本帖最后由 0522 于 2012-3-21 23:04 编辑 0 Z v9 U, d: L' Q1 C
) K3 w _9 ?4 M m' U修改的代码早有了。到今天不会编译。: U( S8 Z2 @' R% i% q/ ~+ }/ j: V( @
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
; \. {) Z: }: q0 j - #include <malloc.h>" _5 `, a: R {9 e
- #include <sys/types.h>4 j2 ^8 G5 ]8 i# v* p9 B
- #include <sys/stat.h>
4 ~3 {4 k8 J; m - #include <sys/ioctl.h>6 _5 a$ V2 b7 d$ O- ^: O8 w# o
- #include <stdio.h>7 D% Q( Y, `" M6 C0 E g
- #include <string.h>
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- typedef struct {
" R5 [2 @! l5 P" `+ s2 o - unsigned int e2prom_cmd_sub_addr;* c- y" m4 ~& e! `# |
- unsigned int sub_addr_count;5 g! |# w+ o+ x# }+ K d+ O) F9 ?
- unsigned char* e2prom_cmd_data;
8 i" p I: ?+ j2 C. H+ S - unsigned int data_count;+ E. s! B& {( w2 R. w2 s1 J
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
. D3 J0 n& I. z - #define E2PROM_CMD_WRITE 23 e/ v, i. f4 \4 [5 k: a
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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" ~& t7 `6 [0 s$ q: D- static int readparam(unsigned char *mac, unsigned char *stbid)3 W0 n1 b% c1 J7 n2 ^
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- int fd, ret;
( U$ F z4 d7 F- s( N% Q/ }% X - e2prom_s_cmd arg;
; E' }1 k; y) M, d - unsigned char buf[0x18];7 C0 x% R$ v1 X1 u: e O
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- fd = open(E2PROM_DEVICE, O_RDWR);
6 F2 O% ?! N( i9 j! L& X& V* B - if (fd < 0) {. Y2 H: Q% [; h$ X! y6 x0 E. W0 d; y
- printf("Device %s open error.\n", E2PROM_DEVICE);( P3 ]4 O0 `! V# p* H; h: V
- return -1;
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- arg.sub_addr_count = 2;
0 c$ a! t1 @* w0 S( M5 j! @- ^( f - arg.data_count = 0x18;+ @8 w+ ?0 N6 f2 C; P
- arg.e2prom_cmd_sub_addr = 0x290;
1 W' a9 r& @, I# i - arg.e2prom_cmd_data = buf;
; L8 A5 s* H5 m) t h( b - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- X9 X- ~$ x1 Y: l9 N1 a3 s - if (ret != 0) {
; i8 y/ y! E1 d - printf("Device %s read error.\n", E2PROM_DEVICE);
* Z' U2 G+ F7 p! n+ J - return -1;
# R3 u3 s" s. A& ^6 n& Y* l7 t - }
( X; R2 j2 B8 t3 a3 L - memcpy(mac, buf, 6);' y( C( z( V! ~" K4 G# Z
- memcpy(stbid, &buf[6], 18);4 m1 H8 w1 ~1 K$ O' H8 w0 e
- stbid[18] = '\0';- L' g* f5 K3 H* C9 ]9 e" a
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- return 0;! }! N! w; L' o2 B
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;% W; \0 I' u/ g1 \
- e2prom_s_cmd arg;
/ _% R. W- J, Z+ t2 M1 a2 Y2 t - unsigned char buf[0x18];8 o6 ]7 r( N8 L! @1 E" \
- & j) [1 r; E1 {! g2 q$ u
- memcpy(buf, mac, 6);
2 a+ x; T( a, S - memcpy(&buf[6], stbid, 18);. H! [$ k) X% m+ X4 o9 Y9 F
- fd = open(E2PROM_DEVICE, O_RDWR);+ v; B- W, q7 \6 L6 s
- if (fd < 0) {- W* v! _. I5 q3 U {
- printf("Device %s open error.\n", E2PROM_DEVICE);. y0 A. u1 Y% L7 t s7 I1 @6 F
