本帖最后由 0522 于 2012-3-21 23:04 编辑 + N, I: r) U0 ?2 Q' y" i4 q
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修改的代码早有了。到今天不会编译。
$ ]; Y, w6 f# M8 y! v需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) z4 X# A. z: J0 U
- #include <malloc.h>
% H& R3 z; J2 v- I - #include <sys/types.h>0 A! ?4 ?0 c+ V0 p _
- #include <sys/stat.h>
! n# ]* t3 a# Q. o5 A* V4 v - #include <sys/ioctl.h>
W8 L" x2 q8 `8 j! g; G8 q: p - #include <stdio.h>
- I0 E! c: x, e. Q9 ]( t - #include <string.h>% V8 P1 K, x! _
- . H3 ]' h, f' [* j) f
- typedef struct {
. i4 j# b, x; p& P8 Y" S - unsigned int e2prom_cmd_sub_addr;
/ @/ m& n* `% y L - unsigned int sub_addr_count;( t' V6 M! \- D
- unsigned char* e2prom_cmd_data;
" |; v9 E% c: O. x9 F$ u0 D - unsigned int data_count;
; X$ d5 h2 e9 }8 k- a( [: p- N6 M - } e2prom_s_cmd;" f1 t8 X5 P% `6 Z
3 u4 h+ O2 {3 W0 A7 [0 x- #define E2PROM_CMD_READ 1/ h/ u' I; I6 \: b/ ]# }' J
- #define E2PROM_CMD_WRITE 2 P& k$ c/ D* ^2 I' q0 ~
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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2 }( W4 L- x+ K# o) f* i6 l( I- static int readparam(unsigned char *mac, unsigned char *stbid)
4 s. `' e# d3 h# G* t' n k; r - {6 G) r% j9 b d" n5 K
- int fd, ret;
! h) V. i: v9 G1 i9 [, o - e2prom_s_cmd arg;
% R4 p: t+ k0 p- a - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);2 p3 }) j" O, s
- if (fd < 0) {" t% K; H" a) H
- printf("Device %s open error.\n", E2PROM_DEVICE);8 E. k2 p; u4 T) Q
- return -1;
/ ]$ B" k$ Q$ r - }
( E# u7 U6 m" T- B! _ - arg.sub_addr_count = 2;
: @! R' j$ x) i7 U - arg.data_count = 0x18;% }/ [8 u: H( F6 e: V
- arg.e2prom_cmd_sub_addr = 0x290;
) @6 B1 T+ I! E3 {/ h - arg.e2prom_cmd_data = buf;2 l% W. g+ U5 s2 x/ j
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 F9 W$ B; P# G- Y6 P |- T
- if (ret != 0) {' K1 h' S: N1 ~
- printf("Device %s read error.\n", E2PROM_DEVICE);, X& c Q0 \% D9 k; D2 q
- return -1;" k) J& ^6 c& Z" g# v
- }7 t# K; g2 D! f: b5 H
- memcpy(mac, buf, 6);8 u4 C9 `0 a* A& P& n- |
- memcpy(stbid, &buf[6], 18);. k5 w2 m: J; h: R5 A
- stbid[18] = '\0';: }- z3 y% [0 j& L" Q a) e3 R: U* V
- 0 q. ~8 h' A3 u& [9 H
- return 0;
- A% N# }1 ~7 L/ A% m$ Z - }
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1 S% g- S- l! b) t* i- static int writeparam(unsigned char *mac, unsigned char *stbid): |: G2 z5 C) b/ q" w {
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- int fd, ret;6 m/ {+ X5 q& a' d) H0 y
- e2prom_s_cmd arg;. O. i/ `$ V A; ]$ o* L
- unsigned char buf[0x18];5 E7 ~! I. q8 e, H
- 3 ~) j0 i& [9 H0 i
- memcpy(buf, mac, 6);
- U7 K8 T' u; D6 h/ O - memcpy(&buf[6], stbid, 18);
J% X; J7 ?* H e+ K - fd = open(E2PROM_DEVICE, O_RDWR);
" v8 B8 v g- E2 ]# w - if (fd < 0) {
. O' C) I2 Q, i9 M: @0 ]+ f - printf("Device %s open error.\n", E2PROM_DEVICE);( ?* ~. u1 F% i2 s! s2 G+ C
