本帖最后由 0522 于 2012-3-21 23:04 编辑
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) P( g9 ~4 S) h s* T修改的代码早有了。到今天不会编译。: K0 ~% d# Q8 J
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 n/ V7 ~, s( e1 E* g9 _. v: t - #include <malloc.h>
; M& R' p# t* f/ C - #include <sys/types.h>
" Y1 D' b1 ?' z( z0 H U5 I1 e - #include <sys/stat.h>
* f" z1 b' E9 h; H1 x$ r - #include <sys/ioctl.h>
/ _+ _7 ]$ I' u4 r - #include <stdio.h>
l0 [( u4 v5 n: A# U - #include <string.h>% l `% e$ x3 ^2 C4 L% x; i
; Q# x# {: b$ j9 z6 e- typedef struct {. t$ q3 N% I9 L& B5 W1 M: N
- unsigned int e2prom_cmd_sub_addr;
' _9 g' V$ s% e - unsigned int sub_addr_count;. t$ k1 B; V" s5 B- v- B
- unsigned char* e2prom_cmd_data;
2 \+ c6 g4 ]# v9 i- Y, d - unsigned int data_count;
, r: k( H- `8 w! t - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1' O9 C: B, Q v7 U! L6 ] \* g
- #define E2PROM_CMD_WRITE 2; v. J) {7 w0 p" E* p5 l4 _. }
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)* ^5 u: \! n7 ~3 c7 P" z' B. d' ]( N
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- int fd, ret;- Z, p) B1 y; q$ M: Z3 |8 ?
- e2prom_s_cmd arg;3 z( o$ p, S6 `6 R9 q
- unsigned char buf[0x18];
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+ B# X* H" l# d t" O% Y- fd = open(E2PROM_DEVICE, O_RDWR);
3 P- a& H" t7 y7 m - if (fd < 0) {
$ O4 c* V0 ]( H- {* n9 t& f+ } - printf("Device %s open error.\n", E2PROM_DEVICE);* O: ]" L1 E7 H) j( g- i" @0 h
- return -1;
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- arg.sub_addr_count = 2;9 m- T4 P. f) z7 D, o4 J
- arg.data_count = 0x18;. [, s& z2 I* ]5 n- \. n$ m
- arg.e2prom_cmd_sub_addr = 0x290;
9 F( R) @" Y" Y0 ? - arg.e2prom_cmd_data = buf;
) ^. U# H; S) W: M$ J - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: ~9 v1 B/ {$ _9 \ - if (ret != 0) {% M2 O( ]/ b Z. D- _% f G# P, j
- printf("Device %s read error.\n", E2PROM_DEVICE);$ [- l8 l( V; S1 Q
- return -1;- R7 o. {/ `- @7 w4 W+ ]) l
- }
8 P! U U0 s0 s, T+ H! i) K9 r7 [6 A - memcpy(mac, buf, 6);; Z+ y2 G" w, ~6 f4 T9 m
- memcpy(stbid, &buf[6], 18);
7 o6 l* \% I( u+ I, R1 L! I - stbid[18] = '\0';
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, X/ |. k8 b$ g( t$ O8 p- return 0;5 m3 @5 H4 o. z7 m- }
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
& x8 U: \7 S, i% ]. g1 Z) U - {
$ I2 C; S* F2 L - int fd, ret;% Q1 R. z* R1 V7 G
- e2prom_s_cmd arg;
% k* H) V: L7 g5 U- W8 O - unsigned char buf[0x18];
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* h( `: S, X0 o7 q4 `- memcpy(buf, mac, 6);7 {: Q2 T p! z' e" ?6 n
- memcpy(&buf[6], stbid, 18);( j, h5 j7 t* A! a
- fd = open(E2PROM_DEVICE, O_RDWR);+ N; ?8 A- A6 I3 |" W( ~3 I
- if (fd < 0) {
! A) m7 N' ^1 p" ` - printf("Device %s open error.\n", E2PROM_DEVICE);/ l7 y0 B5 C7 j. z' Z
- return -1;- C5 D: J6 I0 v/ V
- }: ?! D8 L; H+ l( v( A5 ]
- arg.sub_addr_count = 2;
; o9 V$ ]* {2 E& `( b - arg.data_count = 0x18;) O) x ^( l4 `
- arg.e2prom_cmd_sub_addr = 0x290;
! d! Y v% z. n8 ] - arg.e2prom_cmd_data = buf;
1 c& I6 h0 @3 L% p4 r' E - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; u o5 k J1 D$ {% v T8 d* Q - if (ret != 0) {) w5 e; P: S* B7 c2 }" u1 k5 @( P
- printf("Device %s write error.\n", E2PROM_DEVICE);
% @: R2 F- Y6 i; {' \ - return -1;+ y( e+ S" ~$ Z* K
- }
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" r6 R& g+ g* d7 ^% p( }- B( F- return 0;1 z3 U u k! @* l" c4 x" I& P0 Y
- }# o% a+ j3 L S# f
v" ]# b3 z! f0 F* d4 I- int main()
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- char c;9 m( R+ \. h3 C
- int i, macs[6];5 u/ R+ |! n/ p6 @9 b
- unsigned char mac[6];# g( ~ C, c" B; i
- unsigned char stbid[256];. y8 k0 L$ f/ H8 ~0 ]1 z
- # t4 N" M! P0 S J: }6 h# N
- if (readparam(mac, stbid) < 0)
2 Y+ b1 p& G6 J5 y5 k: L* y - return 1;
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- \, g }2 |0 ^( f- printf("Current parameters: \n");: @8 P) \2 m: d2 D Q) K; ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 t# H. f8 Q/ Q0 ~ t/ m% Y/ E
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");1 d( g8 E0 L/ N3 U& K e; \4 Q6 g
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 h& j$ e+ C' x- C0 O+ a' { - printf("Input MAC error\n");9 P) J% i6 T6 F: y. R7 g( _, \
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];8 O- Q( m% }! K1 z
- printf("\nPlease input new STBID: ");1 ], \- @; ^; |4 P5 i
- scanf("%s", stbid);. m* s% Q* M7 f" B9 C) {* p+ H$ p0 _
- if (strlen(stbid) != 18) {1 K+ \* p- r8 z6 U9 X
- printf("Invalid stbid\n");
5 D4 s: e4 | K. I( b - return 1;9 v% q, o( o5 D }
- }
# h9 o0 x& W. a( b2 j - printf("\nNew parameters: \n");
; j/ }8 x3 C$ h4 f - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' m7 j S$ h( w* l* |
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");3 P; b* Z! D0 M# H, W
- for (;;) {
" o5 }( |% O- E - c = getchar();
, e! ~! Y3 c+ A - if (c == 'y' || c == 'Y'): I* N/ V1 q& Y7 X
- break;
9 X+ t* f0 \: I3 v; G - if (c == 'n' || c == 'N') {% @. f9 P2 n% x) }: X0 G( J" t
- printf("\nAborted.\n");0 K+ n: s1 |- U
- return 1;( M5 S5 b: k$ W. P
- }
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- if (writeparam(mac, stbid) == 0) 9 g; v/ r: d3 ~& g- J# N; `
- printf("Parameters changed.\n");) h" j" c# [- r$ N2 `+ i
- 8 f; \1 X. a' w. x. ~
- return 0;
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