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。
/ ]- J- ^5 p; N: e) e" R1 a3 ~需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>1 J2 B& W2 C. n8 _2 L9 X* k& i. [
- #include <malloc.h>8 b. \0 y/ y& ?" e/ g" r7 y
- #include <sys/types.h># m4 I z2 M& ]2 J' k5 i
- #include <sys/stat.h>7 O8 k+ ^9 \# i2 l/ c& Y0 C8 C
- #include <sys/ioctl.h>
/ ], S. V% j7 t/ Z/ K$ _: r% {& a - #include <stdio.h>
+ g4 Z. O U% ^) ], s - #include <string.h>
! B$ `) X5 C1 ^3 t$ p: Z - 6 E# C' ~- i6 _/ K) ]
- typedef struct {
& C1 s& `0 ?& l7 G1 Z - unsigned int e2prom_cmd_sub_addr;
! h2 p M. i1 Z0 J3 F- @) I/ n' i - unsigned int sub_addr_count;, q( X0 x: j: V1 x
- unsigned char* e2prom_cmd_data;6 u* S" Q4 q$ y. ]# o
- unsigned int data_count;
2 P1 f7 V+ h; ]0 E8 I9 R - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
$ a# L7 ]& o& I4 V - #define E2PROM_CMD_WRITE 2
9 A2 l6 o% {2 R- F) z* U4 h# | - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"5 N8 S0 z$ t& A
2 b. [/ G) j+ u' T8 V- static int readparam(unsigned char *mac, unsigned char *stbid)
8 O$ M$ S8 I5 c$ K; Q$ S2 n% ] - {
& ?3 D4 }+ Z- H) n7 Y; s5 w6 H- F: a# z - int fd, ret;
) O. Q; m% I4 ?; E/ @ - e2prom_s_cmd arg;
4 U3 r" B. A e" ^6 `4 Z7 L - unsigned char buf[0x18];
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0 R8 W8 S7 O3 m: D. s) M- fd = open(E2PROM_DEVICE, O_RDWR);
7 y0 Q- W6 e0 O5 k: ^7 ^9 f4 Z - if (fd < 0) {
( Q1 G6 `: ~7 f' w' i - printf("Device %s open error.\n", E2PROM_DEVICE);0 C3 X- P( A. v& x! o
- return -1;
) Q. \; H7 w5 X: G' n* t' T% W - }
& y# C; Z( Q; Y1 V) I - arg.sub_addr_count = 2;' O+ \ T/ d4 k3 Z7 f* N
- arg.data_count = 0x18;
2 I0 ]: {" M& C) \, D: V% U9 l+ D - arg.e2prom_cmd_sub_addr = 0x290;& F" r* `" N X0 x9 a4 h+ F
- arg.e2prom_cmd_data = buf;
! m. u0 f& L$ s& X - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
2 b, L* b' Z( C - if (ret != 0) {
9 a0 { Z) `* o - printf("Device %s read error.\n", E2PROM_DEVICE);' y8 B/ F. r1 B4 D
- return -1;
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- memcpy(mac, buf, 6);8 E" u7 d8 h: U- i
- memcpy(stbid, &buf[6], 18);
' t* d4 i) ?: J - stbid[18] = '\0';
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6 _: }5 V. z# N1 E3 D4 P- return 0;: M- C7 X9 f0 g
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)$ a' k+ I/ G0 Q" M
- {0 Z2 N! f7 s" w4 O9 [
- int fd, ret;
( o5 c0 ?4 {. q2 D& V! L) S* H - e2prom_s_cmd arg;
' y5 {& z0 M( n6 ` - unsigned char buf[0x18];. I" S* p1 N# [( }7 m7 g
- 2 a4 P: f2 Z" X8 e7 e; h) Y
- memcpy(buf, mac, 6);
" J" q0 t" [' |2 m. j - memcpy(&buf[6], stbid, 18);+ b+ A# Y: B4 } ~* D; V( P
- fd = open(E2PROM_DEVICE, O_RDWR); N6 C* ]5 n$ b: {& T9 X
- if (fd < 0) {
( a0 e" m; Q4 @: i! a- X' k - printf("Device %s open error.\n", E2PROM_DEVICE);
