本帖最后由 0522 于 2012-3-21 23:04 编辑
5 C9 y) w8 ?! r' L- ]( ~
L; d# N0 s+ L) X$ I修改的代码早有了。到今天不会编译。
9 u" e5 m% G5 m6 U需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 k) R9 w5 O! s2 n4 |
- #include <malloc.h>
+ e6 p1 R4 d& n - #include <sys/types.h>
6 u& ?8 z6 o) X; t - #include <sys/stat.h>3 j# c6 G- O M/ C+ h" s- i$ k, E
- #include <sys/ioctl.h>
! g- r$ E- ~5 c: T" I! T& S5 b: v5 X - #include <stdio.h>
% V5 X3 I( S8 {. }* m - #include <string.h>
! \) p- ?" o3 m
) X7 o1 n& A! s1 o# h, k- typedef struct {5 R5 c. G9 l/ X( D0 n6 D6 ^/ p/ m; Y
- unsigned int e2prom_cmd_sub_addr;
: G. s3 K5 m i8 _% v, P" \4 O - unsigned int sub_addr_count;
( F. c; f. T- D; s2 t - unsigned char* e2prom_cmd_data;
0 R9 i0 @6 r" Q) f+ ^ - unsigned int data_count;7 z8 Y T7 z: e2 G) T4 S! T
- } e2prom_s_cmd;9 t/ l" _2 K2 x- n5 I
- ; G4 a1 H8 `4 W) l; N! S* U2 b
- #define E2PROM_CMD_READ 1( f8 |' {9 ^& t% D4 a! Y
- #define E2PROM_CMD_WRITE 2
( y: R5 ~4 M5 k - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
& c& }3 \6 u: I5 E% K+ K2 e" o. y, V - 7 [! `# r2 ^( J9 \
- static int readparam(unsigned char *mac, unsigned char *stbid)8 G& r. p4 ?6 a8 C8 j: Q: u- d
- {& Z1 l C* v5 s
- int fd, ret;2 }4 J9 L6 d% n, ?% _! V* T
- e2prom_s_cmd arg;8 n6 Z) j$ \( b1 C) C. A" B
- unsigned char buf[0x18];9 O; m% z: O7 r: Q5 I8 L
& k) ^# v5 Q4 Z8 a- fd = open(E2PROM_DEVICE, O_RDWR);
: {- n8 [) g9 [ - if (fd < 0) {0 I) J) Q3 {5 D7 M4 }( H% G
- printf("Device %s open error.\n", E2PROM_DEVICE);
/ K F" E" P% U1 s, V - return -1;
, V' G! ^" P* V, b- S. b! R - }* E6 L4 b9 R" R9 m3 w: ^' m
- arg.sub_addr_count = 2;
' k# d# ]" L( {; a8 ^* @ - arg.data_count = 0x18;
1 D! a& @6 o0 e5 f( P' P( l - arg.e2prom_cmd_sub_addr = 0x290;
2 F( F& t! r$ y* H# b# X - arg.e2prom_cmd_data = buf;
8 n! O$ g, C J2 R - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
. h9 o* ^+ S) ~2 ?% j2 K) j& I% Z% t. x, z - if (ret != 0) {2 F$ M9 q) {# D+ n# P& F/ d8 V
- printf("Device %s read error.\n", E2PROM_DEVICE);
1 u1 C9 s' i: E) a - return -1;
0 h) t, `; f; ~) l7 }3 n - }
0 b* n1 S, X+ k& ~' I - memcpy(mac, buf, 6);$ _5 K+ o2 ~$ B3 J6 W( C) W2 E
- memcpy(stbid, &buf[6], 18);& r: E$ L2 [" M/ Q2 U+ ^8 z# U
- stbid[18] = '\0';* j& W5 z9 } B9 l6 h) V
' M" R; c: M/ D- S2 `' S- return 0;
9 n+ C" I f8 f% G* Q A - }
7 E) d2 G S/ x/ ~2 w+ |, L
' c2 X# w7 E7 i" u+ k- static int writeparam(unsigned char *mac, unsigned char *stbid)0 Q$ r* R5 v" S; j/ X8 ^9 s
- {! x6 k$ H( k$ s, F: x' L+ r$ _
- int fd, ret;
+ o S- u9 S( }, Z" k# m - e2prom_s_cmd arg;
- V7 C: t8 @; ^1 i8 q7 c - unsigned char buf[0x18];
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9 x# h$ _0 G: n+ q7 u8 @- memcpy(buf, mac, 6);
q" d0 V, L( N$ E. \ ^" z! _ - memcpy(&buf[6], stbid, 18);
9 Z! u, I, k1 i% H/ w2 X" ] - fd = open(E2PROM_DEVICE, O_RDWR);) C6 N$ ]: c0 V
- if (fd < 0) {
