本帖最后由 0522 于 2012-3-21 23:04 编辑 2 p* k: M, A& T4 l% J* i
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修改的代码早有了。到今天不会编译。
: o* J4 D; T: f Z( n8 b8 J需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) Z2 }/ D- Y( X; K2 P/ r
- #include <malloc.h>
8 r7 ?5 N3 w' d1 z( k' V. a - #include <sys/types.h>
- {; x; R8 {- ~! i: C2 M# C - #include <sys/stat.h>
- B& n f- _7 U2 |/ S4 F8 X - #include <sys/ioctl.h>0 E$ J8 c1 `2 J9 j/ Z! N
- #include <stdio.h>
- ?" o! o- W* y: ]0 q. T; p( W - #include <string.h>
+ _: p) u0 L% s/ D1 p& a* j/ ^" i2 _* U - - ?2 F4 d0 y8 w! m' {4 X _1 O
- typedef struct {
4 U" d2 p* A' x" t5 j+ ]- {) R - unsigned int e2prom_cmd_sub_addr;2 b1 H7 q. \! r" ~
- unsigned int sub_addr_count;
6 R* X8 {( K2 C+ T - unsigned char* e2prom_cmd_data;
% ?6 r3 f: J2 i; j7 H7 G - unsigned int data_count;
4 B; i# z+ O7 ]" | W0 ?% Q - } e2prom_s_cmd;/ i; p- |1 h8 b6 J2 _( X% r
- 4 o; O3 O3 {, h) Y8 S& X( i- }
- #define E2PROM_CMD_READ 10 Q0 T. N/ G; s( f4 x* g. i; o
- #define E2PROM_CMD_WRITE 22 s$ z& a# X2 n) [( T: P' ^
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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: P' ?5 u: k6 ]0 H8 B, D- static int readparam(unsigned char *mac, unsigned char *stbid)
# Z: R( \5 ?& Y# T4 M8 m/ o4 ?# Y) G7 o - {
! D: Y3 l, a* `% U- I2 b - int fd, ret;
$ K2 S! r$ B+ c7 F - e2prom_s_cmd arg;; _! x3 R8 h; a$ k$ @0 e
- unsigned char buf[0x18];
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^* x5 R( L3 |5 x- fd = open(E2PROM_DEVICE, O_RDWR);
( F2 T" u5 R: E; _- ~- j0 p - if (fd < 0) {
7 c9 d l/ C. e1 L! e - printf("Device %s open error.\n", E2PROM_DEVICE);( l0 k3 _% N& j3 G
- return -1;
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- arg.sub_addr_count = 2;# q3 y$ g. ]" J
- arg.data_count = 0x18;
2 x# i$ P2 @% B& @0 V* a - arg.e2prom_cmd_sub_addr = 0x290;
% f! _" b6 Q* T- v: W/ W - arg.e2prom_cmd_data = buf;
" b/ ~" V: _# ^* ]4 _. J! @ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' q1 z: h) Q) T - if (ret != 0) {2 `: H( B4 a; l! O- r4 ^
- printf("Device %s read error.\n", E2PROM_DEVICE);( [, s5 ]$ h9 S
- return -1;
8 ^! `) {* o* z" U! q8 {- K I2 V - }
1 Y/ N* z5 T3 n a# p) `. N. k$ O - memcpy(mac, buf, 6);
* F/ w A! |" J8 I: F& ]' P - memcpy(stbid, &buf[6], 18);: U5 v* |; o' \7 Z3 x+ z
- stbid[18] = '\0';8 Y) |4 d: G+ ?6 c/ B/ v
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- return 0;+ p, z. z, @' e% |. p
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. m" F+ C) F2 `( x9 k- q- static int writeparam(unsigned char *mac, unsigned char *stbid)
# A4 `6 [9 @' ~$ m i - {
' Q5 i/ U# W8 A# K - int fd, ret;% b, c6 C% f7 m; \' X: ] b/ e3 i5 h
- e2prom_s_cmd arg;8 g" V% g5 v% I! B1 y
- unsigned char buf[0x18];" w) v& s* t0 ^ U
- ! M, f3 ^( X$ C9 X
- memcpy(buf, mac, 6);. M/ Q' E% ^: W$ \2 }
- memcpy(&buf[6], stbid, 18);
( w/ [; d, x m2 m3 R" J7 }4 g - fd = open(E2PROM_DEVICE, O_RDWR);6 e! w, R% R! ~0 Y2 ^: y, u
- if (fd < 0) {+ w' y: @ r) ?
