本帖最后由 0522 于 2012-3-21 23:04 编辑 4 S* @9 w+ R8 E( @! k) e
' w8 |: _. C, r' Z# O4 l修改的代码早有了。到今天不会编译。
5 P; t4 j6 X, b+ t" k7 W. k$ B需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
9 c& E+ F9 k- ^) }# W' g - #include <malloc.h>
$ O/ A9 |$ G! X4 T - #include <sys/types.h>
9 ^1 r" `( d! ^& e0 ~ - #include <sys/stat.h>0 g9 r7 b$ X) b0 X
- #include <sys/ioctl.h>6 T& w' _9 h+ r+ a
- #include <stdio.h>7 e& P# ^7 Z+ H: u6 M6 N
- #include <string.h>, f' m+ ]* o* M; O# _
- - ~3 H0 I$ J2 n$ w: }: k; g
- typedef struct {" @/ \8 {) ]; o8 g
- unsigned int e2prom_cmd_sub_addr;
. K6 O' D; S$ H* C# ] ^ - unsigned int sub_addr_count;% A: Q/ u9 K2 ` r
- unsigned char* e2prom_cmd_data;8 n4 {0 K; P. J# ~
- unsigned int data_count;
( D, l: Q7 o+ F8 b% q& ~ - } e2prom_s_cmd;
7 Z# E* I2 S1 Y - $ w, r. r4 r3 n; O& A) e
- #define E2PROM_CMD_READ 1& t3 |! C6 j. Q7 I1 L& y' m4 v
- #define E2PROM_CMD_WRITE 2
) R; i$ r- H6 K! q2 F6 ` - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ C" h* b) u9 D5 [# T
- : a0 X3 m2 @' g+ [9 `7 n) {8 k
- static int readparam(unsigned char *mac, unsigned char *stbid)- Z1 { J9 K' w. H) j6 B
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- int fd, ret;: @8 ]) c- G2 C# `+ \: |
- e2prom_s_cmd arg;
) ~- a/ c5 j' n s - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);( C3 e$ {/ H$ W6 L- w) h/ k. o
- if (fd < 0) {
$ J- m/ v0 O8 T5 }+ H' U - printf("Device %s open error.\n", E2PROM_DEVICE);/ C$ W2 _: I Y* I9 ~3 c
- return -1;
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- arg.sub_addr_count = 2;
' W& f" M6 s5 `6 j8 X8 s O - arg.data_count = 0x18;
0 i: b& j- W$ ~' o4 f. w - arg.e2prom_cmd_sub_addr = 0x290;* j8 K$ |' q; B' v& E* u% D3 u
- arg.e2prom_cmd_data = buf;
9 b8 O3 |1 T, h5 \( _ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 I7 Z. i" y: g! v9 M
- if (ret != 0) {
# ?! f- i: K* `) X0 n A6 x - printf("Device %s read error.\n", E2PROM_DEVICE);
: z, ~9 P0 E: z+ j8 @ - return -1;4 K0 }4 V) F1 x% ^/ C
- }
, ], g5 Q% n5 J1 Q! f - memcpy(mac, buf, 6);% T- n! m$ n6 J0 t, s+ O' F/ \) H a
- memcpy(stbid, &buf[6], 18);6 b; b; u K) D$ P. ], S
- stbid[18] = '\0';) u3 R$ J4 [* {; I& ~ a
- y# l/ s+ Z# z) B" F: l3 X: O- return 0;! Y- d/ S1 {5 O' M, K& q; X$ f
- }# t2 `' A8 U. b: s
; r; D' F' Q+ X+ O% T3 W- static int writeparam(unsigned char *mac, unsigned char *stbid): q! E# @2 r( h/ E
- {
$ x9 {9 |0 T) P% ~) e+ L6 k- u+ P8 U - int fd, ret;
. Z# r" p# U2 k, j - e2prom_s_cmd arg;3 B7 q- P" i& M5 K1 d' I' W* V
- unsigned char buf[0x18];
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3 Y) \/ Y* D8 s7 Q/ m- memcpy(buf, mac, 6);. K a3 J' t C" j7 B# C$ A
- memcpy(&buf[6], stbid, 18);
0 Y s+ H+ A& ~0 F - fd = open(E2PROM_DEVICE, O_RDWR);% J2 Y: U3 O7 c. b6 Q& M+ o& K/ T
- if (fd < 0) {
