本帖最后由 0522 于 2012-3-21 23:04 编辑 . ] B9 y: H6 P0 n, ^
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修改的代码早有了。到今天不会编译。% w$ d4 Y d- }3 N. X
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
- j, i5 F) { y8 Y2 p5 Q; h0 D - #include <malloc.h>: r& s( a" B1 B# _* K _
- #include <sys/types.h>
) z1 z$ x' L3 T& Q, e, _ - #include <sys/stat.h>0 [- B. T k- J+ H
- #include <sys/ioctl.h>5 N- m# H1 u: v
- #include <stdio.h>
! F) q/ v8 d: S$ z! W- S - #include <string.h>
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- typedef struct {
) |0 `, {# `% q! Z4 i1 k3 C% u E/ X - unsigned int e2prom_cmd_sub_addr;
) g% J$ d' N4 s# ?, y - unsigned int sub_addr_count;
0 d \' O5 ~6 l3 i% a% q/ A# x - unsigned char* e2prom_cmd_data;
" u6 _$ f4 k6 s' [: u! e - unsigned int data_count;
) Y2 D1 T# E3 V6 v% Z, m - } e2prom_s_cmd;
8 K# g% U% L$ ?/ U+ I
; P# e) [$ }: n" Z- m Y6 T4 s& H- #define E2PROM_CMD_READ 1) l( W# S7 @+ }& W. ^, K7 X
- #define E2PROM_CMD_WRITE 23 X9 n3 P; g# b0 J% }3 t& ^" X" n
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" J1 r% E7 z7 {3 `$ r
/ i5 f' N# o f! \+ {- static int readparam(unsigned char *mac, unsigned char *stbid): J& o* v+ T, w' l9 {3 C- L
- {
; @3 R! A( j. M2 o5 e - int fd, ret;
/ E4 j" f7 b, l: h! p! c - e2prom_s_cmd arg;2 \ i& {' d2 d W$ l* ^9 N1 G! |
- unsigned char buf[0x18];: o. g/ \; U( i
: E4 e \1 }2 M) F V- fd = open(E2PROM_DEVICE, O_RDWR);7 @9 h# e, i. Y' I' j
- if (fd < 0) {
8 O% g7 W; D3 _7 Z6 |, k8 Q - printf("Device %s open error.\n", E2PROM_DEVICE); d3 {7 A5 s! }5 r) c
- return -1;
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- arg.sub_addr_count = 2;, c4 c5 e* j5 q" u( C
- arg.data_count = 0x18;2 {; z6 L+ ^9 q; W
- arg.e2prom_cmd_sub_addr = 0x290;) {+ A5 r5 O+ @, Q
- arg.e2prom_cmd_data = buf;
$ ^+ e' [& I6 P( ~3 M' t7 | - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
; u4 w2 f3 n) X3 j: e" q$ I8 u" R - if (ret != 0) {2 v" Q9 t( [! m5 } x/ ]
- printf("Device %s read error.\n", E2PROM_DEVICE);
- M- `% }8 @) \( d# d* f ` - return -1;3 n3 q! g7 u. J7 `
- }
: Y' ] n l. |4 [6 n+ H4 p* E - memcpy(mac, buf, 6);5 y! N6 y. c* X( i
- memcpy(stbid, &buf[6], 18);
' W( h+ ~& l0 l8 a6 j. Y) C' X! h( d - stbid[18] = '\0';
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- return 0;
+ ~; g) Q, F; p3 W, x+ V0 | - }
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# i0 ?7 p. H' p/ }- static int writeparam(unsigned char *mac, unsigned char *stbid)
9 `9 }5 \) N/ v- ]% g - {0 [& ^8 U0 {5 K5 ~1 N# g3 P
- int fd, ret;5 N+ f+ L' Z& y2 O% S
- e2prom_s_cmd arg;
) ^& p. ]# d' B2 Z - unsigned char buf[0x18];6 B$ y! s$ Y& n& x
2 P- a$ Y0 h# ~ p( x$ T3 W# K0 E- memcpy(buf, mac, 6);
7 Y; I" x0 q7 L- ]6 b& i! J - memcpy(&buf[6], stbid, 18);0 [: K0 g$ }% M
- fd = open(E2PROM_DEVICE, O_RDWR);6 s( H1 F- K0 e) F n
- if (fd < 0) {- ~, @ l3 N$ m5 S' K+ p
