本帖最后由 0522 于 2012-3-21 23:04 编辑
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: p. J" I% V+ O# X; |修改的代码早有了。到今天不会编译。
, \2 p; J& s$ Z: O- T8 Q需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" O4 q0 Q" u$ @# s
- #include <malloc.h>) [3 V {3 L1 E Z) V% A# a
- #include <sys/types.h>
. L- e1 U0 `$ ]+ k9 y" } - #include <sys/stat.h>! ^4 ?9 ]( N, j
- #include <sys/ioctl.h>
/ j$ j+ p& M' ? - #include <stdio.h>! e' F. e( l% \! z2 p
- #include <string.h>% U. N; Z9 Y |- r8 x, j
- + K5 O3 x e; {( s& \* b6 f
- typedef struct {( [. s- J4 d# k8 v
- unsigned int e2prom_cmd_sub_addr;- k" K, m- r; i+ p- A/ u! K
- unsigned int sub_addr_count;
% y# |! W$ [* ?6 F4 D - unsigned char* e2prom_cmd_data;. L: f! y/ f) X6 f2 ~
- unsigned int data_count;
, [4 D P4 D7 z - } e2prom_s_cmd;$ G; H8 v: [* A2 o2 _
- " L: R: c; ^( B' H# H8 E6 g
- #define E2PROM_CMD_READ 1: L/ R* g+ J5 F
- #define E2PROM_CMD_WRITE 2
7 N6 ?3 ]) Q1 I - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"8 K% a9 [' v }7 a- S: T! J/ J2 a5 T( p
- Z1 X" L5 K# c
- static int readparam(unsigned char *mac, unsigned char *stbid), B. H) C2 u( a; \" i$ D
- {
6 V8 `6 w. ]1 f, T, l2 x - int fd, ret;
0 s4 e' [0 \* K& T; m5 F - e2prom_s_cmd arg;, T `4 n5 W- X8 S
- unsigned char buf[0x18];, `: b* ]8 y% E# w: T: w
- 4 u+ O7 J1 o$ [0 h6 Q/ E" N6 r! O$ Q
- fd = open(E2PROM_DEVICE, O_RDWR);( d$ d. }6 ~, X
- if (fd < 0) {& z$ R H l, N* Z5 ?
- printf("Device %s open error.\n", E2PROM_DEVICE);3 v' Z5 D6 k+ D; ~5 f
- return -1;5 A" [1 ^% E0 H
- }
# G+ U- E: y3 C# h, o* F& c - arg.sub_addr_count = 2;+ a2 J5 J: f1 d3 I3 E+ A5 s( Z
- arg.data_count = 0x18;
5 T& \. \' [4 S9 F9 _$ S - arg.e2prom_cmd_sub_addr = 0x290;
+ }2 R- Q+ ?. N3 _/ `/ [4 Y - arg.e2prom_cmd_data = buf;
5 v% U/ ~3 B$ y% v/ e) f" i0 } - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- Y) u: {4 S2 H/ Y: j1 K& ^ - if (ret != 0) {2 ]0 w' t& i; I! G
- printf("Device %s read error.\n", E2PROM_DEVICE);
; @0 ~( ], u3 _7 W - return -1;
: J8 o7 p& [' o' @( _ - }
T7 }( c" h7 L1 g - memcpy(mac, buf, 6);7 L- u4 i8 K' `: V+ L
- memcpy(stbid, &buf[6], 18);
* W5 e s1 z, ~* o - stbid[18] = '\0';1 |' v x7 j8 D! a1 D8 R
- # h& ?0 F9 Y* d. U% r% W" [% C& S
- return 0;5 Y. f- w7 g: _+ {8 k
- }# `) T* V* V0 A: i* d' o
- / z* H/ e) n2 m$ W
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;! Q- D( `5 Z6 O
- e2prom_s_cmd arg;0 e% O: W+ r( \1 q
- unsigned char buf[0x18];8 V2 n' V& X) _1 H: b
5 @( t. x, G% O R" S% W0 m- memcpy(buf, mac, 6);
& n4 s3 `% Z# c% \+ U, Y' l - memcpy(&buf[6], stbid, 18);
" y* b" p- D0 n9 ]% |8 A* M7 q - fd = open(E2PROM_DEVICE, O_RDWR);9 `' X2 x. j6 L/ }
- if (fd < 0) {* N/ h2 h& v6 ?. [8 @% W0 m
- printf("Device %s open error.\n", E2PROM_DEVICE);0 Q7 Y+ E2 v, N
