本帖最后由 0522 于 2012-3-21 23:04 编辑 1 K0 o% T$ c8 W# {
& m* H( C# R; l$ R Z0 g6 o修改的代码早有了。到今天不会编译。
0 T; ~ T4 d X `需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
. U* v! N/ }3 G5 t4 I. ? - #include <malloc.h>
2 Q" k4 y$ S/ m" a) ?' F- i - #include <sys/types.h>
5 t2 H' u2 t, \4 Z - #include <sys/stat.h>
- j8 j2 _8 c! | - #include <sys/ioctl.h>* ?) q+ c2 [. P9 d3 S9 Z( R) _
- #include <stdio.h>
& ~" z3 W' y# ~2 _ - #include <string.h>$ ^% g% a6 R) ~
& |9 ]/ h3 |* ~- typedef struct {; W D% T1 l& D2 P, f* V
- unsigned int e2prom_cmd_sub_addr;
1 j4 g. D; g2 O! B% L - unsigned int sub_addr_count;& n) m. U! ]/ a& r. |
- unsigned char* e2prom_cmd_data;
4 Y: q8 r1 n2 k! _+ D8 m; L - unsigned int data_count;, |0 J U9 P$ H* }: J! e9 ?
- } e2prom_s_cmd;- Q2 d1 Z* m# e# _
1 ?' |! J6 u! ]& `) X6 p( p- #define E2PROM_CMD_READ 1
; K5 A/ Q" f' p9 u' ]3 k Z% e' Y! w - #define E2PROM_CMD_WRITE 2
, y+ O. G5 M$ c2 y - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
4 j* e+ N0 m }& ~
* ]- R5 M1 V% L3 ~3 K C# X o- static int readparam(unsigned char *mac, unsigned char *stbid)
6 O# }" c6 U! P- Y A! P - {6 ^. s/ s# ] O. `9 i) {
- int fd, ret;* I7 m! u7 [* Q( t
- e2prom_s_cmd arg;
e+ S, z0 E S7 ]. R - unsigned char buf[0x18];
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; O2 J5 @" ]/ g- fd = open(E2PROM_DEVICE, O_RDWR);" R" s& [7 W/ R: }
- if (fd < 0) {- q3 }; f) k2 r
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 M4 K6 x" g9 H8 l - return -1;, d( k& @$ B l# _4 u7 X# A; Q
- }) d& q% U' X: M% I2 F( ]
- arg.sub_addr_count = 2;
! w) [" [, e6 | l. h+ z0 y$ L- T - arg.data_count = 0x18;
1 `1 p" ~. \2 B# E. }0 J - arg.e2prom_cmd_sub_addr = 0x290;
0 O/ O5 ^3 n8 f( N# K- v5 v- O - arg.e2prom_cmd_data = buf;! y' ?" V0 r: O3 v" F2 {4 p
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
( `1 X, k9 d! ~- Z* j& ^- A - if (ret != 0) {5 Q4 i7 e, w; y: o( H3 z4 l
- printf("Device %s read error.\n", E2PROM_DEVICE);& o: @ Y- o1 s4 D
- return -1;; k; w0 r' w- Y
- }4 J% b* Y4 g3 E4 R- i# p2 a/ M5 R t& [
- memcpy(mac, buf, 6);" g7 a( M# z, B
- memcpy(stbid, &buf[6], 18);
1 i+ Q5 i: m; @& l6 j" E. a* @0 H6 h. @! b - stbid[18] = '\0';
: o' y$ E. a: O4 ?! ]( s8 s
( z" A c( e6 U7 u9 Z- return 0;
3 z4 p8 A& |9 i+ ^! o - }
+ g7 a. k1 E1 V0 ~6 m! @5 } E - 0 R- c0 L1 }& e! z. R
- static int writeparam(unsigned char *mac, unsigned char *stbid)/ f. a5 W3 n0 i4 L8 s) R; l! G4 }: K
- {- b/ i1 @0 `7 R1 |! ?
