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。' B. K, N! R( E/ H4 G2 r' d
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 R& |7 ~, k" B7 I9 h* g
- #include <malloc.h>& k, V; u2 q9 h8 w. s) A
- #include <sys/types.h>8 e. j0 R5 B" r* s' c/ I, w9 Q
- #include <sys/stat.h>& |2 q2 k6 K3 H; ]+ W
- #include <sys/ioctl.h>
2 k7 o4 q g5 r - #include <stdio.h>7 J. r: @5 R, A) n. R% Q' k
- #include <string.h>) f4 j! x8 E7 m& v. W; v) _
- `' c1 G& U& u$ {1 N( f" ^( S
- typedef struct {
5 n; x+ b0 J: U3 a7 O - unsigned int e2prom_cmd_sub_addr;
2 j- C5 t0 I }* N9 X - unsigned int sub_addr_count;; C4 X/ F8 \( y' M. J) U, k
- unsigned char* e2prom_cmd_data;
; c" R# w& { ?' h2 {* I - unsigned int data_count;
3 i2 P: i- g8 i! R( m F - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1- h7 y2 O. j: f1 ^4 n$ y
- #define E2PROM_CMD_WRITE 2
( a' J3 H! P$ I! \$ ?+ o7 F - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16". B: i0 ]: ~3 T h
g# f' ]$ W6 V- ~$ ]8 @- static int readparam(unsigned char *mac, unsigned char *stbid)0 Y2 G7 t3 m0 I( H1 j
- {
% @) a( h) V8 `4 u5 I' q$ L - int fd, ret;# z1 w6 u: v7 d) k
- e2prom_s_cmd arg;1 |+ i3 n, P2 R! P1 Z7 U) |
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);; F6 x p, A1 p: p, k4 w0 {8 F
- if (fd < 0) {; v; V# Q# a' j- C
- printf("Device %s open error.\n", E2PROM_DEVICE);- q! K9 [" r$ I8 C- M( q0 `) F
- return -1;
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- arg.sub_addr_count = 2;
- F8 [; _* z& _% G7 D- q' q - arg.data_count = 0x18;8 I0 @1 l: q( D$ }0 ~
- arg.e2prom_cmd_sub_addr = 0x290;
9 ]* O$ L. T* K - arg.e2prom_cmd_data = buf; a: F. X6 N' c
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- z# x, T8 {; u6 Y: _8 p# r - if (ret != 0) {
: }* H( y2 {& N1 p; B - printf("Device %s read error.\n", E2PROM_DEVICE);
% m# s$ i/ v: ?# B* D - return -1;
Y& z* ~; d' O- d - }
$ p9 T6 F g9 S1 Q. _ - memcpy(mac, buf, 6);
. r" f e1 a( V% J( f$ @: \ - memcpy(stbid, &buf[6], 18);
( y& _; ^4 _% ? a - stbid[18] = '\0';
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
/ g- ]% s9 P/ C8 s - {
1 e5 c' n5 |0 Q- e* T8 U( V/ U - int fd, ret;; _- J* L. w: [5 X
- e2prom_s_cmd arg;
1 y |: A4 j9 t. y8 Y - unsigned char buf[0x18];
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& ?# y- U" _& X) m- memcpy(buf, mac, 6);8 A) u0 G T/ w! w8 M3 L
- memcpy(&buf[6], stbid, 18);
. W$ g. w) U/ V% f( K& I. j" y - fd = open(E2PROM_DEVICE, O_RDWR);3 B/ K: L0 C2 N$ Q
- if (fd < 0) {8 d% X* w3 _ K& K
- printf("Device %s open error.\n", E2PROM_DEVICE);
5 e( y2 O2 K* ~% {# Q - return -1;
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- arg.sub_addr_count = 2;; S- Z" p2 F+ S+ x5 E& y
- arg.data_count = 0x18;
. ]% Y( V) Y* Z6 n& ?( ] - arg.e2prom_cmd_sub_addr = 0x290;
- H3 Q4 x7 b5 N! m7 q! X" r5 z - arg.e2prom_cmd_data = buf; d: J" n( y7 y$ R1 n, F! L
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 E6 ^1 I: G w3 c5 u, h: K
- if (ret != 0) {1 M2 R! @- n0 M2 \
- printf("Device %s write error.\n", E2PROM_DEVICE);# T$ M' C% ?- z5 d6 f" V* G! i
- return -1;
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- % k+ v6 ~# p+ p
- return 0;
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$ l9 |5 d2 o- Z# N1 [- int main()
5 r) x( x5 G4 P& y d, | - {! W# i2 [. D. d7 y* j
- char c;
' i* h7 {3 } H1 }0 H/ @& T% g0 X - int i, macs[6];! k# m4 { a! z4 `5 D* |1 a
- unsigned char mac[6];8 v5 N$ s9 L) C% z2 T
- unsigned char stbid[256];+ c3 y0 b+ F0 e; r6 D3 }
5 Z' j/ c% k; l' {4 N- if (readparam(mac, stbid) < 0)+ ]& F; x6 M. r; X" l; C
- return 1;" I( T- C6 I4 Z+ C, K8 w, ?
. o* j; H" k3 w; S- printf("Current parameters: \n");; W% Q1 f' @$ n z+ r% i, l; ]
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 Q" R: {3 c2 J3 p) c$ y$ K& @7 {
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ ]) P* `! F+ V: J9 u" I& @. n" E- D
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {' C$ ?) j! m. f
- printf("Input MAC error\n");
# p$ l! O+ e0 M1 c - return 1;% S* n& q. B5 E
- }
# ~0 ?6 d8 N3 j8 c) \ - for (i=0; i<6; i++)mac[i] = macs[i];' q' T6 Q( g! j& C
- printf("\nPlease input new STBID: ");
0 v. u. c3 L# ]4 } J+ i - scanf("%s", stbid);
& j! b" E, @3 D - if (strlen(stbid) != 18) {# v$ j0 o- {9 T! m* r/ ]% C
- printf("Invalid stbid\n");, O9 i. j/ ~5 m: Z/ j8 G! d
- return 1;
% J' W/ O: V: l1 E U - }
+ H4 h7 o* I V$ B - printf("\nNew parameters: \n");
: h7 Z6 Q. o" s- R u2 P# T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ G$ l) {+ E6 {1 n/ Q/ J8 w; t2 `
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");, A! j2 N; h1 [& Z: `# j
- for (;;) {1 v/ c& \! T% V' B
- c = getchar();7 g8 T/ ]5 [5 }$ a+ F! ~
- if (c == 'y' || c == 'Y')
& ^% a2 K) ^ B& d - break;
7 N6 Z5 d5 X x* Q2 m - if (c == 'n' || c == 'N') {
; t3 s/ r4 b8 i5 H0 u - printf("\nAborted.\n");* ~+ b; S9 ?6 |( ]6 m
- return 1;9 W, F8 _' R7 }# ]
- }
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- if (writeparam(mac, stbid) == 0) 9 F9 }& P! M5 o+ u+ v
- printf("Parameters changed.\n");
/ i8 e/ [7 W" a/ i" K - 1 R9 O9 s3 i9 \
- return 0;( b7 x L4 r( o' ~4 U# a |4 c
- }
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