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。: A6 x, A: ]# |
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 Y6 G/ m3 e. ?, c! s l
- #include <malloc.h>$ P/ X0 B% }4 z
- #include <sys/types.h>
' T' e' Q2 r: {/ C7 K - #include <sys/stat.h># w! c6 _; K$ x, Z8 ]; s5 }2 U+ ~
- #include <sys/ioctl.h>
. u, z$ N- Q( L1 i( R - #include <stdio.h>
' y# k# o0 }, I/ H t - #include <string.h>% s) f: ?! {( \) u" e
- L" p' ~8 u1 l2 w5 ^1 N
- typedef struct {. ]5 T* H6 E0 h! \1 q% X. v
- unsigned int e2prom_cmd_sub_addr;
$ G) H& E& y7 ^, ^4 l - unsigned int sub_addr_count;
" t; @2 U! w. ~- C, `# t - unsigned char* e2prom_cmd_data;
& Y" K' d* I* {/ h - unsigned int data_count;
$ L7 z+ }7 v5 S) N( e6 k - } e2prom_s_cmd;& B5 `$ J8 F* i: C* i4 X* v: s
- ) M( d+ z4 m4 T0 t, _
- #define E2PROM_CMD_READ 1
% x7 w1 b) J. _) _ \ - #define E2PROM_CMD_WRITE 2# ` ]' }& m( `6 y n7 t- W
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"8 r. Q% D9 \, M# e% t
- $ T: _2 }- ~& a2 |% i
- static int readparam(unsigned char *mac, unsigned char *stbid)
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; u5 p' n, E; k* Q - int fd, ret;6 _7 W1 R2 ^! ]8 a& }
- e2prom_s_cmd arg;5 j U5 d) q) N* V
- unsigned char buf[0x18];7 s: D' o0 q6 s/ _$ k
) e( _1 U6 O- G) |, ?- fd = open(E2PROM_DEVICE, O_RDWR);8 S. M Z( C/ G) ]* j- t; D
- if (fd < 0) {+ H+ k6 c5 w2 T. l
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 h6 N( f) z0 b' o7 e - return -1;
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2 R f% h% ^ x# c$ r% N4 O - arg.sub_addr_count = 2;' f+ \" T9 n8 t6 N
- arg.data_count = 0x18;% y" A* O) d6 ?4 D; U
- arg.e2prom_cmd_sub_addr = 0x290;, q" b$ G" } ^* M+ M+ n
- arg.e2prom_cmd_data = buf;
. e, O: G+ E% M% T- q. u9 I - ret = ioctl(fd, E2PROM_CMD_READ, &arg); }# `' r( H: a3 t* S
- if (ret != 0) {( s, B% r" X7 H! J
- printf("Device %s read error.\n", E2PROM_DEVICE);
0 J- b( u- j& X, u - return -1;
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- memcpy(mac, buf, 6);
- _$ ?$ x/ |" _7 Z( } - memcpy(stbid, &buf[6], 18);+ w( M( @- ?# }8 B y2 \
- stbid[18] = '\0';
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
% F3 a) e# U$ ?. I# F1 _ - {
3 x% u2 K( i' k. a3 l$ A+ t* { - int fd, ret;
. ]( |% e3 i7 _* D4 Z5 Z8 U - e2prom_s_cmd arg;/ V, ]0 T0 P" L5 w! I. k1 o, O' t7 J
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
% u& Q, G! P" ^7 L6 j6 v - memcpy(&buf[6], stbid, 18);
9 B5 @& ~9 ?' W3 U# p! R - fd = open(E2PROM_DEVICE, O_RDWR);
9 E! e2 d6 f: n- G - if (fd < 0) {! o0 w% p, y4 [6 E& l, b* ^3 v
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ I8 N& Y9 f2 @8 H$ D2 s5 G/ J - return -1;
1 u1 }8 {& j- S4 D - }
' a4 l5 @0 u0 P( K - arg.sub_addr_count = 2;- U1 x* H: y. {% [/ |/ x% p$ E
- arg.data_count = 0x18;0 Q2 m9 @$ p$ g2 n: s2 X3 g
- arg.e2prom_cmd_sub_addr = 0x290;7 V- P; o# M5 Z# k5 O7 m+ ?
- arg.e2prom_cmd_data = buf;
: M' M7 M+ _& S0 t - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- {- p( V+ V+ G0 q- r& U9 D
- if (ret != 0) {
/ q% \: S6 g# ~& r0 v - printf("Device %s write error.\n", E2PROM_DEVICE);9 X$ i5 S" B8 u
- return -1;: ~" z# u+ D1 ~. B! ]1 ?" a
- }
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- return 0;
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- int main()9 c# ^+ i! \+ x% L: ]& s s) F
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- char c;
# H, C7 T8 H- `! Y" t - int i, macs[6];
+ Z, a0 x; {: ^/ ]. y( n; O1 P2 L& Q - unsigned char mac[6];
! x0 c3 X( A* J8 v - unsigned char stbid[256];2 O! V& V4 m6 y' |5 Q4 W
- $ q) J- R: r* x! Y
- if (readparam(mac, stbid) < 0)
5 C! K* ~$ M! M+ u - return 1;
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$ d* S3 l- }; ^% y; V- printf("Current parameters: \n");
- u* T" u6 L5 h0 q2 c* ^- |/ w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) Q* E- n" }; P6 Y - printf(" STBID: %s\n", stbid);
% h. a0 N9 |( ?" v2 K$ e+ k* ^ - . w: ~: Y( w+ z* q* d7 i$ d9 ?1 {
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");3 h5 O5 p. P" f6 _: R6 i7 n
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) w: ]3 g {1 H/ N6 |0 \
- printf("Input MAC error\n");
$ W; ?/ M9 b% v V7 t: q" ? - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];' N( Q7 A" A) J
- printf("\nPlease input new STBID: ");& ^9 m0 D5 k& J4 x4 J8 Y
- scanf("%s", stbid);6 E7 Z1 O+ y! ~
- if (strlen(stbid) != 18) {
; V5 ]/ J& ^ D - printf("Invalid stbid\n");
U0 {9 z3 e9 U( U$ r4 D' k - return 1;0 u9 V/ Z. T% q
- }
j# U: X6 _: t& D2 W# O. F& O - printf("\nNew parameters: \n");" L1 Z" B' M- @: [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% J2 b1 u4 _+ O) \8 S8 h
- printf(" STBID: %s\n", stbid);
- O' d" W& {0 L' W - 9 r5 F- X/ \7 r* {3 v+ g: ^" e# Z% e
- printf("\nDo you want to change paramemters? (y/N) ");
9 T! f. q" x4 |. H# _% y. S- h - for (;;) {
1 z2 g4 {- K4 l" z& c0 r2 o - c = getchar();0 V c& x. T' _% I1 a
- if (c == 'y' || c == 'Y'), o8 P3 R, Z) P
- break;3 W! Y" n" t3 L$ v; f
- if (c == 'n' || c == 'N') {! `+ ~# ~% b/ V0 R$ J) o
- printf("\nAborted.\n");
9 S; @. ]7 N4 s. T3 F7 Q2 N - return 1;; a/ K, u* U: ~* Y) @
- }
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- if (writeparam(mac, stbid) == 0) 9 U- N* |4 C1 m) o
- printf("Parameters changed.\n"); H3 n/ k2 K. s$ \% F, h2 M
- 0 N2 o4 _ [0 m N. Q/ _6 ^1 W
- return 0;
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