本帖最后由 0522 于 2012-3-21 23:04 编辑 9 [+ @/ t% [& j6 E5 w5 T# c b
6 v s) z) a5 }修改的代码早有了。到今天不会编译。5 {" I% _& u2 h x0 _
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ G- g4 i: B* m& W% | - #include <malloc.h>
! ]! E4 @& Q. u8 z- b - #include <sys/types.h>
, r3 r% X, F/ B/ g - #include <sys/stat.h>
/ d- w+ Z; w: Z" T - #include <sys/ioctl.h>9 S6 @, G3 l0 Q8 w
- #include <stdio.h>/ v& Y. c! U6 z: j y0 z. p& y
- #include <string.h>
# M+ x- ?& W. K
% R" T1 F- t2 j5 M+ m X9 R- typedef struct {
7 b4 j6 d4 u/ | - unsigned int e2prom_cmd_sub_addr;
; C, v" t! F) d5 |- Y3 @ - unsigned int sub_addr_count;& g! I; w4 m; ]
- unsigned char* e2prom_cmd_data;
- ]- g% x& _& L$ k" o - unsigned int data_count;
0 s7 y+ R2 d7 n7 f; T - } e2prom_s_cmd;/ W& w: V4 Q. F; B
- ( P$ l3 M7 {0 C' P9 B, y" ?0 V
- #define E2PROM_CMD_READ 1; R0 L/ u- {5 g1 J
- #define E2PROM_CMD_WRITE 2( [2 O9 s) d9 n7 b8 i% Y. t5 u, c. [
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 Y& i; G1 B- p; u" ?
4 T* N' C2 l3 M' W' U8 F+ r- static int readparam(unsigned char *mac, unsigned char *stbid)# ~# T7 @1 A8 v' U- f/ F
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- int fd, ret;
- [# a3 }8 p) ]) y! F% s Y - e2prom_s_cmd arg;
+ e8 |: N8 m; v. ]$ H0 M; k - unsigned char buf[0x18];
% b+ p3 E# X" a8 t6 P y - - @: l* [) \* B2 B5 G! m# c" }
- fd = open(E2PROM_DEVICE, O_RDWR);
' O' m/ P9 F& K) d& N V { - if (fd < 0) {& \4 A2 ~0 f2 A( O* _" q
- printf("Device %s open error.\n", E2PROM_DEVICE);3 @6 f1 S3 s$ j! u! O( [% M9 v% k
- return -1;
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) X, ]# {& J9 m) J- F. S& @ n - arg.sub_addr_count = 2;- k) U% i9 i' {8 P
- arg.data_count = 0x18;: r: Z0 X$ I, J6 e4 b
- arg.e2prom_cmd_sub_addr = 0x290;9 p3 C- i) x+ e" d5 Y* ?! F
- arg.e2prom_cmd_data = buf;
# Q$ |4 _6 q/ C. M/ Z - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
2 O7 z4 E* l7 Q& g. y8 f Q3 R - if (ret != 0) {
1 c$ n- q* U! V# ` - printf("Device %s read error.\n", E2PROM_DEVICE);
/ }/ V- _0 b. d - return -1;
+ H* f Y9 W% m+ Z% L( Z: w+ [ - }+ A/ [8 A+ K& G3 ^, }& n" y) {
- memcpy(mac, buf, 6);
9 s: Q- `" U+ a$ G/ s! \ - memcpy(stbid, &buf[6], 18);
4 `# D& h7 E! s/ | - stbid[18] = '\0';+ ?" j( \+ S, T/ a4 k4 W, X! t
. w; D5 Y) K/ X- return 0;
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- 3 ^* m) K* z* ]; w2 N+ ~
- static int writeparam(unsigned char *mac, unsigned char *stbid)
, U4 Q* q# ]7 n# {, u5 f - {
( A6 ]0 T* L* t, N" p - int fd, ret;7 F8 }: i+ g( O; y4 z
- e2prom_s_cmd arg;; b) H1 |# G$ {& t: [
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);' F' h/ @4 N- g2 A! q( E' n$ v' A
- memcpy(&buf[6], stbid, 18);
+ V, H' W `- }: I; W - fd = open(E2PROM_DEVICE, O_RDWR);
. a$ L& z( V, O9 [ - if (fd < 0) {& f% m; W3 p; J8 `7 _ j
- printf("Device %s open error.\n", E2PROM_DEVICE);+ Z: j, V5 M9 h* n- X. ^& @
- return -1;
6 J: @- F1 G$ J- `- A4 y9 \2 s - }
+ c; g0 t& r( z, w9 A- U - arg.sub_addr_count = 2;) ^8 W0 }9 c0 W; V' B) {
- arg.data_count = 0x18;
) i4 O3 L/ r( c* K% Q - arg.e2prom_cmd_sub_addr = 0x290;
$ g3 ?0 P& B: S; i, A3 Q4 ?% X0 ] - arg.e2prom_cmd_data = buf;! }: ?/ M2 r6 L6 m$ k
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);* w4 @: f. @3 L8 M6 a. ?
