本帖最后由 0522 于 2012-3-21 23:04 编辑
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* i9 [" e) ~3 f0 z修改的代码早有了。到今天不会编译。- j5 A4 W( s7 A8 I7 T, G0 m3 |
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 X L% z" Z+ Q4 o: q2 k! S - #include <malloc.h>( A3 u) e* ^9 u% C1 \1 g/ A
- #include <sys/types.h>& B) Z$ M7 t& M4 ~
- #include <sys/stat.h>6 c( @1 ~0 o4 \4 @" M9 u! r
- #include <sys/ioctl.h>6 w: Y; P4 X' T) V3 s! |
- #include <stdio.h>
' b0 s4 b, Z( |; S* G - #include <string.h>
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- typedef struct {. C1 _0 t {3 S* B
- unsigned int e2prom_cmd_sub_addr;& ^& m: Y) c, H/ G# ~
- unsigned int sub_addr_count;
, b9 V% l# E6 x1 _; t - unsigned char* e2prom_cmd_data;
* J/ ]3 G! s8 w0 _5 ~1 h - unsigned int data_count;5 s0 e0 ?9 P% t, v+ K- X! F4 T1 v
- } e2prom_s_cmd;
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9 L; _6 r7 o( e" G7 F- #define E2PROM_CMD_READ 1( l1 ?# T7 N: r* Y
- #define E2PROM_CMD_WRITE 2
9 T. h, Y/ ?/ T; _% d - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"+ w7 J9 ^: H x! n
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;& u* ?0 ^5 S7 M2 v- s
- e2prom_s_cmd arg;! \1 {) r3 b0 d9 F4 m; `3 |6 |
- unsigned char buf[0x18];
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, K0 b# G/ }3 _" N' u$ K% K- fd = open(E2PROM_DEVICE, O_RDWR);: D! ^- w3 j7 X5 G. `: l
- if (fd < 0) {" ^$ v7 Q' ^* g6 O- m
- printf("Device %s open error.\n", E2PROM_DEVICE);9 ]; ] L) G2 Q2 ?/ o2 N% f0 q' U
- return -1;
; F4 w0 F& z: R# m' O! C - }
: s( D. i( G+ [. m( k; O8 M - arg.sub_addr_count = 2;
% ], ], d2 {+ {9 c# z: t* } - arg.data_count = 0x18;- i1 X4 h2 ^, Z
- arg.e2prom_cmd_sub_addr = 0x290;8 i# \1 L; {. f+ {! v4 ^ J
- arg.e2prom_cmd_data = buf;% c3 H5 J( e3 l5 B% l4 e; z% u$ R
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 n8 j, T! q9 a
- if (ret != 0) {! I4 J: B: Q$ R% U# C
- printf("Device %s read error.\n", E2PROM_DEVICE);5 d2 j$ A( B2 X2 M( _
- return -1;' H: r# S4 x9 P8 \! j y
- }) F3 j6 z4 R* ^2 ]6 E$ X& e$ J- a
- memcpy(mac, buf, 6);1 O! V% C5 _5 T6 U @- g7 z3 O' ~+ U/ u
- memcpy(stbid, &buf[6], 18);* p, p; k/ {1 C! a2 A4 {3 V2 n
- stbid[18] = '\0';
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- return 0;
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5 b/ W; R1 Q0 q' x! J! B* @- static int writeparam(unsigned char *mac, unsigned char *stbid): P9 F" N& E0 |2 Y( i
- {
. P s! w/ g, P* L4 n7 d: \ - int fd, ret;( a! `2 a7 ^' s; T$ s$ i, S
- e2prom_s_cmd arg;
, l0 A$ ]$ d6 q2 h: j1 G% J3 a - unsigned char buf[0x18];
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2 } Z/ t: S7 w% N3 |9 n- memcpy(buf, mac, 6);
% B. K1 t& n5 D% u. _ - memcpy(&buf[6], stbid, 18);
" o0 V1 c8 z5 e$ d* c - fd = open(E2PROM_DEVICE, O_RDWR);& a* l& T( V: a0 O/ h* b
- if (fd < 0) {& C$ E1 r! Q3 `
- printf("Device %s open error.\n", E2PROM_DEVICE);. d8 Z) ^9 P. U: R9 u2 [' z6 {
