本帖最后由 0522 于 2012-3-21 23:04 编辑 + c3 G* y, S* g' U _% n5 Y
. C# ~ }) T* @2 z, `修改的代码早有了。到今天不会编译。
& o2 K" L. S9 u6 G7 J) d9 f( D需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
! _ V* U5 W2 Y! t9 H - #include <malloc.h>
, O% F! ` M! _5 L E - #include <sys/types.h>
! K$ n4 ^7 J. R. ~/ e4 P - #include <sys/stat.h># D& C6 ]. g* S! h3 ?, K/ [
- #include <sys/ioctl.h>
1 Z- j' Q1 E9 D8 g* n4 ~$ q - #include <stdio.h>% X: i1 r# D$ w. M
- #include <string.h>) d8 z0 I2 `7 B
- # r% ?$ q- G1 r
- typedef struct {
8 ?' Q3 S4 U* ]/ W; A) W - unsigned int e2prom_cmd_sub_addr;
* R0 U5 L; R m! X - unsigned int sub_addr_count;
* V5 b L+ r1 p - unsigned char* e2prom_cmd_data;
3 C/ ~5 B5 b3 \" Z - unsigned int data_count;
0 }8 T5 Y- |$ O$ u - } e2prom_s_cmd;
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- T2 ?7 y" |# F' H6 S' \' B- #define E2PROM_CMD_READ 1
! I {% |! s5 M: Q6 A4 E* c' G - #define E2PROM_CMD_WRITE 2
; v v- t: j* ?! \' X - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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3 G! Z' Q% _) C5 F: e; b9 c `- static int readparam(unsigned char *mac, unsigned char *stbid)( B" |0 n6 m- h! _
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- int fd, ret;9 h( _. l( m e+ ~
- e2prom_s_cmd arg;$ W& _4 B' n9 h/ a0 s
- unsigned char buf[0x18];8 ?, Z( e8 }2 F- O$ A5 F
- ; K X8 E/ z8 R9 r% r4 ]8 Q
- fd = open(E2PROM_DEVICE, O_RDWR);- a! T T3 _: k$ L0 ]
- if (fd < 0) {1 {+ n D& W* B/ o% ?- q, |+ |
- printf("Device %s open error.\n", E2PROM_DEVICE);1 U$ B8 [- B1 a6 X( H1 _
- return -1; j3 h) `! t& v* ^
- }( X% o' Z N/ k7 I% B* G8 Q3 i9 }# ?, ]
- arg.sub_addr_count = 2;$ |* i# U9 x* W% O5 N
- arg.data_count = 0x18;& t- O( V3 I7 b$ O) A2 D8 _
- arg.e2prom_cmd_sub_addr = 0x290;2 H& w0 n* j+ J% k
- arg.e2prom_cmd_data = buf;
3 M, `! h: i5 f) v0 m3 ^ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ h: A8 b9 ]# A2 S. `
- if (ret != 0) {
1 ?& S2 T- A) n! B2 t9 e, \! H - printf("Device %s read error.\n", E2PROM_DEVICE);
. S ^% l! k. r& } - return -1;
& T8 h8 y$ O' K( Z* h - }
9 T; Z6 N0 u- W5 x - memcpy(mac, buf, 6);
' `! i( ~8 |: K# \8 }0 c7 J8 X; ] - memcpy(stbid, &buf[6], 18);
, O4 _; g, L) ]" R k - stbid[18] = '\0';# \: @" }" U( H6 ], X6 V
7 ?! [/ i+ Q6 X! Y% f- return 0;
4 F: k; [7 N8 B7 |) } - }
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7 I+ i& ]# H3 h) p+ u Z5 i- static int writeparam(unsigned char *mac, unsigned char *stbid)
0 _9 j: G8 Z* `2 [6 ^: p - {
& c# A) B) |- V, X - int fd, ret;
& N. B3 x% v- b4 H. W - e2prom_s_cmd arg;
: ~* `0 j9 e a, j+ p' i0 X1 e - unsigned char buf[0x18];
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4 V0 p! m6 y' i4 k- U- memcpy(buf, mac, 6);$ M G6 \7 p: i7 I8 O
- memcpy(&buf[6], stbid, 18);
3 H8 g2 D0 E* i( N- p" \ - fd = open(E2PROM_DEVICE, O_RDWR);) w' o1 {7 s, q9 Q3 c3 G4 e
- if (fd < 0) {5 w; H+ J$ h7 Z! ~0 n
