本帖最后由 0522 于 2012-3-21 23:04 编辑 - A# F4 K4 X R$ h: m$ U/ r* Z8 i
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修改的代码早有了。到今天不会编译。
7 |; a- k* B8 P" _! L需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
- C# l4 ^9 p6 j8 U0 Z9 B3 T - #include <malloc.h>
) l6 {$ N$ k l - #include <sys/types.h>
3 y5 \7 b. V' R: M! O q - #include <sys/stat.h>9 _5 U( G- i/ b
- #include <sys/ioctl.h>
7 b+ @, d3 I% m! O6 j0 v - #include <stdio.h>
; i8 f7 Q7 c' u+ x8 x; Z, @ i - #include <string.h>* N( e$ a1 F' r: Q
1 V& m3 B" D$ f; t" {! K& K" a7 w- typedef struct {
3 e7 j+ D! _4 h, F9 C - unsigned int e2prom_cmd_sub_addr;- c! K% X5 u& V" u
- unsigned int sub_addr_count;
9 C0 B1 z4 Y% Y) X - unsigned char* e2prom_cmd_data;
9 S' K4 [2 f2 V# X - unsigned int data_count;
7 q! x: {" y: ?3 f - } e2prom_s_cmd;! f' s3 |' ~3 ^: O6 q
5 U$ z8 [, s" B4 C* i- #define E2PROM_CMD_READ 1
* j7 {& F; G) ^) V3 N2 r P - #define E2PROM_CMD_WRITE 2. P9 R; P! s. E: n+ ]! v
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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" {' I3 M* C& o$ Y, z+ K9 H- static int readparam(unsigned char *mac, unsigned char *stbid)( |1 B4 ]$ x( ?: ~: g$ f- Z
- {
- s/ k. a c$ A4 A) m - int fd, ret;
9 } H1 [; \# k! m1 K- ]) I - e2prom_s_cmd arg;8 o) ]% N4 Y7 s' p6 }) u3 ?
- unsigned char buf[0x18];
, L- ~: G {# h$ `& { - $ U$ v$ p. Q6 n3 Z3 ]- X( u2 ?
- fd = open(E2PROM_DEVICE, O_RDWR);
/ `0 p0 {, n- L, s" o% x - if (fd < 0) {9 l' _( z2 R0 K8 z, S3 x
- printf("Device %s open error.\n", E2PROM_DEVICE);- B2 p- U/ L" F& i) U
- return -1;
/ { [ G8 q- U4 Z5 ^+ T# ^" K/ z, b+ v6 T& ? - }
5 e( F* c" r5 X2 c5 a% t; t# P T - arg.sub_addr_count = 2;
& f2 v# [; ]$ u9 d! d4 v - arg.data_count = 0x18;
. E: A2 ?: B4 w6 a( h - arg.e2prom_cmd_sub_addr = 0x290;
6 W6 x* g# _# z/ \/ N5 \ - arg.e2prom_cmd_data = buf;
% Y5 A0 @" t9 b# R: Y2 C - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
9 A7 q0 `) Q! C7 w - if (ret != 0) {: }& E1 d( ?6 w$ Z
- printf("Device %s read error.\n", E2PROM_DEVICE);
' _/ X" B! j* T) u; E+ q - return -1;
! i$ c6 i' d+ p4 N2 k S' E - }
0 e7 z- o8 Z& S% [ - memcpy(mac, buf, 6);$ d8 ~, d0 ?8 M) Q
- memcpy(stbid, &buf[6], 18);3 |% G6 x& h- C8 S/ g
- stbid[18] = '\0';
* c4 n4 \- |$ ~3 y0 k! Y. X - ( k! M! o# {3 \
- return 0;
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6 A0 p/ }2 t) {- P3 U# d4 a- static int writeparam(unsigned char *mac, unsigned char *stbid)
, k9 g9 k6 K& c# M0 S4 _ - {
4 e3 R! D; d4 @: U7 k - int fd, ret;
, q- @8 a( _5 o6 q# b6 W& P5 h0 @ - e2prom_s_cmd arg;: y! w5 z& o8 E: o
- unsigned char buf[0x18];
! v( {9 [' R/ r1 q( K0 Q* u
, G' a& d' @; G) h x8 b- memcpy(buf, mac, 6);- K4 T. S! p% C: q- z$ c v
- memcpy(&buf[6], stbid, 18);9 [; w) `, H M4 |
- fd = open(E2PROM_DEVICE, O_RDWR);
4 w* X3 n" H @$ h! ~2 p - if (fd < 0) {
