本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。8 ]0 j+ Z9 q0 `6 N: d Z! K$ n
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>3 A4 A- X! L7 G
- #include <malloc.h>) s; Q- s! R2 r+ u) |
- #include <sys/types.h># Z5 o7 r0 `% V8 ?/ T1 I6 ^% g
- #include <sys/stat.h>
, _& y" O; b, q7 D5 p% c0 w T - #include <sys/ioctl.h># K" u( L! c3 d8 `; ^/ j
- #include <stdio.h>. Q2 X* z8 u4 C0 P5 W; u# }- O
- #include <string.h>
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( g O! b. Q! z- typedef struct {
- Q$ }4 q+ Z) I" A2 d0 ] - unsigned int e2prom_cmd_sub_addr;6 K3 M0 X) b4 Q
- unsigned int sub_addr_count;
" G2 d$ B2 G) k* Z* v* F2 ? - unsigned char* e2prom_cmd_data;5 n# B% {$ Q$ D" [5 ?0 R
- unsigned int data_count;! T2 K" U6 | F: W& T- J
- } e2prom_s_cmd;
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( l. x$ ?& z8 W) F" |- #define E2PROM_CMD_READ 1) B7 N$ |8 D% U1 I
- #define E2PROM_CMD_WRITE 2
1 _5 @9 h, c9 g; I7 Y; S - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" e4 z4 K9 G9 O3 ^8 Z
- ; M" t4 J* C4 t. n" R
- static int readparam(unsigned char *mac, unsigned char *stbid)
/ f0 X. z6 R8 t - {/ i5 E8 g5 q& j% ~# l
- int fd, ret;- O/ Y+ I, e b
- e2prom_s_cmd arg;
* R9 f U7 C( W; |7 g1 v - unsigned char buf[0x18];0 T! q c* Y y) ?; G
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- fd = open(E2PROM_DEVICE, O_RDWR);
) B2 o$ F7 H- u - if (fd < 0) {
% w7 X# @/ ]& a/ v, h - printf("Device %s open error.\n", E2PROM_DEVICE);
* F1 @ u2 ?! o3 r5 V8 b$ Z+ ] - return -1;
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- arg.sub_addr_count = 2;
' _4 f7 j! P; p; r5 S1 A) W. d - arg.data_count = 0x18;- L1 G9 l/ J, {
- arg.e2prom_cmd_sub_addr = 0x290;
+ [* V* w8 Z6 k! Q3 Y/ x - arg.e2prom_cmd_data = buf;$ Z+ {% K- W6 [9 O( Z+ U! N
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 |* g3 c' w+ q- Y! @7 T( j. J
- if (ret != 0) {
* l5 t% `3 y4 `5 m1 f9 q( f - printf("Device %s read error.\n", E2PROM_DEVICE);
* T: s9 b$ q7 V# I$ E7 y - return -1;
Z) B: {% n3 L2 }2 q/ c( C - }
/ J/ ]5 q- V e+ f7 t - memcpy(mac, buf, 6);
7 I# ~: | d3 ^ - memcpy(stbid, &buf[6], 18);; ]* A( w$ g+ O' p/ X
- stbid[18] = '\0';
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0 B; D3 ?9 F* u ^" j( p- return 0;
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- 8 v5 M. [0 F8 K" u; z; o
- static int writeparam(unsigned char *mac, unsigned char *stbid)8 c ?% }9 z1 ]$ Q
- { [6 p& {$ }& U$ w
- int fd, ret;
% O3 }% b# f0 e - e2prom_s_cmd arg;
( X# B) k& z: N' K% q# L3 d - unsigned char buf[0x18];5 y) \1 Z9 b3 `4 U
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- memcpy(buf, mac, 6);
/ L% k' ~: S. x3 T# [+ D, O - memcpy(&buf[6], stbid, 18);2 [- l) t* \; Q9 y
- fd = open(E2PROM_DEVICE, O_RDWR);. `) Y# x6 H: M$ ?' R, {# n
- if (fd < 0) {
k/ I0 f& Q- r' {2 C3 { - printf("Device %s open error.\n", E2PROM_DEVICE);, x8 o1 G9 c o7 W
