本帖最后由 0522 于 2012-3-21 23:04 编辑 1 x# E. i7 C, s; h) ~
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修改的代码早有了。到今天不会编译。# R% ]5 j# `9 ?! N7 s
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
- V0 a% ~, \+ ?" Y0 ~3 ~; B - #include <malloc.h>
, v3 j2 X: }+ b - #include <sys/types.h>
, n! Y' @2 Z3 f& B$ g4 A - #include <sys/stat.h>* A5 r5 q% O* I, g1 Z; j
- #include <sys/ioctl.h>
5 q% U+ s" i5 M; |9 u: d - #include <stdio.h>+ b9 A2 M/ {! x2 z4 e
- #include <string.h>5 o) T h& F5 c M" L
% V3 \5 W+ K1 @- typedef struct {
7 y3 f+ n4 ?& |4 U' ? D% b - unsigned int e2prom_cmd_sub_addr;# k/ A9 [0 X" T+ T
- unsigned int sub_addr_count;
+ R* H- a! x) Z9 u7 m1 u - unsigned char* e2prom_cmd_data;
! ], r( r( y3 w8 _) w - unsigned int data_count;
; ?8 e% D/ H. @ f - } e2prom_s_cmd;
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- A6 M( p: l: u0 w0 Q8 m: B- #define E2PROM_CMD_READ 10 Q1 t0 W# U- [) J I5 v
- #define E2PROM_CMD_WRITE 2
- ?- p5 {5 a! H# Z - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", p) d: X+ R8 v7 M
- # a2 `' l: h/ N7 E" ^2 C/ y' R
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
?" W) f# s$ @- v1 l - e2prom_s_cmd arg;
- ^ ~8 z0 I- ? - unsigned char buf[0x18];
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/ p9 ]$ t' o! _/ d2 c- fd = open(E2PROM_DEVICE, O_RDWR);- {- T, U0 i3 r6 C1 y
- if (fd < 0) {
9 |2 n7 t8 a' y$ d% ] - printf("Device %s open error.\n", E2PROM_DEVICE);
0 G+ H0 H0 ^7 ~+ h) c& E - return -1;1 z# K$ M$ X+ b( R" m3 E% f7 n
- }
8 D7 x$ M0 A5 A# d8 c - arg.sub_addr_count = 2;
6 Y4 g6 ]* l3 X - arg.data_count = 0x18;
0 c; U# X. G6 g' @2 S+ V - arg.e2prom_cmd_sub_addr = 0x290;
/ \5 V8 R7 t# v F - arg.e2prom_cmd_data = buf;
+ k1 U; t& m& J/ z3 a - ret = ioctl(fd, E2PROM_CMD_READ, &arg);* e0 C$ z" V' X* u/ G4 ~& m
- if (ret != 0) { e9 Q1 E# E; F) x. c& t6 ~9 F
- printf("Device %s read error.\n", E2PROM_DEVICE);
! _; s1 A9 K, x) h. u f - return -1;. b! Q; p& c% W9 g
- }
4 q- g1 R8 j; k9 v- O - memcpy(mac, buf, 6);
}2 G% l2 i# V - memcpy(stbid, &buf[6], 18);
. y* P$ H, c$ E, ]- { - stbid[18] = '\0';
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- return 0;; v& d6 q( P* a' o2 K2 N
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid). Q" \+ f/ y( v9 \
- {
0 `3 X& T% g( r. s - int fd, ret;+ h3 o# P ^0 d+ l! G
- e2prom_s_cmd arg;
- b! d/ f. A3 s- \( Q - unsigned char buf[0x18];. O$ ?6 M1 n7 ]3 o2 S( \
7 L6 b8 j5 ~* X7 v- memcpy(buf, mac, 6);' M# r8 ~) M& a( |7 e( K" J
- memcpy(&buf[6], stbid, 18);- S3 q3 r' c& ]8 z
- fd = open(E2PROM_DEVICE, O_RDWR);7 ?8 B0 q. w. L# \
- if (fd < 0) {
( i' r {' D( A \ h* `/ _ - printf("Device %s open error.\n", E2PROM_DEVICE);2 S$ D+ v! ~/ _/ {; Y7 C
- return -1;