- return -1;- f2 c$ b/ w) ~2 g! g5 Y
- }
2 R0 z- K& `$ C4 s. r; | - arg.sub_addr_count = 2;% o2 M; @8 L6 U6 i0 t' l7 V
- arg.data_count = 0x18;* B. ?1 K+ x% [& Q
- arg.e2prom_cmd_sub_addr = 0x290;
& V) b1 o$ E( c# Q7 X3 I - arg.e2prom_cmd_data = buf;; |+ k8 | r8 D
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);% n* ]) W! U) C
- if (ret != 0) {( W' d" y4 b) [6 U9 y+ R) p
- printf("Device %s write error.\n", E2PROM_DEVICE);
5 A# b$ q" q, _1 C2 Y1 o8 i x B - return -1;
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- # b. ^) C5 z9 a: a
- return 0; L( d) U2 p# O$ ]; i. d# d
- }
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- int main()
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- char c;
2 ~* ^% W7 }& l6 x - int i, macs[6];& C) ~4 M. K) H4 q9 d
- unsigned char mac[6];* }* ]' A% O2 U! e9 S0 D! P
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
2 S4 J2 }' ?7 C1 c6 q5 D - return 1;
- }; H; x. N5 l# B4 T) ?% B6 F - ( R5 F) f X. W2 W* h
- printf("Current parameters: \n");
, m% Q+ l8 A# U7 K3 p - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 I" T* q9 k, b9 M" O* k: y - printf(" STBID: %s\n", stbid);6 G6 ?8 B/ ^5 r* j' B' v9 s
- 4 B1 J/ _8 p( ]% H. Z/ }
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
9 j2 B8 G% g4 V - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 \: h/ B- ~1 Y# b
- printf("Input MAC error\n");3 N F; A) X1 y( j1 _. m; Q
- return 1;3 K7 H. a) i6 ~$ l% {3 z
- }
& f/ v( B7 A) t# V* y( v! V - for (i=0; i<6; i++)mac[i] = macs[i];
# l8 X/ r6 i$ T, ]8 U, G) S - printf("\nPlease input new STBID: ");* Y( `6 B; `. p/ l1 A
- scanf("%s", stbid);
; z. G7 j: M+ g5 n; \5 N! s5 `/ u - if (strlen(stbid) != 18) {5 {% y- o0 l1 ~9 @; C
- printf("Invalid stbid\n");
' n" c/ \3 T. s7 `4 n$ V - return 1;
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- printf("\nNew parameters: \n");6 K0 j7 W' O* }/ H, j7 [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- M6 m/ E+ j" i# } - printf(" STBID: %s\n", stbid);
3 H8 R9 o/ v: q0 V& @% M8 D - # g- F4 H% a9 H' }( U* L
- printf("\nDo you want to change paramemters? (y/N) ");: ]( m7 |6 a( C# Q! P4 B7 _
- for (;;) {
, v: T' G! O, H- H1 s/ f - c = getchar();" J( G5 y# c- X' a/ P5 N3 v1 c
- if (c == 'y' || c == 'Y'); u9 O0 Z5 @* w* H
- break;, w8 `( a9 K$ F4 S
- if (c == 'n' || c == 'N') {9 p' q3 f* E# C$ s2 Q, f
- printf("\nAborted.\n");
# ~0 N; Y/ B o" a1 U2 l - return 1;
( h: @1 |; Q9 u7 g - }
- e- ]$ j7 U0 A! H$ P- \9 x d - }, @& t3 Z' R( | c7 V' p! E% C, G
- if (writeparam(mac, stbid) == 0) 8 C1 h' b% {; K+ g3 L O9 O
- printf("Parameters changed.\n");& y+ | r/ n; l% Q
- ( [/ K% z/ C9 Y. J
- return 0;
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