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。
; j# V! R& k! b4 |需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" \% D. E, \4 ]# Z6 R. j: z - #include <malloc.h>
" i, A; a1 y# x, j+ T& M) I1 w0 | - #include <sys/types.h>6 }7 B& Q+ X1 c, d& h, l
- #include <sys/stat.h> r5 ?) C3 r- k4 w- c! Y
- #include <sys/ioctl.h>" ~) G" _& }) c
- #include <stdio.h>
* h E7 z3 J9 {# E" N2 O, ] - #include <string.h>
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5 Q6 G# G+ o. Y3 X8 \5 Y( J) P+ R- typedef struct {
1 R2 a: k1 Y' o2 r. p7 i. Z - unsigned int e2prom_cmd_sub_addr;
0 [- n5 K3 \% K( t3 I - unsigned int sub_addr_count;3 e' o3 t& ~2 ^5 K5 V/ y
- unsigned char* e2prom_cmd_data;
% X7 x- W2 h1 b) o+ P - unsigned int data_count;
: ^1 a B. T) R - } e2prom_s_cmd;+ ? b" O! u W5 { e. A
" l' B) ~/ G; u' Q" i: c9 ]- #define E2PROM_CMD_READ 1, c3 P3 `/ ?, O; U( P0 U
- #define E2PROM_CMD_WRITE 26 t2 X4 f* J" J) u. i! I* `7 _
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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) ?# `2 r) z1 b" w$ c, i- static int readparam(unsigned char *mac, unsigned char *stbid)
6 v# N. O, ^) v - {
+ ^% ?# A6 N' n# Q4 n/ u4 z - int fd, ret;# g8 [% ^% h* A& A' F; f7 P
- e2prom_s_cmd arg;
8 \6 u9 [, m0 U$ U - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
3 L1 x: Q' o/ W6 N. W( a0 c' P/ ? - if (fd < 0) {
- c) t4 U; U' M2 g - printf("Device %s open error.\n", E2PROM_DEVICE);
o7 G1 J9 v9 g& } - return -1;
# n( n, x J0 [; U; X - }
^' Q% x6 W* S$ g- D5 D/ S - arg.sub_addr_count = 2;- r3 Q" s E( c6 A
- arg.data_count = 0x18;, J3 a; s, h y% l6 ]8 A5 J6 D. D
- arg.e2prom_cmd_sub_addr = 0x290;; w8 h8 t* p a. w
- arg.e2prom_cmd_data = buf;) z( T: L( l# a# _% ^1 v
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);" t& T& p1 O4 Q& b& ] I7 r
- if (ret != 0) {
& S& ~, c6 b$ B7 Y, g' D) F - printf("Device %s read error.\n", E2PROM_DEVICE);9 {% a8 q- L4 n8 r/ }5 Q4 a
- return -1;
% d3 Z# I# A/ L* G* H+ ~+ b8 n6 A - }
; N( k) X9 O) X9 ?; C - memcpy(mac, buf, 6);
2 U& n6 q: L0 d5 i/ y; S' s - memcpy(stbid, &buf[6], 18);
. ~% ^$ E6 B; O& V! | - stbid[18] = '\0';) V: `4 C! l5 d5 ?$ \
- # l9 q3 `* ]; }6 V! r& b5 K
- return 0;2 L- n7 E/ R9 x- X# f6 B/ E
- }8 ^, p9 c- T- ?( R' A
- 1 g+ z. b7 h0 s% u* c# M3 {
- static int writeparam(unsigned char *mac, unsigned char *stbid)
/ J8 r8 K( @# p3 D& F* Z - {
1 {+ y6 B. D8 o3 e - int fd, ret;. d# I* {7 U9 A8 }! z
- e2prom_s_cmd arg;
% ]; H: S; G9 B* }( a" ]( p - unsigned char buf[0x18];! H$ K3 k( l; f
- , R s) S" D8 |
- memcpy(buf, mac, 6);0 @! W; a7 H# Z
- memcpy(&buf[6], stbid, 18);0 R0 T. a/ U* m' {
- fd = open(E2PROM_DEVICE, O_RDWR);
3 h& ]) }; R I - if (fd < 0) {
) Z I0 u: C/ | D8 p - printf("Device %s open error.\n", E2PROM_DEVICE);8 x" w9 ?& l6 M( H$ T1 B! b