- int fd, ret;
5 m% h7 j6 F" n% K8 |2 o: [ - e2prom_s_cmd arg;
! M4 o$ M9 Y9 P - unsigned char buf[0x18];; B5 |0 o3 I+ ]! k
- . }; M+ M" H7 g/ n. W
- memcpy(buf, mac, 6);5 H' z% F; x2 A( g( K4 K% O. c* \
- memcpy(&buf[6], stbid, 18);, J; e' Y+ J: `) o8 W G0 Z
- fd = open(E2PROM_DEVICE, O_RDWR);4 [8 t2 I3 L$ b- B2 O) X
- if (fd < 0) {
) H( t7 A k6 H, n( a - printf("Device %s open error.\n", E2PROM_DEVICE);' {6 c5 c' \2 x# a+ z
- return -1;
/ |9 y W- U9 _8 a" m - }( q) C* j# I9 d# Z* [3 W! l) n! C6 _ H( R
- arg.sub_addr_count = 2;8 G' Z, M$ f e. ]; m
- arg.data_count = 0x18;+ f3 a$ ~. Q8 k6 r) Z
- arg.e2prom_cmd_sub_addr = 0x290;+ T( o$ {6 Y/ C, |8 i, A
- arg.e2prom_cmd_data = buf;3 p9 j, A5 l. k/ V7 [/ n
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);/ f8 N: ^* T* [. j& f! N
- if (ret != 0) {
4 @, x& I3 s) Z( N& s. ^2 N7 Q* { - printf("Device %s write error.\n", E2PROM_DEVICE);
( x- n4 L/ f) a+ {- O. G - return -1;/ w9 i7 \6 r9 \( e' T& l6 k7 N& g
- }
; \! \" G. G2 k# V: R, d: u
; v- i3 X; \" w2 n2 H! O- y, W0 l6 ]- return 0;
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- * I9 b/ [' A9 j- d& H1 _
- int main()
9 v6 _+ Q# i: ]' O! u8 e - {
! e( i- ~- i8 n: a9 X/ r2 ?/ C - char c;& Y7 s4 e) V) m
- int i, macs[6];
- P+ H8 I' r' a1 n3 J6 Z5 ~ - unsigned char mac[6];3 X' \7 a: |$ m$ o% k) l7 }; h
- unsigned char stbid[256];1 B# V6 {& B. A/ G
/ a; }6 d# s( A: B* t, K$ t- if (readparam(mac, stbid) < 0)
3 y6 z2 c' } [" n - return 1;4 C. x! X; [+ F# ` M/ P+ T$ ~6 K7 k9 o
- ' q. C: {' Z( G$ @1 f# n
- printf("Current parameters: \n");
; Y6 d7 ?. m6 g - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 W0 U. s3 n! p7 _3 N - printf(" STBID: %s\n", stbid);8 b5 U, \6 r5 O5 h8 @2 X/ k- g; S; |
-
$ X% @5 w5 p$ ?1 @7 c. C4 f6 `$ ~ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
; ?0 }+ G, f3 p8 j: { - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
" t* T1 X! a9 }$ N6 f- O! S - printf("Input MAC error\n");3 ?( |$ q- d" _( t S8 W
- return 1;
: c6 S; J8 ~, X& C7 s* t - }
( B4 r' x& l+ b5 `7 n+ u - for (i=0; i<6; i++)mac[i] = macs[i];
+ Z/ \" T3 \6 r7 @: p2 e - printf("\nPlease input new STBID: ");
( L# F, _1 a7 Y% V& u# K - scanf("%s", stbid);
G& D6 m5 D) @5 ?' x$ B7 p& y8 y - if (strlen(stbid) != 18) {: h5 M3 P1 G( \
- printf("Invalid stbid\n");8 T) n" m$ ?0 ~3 m( P
- return 1;/ z- n* E+ R& G ^. X
- }% X4 B, F$ p: o* o) L t! ^& o; M
- printf("\nNew parameters: \n");4 D6 w/ @6 P; R
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ `& |. D+ g" q1 k8 T4 b4 r
- printf(" STBID: %s\n", stbid);4 a/ h# r a* d3 _
' P* a) S" f4 m: Z$ }& i- printf("\nDo you want to change paramemters? (y/N) "); ^: v8 d# S6 a! W& k6 Y% ?
- for (;;) {4 k, ]$ n* [% n; L. b/ e
- c = getchar();$ z& K8 o2 ~" c5 l2 P8 L% x
- if (c == 'y' || c == 'Y')
7 k5 U1 r4 R& {! q6 n4 d j2 } - break;
% e5 p) [0 i) p! c o - if (c == 'n' || c == 'N') {
n( N2 U- ]% [ M - printf("\nAborted.\n");
9 @( v/ g. j( j: D; r" Z - return 1;
. t. |2 d. E4 U5 l7 Q+ T4 u, d - }
# P# P* X) n% k: q - }
% Y% A0 j! o/ W% g6 i0 E. P+ [: C - if (writeparam(mac, stbid) == 0) ! @& i0 z1 l5 U/ X
- printf("Parameters changed.\n");- {: n# E9 T$ ?1 }) W' H I
- 7 ^' E @% s1 z, _
- return 0;+ Z: l1 d7 `/ x/ @0 F
- }
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