+ } b, h L8 `9 C A - return -1;' q* g# |7 ~! ?8 Z8 ^% J' y
- }2 b% |8 B4 u6 Q/ f3 U
- arg.sub_addr_count = 2;& M+ Z* s+ f& M
- arg.data_count = 0x18;! \! W3 c! X4 N
- arg.e2prom_cmd_sub_addr = 0x290;4 y( n2 |& E4 p" \, ?$ r d0 s
- arg.e2prom_cmd_data = buf;
) k6 k/ z6 @8 @, J* Q: m* `: D - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
$ ^$ Q6 o7 ?+ t7 N: I - if (ret != 0) {0 N; G q8 V& C
- printf("Device %s write error.\n", E2PROM_DEVICE);
. Q! x7 o( [" l& A- D: b0 N - return -1;4 @! s Q0 P; I s' |' c: F- e
- }
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' L! X$ P- V+ r1 }- X. R6 U- return 0;+ ?' J- O' F- n* O W7 d# F
- }
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- int main()
1 Y& z- Y5 X, T - {- U# p8 C ~4 {
- char c;; b, Y5 x( L/ n' Z
- int i, macs[6];' y$ I( W5 F; s# _) `- a
- unsigned char mac[6];4 D/ O) {/ R9 E+ ~: V$ p3 `
- unsigned char stbid[256];7 w, b9 ]& ?# E3 Q% V5 }5 e
% `3 r: Y* l) y, {3 t3 @4 D- if (readparam(mac, stbid) < 0)
5 D/ L7 t' b8 p9 Y- h - return 1;% b9 l! M7 A% s: e
- 7 B: |# O4 @) H5 O, ^% _/ s
- printf("Current parameters: \n");
/ F$ f8 P2 p) v* R1 {* ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
b5 v8 \' I+ ~& e - printf(" STBID: %s\n", stbid);6 R4 e1 \; h3 l" V( J
- $ M6 J G1 w8 w
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
" P* E$ {, k$ I - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {( r" a8 [9 v! N4 Z) G4 h
- printf("Input MAC error\n");* w: I( \ ]. L: [% V* y
- return 1;" k! Z/ e( o4 Z b, L+ }: b
- }
6 U; ` L. q2 V6 c. ^; s! M( M+ x0 d - for (i=0; i<6; i++)mac[i] = macs[i];7 ?/ z- G9 h; b, [
- printf("\nPlease input new STBID: ");$ v: I7 Y& p, K! n
- scanf("%s", stbid);
3 U- q1 q* J q0 h( Z - if (strlen(stbid) != 18) {
, }8 t9 V3 ?: u) p# S! u7 O - printf("Invalid stbid\n");- g" c9 v. }3 j1 }$ i* I0 e
- return 1;
- G7 r7 U8 k6 Y - }
, G5 o) X: W6 W8 s! ` - printf("\nNew parameters: \n");8 q5 E3 r" I) x* n/ b
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! T. d1 B$ q0 L) o: j+ F
- printf(" STBID: %s\n", stbid);/ E( o# O7 Y9 }, b( I
- $ Q D7 [2 N' V, p& z3 j& A7 A0 Z5 }
- printf("\nDo you want to change paramemters? (y/N) ");9 m4 _* S3 q# @
- for (;;) {1 Y. |; n+ v( y* K
- c = getchar();* F" x' q7 B& ~! D+ j
- if (c == 'y' || c == 'Y')
: o0 S( f& D( k3 y! S - break;
% s# ~4 [! L: r* N1 B( [4 r3 e- k* ? - if (c == 'n' || c == 'N') {4 X* R$ f" V( D' \, m
- printf("\nAborted.\n");
; {" e- l( T4 o* q: _! s e' G) y - return 1;- U& \6 l! P6 o' n* \, h
- }
3 c8 d+ S: M* W1 f - }
% J5 o3 o, e. m9 W2 @ - if (writeparam(mac, stbid) == 0)
8 v0 X4 |& l1 n. y/ i1 `) N - printf("Parameters changed.\n");% y4 k/ a5 _4 ^ W. J
- 5 e( }1 I! o( T9 ?# y
- return 0;# b8 U- w5 ]/ @! O8 F- c
- }
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