本帖最后由 0522 于 2012-3-21 23:04 编辑
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( J+ ]- _) |& r3 u8 W修改的代码早有了。到今天不会编译。
( x' e& A( p3 {/ m: a) J7 i需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; M, K. t, w H6 S# y
- #include <malloc.h>
" B0 j& O! l' w+ R; s4 z - #include <sys/types.h>
, t9 t4 {. Q; U1 a0 q - #include <sys/stat.h>
8 s: k' [& X5 K; K2 h8 A$ [% M - #include <sys/ioctl.h>, c$ s9 P) {9 h* _. ^
- #include <stdio.h>5 `3 O% C; E- B6 c, c8 [. ?& M) c
- #include <string.h>6 m, a% A2 y/ L! G3 U& Y
- : o: x" Q$ M( {: m, @2 K/ u" z
- typedef struct {
( M' _1 p3 Y0 d - unsigned int e2prom_cmd_sub_addr;; J7 Y$ m1 P }8 H9 s: m* Y8 V# `
- unsigned int sub_addr_count;" o" g8 |! x/ k- i
- unsigned char* e2prom_cmd_data;( f/ X$ P- m* a7 G7 d
- unsigned int data_count;3 A1 ?) f9 \7 E
- } e2prom_s_cmd;0 t: O8 t! S3 H- c) U
2 P1 ^5 I" w' M) I- #define E2PROM_CMD_READ 1
+ y0 _; V! Q/ `* ~2 E% p* {* p+ U2 R - #define E2PROM_CMD_WRITE 2: R1 Z7 { M6 b4 R1 a8 J& b u
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; c5 o. z/ w, t# J" |; ?
) R$ E5 B5 X+ c+ u+ O- static int readparam(unsigned char *mac, unsigned char *stbid)& k2 c( ?7 F9 X% e6 U
- {" n q' b* A. c4 q) b9 a
- int fd, ret;
. g3 G; \$ K/ Y- V6 t- \, p$ k - e2prom_s_cmd arg;& R5 o( k6 c: E+ y6 B& w4 `
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);- s& z( V3 U a2 d4 ~( Y( i
- if (fd < 0) {
" q& N( W: S: w/ U5 I - printf("Device %s open error.\n", E2PROM_DEVICE);2 x8 L$ N! G$ f6 X
- return -1;5 k* H! B3 ?. x p$ d7 D' Z3 k2 ?
- }( ?5 w: r8 H; J f* _! q
- arg.sub_addr_count = 2;! | D9 V% O: A3 n
- arg.data_count = 0x18;( @1 P2 A- o& W3 x r5 l6 m
- arg.e2prom_cmd_sub_addr = 0x290;7 Y' v' n: W. q, u8 u: ]4 k
- arg.e2prom_cmd_data = buf;( v9 A% Z1 G: M* B0 ~1 N7 [; k
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);% v. D: X* T) |3 M: L3 R/ s" l5 f( X7 X
- if (ret != 0) {* ?' I$ Z+ `0 g
- printf("Device %s read error.\n", E2PROM_DEVICE);! {: m& s! V, P) {* j
- return -1;. {$ I# H: F7 c3 N- ~- w" e5 B
- }
2 }8 g4 m2 F Q/ S6 R: ~( d - memcpy(mac, buf, 6);
, C* d4 c, S% K8 U; J - memcpy(stbid, &buf[6], 18);
' Y3 `' d6 c: v9 _7 D - stbid[18] = '\0';4 {+ H: h# X: \5 u
1 o; _: X5 d8 S* H* n1 }: G- return 0;
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6 F4 J3 m9 X$ L; `- static int writeparam(unsigned char *mac, unsigned char *stbid)
; J1 J8 `0 C2 b" h0 F - {
! k, u$ q! O2 O! j9 P - int fd, ret;
' _9 g. f7 X" m6 r - e2prom_s_cmd arg;$ G* }4 j5 h% V( R
- unsigned char buf[0x18];
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: J U/ v } S9 ]% V0 [1 m5 }# z- memcpy(buf, mac, 6);
4 O& {# i5 W& ^2 M - memcpy(&buf[6], stbid, 18);4 M! r* u8 E" A. s+ z2 j
- fd = open(E2PROM_DEVICE, O_RDWR);
