本帖最后由 0522 于 2012-3-21 23:04 编辑 + h+ V% g, D& {/ k
5 y5 A6 h- m0 n, j% _+ \
修改的代码早有了。到今天不会编译。
' _. F6 l7 |: f$ m* l需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
$ o; z d6 H8 \' F; _ - #include <malloc.h>
; U( { |: J7 i" x - #include <sys/types.h>
0 K2 Q1 r) a) \/ J( C1 M - #include <sys/stat.h>6 @) _9 e4 K" \% z( A3 D
- #include <sys/ioctl.h>5 W9 s- Z3 P+ w4 p- \" G0 E
- #include <stdio.h>
K" m' O0 \* e9 B - #include <string.h>0 p5 r. t: _* F0 v7 m
- " h( r- X) j6 e! `: e) N
- typedef struct {* L& w& C2 E4 l4 {+ i
- unsigned int e2prom_cmd_sub_addr;
8 S4 P1 s2 W8 r5 P M - unsigned int sub_addr_count;
: a* j0 Y. r- g7 j' g - unsigned char* e2prom_cmd_data;
! u/ k9 y1 H5 s# A# z% A - unsigned int data_count;. `& b" m( O" r1 ^" ], ]" h
- } e2prom_s_cmd;6 v* Z( K9 R s- w9 A# M, i- o8 \" d0 x
. Z1 t/ R* K! q! D7 m9 B- #define E2PROM_CMD_READ 1
1 y$ O/ }, o' @) N - #define E2PROM_CMD_WRITE 28 q7 q. r% n" _, P/ \ T% U
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 \) e# ?1 ^$ Z B4 Q* C$ }% i/ Y& J( k
/ U* y2 y2 z# i1 h7 f% L$ A5 z- static int readparam(unsigned char *mac, unsigned char *stbid)$ E' c ^$ [: C
- {
" _- _; L6 m( ~3 f/ J8 |; ~) @. j& j - int fd, ret;9 r+ V3 H. b/ U$ [! G
- e2prom_s_cmd arg;. t; M8 j t0 ^8 i. r& Y, x" K
- unsigned char buf[0x18];1 Z3 e& f: d N5 U
- 8 g) Q* O h5 u' W! K% |7 b
- fd = open(E2PROM_DEVICE, O_RDWR);) G( M& w4 I3 F- Q" n
- if (fd < 0) {
4 D9 O# ~8 e. F9 `* r - printf("Device %s open error.\n", E2PROM_DEVICE);
0 [( G& u0 M# m- O( M$ d - return -1;
7 F0 O' L* u/ f% t$ K q; y" M - }
$ ~; X( T T; o; v2 Q( q - arg.sub_addr_count = 2;: R$ L5 i$ y' ~) B$ c
- arg.data_count = 0x18;
. ^, Q! K/ T0 q4 { - arg.e2prom_cmd_sub_addr = 0x290;' U. r% S, O8 T0 P/ [2 H( o
- arg.e2prom_cmd_data = buf;8 e& U% ?. [& U+ I: t
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);! _0 Y ?8 p6 N4 u
- if (ret != 0) {
}' |6 `5 K% ^1 `- H - printf("Device %s read error.\n", E2PROM_DEVICE);
) }+ t+ @+ y6 U. @; P+ X - return -1;" A& E/ C4 p9 e) M8 F
- }
% i: P0 v% j2 ]* ] - memcpy(mac, buf, 6);9 k+ j7 t, ^! |+ [/ i
- memcpy(stbid, &buf[6], 18);
$ e: q/ {' x' b$ t2 z: S. I5 b6 N - stbid[18] = '\0'; f, J) `8 R7 T5 Y% `# f# G
) p6 m$ {+ g/ T$ I3 n4 m& B- return 0;
% i- c7 o% m$ t# T) i( h - }
( Y; V8 }6 R! |( w3 G7 i - 2 ~3 D* G8 G2 p! e
- static int writeparam(unsigned char *mac, unsigned char *stbid)
6 a" E( A: t8 P7 T* T: c - {
8 f) ]) a# Q4 B; P6 ` - int fd, ret;6 j/ r3 A2 t% |' u' O
- e2prom_s_cmd arg;, e+ p# S0 s D, I0 Q2 t
- unsigned char buf[0x18];
( \) q- Q/ b5 o) P( J, N( ?
