本帖最后由 0522 于 2012-3-21 23:04 编辑 / v! w+ s- v5 @3 g0 I1 c. O
* V& n0 U) {9 q修改的代码早有了。到今天不会编译。! j$ C) `4 `7 C+ f
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" i9 J) O; ]! J
- #include <malloc.h>
+ V+ f, ~% S$ C% u$ C% K - #include <sys/types.h>
. H6 ? r# ~" c# {$ j% h; x0 N0 i5 L: r9 d - #include <sys/stat.h>& j$ z# W1 m! w; w" W) J& r; |; ]
- #include <sys/ioctl.h>
; A3 M& Y" U8 W j% F! M - #include <stdio.h>
' b3 Y* H* l; [* H1 ^; K# ^. j - #include <string.h>
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% @" k' |% W9 R' U- typedef struct {4 U+ }/ K9 P! @, X) i8 Z3 j
- unsigned int e2prom_cmd_sub_addr;+ }. U* B) o* B3 w" z! s) V
- unsigned int sub_addr_count;
( Z! k1 @. X+ V- f( a- c* Y - unsigned char* e2prom_cmd_data;! X9 q- Y# E) q9 ~, P
- unsigned int data_count;$ \ s- W) }. a
- } e2prom_s_cmd;: f) O* w( f' I) u
- , s7 ^# L* u$ A% S- T2 z# @' X
- #define E2PROM_CMD_READ 1, S2 @5 s9 I' }5 e
- #define E2PROM_CMD_WRITE 2 W6 ]+ M/ G) v2 M: A
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' U: t/ r- C1 `3 ?% e; i8 O
- 7 Z; _- _; a3 n
- static int readparam(unsigned char *mac, unsigned char *stbid)
( v& _$ `& D; w6 m5 U- L - {
9 |0 F% d$ k/ [* N - int fd, ret;
" G2 E( s# @; R - e2prom_s_cmd arg;9 S$ S1 _* [( c
- unsigned char buf[0x18];8 ], D/ O- {9 k, i7 }
- ! ]5 W I1 }$ T/ o6 e1 z8 ~
- fd = open(E2PROM_DEVICE, O_RDWR);; B# Q- U1 x. F0 R$ T/ \- @5 _6 `; M
- if (fd < 0) {
% U/ R4 q2 V$ c. E9 i! P. i; w! ] - printf("Device %s open error.\n", E2PROM_DEVICE);+ Z3 b4 V" [) z3 E* v
- return -1;+ A/ }2 [+ c/ X# i. t( G
- }8 [! F0 X3 E/ s* e
- arg.sub_addr_count = 2;
( H/ L* M5 I% `) ` - arg.data_count = 0x18;
! h- B3 {/ S: Y$ p1 w4 c - arg.e2prom_cmd_sub_addr = 0x290;
& T. I0 o! X( ?2 z - arg.e2prom_cmd_data = buf;
2 J5 v4 M! }8 k, S& B; f! R - ret = ioctl(fd, E2PROM_CMD_READ, &arg);" }5 d- m1 r- N6 B
- if (ret != 0) {% P' z# M' T$ S! s
- printf("Device %s read error.\n", E2PROM_DEVICE);/ m3 ^$ t; x0 G. u
- return -1;
$ t2 N4 I1 _1 h2 s- M! w - }
" j0 j7 V# q3 ^ - memcpy(mac, buf, 6);
6 o7 \3 W7 l4 I9 `* b5 D - memcpy(stbid, &buf[6], 18);
: a7 D; M! k1 v! g$ h+ ^/ N - stbid[18] = '\0';6 G9 ^! s/ |4 v; q3 [. k
- # \3 z6 z+ @9 G% S
- return 0;
0 P8 L* O* J' g/ k/ x0 n8 {/ i/ e - }
+ m: Z j) H8 C
8 I3 u4 T3 g) W4 G- o- static int writeparam(unsigned char *mac, unsigned char *stbid)
# I! x" ?1 O( c5 n% Q' d& w - {! ]% K& c, c# C( Q
- int fd, ret;) Y! v# ]* o. ^0 X& p
- e2prom_s_cmd arg;0 H _1 n0 [6 @+ p9 E
- unsigned char buf[0x18];
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( q$ Q$ i' Y$ U- memcpy(buf, mac, 6);; J5 S2 d* m+ o. g/ |* j H
- memcpy(&buf[6], stbid, 18);
( q9 k" l; q. j4 L/ v - fd = open(E2PROM_DEVICE, O_RDWR);0 x' w5 `! F/ ]0 p, a. ~. F
- if (fd < 0) {
" {# w" F; [8 H2 e. F, ?$ x+ k0 K i - printf("Device %s open error.\n", E2PROM_DEVICE);& s; Q: F/ m& ^2 `6 q
