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。) L% }: J7 l- h4 H4 ` x! s* C
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* h" j) k ]# `5 q+ ~- d
- #include <malloc.h>
* h E" I, H+ C3 C4 ? - #include <sys/types.h>
, w9 X! w: j0 d0 k1 W - #include <sys/stat.h>+ x# B1 p* r9 \5 Q- Z; W& r
- #include <sys/ioctl.h># \4 j' Q5 T1 ^) n) n
- #include <stdio.h>
' \1 Z/ H, y) h: j! w - #include <string.h>
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- typedef struct {0 k1 K: d; h9 f! J7 j( ~" @2 y
- unsigned int e2prom_cmd_sub_addr;( u1 t' U( L% n5 S' f
- unsigned int sub_addr_count;" X. Z7 \- z* B- p7 x
- unsigned char* e2prom_cmd_data; Z+ l, x* I5 U8 M. f
- unsigned int data_count;
/ v6 K' U2 |- G! s - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
( j% \7 u% k" f, _1 q4 V6 F: a - #define E2PROM_CMD_WRITE 25 [4 \ Q# B p6 a* q% f& @. F& O
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;) P0 ^7 v& R% F9 ~2 B" M
- e2prom_s_cmd arg;% L0 h: C% d5 a, c Q
- unsigned char buf[0x18];5 O6 `' k- F# \1 {( w+ r% j! j
- & G4 ^( u- r& m
- fd = open(E2PROM_DEVICE, O_RDWR);, B4 z' R8 O8 }& [4 ^3 t
- if (fd < 0) {
+ I$ N1 d) C- e6 D' \ - printf("Device %s open error.\n", E2PROM_DEVICE);( T. ~: D$ Z5 U: X- T5 k( O g
- return -1;3 _* Z% l/ Q$ K. O
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- arg.sub_addr_count = 2;+ e% J& f5 d# U r
- arg.data_count = 0x18;
\/ i# x! }/ Q: h& g, C( V8 u - arg.e2prom_cmd_sub_addr = 0x290;
0 w" F: {3 l/ ? H8 C3 Y9 l& O" | - arg.e2prom_cmd_data = buf;& B% @9 \4 J5 t2 S' @% G+ v! p% B
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);; [- n9 N3 R. {# [& O. m
- if (ret != 0) {
6 g, g( y2 J6 L - printf("Device %s read error.\n", E2PROM_DEVICE);
v+ j6 [. `' \6 {1 v4 q1 k5 C! k6 u - return -1;
+ c: c! @" r2 | q5 i3 o& d( D - }
2 l& b+ F# }* O9 \& m/ N1 V) E" w - memcpy(mac, buf, 6);
+ B1 h% e7 N& h2 k+ Q2 j& `: m+ V - memcpy(stbid, &buf[6], 18);6 f+ c1 M) v9 Z) {! Z
- stbid[18] = '\0';5 E- Q" y% G/ S. S2 W7 _
9 C, H/ j6 k" l. Z( K3 i! `/ n- return 0;
; }8 g& _0 ?9 ]' e- ~7 k0 m - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
, t" g; x$ a: x - e2prom_s_cmd arg;/ p% X4 a( y9 _( w: w7 Q, ?/ i
- unsigned char buf[0x18];
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9 y+ t8 G# P! _- t9 ]- memcpy(buf, mac, 6);1 B5 }+ y* F) R) @
- memcpy(&buf[6], stbid, 18);4 A6 t, q+ k4 @1 B" w+ l
- fd = open(E2PROM_DEVICE, O_RDWR);: E0 L. O( K% R, y
- if (fd < 0) {
( U2 N( g. q& s% n9 g7 e - printf("Device %s open error.\n", E2PROM_DEVICE);: A: |6 b% z- f
- return -1;
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- arg.sub_addr_count = 2; v X, y) f5 O9 e
- arg.data_count = 0x18;
, b* X- V; g2 |4 e' ~ - arg.e2prom_cmd_sub_addr = 0x290;
% ]2 q7 P; q: _& b# S z7 F - arg.e2prom_cmd_data = buf;
* I; [; X7 u$ d- F1 u* ~ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ t$ v4 ~+ m, z1 ~/ y/ u" p
- if (ret != 0) {4 Y6 w: p Y O1 }
- printf("Device %s write error.\n", E2PROM_DEVICE);
6 [/ `. B x8 j" I4 H% f) @9 v4 t - return -1;
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- X) I" R$ r3 \- return 0;
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- int main()7 d' K) v. U/ s- q
- {
. l% @9 \( T3 O& }& t - char c;* z( K* ~2 q c9 r' T6 T- y q4 b
- int i, macs[6];
- b8 j7 E( C9 w& g3 ] - unsigned char mac[6];- J* ]: D! V( Z9 L4 V N
- unsigned char stbid[256];2 Y# P, `) h( F! @6 t3 S
: n/ C7 \' }7 g0 L' e2 q( M- if (readparam(mac, stbid) < 0)6 o0 y6 {' \" P/ T: T3 v( Q1 c
- return 1;
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- printf("Current parameters: \n");
+ d1 O# f# P1 |: }: x* w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 R# V' e$ U5 H - printf(" STBID: %s\n", stbid);8 l5 M1 l, B$ I5 D8 u& o
-
* C! ?1 p5 S5 j) [ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 r4 I& n- N4 A: ?7 h* ~+ }
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {( E0 P3 s9 e( V: [+ c4 z
- printf("Input MAC error\n");
_. q2 [* u& \$ T/ j+ [ - return 1;" x0 B) K! n @+ E1 {$ k
- }; V* D7 K5 t0 x( D# D- ]* q
- for (i=0; i<6; i++)mac[i] = macs[i];
' S# X/ \/ Q$ d: M) g - printf("\nPlease input new STBID: ");$ h7 L$ H1 n5 X7 ]
- scanf("%s", stbid);7 ~! d- b% g% l3 y
- if (strlen(stbid) != 18) {, D1 G* b% E, ^" @/ q
- printf("Invalid stbid\n");$ V$ ^' `& T5 N+ r; y& Q* X7 E9 F
- return 1;, [5 |( Q8 k4 d6 f
- }
" p& d9 Y& A+ ]4 H; z/ _# _# ] - printf("\nNew parameters: \n");9 w [- G3 b- j L) ?6 E
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 ^$ ?' c% i. l$ Y6 j' H
- printf(" STBID: %s\n", stbid);
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0 L& w8 o. I$ j5 q* A5 E5 n; e- printf("\nDo you want to change paramemters? (y/N) ");
, U( \0 J( H8 G5 I' { q0 v - for (;;) {) U, Q: ]* x) [6 [5 C: G& @
- c = getchar();8 {3 W5 }0 {9 {' p t
- if (c == 'y' || c == 'Y')
, m" K j" |: H! @7 } E& ] - break;' k" M& S/ y/ Y
- if (c == 'n' || c == 'N') {
0 G% g# g' a6 k/ k% ` - printf("\nAborted.\n");
! I" f' u0 D. w9 \8 i/ S/ j2 k - return 1;
% Z8 h! G% E6 V; e - }
$ [! U: y4 g% b, Q/ I - }
. i# n2 d" j4 w/ X5 I' ~. `, ^8 ^ - if (writeparam(mac, stbid) == 0) ! B5 Y& E( g, U1 |3 k
- printf("Parameters changed.\n");
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- return 0;
& |, B; e5 G) W - }
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