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。9 {% w1 B+ f( {) {+ Z4 K# x
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) E# ?) a3 D, r1 A7 ~
- #include <malloc.h>
' B. H+ R6 t, h* d - #include <sys/types.h>
8 _" d) o% a0 G) l, U2 \* K' v; h/ b3 G - #include <sys/stat.h>
2 g* D7 d& x5 S - #include <sys/ioctl.h>. e/ Y" }. |; I( i, h1 n
- #include <stdio.h>- _1 h1 H) z8 D6 y) H% I9 s5 I2 m# d
- #include <string.h>, n: _4 f3 X }/ d6 v5 g+ S
6 H" t$ N- i) f. D- typedef struct {
; g6 W$ Q; l7 o0 ~, T; j# N6 H - unsigned int e2prom_cmd_sub_addr;6 @# G- d9 y" k* u0 D1 Z: h% c
- unsigned int sub_addr_count;8 ]! O& M( O$ G% y$ c
- unsigned char* e2prom_cmd_data;
* Z O" n g' f - unsigned int data_count;
n+ v' F) E! M" ~$ F0 [% O$ N1 G8 ` - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1# Y6 c) ^+ S3 w
- #define E2PROM_CMD_WRITE 29 B; p, O2 a- n
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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. p5 ?7 }& [4 {6 E% H$ U9 [* O- static int readparam(unsigned char *mac, unsigned char *stbid)9 j6 K/ }6 O# ~7 T
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- int fd, ret; V* B1 f1 p% S! t+ ]
- e2prom_s_cmd arg;
" [4 P9 ?) ^' D5 Q" U - unsigned char buf[0x18];+ E, S% Y0 z- f8 [
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- fd = open(E2PROM_DEVICE, O_RDWR);
* C. \7 D: P @4 W* m. b - if (fd < 0) {5 K6 B( Q8 h4 ~0 e
- printf("Device %s open error.\n", E2PROM_DEVICE);
* U; K; U$ K4 p0 \$ n w) @ - return -1;
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% s8 r4 p/ j1 `8 u7 H! n - arg.sub_addr_count = 2;8 X- C4 Z& J% a& i0 x
- arg.data_count = 0x18;
) |, d& Y7 Q3 P( m% c. b - arg.e2prom_cmd_sub_addr = 0x290;
) Z, ?. s3 c& Q, x1 O0 @ Z5 v - arg.e2prom_cmd_data = buf;0 _1 [/ N. z& Y# M* H
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ Y7 q6 t- P1 H7 a) g, ~, H& L - if (ret != 0) {( o/ [ e. s, V+ u0 H
- printf("Device %s read error.\n", E2PROM_DEVICE);
8 y: W2 ]. D* v& L - return -1;
% m/ p J* x7 W/ b/ ]% v - }
. Q% y& b: m, I) t - memcpy(mac, buf, 6); r c9 ~( }4 D8 ~
- memcpy(stbid, &buf[6], 18);
) T! Y0 ?% `4 c3 C - stbid[18] = '\0';
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4 |9 N8 ]6 L* ?" N5 S9 \- return 0;/ d3 ^- \3 y5 z& [1 I: T$ p
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)1 `' m6 F0 q- `6 @
- {( j4 @* c% g0 Y0 W( M
- int fd, ret;
4 k- d0 i% `7 q. @' X- d - e2prom_s_cmd arg;0 n+ ~# o" s8 v5 ?. X, f
- unsigned char buf[0x18];; _3 @" N8 H( ?0 y
9 q2 |7 H b+ g( D# k& q- memcpy(buf, mac, 6);
' n- W7 J! }$ n: X; b - memcpy(&buf[6], stbid, 18);
: e/ }# S$ c( P* ^* y+ D. K - fd = open(E2PROM_DEVICE, O_RDWR);
, R$ S ~8 s! \- Y8 M - if (fd < 0) {
2 i: A% a% h8 n$ K+ m- }! B; K - printf("Device %s open error.\n", E2PROM_DEVICE);
8 e: ^4 I9 q7 R7 C* N- h# e - return -1;0 q5 I% V8 J% }5 J4 a
