本帖最后由 0522 于 2012-3-21 23:04 编辑 ! u) t! T3 K5 X
9 p5 I) O, }8 a6 O8 f! n/ R
修改的代码早有了。到今天不会编译。* q9 v0 m9 ]! t9 U) Y4 h: h
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
* j5 Y$ i4 ^* `) } - #include <malloc.h>- f: s0 ]9 x0 ^* f+ r! g" A
- #include <sys/types.h>
8 m, X' |7 W! F' ^ - #include <sys/stat.h># I& ^3 j' ~ M
- #include <sys/ioctl.h>$ }2 X2 a+ ?: t* K% s. |+ k9 x) ?3 E
- #include <stdio.h>* g" U4 h+ b3 x$ Z3 l# e! r; K7 s0 Z
- #include <string.h>7 Q2 u' I3 a' ?
- & e. w& S2 C, R* m- a8 a, K
- typedef struct {
) C; |1 _/ R% {- w6 T' L - unsigned int e2prom_cmd_sub_addr;( A6 B% A& g' f+ p& W2 m
- unsigned int sub_addr_count;
" Z3 z! d' B, T! D - unsigned char* e2prom_cmd_data;% J/ W& C1 w5 c& B& A
- unsigned int data_count;. J, u0 h$ _( W/ Y
- } e2prom_s_cmd;& r3 t! M& B. s7 l0 ]4 X o3 m
' _' ?" ^3 c5 O- #define E2PROM_CMD_READ 1$ B9 n3 f# i+ I8 W
- #define E2PROM_CMD_WRITE 2% Y7 N) ^$ S d: ^
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
. w. B4 z! b/ f - ) D3 [$ ?9 L, `! l- O, h1 Z
- static int readparam(unsigned char *mac, unsigned char *stbid)
2 `7 {4 g' k- Q* L; B4 j" ]. A - {
8 W, b! E8 p" Q% S$ @; `& X8 I - int fd, ret;0 P3 B6 Z+ |3 [; w& [6 `. F
- e2prom_s_cmd arg;9 {8 e" k1 _0 N) h- x5 l
- unsigned char buf[0x18];% g. w, ]$ I3 z5 j0 {! C8 ~& V1 S
- 7 s; E/ o Z8 \3 |$ ]% z. N. h; Z" f
- fd = open(E2PROM_DEVICE, O_RDWR);3 _$ D3 s1 g1 u1 r9 D
- if (fd < 0) {
3 Z4 v. @( | K! b- d - printf("Device %s open error.\n", E2PROM_DEVICE);
4 V6 ^- ?' E: b2 K$ } - return -1;
8 k/ k; f5 y9 e. K% l - }! w' R- z7 @4 l* @* W$ z
- arg.sub_addr_count = 2;1 r8 ~% t0 O4 f$ X. C
- arg.data_count = 0x18;
9 _2 z" g: ? |/ j - arg.e2prom_cmd_sub_addr = 0x290;; [* T% i- c& {
- arg.e2prom_cmd_data = buf;' {- D. h: M: } v, }& g( o$ Z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ _. H. M- e) r! x) R/ |
- if (ret != 0) {
. ]' g" h8 ^5 r& s S% Y - printf("Device %s read error.\n", E2PROM_DEVICE);, t4 G* t7 X9 u% q5 J5 G$ ]/ I/ F
- return -1;3 x! D5 d8 o, X: K, o! ~
- }7 `) I" M: y5 k0 z
- memcpy(mac, buf, 6);
; \5 m0 U+ J/ y" t - memcpy(stbid, &buf[6], 18);
* V8 U& @) ]* d0 f/ L$ x- x, H, h- y - stbid[18] = '\0';! f+ \9 Z; f: \( V$ U# E
- - H, K) w& k1 h3 w5 t/ i2 @; }$ |
- return 0;
+ w* f4 K2 q, }/ Y" N/ n - }
2 u2 J- d) ]; L' c% N9 E
3 S/ W/ E6 V) z% c7 V4 v- static int writeparam(unsigned char *mac, unsigned char *stbid)
& Y1 H( a+ ^# R" r$ Y5 `$ a$ z. \ - {$ a5 l- c' N0 b. d
- int fd, ret;. n+ q1 k; Q6 ?3 ]% j
- e2prom_s_cmd arg;
" O3 ]& [! _+ R& l - unsigned char buf[0x18];; I+ w% ~: ]/ G0 c. P) K6 W7 r
2 N: j* P' T! G9 m- e- memcpy(buf, mac, 6);. `) E1 m3 C# R1 f* }7 Q
- memcpy(&buf[6], stbid, 18);
& A& S- K* A& j) r3 T5 b - fd = open(E2PROM_DEVICE, O_RDWR);
, m" n9 f2 |3 ] - if (fd < 0) {( ^8 x1 [; L; l, ~
