本帖最后由 0522 于 2012-3-21 23:04 编辑
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0 [% l5 Q4 |8 U+ ]& V修改的代码早有了。到今天不会编译。: Z' T4 E% r2 b7 W& B
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 V5 l# |- ?" k
- #include <malloc.h>% `$ N, o+ ^8 w, V$ K7 r3 V; o4 ^
- #include <sys/types.h>
' }5 J7 J, `& C/ z B" k9 f( a - #include <sys/stat.h>4 P* _! E+ f+ F0 |3 [9 Y- Y
- #include <sys/ioctl.h>
( n- P3 d3 p3 e* R - #include <stdio.h>
( h$ ^6 T: L) g - #include <string.h>
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+ e& a; F' _ c" Z- D; {; R7 ^/ n5 k- typedef struct {
8 ^# Q$ i6 ?. Z/ D$ ~6 X; V' w - unsigned int e2prom_cmd_sub_addr;
" D" _" ~! M* f& q V - unsigned int sub_addr_count;" U. Y: D/ T* \6 a; w& }
- unsigned char* e2prom_cmd_data;
; h6 l- I9 v$ c' I' L% n - unsigned int data_count;# o6 t+ T. `9 a& u+ U4 ~
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
9 E2 |3 \" F+ `# s: O - #define E2PROM_CMD_WRITE 2
% A0 i# @, p# N$ L' s% m6 K3 ^; O - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
1 E9 Q0 b2 I- E3 g8 e3 a7 m - {
Y7 V t5 X) L3 _# ?' j - int fd, ret;# t* f+ v M- e
- e2prom_s_cmd arg;
8 o. W# N# s& L+ t# R - unsigned char buf[0x18];
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# f# c" A3 |; p, _- fd = open(E2PROM_DEVICE, O_RDWR);
) g O: V/ F) ^) u; ?7 i2 d - if (fd < 0) {+ S: V3 k1 d& ~2 G; B0 J
- printf("Device %s open error.\n", E2PROM_DEVICE);
8 P2 J+ R; S% B - return -1;* L; x- J& N2 C% R/ s% K
- }
: Z! Q s+ j5 U n: W! B - arg.sub_addr_count = 2;+ ^0 {2 z* b- B) K* L( M
- arg.data_count = 0x18;4 n3 r y8 v& V j
- arg.e2prom_cmd_sub_addr = 0x290;
: F- |( i9 ^9 i- [. r. p b - arg.e2prom_cmd_data = buf;7 o3 u& O; V- ?+ R
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
. \7 C/ e+ O/ ~" i* I0 _" ] - if (ret != 0) {
) C. m9 ]4 f; V1 `: z: s" x, ^/ ]; r2 o# T - printf("Device %s read error.\n", E2PROM_DEVICE);5 [* w6 o' q7 s* X# S: ]; L }
- return -1;
+ z7 B) l5 V/ S$ }2 e - }
1 u" a& W7 [( _% X0 O5 u$ Z - memcpy(mac, buf, 6);
, |) G, l4 C% U - memcpy(stbid, &buf[6], 18);' T% t# Q, ? C& s* ]" w
- stbid[18] = '\0';+ M3 o6 |7 @9 ^& ~8 ^
- 3 q, |* P q+ N& z! B' I* U4 V) \ {; _
- return 0;3 T. @& D4 `& i2 K& f3 I
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- p8 l/ }, R* v
- static int writeparam(unsigned char *mac, unsigned char *stbid)6 e1 o0 `1 m0 p0 o2 P
- {
9 v- [( ~8 a8 c2 K) E) e3 q - int fd, ret;
/ Z) R$ k& P) y - e2prom_s_cmd arg;
" _' K' [ g" S1 I8 j - unsigned char buf[0x18];
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' ?/ S. g' P* H. m' }: F- memcpy(buf, mac, 6);
4 j; u5 u. `; W6 p! Q - memcpy(&buf[6], stbid, 18);( r+ S6 n1 g3 i+ y3 i
- fd = open(E2PROM_DEVICE, O_RDWR);+ b& P; B! Y1 B: B. k- i) `
- if (fd < 0) {