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 o* v8 x A& e6 `; H: E4 @' Z - return -1;
2 }; ~* ~. J v! B3 Q' j8 ^- d - }
! R% ~) t. p6 z2 b - arg.sub_addr_count = 2;7 Y8 n% x& u6 C1 U5 R/ B+ _
- arg.data_count = 0x18;
' ]2 ?1 g6 O0 _ - arg.e2prom_cmd_sub_addr = 0x290;
% x% `' {: I( J; ~2 r, z7 M, C - arg.e2prom_cmd_data = buf;
' t# t: N9 V8 Y- l- w! L4 k4 T0 s - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
) H9 u1 N& z3 M' V. p - if (ret != 0) {6 M% U1 `- I1 m0 N
- printf("Device %s write error.\n", E2PROM_DEVICE);
; K( W9 w4 @/ H( \7 c# }3 i0 } - return -1;
1 {4 f; u6 o5 ]1 |3 F* A - }
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- return 0;
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% M" G( G6 f' o* y- int main()
7 A: M9 l. _" h& }* n* w- `# F - {
2 g% T+ X" U: h1 ]$ @" G0 ?1 P, m - char c;8 d6 P1 H5 V, p5 F+ O7 z
- int i, macs[6];8 N: L& e# r8 e, \8 ]/ R
- unsigned char mac[6];4 ~6 a# u# r2 ~6 K& @/ P6 U# [
- unsigned char stbid[256];
5 q2 r$ c( M, Q7 k5 e0 f8 x - , ]% D$ P7 \' U5 s6 _) [
- if (readparam(mac, stbid) < 0)
8 W4 k5 }+ C+ y- p, K& P - return 1;
9 |$ T4 E8 d4 A. ?7 K - ( }; O( W3 j" z5 T2 t+ S
- printf("Current parameters: \n");5 l$ r4 Z: @5 A% [3 }& f
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 g% H- f8 E0 ]6 a) p7 V, b4 o, ] - printf(" STBID: %s\n", stbid);" ?+ n1 u4 u7 |5 V! {
- , a1 p3 {# ^+ d
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% Z/ l: \7 U Z: D: W - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- R5 G5 \ j+ ?8 ?9 n# a$ h3 ] - printf("Input MAC error\n");+ |5 I2 U/ r2 y& j/ Z8 k* A Q
- return 1;
, D( T5 V. w/ ^ - }
. v* b0 [. O8 H4 M - for (i=0; i<6; i++)mac[i] = macs[i];
- F: C- a7 ^% @8 f- S( u( b - printf("\nPlease input new STBID: ");& P/ l+ v1 ]) N) \
- scanf("%s", stbid);
3 r: E7 T2 x- f S8 v5 Y/ z - if (strlen(stbid) != 18) {
. ~0 a6 j# B+ w% X - printf("Invalid stbid\n");- \/ m" b8 A2 D P$ T( d; F* s$ k
- return 1;
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- printf("\nNew parameters: \n");7 H, ?, e$ Y, C3 Z! l! Q8 m( V! J9 t# x
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ i! m# C. N5 m0 I
- printf(" STBID: %s\n", stbid);6 ^3 I. B% t) r: k4 F+ C
; B5 a. g1 l6 {) ]- |- printf("\nDo you want to change paramemters? (y/N) ");' _7 e; `+ j0 q. Z! ?+ u4 G
- for (;;) {) D$ L+ j3 p, \' o
- c = getchar();
/ i6 u6 q8 ^6 S) p/ _, J( y& P - if (c == 'y' || c == 'Y')
% j" _. K" C! \ - break;% l6 @# b" U. R' _) U# X u' K) o
- if (c == 'n' || c == 'N') {
2 c3 s! i3 x j" Y$ l: O - printf("\nAborted.\n");
5 `+ g" Z! [7 z8 r - return 1;
9 n1 m4 [ S0 W' O - }% e; g- n. |; L4 {
- }$ P7 y# @& ~' @$ S- O3 h9 X! T) b
- if (writeparam(mac, stbid) == 0) 1 V# E, N. b+ A. e! a) J4 a4 B
- printf("Parameters changed.\n");( B; R6 n& d! I$ d0 Q
5 z4 V R1 l% d) l$ ?5 C- return 0;
; s5 ?( N$ t1 K" Q0 B, P& C - }
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