本帖最后由 0522 于 2012-3-21 23:04 编辑
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3 G& C, L* q& a/ p7 N% ?6 H7 \修改的代码早有了。到今天不会编译。
; L. T$ {* f$ _6 z6 N( i; L需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 V- f8 ]. z+ H( A0 \7 U6 n
- #include <malloc.h>
+ K: q3 t! F( }! A- g - #include <sys/types.h>+ w: ^5 _9 p) X4 c0 w" z
- #include <sys/stat.h>
% M, w" h6 i. a0 Z6 w9 X5 h - #include <sys/ioctl.h>
! V4 l* j' t) f! W - #include <stdio.h>
7 p& V& p2 I/ T+ J* N; w2 U - #include <string.h>* }/ ^8 Q5 b/ A! Y% O4 q0 w7 r
- " y( f" O) ~( S
- typedef struct {2 q1 a4 K6 _$ T! _
- unsigned int e2prom_cmd_sub_addr;5 y1 S; K4 J6 ^4 ]4 U) W
- unsigned int sub_addr_count;/ |+ U6 ]! S/ e" B8 N: |3 p
- unsigned char* e2prom_cmd_data;
9 {1 B0 c- B+ c - unsigned int data_count;
* ]; @- c" h/ Y% F7 e2 S - } e2prom_s_cmd;
# L" A( l, u! E" h' z s
k, ` D& ~( F- #define E2PROM_CMD_READ 1
9 l( m6 E) G* S; Y/ ?2 u3 J- h - #define E2PROM_CMD_WRITE 2- K! f; B: |0 c3 C
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( j; X Z" H" Z* h8 E
! T4 _, F4 ?. P/ u7 I/ N1 [! t- static int readparam(unsigned char *mac, unsigned char *stbid). a6 |. _. k' g: X: A6 }5 L
- {
( n) H; ?. Q* k# Z% o3 m - int fd, ret;
, v) a! N" x) v - e2prom_s_cmd arg;: |6 ?" y% y) w5 }
- unsigned char buf[0x18];! J7 P" X0 ]# \# r! w; _0 q9 V
- . N$ V7 H( A; O/ ]3 u; }
- fd = open(E2PROM_DEVICE, O_RDWR);
% N$ ^; h! f. i, R' Q+ L* q1 h/ E - if (fd < 0) {
1 d4 w# a$ P% G! n! c - printf("Device %s open error.\n", E2PROM_DEVICE);
5 o; ?6 a. F# s3 \ - return -1;9 [" Q- B2 {6 }4 v
- }
% m$ J7 m8 U# l: k - arg.sub_addr_count = 2;
' g. `2 P6 m' a7 B' ~1 W - arg.data_count = 0x18;
+ g, C% U" Z E; o, `8 E" h- C" { - arg.e2prom_cmd_sub_addr = 0x290;. B( K2 b; k1 ^$ I- a7 k
- arg.e2prom_cmd_data = buf;
7 R S9 l5 A b( N f1 p - ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 W0 f0 Q" w4 r/ f
- if (ret != 0) {+ [- S3 |3 m% F
- printf("Device %s read error.\n", E2PROM_DEVICE);
' E+ f+ t$ O. S" z6 T( Q - return -1;! ~% u9 ]1 f$ d% `9 P1 a
- }8 r0 ^" j) w$ Q# a
- memcpy(mac, buf, 6);
9 t+ ]8 w* V0 ^ - memcpy(stbid, &buf[6], 18);6 a' h4 P; s! i" H. ^
- stbid[18] = '\0';6 e( p$ d# Z, V; @% h. {! K
$ a& g# i$ N$ c) X: y- l- return 0;. _+ t4 }+ S& s5 L# |
- }
2 {% G1 U) V8 r# I% h) e* ]; x
/ ^" n$ R6 W! s1 X7 ~) z \5 i2 Q- static int writeparam(unsigned char *mac, unsigned char *stbid)
$ W- D# L: U2 T t - {
" Y6 c, A3 y5 J2 I! }0 b) x - int fd, ret;; M- Q, u0 g9 ~; U. W6 U4 W
- e2prom_s_cmd arg;
3 M2 E, I2 Z1 P8 z4 R3 X - unsigned char buf[0x18];
# b0 h& l6 G0 g& h* r' M - : Z+ {( g1 ~3 F8 s" @9 z- Y" R
- memcpy(buf, mac, 6);
: V9 H5 \ N! M' T) \ - memcpy(&buf[6], stbid, 18);! u6 E/ I8 c6 O3 H
- fd = open(E2PROM_DEVICE, O_RDWR);5 M J H7 B9 g( L2 v% K6 v8 G
- if (fd < 0) {0 L9 L" M/ B9 [, s6 Y, F' r$ ]0 `
- printf("Device %s open error.\n", E2PROM_DEVICE);