" ~& }9 I* O1 n2 q7 @ - printf("Device %s open error.\n", E2PROM_DEVICE);& G& I" |3 [$ J8 {" U. r' ?7 `
- return -1;, o7 f1 j1 ?* h
- }
% r5 g/ ^2 x" f5 B5 V2 z- s - arg.sub_addr_count = 2;. r y1 k2 p3 N. X8 l" ]: I& D
- arg.data_count = 0x18;! V( f0 L' q1 {& l& w3 p
- arg.e2prom_cmd_sub_addr = 0x290;5 o$ m. X% L( O/ o' Q
- arg.e2prom_cmd_data = buf;# u# O& s; t' T; }
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" B. Y/ q6 N# H+ A/ `9 H7 e& }
- if (ret != 0) {8 |" P4 U- [, U1 [) ~7 m2 W1 z
- printf("Device %s write error.\n", E2PROM_DEVICE);. n' `7 c# U N7 L7 u+ F
- return -1;! x" y& m. H7 X
- }
' |+ R( T+ ~3 X( r( N4 t
3 u- d; C( R3 g9 ]$ @7 Z- return 0;) J5 f+ U" g& ^) `$ m) s, ~, K: Y
- }
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^& h( L7 X5 d% s1 b4 W* ~; U- int main()
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- char c;; ?; Y+ Q; q: m2 w+ ]' h' w
- int i, macs[6];0 `) d% A. m0 F5 S n
- unsigned char mac[6];
' X6 `1 U6 \8 H - unsigned char stbid[256];
* _! K# J. ]: D! g/ a - 6 b7 }" j$ L, W c
- if (readparam(mac, stbid) < 0)0 T; w* ~: Q. z# T
- return 1;7 [( a4 Z9 Q. `4 M: X/ a9 w
- * [0 R2 D. N5 x9 b3 ^% o ?
- printf("Current parameters: \n");
' L6 T: q& e% l - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" n7 c& e' h; V* C! i6 d0 L - printf(" STBID: %s\n", stbid);
. {+ B& `8 y9 @3 ?5 h - 5 b/ X5 x2 q9 C8 n: ~, p& T
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
y7 B9 d) \( y6 s; E. [! i3 \9 B/ w - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: F, z6 I( C) W0 o - printf("Input MAC error\n");
3 a8 G5 {1 D: [9 L - return 1;9 {4 T H( W) _9 N0 ~
- }5 Q$ ?) d4 b' R# B
- for (i=0; i<6; i++)mac[i] = macs[i];
- V3 }# ^8 l/ S" k+ I+ t/ ] - printf("\nPlease input new STBID: ");/ W! c, x. H4 z) Z
- scanf("%s", stbid);0 d" _ h/ ^. {, h/ v
- if (strlen(stbid) != 18) {, Z6 N3 s) H1 M! g$ J4 F
- printf("Invalid stbid\n");
+ p$ Y, ^/ ^! o9 M4 ^, D! ]* s* ^5 C - return 1; W, {( e5 T( m
- }) b# f! z$ N% j5 e
- printf("\nNew parameters: \n");
" d* j6 I5 E2 p" h - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ W/ `! q. N$ Y! }+ o/ g - printf(" STBID: %s\n", stbid);
$ e1 i7 C$ r9 n5 z0 c - 7 a( i4 r: d0 S! K8 \
- printf("\nDo you want to change paramemters? (y/N) ");
% s+ H3 k3 G. B& L' m' P - for (;;) {
. ?: M1 X5 s! A - c = getchar();
) E4 v$ k' {9 u2 A' o1 D - if (c == 'y' || c == 'Y')' p6 V5 `, h0 M- T* `$ ~: F* F
- break;; N& r. k& k" I/ F8 q! N& {
- if (c == 'n' || c == 'N') {& I3 R; q( N3 e! |+ `0 y, S
- printf("\nAborted.\n");
2 T+ \6 {: r& K j% b - return 1;
% ]( v3 ~% Z( a+ Y) }3 ?7 E# [+ V - }
2 k' A; N9 _/ L! [( W. U - }
; r& H( i& B1 K- O6 f: F - if (writeparam(mac, stbid) == 0) . F) W0 I0 K% W# q$ x1 l$ ]
- printf("Parameters changed.\n");
: G8 W- Q5 G: Q! ^7 P
9 R) i* Q% Z. s, W" X3 W2 Y( r- return 0;9 D( \9 [5 n0 B% ~
- }
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