本帖最后由 0522 于 2012-3-21 23:04 编辑 9 ^3 h, U6 G* }
j0 s; I8 K# R, N i1 i修改的代码早有了。到今天不会编译。8 }6 {# |6 Z% n% Q; m" s* ^
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ |0 i2 \9 B- `. N Q
- #include <malloc.h>
* w3 N2 |* [8 c+ j - #include <sys/types.h>
4 P1 a& w/ ~1 O2 o2 d - #include <sys/stat.h>
; O' @1 }" ?& M/ ?% K4 q; W) m - #include <sys/ioctl.h>
2 V0 r& U4 [, v; U - #include <stdio.h>
" e) C& m( z3 F2 [! G - #include <string.h>2 c1 S; N) d- \) O! A" |$ \
- 1 Z: S( v" R" t% c5 K/ }
- typedef struct {; s r5 J% g( w0 _' @
- unsigned int e2prom_cmd_sub_addr;
9 a& o3 Y, R9 a8 n" D - unsigned int sub_addr_count;$ i/ U B# v+ M. B* B/ R
- unsigned char* e2prom_cmd_data;9 z. k4 I0 r! |2 o& b
- unsigned int data_count;
1 W) x( m8 Y; w' L! ]/ { - } e2prom_s_cmd;+ P) f) v$ ~5 R8 G. x' c
- L* s( S$ E' k3 ^
- #define E2PROM_CMD_READ 1
( K/ ?$ i! U$ a5 G - #define E2PROM_CMD_WRITE 2
6 w4 r3 d% N& E+ n0 t% Y& M/ I - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' ]$ ^& ~; p' i/ p8 K
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- static int readparam(unsigned char *mac, unsigned char *stbid)
) ?8 d& o2 J. Z+ w G& n - {
9 _8 J1 y( i' N8 S% _ - int fd, ret;, Z8 M' z" I2 `. a/ l- y
- e2prom_s_cmd arg;; L4 z q k2 n& @: q( g
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);+ j/ K) l" y5 \5 y
- if (fd < 0) {: U$ }9 G! A* [. @
- printf("Device %s open error.\n", E2PROM_DEVICE);. w7 J% i, d) B- }& j- U- k, M
- return -1;
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- arg.sub_addr_count = 2;! y; B! a9 d; m
- arg.data_count = 0x18;; y2 g$ U' R( O
- arg.e2prom_cmd_sub_addr = 0x290;
# H% O$ f0 [! J' d7 y - arg.e2prom_cmd_data = buf;
$ j( O s0 Y, e+ N* `+ t- A( n - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
& J& Z- P, q5 I. U* V - if (ret != 0) {9 M6 w1 k( r: n
- printf("Device %s read error.\n", E2PROM_DEVICE);
' ]! d% h4 V" ? - return -1;* Z% V: A! T9 ]+ ^$ S9 p% Y
- }
3 {2 c+ x; J( {, a- i; f - memcpy(mac, buf, 6);% h1 |5 m0 U7 c: h' Z, E
- memcpy(stbid, &buf[6], 18);( L. I! y" H6 x3 X* j7 E
- stbid[18] = '\0';
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1 f' e* `, O6 U- return 0;
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+ W2 ~# F9 Z2 c8 E- static int writeparam(unsigned char *mac, unsigned char *stbid)
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5 [7 v$ D$ k' I3 |+ y - int fd, ret;( D+ {7 K9 [ \* H
- e2prom_s_cmd arg;
+ q8 I' ~4 d2 G- K/ w( q - unsigned char buf[0x18];9 R9 |$ y8 b9 t* v
- ) A4 |+ v% G! ~& [5 e, W
- memcpy(buf, mac, 6);* y3 \) e! t* K
- memcpy(&buf[6], stbid, 18);1 E3 h* w# L! y3 t ]9 h/ b1 D( b
- fd = open(E2PROM_DEVICE, O_RDWR);
; t& }* ?, }% x5 M9 B) ^0 s* g. Y - if (fd < 0) { {/ k; D+ H; A: o3 E
- printf("Device %s open error.\n", E2PROM_DEVICE);6 U6 U3 ~8 k! m* F
- return -1;1 S/ }" U; b1 |( m- C. J3 s1 M" ^
- }
; }) `: v+ d! C; a - arg.sub_addr_count = 2;3 l& S6 ~( H$ [
- arg.data_count = 0x18;
. Q! z3 e: G2 r - arg.e2prom_cmd_sub_addr = 0x290;* ]* X, B; _9 Z
- arg.e2prom_cmd_data = buf;
1 V/ l) f( e8 F; m2 |! F - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" l8 O1 {+ F1 f. z ]. o9 o - if (ret != 0) {1 y# M% J4 J8 R' A# k/ x( n
- printf("Device %s write error.\n", E2PROM_DEVICE);
" {, _5 y* `- y& F' F+ i* g& t - return -1;8 N( T6 \( i1 Z. A7 A- F% J' R
- }9 d, y3 M8 P ]! q) D" k
5 P$ h, R; V$ K( Q- return 0;
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$ e: n* n( V3 d7 ?) U5 W- int main()9 K- r* l: T! d/ _$ J: i
