L6 \- i s J
- memcpy(&buf[6], stbid, 18);7 i/ j1 q4 w$ X5 E& W1 k. |
- fd = open(E2PROM_DEVICE, O_RDWR);1 f( E5 _9 h( H9 x. B
- if (fd < 0) {) k7 B. i0 |9 c( E2 ^4 ]) Y0 S
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 X# n+ {; }2 H! x# D4 F- C5 h, H - return -1;
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- arg.sub_addr_count = 2;
2 j1 T9 [9 R: M - arg.data_count = 0x18;) @% Q' g U* Z
- arg.e2prom_cmd_sub_addr = 0x290;/ x2 c' S8 o |4 b4 L- {3 d0 B" o, \
- arg.e2prom_cmd_data = buf;
7 o8 d) Z' w! T7 O0 h4 y9 o - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
- A# e0 @0 |8 ^5 y2 | - if (ret != 0) {
. ~7 z" P# o4 ^ - printf("Device %s write error.\n", E2PROM_DEVICE);
9 {1 `( |; O5 [ i - return -1;5 M& H$ v+ B) v& S; @
- }; }! N1 w3 }* W/ u' i* W8 D7 w7 M
- , n, I% D1 H( q! e9 J
- return 0;
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- int main()) D) j+ D3 k6 |. Z& ~) r/ k
- {
, q5 d0 s9 P* ~0 c# z - char c;7 Y& X" |, D2 f. Z* g( |; r- _1 \
- int i, macs[6];9 j4 {* r3 h! }! \+ { z% Z
- unsigned char mac[6];
- G3 p9 i2 U5 }. q8 [ - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
4 {- b# k, Q9 S* o" Y5 N - return 1;7 R/ P& U; a4 W' g. Z
' a7 Q! x V* T `% Z! m: j- printf("Current parameters: \n");
# f0 F4 k& l# { C+ Z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" [& L5 ]5 v% [ - printf(" STBID: %s\n", stbid);
/ d5 p& W6 Q- {0 z# V8 o -
: r8 `0 \( g0 J - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: W* y: S1 S, `. a - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {& k/ O5 b1 @! e v; P6 T g
- printf("Input MAC error\n");8 d0 J8 h& a B
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];/ P. i; w! n2 ^' F* F6 W
- printf("\nPlease input new STBID: ");! p: G8 A: O' d4 G/ R2 n' B
- scanf("%s", stbid);. E! z# ]. R$ f/ C- W' g) ]& @$ p
- if (strlen(stbid) != 18) {: _% H$ E* q( o( s9 P
- printf("Invalid stbid\n");
* i1 e, a) S f' V7 ? - return 1;& U: m- } o/ v l$ t$ L* R
- }
! G- g' [6 s! p - printf("\nNew parameters: \n");
, \& K& e: f: Y' G f/ I \7 [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); ?7 R4 B- m, O' [3 a0 e
- printf(" STBID: %s\n", stbid);; T Z( a) Q+ f& G- E- m: c3 Q4 p
- ; H6 L% B! s# ]% o3 A0 u- _# z1 s8 {
- printf("\nDo you want to change paramemters? (y/N) ");
; j1 V6 F/ z7 \" Q/ c( T - for (;;) {; t. [7 j) G3 A" Z6 ?+ A3 Q1 o9 W
- c = getchar();
) X2 s. O- m9 B( g3 C - if (c == 'y' || c == 'Y')
4 R" }/ j! O- C7 k0 z( V1 E - break;
/ z2 H5 C9 Z! [ - if (c == 'n' || c == 'N') {
9 Y" g& P; E6 y - printf("\nAborted.\n");0 D R# U; e/ _/ G, V% ]) z
- return 1;& M! j0 @/ [, b
- }
& x' g$ Q! n+ U9 I5 l/ w - }
9 @- ^: T2 K/ y1 `4 q) Z - if (writeparam(mac, stbid) == 0) 9 V; ]% n7 u# F' ?8 }
- printf("Parameters changed.\n");
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- return 0;
3 l* L6 I& P+ W$ k2 P6 y+ e - }
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