本帖最后由 0522 于 2012-3-21 23:04 编辑
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6 x. V9 S8 w3 h" t1 K) ?! `修改的代码早有了。到今天不会编译。$ [6 e& v! w: ]2 ^% ^' i6 ~
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 d' v) a# S- ]' ?* Y
- #include <malloc.h>
7 [4 o% I, B5 g8 V - #include <sys/types.h> `& e( T( [, b
- #include <sys/stat.h>
8 j. ]1 C7 N I4 u - #include <sys/ioctl.h>$ V1 N! x! C) u" [
- #include <stdio.h>
0 W1 G- F1 K/ P - #include <string.h>7 a) M! j) K G2 x& V
- - W& _1 a) e/ w, R
- typedef struct {
2 ^( M, F1 q* b) f( L% _4 ]9 S4 z - unsigned int e2prom_cmd_sub_addr;
, b' r; H6 y0 K5 W" q, x - unsigned int sub_addr_count;7 E+ L4 E. A" M% f7 @* p
- unsigned char* e2prom_cmd_data;+ L4 z( T5 V F( w: Y Q) \
- unsigned int data_count;
8 L( _! @, X4 i7 g0 V' A) n - } e2prom_s_cmd;' x8 P6 F* z& c/ j+ R2 L+ i5 T
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- #define E2PROM_CMD_READ 1% y: ]# ^4 {& M2 r
- #define E2PROM_CMD_WRITE 29 H3 C, O( L3 P: l- |2 W) n
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)+ @6 v) r5 F) x# w7 B1 m
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- int fd, ret;8 |4 ~+ ]) _% l0 v
- e2prom_s_cmd arg;5 t) Q9 u3 f) u" U5 y" P( ]
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);! W6 Q* G4 [1 F; @( N6 M
- if (fd < 0) {
5 f+ [- @! A7 h1 v6 [3 g% f9 V - printf("Device %s open error.\n", E2PROM_DEVICE);
" Z- D0 [6 i: G! ]7 s - return -1;
7 F$ {3 x$ L. Z6 f$ p) I- ^ - }
, j4 J9 l) c. ]% n1 I - arg.sub_addr_count = 2;
+ j9 T w1 r' [8 s8 ~ - arg.data_count = 0x18;7 M# X4 A' l. h' b4 S: k7 J
- arg.e2prom_cmd_sub_addr = 0x290;6 m% g& ]4 Q7 U5 ~
- arg.e2prom_cmd_data = buf;
6 H0 P3 q$ ?- y2 W' V- D/ D - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
+ d: x: _9 k1 o, C - if (ret != 0) {
2 r$ H/ I8 I% H% w - printf("Device %s read error.\n", E2PROM_DEVICE);- L' k% H% v' m7 Y7 p
- return -1;
) B/ n/ c7 F( v9 a - }9 u; m- U) I2 j( f0 v9 ?3 E; \' {
- memcpy(mac, buf, 6);
7 r7 @( s: ?1 R, H. _' S - memcpy(stbid, &buf[6], 18);
3 K( x( s, g% Q" q( \8 L8 B9 C - stbid[18] = '\0';
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+ K+ Z \; {2 ]3 `: T4 m! @4 Z* m- return 0;% d8 M( X6 j: F
- }
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) d! E7 Y$ A9 f. p% }- static int writeparam(unsigned char *mac, unsigned char *stbid)
! M/ o) w" l5 a. B - {" @5 M1 ~" L$ t8 s% a6 ~
- int fd, ret;+ c) i1 M7 N+ D) k$ ^0 t9 B
- e2prom_s_cmd arg;
) o9 u9 f; ]1 ~! [$ r, f - unsigned char buf[0x18];4 `- b5 F) G% j2 j: f' D, M1 e: `
5 D i4 D7 Z; \7 j3 }' E1 P- memcpy(buf, mac, 6);
$ }$ U$ ?2 D7 C - memcpy(&buf[6], stbid, 18);
i7 [' i+ W! A) q - fd = open(E2PROM_DEVICE, O_RDWR);
+ U R7 M' @8 W8 w, e7 v6 E' h - if (fd < 0) {, ]( ]7 M* D6 r) A. Z
