本帖最后由 0522 于 2012-3-21 23:04 编辑
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% K/ ^3 u: L! N# }- }9 }& B# }修改的代码早有了。到今天不会编译。
3 ^" d, Q+ v# E4 B3 a: f需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 t4 y. P9 \; Y& R* L+ J
- #include <malloc.h>7 s9 n: `; f5 m( t' @! S
- #include <sys/types.h>' u2 o# N+ ^: h, j+ H. |
- #include <sys/stat.h>$ D; q7 u8 P" c7 L3 j" v
- #include <sys/ioctl.h>
; o ^( [- K( t7 Q/ R - #include <stdio.h>
& N c7 B" |4 ~' {( K" X( l - #include <string.h># h2 x' Y$ W! |2 |
" P R. u& F: p- l" E; ~- typedef struct {) C Y8 N9 I" g) }8 @
- unsigned int e2prom_cmd_sub_addr;! P+ x" S1 O3 J$ s% S# J4 E8 `
- unsigned int sub_addr_count;- j0 @. @1 w7 R9 u
- unsigned char* e2prom_cmd_data;
. u% c0 R/ m: \: K7 x - unsigned int data_count;
$ a9 W, @5 |( Y2 F" O4 J6 [$ A - } e2prom_s_cmd;, t, F; ]0 @' S! |5 I/ Y
- ) ?9 z2 a9 r1 B: V# z, p6 {' F
- #define E2PROM_CMD_READ 1! U: {* D( x, w: \; ]) ] S4 m8 O
- #define E2PROM_CMD_WRITE 22 _+ c" I, E$ i' F0 {2 r
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16". v- M# f3 t- r. y
3 h5 z0 i2 j$ w; F" t$ T9 J- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;# h( p7 u: O. q' s, N# s; r- g
- e2prom_s_cmd arg;
% J0 L$ j8 Z+ _ - unsigned char buf[0x18];
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$ l7 u0 s& S3 _. e! g m- fd = open(E2PROM_DEVICE, O_RDWR);: T5 G2 C# u0 B
- if (fd < 0) {* `' F# J9 ^8 c" Z h; N3 p
- printf("Device %s open error.\n", E2PROM_DEVICE);
Q# {6 p! W# V& S2 C" w - return -1;
- f* B7 Q, a! t3 Y+ f5 b - }" M$ D4 w3 {& R: f
- arg.sub_addr_count = 2;! `' g: ^$ l) g% }! {# T4 ?- c
- arg.data_count = 0x18;
, B' S. B0 }4 k/ J. _; d; Y: y0 L! U - arg.e2prom_cmd_sub_addr = 0x290;; s% Z6 r4 s- b5 R! S
- arg.e2prom_cmd_data = buf;# |1 }9 d, w9 b* d& P/ i, |
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 \4 I, w8 `. L3 A+ e1 l" k - if (ret != 0) {% l" ~+ Z- c& i. Y
- printf("Device %s read error.\n", E2PROM_DEVICE);
+ U% z! g* {3 Q" I9 [" S3 v - return -1;% w# s; \. m7 J0 x
- }
% q% I7 e/ W3 K: c- R - memcpy(mac, buf, 6);8 @2 N8 N/ o j# R7 F3 ?- r
- memcpy(stbid, &buf[6], 18);2 ?" x* ?2 ~9 S
- stbid[18] = '\0';
- S+ v- o! u; L( H1 J& b5 t/ ?9 T
5 ]$ }/ E: n3 }+ e1 }0 U- N5 o- return 0; w: H3 G% |& P! Y# E
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
# \) g2 X; k ~ Z# u- W - e2prom_s_cmd arg;) Q; P1 t1 p Y# o- A8 n8 I
- unsigned char buf[0x18];
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$ V9 N3 }# n- P) F5 ~( J- memcpy(buf, mac, 6);$ u. S/ x( k4 j
- memcpy(&buf[6], stbid, 18);, H* Q1 [1 M" G! P# a2 P7 T
- fd = open(E2PROM_DEVICE, O_RDWR);
0 s+ J' A) M7 s - if (fd < 0) {
, S3 i+ }% j5 V7 d0 k, c - printf("Device %s open error.\n", E2PROM_DEVICE);
; N+ `) b( \& j2 T - return -1;
/ ]3 Y7 e; h6 E, N0 j& k - }
& [0 k6 E+ I1 A) o8 v2 ` - arg.sub_addr_count = 2;2 I" J: O4 \/ ^6 B4 ~# F
