本帖最后由 0522 于 2012-3-21 23:04 编辑
: H4 x6 S6 v6 p$ l0 r1 ~% O
. q) N# }9 Y& |& Z修改的代码早有了。到今天不会编译。' y( w9 U. D/ Z
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( T# G) C* r$ g. F! w% O& k' M - #include <malloc.h>
: H$ H- x9 C9 u% u# v w& ~ - #include <sys/types.h>4 n& R- V+ R8 S
- #include <sys/stat.h>
2 V$ K8 Q' X5 H; e - #include <sys/ioctl.h>/ y; x# e" o' E: g
- #include <stdio.h>
9 B1 K' u% A' { T, ^6 ], b& k - #include <string.h>
/ J4 p5 C. q) P+ Y: V: K# z - , X6 w8 q7 S8 Q( E
- typedef struct {6 a6 i6 [2 F4 i$ e3 d5 \& U
- unsigned int e2prom_cmd_sub_addr;
; R$ r+ [7 q0 E, S) {$ p - unsigned int sub_addr_count;. t& Z8 |/ Y9 S* L1 k4 m- Z
- unsigned char* e2prom_cmd_data;2 K H# |( ~0 O. j+ h8 ?
- unsigned int data_count;: c+ n, m) |7 u+ x% r
- } e2prom_s_cmd;+ u, a+ D8 N) h# h1 u
- + R7 w/ m3 i& j+ s0 I
- #define E2PROM_CMD_READ 1. u3 R @0 b, H, q9 l
- #define E2PROM_CMD_WRITE 2
3 i# Q) Y1 f: O( [ l( h: } - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
1 k8 O9 s$ d$ _* {. _2 s% [ - 1 ]* ?, k& C" i# e B4 `
- static int readparam(unsigned char *mac, unsigned char *stbid)
/ x# R' |1 d6 y1 q - {
+ W3 f X2 b3 M5 h2 G8 X% `. D - int fd, ret;
. c% f3 ?& L q+ S E2 g& X" ^: L - e2prom_s_cmd arg;
; J: ?8 ^2 p; V& l+ f - unsigned char buf[0x18];$ K7 I n1 J; V# f
; U5 d( y; W1 L' Z! x- fd = open(E2PROM_DEVICE, O_RDWR);
+ k H0 X+ Q! S/ g" y - if (fd < 0) {& ^+ R* t* T5 |0 Y# i5 ]3 i5 A
- printf("Device %s open error.\n", E2PROM_DEVICE);
, A; U+ |# k! x9 `: c) o" W1 @" S* b - return -1;1 w9 ]; a$ Z" H! E7 q
- }
: [& o* f) @9 Q2 c& L2 H - arg.sub_addr_count = 2;
4 f- t6 ?- f+ f# b( _$ S - arg.data_count = 0x18;
/ ] R. _0 k. I- u3 M* j! r$ U2 p - arg.e2prom_cmd_sub_addr = 0x290;
! T' y, c+ T, m1 h# d - arg.e2prom_cmd_data = buf;
1 j3 G( H0 Y( ?6 | - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ H. V5 d% V# U" _6 O- s - if (ret != 0) {- C/ D! K2 O0 ?$ ]$ s$ _# F+ \
- printf("Device %s read error.\n", E2PROM_DEVICE);" ^0 C* k5 n' |4 f% ?3 O6 s
- return -1;: E9 C7 U( v' s! U# b5 Y' v
- }# s8 W6 O8 {7 _# i1 E0 }& E) m
- memcpy(mac, buf, 6); c" p2 P5 G) i( Z" J/ L& T% ?
