本帖最后由 0522 于 2012-3-21 23:04 编辑
/ T& e: y5 i3 T$ D5 [: J/ v9 K6 U- e4 o. o8 y
修改的代码早有了。到今天不会编译。+ f+ `- N' \& g' l6 C( ]
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: h9 a! J8 t* D4 L/ L4 h9 ^
- #include <malloc.h>4 ?- o! f2 l$ h) |2 n. {8 p, f- r
- #include <sys/types.h>
2 t N% {% H5 z4 S" J% u/ f" p - #include <sys/stat.h>/ k' U, l7 Y1 j
- #include <sys/ioctl.h>
7 j. q5 e0 k2 d: @1 T! r9 ?- O& X - #include <stdio.h>
: K/ O: t, y4 D& m% S - #include <string.h>
4 m$ q6 n- T ~! z
; R8 `4 w$ w+ ~/ P- typedef struct {; v% b7 h) A1 E! |. m2 E& Y8 v
- unsigned int e2prom_cmd_sub_addr;
) A8 ]& o- n* \, }1 k9 s - unsigned int sub_addr_count; C+ W* H8 ]* t' V
- unsigned char* e2prom_cmd_data;
3 ]) ~# d9 n; G) B6 Y P( s' g - unsigned int data_count;- v" Q, o- R# L% W( R& `( u
- } e2prom_s_cmd;
/ {0 A! A+ {9 d8 r - 3 R+ K9 T+ u- V# [! ~6 s: l6 H; | \! b
- #define E2PROM_CMD_READ 1, o" a4 S$ ^5 q7 f
- #define E2PROM_CMD_WRITE 25 d* |4 |. d% h+ p; i2 r: h
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
7 z: O3 }) V9 m2 B$ n
6 q) E" s& o# x* w, O+ c/ o$ e$ S0 A- static int readparam(unsigned char *mac, unsigned char *stbid)
" N; h [# a' H& v( k# o+ x - {
; { h, E6 M$ K3 F9 H: ?8 S+ R0 L; X - int fd, ret;: V6 w, J2 p# y- K
- e2prom_s_cmd arg;
, s2 `# z1 j, | - unsigned char buf[0x18];
+ H; A8 ]: n) n6 Q- c; D& b! }
4 ]6 N0 R( h2 w% _4 ~/ B+ W- fd = open(E2PROM_DEVICE, O_RDWR);* `0 `! \. z- b4 ~, @
- if (fd < 0) {$ `& r# z/ f$ J, [' q
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ O4 P2 q. c( ~9 l h+ u. J% r - return -1;
5 g4 l0 {; {8 D* A3 k" J - }5 K* Q H% a3 B; p. |( B
- arg.sub_addr_count = 2;2 E W" k+ ~. X. o: g. d) M
- arg.data_count = 0x18;0 V/ y: }& E: Y/ }* D
- arg.e2prom_cmd_sub_addr = 0x290;
- F( `" _& ]) @; ` - arg.e2prom_cmd_data = buf;( v! i1 V3 u; U+ C& a/ [
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ C+ l" Y7 V% O9 u5 w; f: ?2 @
- if (ret != 0) {
( b. [( ?4 P1 z, |0 c - printf("Device %s read error.\n", E2PROM_DEVICE);
' P, s" b& H C - return -1;
/ t- t. N8 @" w+ C0 d, Y# n- q - }5 A* m0 f* }1 h% m% r8 R O3 ?
