本帖最后由 0522 于 2012-3-21 23:04 编辑
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' K1 I. r( N1 u$ c- P" F+ @修改的代码早有了。到今天不会编译。
5 t5 R' C. L) A" |$ `2 G需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 }" \3 b, a8 Q: c) x - #include <malloc.h>9 d: z, D6 i ?/ F
- #include <sys/types.h>+ C# }# v: ^! c6 s4 J) k5 i$ ?1 a3 e
- #include <sys/stat.h>
) ~" h& e% c4 P - #include <sys/ioctl.h>
" {* @% l+ p# P1 m {5 f: c+ M - #include <stdio.h>. v4 d; B6 y+ ~* D
- #include <string.h>
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% b+ J c$ p( J# n5 C9 A) _- typedef struct {9 h; L7 n% A/ x" L: { ^
- unsigned int e2prom_cmd_sub_addr;
, `. X, z* x$ U1 P' o7 F( b% d9 V - unsigned int sub_addr_count;" @: m5 s R, I* a
- unsigned char* e2prom_cmd_data;
; [# u/ W2 C% @% U# j - unsigned int data_count;6 ^9 A! }- n* ]6 e1 O: G
- } e2prom_s_cmd;. t @/ [. }6 a3 u0 J# `: Y, H
- , N5 `/ Y. c) W& }+ O! a
- #define E2PROM_CMD_READ 1
/ L$ K p: L( R1 ? - #define E2PROM_CMD_WRITE 2
8 q+ J$ f/ y0 |" ?- z+ l - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"& [* A' h _7 M4 }) @# y
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- static int readparam(unsigned char *mac, unsigned char *stbid)# y4 _* M6 {% R! H" x
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- int fd, ret;& ^, Z$ a2 l& U% m2 ^3 I7 w2 s
- e2prom_s_cmd arg;. O- C( F. ^+ [, E' x+ c. w9 @
- unsigned char buf[0x18];, S' W/ g0 c& E2 y, Y, u: e; H
* [% f4 N Z1 U: K- fd = open(E2PROM_DEVICE, O_RDWR);
. [- M4 X3 x0 A" K: @( O( o1 I+ n - if (fd < 0) {
2 O3 x; X9 D2 h3 v+ T# j6 e: q - printf("Device %s open error.\n", E2PROM_DEVICE);7 n1 A, e& y4 P& V& |- J. B' z- `
- return -1;6 V) u1 M7 W& F4 C4 U) T
- }
9 B, K4 T$ Z! @: L' B' p* s+ ~ - arg.sub_addr_count = 2;
% x; X: D! J( g& ^3 K - arg.data_count = 0x18;
2 z$ R9 r7 `. L2 n - arg.e2prom_cmd_sub_addr = 0x290;' }" e6 B& ?1 L
- arg.e2prom_cmd_data = buf;* j: Y3 d0 ?$ C- L, M' Q9 _% f! u
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
9 b; l1 X8 l; Z+ w4 Z - if (ret != 0) {* J9 N% s3 x! w% c
- printf("Device %s read error.\n", E2PROM_DEVICE);
; k( E2 W2 V# J# P6 F% @( q - return -1;
# D* n t, h: @' o! b, M - }
3 B7 U0 S* B: H# j3 t, |+ a# `, k - memcpy(mac, buf, 6);
( O5 p! }2 P' ?# T4 t - memcpy(stbid, &buf[6], 18);
1 k' u/ S8 U& V5 | s4 Y; [4 d( e2 z9 o - stbid[18] = '\0';) b5 i( r' m: w( X: }2 D6 F' q
# U2 N, `; e: l7 t# _- return 0;
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! @8 l' z# L5 s1 y$ M- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;' d, |) {; M( ^0 f# v
- e2prom_s_cmd arg;
, l9 I' @% Z4 ~* \. D$ J4 z - unsigned char buf[0x18];
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" U$ u, H% _& R1 k, V/ _ H2 E; i- memcpy(buf, mac, 6);
0 L1 ~; x* W: p: D: g - memcpy(&buf[6], stbid, 18);
! D! h* y0 v! M - fd = open(E2PROM_DEVICE, O_RDWR);
/ C1 |2 e/ M5 g9 q6 y - if (fd < 0) {
) o z# H N5 I - printf("Device %s open error.\n", E2PROM_DEVICE);; \6 c% i# p1 y9 s& o( R
- return -1;; U* J: b0 _) @& d% V; [. G1 C# _
- }* V3 d; Z n& V4 w( ~/ O# M2 `
- arg.sub_addr_count = 2;
; _6 I, \7 z/ R5 {/ ^ - arg.data_count = 0x18;! t1 j" ^+ n( e y( J/ F
- arg.e2prom_cmd_sub_addr = 0x290;; m+ g& M& R! L, [( S1 n) ~9 a2 P; U
- arg.e2prom_cmd_data = buf;
. T' }. }/ p; f5 l - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);. \6 p0 C: y, v- A+ k/ R/ k$ D- p
- if (ret != 0) {( c# `: Y, N( x. D- }
- printf("Device %s write error.\n", E2PROM_DEVICE);1 A( ^1 b* n* \0 Y
- return -1;8 L% f7 f' t: ?