/ h' W3 A: K; S6 F2 c - printf("Device %s open error.\n", E2PROM_DEVICE);% Y0 ?8 @, U, _1 D- |4 ]# n
- return -1;8 L, C, H6 l$ U! J" t9 O9 A
- }/ \8 R' Q( g, M! V6 ]5 w
- arg.sub_addr_count = 2;
& O" J' e6 Q* ~; V - arg.data_count = 0x18;
" c( y! L4 v0 a" v9 x* m( v - arg.e2prom_cmd_sub_addr = 0x290;6 j% U7 {% N0 o# N% K
- arg.e2prom_cmd_data = buf;
) H. u6 W1 {( z. b- B- ` - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 ^' H0 d7 T& S4 u0 J; ?0 D% W - if (ret != 0) {
& F- V: z4 y9 g) v - printf("Device %s write error.\n", E2PROM_DEVICE);! F2 F; S; J$ P% K5 e& r
- return -1;
( J" h/ e) \5 z2 \( e( D - }
( s4 y+ u6 H" ^+ O& v. F) y* M9 y* k - + S. J4 E; h) {
- return 0;
% o( d/ N; A" ^2 v* ?5 | - }' f1 i4 n5 {, Q9 y
! Z6 C5 j6 Q, r2 U2 P' H, m- int main()
]. H3 r+ |4 y8 M8 g o. M( ] - {
$ z# ^: Z3 Q0 b5 [ - char c;
0 E5 _4 `0 A* L$ F7 E - int i, macs[6];( m3 B6 D7 `' C V; R9 G* e9 T5 l
- unsigned char mac[6];( i6 p* g% b4 A+ k' P7 b
- unsigned char stbid[256];
6 Z* G/ S. t' @+ b* m - 2 E0 @) L0 v! w; K$ B
- if (readparam(mac, stbid) < 0)1 B$ b; z/ s+ G, c3 ~" n
- return 1;
$ ?* M# ^$ h% ~4 D9 Y5 U, M - . i8 \( m+ C$ W; q% P. V5 s; G% N: |6 a
- printf("Current parameters: \n");1 c9 I" K& J3 F/ h5 A1 R- S: S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" \/ g0 ~ }; a& ]3 e* V6 b7 Q- z4 w
- printf(" STBID: %s\n", stbid);# |% Z0 v( X7 }* K
- 3 E7 z! X7 ]2 S) Z2 S+ N
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- g7 e# ?, \; q - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 w# q# |/ T8 z3 W+ Q% M
- printf("Input MAC error\n");
3 `/ ~! Z. b' a - return 1;0 f4 h2 q' w- @- F5 C( D
- }' o5 k* l* Q( X8 y/ Z! ?
- for (i=0; i<6; i++)mac[i] = macs[i];
; ~ N$ N( l/ e$ ^8 `$ ~ - printf("\nPlease input new STBID: ");
/ i% w* M- f; N) L$ T - scanf("%s", stbid);6 U) l0 B( s4 x
- if (strlen(stbid) != 18) {
6 P+ v$ j" i$ ^- l2 n; D - printf("Invalid stbid\n");
" P# N% ~- P( P" T - return 1;- i9 S( ?2 E) l/ U5 T: D
- }# a" r9 \5 P0 F( o
- printf("\nNew parameters: \n");+ Z) ~4 l1 l/ ^0 D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 V3 x" H: T8 t3 Z
- printf(" STBID: %s\n", stbid); e8 `* r. r. \/ {
+ f$ H. N. e/ _- printf("\nDo you want to change paramemters? (y/N) ");7 l+ D2 `/ e% i+ b0 R
- for (;;) {
. h2 @4 G" K; ^ - c = getchar();' ?% H9 p8 z1 o Q. H/ `
- if (c == 'y' || c == 'Y')9 `+ K/ Q8 [6 Q1 r
- break;
& r( n7 l+ Y4 }" M" K' E7 b - if (c == 'n' || c == 'N') {
! r o2 z' r0 Z! g& v! d - printf("\nAborted.\n");5 i6 M! s& f! L Y( n5 V2 }
- return 1;/ h) V! {2 [3 K* U3 k8 i9 x, N
- }
! A7 @6 a2 Q* d - }- }% B7 x% z f9 {8 a5 [
- if (writeparam(mac, stbid) == 0)
9 J: h6 B! s" w( X/ _8 B: c! S - printf("Parameters changed.\n");
* c/ o7 C0 t& i# }& G! X - 3 E2 G7 u0 w* O
- return 0;
6 D. e& L& T0 k, w$ d: b - }
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