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 t* _7 `7 h( k3 }1 ? - return -1;
- Q4 f* Y3 ?8 X4 h5 U4 ]* o - }! [, B% d. }( `4 ^- }
- arg.sub_addr_count = 2;
: q/ t: M8 A* F" b - arg.data_count = 0x18;- g1 K0 x0 D% @" p+ P) p
- arg.e2prom_cmd_sub_addr = 0x290;' K- G* r' {- i) o5 F. ^
- arg.e2prom_cmd_data = buf;
T% N5 _5 s7 f3 p3 f. M: s% \ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);* a0 m9 b- C* U& k2 W( F9 J$ }- k
- if (ret != 0) {
; L9 M' \/ u2 x- A" g - printf("Device %s write error.\n", E2PROM_DEVICE);5 U- B: j) x! f. m/ Z$ [1 R5 U
- return -1;' x& A' Q* i! R- I) Q9 ^
- }* Q7 u8 E4 Z8 e/ [# [
+ h$ ]3 @& B+ m ]; z; s- return 0;9 e# g) E& J3 `& u4 q2 X
- }
: O; N2 z/ G4 w4 ^4 D: G+ H: Y F
$ `: w _" O: V- int main()5 L6 h$ ~+ U2 g# m) g
- {' m" y) o" k6 j, Q
- char c;
/ a9 j2 H1 t, f3 \: A& l - int i, macs[6];0 S% ~7 n% U- x' J% V
- unsigned char mac[6];- T8 |9 y A7 B. _
- unsigned char stbid[256];
2 s: m; \: B5 l" U- r6 h3 e( x
1 C$ Z! O1 c5 ~5 Y+ o0 Q- if (readparam(mac, stbid) < 0)$ ]% }3 U, _ t2 D7 I7 O
- return 1;
: G) ]6 x0 t1 E
( u" `5 r# T8 S. F- printf("Current parameters: \n");
1 y" V1 z- {( A8 A F9 E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 Z f l; {9 v, ^+ u; N2 b
- printf(" STBID: %s\n", stbid);
; L! p i% U' I -
5 s7 {: q) k, G9 ~3 w - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 C5 P; H, y1 O/ M1 _3 {
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. q2 w& Z# Y3 l7 ?
- printf("Input MAC error\n");
0 `4 r6 R$ \3 q! C! P3 u - return 1;2 T- B" h! l% \0 @& t
- }/ i' [0 W6 u- H& _" x4 N
- for (i=0; i<6; i++)mac[i] = macs[i];3 ?- ~) d$ c, e9 B+ b
- printf("\nPlease input new STBID: ");8 L7 {# Q9 |) {
- scanf("%s", stbid);
$ C$ [$ D, v9 Q: g! B( ]9 b8 X' V - if (strlen(stbid) != 18) {
6 \6 k q" n7 F: i - printf("Invalid stbid\n");- H, k& |8 R3 C( e
- return 1;
5 q! \* U/ y9 A1 w - }
% B! D! m( \, r6 j% W - printf("\nNew parameters: \n");# p- _5 n* D5 i$ p1 M, H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( u4 m O1 ~+ ~7 i) L! g1 i4 Z - printf(" STBID: %s\n", stbid);
* J ^: U! J2 D& K% \ - * P9 G' [6 a+ B5 Y6 o( Q
- printf("\nDo you want to change paramemters? (y/N) ");, l! ]4 U2 }' o% S' w! J! ]" z; }
- for (;;) {. h4 s8 }) {4 {5 P) I i; O4 C! ?' e
- c = getchar();
! y3 E1 R, w, E$ Y - if (c == 'y' || c == 'Y')
2 _- k. R9 }1 ~) q+ i0 ` - break;: j( }8 O( X5 W3 R3 [) G
- if (c == 'n' || c == 'N') {- v* q. {; k7 d* _0 c$ U
- printf("\nAborted.\n");
+ ^ o; g8 W9 y3 b( K: x4 a - return 1;/ y7 t9 ~. R' K3 P% D) F
- }
% v; a U7 n" @ N+ X - }$ w2 `- b$ G( q# {
- if (writeparam(mac, stbid) == 0) 1 M" Y) M4 G5 ]
- printf("Parameters changed.\n");
o7 ]! M. m- o+ b+ G8 b - : P2 [, r, v/ c1 @- C4 ^9 j
- return 0;
+ e o. m1 j8 V8 O$ `9 D8 @ U - }
复制代码 |