8 n/ U( n, b3 i& H - printf("Device %s open error.\n", E2PROM_DEVICE);$ `' B- K- A7 c7 w
- return -1;
6 Y# K" ?. b# B3 [) x - }
' e f7 S: u3 t3 v/ m; K" | - arg.sub_addr_count = 2; C* ^4 x% J$ x) Q
- arg.data_count = 0x18;
' w3 @" I! o1 c# K- m - arg.e2prom_cmd_sub_addr = 0x290;
$ N7 D0 f8 P7 p( j: V, I, [7 o- b& J - arg.e2prom_cmd_data = buf;
" \! o U- t0 Y# v7 N - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ E4 F' I4 Q) L( t# g! O - if (ret != 0) {6 G L1 x: p" f5 B8 U! L7 i: Y
- printf("Device %s write error.\n", E2PROM_DEVICE);) H) [. I& j/ T* R
- return -1;
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$ E% Q9 O- E# O' k- return 0;; r6 ?% R- [2 K
- }
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- int main()) {& d' Y% }# n( v9 `* G( E7 x
- {
' C4 f& G$ ^/ ~1 T - char c;* O* q8 @, _1 [6 Y
- int i, macs[6];) y" S* f# E4 P# G& @' o! R( c" {+ T0 [
- unsigned char mac[6];
* J0 k# _7 G& i- x - unsigned char stbid[256]; d; ~; s" Q! r' G/ A2 d4 J
: H/ [! C. U& `$ F) n) h- if (readparam(mac, stbid) < 0)
5 @+ u( b- O* e! K k - return 1;
* r6 R) W1 i" `" t3 J8 K$ f
: L" r j$ n# n( Z6 r D- printf("Current parameters: \n");" w/ K- v- C6 z* M4 m
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# ~) E# o' U- v! ^/ |( g9 { - printf(" STBID: %s\n", stbid);6 T3 @$ ]- x) E2 F. |5 e# h* ?
-
9 W! ^0 e0 f) h) B! n; |% X - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");1 e2 g7 w& J+ F
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; W+ G/ W+ v: @4 G% d
- printf("Input MAC error\n");: w# B* S: @; N* i
- return 1;! B; _& K u/ p/ s
- } N, h! F' ^- j' t
- for (i=0; i<6; i++)mac[i] = macs[i];- X) S' { A0 A0 ~, L* \: ]
- printf("\nPlease input new STBID: ");
2 s+ i8 x5 B. `1 ^: ]9 a( E8 ` - scanf("%s", stbid);/ T' k" K9 {7 t$ P( Q: O5 T0 B
- if (strlen(stbid) != 18) {! |, n/ [) B" S. j+ \! F
- printf("Invalid stbid\n");2 j4 ^* Z1 R% K
- return 1;
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- printf("\nNew parameters: \n");
E! X5 S$ ]! E$ `( x1 S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ A' T( `0 I" y# \6 I: L+ b - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");% C8 i7 s/ E7 q0 x
- for (;;) {
+ P. _5 f) N; k- h5 S& s - c = getchar();
+ n$ u& Q2 h6 ~, v5 ` - if (c == 'y' || c == 'Y')2 @1 m2 A0 _# z. g" B/ @
- break;# H9 C1 C% u) M; L0 z$ `2 w$ V
- if (c == 'n' || c == 'N') {( i1 B) ~. N0 r( T( R6 h
- printf("\nAborted.\n");, g+ m: H2 J. M" Y9 `% }
- return 1;
# I7 o/ \ H3 w L0 {# t8 Y - }4 ^! }; L8 S) P$ h
- }, w" r# Y, R: @! _& |
- if (writeparam(mac, stbid) == 0) ! `- T9 y( K7 u& v% F+ L# s
- printf("Parameters changed.\n");6 Z1 x' ]" [! ^/ A( L9 U
' z8 s6 f) U2 y7 R8 o6 q ]- return 0;1 J0 ^6 m: \; v! e# e
- }
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