本帖最后由 0522 于 2012-3-21 23:04 编辑 4 g/ H `+ X. S1 H# A1 \
& j6 J9 [3 E' S; ]# y修改的代码早有了。到今天不会编译。8 c* N) Y" J3 r* x* g0 p. D
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: W7 B; Q! r0 x/ D4 ~1 ^
- #include <malloc.h>
: D6 H7 s, k ? - #include <sys/types.h>
2 D4 }( v/ Y, J6 R, z! y - #include <sys/stat.h>
8 _% Z) {4 [* |% P# v* Z - #include <sys/ioctl.h>8 Z _/ t! s4 k, V! U8 M
- #include <stdio.h>
8 [% q2 x+ ]3 w C. r& U: p1 N - #include <string.h>
, E4 A" K3 _, C4 z6 o- K$ x
- [0 K3 X! z$ L. Z* X! S- typedef struct {
8 ~. E" `& l* C4 @5 ` - unsigned int e2prom_cmd_sub_addr;
2 f: X2 f% f5 @ - unsigned int sub_addr_count;
! R; O C; }6 {/ F7 }+ L2 Z* ^ - unsigned char* e2prom_cmd_data;; s2 ~1 v# p% |: i( T
- unsigned int data_count;
' E: N, a& \- o - } e2prom_s_cmd;+ V1 R, b+ S- S' r
" S, H' t1 O4 f8 E& H3 q0 L& F- #define E2PROM_CMD_READ 1' O/ V7 m& ]" ^+ x! B4 S" B, i
- #define E2PROM_CMD_WRITE 2
, i' ]2 t6 H/ @9 K: x. T% k* Z - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" ^8 g F0 y) N- n: a4 j
- 7 w( L" P4 c8 n5 E; @' X
- static int readparam(unsigned char *mac, unsigned char *stbid)
) M* J1 E3 V' u3 X2 m! x! p1 U- J% }. v - {& s0 n% P9 b& r5 `
- int fd, ret;
, k! p# q3 z2 p - e2prom_s_cmd arg;
D" s ]8 P$ {9 ] - unsigned char buf[0x18];
) w7 ~5 O6 o/ H+ m2 a& P
8 {7 ]0 i+ T0 B; ?- fd = open(E2PROM_DEVICE, O_RDWR);
7 H" l3 Z/ W$ y3 ^& r$ W8 x2 D - if (fd < 0) {# R% v) f5 p- t: i& ?9 J
- printf("Device %s open error.\n", E2PROM_DEVICE);
0 p4 K/ |9 H/ G$ e - return -1;' {0 D( J7 N% b* K# M
- }: x. q3 \$ X9 w0 z: E$ |) Y
- arg.sub_addr_count = 2;
- ?- A+ d7 G1 e - arg.data_count = 0x18;' q* j6 c/ q8 j) G" ], T
- arg.e2prom_cmd_sub_addr = 0x290;
7 w( R2 {! M& Q1 K; M - arg.e2prom_cmd_data = buf;0 p+ Y3 J1 u' U1 B
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);6 Q5 w. b3 x0 f2 j! {( u
- if (ret != 0) {
, l+ B$ I2 h& j$ @$ [5 J - printf("Device %s read error.\n", E2PROM_DEVICE);& V0 m( ~& F$ H5 a) {, G1 M4 I1 U
- return -1;
) M" G& P2 n' X1 ~! ~. p - }3 d( H/ e/ z! K8 N; `# j
- memcpy(mac, buf, 6);2 k7 i, i$ k9 j# U7 Q. `4 H
- memcpy(stbid, &buf[6], 18);6 }/ f7 h% N0 S4 q
- stbid[18] = '\0';
1 v* y5 c, d3 N1 y/ S* A k
: z* P' _) b" h6 z. u- return 0;
# d/ E9 R8 I0 m - }0 e" y/ B9 |1 v0 u2 V0 @
- 1 x4 |* R' X r5 ^! N
- static int writeparam(unsigned char *mac, unsigned char *stbid)' r' f) A: I2 k* b2 a* p
- {
8 q( Z6 n( Q( G, b- ]. Y* C - int fd, ret;) d" R& x! t# ~: S5 Q6 w( k
- e2prom_s_cmd arg;
1 o; p* x; W* K/ g' Q: p$ ] - unsigned char buf[0x18];
. v4 {) k; ?& c
0 ~$ ^- F9 }6 V3 T% v0 V- d- memcpy(buf, mac, 6);: N; L) l1 i) q8 h5 @! C- v* g
- memcpy(&buf[6], stbid, 18);9 J2 F+ h( L! j/ f9 V& M* W9 _4 k
- fd = open(E2PROM_DEVICE, O_RDWR);
7 Y. t, Z' I, \3 v) p8 q3 s+ x - if (fd < 0) {2 f! r! K9 D0 e+ u5 v
