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。7 @1 v& H+ q# O. F+ b* H. v+ e5 ~
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& p/ G6 R3 @8 y8 l4 w% s
- #include <malloc.h>, d# p8 R' f! k* j
- #include <sys/types.h>1 z, @4 ~& \. [% [6 L/ q' R, X
- #include <sys/stat.h>+ m# {5 t4 l5 O% F
- #include <sys/ioctl.h>
# u& Z) Y7 e1 b) c- y& j1 h - #include <stdio.h>
( e8 `4 F) ? ~ - #include <string.h>
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; Z2 }8 _ z: Q9 z' |3 d# w- typedef struct {9 L3 ^) l* Y7 b/ o
- unsigned int e2prom_cmd_sub_addr;+ x" P5 \: i( r* m; }0 {$ }, F
- unsigned int sub_addr_count;
" K: n( C+ U3 Y! [ - unsigned char* e2prom_cmd_data;, m m, m$ W- ^6 v
- unsigned int data_count;4 z- N+ j' a* M* l& f8 D5 m7 W
- } e2prom_s_cmd; W' t' L3 N0 D# K& p* |2 \* }
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- #define E2PROM_CMD_READ 1" b5 s$ ^, l$ Z1 ]% |) r
- #define E2PROM_CMD_WRITE 2* _) I9 a( ?& h6 q% Q. _6 o( j
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;* @5 g" J& h: P" N" v
- e2prom_s_cmd arg;! m7 Y( h0 C" _, u! i. ~
- unsigned char buf[0x18];- Q" s( q( O, G) ~4 c
- 1 Z9 x+ _# n7 A
- fd = open(E2PROM_DEVICE, O_RDWR);- y! q, j( s1 R
- if (fd < 0) {: o. Q" k* L% ~1 K6 i
- printf("Device %s open error.\n", E2PROM_DEVICE);* k: a& |: q; Z. B
- return -1;6 @ y O1 F# ]& \
- }
, w' [+ l% D- A, @1 I7 {. ~ - arg.sub_addr_count = 2;7 o. k" V1 l# R; k8 M1 [: K+ H% M
- arg.data_count = 0x18;
: f3 a. L/ Z9 G( `4 ] - arg.e2prom_cmd_sub_addr = 0x290;2 o( M0 ?5 {- i% f0 J
- arg.e2prom_cmd_data = buf;
: b' O v3 f0 C* W& ?& p! Y! Q% I - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
! T& S# U; c. o2 g9 [" z1 r - if (ret != 0) {* U8 J+ d4 y/ i+ h" t- \
- printf("Device %s read error.\n", E2PROM_DEVICE);
' l3 u: q- U; F/ H- F9 F - return -1;
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- memcpy(mac, buf, 6);7 r# x( U3 h: k. Z
- memcpy(stbid, &buf[6], 18);) E8 y% F+ X: C
- stbid[18] = '\0';. a9 ]; b, P7 m9 e* f8 p2 G; R
- & R5 g) g; G- ^: g0 H
- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
+ e* \3 Y5 b9 [- r) |0 K2 W - {
5 Q; ~" [' o, I8 s - int fd, ret;
8 K+ [4 s; o/ v' V - e2prom_s_cmd arg;
4 d5 \2 l, m( V" e0 I - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);3 W+ p3 l; _ I
- memcpy(&buf[6], stbid, 18);2 B& u! ]$ a% T
- fd = open(E2PROM_DEVICE, O_RDWR);) b3 y8 G$ i, D! x' y- \
- if (fd < 0) {
& J% [ J# ?; C5 k( G- k - printf("Device %s open error.\n", E2PROM_DEVICE);
7 @# Y P! X! N7 q$ G: ?* P - return -1;
+ f* s5 p o# P& X' X6 a - }
" C% h7 J0 [) H! ` - arg.sub_addr_count = 2;, a* n3 X0 M5 N4 C; U
- arg.data_count = 0x18;
1 [- u/ }% v6 \8 y - arg.e2prom_cmd_sub_addr = 0x290;
7 x3 H! m6 ^1 c7 M - arg.e2prom_cmd_data = buf;9 S" x% @ I, F$ M0 A: X
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 D+ ^- l+ V+ Y+ I - if (ret != 0) {0 q: G3 L3 L, v$ \2 B
- printf("Device %s write error.\n", E2PROM_DEVICE);
* P; C" r2 m; P3 U% y- c - return -1;
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- return 0; D5 J: y, E1 N. d& Q0 R
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& t/ z( Y6 A9 f6 P6 F3 J7 f- int main(). k; c2 p6 E; X) s7 N6 y
- {
1 Q7 P4 X/ D6 s5 u5 z8 M - char c;
. w; I: h% _/ R3 F' L( a - int i, macs[6];4 d) Y9 j" m6 `" f1 M x- Q
- unsigned char mac[6];
; b3 w% W" L3 x/ e4 T! {: x - unsigned char stbid[256];# V9 }+ _) K% `- W1 h
$ I. H* n' m1 A( {) ]- if (readparam(mac, stbid) < 0)
+ [! E, j1 k3 V* L5 w - return 1;
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- printf("Current parameters: \n");
j+ U6 }; c0 _* j# X7 A - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% A: w7 Y: ?5 W$ L/ v - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) x& v) ?3 v) [% H) G" U - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& {) x7 i+ I9 e! w7 u: u - printf("Input MAC error\n");* e: P' c" m) S/ |2 w
- return 1;
6 @9 `! n1 P" j - }
( W5 T; p6 ~ z4 \! g$ u( Q - for (i=0; i<6; i++)mac[i] = macs[i];% X: |" O4 z w5 f2 T
- printf("\nPlease input new STBID: ");* h6 {$ h& g6 J" h, q' a# R* v* X
- scanf("%s", stbid);
. Q8 J, b5 ^) X - if (strlen(stbid) != 18) {
9 A* F5 k" V$ f' H: g - printf("Invalid stbid\n");6 d F' |; \. d2 x9 s1 L
- return 1;8 ~# x/ t; H- U2 x9 p4 o
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- printf("\nNew parameters: \n");2 j& q! {# z; z: H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" T4 M! f+ _; l! S" i
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");1 v7 ^' t K/ h' E5 `/ i+ W
- for (;;) {
+ E: L. G! A5 Z" ^9 e( e: y - c = getchar();8 J4 t; |9 S q' [% g8 u" X
- if (c == 'y' || c == 'Y')
! x) P8 |$ z! b# k3 d - break;
9 D1 W; f8 ?8 P - if (c == 'n' || c == 'N') {# ]9 F( a2 }" i8 i& o5 _
- printf("\nAborted.\n");7 k1 |, m2 Q6 p( U
- return 1;1 d0 \" M& c+ I3 d: K
- }
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- if (writeparam(mac, stbid) == 0) & p, g* E5 X3 F& u6 o) S7 o
- printf("Parameters changed.\n");
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1 k( H" [1 I7 ~" R" J+ f. M- return 0;
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