- printf("Device %s open error.\n", E2PROM_DEVICE);
, z* P6 ~ k; t1 F) M6 ? - return -1;* W& A3 |/ `! _+ X2 l, L
- }
0 H$ o2 d" C' Z7 R - arg.sub_addr_count = 2;, _! Z9 v0 I/ Y* o! D9 K; ~
- arg.data_count = 0x18;6 J; j& Y9 ?8 k2 u' b, a) e0 }
- arg.e2prom_cmd_sub_addr = 0x290;
; t* Y& U5 G/ P& \+ Y - arg.e2prom_cmd_data = buf;
1 P& ?5 G7 M. N. h2 l3 N - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ P: F9 J; O% Y o$ T! C
- if (ret != 0) {3 q" Y( V x Z1 p
- printf("Device %s write error.\n", E2PROM_DEVICE);8 ?- c+ p2 E' D6 u; b
- return -1;
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2 y% v; Z( J1 A+ O8 c+ Z$ X1 ?- return 0;
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- int main()
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- char c;
! I4 d- e& O9 d$ x/ U - int i, macs[6];
) @# q# k8 K, e* R& s7 p- [& B7 L% r8 c - unsigned char mac[6];5 d, [; e, D! q( b! ~/ I
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
# N* f6 v4 R `9 T& c - return 1;! G9 E8 P* T9 [0 b' o: r
1 V, q9 \% _0 [; N- printf("Current parameters: \n");! g1 s4 e+ v4 F# v( z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 a. Z1 O, d4 Q: S - printf(" STBID: %s\n", stbid);
k3 s5 z0 G. u o -
8 r5 @- D9 O6 k" F2 p" b - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* q3 m; C/ l3 e- T5 [( l; T - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) K: m' f% |5 F7 B( G
- printf("Input MAC error\n");$ z5 o4 C+ U0 V9 z2 O4 }8 u0 s
- return 1;
- j/ U5 r: V) ]0 R9 M2 w - }
/ x* d- s) _; ?; C5 o - for (i=0; i<6; i++)mac[i] = macs[i];
" P# v$ n5 }& a3 h7 d' W - printf("\nPlease input new STBID: ");8 \- G# ]: n( w2 E/ r7 o ~- W
- scanf("%s", stbid);
3 v1 A2 k) D: G/ _! Q/ b" o8 t8 a# n - if (strlen(stbid) != 18) {
t8 o ~' a7 [+ n. e1 T - printf("Invalid stbid\n");5 E# s: J, |2 g8 ^
- return 1;6 A$ V2 z0 c' v' K5 T
- }
. t* `: K3 K' b3 J! I3 a - printf("\nNew parameters: \n");
% ]! {. r: j; t% D. I6 u - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ n; N2 U6 w; m) O* [9 | - printf(" STBID: %s\n", stbid);8 v; B. I; b% {2 j# {: w
( [% S& X6 u" d6 C3 A4 J# L- printf("\nDo you want to change paramemters? (y/N) ");
4 m8 c) b' {! \ H% q% \' C) L" K - for (;;) {' w2 T9 N8 @- `+ V0 e# s8 n
- c = getchar();: A& m0 F7 O$ [9 U/ E
- if (c == 'y' || c == 'Y')! s0 L9 J* X5 h- T" o7 @
- break; x6 e$ F6 z! X3 y9 S
- if (c == 'n' || c == 'N') {0 T! m2 j) _7 E- F; T2 v
- printf("\nAborted.\n");- K- S" E+ l. f% P0 k
- return 1;/ X7 M4 }/ `6 u0 D
- }
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- if (writeparam(mac, stbid) == 0)
' i' z0 g8 J+ A - printf("Parameters changed.\n");; B9 s* p/ A( w6 e+ @9 S
, i- i6 s: g7 ?4 M- return 0;6 z5 n& v4 R! N
- }
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