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。
; @) |9 D! `) A: k4 Q1 m需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ Q, o F9 k) M) s! S: }
- #include <malloc.h>* U3 u5 ^- v6 B0 q2 l5 F8 u! F
- #include <sys/types.h>
& s3 `' F6 d# C) a8 V Z% z - #include <sys/stat.h>1 x% s+ K2 y* e: }3 ?
- #include <sys/ioctl.h>
2 K$ p3 k9 b; q6 Z% y$ B - #include <stdio.h>
% F) P3 w0 w( a, ^ - #include <string.h>
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2 L& v1 s" _# w' V- typedef struct {
- D5 t, f' ~- B, l+ ?! O/ P - unsigned int e2prom_cmd_sub_addr;& h& }: a# O, _) T! `
- unsigned int sub_addr_count;
- t5 e) w: Q6 B6 H* x - unsigned char* e2prom_cmd_data;
" B/ g. v5 I6 X# D: J O - unsigned int data_count;
T0 {8 c( s$ B3 D8 I - } e2prom_s_cmd;
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4 A- r; M2 p6 x2 A6 ]- #define E2PROM_CMD_READ 1
0 n2 f, d1 y2 z5 F3 W3 B. }# q - #define E2PROM_CMD_WRITE 2, H& ?) D) b5 q/ x
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"3 T* ~1 d# |5 z; _
- u/ u1 a4 J7 i9 {9 V* P+ t
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
" ?2 ]8 d1 P! A - e2prom_s_cmd arg;; [4 o! ^9 @* G; H) I
- unsigned char buf[0x18];5 A# p: F0 I5 ]0 W0 Z2 v1 Y1 ^- [- j
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- fd = open(E2PROM_DEVICE, O_RDWR);5 ]1 b# n# E1 Z! O) A
- if (fd < 0) {" |" r0 ]* R( S1 F: w+ O* I' h# K
- printf("Device %s open error.\n", E2PROM_DEVICE);
: U2 }; h& `- l! J# z' c% M - return -1;
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- arg.sub_addr_count = 2;
; [7 }% }8 |$ v* i( W2 ~ - arg.data_count = 0x18;' D! O, Y6 `" u& X4 j0 F/ z @
- arg.e2prom_cmd_sub_addr = 0x290;
6 K4 E6 n. }6 X( x - arg.e2prom_cmd_data = buf;
9 Y5 n" ~! I" {4 k% i; J% u. y$ }2 u - ret = ioctl(fd, E2PROM_CMD_READ, &arg);. v# r: s& b( s5 _$ H& `" f
- if (ret != 0) {2 P, C+ ~% v. W3 ^& _
- printf("Device %s read error.\n", E2PROM_DEVICE);. s5 K& s5 ^) j" h: C1 B
- return -1;& @5 r% f2 Y2 U! h
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- memcpy(mac, buf, 6);
# e6 s! J7 A- T$ x* [3 [! _0 k - memcpy(stbid, &buf[6], 18);# w; X! {/ ?" d$ u! \ ]
- stbid[18] = '\0';& B4 T2 {# X5 ~, B
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- return 0;4 B- p5 ~+ M3 y7 r; y7 C8 R9 p* v
- }
( i+ N! z0 S# ^4 V9 {
; G/ L8 [* T- D! t4 a- static int writeparam(unsigned char *mac, unsigned char *stbid)0 ~0 [; y( S3 C5 z
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- int fd, ret;4 ~6 H# _8 L6 O# Z6 Q
- e2prom_s_cmd arg;* \0 X4 n: [6 k8 y1 ?) S
- unsigned char buf[0x18];. b# A' ]% p ^
- / w4 ?$ P# @: l' u8 D1 ~
- memcpy(buf, mac, 6);
" z4 b7 T; n$ x! p7 D2 _ - memcpy(&buf[6], stbid, 18);
/ @- H9 o/ e9 C( [* u0 Y - fd = open(E2PROM_DEVICE, O_RDWR);
' n1 R& r. W' Y- l - if (fd < 0) {
" w0 |7 B! B5 } - printf("Device %s open error.\n", E2PROM_DEVICE);
