本帖最后由 0522 于 2012-3-21 23:04 编辑 7 _& Q+ D! i& i* G6 g& F& `6 ^' A7 {
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修改的代码早有了。到今天不会编译。6 f& B% S2 L( P, ~/ |* |
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" p0 |0 Q+ z8 D4 t4 L* V
- #include <malloc.h>
5 _4 U# |3 r" y8 e - #include <sys/types.h>% L" W& Z7 F. S0 c! y z
- #include <sys/stat.h>
, A- \- J" {( U& D9 B" l0 g - #include <sys/ioctl.h>
, @% F/ ~/ C; _- ?8 l1 e# y& B - #include <stdio.h> y8 ~: l; J! x! d: ~0 t
- #include <string.h>
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J% J0 j# A- F) P4 d$ Z' \3 a- typedef struct {2 d) `1 |$ ^8 {" Z1 I: k
- unsigned int e2prom_cmd_sub_addr;! k+ \% ~% i0 O5 C
- unsigned int sub_addr_count;; x# b8 R% p8 o0 S3 [
- unsigned char* e2prom_cmd_data;+ v; L, Z+ {! ^5 n8 q
- unsigned int data_count;
5 P; J" Y& A' }6 V, V$ I( T - } e2prom_s_cmd;. a; B: ?9 ]& C6 w+ H
- # R7 ^# s. u M( D
- #define E2PROM_CMD_READ 1
2 A' {7 v& w3 G( x - #define E2PROM_CMD_WRITE 2
& `' J8 M* {/ b - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16". L' m! r& O, F6 Y+ L
+ D6 }% |0 p9 x1 _' {8 k! i+ M5 b- static int readparam(unsigned char *mac, unsigned char *stbid)" S! p( _1 C, N; E
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- int fd, ret;
3 {$ H7 k+ k- h3 T - e2prom_s_cmd arg;
, Y6 s. c' q9 W* |" B1 R2 S - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
_3 @! f C1 ?4 Q8 c8 c - if (fd < 0) {
# h4 _7 W b3 Q2 _" a- S - printf("Device %s open error.\n", E2PROM_DEVICE);0 t# [# J, p( u" P9 @) q+ T3 z
- return -1;
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- arg.sub_addr_count = 2;
0 W8 ~2 i/ @- J5 p" I/ w - arg.data_count = 0x18;! O. e2 X& h9 \1 i1 @
- arg.e2prom_cmd_sub_addr = 0x290;
/ n# j) ^. T$ B$ Q& L - arg.e2prom_cmd_data = buf;
8 T# k5 R- V/ ?: J8 g - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
. O7 u1 T/ m4 u( |* ~; C+ u, S# F - if (ret != 0) {
" S: [- Z3 i; O$ h% d0 c% t; |0 Y - printf("Device %s read error.\n", E2PROM_DEVICE);
6 Q6 E1 _3 O/ d) }3 C - return -1;- r0 B& B! t. H) }8 e
- }
, o% d, e5 c: U0 j# e( G- M4 s) t - memcpy(mac, buf, 6);" S. ~9 L7 h# R
- memcpy(stbid, &buf[6], 18);( m' T% \$ E" b3 K8 h1 d9 E
- stbid[18] = '\0';. P1 j5 G9 w, c
' y; w9 B; f/ R- return 0;
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6 R0 D, B' k* T) f8 {0 a- static int writeparam(unsigned char *mac, unsigned char *stbid)- u4 _0 ? _. W) x; m1 [
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- int fd, ret;6 ]/ W j6 n$ P8 d2 `4 W" H8 O
- e2prom_s_cmd arg;! k! ]0 h! U1 w. [
- unsigned char buf[0x18];( i$ b" a# ^- z6 i( M
2 T* L, i |- ^- i4 Q( c3 D9 F- memcpy(buf, mac, 6);
m1 Z, a% R3 x - memcpy(&buf[6], stbid, 18);
! z2 t8 o5 J: e- w8 L# _0 F - fd = open(E2PROM_DEVICE, O_RDWR);2 K: D$ o: x) X2 k* c, o
- if (fd < 0) {
) L9 |: L; j# ~ - printf("Device %s open error.\n", E2PROM_DEVICE);# e6 i- r G+ h* R" p+ V/ G* P