- return -1;
# Y* M$ B$ a+ r6 f5 r - }
0 B4 Y2 }5 f7 V Q - arg.sub_addr_count = 2;& M$ q! q% n, }1 s& G. J* C
- arg.data_count = 0x18;! ~. U$ h9 v+ ?( x% Q& G
- arg.e2prom_cmd_sub_addr = 0x290;& y: K) s: R6 o
- arg.e2prom_cmd_data = buf;- l( Q5 C H; g8 Q5 {3 Y9 R
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
' t$ t; C: P5 l/ S9 J9 c9 T - if (ret != 0) {2 y: i! {& i8 n3 |
- printf("Device %s write error.\n", E2PROM_DEVICE);
0 V ]' J/ l. \7 } - return -1;* a0 K' X" H9 U5 @4 A3 b
- }
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7 x) x. Z4 m' _7 y0 f- n5 D- return 0;
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6 X* n8 K/ S; j5 L! o2 D- int main()2 e7 b+ K- D- u9 o# U3 C
- {
6 ]8 N: n0 n) E4 o* F7 }" j - char c;" n. Q+ `4 D& j* }
- int i, macs[6];
- A( t8 d' s8 H8 Y# C F - unsigned char mac[6];0 |" U- }* `$ \8 S1 n) S7 g+ f4 ]
- unsigned char stbid[256];
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4 s. b4 \9 i, C% F- if (readparam(mac, stbid) < 0)* P7 k9 i' ?& B
- return 1;) P% `+ M# V: v5 |6 r7 w. U
- 6 ]; i; l0 K5 W) i
- printf("Current parameters: \n");0 ]4 I; p2 p5 c: `! o
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* W7 m& E' N- m
- printf(" STBID: %s\n", stbid);9 G1 d% @( I: k% k4 B
- " W& b# Z: t i2 `- X" P! Z
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");: U% ~* `$ S9 Z/ w
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. x/ `7 o, V4 [4 T- p/ S/ Q+ x0 N
- printf("Input MAC error\n");
T' d+ W$ s0 l - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];% }" Z/ N( ]( u" }
- printf("\nPlease input new STBID: ");1 G% X) Y2 ~9 S$ x2 q
- scanf("%s", stbid);
, P+ I9 a2 X; c - if (strlen(stbid) != 18) {* K, m. S: t7 Z0 H' i2 s: L
- printf("Invalid stbid\n"); o" t9 E7 @9 w) D- [$ R
- return 1;
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- printf("\nNew parameters: \n");; H) e2 j0 Q9 W
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* u; V v$ J9 I2 t. n; M
- printf(" STBID: %s\n", stbid);/ F1 d5 s. c4 b- ?
c0 A5 ] u* g y; X$ h9 \2 L- printf("\nDo you want to change paramemters? (y/N) ");
* p0 E* j6 ]5 j- P9 i7 j - for (;;) {
% `- d$ ~ O _) Z0 t. L3 o - c = getchar();& @& i ?* S- l$ S& Q
- if (c == 'y' || c == 'Y'): B' e1 O/ }) e" t. y6 Z
- break;; \4 H- l J. D A
- if (c == 'n' || c == 'N') {
" s+ X7 j& j5 J6 e; V" B9 {( k0 H7 |. C. B - printf("\nAborted.\n"); I% v/ R3 }+ i. f) T* ^& V5 s
- return 1;
G' a4 y0 x0 U a - }
1 u$ M4 U8 V( ]; m - }
+ z' ]$ F% {2 R9 c - if (writeparam(mac, stbid) == 0)
& g8 s6 K, t% `2 ]( r+ x$ Z - printf("Parameters changed.\n");
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5 N h0 e0 K( H( i/ I w" Q- return 0;
7 a/ @3 T/ J& v4 D; k1 r" x - }
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