本帖最后由 0522 于 2012-3-21 23:04 编辑 & k0 e" l* W# ]0 A `
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修改的代码早有了。到今天不会编译。8 O9 U' c8 _+ g: J
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>% K, P1 q% e# l( `6 `/ ^
- #include <malloc.h>
8 M8 M. X5 g9 P+ X. |7 L - #include <sys/types.h>
" e" R* a5 @6 G9 R4 T - #include <sys/stat.h>
7 e" a$ I7 l) P0 j( N b - #include <sys/ioctl.h>/ `- F" P; B$ ^: c3 G
- #include <stdio.h>
0 l: k. [7 { N: ~ - #include <string.h>$ b3 b8 _/ Z N* k0 v P% d
( X7 A4 D( F% o6 J+ q) b! N- typedef struct {
( p1 `5 W4 Q3 k* l9 a, Z% q - unsigned int e2prom_cmd_sub_addr;2 O( n% I; a! }1 x# B
- unsigned int sub_addr_count;
$ E' E0 j% a# }/ l: p7 J" g - unsigned char* e2prom_cmd_data;% X- y/ k# F3 B" x
- unsigned int data_count;
# x! K) b% a5 V9 ` - } e2prom_s_cmd;! X2 x3 S2 Z6 p% _6 @* x
- & u+ o( n% A+ i. V. @" j
- #define E2PROM_CMD_READ 10 P4 [: ?3 m& q2 p* C# y, m4 ~
- #define E2PROM_CMD_WRITE 20 F* U I, _, [' _3 i* Z& N# U
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! \- U% W% m4 l) W( B6 O0 O' r; v
8 y/ {1 v1 d2 M0 f- static int readparam(unsigned char *mac, unsigned char *stbid)" {# ^8 G& s3 v$ ^% m# f
- {
& u7 j) M" l# `0 C$ A5 R' o - int fd, ret;
2 ]& `, q; q6 ?8 T4 F+ ` - e2prom_s_cmd arg;
; C& L/ D* R. \0 J. K, P - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);" ~- E x$ u- Z/ w' h) a
- if (fd < 0) {3 Z1 |, h; I5 C; C- O4 }
- printf("Device %s open error.\n", E2PROM_DEVICE);) M' ~( b2 _9 u4 T
- return -1;# \. Z6 x! ^3 D9 U% D) `
- }0 c$ Y/ F/ }2 t" o3 F0 m
- arg.sub_addr_count = 2;8 I$ |4 p0 U/ Z
- arg.data_count = 0x18;
; i! ~# [; A9 o8 L0 N8 Q, ?' V5 T - arg.e2prom_cmd_sub_addr = 0x290;
, n" r# I1 y* k) ]' ^ - arg.e2prom_cmd_data = buf;
) Q; J- o' f; e' m - ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 \7 q$ [0 k J" \
- if (ret != 0) {; Z- s8 @% l5 N2 ?9 G5 `
- printf("Device %s read error.\n", E2PROM_DEVICE);! E5 x* n4 G% Z3 z3 c9 Q
- return -1;4 o4 V/ C, k# w& q# v
- }
# {+ z8 K4 f7 A" W& h - memcpy(mac, buf, 6);8 H: m! w- W$ J5 x* @3 [
- memcpy(stbid, &buf[6], 18);
7 t6 m' s- E- y0 H - stbid[18] = '\0';
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P* e% B/ C2 I5 { P2 o! X- return 0;7 [9 F7 {3 `4 i( b! f& ^! Q
- }
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6 z* F! z0 N6 I, N/ n- static int writeparam(unsigned char *mac, unsigned char *stbid)
. [: V: E1 e9 W' g9 d$ Y [- Q4 { - {
& S+ g8 n. N; L' Z J3 \ - int fd, ret;
/ S& f; D7 a9 G. ?0 q5 q/ W% e1 | - e2prom_s_cmd arg;
% o h" t4 h; o# V/ a - unsigned char buf[0x18];; c' }% G$ }" l1 g
$ C1 O7 q1 |. p- memcpy(buf, mac, 6);) b& m* ?/ I( ^# e
- memcpy(&buf[6], stbid, 18);/ _; r& m3 F; ]
- fd = open(E2PROM_DEVICE, O_RDWR);
3 K, j& B$ M" L6 H5 B. J3 ] - if (fd < 0) {! a( ~1 H1 Z# V3 w. m