0 t8 o0 i/ D' H8 V4 x9 z2 T$ k3 P - }) [- `1 x1 q& V8 b' D. p0 c- q
- arg.sub_addr_count = 2;* n! \1 V! m/ g1 m) E/ D
- arg.data_count = 0x18;- \3 c0 ]( z' Y% s$ I: k
- arg.e2prom_cmd_sub_addr = 0x290;5 ?7 h A5 \# l; H' k/ a" ~% E# o
- arg.e2prom_cmd_data = buf;
`$ f% S4 g/ }( L& W' q - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
7 e) T2 g( ]( x+ P, i" t+ t - if (ret != 0) {2 y- x/ F& v+ E4 Y9 c- q
- printf("Device %s write error.\n", E2PROM_DEVICE);
! W1 P- X' j/ _- u( s - return -1;! R/ a8 {; M/ o z0 I' ^
- }' o: L; J* g9 E7 e; E" a
+ B) a2 t) o4 @3 d0 O- return 0;
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4 K/ c( y3 ~& f+ d- int main()
' c5 ]+ n4 q$ w* b; \& E# g" c - {, s) W1 B8 V' G) u
- char c;
* ?6 ^; U" [( M/ c. i/ a H - int i, macs[6];. r5 y; a9 Y- c* `! h* Y
- unsigned char mac[6];
+ `6 h0 t- \4 P& g* m# s - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)+ o1 z" f0 r) l" M3 i# A* S- n
- return 1;. n: J. t i2 j& a4 i
- . L$ y4 b+ b& M7 H' j, a
- printf("Current parameters: \n");
2 r3 M! l+ L( |8 F$ k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& t8 R) q" e. S
- printf(" STBID: %s\n", stbid);
1 P4 @5 u( ?! q: h0 b$ ~. o/ [' p -
: |, E r6 \$ X( C7 j; s4 n - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' q2 f! |3 w% H# L% b - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" Q: M: v) P3 @2 `5 B0 t5 M% L& Z
- printf("Input MAC error\n");& i4 _: ^ f, [0 g9 F
- return 1;! N8 F+ K6 y, _8 C$ X- M6 b
- }! I5 I" A/ _6 i! Y& {/ x8 ^% ^
- for (i=0; i<6; i++)mac[i] = macs[i];8 N1 ]0 D% X, n: T d1 I
- printf("\nPlease input new STBID: ");
. S9 m% p0 ^. ~0 q8 z - scanf("%s", stbid);; r- R# i2 Z8 O% M/ y+ f
- if (strlen(stbid) != 18) {
; f, L; T+ X( Q - printf("Invalid stbid\n");% g. q$ U: ?4 g- h
- return 1;
& j- p, q$ T' i# x0 M - }
0 i5 S+ f% g9 d+ \: z - printf("\nNew parameters: \n");+ W# U3 P3 d/ C3 Z: c% j8 m- m& [8 y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 B Q8 O: `" X s7 T
- printf(" STBID: %s\n", stbid); N" q5 Y2 Q" [) P4 [7 r& G. Q
( H. b- h# L/ x# L+ X- printf("\nDo you want to change paramemters? (y/N) ");4 O# {5 Q8 z$ m8 W
- for (;;) {
8 j) [: m8 h. [ ]' c; h( O - c = getchar();/ ~( |% Z2 H* W: x4 e9 d
- if (c == 'y' || c == 'Y')
4 F' s4 e$ U: b - break;5 g' d% i+ n) ?. C
- if (c == 'n' || c == 'N') {
6 a. z Q/ {& H# a) i# R% {0 K9 e - printf("\nAborted.\n");! [1 I+ A* E) P$ M
- return 1;! z: g2 O2 l1 _5 Y* x: b% k3 ^
- }
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- if (writeparam(mac, stbid) == 0)
9 d# ]( \/ M% B, b! |# d - printf("Parameters changed.\n");
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- return 0;
5 _ x8 H1 A+ d6 k) y - }
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