- arg.data_count = 0x18;
6 @4 {# s* B2 O0 l# O - arg.e2prom_cmd_sub_addr = 0x290;
& l, T2 @5 s( \. i5 `3 n6 c4 ^ - arg.e2prom_cmd_data = buf;
' Q3 G8 ~7 A8 }! h - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" ]0 C7 S9 _' h7 l4 x
- if (ret != 0) {3 X% E7 g# G0 R8 [
- printf("Device %s write error.\n", E2PROM_DEVICE);5 u$ u2 r9 K$ I* ^
- return -1;0 k# v+ x3 U0 d3 R' g0 [) \8 P+ R
- }
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) a* j+ f1 j+ z# Y- return 0;5 P" d! @; C- x( P0 b1 c
- }
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- int main()
1 m* K1 }, n9 U7 n1 @# f* Q* h - {
% L2 x) Y) H. o - char c;
' g G4 E2 K5 Q% p# u& a - int i, macs[6];
3 F( X# ~4 H+ N! N7 x- `+ g! y - unsigned char mac[6]; g! g4 l7 n9 i! @8 j8 p( H) H0 ^
- unsigned char stbid[256];
+ C9 {0 ]+ h0 _
5 X2 X/ Z. R9 z+ k1 y- if (readparam(mac, stbid) < 0)
! d6 ^+ N6 X. \/ o, v* Z' {& `' o2 o; K& R - return 1;
7 g7 K! }; o5 V/ K
( c- z8 O( A* H- c! s6 R. R* O- printf("Current parameters: \n");
# |) m7 o6 l" O+ d - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% R1 `5 W6 P3 } ?, D
- printf(" STBID: %s\n", stbid);+ P5 ~- c. H$ K2 {- C% A/ \8 I
-
2 @/ v* Q# q- ~$ V' M8 o - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");1 `* w" N) K5 ?6 B6 c! ~
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. x9 _6 p) [ w2 S" v O$ H+ g - printf("Input MAC error\n");
( U. y5 V# y2 A- T" \ - return 1;! ~5 ]0 l; o/ A- M- F. y
- }+ n5 U, X, u$ f- U
- for (i=0; i<6; i++)mac[i] = macs[i];1 d) a$ a# j+ z u( R- E* W+ y
- printf("\nPlease input new STBID: ");
5 _4 \3 W6 X3 \( M - scanf("%s", stbid);& @9 _: }# U1 B" c2 F) Y
- if (strlen(stbid) != 18) {
x; P1 n( g8 l9 E* I - printf("Invalid stbid\n");/ k8 J! Y, p! f1 W( Z# v5 X- t
- return 1;0 b2 R6 o& e2 o% p2 f3 q$ T
- }. u7 s+ s2 l7 s* ]2 [
- printf("\nNew parameters: \n");
/ ~' ?; v. }: E0 G - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 o3 ]+ V6 A. P: y, V* l' Y+ z2 N - printf(" STBID: %s\n", stbid);
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6 O4 `, {, B6 o# B' ?# t" n- printf("\nDo you want to change paramemters? (y/N) ");
6 a4 \! {0 b4 }) b5 s# l/ j; ? - for (;;) {2 z: K' Q% E. L. e/ ^4 _2 m8 g+ a. O
- c = getchar();
M6 Q0 s E6 T) }' |) ?3 G" F - if (c == 'y' || c == 'Y')2 @- t& q( {4 X* H+ l
- break;/ Y6 ` g3 I' R; V
- if (c == 'n' || c == 'N') {
2 c# d3 F8 x6 g( `; I; p - printf("\nAborted.\n"); i* L/ B1 Z0 q4 @4 F+ ~1 j
- return 1;6 x7 o/ c- }& y
- }2 a$ l. V. K0 D3 ]) y- d! }" q
- }
. _: x: S) b+ m; C1 | S - if (writeparam(mac, stbid) == 0) ; ^( T7 ]9 S0 t3 |& A; ?& t3 D
- printf("Parameters changed.\n");
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: x' s9 j( _1 \$ `# j7 U6 l- return 0;8 K7 @; n+ s& N8 ~
- }
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