- memcpy(mac, buf, 6);
+ _8 j+ ] o$ b& r; j3 N - memcpy(stbid, &buf[6], 18);4 |+ S& w6 a: f" ]' Y7 D
- stbid[18] = '\0';9 E$ S9 `* B Y; [/ }
3 b2 F4 }8 [0 G$ I- return 0;
9 G2 o8 T2 O% C/ L - }/ x1 i1 V6 L+ ^+ {5 R* D% _
- 0 F" \/ l5 T0 s+ m% X0 [9 H
- static int writeparam(unsigned char *mac, unsigned char *stbid)* l" b3 r5 w5 \- k: ^# k
- {6 ~) ~- I! R9 D( o: d- } J
- int fd, ret;4 V& A, Y6 h) @- ~0 |( \
- e2prom_s_cmd arg;. A- c2 P! X5 G$ v( s/ H
- unsigned char buf[0x18];9 a% S4 y& K# d F" t
- , Z2 I; v+ B# M1 N+ }
- memcpy(buf, mac, 6);3 f1 A. u' b: A$ Q
- memcpy(&buf[6], stbid, 18);; @# I# W4 u- X2 R) S" s
- fd = open(E2PROM_DEVICE, O_RDWR);
9 s3 b7 f6 _( F- a. F8 E8 u# A4 r - if (fd < 0) {: J/ |( [2 }& k" l# e5 r
- printf("Device %s open error.\n", E2PROM_DEVICE);
* G) P+ F& o: o& O- A9 c - return -1;0 i2 B' T' o$ w+ Y, o
- }
3 ` Z. I6 H# D' ]7 l# L* {. K0 F - arg.sub_addr_count = 2;
" t1 ]( c/ C# d3 O( n0 F - arg.data_count = 0x18;/ e* h& _1 r: t) C" t6 T
- arg.e2prom_cmd_sub_addr = 0x290;
9 @* G, \: u1 X - arg.e2prom_cmd_data = buf; [1 M' B, {% c) b
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);# o# j$ O( A8 d% e- s$ I% | i$ @
- if (ret != 0) {6 Q0 {$ k) N C6 i$ E
- printf("Device %s write error.\n", E2PROM_DEVICE);
$ u: H- w: ^: Z* d8 j1 @; ] - return -1;
8 U8 ^# H! C4 b- f - }! B N9 m: o3 m2 v1 K
- * j% J k! [ \/ @
- return 0;
: L% A0 {6 p9 x- f$ V! {3 h - } D3 }* A) T7 u9 q
, _$ l" h. k; A) ?7 d- r+ |- int main()
9 H9 ~2 ~: Y7 z0 j8 [) D/ \! l% ?3 C - {: X6 R( o( r/ f
- char c;! m7 g; ?& f5 R* c8 k
- int i, macs[6];
2 | i7 z; g2 w; ?3 p" H s! O - unsigned char mac[6];
- r( w+ L" t. j T; k Z - unsigned char stbid[256];
8 k' }/ Y: K0 E: X. }' H) d( H
' S+ f% b' Z- j1 L. J5 ?- if (readparam(mac, stbid) < 0)4 @! u6 b# T( O e' z/ n
- return 1;5 r- k) e5 D, W
2 P* u. q6 S- R# Q" B- l- printf("Current parameters: \n");
: ^6 w3 C" `# R' N9 ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) j9 p# s! a) u2 i4 W' H }
- printf(" STBID: %s\n", stbid);/ e- n' b+ h$ P3 h" K8 o$ p+ z
-
# ]7 K! g1 l0 z# } - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
9 J2 |" S+ ]" a) k - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& T; K0 i3 N8 J( t - printf("Input MAC error\n");$ v* _$ _8 A& H: h
- return 1;6 q: W, W# t2 n0 k# B$ I
- }: z4 D: L [2 y
- for (i=0; i<6; i++)mac[i] = macs[i];
5 X4 f2 b& q5 `7 E6 g, O - printf("\nPlease input new STBID: ");
$ P2 i3 a: [6 _- b( J* f5 B - scanf("%s", stbid);! d/ M" Z) ~, s' _
- if (strlen(stbid) != 18) {' q0 ~ w8 p/ ~4 b$ x
- printf("Invalid stbid\n");
, B& }& h- N9 l, C. ] - return 1; r6 z. @0 h( D9 N
- }$ o% `4 X: z$ V' v$ r, @
- printf("\nNew parameters: \n");
y4 E& _; N& d2 E: m - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) j1 K) A! i o# ]7 a. Y
- printf(" STBID: %s\n", stbid);3 X; w8 R1 I* X$ ?
, I' t& D$ e6 }0 J& k' X( e- printf("\nDo you want to change paramemters? (y/N) ");3 Z5 t: L4 Q3 A5 i
- for (;;) {
( \. [1 D8 I9 |1 P- A - c = getchar();
6 y. B! k' D3 Z8 m. v7 ~# w [ - if (c == 'y' || c == 'Y')
9 x( ^# S, ?& A9 } - break;
1 T, s- r) `- K( D - if (c == 'n' || c == 'N') {. B2 b; a+ w& H* r! a+ X
- printf("\nAborted.\n");
- C& Z) ?% Y8 P/ B( \# x& _- j - return 1;0 \# J6 w( x% L# p4 ]
- }" y! i7 g6 _+ t' k
- }* D: M, r: S9 }: t/ ], E l' M
- if (writeparam(mac, stbid) == 0)
7 I [% K- I0 ? a# K - printf("Parameters changed.\n");
, l& D: N3 K0 J! ]4 T1 V8 j
- c9 C5 r& x3 f* m7 p$ P( v- return 0;
. ]3 n8 M; Q+ U( m - }
复制代码 |