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。2 r& X0 g" ]: g1 P- S' g
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' G3 w- F' {" Q" ]
- #include <malloc.h>
8 l1 g+ O- w) c+ N! e - #include <sys/types.h>' _+ o, {" A) K4 C" u6 L0 x5 |# `
- #include <sys/stat.h>1 e$ N, j2 a' k; u' g; V. y
- #include <sys/ioctl.h>6 U( j L0 b* N( D) x+ d8 _6 {
- #include <stdio.h>
, u5 P6 A+ F: s) R# ^* C - #include <string.h>1 m% j9 ~+ m$ p
/ D% }2 r6 z5 u) v; c( ?, ]. v- typedef struct {8 v! M' @, l; O' ]1 K+ a
- unsigned int e2prom_cmd_sub_addr;
: l) r8 w5 j6 V8 ]2 U* X2 x - unsigned int sub_addr_count;7 W- g* E: M4 M! U- D) p
- unsigned char* e2prom_cmd_data;
" u& u. m' |7 J: N K: N - unsigned int data_count; @5 _4 v, l- W3 n( D
- } e2prom_s_cmd;9 \ a5 e4 D" S0 o+ ^5 \& W$ Q
; D- D1 Z& Q/ R4 m+ H- #define E2PROM_CMD_READ 17 b2 F. }$ s5 `1 p
- #define E2PROM_CMD_WRITE 2
2 S3 ~7 X/ \ H- e. K" ^ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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1 d- `* b0 j3 E+ B3 H- static int readparam(unsigned char *mac, unsigned char *stbid)
I1 B6 H- Y7 O6 o C - {
: Y K0 L7 [) g( i0 z5 ^, e: x - int fd, ret;% F* p( x1 o. T' n2 {8 S e! g
- e2prom_s_cmd arg;5 {4 m" \! S$ n. c4 W& z
- unsigned char buf[0x18];7 [0 Q( u: r7 t
- * A2 A5 x- e; \3 e" G% z0 x
- fd = open(E2PROM_DEVICE, O_RDWR);2 h/ x. B2 c3 k' Q2 h! U4 Z5 S
- if (fd < 0) {
$ j' G, Y1 F- Y& x" K( h5 s! @ - printf("Device %s open error.\n", E2PROM_DEVICE);
+ P+ x5 E; |/ ]2 \" _ - return -1;( c Z3 q9 c% y1 p& l* [; L
- }
! F5 G n5 t* Y$ t3 U1 I4 `7 t - arg.sub_addr_count = 2;
u; [7 K+ V' N - arg.data_count = 0x18; p9 E9 N0 c+ \- {8 o8 l
- arg.e2prom_cmd_sub_addr = 0x290;6 |9 ?# Q* j1 P7 k8 f, U
- arg.e2prom_cmd_data = buf;
# H3 y, }, B, c% s+ h( I - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ B: H$ ~5 b0 N6 y. c; W - if (ret != 0) {# o5 l6 m, o6 L7 L- v6 _' r
- printf("Device %s read error.\n", E2PROM_DEVICE);% [# }$ t' E: P. e
- return -1;1 N6 {; J% l5 x6 Y8 G
- }
/ i4 U& s0 ^+ V/ H; [3 a' ? - memcpy(mac, buf, 6);
! q" `3 y U1 W4 \0 w: g - memcpy(stbid, &buf[6], 18);* c3 h. h- W! S" W% P" r
- stbid[18] = '\0';# Q; ^" Y/ @& e; k+ O1 G. A
# L. l. T! j7 M( ^, d- return 0;- v/ I7 E1 j5 L
- }
- E: d0 h( M. M$ I- |
7 T: U8 n3 b% H6 z- static int writeparam(unsigned char *mac, unsigned char *stbid)
! E# ]7 R1 d4 a# \& [6 o - {
% w6 g2 Q: V- q$ q - int fd, ret;
6 ]+ O9 F9 R: @4 F/ E - e2prom_s_cmd arg;
$ g% _1 A$ N( ]3 ^ - unsigned char buf[0x18];
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# O1 D7 F6 E5 {2 U- memcpy(buf, mac, 6);
5 r" \7 m2 f S; U% G& ?$ Z, B - memcpy(&buf[6], stbid, 18);
2 ~6 I* f) N8 o - fd = open(E2PROM_DEVICE, O_RDWR);
5 i6 |* V" c0 y4 m& d8 q - if (fd < 0) {- \- E# |% M/ N8 l4 ?* c
- printf("Device %s open error.\n", E2PROM_DEVICE);
