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。 B* K& ^' y( K, d" [
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
8 H1 g, _+ j, | S - #include <malloc.h>
" A- c% C! l+ V$ ?! x; W - #include <sys/types.h>
' K( Z$ [" @5 U; g6 G* s4 R - #include <sys/stat.h>5 r% ?7 q/ Y6 C
- #include <sys/ioctl.h>
# F9 y& @( g& L - #include <stdio.h>2 J: j, Q0 w' ?; z
- #include <string.h>
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4 N, x6 g q5 I- typedef struct {; B1 ?2 M: l5 d4 s ~
- unsigned int e2prom_cmd_sub_addr;
6 `6 r, _2 d& t. J& T/ P - unsigned int sub_addr_count;
. F3 s9 J+ q% p, V - unsigned char* e2prom_cmd_data;- Q& t$ g- ]2 u' n
- unsigned int data_count;
u4 |) V( t$ I6 V - } e2prom_s_cmd;( ~ @/ t4 q5 o+ \* ]8 g
7 m" `6 h. F6 V$ G- #define E2PROM_CMD_READ 1
! I' U! d/ v5 G& ? N3 a! ` - #define E2PROM_CMD_WRITE 23 j, w D& \1 ~5 G0 {+ y
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16": q8 D. P' W8 i3 ~: [5 Q
* Q2 @, B" l- |2 q" F* `- static int readparam(unsigned char *mac, unsigned char *stbid)
+ F% a) ]1 \# I9 _" b$ V" P - {
, g* J0 H( n' k; g& E' {* _ - int fd, ret;
: R2 ^% M6 V: R - e2prom_s_cmd arg;) d" }' j: T- P+ ]3 A' A
- unsigned char buf[0x18];% y5 \% x5 n' m. L5 \5 m
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- fd = open(E2PROM_DEVICE, O_RDWR);
9 r; \: e- u9 b$ }# x2 J - if (fd < 0) {/ j9 \/ y3 |8 {8 L( F# i
- printf("Device %s open error.\n", E2PROM_DEVICE);; X8 ]7 F/ d$ t d' F2 Z
- return -1;5 i% S! ]: ]8 j1 K" g! q0 C
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- arg.sub_addr_count = 2;
: I0 J# G0 r! B. p& R* q/ @) a - arg.data_count = 0x18;' L/ ~8 [2 Z! @: G
- arg.e2prom_cmd_sub_addr = 0x290;
4 [$ i' s) p4 j3 g - arg.e2prom_cmd_data = buf;
1 J: |, J& m7 O' C$ a - ret = ioctl(fd, E2PROM_CMD_READ, &arg);, m$ I2 l( Z6 M/ l. o
- if (ret != 0) {3 R# D7 Q7 P: c0 p( u; K7 c
- printf("Device %s read error.\n", E2PROM_DEVICE);- W# P% t' A4 {" d' `9 X
- return -1;
9 v, ^- Q/ B! b9 D9 D% B) i) S! p' W - }
' w0 E$ j" p4 ~' G$ N - memcpy(mac, buf, 6);
/ |- W& g, ` P0 T' ?) g# c( R, G - memcpy(stbid, &buf[6], 18);. z% {1 ?# K( W& ]" f& J1 {
- stbid[18] = '\0';
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+ m0 a( s. l# \% C+ `( X- return 0;5 @% E, F& r0 m! R2 s- t; E1 F
- }
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J1 n( }) u. `8 ^3 x- static int writeparam(unsigned char *mac, unsigned char *stbid)$ ?6 p! P) N4 b# I( y
- {
& f6 j( h5 s- k8 l0 O - int fd, ret;
* {+ c# K& ]+ h& c5 H - e2prom_s_cmd arg;
p8 ^! C2 U/ W) K0 t - unsigned char buf[0x18];2 X* R4 P1 L) M% k: S, \
; B& \, F& S4 f- memcpy(buf, mac, 6);7 r0 b" e1 R' J. p7 Z, i
- memcpy(&buf[6], stbid, 18);
3 ^) {7 h# G' C - fd = open(E2PROM_DEVICE, O_RDWR);/ C. {2 B" i) {( V7 h/ c% I
- if (fd < 0) {2 R) w7 k3 `: K- I