- if (ret != 0) { U+ K9 L H+ Z1 Y& Y( R
- printf("Device %s write error.\n", E2PROM_DEVICE);
& u* H% w- x! W2 S. S6 r - return -1;% K& B( `( R5 W, n
- }! y; C* E/ |( G$ T }2 Q5 r
- 9 }0 X( |; q- V
- return 0;, A" }0 {1 P2 c# \- t& |
- }
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* W W3 s. s3 B. d" x- int main()9 S- J9 r: z4 t7 I
- {
+ j2 j' q/ _4 W3 Y - char c;5 s( P$ ^# Y2 Z+ C( ]. _
- int i, macs[6];: f1 n( K0 c5 G. G1 e& e& d
- unsigned char mac[6];
1 c9 y/ |% w9 w% \2 s9 ?9 I - unsigned char stbid[256];
$ _9 S$ I* }% H% }+ F
3 _+ S1 U8 S9 [) \- if (readparam(mac, stbid) < 0)6 C+ ] l) [1 o0 K- Q
- return 1;
5 F: U/ z' G0 u8 G; W& ] - X' c. W& N! o" l2 W; \" l
- printf("Current parameters: \n");
; x) H4 W' Y' C9 X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ w( \9 A) b9 p1 O( R6 D# y. I - printf(" STBID: %s\n", stbid);
/ G/ ]- M0 J2 v6 k/ r( W8 L -
8 Z+ [; c, Y, Q% t0 D6 S- o1 `6 w - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
\) L) G+ W; B - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { D3 a x' ^" g
- printf("Input MAC error\n");
2 ^' }( G% Z$ Q M, z - return 1;
0 |: h* X! z" a. { - }
5 o% R- z# R$ v8 A - for (i=0; i<6; i++)mac[i] = macs[i];6 r5 Q5 T7 J( u5 @& G6 \8 l! B2 R
- printf("\nPlease input new STBID: ");& `% p0 P& B9 H& E" e' u6 W k
- scanf("%s", stbid);% ^- }& H+ J) L+ ]1 c; I0 X
- if (strlen(stbid) != 18) {
+ \$ V4 O/ e( l/ X4 m( a# | - printf("Invalid stbid\n");
4 l6 z% D" ~4 u+ m& L. T* ~ X - return 1;% j, J3 O6 T) O( S
- }
( e5 H* M7 f4 J3 r2 n$ I' K - printf("\nNew parameters: \n");
( @! e0 {2 u. p! T5 O- j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% S/ d% n& a; j! o* n- I# o" b+ e
- printf(" STBID: %s\n", stbid);
4 ?; G: J! v$ i8 e% Y& |$ j - 3 I* \' ]' {9 F! M2 b; B& Q
- printf("\nDo you want to change paramemters? (y/N) ");, C$ X# ~1 |$ w, W
- for (;;) { W/ @% i" d1 H$ p# z, l' ~/ l/ R
- c = getchar();4 T& K G( \7 `8 w- }
- if (c == 'y' || c == 'Y')
8 s0 p3 f8 `% w - break;1 |6 R5 q9 }1 i/ V
- if (c == 'n' || c == 'N') { a- e) ]7 B3 l& Y) {
- printf("\nAborted.\n");& T! \; ?3 @; p: s. Y. e& N! _
- return 1;. s3 W$ k, U. Y
- }* \; F4 t p0 c/ R% w, r9 X
- }" K9 b% m3 ?# |/ A+ @$ |* r
- if (writeparam(mac, stbid) == 0)
! a. J# ]" I7 f) a6 m - printf("Parameters changed.\n");
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- return 0;7 B/ V* e, `; T2 Q
- }
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