6 Z% p: P4 G/ V- i - return -1;; |8 f' b$ I: }7 ^2 n
- }
1 r" p6 Y8 e- Z" F; f# X - arg.sub_addr_count = 2;' G$ c s, m; k p6 t
- arg.data_count = 0x18;% u0 e7 }6 T" V4 z1 g
- arg.e2prom_cmd_sub_addr = 0x290;
9 Y) ]; [( E, g; z8 G/ ^5 j. s6 D - arg.e2prom_cmd_data = buf;8 L, B; o3 _/ i5 c
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);; n6 g- V- e5 R {" D2 j/ Y
- if (ret != 0) {2 {8 d0 ]: c0 E `9 U6 a
- printf("Device %s write error.\n", E2PROM_DEVICE);% n$ [; y X: B3 J W% ]
- return -1;' i8 G, _% \: l4 K/ A0 S
- }; @$ ?) G3 S& u$ {
0 ^/ B2 j* L3 A! g% K! c2 H2 [0 ]- return 0;
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- int main()
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- char c;# W9 c+ T* T4 V, S
- int i, macs[6]; b. r6 g/ \7 p4 c9 q
- unsigned char mac[6];
5 ]* |4 m) [7 i1 j - unsigned char stbid[256];
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& r& O; q8 v# K8 a- if (readparam(mac, stbid) < 0)
, y, \+ t/ w4 J0 o& G - return 1;
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) Z- \) t, r4 _4 F, G: J9 m- printf("Current parameters: \n");
9 @* n0 Z3 D/ A' `9 ~ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- g) ]/ R; j0 ?) M6 K8 J$ Q - printf(" STBID: %s\n", stbid);+ K K6 h5 I; P T% r5 Y2 n; N/ t+ S
- , Q- z2 Z( z7 h: s6 e! C
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
/ I6 I# B1 E' ?3 m' v - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 K& S2 z/ H& V' t b) ^ - printf("Input MAC error\n");, o ]/ P) L; x) j* O" C6 |3 t
- return 1;% o: r9 u* Z' { \- [# k
- }
1 b1 P8 N9 [4 x1 `* D - for (i=0; i<6; i++)mac[i] = macs[i];
3 B3 E8 p0 r$ d6 {. F - printf("\nPlease input new STBID: ");' u4 p9 J. h! l0 M/ j# n0 U
- scanf("%s", stbid);5 o- k& G( v( R1 H7 t, ^+ G
- if (strlen(stbid) != 18) {" i9 m4 `; F. b& v
- printf("Invalid stbid\n");
% e. @% A, x: Y: Q6 b - return 1;- O. ?4 j8 S! e6 }6 K
- }. Z5 u6 y; Z0 Q! `$ K: Z% G/ T* \7 `
- printf("\nNew parameters: \n");
& F2 U* {! J* x3 J: h6 ^" e7 f" f: X2 X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 A4 Y9 j2 G2 q% S4 G
- printf(" STBID: %s\n", stbid);
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4 j L8 ^7 B3 h- printf("\nDo you want to change paramemters? (y/N) ");
2 q2 `9 U1 H; T4 Z, v - for (;;) {' {. d) |" }) @ |! H
- c = getchar();. ~8 G! I E7 `( k
- if (c == 'y' || c == 'Y')
* t4 p3 e5 ]' A3 n4 Y: _ - break;
3 Y# W: `4 _7 [ - if (c == 'n' || c == 'N') {
6 D) \/ j4 X6 e1 g* f" l2 r) ^" l' M - printf("\nAborted.\n");3 Z, z3 N% P; K3 U& R
- return 1;
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- }
; F5 q4 s. B2 u. R) e' ` - if (writeparam(mac, stbid) == 0)
1 h* a" D3 [ ` - printf("Parameters changed.\n");- L! F0 ~6 x f j0 r- u! j
3 I9 y5 e Y! O" G- N. C- return 0;) S$ A3 r8 m6 F4 z
- }
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