本帖最后由 0522 于 2012-3-21 23:04 编辑 ; x$ v. @5 U. Z5 Z3 I
9 m$ f' K; a: a9 d修改的代码早有了。到今天不会编译。/ E; f) r; N6 ]/ o
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) E; D) r$ B5 A _# X
- #include <malloc.h>
- k* @( @- Y0 X0 I; \5 I - #include <sys/types.h>
5 {/ p* `) U' s( n/ Y- Z* A - #include <sys/stat.h>
/ Y- B* ]& J9 x) ?) i* ]% L% Q - #include <sys/ioctl.h>
7 l; X- E; u. [ Z( K5 h) D, M7 ~ - #include <stdio.h>- _- q% W; p) T
- #include <string.h>
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, A' l/ d9 s" Y! F6 [- typedef struct {- f- T2 j" E p3 O9 J, X
- unsigned int e2prom_cmd_sub_addr;1 k7 Z" J; {: X/ J* F+ }
- unsigned int sub_addr_count;
) c4 s. N c4 D& O3 u+ Z% f# a# a - unsigned char* e2prom_cmd_data;
- \3 O1 H0 n5 T2 W1 F/ z - unsigned int data_count;
5 A. m$ }) w( H% n$ ]3 L; l: w- | - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1. R% \1 q" F* U, F# k* t5 X
- #define E2PROM_CMD_WRITE 2 y: }" z1 O: q/ ~0 J, `: I9 N- B
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 d8 `. H: F4 t
- - A+ p! l, y+ O$ {& J8 _6 F
- static int readparam(unsigned char *mac, unsigned char *stbid): I1 x3 z" d) y- b3 C& y
- {0 `: t, m( O6 N! G
- int fd, ret;
$ W! `) }+ `" S' j - e2prom_s_cmd arg;9 f4 Q) j( [( s
- unsigned char buf[0x18];! X$ A2 O- g8 G6 o" t
- 0 Y3 C" c A6 C
- fd = open(E2PROM_DEVICE, O_RDWR);# m9 S |3 B! K' ~4 o/ u
- if (fd < 0) {; V/ F7 K3 k5 }1 J) X
- printf("Device %s open error.\n", E2PROM_DEVICE);( H3 Q5 k0 u& [2 H
- return -1;/ r5 S! L- X7 K% D
- }# a. d- _# t1 j* B
- arg.sub_addr_count = 2;
& i H+ t# T5 w: x - arg.data_count = 0x18;
6 H) j4 k! a _2 G) R* Q$ k n - arg.e2prom_cmd_sub_addr = 0x290;7 G$ n& t- ~' x8 s* |# Y: k) b
- arg.e2prom_cmd_data = buf;
6 q: T: L* O+ S/ D. e, ? - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
% G' S* }- b! m+ A# K k - if (ret != 0) {# K7 I( [ a1 x/ U# j( c- K
- printf("Device %s read error.\n", E2PROM_DEVICE);
$ p# d0 S2 I \4 z: }' O& q! Y* ?; O - return -1;0 o) K7 {7 \# ]& @" N) w( U
- }, s8 M$ x. d2 q$ l; H
- memcpy(mac, buf, 6);5 e+ V0 c: M% X6 P0 A# a, @
- memcpy(stbid, &buf[6], 18);& \) w0 M0 h+ A
- stbid[18] = '\0';( }; R. {! U! X; A
- " S& O0 o. K R7 ?3 ~/ u) B
- return 0;( w6 ?2 E4 p4 b
- }5 p& j1 R, O' e' U
- - N( t* z: b4 T, _* s( o) G- V- k
- static int writeparam(unsigned char *mac, unsigned char *stbid)4 r5 m# L2 d0 w
- {
5 n' Y A* Z3 N: |! v - int fd, ret;
& x4 Q1 d: s$ r6 ~* H8 h - e2prom_s_cmd arg;
, d2 @0 P7 h, M8 y- N0 W8 F - unsigned char buf[0x18];; K! ]- y0 `! h3 q
0 M$ `& x) T- C. v/ b3 v: t- memcpy(buf, mac, 6);! q2 k- T5 m7 z1 c5 p6 f
- memcpy(&buf[6], stbid, 18);% w* a5 A- Q: g
- fd = open(E2PROM_DEVICE, O_RDWR);5 u0 f! f+ k/ ?! M$ E" U: `
- if (fd < 0) {
6 T' {1 c3 {: U2 V- @ - printf("Device %s open error.\n", E2PROM_DEVICE);
7 P6 W+ \9 T/ q' |" k4 } - return -1;
0 @+ _) A/ g0 ] - }
) H4 b! ?( W5 b: ? - arg.sub_addr_count = 2;0 V. n( S( [8 w1 T* ?
