本帖最后由 0522 于 2012-3-21 23:04 编辑
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$ W4 }( G$ C1 T修改的代码早有了。到今天不会编译。
5 ~8 S2 t+ |% F! ?4 p E需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 v9 E0 ~8 E! e1 q
- #include <malloc.h>, Z" \7 \4 y/ T8 W9 ^# Y3 ^" D2 w
- #include <sys/types.h>
: S0 y1 E6 Q+ `0 C - #include <sys/stat.h>( k. |+ u) x/ D. k) E& `
- #include <sys/ioctl.h>
5 {0 g5 K2 ~5 a/ ?, X# a - #include <stdio.h>. L+ w0 P# g; ?( |: O2 E: z+ |
- #include <string.h>, n& \4 O2 W* C1 ^* \2 B: s, Z" z
$ p8 i- u2 ?& P+ ?- o$ ^0 z- typedef struct {
1 ~6 V" v$ ?6 y% S - unsigned int e2prom_cmd_sub_addr;5 Y. `6 z/ y o: b; \
- unsigned int sub_addr_count;
7 r, R! k& N9 g. u - unsigned char* e2prom_cmd_data;
( h; D2 T) Y6 a, z0 Z9 w - unsigned int data_count;
( c" v7 s# O' S - } e2prom_s_cmd;
, G5 h! ]4 g' e. Z0 W7 ` - " r$ E0 f& B5 W& V
- #define E2PROM_CMD_READ 16 ~, L+ e; D- f0 }% }0 _
- #define E2PROM_CMD_WRITE 2
8 j' O& c# j: j* R - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* ^) \1 Q! r. ?8 ]
5 Q6 d( \' ^9 B8 h# t( w- static int readparam(unsigned char *mac, unsigned char *stbid). Y, ^& e0 q& J) ]& I! n, \" Q
- {% ^0 P1 Z" t/ b
- int fd, ret;# o: l+ Y# U ?! m% m( C5 o7 `0 M/ }
- e2prom_s_cmd arg;' J0 R @- a: `0 a0 x
- unsigned char buf[0x18];2 i) y: \5 i/ l
$ t* ^" Y K) Q5 |! g& b. E' ~- fd = open(E2PROM_DEVICE, O_RDWR);5 }% `' H1 B( j7 Y3 A/ H
- if (fd < 0) {! Q7 `6 m5 ?/ d* S) w+ f
- printf("Device %s open error.\n", E2PROM_DEVICE);
; D/ b* G7 Z) ]) W5 S5 G - return -1;4 _+ l& g4 }+ N3 v: s7 m$ m
- }
4 |% f, H0 K" _) j* _ - arg.sub_addr_count = 2;( _. G/ `8 u+ P
- arg.data_count = 0x18;- N# {1 f% Q9 I! Y" [0 P1 o
- arg.e2prom_cmd_sub_addr = 0x290;# c( a, W2 E+ Q" y
- arg.e2prom_cmd_data = buf;
5 R0 E- Z4 ]/ }9 j3 N - ret = ioctl(fd, E2PROM_CMD_READ, &arg);' f0 x) @2 }* U9 V" u8 U
- if (ret != 0) {
$ x& M2 ^" }6 F& S4 T9 ] - printf("Device %s read error.\n", E2PROM_DEVICE); V: X/ T9 ^+ W
- return -1;1 Y3 p$ d6 s8 d; y# N' A |
- }; q4 H3 k9 G4 z
- memcpy(mac, buf, 6);9 l# L/ Y I; H& v
- memcpy(stbid, &buf[6], 18);
* z, v# {7 \" i9 n! A3 S - stbid[18] = '\0';
8 Y2 j: ? t) J& I i% A - ' ?$ \0 p1 n. t+ R) g( y
- return 0;
2 M1 e: H- M" X, B+ V - }
: h! I, n3 S" C# K7 d, P
& t- w9 g5 @/ y( s- static int writeparam(unsigned char *mac, unsigned char *stbid)
4 P/ z# r) S7 l* x E. t, K2 q - {
5 u+ P* O z2 r! a9 @/ g: w - int fd, ret;
& R, n8 \6 V% J9 L - e2prom_s_cmd arg;
% ?4 @: k$ @- Y$ r! h - unsigned char buf[0x18];& w; Q8 g3 K+ x- Y% m2 K7 \
- 3 ?) r& Z' h; A; J0 g- l# C
- memcpy(buf, mac, 6);
& M( b$ f/ [2 J4 u. Q - memcpy(&buf[6], stbid, 18);
+ {/ y" l. @. d: c5 n8 q8 h - fd = open(E2PROM_DEVICE, O_RDWR);
! E1 Y6 U- F: n - if (fd < 0) {
' q1 J9 A$ y$ X# t7 D5 J: O - printf("Device %s open error.\n", E2PROM_DEVICE);
