本帖最后由 0522 于 2012-3-21 23:04 编辑 . t' p, {5 n3 e% ^* W" j1 f
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修改的代码早有了。到今天不会编译。
- z, k0 Y# `! Y7 {( g需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% M+ F% R: ^7 \: |' m8 u3 U - #include <malloc.h>1 H4 S) O' n; [/ _7 {- ]- p# n
- #include <sys/types.h>3 ^7 n$ @1 s" B6 U
- #include <sys/stat.h>5 a- Z- E4 Y4 o) ?
- #include <sys/ioctl.h>
7 H; I- u5 @$ {. ~+ n$ t - #include <stdio.h>' O. Y, r$ Y- n, C. q" _$ N+ x, H
- #include <string.h>* V( s2 u' ^& o" L0 o+ _
; o7 n0 z8 S+ |3 O8 N- typedef struct {
) I2 S2 B. v* M% o/ V) Y( N9 M1 q - unsigned int e2prom_cmd_sub_addr;% H h2 g7 z3 U1 F
- unsigned int sub_addr_count;
4 G) x) p5 _2 a2 W# y - unsigned char* e2prom_cmd_data; l4 F! M+ T% T6 j) A# M
- unsigned int data_count;3 B+ k4 ^( {8 f# d+ s
- } e2prom_s_cmd;0 d, V: V0 ~) v1 T$ I
- 5 d, s& K3 {5 H1 [; s9 ]
- #define E2PROM_CMD_READ 1% W( |. W# v3 A3 x. p
- #define E2PROM_CMD_WRITE 22 {- {" U* M1 ^/ M
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 {) L1 R' i( l4 Q$ U
/ V& s% \% \( Q" {* z* U$ Z- static int readparam(unsigned char *mac, unsigned char *stbid)8 K+ \6 A2 Q: Q* i
- {
& v- g6 P: m& ]" s' B - int fd, ret;, M: E! ?! a3 a+ x1 R( J/ D: q
- e2prom_s_cmd arg;
5 U5 N1 `2 k2 H: \) }" B - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
7 I1 G8 R) Y& y' @ - if (fd < 0) {/ N5 T- n2 w( g: D: q3 y* N; Q
- printf("Device %s open error.\n", E2PROM_DEVICE);+ c1 r V3 M2 z, [
- return -1;6 K9 ]5 {8 H7 h7 S
- }
" ^# G0 S1 i9 J$ o* t( Z - arg.sub_addr_count = 2;- A+ g/ }; c9 x
- arg.data_count = 0x18;
) U. u( Q! s; `8 f( @) i - arg.e2prom_cmd_sub_addr = 0x290;
9 w5 x3 _; N; ]" u& y) j7 v - arg.e2prom_cmd_data = buf;
$ F' l3 f) P* ~' a - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
; b4 P% E# O- t: d' x - if (ret != 0) {/ |& q& W7 A9 |
- printf("Device %s read error.\n", E2PROM_DEVICE);
# v$ ^% f' q: J3 a2 ]3 i1 C( q, { - return -1;
6 {0 l$ ?! n; `. D - }
6 K/ v* b: l+ Z! b. d' B$ `' \ - memcpy(mac, buf, 6);
. B# c4 R0 x% m) _5 \. {. q - memcpy(stbid, &buf[6], 18);
L$ j( w* {/ Y+ O; H" F2 ? - stbid[18] = '\0';# h$ q0 c+ P3 r" |" a- M, p
" Y1 c6 P* N6 B1 _- return 0;& ^8 ]! t# x; g
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
, l% y8 Q8 X/ m' F8 \+ z2 w - e2prom_s_cmd arg;
! I& A7 _" S' s; G+ d - unsigned char buf[0x18];( P% e" V& J) D. j9 [/ r" T
2 H% [& |+ d( G: \9 Y# Q- memcpy(buf, mac, 6);/ J* y4 J, D/ p% @/ O( R: N8 A
- memcpy(&buf[6], stbid, 18);
: R5 t0 D# \+ [3 B8 R8 w" v- U$ P+ { - fd = open(E2PROM_DEVICE, O_RDWR);
# L& m ]8 F+ F2 m& ^ - if (fd < 0) {
( {; B2 Z0 P, o7 x' R$ q - printf("Device %s open error.\n", E2PROM_DEVICE);% v, ^1 g8 h* u$ h
- return -1;