- arg.data_count = 0x18;3 T2 Y; z2 Z+ v- \5 Q8 M( K
- arg.e2prom_cmd_sub_addr = 0x290;
& b( z$ }4 K: t( F - arg.e2prom_cmd_data = buf;9 ~8 W: T+ [/ q0 [5 ^- A1 k
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 |; r* }( G1 H2 H) x2 N3 D3 u; g - if (ret != 0) {
( J2 c4 I6 d; |5 U - printf("Device %s write error.\n", E2PROM_DEVICE);6 k; e+ P0 g1 j! x/ h
- return -1;
) h m" |. |! @3 c$ d' s - }3 o# a# J6 ^* `" U! s# p- I/ }
- . F5 v/ \( h; I: D
- return 0;
2 A# O; L# M2 } a, U - }
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- int main()8 @* {, [0 j6 G7 K7 P7 w) S% g
- {
! G g( u( y+ d- } - char c; o' f3 `. f8 j' m% Q- Z" _
- int i, macs[6];8 y) Q, Z6 l/ K' R+ z/ z- b! y
- unsigned char mac[6];- Z) P; [& I+ f( s- n
- unsigned char stbid[256];0 d0 J$ \: P5 `! t, q: w
- 1 _6 k7 C/ d5 S8 |7 O6 D) W, ~
- if (readparam(mac, stbid) < 0)
0 v; d* m. d% @& a. b - return 1;
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- printf("Current parameters: \n");1 y: F: X6 b5 T' f+ c2 M
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 q8 n' G7 L- D% b: r, p - printf(" STBID: %s\n", stbid);: j. z4 Q$ `6 L0 J
-
3 o: d% ] Z4 C- w5 m - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% U6 t( n3 |1 r - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 x( B$ @* T( C3 y3 I0 s
- printf("Input MAC error\n");
' u6 R$ q4 Y! f: W) q - return 1;3 H$ O7 ^8 y& S
- }
, K& \6 }" x' m2 b - for (i=0; i<6; i++)mac[i] = macs[i]; F+ R; t+ f B9 v: Z& ~
- printf("\nPlease input new STBID: ");
" T) S& R5 N- J" V$ a2 p) o - scanf("%s", stbid);
5 H$ c' q( }+ \/ ?9 f% M& g5 ~ - if (strlen(stbid) != 18) {' ]* x$ Q- c, k; ]9 s
- printf("Invalid stbid\n");
; ~+ m; }7 w" z# b# { - return 1; @6 y1 o' ^) H* g
- }
+ i$ m/ Z1 _5 D* ~/ \. t - printf("\nNew parameters: \n");5 |) m! |6 z! f' T% j0 ^! ^: ^- ?" T- M
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 X0 Y3 y. K* E2 v" v" { - printf(" STBID: %s\n", stbid);/ m) Q5 M, E( u! ?/ r( S& u
/ W2 h) s8 b9 D- printf("\nDo you want to change paramemters? (y/N) ");2 r0 W" I* Q% ^$ s
- for (;;) {/ ?7 x7 u- S8 P6 q/ l1 e5 r: y
- c = getchar();0 U$ a' e* o Y$ g3 K, s
- if (c == 'y' || c == 'Y')1 f4 I4 d9 A& P* p; D0 s ]
- break;
( A$ o% j0 r6 Z; g3 b& K8 _4 M - if (c == 'n' || c == 'N') {8 S( X- M' |. r ]8 u1 ~
- printf("\nAborted.\n");
$ x9 f; y, f! M% C3 T/ u- @ - return 1;
" T/ H3 S% G3 o4 |0 o. g" z6 D1 A - }
! ?- {" k' ]& h) M: ]% |! K5 c, h - } n( f" {( |, z0 d; u
- if (writeparam(mac, stbid) == 0)
/ E* M, Z8 b: Z% @6 ]9 Y - printf("Parameters changed.\n");! C' y. b5 { L7 e$ E
! I, v- ~# P% R! J5 T* A: b- return 0;
4 X# e! N! y& @ e" }8 X - }
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