8 f" U& D; q/ Y" z; a8 \8 X: L - return -1;
. W0 T, u4 q& W) W$ v! f& L - }8 f% K$ {9 b$ l
- arg.sub_addr_count = 2;
! ? o, `% J" s* t - arg.data_count = 0x18;: [% X) B2 d4 c( J8 C
- arg.e2prom_cmd_sub_addr = 0x290;
9 p! ]: a: x+ r8 x1 O - arg.e2prom_cmd_data = buf;
% ]% c! V B Z* G - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);. F7 \9 ~' Q& B: v. C# x
- if (ret != 0) {
$ k' E+ Z% x' H7 n$ T0 I1 j! T2 o - printf("Device %s write error.\n", E2PROM_DEVICE);
. b0 K0 D5 t3 B - return -1;3 `9 T+ G. b y) V1 j
- }9 I# J8 A; s7 x
2 [2 \' m% [- E9 I& y* S8 N% _- return 0;
: B/ r1 j- z7 A1 F# v& h2 h - }% V$ N' ~; U7 n5 M: p5 G3 v5 V1 i$ J* y3 d
' Z' s$ r8 b. @" N- int main()
1 g; A* Y7 V: z* [# z - {% H: }( T0 M; [" v" w+ v
- char c;
6 b& k1 r) |* V0 A' K; `0 ? - int i, macs[6];5 ]- ]9 [# M. q% E# N" q; K
- unsigned char mac[6];/ L4 o+ r' n9 m
- unsigned char stbid[256];4 }2 I( S! o! G+ k
/ X# c) T" k" N6 u( V( W. J- if (readparam(mac, stbid) < 0)& c7 \1 \, n0 b) N8 `! ~% o
- return 1;$ F$ B1 m$ \7 q3 E# F' }& N' |
4 M3 l; @; ?; D- printf("Current parameters: \n");
8 k. }% U8 {% Q; }: r- Z3 a6 J - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 G+ v+ m; @* Z' Q( A3 @: h
- printf(" STBID: %s\n", stbid);, ? n( M1 u! @+ ]0 l& ~2 I
- ! ~8 V) s# @, y. l4 F2 c
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
7 U" W) P# M1 Z# W - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( U( \/ I9 N5 |. J% ~ - printf("Input MAC error\n");
) ?3 P( @" V- c5 T' l; l2 h# g - return 1;6 _* u3 w3 ?; B$ D+ M+ o
- }
1 b( A" y& Y; ] X - for (i=0; i<6; i++)mac[i] = macs[i];4 i6 z5 ~4 d4 `" S( W) B9 s
- printf("\nPlease input new STBID: ");/ p; h4 D' j$ s$ n
- scanf("%s", stbid);
}- h, A9 G s) i" e - if (strlen(stbid) != 18) {
: c% T, V8 \3 x0 r. c - printf("Invalid stbid\n");5 _ B0 c3 ], J" s0 }$ l& Z
- return 1;
8 q' \9 n* a* C; m* ]/ \, R W+ e - }
0 \4 j* g! f. M2 m5 y - printf("\nNew parameters: \n");
4 `. Y4 q( n$ _+ M - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ |! }" y0 k, a, Z4 C - printf(" STBID: %s\n", stbid);2 P2 h9 |. f% O( s' _9 y3 v4 n ~ @
- # z( R- G, n1 h! B. O3 _4 g
- printf("\nDo you want to change paramemters? (y/N) ");
- @, x3 n3 J7 E - for (;;) {+ L, t3 r5 i E" u9 Z, [
- c = getchar();
8 a9 W' f; b v- I) M - if (c == 'y' || c == 'Y')+ x. X9 j! U" L- I) T7 p& l
- break;7 a4 D& `( f6 e7 e6 L
- if (c == 'n' || c == 'N') {* h' a0 f, E& N( v' w, k2 o I
- printf("\nAborted.\n");, b% h/ q7 k3 ~) C/ z' ^
- return 1;! o: i% n0 m( T( i' I- r# N8 t9 ]& r
- }+ W" j8 }) z, D5 `# v; r# }
- }
& _( p; I4 |' W" R - if (writeparam(mac, stbid) == 0)
% ]/ D$ L/ }4 I: I8 F$ r - printf("Parameters changed.\n");
* U! [+ C- |9 T& \; `, I0 B8 n# G! b( j: m - ( d2 T* V9 N) R6 ]$ L: ^$ w
- return 0;
: n; d! w7 C p - }
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