- return -1;
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- arg.sub_addr_count = 2;9 u6 s7 V9 a9 N7 [* E5 l9 B
- arg.data_count = 0x18;" q, ~. u; D* ?1 Q" b- K; t3 H
- arg.e2prom_cmd_sub_addr = 0x290;
6 ]! l1 P7 g' G - arg.e2prom_cmd_data = buf;
- M: d9 r5 Y G - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);& ]' C* A# H7 N; V& P0 S, _
- if (ret != 0) {
" E1 U% Y+ z/ {* g - printf("Device %s write error.\n", E2PROM_DEVICE);
8 k* `. U. c; ] ~. J - return -1;& g& e2 x9 b2 U' [# ]
- }5 T( {( k& g% a; n2 j8 v6 }
0 r1 A( H& ?+ C9 ?+ @- return 0;( Y3 u, M: i# Y- |7 H6 j- v: a
- }
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- int main()
7 g" C7 ^+ ?" u; d" j - {
" S# M7 Q( u9 J. @ - char c;
' \. X- h2 @2 ?6 w9 A+ a2 n - int i, macs[6];" t, X. {' _4 a' B" b
- unsigned char mac[6];
( ?1 z' w* f% E7 e, u8 L - unsigned char stbid[256];( `5 b# W2 D: L" I
- , W& G; j! E& I& U* I! ^& R" C
- if (readparam(mac, stbid) < 0), z3 x3 ]) w% v) t. J& V
- return 1;
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! q6 K; V8 P# m/ x& R0 _- printf("Current parameters: \n");0 O1 A, g0 q% I$ ~8 N7 V
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& k. Y$ j# N3 e5 q6 r9 V( _- w - printf(" STBID: %s\n", stbid);0 p) y8 C+ ]7 Z$ o+ f: k
-
) j2 Q6 R. e. |7 u" x+ K* H0 _ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
1 U6 U+ A/ [' O - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( u8 J- |! {. X5 t - printf("Input MAC error\n");
: s, U( r/ u& i6 O* @6 ~8 z' r - return 1;) t! ^5 l6 Y* X O& }, Q
- }
. \. `( A+ O; F - for (i=0; i<6; i++)mac[i] = macs[i];
* T/ T; z' b. e2 H0 H - printf("\nPlease input new STBID: ");8 N% x7 C4 D$ |. l: m' U& d
- scanf("%s", stbid);2 A0 }5 C- [+ r$ U5 p3 E
- if (strlen(stbid) != 18) {
6 m5 q' z1 ]" [ ] f/ @ - printf("Invalid stbid\n");
1 d% D" J, a8 r F1 ^ - return 1;
! q) E/ X' o T( M* e6 Y - }
0 v, u; n2 V* } - printf("\nNew parameters: \n");
% {. G6 H6 O) l% Y1 }# e/ S6 W1 F - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( M |9 G* s4 [& U - printf(" STBID: %s\n", stbid);/ {1 o: T: ]1 O' M
: o/ W0 {. z# `9 Q/ r, C- printf("\nDo you want to change paramemters? (y/N) ");
( K6 ` X0 T- A, _9 I - for (;;) {
. b U2 [1 m9 D6 M1 n - c = getchar();4 M$ ?/ \6 g- i/ x1 `9 {) w$ H
- if (c == 'y' || c == 'Y')
# Q$ u+ M. l( P: Y5 R& s$ z2 U - break;
. g! S2 V8 ?) Q# ~ - if (c == 'n' || c == 'N') {
& r) q9 }2 I8 P) H - printf("\nAborted.\n");; k s# T9 C' m9 y5 O f
- return 1;
2 B0 E: D) C$ e S8 ] - }' h4 G/ Q# a. U% X/ r
- }
* g# Q+ ^9 l$ m5 a$ _1 g - if (writeparam(mac, stbid) == 0)
! C' P9 r& E8 q - printf("Parameters changed.\n");* j) t8 B* o# G! `7 M0 B8 T8 T5 S( u
' H3 Z5 I8 n) q. A3 Y: D' X) @7 y- return 0;
/ S7 a9 a! q$ f: \ V - }
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