- return -1;
5 b7 x9 i2 y( k* y - }
/ j1 p" L5 O+ } - arg.sub_addr_count = 2;
7 D4 L8 L P( |: r/ C0 p - arg.data_count = 0x18;, ]2 k- l0 R" C8 {" x
- arg.e2prom_cmd_sub_addr = 0x290;
0 W0 t( e, D; N. d/ X. v( r0 ^: B - arg.e2prom_cmd_data = buf;6 ~. B3 p/ C% _+ x$ @3 h+ f" o
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 {0 t* }& w* |; F8 ^' _* S! _ - if (ret != 0) {
* V- T" e8 M1 S E- C) ]3 [$ n( C+ n# L - printf("Device %s write error.\n", E2PROM_DEVICE);2 d- D7 V1 R I
- return -1;+ k4 Q- l4 M* Z, {
- }
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- return 0;
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- 5 _" m* s: J* a7 D
- int main()1 s4 s" A2 u2 d9 e; V
- {
) i0 D( r) ?0 n: g - char c;
0 ^' p8 x' b; C7 O/ @, {& e - int i, macs[6];
u1 S: Y8 i+ v% @% j, R$ ]' p - unsigned char mac[6];
1 {) Y- e. Y6 t2 w; B( Z1 ` - unsigned char stbid[256];
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3 X( [/ _2 Y9 g- if (readparam(mac, stbid) < 0)
* X* k$ m* D! e, w3 u/ U3 n" H9 X - return 1;
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P0 L2 K5 f) o! L+ `- printf("Current parameters: \n");
5 a6 O! b0 N& @* V; y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" \ }5 h( _0 v - printf(" STBID: %s\n", stbid);
9 V8 R+ V% ~( q" [) j -
6 W8 J* h0 z% M( a4 U5 P$ k7 i9 e5 T - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. Z% i7 V0 [) Z3 O L' t5 [ S
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
" ]9 n. l7 v* a; H7 K - printf("Input MAC error\n");
& }. S. o7 C5 |4 y r! i. ^/ U - return 1;* X( r+ K" w. ^$ b! s7 T9 @
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- for (i=0; i<6; i++)mac[i] = macs[i];
( q* E0 S! l5 w5 o( V - printf("\nPlease input new STBID: ");- P4 X* S( \4 U1 [9 F
- scanf("%s", stbid);1 T" V4 c9 ]$ W& H2 \ V
- if (strlen(stbid) != 18) {4 v3 J2 n( y; l4 N+ ^
- printf("Invalid stbid\n");
; ^) Y7 Z' I* U8 C2 g) @ - return 1;- j# X& V; z/ x, Z
- }
6 s$ ?2 r: A5 M& S5 c - printf("\nNew parameters: \n");
! s4 F8 c: @/ ~) G5 I6 Q* c$ B' W - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ z ?5 K: B! B* G - printf(" STBID: %s\n", stbid);
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" }" W' V' u9 f; s- O0 F& u- printf("\nDo you want to change paramemters? (y/N) ");( W- Z; T) R3 D$ L
- for (;;) {
) X" t3 N$ S: _- B% m1 s - c = getchar();
& g7 s5 |+ c! c' S. n% w1 f% e+ \ - if (c == 'y' || c == 'Y')# O' K4 c& F& Q$ J* C- q
- break;
! F- B' r. ^% }* J - if (c == 'n' || c == 'N') {
$ q2 }3 }) ?! N2 K- ^* n) w! J- E - printf("\nAborted.\n");7 m" C9 ^ W; w8 ?& E, r
- return 1;
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- if (writeparam(mac, stbid) == 0) 5 X% R$ d1 o* @) Y) E4 K
- printf("Parameters changed.\n");
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- return 0;: w; `6 i+ w9 U
- }
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