- printf("Device %s open error.\n", E2PROM_DEVICE); O" h8 \' T! H. t/ F9 Z" @
- return -1;
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- arg.sub_addr_count = 2;5 w" A. M2 Q0 c- z8 V# X# \
- arg.data_count = 0x18;
) X" e- k% \ R$ _! \/ b) u - arg.e2prom_cmd_sub_addr = 0x290;
, D8 V; a( A1 A4 h' y, c3 z* x! r - arg.e2prom_cmd_data = buf;
" G7 k: m) n9 p: U) A: N8 ~% { - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
9 k8 t- ?" \# L: Q; [; h# o - if (ret != 0) {- _+ m0 ]0 D# k6 v+ C0 M9 y; X
- printf("Device %s write error.\n", E2PROM_DEVICE);
, o5 Y/ @$ Q. p- I - return -1;
/ u K+ v/ Z' ]# ^ - }
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- return 0;5 u- v' C' ?) i. z% F
- }; r$ |! M: Q( Q- N( o, @! _* ^
/ _; F4 l7 y2 a! h4 T. m) H- int main()
! E* {) n+ Z# g/ z% @( a3 y - {
$ @5 P% r- J2 r( D k; w+ D - char c;
* ]0 h6 G& X, m; u% k( R - int i, macs[6];
" g7 Y) Y& o$ ~6 @4 f6 a - unsigned char mac[6];
2 {/ Z- k/ c6 K( T6 Z8 X - unsigned char stbid[256];; G* @" R7 }+ Y7 _
# Z; c* Q5 i& ~* e. L! d( I: t6 Y- if (readparam(mac, stbid) < 0)
+ `! Q# G; ~+ Z: [, q - return 1;
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7 E) s f' w' a! N' G- printf("Current parameters: \n");! f& u. H# i$ D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: T# |: J0 F. H1 b - printf(" STBID: %s\n", stbid);7 W2 ^) G/ C! E" {4 q
-
! }2 c( g4 l- ^% O) B& G q5 @2 h9 S - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");- x" s& A* N2 j7 h
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; I7 v9 {! K) N5 c* t2 k/ [# U - printf("Input MAC error\n");
/ S0 f% Z; Y- `3 K3 ]' A5 j* l - return 1;: z+ m" `9 x1 X& [
- }% k0 V5 ]5 W% |5 D% i
- for (i=0; i<6; i++)mac[i] = macs[i];5 Q) k! [3 R. f( R0 g! d; Q
- printf("\nPlease input new STBID: ");- e) i8 \" ]. r0 J! n, m
- scanf("%s", stbid);, K! i5 R& h/ b/ O
- if (strlen(stbid) != 18) {5 e5 x3 L9 {) k- \* h5 R
- printf("Invalid stbid\n");4 P$ i7 r2 U; z3 k& H* @
- return 1;
6 r+ Y6 t; O( n4 v; ^; O! v" T% I( L+ _ - }
* {, t: I+ @/ R5 E' d1 h - printf("\nNew parameters: \n");
! V! @! i, ?; B - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( g! `8 c/ i0 N/ x5 v3 R; s; X
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
x! K6 _% z. Q5 _5 c2 n - for (;;) {
, P1 s# z: k7 N7 ?# O+ v - c = getchar();8 X6 C, G- |7 R7 |) g" F
- if (c == 'y' || c == 'Y')) @8 X) f5 `4 q# n
- break;
3 k( O: }" q8 I$ w - if (c == 'n' || c == 'N') {7 l, f4 Y- a, B8 f' e s1 M' x
- printf("\nAborted.\n");- e% L9 K6 L! k' Q
- return 1;
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- }
$ I- h6 r u- U5 P G - if (writeparam(mac, stbid) == 0)
A" ~( m9 J6 B+ {1 @ - printf("Parameters changed.\n");7 ^# e5 b' ?) \
5 n+ I. J3 Y Q6 w0 z- return 0;
7 k8 q. ]; O& f4 B - }
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