- {
5 K8 Q, h7 A( S - char c;; w5 k8 G6 G$ I1 a& c" Z; ?
- int i, macs[6];/ M) u3 p$ [* e( x# F# |
- unsigned char mac[6];
8 k4 Y) m* ]+ D u$ Z; K - unsigned char stbid[256]; R0 x7 a" k) Y7 Z0 U5 `, Y3 o
/ j1 }$ d3 o( B& U- if (readparam(mac, stbid) < 0)4 c8 t, s* w" p+ Y& X- {- C f! N/ _
- return 1;) q: N- Z9 [) v, c
- / @& @6 I b/ v/ C6 _
- printf("Current parameters: \n");
& X. L' \( {8 C6 f - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- w, V% [+ Q; j! _/ ]' ^ - printf(" STBID: %s\n", stbid);
l5 O# m/ X: [. t8 r -
7 g6 ?5 a# q3 {" b7 P. G1 ~ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
T) z Q2 b! Q5 K - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: j9 i& N5 S; ?# y - printf("Input MAC error\n");% X1 j& I( f; c0 @
- return 1;0 P$ Q3 z9 H+ H4 h
- }
. [- V; H6 u' c - for (i=0; i<6; i++)mac[i] = macs[i];. S5 \$ T' Y0 r( v- m0 I# S- q
- printf("\nPlease input new STBID: ");
( m! q8 p4 u- E% A, x! i- F6 U9 e - scanf("%s", stbid);
5 O6 f7 q/ B$ O" B; r% f1 ` - if (strlen(stbid) != 18) {' c# b1 o8 Y7 T0 ? [2 A
- printf("Invalid stbid\n");( ]1 L- f0 k+ F* q4 Y' ?
- return 1;7 f [+ A" V2 p, b2 j, S
- }
( H+ H; S* V+ [/ j - printf("\nNew parameters: \n");
, U" {; O, m5 u! K. `5 M- U - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 K5 V5 m2 B" g# F( ~. B6 J - printf(" STBID: %s\n", stbid);5 g( N2 L. p9 ^% }# b
* e0 O* m( k8 B1 X- printf("\nDo you want to change paramemters? (y/N) ");
, o; ~; g+ D- [$ D# B/ o: x! b - for (;;) {
$ v( S, a' Q- b - c = getchar();! d( S+ _1 Z. H' K& D2 Y
- if (c == 'y' || c == 'Y')
% {$ U3 c. C9 {: m4 J% A8 v - break;
2 E; y" A, c/ G - if (c == 'n' || c == 'N') {
/ v$ T- v X H9 \- K. l: L6 z" ^0 X - printf("\nAborted.\n");4 G6 `% O e0 A2 I% T2 z
- return 1;' X* g7 N- m* ]5 _9 Z8 f
- }
( `$ Y/ d( J- n2 ?+ B, f6 F0 |' ~ - }
2 L" Z0 H* W4 z' @" M - if (writeparam(mac, stbid) == 0) 8 Z3 Z1 V& u4 |3 R' i7 H5 R
- printf("Parameters changed.\n");
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# i" k. K5 v8 i/ }- return 0;4 V3 Q# {2 J6 k% o: G# F/ g* a
- }
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