6 w3 M4 N( \) l - return -1;
/ i; ^! Z" k. S4 I( d/ {, }" T# Z - }& u8 t7 j" l; r
- arg.sub_addr_count = 2;5 ~1 I) C; m y' O4 f# }6 `
- arg.data_count = 0x18;$ q! ]! }' }& B5 o% k+ ^- E+ t2 y
- arg.e2prom_cmd_sub_addr = 0x290;
; u$ f% k9 ^( [ j - arg.e2prom_cmd_data = buf;
/ E5 U- K0 I, T, ?+ f - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( B6 c M' {2 z, w5 h$ b, u. b$ |$ o - if (ret != 0) {
+ r* U. t, k' u0 W- z, z- c; d - printf("Device %s write error.\n", E2PROM_DEVICE);3 i: N6 S8 h3 @5 }; i, T9 n
- return -1;0 A4 _2 Q7 R' T2 {- S X' _
- }
: [4 I+ v3 E: H - ' H0 G1 V, ?! N8 J X5 [" p5 d1 D
- return 0;8 j W1 |# h& p$ Q" d
- }
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8 s* D9 |% z1 W* G- int main()! |7 K: z; F3 K7 `) s
- {/ O1 S! I7 }8 q# q; |" x
- char c;
% U. P+ H$ g; K$ S9 W3 G - int i, macs[6];5 Q& C9 Y! r2 c
- unsigned char mac[6];2 N$ B3 @* j7 Y3 a6 K2 }0 n
- unsigned char stbid[256];
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! j `1 N6 C# x. t% l- Q7 @; C- if (readparam(mac, stbid) < 0)
$ i# O, f" C" p - return 1;
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- printf("Current parameters: \n");
4 n0 r1 c, g- B8 n/ g( [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 t, K0 \/ V* A% Q3 f S6 Y
- printf(" STBID: %s\n", stbid);5 d$ p" ^' n. ~
-
, h% z P w* t4 x7 E) \+ B - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
8 @8 D9 S+ W- W/ [1 Z5 ~$ L2 P9 B - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. |7 |! s* o( k" ] @0 w' l
- printf("Input MAC error\n");: a0 i* d2 S+ G# V9 R+ \" q* I, r
- return 1;* ^- z" E1 x4 Y
- }
+ B1 G/ `# @- s1 g+ ]( u* g1 f2 K2 S - for (i=0; i<6; i++)mac[i] = macs[i];- Z( V6 h# p% o# p0 M
- printf("\nPlease input new STBID: ");
: {( b' z" m8 C- ?. M - scanf("%s", stbid);
4 G F" X( i0 X( } - if (strlen(stbid) != 18) {( T) S Z) ?7 ~) S# f4 V
- printf("Invalid stbid\n");
. l- i5 t) S5 O( N - return 1;
( ^1 u. F4 l+ c: x* I) F4 [ - }
6 I' l) Z" g: V5 }& U1 E - printf("\nNew parameters: \n");
; Q c0 t/ q4 x - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) ]: M. T+ B% }
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
6 u2 r3 ?7 x5 r& P% y: D3 }+ D - for (;;) {
0 ?/ g6 a) o/ B% M* F6 W4 e - c = getchar();; n, ^& c3 D% C0 Y
- if (c == 'y' || c == 'Y')
. o, |7 c8 E; p, [9 v5 ?' R$ \ - break;9 p2 G0 F6 r2 c5 Z( N, Q& ~& g8 h8 I
- if (c == 'n' || c == 'N') {
- k! d5 ~/ i9 A2 S - printf("\nAborted.\n");
1 d5 i A p0 H( B" R* ?/ e+ B - return 1;. U3 K5 R7 J0 ^, O* i: _1 X
- }" U7 {# K4 p: N+ J
- }& }5 v7 [4 j1 }8 n3 W8 v
- if (writeparam(mac, stbid) == 0) % ]! `/ t8 a& s p
- printf("Parameters changed.\n");
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" ^$ W3 K& G/ ]$ o- N- return 0;
+ v* S1 A# r. I) r" v4 S' h - }
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