本帖最后由 0522 于 2012-3-21 23:04 编辑
: C0 `$ G5 Q+ @' E& o" r9 j. q+ C% M; G6 Z
修改的代码早有了。到今天不会编译。5 x7 p N$ C4 j
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" e' M+ ^4 N2 f% ~& j* r9 L, x - #include <malloc.h>" Z" l; `% L4 J+ L
- #include <sys/types.h>
q; g8 p$ \6 w' g! ]/ q7 s; x - #include <sys/stat.h>, X' K& M' p2 M6 `6 W& ?
- #include <sys/ioctl.h>+ h* w# w& c5 S; S
- #include <stdio.h>
4 T( n( E7 C+ \0 g L - #include <string.h>
/ r% S! D6 L) ?7 U6 w h
: q! S0 Y d# s% n1 ^+ J! Z- typedef struct {3 T2 l5 b0 r7 v* j4 p
- unsigned int e2prom_cmd_sub_addr;
+ p* s5 Y* ?+ _6 u; w* r - unsigned int sub_addr_count;3 ^- ^" k8 [6 H) \) Q: O7 }: C' G
- unsigned char* e2prom_cmd_data;5 u+ k1 _% C! w3 j- B
- unsigned int data_count;; N" z9 K+ q* s3 ]+ h
- } e2prom_s_cmd;; n+ Z2 b9 ^" g+ ^$ Z0 W
- 2 [& q. P7 F I& u2 q2 m9 B3 F
- #define E2PROM_CMD_READ 1* G) }0 F( m! S& I. B1 {% H8 ~9 w
- #define E2PROM_CMD_WRITE 2! s+ b; a: s; Q
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
/ [3 ~( w4 \' E* B7 p W0 i - & c- F7 z2 N0 u; P' g: {
- static int readparam(unsigned char *mac, unsigned char *stbid)
$ [) t3 }5 W1 {- g1 a% M - {: X7 h* w0 F! b/ f; q
- int fd, ret;: `; u% a: V( v! w
- e2prom_s_cmd arg;/ s! y I7 u! b/ b1 u7 X
- unsigned char buf[0x18];
) i7 I/ u8 p( y! n' x - 3 |1 Q1 j8 Z9 m0 i" T$ l5 H: g
- fd = open(E2PROM_DEVICE, O_RDWR);
; B& R4 N+ t, t - if (fd < 0) {1 G: s: l4 W3 J0 P) E6 j
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 I# m4 R9 W% x2 N+ K! H% Z - return -1;
$ `4 U9 \2 {& T _0 I/ W - }# B, P8 O; }$ D7 P* w3 r
- arg.sub_addr_count = 2;& [. P5 r+ }2 V, z- S( v6 a: K w
- arg.data_count = 0x18;
. r! w, F$ p/ Y) x6 X - arg.e2prom_cmd_sub_addr = 0x290;! h$ X6 `. M' ]1 R" `' u3 m0 G
- arg.e2prom_cmd_data = buf;
1 U# S+ G- H5 b& }) Q# i - ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ P( Z0 p% e/ V$ ]9 c
- if (ret != 0) {3 p: j O0 x0 K2 E; ?2 X. H
- printf("Device %s read error.\n", E2PROM_DEVICE);0 K/ \/ D& j& W7 Z( e- `
- return -1;
; j; e7 u! w. ^( E - }
( b, C! R. ~0 k& n3 k2 j - memcpy(mac, buf, 6);/ \+ B; |. @, H' g* d7 ~
- memcpy(stbid, &buf[6], 18);
+ e; x' B7 p: x+ Z3 Y - stbid[18] = '\0';9 T4 a7 @" ]! N: V: R) ~, n$ l# n
- @! C) o2 b8 |. M$ a- return 0;- j% c8 @6 j- D5 Y8 v
- }( H( z: G* A2 B% S% i: `! j6 ^1 ]
$ L* R: ^0 |, k9 b( s$ r- static int writeparam(unsigned char *mac, unsigned char *stbid)
5 i9 \8 k+ @1 x - {1 v$ q t9 d* _) q0 Q7 p1 t
- int fd, ret;
; g# {; ?* ^& H9 N4 L! _ - e2prom_s_cmd arg;* l9 } p& H& u: H2 u! i
- unsigned char buf[0x18];
! {$ @: E0 }. C5 J: w$ Y! h
2 A0 O/ w; n5 q" n* O6 M7 j4 l- memcpy(buf, mac, 6);7 G. J: C! x l n3 N5 r" @
- memcpy(&buf[6], stbid, 18);8 c: F, M3 Z# }
- fd = open(E2PROM_DEVICE, O_RDWR);
" @6 c M7 S# m9 z - if (fd < 0) {9 u5 X9 d; p* T* A8 C! h