- return -1;
- d* C) D T! \+ B+ I - }
; H( {2 W# w: M' L - arg.sub_addr_count = 2;
# i# h) _& K+ }7 B - arg.data_count = 0x18;
' R. ?$ X$ O. o* n - arg.e2prom_cmd_sub_addr = 0x290;
8 u: b' Q! P4 R% [4 z: M" J - arg.e2prom_cmd_data = buf;
( e& b# t$ w" p+ S' ]8 O - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
: v) v" [2 L+ }, V; G; s - if (ret != 0) {: M- f2 A$ D( K& R& o# ^7 h
- printf("Device %s write error.\n", E2PROM_DEVICE);
$ ~" _, g; P. E! Q - return -1;
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- ' l' ~) T* T7 a- m' @) n
- return 0;
- ?4 q7 P# o. F, t6 S - }9 W4 E1 k; p/ I1 [$ `6 R, C$ H
- ! o# ?, t/ S" h% I+ a3 ^ A
- int main()9 t( B/ v& l/ Q n6 P7 [$ X
- {6 I9 S5 y" `/ J* F5 Y
- char c;; c% A y$ m7 l7 U# ?: O1 q" F
- int i, macs[6];
1 K) x3 I. o' e - unsigned char mac[6];
. b! D: V0 |9 q9 c1 v# H2 O6 z( @ - unsigned char stbid[256];
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$ t6 i2 o' d0 j. B+ M; L- if (readparam(mac, stbid) < 0); M) m& k+ [- V" a/ P) O
- return 1;
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+ g# i, y5 R& ~8 @& P" w h- printf("Current parameters: \n");
! C% a5 p/ |; k* g- U - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
r G- ~7 A% W9 B4 N+ }8 \ - printf(" STBID: %s\n", stbid);0 Q* w9 {) c5 ~) a1 A" O
-
: O; @) m7 }7 X* g - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 k% D, I& t+ O$ g8 n! x1 Q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {2 g# B$ M9 G0 p1 z; {- v
- printf("Input MAC error\n");% T0 `. m% `2 K. V9 m) }! K
- return 1;2 r; b& A& _- [) M' X
- }7 [3 a2 }& f0 x8 q
- for (i=0; i<6; i++)mac[i] = macs[i];3 H- m3 N( n: s
- printf("\nPlease input new STBID: ");! U8 i0 U; h1 P. F! g
- scanf("%s", stbid);
m" R# n& U' D1 P - if (strlen(stbid) != 18) {
4 R' \' e3 ~# j' o( R. y - printf("Invalid stbid\n");
& x6 A {9 v6 B - return 1;
. J8 P2 H% ^5 r8 h! _* X. D - }3 O: ? J+ v% G. D
- printf("\nNew parameters: \n");
/ g6 n% b7 @5 z( R' H" Q& C - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 k& g- T) X) }- c# |0 K1 i
- printf(" STBID: %s\n", stbid);
) c1 |$ _5 F5 A! _! r5 j7 }+ _
/ P! n3 ?" p! {- printf("\nDo you want to change paramemters? (y/N) ");3 Q+ Q9 G" E# {, k
- for (;;) {
# d) T) e; w+ i6 X - c = getchar();) k8 _" u6 K4 r6 N
- if (c == 'y' || c == 'Y')
- I' D0 k F: G( Q8 M - break;% T9 c- s4 g' S, t7 `
- if (c == 'n' || c == 'N') {
3 l8 _/ Q& V2 P - printf("\nAborted.\n");
# w- o" E M8 \) _9 ` - return 1;
/ J2 P5 ~+ D: r l) z9 Q9 i1 g - }
' f1 C; P/ Q6 a, N0 Z5 X - }% V% ?3 D( a7 [; ^9 j
- if (writeparam(mac, stbid) == 0) . d. i0 C, v$ B# Z; O( S
- printf("Parameters changed.\n");
% q5 B9 f/ X3 L: |" I( E! ], E - 7 L3 E; X, P% ^1 ^
- return 0;% e" i$ f0 f& a/ ]7 u
- }
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