- return -1;
3 g2 [% g' k f( } - }
% I& W( g" d4 p" z, L! J7 @( `3 W3 k - arg.sub_addr_count = 2;0 y7 [. P7 y$ L& [
- arg.data_count = 0x18;
+ X9 X. ^* {/ x' k- m - arg.e2prom_cmd_sub_addr = 0x290;
, X7 [* V% e9 E! p5 Q, J( U s - arg.e2prom_cmd_data = buf;8 \2 j* Y3 g: k* V
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( X$ U) i8 Q4 x# T6 m& | - if (ret != 0) {/ J7 b3 ~- Q1 _8 C
- printf("Device %s write error.\n", E2PROM_DEVICE);
/ E* g0 v. a! w4 n) F - return -1;
9 } {# E$ n c - }- G0 y" |' G1 ?$ {
- % H" T- w1 {+ y: ~# O/ l
- return 0;, q' d4 ^2 O$ B5 F( g
- }8 ?* S$ S& z+ B+ O. Q8 z
% j/ G' @6 s0 i- int main()
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- char c;% I% W% q$ Y0 Y) j
- int i, macs[6];" O: D. K! Y" N. F+ C9 w! d
- unsigned char mac[6];
, B* z! x4 T/ X% E9 p- v - unsigned char stbid[256];
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( M3 g. T$ Z/ _3 h r- if (readparam(mac, stbid) < 0)
8 U' E( U* X' s; \ - return 1;# o- z' f/ H9 @
- % [6 W! @ _- d) j( U4 J% z
- printf("Current parameters: \n");; `+ M9 A, T2 {* d* g6 e
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 Q8 C7 {8 n/ c. I - printf(" STBID: %s\n", stbid);, n( z; x9 Y/ E5 D/ e
-
* M/ O7 H8 M q. [ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( @; [( ~7 s3 Q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 Z; k3 G. Z- g9 k% v: P: m1 `
- printf("Input MAC error\n");
1 ]) ^. M$ P$ ~, W/ r5 ~ - return 1;. S i: \) j1 \. ~
- }
1 h4 p, t# g" f2 f5 n. { - for (i=0; i<6; i++)mac[i] = macs[i];
! f. y3 w, l, x1 X - printf("\nPlease input new STBID: ");
) Y& v2 }7 M: u7 x. y3 D( M$ Y4 [7 ` - scanf("%s", stbid);" w8 z4 {# F1 _1 D$ s& r
- if (strlen(stbid) != 18) {
7 Q9 m9 A4 p. m9 s4 [9 q( u N - printf("Invalid stbid\n");- o. C+ e% ]0 _; a$ }. a
- return 1;
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- printf("\nNew parameters: \n");7 E; | D! s4 e; @3 P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. A5 x3 r) z2 i' x# u. m5 I- L6 D; {
- printf(" STBID: %s\n", stbid);2 C$ ^& i8 g% @
- x+ X. [( @/ v9 V: Z
- printf("\nDo you want to change paramemters? (y/N) ");* o# p# g g4 {5 j9 w1 n2 Z0 q; w
- for (;;) {
$ e/ y- g, w- u# } - c = getchar();
; g# x N7 ]2 c! n- i - if (c == 'y' || c == 'Y')
! v7 ^9 j0 B3 G0 a$ i - break;, H( P# N# Q+ ]3 \& N$ j
- if (c == 'n' || c == 'N') {, o+ \% J$ t8 e! X
- printf("\nAborted.\n");
( \! k' Z" s" }" l; d1 r+ @0 v - return 1;
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- }3 f1 Y: F, H6 C, U4 W
- if (writeparam(mac, stbid) == 0) ; f5 A' V$ \* k- f0 C. z: D5 A
- printf("Parameters changed.\n");4 f! l' r' C" V+ N+ B4 h2 i
/ v* d5 j9 a! u$ J! E" d- return 0;
: H1 H: J! f+ |. P5 O0 q( `. L - }
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