; ]- q4 W% X2 g: i% M3 h- X - }1 V/ m0 E. v7 Z# O5 C; \
- arg.sub_addr_count = 2;
9 L# X: i& D0 [( V+ Y( K; g, W1 ^! p - arg.data_count = 0x18;
% @/ s5 v1 ?4 e, {: o; p+ T0 v! H - arg.e2prom_cmd_sub_addr = 0x290;
& p% s. i: y* u3 l7 \# C - arg.e2prom_cmd_data = buf; _# k5 P0 H9 a9 S+ s
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ A9 ?1 a7 z6 g, M. v
- if (ret != 0) {/ ~* k. n- a9 H/ T0 {/ t
- printf("Device %s write error.\n", E2PROM_DEVICE);
9 j8 Y. a! M# Z% W) q/ ^ - return -1;
% |7 u* [$ [; t/ P- f( b' i - }
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- return 0;3 D" r) k( }; s6 W0 f/ e/ z
- }
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* {% [* K; R9 x- a2 \" E- int main()
- I; B( S7 _ B/ X5 \& o - {
! x6 J) h% |) ?- s8 y" e( a$ R" @ - char c;
) z* b `; s' ]( D2 _% T6 W' [6 n2 u - int i, macs[6];
" p/ n8 T+ k+ S; G7 R' c. N - unsigned char mac[6];
" U* t7 E& W$ u& z0 c( w- S - unsigned char stbid[256];, p% E0 X5 s5 T
' u0 j& E) v5 Z9 L% }) i- if (readparam(mac, stbid) < 0)
- j4 Q2 o6 K! k8 O z+ F( u, E - return 1;" p" F. n- \3 n/ M P/ @
- $ `3 |: E% ?# C9 ]& {, B' Z$ y! }# M
- printf("Current parameters: \n");& b7 U5 f+ f9 E$ i) N- U$ i
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% L3 v# N. g! }0 \ - printf(" STBID: %s\n", stbid);! s1 I |2 }; m( h
- * p ?; I, _ I! D* z
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 o! F4 |, \0 w1 U0 ` E" H - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
% d: x8 @5 s3 u' y9 f - printf("Input MAC error\n");
8 R) m1 L. `0 E- B! B( U - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];% U5 r5 ]* n# k) C( q. t* d% i
- printf("\nPlease input new STBID: ");
( X" N) C9 L' x - scanf("%s", stbid);% S+ Y' k. p9 \7 W
- if (strlen(stbid) != 18) {
( s1 _" R0 W& l% m$ N8 [ - printf("Invalid stbid\n");3 V. w( G, e# k4 Y
- return 1;' B3 v0 o$ u$ A" }7 F" {
- }% e! q0 C' J7 z7 {" D5 y- R
- printf("\nNew parameters: \n");4 ^: ]0 x5 z: Z- ?" h1 @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- n) R! D: j2 F4 F$ y7 W' { - printf(" STBID: %s\n", stbid);
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( V* u. x- \" L- printf("\nDo you want to change paramemters? (y/N) ");7 C% |& S5 M# R9 w1 f+ p
- for (;;) {! w% H+ F' Z+ [0 m9 V s( T5 y) K0 _
- c = getchar();" I$ x# A# R2 [. Y1 w
- if (c == 'y' || c == 'Y')
. E# P% q$ v5 j1 `3 Q - break;: p: W! F; N* }" s
- if (c == 'n' || c == 'N') {* |, S, I, Z$ a
- printf("\nAborted.\n");
5 C7 ^0 y! [( n: a: J - return 1;2 Q. ~- z/ X, S
- }
3 o6 N0 H, r7 J - }
$ b; L1 }7 ]6 K - if (writeparam(mac, stbid) == 0)
4 A( a' n+ ~ y/ z |0 n' H - printf("Parameters changed.\n");
- x0 C5 ?5 ]9 L! N1 i1 @$ S - 7 K4 |$ o* q. V, [. @4 p
- return 0;# |5 z4 d0 z; |$ C) L
- }
复制代码 |