- printf("Device %s open error.\n", E2PROM_DEVICE);% i- y8 i! Y2 _% S5 R2 `
- return -1;. v6 _1 w3 t: O" x# I; c9 S/ {
- }4 F! x6 k8 d: o* P- B
- arg.sub_addr_count = 2;
3 O% j0 g9 N0 h - arg.data_count = 0x18;
2 ]. m2 _! z+ M" k$ Q9 k; G - arg.e2prom_cmd_sub_addr = 0x290;
! e8 J/ R h: [ - arg.e2prom_cmd_data = buf;+ [' ~! P) [( U3 ^( D- U
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg); H0 e% i7 ?- J# L' P8 e$ @& U
- if (ret != 0) {
: Y+ @7 s' _- Y/ ~( D o - printf("Device %s write error.\n", E2PROM_DEVICE);
& {' a( K t ~9 n& n9 i% P - return -1;: O1 V" Y7 H& Z# C8 S
- }
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/ H& N3 g4 h+ _1 b O- return 0;
) `6 k( d( Y3 ^$ t% ] - }
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- int main()4 X! I; L4 z* [
- {) l6 Y) p. L6 T& o1 |, X
- char c;
1 u4 \0 d" s0 L3 K& m( @: e - int i, macs[6];
* x7 e) w1 H* ^" i9 l - unsigned char mac[6];
* G+ G. F; \* E7 T - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)- H0 U; x, i+ C9 g/ K# r- ]! `. l. c
- return 1;: m5 p- @" x8 N/ d
- % m# Y7 u* T$ _ e, N# L
- printf("Current parameters: \n");
7 |# I6 V0 L% B( |9 b$ N1 w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ K# N1 o/ i! {
- printf(" STBID: %s\n", stbid);
4 Q/ |* q. u0 `& D -
. f( p9 r+ \2 c6 s - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
9 q8 v4 W0 U2 k - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 G% ^! C6 M6 e
- printf("Input MAC error\n");) V/ u" N; v2 s) E8 {5 X
- return 1;: u' E% }2 l6 f# o; H- A# I
- }/ _' Y5 M/ p* Z
- for (i=0; i<6; i++)mac[i] = macs[i];
! T2 D7 X8 w/ W3 a4 `$ t9 U - printf("\nPlease input new STBID: ");
- y9 c6 a$ r; g6 g: t7 l - scanf("%s", stbid);0 L( g% `$ w1 ]) F# F
- if (strlen(stbid) != 18) {
. \/ {( g) ?0 T7 d1 g. i - printf("Invalid stbid\n");* ]$ A; \0 d8 s X
- return 1;4 ?+ j- U t/ v$ y
- }
4 ^$ C: n$ `: D T# [4 Y- p' N - printf("\nNew parameters: \n");0 {0 K0 F& j% \4 `$ j7 L0 U
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; z1 v* W+ h: h - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");! p, Z. t8 {4 Y0 F7 l
- for (;;) {# u. P4 ?8 B# s
- c = getchar();
! ^; Q7 J( q1 q$ o. V- I& x - if (c == 'y' || c == 'Y'): U+ a2 [$ d5 \" c( Z
- break;1 R* W- E3 T- {! d
- if (c == 'n' || c == 'N') {% v9 u7 u0 I' S) f
- printf("\nAborted.\n");
, p0 Y& Q8 e# d - return 1;/ V# v# E# Y3 e5 f. ^7 t* q
- }2 d, G# T* O) C+ J* N3 T4 v7 s
- }
+ x* K, }3 t9 v/ P5 X - if (writeparam(mac, stbid) == 0) # S" E9 ^- a6 D0 I" O
- printf("Parameters changed.\n");5 [) r& S$ V* K, M& _
4 T8 \$ A- r/ x- E. A- return 0;
5 {5 ~: U- e( \% \; | - }
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