- printf("Device %s open error.\n", E2PROM_DEVICE);# \+ g) r; o* i7 H- T+ j- M
- return -1;/ ~$ _. y& Z6 j/ k
- }
. ?4 u) ], ?# V2 Q, v - arg.sub_addr_count = 2;
6 t- u3 Y; Z4 x/ G$ V - arg.data_count = 0x18;( t k3 j7 j5 h; p% r% a- o
- arg.e2prom_cmd_sub_addr = 0x290;
2 l0 Z4 r/ ]* ?, s& {" q - arg.e2prom_cmd_data = buf;
7 \$ x% P6 H. ^4 R# e" g9 q" A - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);3 O; F% G, g/ X: Q h
- if (ret != 0) {
5 G4 X9 H5 p5 d - printf("Device %s write error.\n", E2PROM_DEVICE);+ z7 K/ n9 @ a) R0 H
- return -1;( M3 h2 v9 P& X1 n/ m$ Q
- }5 l; I) S2 j, {$ @! {6 t
) d2 f- h; G- u+ t- return 0;
1 w! ~% ~0 m. `# G) b2 U - }
) D4 J. q5 M: Y5 S5 V4 e
; m8 L8 M5 V( `2 [/ o& ~9 x% R- int main()% K, j/ o/ H( E! ^- ^! c
- {; J! Z5 L/ X: f7 u* S% ?
- char c;' u) |! m5 h I4 }
- int i, macs[6];( w" o9 w+ F% J- ]( ^& g3 y e5 a
- unsigned char mac[6];% y$ D: t. l5 y8 i
- unsigned char stbid[256];8 A/ i e N$ S, y7 e0 j, t
! F' P4 h5 o+ b- if (readparam(mac, stbid) < 0)1 G) d% `& V/ p
- return 1;
@& Y: _* z& S8 t
$ f- k( [9 c; Y; g" v+ X% E. I7 G& P- printf("Current parameters: \n");
2 ]6 x+ d; n2 ]9 m# I3 B8 M- P - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( ?5 R" [" t+ [ v. E! U - printf(" STBID: %s\n", stbid);
! f9 u' u% K* m) U3 m4 m' w - . G( z" G" J! e- z. x6 h8 A
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 v& p) i7 w+ z! d4 m1 A
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; J+ g% @+ M( O7 v0 j1 J
- printf("Input MAC error\n");
% R1 W! c& ^9 N; i( e - return 1;
0 ~2 M, n u; l - }
+ T6 [1 Y2 |* X. l& \& W$ t - for (i=0; i<6; i++)mac[i] = macs[i];6 @% W/ t4 Z4 @' d1 W& g+ h% y
- printf("\nPlease input new STBID: ");$ a% G1 C3 C \. D0 j+ ]
- scanf("%s", stbid);7 Z- v( R% B3 f
- if (strlen(stbid) != 18) {
C, \: U% b5 u* X! X$ }1 s8 _ - printf("Invalid stbid\n");
1 ~1 G( {- ^: V* \' b/ v- O: V6 e% m - return 1;# c. i! E0 z/ _2 J4 N
- }1 f1 j+ t) s( U4 O
- printf("\nNew parameters: \n");
. A) Z+ V1 Z& M. O) W - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ ^* s! l5 M" v9 y( ]4 v
- printf(" STBID: %s\n", stbid);
$ J3 T$ }: _4 j6 ^( ]# w: V9 r - , z$ R1 t& H% A: ]" g
- printf("\nDo you want to change paramemters? (y/N) ");
% ^, i5 K- J; k% Z; L. T8 B - for (;;) {0 a/ |& H) s7 _8 W) Z. O. E
- c = getchar();$ }' F; ~; z3 v* b2 }4 x3 Q5 e9 V
- if (c == 'y' || c == 'Y')
: Q' \+ L; M4 m3 u1 t5 q" {0 u' | - break;
" _* K5 j- R$ s& _5 D - if (c == 'n' || c == 'N') {) I8 S, W' h1 W. D. {' l/ m# X1 _
- printf("\nAborted.\n");3 h; B" f+ p4 i% a
- return 1;4 G. k) A- }0 Q8 l
- }3 [$ v5 f4 e! ?6 g
- }
1 m! J* M! x8 Y; B0 R2 D - if (writeparam(mac, stbid) == 0) $ c& D8 v) e: F1 V! B/ e' B$ o
- printf("Parameters changed.\n");
9 C" B8 _) \5 P
& d5 g: g/ _! t- return 0;
7 N, O% ~+ l9 @" Y/ E - }
复制代码 |