本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。, g( k4 C1 O: x4 u; ~
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
8 ^) |# _/ z* `7 [) T' h% L - #include <malloc.h>
& s! {" [2 I. Q - #include <sys/types.h>
1 s- L: \7 v. b( j8 j# [' o5 s - #include <sys/stat.h>
/ q$ r% W6 ]3 f2 E - #include <sys/ioctl.h>( G, h3 P8 T7 L
- #include <stdio.h>
9 u+ O9 v8 S$ I' b+ i - #include <string.h>
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. g5 E( \# L1 z% `$ ^& A# |0 ]. }- typedef struct {
Z8 m# j6 Z9 j1 h I' m - unsigned int e2prom_cmd_sub_addr;# J: p* H* A' R9 E4 A
- unsigned int sub_addr_count;
# T4 G2 E* Y. @1 ^+ @& e; ? - unsigned char* e2prom_cmd_data;
; d6 R5 K8 \, f# D) Q; x# Q* e - unsigned int data_count;) J% \; [" c, Z z% U1 O
- } e2prom_s_cmd;# K; J+ h X o
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- #define E2PROM_CMD_READ 16 t* W5 g9 l9 }5 e- C" K
- #define E2PROM_CMD_WRITE 2
9 D u( I* i& _+ K% y7 U - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ n8 [2 B! H4 }( j* W2 D
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;) i0 d9 h( e) ~8 @ W
- e2prom_s_cmd arg;
# R) \- P: D% C$ x2 w! o - unsigned char buf[0x18];& u9 I# t6 }4 z, I+ V0 ^# s
) ^8 f* L* V j& N, C- fd = open(E2PROM_DEVICE, O_RDWR);
" S, j2 B' u/ f' l/ t - if (fd < 0) {' u5 I3 v- r) D$ U/ M% Y
- printf("Device %s open error.\n", E2PROM_DEVICE);: l2 f5 u$ V5 @# ~+ S. D' M
- return -1;
0 e* M* B# J2 \5 k2 x - }
% P6 U# v5 f& R% ~/ f - arg.sub_addr_count = 2;: L# A1 L6 M& @- R7 l0 l7 d
- arg.data_count = 0x18; H0 e3 r* r2 d; S, D- H
- arg.e2prom_cmd_sub_addr = 0x290;( R5 P2 G" R A4 G0 o7 x2 w% M
- arg.e2prom_cmd_data = buf;
# ^5 C( j: \! H0 y3 L - ret = ioctl(fd, E2PROM_CMD_READ, &arg);! e1 }, }* F* F8 T- d
- if (ret != 0) {
: ?8 F# Q, o$ n1 \1 W# T - printf("Device %s read error.\n", E2PROM_DEVICE);
/ j ~) E$ k! D; | - return -1;
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- memcpy(mac, buf, 6);
/ `- B8 j( ?& Z' e0 R - memcpy(stbid, &buf[6], 18);
* y$ ` X$ p- L5 R - stbid[18] = '\0';
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3 z/ x, U8 _3 f9 a4 G0 {- R: b- return 0;
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1 L/ r' r- K( @+ }, N, C9 f- static int writeparam(unsigned char *mac, unsigned char *stbid)
% \/ W: d; X" `1 E! \. q# j, M - {
" L) b+ Q" b$ H1 t5 J0 C* ~* h - int fd, ret;
3 W! F3 R% ^2 E; G/ x' u - e2prom_s_cmd arg;
% k1 U$ l. _) D - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);( C6 C: `8 T- j- t2 x. x
- memcpy(&buf[6], stbid, 18);& d; Z" H3 |; Z! }; P6 L
- fd = open(E2PROM_DEVICE, O_RDWR);$ G, I& |$ E+ N9 V
- if (fd < 0) {
* C* U2 K& P1 r4 h% S - printf("Device %s open error.\n", E2PROM_DEVICE);
2 S5 y. d: M8 ]' L: j9 V4 |. M - return -1;: m2 q& w7 r4 p
- } i3 P2 E/ E: t+ h6 i
- arg.sub_addr_count = 2;
2 i1 `+ y. G) Q6 i - arg.data_count = 0x18;! S8 g2 Y6 ?* W6 n% h* u1 X7 b
- arg.e2prom_cmd_sub_addr = 0x290;
6 E' d- j( n; O( \2 } - arg.e2prom_cmd_data = buf;6 \7 J. }7 E) `" H F8 ~" Q
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);# u+ a% f1 w+ o
- if (ret != 0) {
/ h! [. q" J7 D3 h& k - printf("Device %s write error.\n", E2PROM_DEVICE);
2 b7 \3 `) d1 z! H3 |; f. o/ _) ] - return -1;6 r3 n1 l& u) Q8 p) H# ?: K9 F7 k: t
- }
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; {" y/ E3 H5 S& Q: {1 p3 M3 D1 G- return 0;
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- int main()
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3 Z8 R6 L( c4 n8 v6 P7 \ - char c;
2 m4 ?* Z% k2 |- r, y# N+ u& t - int i, macs[6];
& C; ^6 T6 k& U/ F7 k+ `- W - unsigned char mac[6];( S1 S& y) _/ a$ Y* ^. v
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)8 x( E/ y: z5 a, `" H( ?
- return 1;' \. o! K1 q* c! h9 Q3 g" Z
: P4 `. i3 l+ m" }/ u8 Q- |- printf("Current parameters: \n");
4 w6 @! N' b6 p0 t7 t: _ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! X3 y% @* L' O" e( d9 P
- printf(" STBID: %s\n", stbid);
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1 ~3 u3 x$ k/ p6 X - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. E, i' B$ g" C; C) n6 w
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 k% a; _5 x+ Y* ]+ ^. m* a! r( R - printf("Input MAC error\n");% E+ _, {4 k/ d7 Z% H$ {
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
1 z5 D1 V; s' ~ - printf("\nPlease input new STBID: ");% b( Q) O$ c; b: f; f# T
- scanf("%s", stbid);
/ G; w2 R+ x0 c, a3 } - if (strlen(stbid) != 18) {
' t$ ?: ^: z+ I m, C# ^ - printf("Invalid stbid\n"); z( v% C/ `5 G% L+ s1 [. Y3 j
- return 1;, y. n) O/ q; U9 B, V1 q
- }' W2 j7 n- A* T$ A% R
- printf("\nNew parameters: \n"); M0 G- z; R1 ~) n/ L3 f
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 i% G. j* O& R& X9 K2 h - printf(" STBID: %s\n", stbid);
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# u3 F# l# Q7 z( g' G- printf("\nDo you want to change paramemters? (y/N) ");/ v: }9 o- z# L' A9 B! q+ R( z
- for (;;) {/ l2 N$ }9 F& w
- c = getchar();
; ^9 p: Z) z# {- ]* e' j2 v - if (c == 'y' || c == 'Y')
, I: N7 o0 H. ]/ e - break;: o" ^# ?& @ c3 U( x( I% u9 t- L4 M
- if (c == 'n' || c == 'N') {
+ k; d! \! i5 S- i+ m% z- _ - printf("\nAborted.\n");
9 x* V$ Z' g# ~, s; | - return 1;
0 C+ y1 X" Z+ H1 N - }* b9 C5 E# j$ }
- }
# H) R# w1 x" } L& t - if (writeparam(mac, stbid) == 0)
9 K* Z# O9 h: _6 \3 D" }$ w) \ - printf("Parameters changed.\n");
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- return 0;5 A: ?3 f5 ]; {# Q; J
- }
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