- return -1;. a, |. n- c" R1 N& P
- }7 A. S. [; x0 Q
- arg.sub_addr_count = 2;% X, G1 A' v. N+ ]! ]6 z1 h. E
- arg.data_count = 0x18;
4 d6 u0 K6 L# f/ r8 x5 J0 M' q - arg.e2prom_cmd_sub_addr = 0x290;- n: g- W( R/ ^+ p/ M! N
- arg.e2prom_cmd_data = buf;
, w4 @* B- a \. M. ] - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
: \" q b- A' }" ?- ?3 ` - if (ret != 0) {. M! \7 }1 t7 |
- printf("Device %s write error.\n", E2PROM_DEVICE);
1 N. M. d0 I1 Z2 n( x* e9 s: u - return -1;! Z( e+ k' e3 }8 d& ?( r
- }
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& z+ C. R. Z) `5 m% V- return 0;
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- 7 u7 U2 e; X1 A7 ~
- int main()
! h k( D3 I* m& q - {
! y4 c2 B0 ~. G; c$ A - char c;* ]: `' \& U5 U& u' j$ E5 ^+ K4 b
- int i, macs[6];
) C- O! k- ^( ^8 R$ ? o) g - unsigned char mac[6];; G0 u+ Z7 K& I7 `' }; m
- unsigned char stbid[256];$ u: ^' [- |0 t5 G- Z
& h$ S4 D) a- y- if (readparam(mac, stbid) < 0)0 f" }& g) C) a' X6 Z
- return 1;
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* Y# Z6 \. K3 U" `" f9 c0 X- printf("Current parameters: \n");/ b! \9 |' T/ Z" a# F0 V
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& L( u* @' e+ g. ^/ k+ X9 M, M
- printf(" STBID: %s\n", stbid);
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# f+ A+ k& P1 f+ {1 L1 z" P; a - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");* H2 X0 [: R* D7 G4 ]6 r; V
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 @# V. g$ P" ]
- printf("Input MAC error\n");) Q, m0 X4 o; E+ J
- return 1;* I, Z% q. _2 v% [
- }: p5 E. `( d' E6 Q
- for (i=0; i<6; i++)mac[i] = macs[i];
6 r- p% P* W% ?9 k- R+ | - printf("\nPlease input new STBID: ");
7 Z, j1 I0 f6 Y4 N( A( e# ~ - scanf("%s", stbid);
- k" V5 m7 @' M3 T: Z% H$ N% _ - if (strlen(stbid) != 18) { p2 c% ?& A7 T+ A0 w" V* E
- printf("Invalid stbid\n");
0 D9 \1 o- \+ a$ y) ` - return 1;- a8 X/ e$ J" \3 E
- }; _8 A3 r" i! o' ~3 L
- printf("\nNew parameters: \n");2 y) {- u& |( p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 x$ w# x/ w7 X/ P* @( M! Q
- printf(" STBID: %s\n", stbid);! r* X" Q( h5 h3 U H$ `
) E1 F% ?: b2 a6 O9 h. [, I7 J$ `- ?- printf("\nDo you want to change paramemters? (y/N) ");3 |' ~" E* S0 R' M) ]
- for (;;) {
8 \* z& S( R/ o7 e4 d# Z - c = getchar();
' [+ u0 \( K3 Y, c* V6 W: d - if (c == 'y' || c == 'Y')" a _% H& B- R9 I) V. y5 e
- break;1 O% @0 C" P- s0 R2 u0 m8 t
- if (c == 'n' || c == 'N') {/ x5 {; G, f3 B1 z, s2 S$ g
- printf("\nAborted.\n");
( k0 v8 f* `# ^. b - return 1;
) N4 y. @6 v- u w3 D - }
+ V9 l( G* g5 O# J$ F, N+ e - }
, \2 _2 K. i' C8 R5 _- S - if (writeparam(mac, stbid) == 0) - h- ^: K1 \" q! ^4 _" J; D
- printf("Parameters changed.\n");
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1 `5 p7 L6 U6 Y/ w0 e- return 0;
0 O( X/ O4 w$ Z1 x3 }6 i - }
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