% B7 ?+ U7 T. @: r0 q [) v6 V - printf("Device %s open error.\n", E2PROM_DEVICE);2 u, J, l, T/ G# D4 W- _( v9 ~
- return -1;) o% o. t0 k( O& W
- }
+ z# ^' w& d& z" H: W1 M* ^0 T - arg.sub_addr_count = 2;
3 d! V7 _' H' z' @: O; d- U - arg.data_count = 0x18;
! e- q, x/ T* o/ \ - arg.e2prom_cmd_sub_addr = 0x290;1 G0 B# i# M+ d, B" g% f$ p
- arg.e2prom_cmd_data = buf;! z. V: S, A6 d1 K6 T2 M
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 v* ?9 ?: L, w) F- Y - if (ret != 0) {
. i! z' m- z& K2 d4 H: `5 z { - printf("Device %s write error.\n", E2PROM_DEVICE);
. x' u5 N& \+ D" o, J5 Y0 p' w7 F - return -1;
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' a+ O7 a" T1 w$ O0 Y8 u# N- return 0;' `7 `( Y! M* e! Q. _% o
- }
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% t/ [, O# Y" x0 y0 i, D1 i- r4 D, f2 m- int main()
* @% Y" c6 ]9 \ - {8 g% ~* H6 }5 D$ \+ V
- char c;
( r, d3 w/ o5 m. ~( I - int i, macs[6];' B' }) @9 P2 ]3 k
- unsigned char mac[6];& b/ s% |1 K& H" Z6 O M- V
- unsigned char stbid[256];& l# b& J1 c* v# P
, W$ _+ Z6 a, W2 t- if (readparam(mac, stbid) < 0)
+ g( @4 [ u% Y. \. e - return 1;$ t0 r# A' D. M( `
- 2 `' p ~; C5 p# C; v
- printf("Current parameters: \n");8 U, F/ l" j3 _9 m2 o Z1 B
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" u1 s- P8 p- l( [4 D4 X/ v S5 @
- printf(" STBID: %s\n", stbid);
, _( [- b5 Q) @! x -
* A3 H4 T* h' T! H* i/ q$ C - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 J4 E5 j9 U B5 d& p
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ ~4 C% t; }$ E9 H6 o - printf("Input MAC error\n");
, I$ Z3 r: ]; g1 J - return 1;* a% o5 B4 n% o: x' p1 b$ ]
- }6 r& X3 t3 C2 h/ w* ?
- for (i=0; i<6; i++)mac[i] = macs[i];% O4 k# c6 O9 }
- printf("\nPlease input new STBID: ");
W5 v9 M3 u4 k; S - scanf("%s", stbid);& C+ V/ c7 y+ Q$ F
- if (strlen(stbid) != 18) {7 w: p: P! l: v% I1 o
- printf("Invalid stbid\n");( G% I i& Z# l- v' U2 z0 H2 B8 o$ m, E
- return 1;
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- printf("\nNew parameters: \n");/ C7 F2 S3 K; m* ?) q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 u# N: i9 Y! w; r% g$ [
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
7 K6 Z5 f0 ~- r8 B, C" G - for (;;) {$ J0 N" C# O# B
- c = getchar();
3 n3 X, Y# V, S - if (c == 'y' || c == 'Y')
7 {3 u* ]( d- b: B! {! @ - break;* h) u7 ~" y3 \, f. h
- if (c == 'n' || c == 'N') {
& i8 t! G3 J( x K, E% n! \ - printf("\nAborted.\n");4 _$ n/ z+ y2 H' D- w
- return 1;
7 m5 I' Q1 f2 w0 O0 t# {, ^ - }
* t# m) r; e0 E: n - }
" R3 J* K9 d$ L$ Y7 g3 ^ - if (writeparam(mac, stbid) == 0) i/ x6 @& B( {! _$ s
- printf("Parameters changed.\n");+ e2 t; n0 a2 F9 \, J
- 7 Y9 K, A% P7 u; `+ C
- return 0;: W1 e2 k! I4 g. `
- }
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