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- return 0;' D/ ^) @; B- Q/ R8 R* M# R. r
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' l$ ~ s3 M# ]( }- int main()
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- char c;0 s& C: c( u% s: _! P( H
- int i, macs[6];
7 T# h0 F: F) `/ x6 E - unsigned char mac[6];
" x9 a# ^6 f/ z& @4 m& V - unsigned char stbid[256];3 ?9 k6 a. F- i) Z3 b; e, @9 n) i
- 1 Z- H4 C! A @6 j# S
- if (readparam(mac, stbid) < 0)8 F: f4 }, W+ S- i2 a
- return 1;
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- printf("Current parameters: \n");: n( i, l, T: M3 P' A) U* ~ E
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" S. h; S# B- g7 h, z0 V" L4 v - printf(" STBID: %s\n", stbid);
* \( J( D9 Q) k& l, P - % \4 J: z- h- y5 F7 X, J0 ^6 [
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ \3 D/ `, o) |
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 [ i: z' C% C3 @: n3 v" I
- printf("Input MAC error\n");
0 ^! l2 j* o; g" | - return 1;& W1 z9 m% L, r- v1 v& E6 s
- }
& c0 d( |0 t& @$ s& z; O# f - for (i=0; i<6; i++)mac[i] = macs[i];
+ ]" X. J7 a7 A& L* r6 { - printf("\nPlease input new STBID: ");
# N4 B% e* p( E - scanf("%s", stbid);
, T) d+ C; R. j6 c: n - if (strlen(stbid) != 18) {9 h+ A- N# u' q- u* P3 M$ `
- printf("Invalid stbid\n");3 o' u# j5 t8 d4 c+ r
- return 1;
- F6 @4 f) i& Q2 h - }
/ z# q1 J+ r; L$ |) y2 C) h( B - printf("\nNew parameters: \n");9 m0 M l# P" o8 S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; j. H! Q1 C- E - printf(" STBID: %s\n", stbid);4 |0 F7 b5 K$ d* C$ m& r: r
; R9 i( c- x7 b% E' U2 P! Q( M- printf("\nDo you want to change paramemters? (y/N) ");* ]1 m" |/ _. c( o' x) x+ u2 q
- for (;;) {
0 v% \8 H3 I( }* a7 c4 z - c = getchar();
- _# }. P4 w% K1 X" s - if (c == 'y' || c == 'Y'): F9 _4 L; S3 Y# s& ~
- break;; i7 e H* F6 [2 I' { D
- if (c == 'n' || c == 'N') {: x3 ^3 i& C* T3 h
- printf("\nAborted.\n");
# s2 C- h9 V' B+ @* n - return 1;
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- }, I2 C7 F/ G% ]' v
- if (writeparam(mac, stbid) == 0) @2 _: {9 W+ N. E
- printf("Parameters changed.\n");/ W, b8 e% e+ ]9 n7 `/ Z6 R, M5 R
) X0 S# k1 U6 F! K- Z1 t( \- return 0;7 u! y! h4 L) D+ Y* f6 s7 { m
- }
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