- return -1;
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- arg.sub_addr_count = 2;
6 x5 p! V: d3 M4 P# r/ q - arg.data_count = 0x18;
0 B1 Y- }/ Q% T/ w- \* j - arg.e2prom_cmd_sub_addr = 0x290;
& U$ o) }3 s* z& @& c, O& Z7 j - arg.e2prom_cmd_data = buf;
2 Q" h& J( A" d g' ~+ o- \; W - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
' ]5 S0 X! w4 p7 k8 a - if (ret != 0) {' X% q7 X! y; ~2 F. d( b9 q2 q S
- printf("Device %s write error.\n", E2PROM_DEVICE);
0 @/ X2 K3 r9 G. u; y4 s9 d - return -1;# t- O h! [9 m6 ~
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( p1 k3 n6 L( l+ e4 J- return 0;
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- int main()* o: z+ B. s- J* E8 ^0 D" Z
- {
! j+ X9 ?' M" }2 M - char c;
! ~5 Q: [# \# V# [& N0 y7 m - int i, macs[6];, G7 S1 }& L$ K# j C
- unsigned char mac[6];1 x! b' D: T# R7 w5 B
- unsigned char stbid[256];& K( z( x$ }- q' R: ?
- " Z5 a1 u, z" Q; z. d
- if (readparam(mac, stbid) < 0)3 U, Z8 |9 b5 ]: y
- return 1;( `9 _5 B/ l# x) C1 K' O: h
& w- a# O- O5 H& [# o- printf("Current parameters: \n");% I4 |, N5 ~' h4 N
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: v9 M9 B6 K1 k: B2 y - printf(" STBID: %s\n", stbid);# Z' G- L2 n9 |
- - d% C+ Q; m" C* U6 c
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! \/ k: Y) m) U. z: f# `5 i' } - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 f4 e% B p8 E
- printf("Input MAC error\n");2 }* s, ?( G2 @6 a
- return 1;
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( ]" D/ T/ o! U - for (i=0; i<6; i++)mac[i] = macs[i];
. Z- @- R3 }1 A+ _, z# s - printf("\nPlease input new STBID: ");
8 }# Z( M+ V# X% t8 l# @ - scanf("%s", stbid);
- c9 a: S: p P6 T# D( E - if (strlen(stbid) != 18) {( ` w- r. w% |( P, w$ V& V
- printf("Invalid stbid\n");+ }$ H5 P5 N$ I( G- ^$ g$ o
- return 1;6 `% N) @& `1 w; q; C6 Z8 J
- }
0 K" D* e0 J* Y7 L. @ - printf("\nNew parameters: \n");2 I0 ^* ?: I# y0 U8 j; u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! u) W$ u6 J/ t8 d2 v - printf(" STBID: %s\n", stbid);
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2 e/ p$ l. r* Z% g' u' b1 M* R9 v2 h3 f- printf("\nDo you want to change paramemters? (y/N) ");/ k3 o1 l, l) |' Z
- for (;;) {
( _5 d- e5 K2 N: Y& t9 k% ? - c = getchar();2 E% i( n% X$ l7 U% u! `
- if (c == 'y' || c == 'Y')$ b* U9 d# ]% |# ?
- break;! \1 v; \' M& n4 O2 [" C I1 v
- if (c == 'n' || c == 'N') {( Z( N2 p5 A7 y2 n+ B$ g! z
- printf("\nAborted.\n");
F8 H% V2 h" V1 K1 `) H - return 1;1 a H- X# t: F9 g6 l
- }; P8 E8 s3 V) e+ U3 i' ?
- }
$ ?2 B/ g1 ~) j+ ? - if (writeparam(mac, stbid) == 0) 6 ?* ~3 ?: R$ B. N8 |5 f E/ K
- printf("Parameters changed.\n");
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- B( ]7 H- u! P; L$ [8 }- return 0;
& |+ a6 ^0 e5 C0 S0 G b - }
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