- memcpy(stbid, &buf[6], 18);
K# r0 y2 T+ E1 A - stbid[18] = '\0';
/ ^ }0 M1 N: E - # F4 G4 U; S, M' h& J
- return 0;" p) K4 j7 x3 h) Q8 v+ c4 f' j9 O
- }
+ V1 N. a- f" _4 G* }' Z - 2 S, `0 |5 @: s
- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 P$ _8 I: R) I$ m7 E/ X - {
9 d: ~5 f& } f# X n+ j9 } - int fd, ret;7 i* j; y; z: I- l
- e2prom_s_cmd arg;/ R! o0 `# c6 y6 B, w8 I1 G: v
- unsigned char buf[0x18];
' U8 q' u3 A! c7 G& g5 }
2 u- k6 _* N6 h; _- memcpy(buf, mac, 6);
7 g. _; |' k1 p9 ?1 ] - memcpy(&buf[6], stbid, 18);
5 K) z% b6 J& m4 z - fd = open(E2PROM_DEVICE, O_RDWR);4 s+ Q, ^8 O0 G' h
- if (fd < 0) {
" F/ o+ B6 c- N' F; v - printf("Device %s open error.\n", E2PROM_DEVICE);! B7 n6 W$ _2 N4 O* [
- return -1;% L' q/ e* R9 ]$ p+ H- P4 F
- }
- D4 Y/ ^$ Y' F8 i; x. b - arg.sub_addr_count = 2;9 _' Z' N) Y& ?2 c; i
- arg.data_count = 0x18;: y. ^2 ~# I8 m; O# K# f
- arg.e2prom_cmd_sub_addr = 0x290;0 C3 w4 \5 S$ F: e& }9 Z
- arg.e2prom_cmd_data = buf;
' F8 m4 f3 V+ S) w. q3 S3 H+ ? - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ E$ W& Q, A: Z% e9 u9 `
- if (ret != 0) {# I1 x W9 G% H S. F8 P: ~$ H, b% Q
- printf("Device %s write error.\n", E2PROM_DEVICE);3 h' r9 \- G. @7 A7 t
- return -1;# C7 o: m4 J2 `7 c
- }) Q; ?/ b9 _' r, X2 I7 N. g
- 8 p; a7 C; |. d
- return 0;+ @1 w* l! s4 L) q0 e/ M9 F" u9 T. g
- }
! Y) o& x0 A- t Z
" O: S2 ^/ {( ]7 O9 t- int main()
) m2 V0 E! h4 E$ Z' |9 d6 X - {4 _4 @3 Z9 \8 \* u3 w# B% |9 A
- char c;
1 W; o) A& z" g - int i, macs[6];
% g& w( _8 L* w$ ^; { H. `0 U - unsigned char mac[6];. r4 ^& Z' D9 |2 q, @
- unsigned char stbid[256];
! B) Q$ l# t) `. w, J6 L$ T; X& j
) E! h" s( @! z. Q X; T! u1 g- if (readparam(mac, stbid) < 0)- a: I/ l! N% h) z
- return 1;4 J9 `. ?( C" f; V6 s
8 z, P& H" X# \+ f, ]- printf("Current parameters: \n");
" L- l, l- E- C - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ i& }+ {. l' K) ~" t7 Z+ b0 s
- printf(" STBID: %s\n", stbid);
% y% \) N& ~9 V, Z$ Y6 c" h - ' p X$ p, E, w* L
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
/ `1 W, E) ]* _! ^& e% M1 j - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
2 O; |7 F R8 t. {4 J6 V/ ~ @$ H - printf("Input MAC error\n");9 i5 `5 e. S: |' Y
- return 1;
8 H/ r2 c0 R0 T- N/ V# M8 G" I, @ - }
4 r: l; C! `0 s - for (i=0; i<6; i++)mac[i] = macs[i];
- O! ~: N) O) p. ?$ X4 k! W' X% t - printf("\nPlease input new STBID: ");
* U2 e2 r! \+ d2 T/ n9 d$ G - scanf("%s", stbid);& r; B" T5 t5 ?3 r! W/ s! r
- if (strlen(stbid) != 18) {
& Z# A' r6 s! \1 [/ X - printf("Invalid stbid\n");
. h+ z# P, R" P% E8 | k6 ? - return 1;- d9 w: F7 f3 k) Z3 c! r( w' P$ u
- }* L0 ^0 U' n3 a" Q
- printf("\nNew parameters: \n");9 v7 { C: G0 c) M
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' y! Y# S, P+ e* B* u( E3 I - printf(" STBID: %s\n", stbid);& q3 I `6 [1 k! {
- . a+ W+ B. H; I2 o
- printf("\nDo you want to change paramemters? (y/N) ");
0 H: R0 t3 L, ~: z - for (;;) {* g2 J4 X& _3 `: d( c- K' |
- c = getchar();
0 g+ f9 T- \7 | N - if (c == 'y' || c == 'Y')
0 Q, H8 x. u3 O% K - break;
, U8 ]- [7 t/ r4 G* }: Z - if (c == 'n' || c == 'N') {$ N- T2 F9 W: \8 d# ?# v, ~
- printf("\nAborted.\n");
$ N! X. V$ b6 t. Q. J - return 1;
# ` w% o5 O: @ - }
$ x) ^" M! P- ^9 P( R* s - }
/ R0 e2 `2 S$ U0 |* V - if (writeparam(mac, stbid) == 0) , m- G+ `0 c# ?: q
- printf("Parameters changed.\n");) j/ h$ q- A- Q; [! E% p
" ]2 `: J6 x7 M4 X5 r- return 0;- s m0 Y8 ^* s& v# @
- }
复制代码 |