- printf("Device %s open error.\n", E2PROM_DEVICE);
. _3 [3 g, E. c/ T; ?6 p+ ] - return -1;' s; U2 `8 {" Z
- }
# x, R: c, B; [ - arg.sub_addr_count = 2;
8 I3 S: R1 n6 o/ n6 n - arg.data_count = 0x18;% t5 h4 W8 v D; j, I1 H
- arg.e2prom_cmd_sub_addr = 0x290;- u/ G, x/ v9 d% s7 |
- arg.e2prom_cmd_data = buf;4 P6 }1 H9 n2 P7 @* C6 C
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);9 k+ q- C, @/ S8 @" q
- if (ret != 0) {
, Y/ e% c) j& D R3 ]2 R0 x - printf("Device %s write error.\n", E2PROM_DEVICE);% C, y# r( `1 v% i& M4 \
- return -1;4 z+ b( w1 }3 l
- }. ]0 ~( _% s2 E
1 p5 B q6 c$ C5 H% M- return 0;
' c: o0 O1 D( h9 I$ w, g" M3 L: p - }
+ y k- M2 g$ R6 {
& }5 @! G! T! ^) M" A5 }- int main()
+ I, Z( S, p1 P& d$ G( }# J4 Z - {
; y7 h, G. i* D1 R - char c;4 Z4 |- e/ T W' j9 k: y0 K
- int i, macs[6];
: F: y: ` o' Y9 _9 f4 L" {8 [ - unsigned char mac[6];
/ o1 S$ E$ `% z0 K. q# I C' k- n f - unsigned char stbid[256];/ b0 @; a, C6 f Y2 V+ \8 E8 o
- 0 G! y2 `1 w D5 a1 R7 G# x
- if (readparam(mac, stbid) < 0)
; q5 e' p2 G& L$ N/ v" c/ l% k - return 1;
' a0 \% Q9 d6 u; r+ G - 0 s$ _8 @4 }9 L1 Y3 o
- printf("Current parameters: \n");
" x% D% L7 `0 o) A( c2 p* X7 Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 ~4 Y5 ~/ u; l9 U3 `: @1 }# ?4 [
- printf(" STBID: %s\n", stbid);" B- S J# \7 x" x+ ]
- 5 h6 T5 B* O" E4 b. W1 _. g, _
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 W& P8 R( @8 ^, z' d
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {2 I r! D) P2 g% x5 Z: `; ~
- printf("Input MAC error\n");
8 k8 n& j! b, i - return 1;
; w1 [( y# B4 J- }2 c# l# K - }
9 J N; ?+ X$ g! C* F$ e# { - for (i=0; i<6; i++)mac[i] = macs[i];
* @4 z2 g$ A' v z7 g$ C" T3 Z - printf("\nPlease input new STBID: ");
" i# J, ?: H/ Z" Y+ L - scanf("%s", stbid);
* H+ n4 V/ o8 n% \7 n) P6 c0 X - if (strlen(stbid) != 18) {3 K e2 l! m9 ~' \
- printf("Invalid stbid\n");4 }3 b9 ]+ n6 @4 ]8 W$ W2 G' A4 @) I
- return 1;+ K: m" Z7 W+ V/ r5 F9 e+ x: `
- }# x n% q, f8 I) M
- printf("\nNew parameters: \n");
3 U! I3 |' H8 |. i) Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; d2 I/ q `! a, A - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");0 Z7 a7 |/ _7 [$ N
- for (;;) {
, w; F1 A' s" M" q - c = getchar();8 u# j3 ` d8 @. C
- if (c == 'y' || c == 'Y')
$ o+ g I" P: u* M' s( v% q - break;0 C/ m+ [/ I0 w. S- J. _! K
- if (c == 'n' || c == 'N') {4 n: v8 B0 ]7 K! Y3 a
- printf("\nAborted.\n");
- ~- X) ^8 P3 Z3 E/ b/ j - return 1;
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- }6 z) l7 \1 u' H/ \
- if (writeparam(mac, stbid) == 0) 6 Z) {1 t! ]) o, A* z
- printf("Parameters changed.\n");
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- return 0;
. Y1 C4 M. `% D) N/ ? - }
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