- }
: v, @+ z- m' a' a1 ^$ I - arg.sub_addr_count = 2;. }: r$ {- g) x
- arg.data_count = 0x18;% A5 Z# J( f( U4 C% s. e
- arg.e2prom_cmd_sub_addr = 0x290;% X0 b! N& [. n9 }2 g
- arg.e2prom_cmd_data = buf;% p8 f6 t5 _) e& z
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
* a5 v* v2 r1 `; Q' A - if (ret != 0) {
2 `9 |* F% i" X+ L. Q+ f' I. R6 p - printf("Device %s write error.\n", E2PROM_DEVICE);
4 N8 S f% Z( U2 D" p# J1 R - return -1;; m; ~+ {* H. J1 t2 u
- }
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- return 0;) _- c- o& B- S6 e8 \7 C+ Y6 n
- }" |. `1 z1 h* c o5 v/ e
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- int main(), Y. o$ J4 F7 i1 A% V7 }
- {
x+ Q- l; I2 G# D+ k3 x6 L* L) G/ t - char c;' Y* W* Q/ K' o1 C% Q9 F
- int i, macs[6];* l3 j( w' @1 c: O4 V9 ]
- unsigned char mac[6];
3 f( S* a2 D9 R9 T+ R0 e' d - unsigned char stbid[256];' U. H9 U* ?9 N3 g/ u, A9 h" m
- # \' B/ j* j4 o2 y" l& z ?
- if (readparam(mac, stbid) < 0)' Q! g/ ^& w3 c4 b N4 d: @
- return 1;
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- printf("Current parameters: \n");
9 t9 q% A5 c+ | - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: r! `8 c' d F+ k) }& V1 H& b
- printf(" STBID: %s\n", stbid);& z7 W* O* H7 j! N% m" V4 p7 s: v
-
6 O* K' g9 |" \) o2 v" v# c0 \ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");3 r+ _8 h, J! W$ }4 w/ T
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
/ o* T+ k% D) z. k5 P' @) [ - printf("Input MAC error\n");
( p' T) C$ w$ q& ` - return 1;& m/ `3 ]3 R$ E2 t" M) f" M
- }+ |4 E; J6 m% ^: U- i
- for (i=0; i<6; i++)mac[i] = macs[i];
1 O, I# T, |. \6 ~/ ?, q - printf("\nPlease input new STBID: ");6 V4 B7 |9 \! E3 G! y& s3 s4 ~% {
- scanf("%s", stbid);
3 O; p0 t6 ~7 [$ D. I a/ e - if (strlen(stbid) != 18) {" B* K2 r4 E2 {7 w# l4 F! S
- printf("Invalid stbid\n");' { U9 @! V% ~; ^+ Q" E! t
- return 1;
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- printf("\nNew parameters: \n");9 T8 B5 e4 L* T8 G0 ~1 t
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# I! I6 y, I. \1 O
- printf(" STBID: %s\n", stbid);5 e. |5 o% f- y, s0 {0 I
- * t4 {, c5 \2 f( @
- printf("\nDo you want to change paramemters? (y/N) ");# I/ A2 E7 a2 p; V# a6 l
- for (;;) {$ y% C% t& G- v8 h2 X
- c = getchar();
5 q# |5 \" R. t4 n" L - if (c == 'y' || c == 'Y')
J- `& e3 ~$ C+ _" [* M - break;+ h& W+ R% q! w5 v
- if (c == 'n' || c == 'N') {
% [% @! _" b X" Y - printf("\nAborted.\n");
8 i0 |7 [% A8 v' r8 J- Z - return 1;& ?" G" ?' n; |- W" ~
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- }
* g) g, T1 S. `9 U) e0 U - if (writeparam(mac, stbid) == 0) ) D- Y7 I1 Y3 G8 `" E5 ^* o
- printf("Parameters changed.\n");
0 {# m, H# T( }. `* B- U6 ? - / G& h% B% O9 r& M4 }
- return 0;- u2 ?' ]. I R* v& t# g# S
- }
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