- printf("Device %s open error.\n", E2PROM_DEVICE);3 r* w$ E; p9 a8 x+ I) m: B3 _
- return -1;
8 N0 w% {7 z3 A3 y" P - }
7 h5 d6 r1 L1 g( O4 B+ a - arg.sub_addr_count = 2;$ {7 G- P# K- L# F* f7 h
- arg.data_count = 0x18;2 Q6 H1 W* v& N" L: J( _+ _
- arg.e2prom_cmd_sub_addr = 0x290;& ^% O6 v: n( C! ^1 _
- arg.e2prom_cmd_data = buf;# C$ s1 i( ~' h. s$ B/ ]% |
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" h. U* I$ w( v+ G1 q/ }& b
- if (ret != 0) {
( D x" |% f' h* X - printf("Device %s write error.\n", E2PROM_DEVICE);: E9 l0 ^' |# z
- return -1;
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% a7 j& o. ]2 T1 N- return 0;# G) _( p; i7 ?! ~
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- [0 u2 B5 w5 s( S8 C( P9 x
- int main()
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- char c;2 ]: P- n. ?3 K8 M$ J5 [1 z$ B+ \% @
- int i, macs[6];: y/ j! E/ j- Y9 m: I* q+ h/ q" |
- unsigned char mac[6];# H L* `" `4 M# b
- unsigned char stbid[256];4 D3 p$ |* o& D9 X, i$ d
5 Z6 H2 v- G/ r2 V+ _) C) `% b( m- G/ i1 B- if (readparam(mac, stbid) < 0)2 o# f! k4 w3 Z9 |
- return 1;
7 N+ V8 E1 S/ T3 c+ O - 4 Y+ c: y1 N$ l; l7 X- K
- printf("Current parameters: \n");
) Q8 g6 g2 v# ~( D: p& f: s$ _9 z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& p( A. T9 g1 ]$ n) z5 N( f7 ` - printf(" STBID: %s\n", stbid);
4 N! Y! @3 G3 o9 X5 @ -
* A, c6 Q e* y* K* e9 F% l y - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ o9 `9 } A+ O) J1 A# |
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {* s% _2 k' b: g/ [( Z2 d" V
- printf("Input MAC error\n");
2 V9 |* C# R2 \ L - return 1;
5 `' G0 t/ u1 X W - }
1 I. M# d3 o7 t" u" }! z - for (i=0; i<6; i++)mac[i] = macs[i];
1 K6 C9 q. G, Q* s7 P2 A7 L - printf("\nPlease input new STBID: ");5 j% s# F. Z: {1 M2 _ X% ~
- scanf("%s", stbid);
. H B) M8 E1 |) e) u7 {9 ] - if (strlen(stbid) != 18) {/ o" i) {/ k$ r$ J3 e
- printf("Invalid stbid\n");( f7 D8 l. w b2 k; q) \$ _
- return 1;
4 U2 ?$ ~, K# @/ c( i. s9 h& | - }
: ~6 ?' ]% a- t# W - printf("\nNew parameters: \n");) b5 u' Q) C2 ]( v7 ~! @+ J
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 k1 E, c* I0 m& Z2 \: A
- printf(" STBID: %s\n", stbid);, p F9 V5 Q' y6 n7 ]1 [( p
& u. D5 x! l: u: Q" V6 e% `1 m; a0 V2 y6 \- printf("\nDo you want to change paramemters? (y/N) ");+ g8 h8 |6 j0 a" l, T
- for (;;) {2 Y2 N% O6 Y# {7 w$ ?& f
- c = getchar();; b$ C8 Y% X7 A8 a
- if (c == 'y' || c == 'Y')4 o! R7 e; g0 i
- break;& }2 d+ M: A$ E- \ W; t( O: u
- if (c == 'n' || c == 'N') {
7 E3 k8 \1 f# u) V6 D- w8 U - printf("\nAborted.\n");! R" c: l2 d3 f% { G
- return 1;: B* o% r7 \, ?* |( G$ }7 ?
- }
e J0 ]3 v* m4 \; O: i) o) S - }3 S- {% u. s% i$ {
- if (writeparam(mac, stbid) == 0)
1 U* d7 Y0 k* S$ i3 |" L$ { - printf("Parameters changed.\n");
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: C3 A0 P- u. d$ ~- return 0;9 m$ m. e6 q- [1 T
- }
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