~2 o7 X7 s, y! d* U5 F6 s o% \* { - return -1;
3 T3 A3 E) B" U! ~9 \' }: q2 N+ | - }
8 \% j( Z9 V7 g+ Q - arg.sub_addr_count = 2;. u/ {6 @0 x) q. L
- arg.data_count = 0x18;8 Z8 g8 N: r q3 O
- arg.e2prom_cmd_sub_addr = 0x290;
: `& {* r" q7 e5 k' f/ k. z - arg.e2prom_cmd_data = buf;4 R, Z2 q; o$ _; s
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
3 q; b, a% L) _4 P( U- O - if (ret != 0) {( g# `. J6 ]3 {
- printf("Device %s write error.\n", E2PROM_DEVICE);
- V; B0 t" y3 z! N - return -1;. ? O. b1 o: B; W6 `0 g; K0 B
- }
& Z% g( W& l. S! D2 t. O: k( B
. ?% H$ l; u( u$ h& P- return 0;
% A! V8 w+ Q; [0 G. P: z3 H" W5 F3 P - }
+ R/ }, a4 c! d# S - 5 R. h. p' d- G& J6 }
- int main()8 j) Y- e4 U2 g7 A
- {0 q! f A3 K: y; @& }7 @! t0 s" y
- char c;
: `, J! v8 G& V1 F% L - int i, macs[6];
* p4 z% _- z3 S; R/ h - unsigned char mac[6]; P2 b4 O+ X0 h+ l0 b8 ~
- unsigned char stbid[256];
8 g2 e3 W9 J: c5 A! e - ; y! ~8 C) d, K# r
- if (readparam(mac, stbid) < 0)
, c. @; ^, d! Y$ K* V( }7 S* J - return 1;
+ @ v* |) }) M, U% E$ V# w - : n/ V" _0 {3 _, }! U8 Y
- printf("Current parameters: \n");
5 s, ?& N% o5 M( m5 W - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 g0 f' L- Y3 V# x - printf(" STBID: %s\n", stbid);
2 M3 Y& B3 o3 |5 e# j - 3 Y- A: v/ U, V* Q* Z
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 ^( ?9 y0 s& T( P$ y8 m
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 G+ G8 a' ~6 a# Z
- printf("Input MAC error\n");
/ _3 J4 S3 G( o/ p! z/ E: t - return 1;
% _( [* V1 ^4 E+ e - }2 u- w9 y! V' R
- for (i=0; i<6; i++)mac[i] = macs[i];! ^$ {$ x1 Z5 k/ D+ j
- printf("\nPlease input new STBID: ");
8 r7 E9 t- v* T9 [$ t M - scanf("%s", stbid);& ], }! V9 A2 @$ Y8 ?
- if (strlen(stbid) != 18) {
: L' o f+ j' }0 S8 N2 y - printf("Invalid stbid\n");. d6 Q3 m$ M$ F! I
- return 1;1 N7 I- L, i# ?( ~
- }* `# W7 q2 I: s& y+ ?: ]3 c! t
- printf("\nNew parameters: \n");# c8 n) k8 |+ x& C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- i! E, l: `* t - printf(" STBID: %s\n", stbid);' _' t H# n; W' G7 m1 n
- 6 t* c' U& r! A
- printf("\nDo you want to change paramemters? (y/N) ");5 q( u0 n: t7 ]3 Z3 r
- for (;;) {
5 I. `( \5 ]! i* U - c = getchar();
+ x# U, u" K" G( w - if (c == 'y' || c == 'Y')" g. _ R& J; ^$ d
- break;7 ~- p9 v4 l5 @' C
- if (c == 'n' || c == 'N') {
0 j' A" G; j$ K, q - printf("\nAborted.\n");3 d( f9 c, T& Y7 z, z! P
- return 1;
; h- i4 M. \! _/ t& s: @8 L) } - }
1 R) s: Q) ?$ |+ a" @5 A v0 J7 U - }; _6 G3 ]* p: [) a* A! U
- if (writeparam(mac, stbid) == 0)
! {! z) T$ L# c" e0 A+ t - printf("Parameters changed.\n");9 f4 v* g8 n0 `/ @% ?3 t- |3 S) N% u
- 9 e8 R3 m u/ m9 U
- return 0;1 h( u" D: n' B2 o/ X% V) W' _
- }
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