本帖最后由 0522 于 2012-3-21 23:04 编辑 d$ m4 r7 m8 E: R i
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修改的代码早有了。到今天不会编译。: e1 I5 K& ?$ {; v+ [5 _8 M
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> Z$ j2 U$ _! D7 o+ G
- #include <malloc.h>
+ ]3 @" _' e' U - #include <sys/types.h>
. K1 O, G4 `: Q9 O6 g+ U( \' E - #include <sys/stat.h>
# l/ \, d6 L: h7 o1 T+ [( T6 y/ f - #include <sys/ioctl.h>- N( }8 l' W2 F7 q. D1 H4 m& s/ _
- #include <stdio.h>
' E( g' R6 k& T3 Z3 V - #include <string.h>% X) I, q# o9 M: I! T
5 B0 a4 l( R% Q9 ~0 \- typedef struct {
) k6 b# K9 Q' i- @2 \/ ^ - unsigned int e2prom_cmd_sub_addr;
$ ~: y0 m6 T5 D( _" b, o7 g - unsigned int sub_addr_count;, {7 M/ l$ C% N, M( N3 X
- unsigned char* e2prom_cmd_data;) D( e& w8 P% s: `
- unsigned int data_count;
{7 R* }2 u. d8 P - } e2prom_s_cmd;% j( H5 s$ E1 r* z. u/ r5 a
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- #define E2PROM_CMD_READ 1
& L) J5 P1 |5 [! w% m - #define E2PROM_CMD_WRITE 2
$ s, m2 N& ?- j4 M - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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" a* m! }: f3 h1 d8 ] - int fd, ret;
# v" Q* N A1 e! f; H - e2prom_s_cmd arg;7 |2 G2 i. M. h; w* h/ d
- unsigned char buf[0x18];
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6 L: ]$ i) `% x2 ?# W; C( o- fd = open(E2PROM_DEVICE, O_RDWR);
" {7 [$ U+ b: ?& e - if (fd < 0) {
- t3 i' u/ q2 _" m3 Y% L3 d1 \7 X6 [ - printf("Device %s open error.\n", E2PROM_DEVICE);
0 M' g5 r0 e; z3 q- a) ` - return -1;9 ^ w* p5 r9 d- ^
- }
4 F3 l0 g6 A N L4 w' i* N - arg.sub_addr_count = 2;
2 H0 ^5 p1 P( v - arg.data_count = 0x18;" ~8 Q2 |! N6 |: J O
- arg.e2prom_cmd_sub_addr = 0x290;' P; t: y' O& G6 I5 {0 K. l; m
- arg.e2prom_cmd_data = buf;
( @. [! @- Y4 Z# J" e - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
( G1 C2 Y5 Q* H# E - if (ret != 0) {6 h. I- t$ W0 W' R+ W9 `
- printf("Device %s read error.\n", E2PROM_DEVICE); z& b5 U }( |
- return -1;
0 @7 |3 N% ~4 l$ _- h% W O - }
1 O0 U+ A9 g/ a: U* U, [, P - memcpy(mac, buf, 6);
/ G& a: y- j6 f1 j - memcpy(stbid, &buf[6], 18);3 O% R2 o b2 `( o* D; L
- stbid[18] = '\0';( n# F2 n- G" T3 i) }) j
4 A: P( w" { A; r# p- return 0;
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6 } |4 o3 M+ {9 L- static int writeparam(unsigned char *mac, unsigned char *stbid)
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1 X1 { v, ?7 W- b - int fd, ret;
) y! b1 b7 G2 M2 G( U - e2prom_s_cmd arg;5 {* {/ d0 z. a
- unsigned char buf[0x18];
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$ X& g9 ^- t! b4 t5 H7 r( _' Y- memcpy(buf, mac, 6);( h5 r0 f0 k) o0 F* H' t- K
- memcpy(&buf[6], stbid, 18);
" [3 p6 @( @. C& R% o - fd = open(E2PROM_DEVICE, O_RDWR);& l6 ~1 `0 |! {+ Z( i
- if (fd < 0) {
: V+ r9 @5 V" @( O- c - printf("Device %s open error.\n", E2PROM_DEVICE);
2 P, `' o% x4 |! E( b! I - return -1;! S$ d, `/ F7 d2 u2 V# z% y0 w
- }
$ l- A. y8 j6 d1 ^+ @( u d& D1 q - arg.sub_addr_count = 2;
0 r# \# @* q4 h! g- x - arg.data_count = 0x18;
' D* R1 @3 ~* b - arg.e2prom_cmd_sub_addr = 0x290;4 x7 F2 @+ b5 M
- arg.e2prom_cmd_data = buf;
/ F9 `$ Q% Q( t0 M, k/ I - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
- f) k7 N, }/ ^+ u+ s9 g8 p - if (ret != 0) {
8 u- _2 y& E r- P) U - printf("Device %s write error.\n", E2PROM_DEVICE);1 m ]5 ^' A" j m2 G$ J' l
- return -1;" i$ d3 Q4 e3 d0 }3 [; ^6 e2 `
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- return 0;
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- int main()
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- char c;
0 q q1 I D8 P2 K0 J - int i, macs[6];, j8 }6 e! J$ j/ t0 w! Z6 i
- unsigned char mac[6]; g9 F& h- [( e4 f" G0 b
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)* `$ `. A+ v5 a1 a
- return 1;
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- printf("Current parameters: \n");" G- o. ^# i. B# [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. k& i# z) v- M - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ y+ q0 |& n0 o5 X S
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {2 j7 g8 {4 v: s1 \) T
- printf("Input MAC error\n");
$ t$ x+ Y. k) `# b" J1 I$ c. h |" ? - return 1;; {- [5 V3 b& |
- }; ` i7 W3 ^5 d* P0 s M0 Q6 @8 H
- for (i=0; i<6; i++)mac[i] = macs[i];
& r' f7 d5 e1 D+ R9 n9 M - printf("\nPlease input new STBID: ");) q+ o I' l; U6 O" L0 Q# G
- scanf("%s", stbid);
+ G! z% o( g, B, n - if (strlen(stbid) != 18) {- g# D* g- K1 |# I& D7 A' u: ]
- printf("Invalid stbid\n");
7 R' \1 _0 Q/ d- J% V6 n - return 1;
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- printf("\nNew parameters: \n");( m+ J# L5 T; |
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 U6 E7 x" [ V" k w9 ~# \ - printf(" STBID: %s\n", stbid);+ O' G3 g: ?7 J9 L7 t1 f
8 Y0 u4 c3 K# ]- {! o! ~- printf("\nDo you want to change paramemters? (y/N) ");9 F( e# \. v! m+ r) ~
- for (;;) {
5 `8 N& ?+ Z$ @" f+ p" W) a6 V - c = getchar();
5 y; T% Z$ q3 q @/ S - if (c == 'y' || c == 'Y')
+ M5 {7 {, H( m - break;' x2 \( I/ t) J8 G: w
- if (c == 'n' || c == 'N') {
+ R- o0 d3 W4 X - printf("\nAborted.\n");0 T5 T% U8 H" q6 H8 O
- return 1;/ J. a' t) b+ ]0 L4 g% u
- }
; ]! p1 R! ~6 c- {5 v - }
4 _! v; s" o( m# S2 ~# i: c) A/ H1 y+ I - if (writeparam(mac, stbid) == 0) " r. u; ^2 r; J
- printf("Parameters changed.\n");) c/ r# y$ s6 b$ H
9 ]9 {+ H8 y9 U8 \' {- return 0;
- @$ n8 U; f1 u8 }( @- X8 E, B - }
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