- printf("Device %s open error.\n", E2PROM_DEVICE);. ?+ w3 o4 M0 Q* K4 m
- return -1;
, G2 W8 X! @! A+ ?2 S* ? - }
& ^9 ]. F- Q! X' ~* j0 e2 r P - arg.sub_addr_count = 2;
0 x2 f. d5 c2 e( ~ - arg.data_count = 0x18;+ n6 h' y* Q5 d& D
- arg.e2prom_cmd_sub_addr = 0x290;) @5 i( s1 q7 a
- arg.e2prom_cmd_data = buf;
* \# ~9 q- y2 X2 L6 m) G1 u - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ L/ ]4 `' J" |5 F4 F - if (ret != 0) {4 v# w3 c! J8 I' X8 l' e e: @
- printf("Device %s write error.\n", E2PROM_DEVICE);
" k* R. ^. h; s: L7 C5 Z - return -1;
" E) m8 c' ^6 F: u& r$ ^ - }
6 F U3 u" K4 I+ G0 l - 7 K8 n; V9 z9 H' C
- return 0;
' c" A; H( @ _3 B5 Y - }
/ e4 N* x j, o/ C8 Y$ n* c - ; ?1 R- T! w! k( |# T, P
- int main()
) o* R1 h6 |5 P! ^, N) y8 S7 E - {
- p- D6 Z# i- i - char c; K) n" Z; H7 p2 Z
- int i, macs[6];& Y% w1 v5 Z& j5 U: Z
- unsigned char mac[6];
2 }' c( D+ I: {) U" h; L - unsigned char stbid[256];0 x2 |$ t9 \$ X$ m
' c& R" E7 I% n$ _% d* r" c! I6 ^- if (readparam(mac, stbid) < 0)
; N3 C' @3 c2 T' o6 B3 y3 Y - return 1;& t1 ?$ H7 j5 Z$ K. o+ `( s7 }
- : q3 s( ~& T% Y' Y( m1 n
- printf("Current parameters: \n");
; [) G0 N1 X+ M" \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 v; e" y7 p0 z# v+ D8 n- b5 N - printf(" STBID: %s\n", stbid);
* a3 E& K+ F- Q$ k8 S" ~1 U Y -
- y( ~6 o, d8 Z - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: s- | w! P ?8 N - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! T' ?3 Q" {- z7 n5 b5 G" E
- printf("Input MAC error\n");. J1 l0 l5 x% L( U/ y2 E
- return 1;
+ w- s' p8 c0 o# _4 E ? - }
! a1 c+ T' A5 m$ s! ~+ L - for (i=0; i<6; i++)mac[i] = macs[i];
) c- `5 x- s* W - printf("\nPlease input new STBID: ");
9 W8 ~7 }( e6 w4 z6 `, f - scanf("%s", stbid);
& a/ ]* F% F3 ^3 x2 n - if (strlen(stbid) != 18) {: y/ @( d* B% F0 P
- printf("Invalid stbid\n");- e( Q! E! u8 I
- return 1;
# }2 O; i: X3 n4 r - }
$ F( d) X6 k" X0 n - printf("\nNew parameters: \n");
1 t2 C0 z6 ]$ e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ [8 w7 B! T) ]1 [. Y
- printf(" STBID: %s\n", stbid);
+ A1 [9 K! S+ }; r
2 U4 _/ x, h/ u4 a- F4 g0 ?- printf("\nDo you want to change paramemters? (y/N) ");, w$ d6 ?. E9 L q4 E3 T) R, e, B1 p) v
- for (;;) {
8 i5 q/ S* c& s& s9 U - c = getchar();/ s! q7 R% d0 W; @5 x) ~& H8 K
- if (c == 'y' || c == 'Y')
S2 L' D5 G0 k) T) X - break;3 ~4 c4 k! L8 g/ s1 J2 W, e
- if (c == 'n' || c == 'N') {
G6 u& j: S% O - printf("\nAborted.\n");
9 l N3 b6 i0 o- P& K2 ?' k6 Y - return 1;
" O5 h. Q* O+ O8 O- F2 F: z; g - }
2 z( {- |! c' d+ L - }
! d9 |2 Q2 C% P" ` - if (writeparam(mac, stbid) == 0) 2 |9 N) j; @7 p3 j2 I
- printf("Parameters changed.\n");
$ y9 Q, L3 v# p$ j5 r, o! s- R
$ p3 d$ @5 G. f1 S9 S- return 0;1 i1 ^& f9 Y8 Y" @+ B9 a
- }
复制代码 |