! R% A5 P# y+ @9 F$ Z& z- memcpy(buf, mac, 6);
7 \: T% Z1 t8 t* s# R: j: _4 d8 X - memcpy(&buf[6], stbid, 18);
6 u' {2 A' @! x( G3 s - fd = open(E2PROM_DEVICE, O_RDWR);
4 V( f! _2 E2 T3 } - if (fd < 0) {
7 S4 X4 X; F9 }- P - printf("Device %s open error.\n", E2PROM_DEVICE);4 R( H% z1 j" T/ q1 w
- return -1;
2 e0 j! D. B$ w" d - }6 g, Z; @, y( \+ }- ]
- arg.sub_addr_count = 2;
0 @1 a$ T1 \3 t1 z! |$ X - arg.data_count = 0x18;/ H# \1 l4 ` E2 l6 ?: K8 `' @
- arg.e2prom_cmd_sub_addr = 0x290;7 m0 }2 E K- w' d! P7 Q8 v
- arg.e2prom_cmd_data = buf;
& ?6 H4 _" @ i0 {0 P7 {& z - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);8 q1 I' ~4 L5 Y; u
- if (ret != 0) {1 @1 u+ T" O9 r
- printf("Device %s write error.\n", E2PROM_DEVICE);
4 U4 | n- k. }- Y9 g6 s0 w - return -1;9 P' ^' ~- R4 X
- }# s7 i2 ?+ N' [
3 c8 W) O% U F1 u* z- return 0;6 i0 T) ~0 U5 @- \, u+ |" v. G
- }
5 X4 h7 P5 |& ?( B6 ~0 A
Y6 Y; h/ F' s. Y9 z- int main()8 @4 M; y" M9 r8 k c
- {
7 r4 I# E y* f! i1 g- t: h2 y - char c;: Y' u5 v# D; @
- int i, macs[6];
8 B6 l4 A3 Q) Y" o, K! z - unsigned char mac[6];) e& c$ P9 }) j( j$ R! N
- unsigned char stbid[256];
; j" U, T6 k3 `) c4 ]& O: H* a& r* Z
# K. O/ ~) t$ h* y2 x5 t- if (readparam(mac, stbid) < 0)
n7 R9 @. K7 R0 F7 ~0 R3 ~2 r: c: L - return 1;" D) n; j, J/ g4 W% J
+ s4 W1 f8 B: B- printf("Current parameters: \n");
" |/ G1 B* U Q7 j) n: t; E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- O/ q6 {& ?, c/ C! E
- printf(" STBID: %s\n", stbid);
% h6 ^) C4 w8 _4 P# I - ' ]5 {$ ?! ]" V/ |3 I2 S2 d
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, S. e* x) P! J5 ^' H, d& F$ z# s - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. n6 o" P: l( D+ Y4 J
- printf("Input MAC error\n");* y1 o8 k! O1 ~" l
- return 1;) ^, H' h% @- l5 Z2 H
- }
, v& X2 ~9 P& X9 ]+ |( m# R7 n# e - for (i=0; i<6; i++)mac[i] = macs[i];
A9 m$ C7 G% x- g - printf("\nPlease input new STBID: ");& q% ^' }: V! L9 s- Q: h
- scanf("%s", stbid);7 U6 n" L0 g( L! @# d" w( e$ m- j
- if (strlen(stbid) != 18) {/ Y, l9 w, y7 x& {0 H8 ?( o4 r6 X" {
- printf("Invalid stbid\n");
0 A/ w3 u8 O0 T& H* q - return 1;
" _, v5 H7 \& `0 ]- k$ o7 A" l - }6 C6 x5 W4 e7 ^! [
- printf("\nNew parameters: \n");
; _, J5 h( u8 a1 H- y5 s; b - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, E. i( Q# V( N* r4 _) |
- printf(" STBID: %s\n", stbid);
% _8 M4 E' l6 R" d
6 o6 N- j4 a3 ?/ V( R- printf("\nDo you want to change paramemters? (y/N) ");
4 E- n5 f+ X5 Y8 P9 l - for (;;) {
9 ]' h7 D# Y# \. V2 f( a) x8 t$ o - c = getchar();* q+ Q7 C7 y1 i' D
- if (c == 'y' || c == 'Y')( t3 i; k- X Q. a1 z$ d
- break;
' o# X6 y. J( S3 K - if (c == 'n' || c == 'N') {+ K3 Z& q8 C0 ?8 q1 i) L% \# y9 m% L
- printf("\nAborted.\n");
! w1 e5 r& o/ [! M - return 1;
0 ]/ J- p( C3 a' D8 {( |6 d- I - }
6 b8 z' x" J. q5 B: N% l, v1 h4 ~4 P - }# A; G( X5 G/ o% s# w" b
- if (writeparam(mac, stbid) == 0) ! r8 Q( _4 J& O2 l+ }
- printf("Parameters changed.\n");% c7 Y# |8 a1 y6 t" V( Z
- 7 x* A: a6 a P1 i) ?6 Y
- return 0;! c1 |9 K6 ~& v* h7 k$ N" ?9 I6 N
- }
复制代码 |