/ h* H, @& \( k) b3 O ]5 X - if (fd < 0) { K8 [# ~! m5 t
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 l/ K9 m5 m- i# g% V" s1 d# Q1 m, X4 ] - return -1;+ b7 X) L9 ?: K) y7 E
- }" ]& G: v) Q* F6 f' ]
- arg.sub_addr_count = 2;
, Z& a! e: }, | R1 M. U; R - arg.data_count = 0x18;
$ ?9 y" }- p' D6 t" l) J4 t - arg.e2prom_cmd_sub_addr = 0x290;8 P! S) Z% O/ n
- arg.e2prom_cmd_data = buf;
/ h7 L, f% X$ G - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
$ {2 E% r2 C2 D - if (ret != 0) {
7 n! A; Z4 u$ u - printf("Device %s write error.\n", E2PROM_DEVICE);
( m6 J8 N0 G, \% H$ g - return -1;! `1 }2 F" X# g) B
- }2 G6 t9 y: A' [
. n4 `! ~8 o0 B ^" L* y- return 0;
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- ?+ O- v+ I( q3 T1 F9 Q
- int main()
) Q) G4 \, U4 Q5 f& K& Y - {
6 O: D3 |$ b) m% e8 e3 Y ` - char c;
" W, y. P8 l4 ^8 f0 f! ]6 a - int i, macs[6];6 [! B5 H2 X+ K, v# N
- unsigned char mac[6];
( O" V: M# Y3 H8 E8 q: O. ` - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
8 N, X; D) N+ u0 j - return 1;
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- printf("Current parameters: \n");8 ?5 R, L$ g" o; y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% r C) j* g& w4 d9 }+ m5 d
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
/ ^' M- L6 C! o- m7 b& a$ C% X& F. m - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" `7 W# l; w, x& R
- printf("Input MAC error\n");
4 T6 O4 r' W2 R5 h8 h5 c, ?/ H2 ?' G" D - return 1;
% E; M- R- f3 U7 \' f - }
* F$ S. r( D8 P$ q2 D8 i$ q" A - for (i=0; i<6; i++)mac[i] = macs[i];, h, K- S5 t% z* t! [5 Z1 t
- printf("\nPlease input new STBID: ");
/ c0 P7 v# C3 I$ P/ N& ` - scanf("%s", stbid);9 O9 z% q2 o) Q7 {1 ?
- if (strlen(stbid) != 18) {* k9 N: C$ ]4 P" p. c, y( u, x! |& P
- printf("Invalid stbid\n");
" X2 t+ a, C9 U' b1 }; ?: X9 M8 ` - return 1;: c) s8 k( n* Z) |: J: v
- }
8 t2 C1 o' c) |* t( | - printf("\nNew parameters: \n");$ C2 G- m' a$ b% x6 X; I" w
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" j7 u$ z( L9 M$ a1 B- P% J - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");0 B0 z) U& T, _% y6 S ]
- for (;;) {
7 f8 b" [1 o {+ q" T - c = getchar();6 X; p1 E7 _! Y2 J
- if (c == 'y' || c == 'Y'), _3 `: o8 x; l9 E- c( N4 Y
- break;
3 Z8 g& K" p3 R - if (c == 'n' || c == 'N') {
/ S" W) N- m, L/ P$ Z - printf("\nAborted.\n");
1 q3 r( v) \+ l; h - return 1;. i0 n& ~3 k( r
- }
4 |- J2 u9 p( F, |# [, W - }- y4 ^; T9 z: E# w& b6 J1 t2 O% M
- if (writeparam(mac, stbid) == 0) % a- v: E" Q0 L# i. j/ a1 h' l
- printf("Parameters changed.\n");9 d# g5 S; U' L" K* }: o
7 T: _, F' B! ]- return 0;
: |' Z1 E( H# s9 y: K% O - }
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