本帖最后由 0522 于 2012-3-21 23:04 编辑
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! R4 B& ~( {' F, `修改的代码早有了。到今天不会编译。0 R% Q1 W7 ~- J; G& s
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ x" t+ M- z. w$ N/ M
- #include <malloc.h>
5 \2 u$ e9 l$ X# z - #include <sys/types.h>. g. W' x5 r' T; v* \# E
- #include <sys/stat.h>1 D% ?; k7 ]! n+ b
- #include <sys/ioctl.h>
; M' v4 Q5 a2 a - #include <stdio.h>( x" f1 P8 p m% T+ J
- #include <string.h>' e/ i4 ^6 k6 F* g% f$ G
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- typedef struct {
* A, ~: W% }7 b% [/ s& I; o - unsigned int e2prom_cmd_sub_addr;+ J5 A. J/ N( r+ L
- unsigned int sub_addr_count;6 ^( s& F6 ?/ H) w: {3 c$ t
- unsigned char* e2prom_cmd_data;
6 y1 x! F) }0 X. \$ k - unsigned int data_count;
' J& @# t* t# H1 z; t% i- {3 ^/ I - } e2prom_s_cmd;
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2 b0 e" N2 W+ l+ c- q- #define E2PROM_CMD_READ 1
* z; d3 b" z3 D, V0 f - #define E2PROM_CMD_WRITE 2
( v9 ?) ^! N, Y9 ]. e+ j3 g - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
" m: b. V. k0 {
3 G* o# a. v$ [1 Z. D: e; A- static int readparam(unsigned char *mac, unsigned char *stbid)5 y; t6 o! O! P6 K5 X, q/ m4 y$ H- C
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- int fd, ret;: t |4 P& \/ N V' E) L" w1 N
- e2prom_s_cmd arg;
* g; t3 L4 O& F - unsigned char buf[0x18];3 R6 N' M1 H5 Z. e
+ `/ [- Y' V! W- fd = open(E2PROM_DEVICE, O_RDWR);
/ [) _1 r$ _$ U# z( b, A8 T - if (fd < 0) {
' y I$ T5 v. f - printf("Device %s open error.\n", E2PROM_DEVICE);
% J z2 ~# y3 ^/ A0 H/ ?1 U/ \ - return -1;& r( {9 K0 q; W* x
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- arg.sub_addr_count = 2;' `# P4 t& I; U7 [, T$ r. o
- arg.data_count = 0x18;
* b) m9 U; ~! u - arg.e2prom_cmd_sub_addr = 0x290;8 j: Q/ K/ C2 B: G( M4 `
- arg.e2prom_cmd_data = buf;8 {* L9 j9 Y+ Z# ?
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);* O% y. E' J& a1 k2 h
- if (ret != 0) {
' n" P7 X; s# \; F" m - printf("Device %s read error.\n", E2PROM_DEVICE);
# @: ]" k& S* }- ?& k5 g - return -1;' x1 Q! Z5 {& V# r3 @2 `% u5 b9 w
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- memcpy(mac, buf, 6);$ i3 h; ^) v+ `# I' t) B- D/ U8 h
- memcpy(stbid, &buf[6], 18);
+ |$ t* N! R) Z! Z4 h' z5 n G - stbid[18] = '\0'; |. t9 b% ~ y/ r' G) f& R( l
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- return 0;7 N. F: v& P! F: v
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- ; \2 n+ T2 y$ C8 Z; q5 ?
- static int writeparam(unsigned char *mac, unsigned char *stbid). _' ?- P) f" D8 k8 O) L1 N$ ?
- {
6 A) G+ S- d0 x: | - int fd, ret;, v2 m& g7 \; e0 P( H9 a
- e2prom_s_cmd arg;
4 |9 M. Y3 Q, m - unsigned char buf[0x18];3 [/ F8 T2 X5 b% N J8 [
0 S H+ g1 J) j. o" w- memcpy(buf, mac, 6);
9 u1 V) f5 T6 n' q# l - memcpy(&buf[6], stbid, 18);
9 p h+ v j0 ^2 S - fd = open(E2PROM_DEVICE, O_RDWR);
5 `5 H4 @5 n0 \3 \) Z1 J3 ]+ k - if (fd < 0) {
; |3 }+ ^6 E6 {6 M4 x - printf("Device %s open error.\n", E2PROM_DEVICE); B" N, [+ F# s6 K. C8 E( k
- return -1;) y# K# b; l- i7 z
- }
8 ~8 `$ V/ r' o% N* f- v - arg.sub_addr_count = 2;
/ v+ O" u6 p) @* Z - arg.data_count = 0x18;
/ z3 y5 R5 ?8 x" F9 L6 v6 ~ - arg.e2prom_cmd_sub_addr = 0x290;
/ X- [7 ?0 a) u! y6 ]# N - arg.e2prom_cmd_data = buf;
/ ]9 F$ o% [. m" P8 Y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);; Q3 H( A H0 J0 p9 o* h
- if (ret != 0) {5 R: F* W2 Z5 ~+ }3 F8 p4 Z
- printf("Device %s write error.\n", E2PROM_DEVICE);, L; j4 o/ S# a7 ~( Y: ?! u
- return -1;
2 s' s7 ~0 g$ N0 }" O - }
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8 c) J! f% V ]! A- return 0;# G5 K/ v* ?' Y7 P0 I* K3 x2 {
- }
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- int main()
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- char c;% j) j7 U2 V. q" i- K. T: m5 `. D8 u9 L x
- int i, macs[6];& v' c. _ D" T% j3 u. `
- unsigned char mac[6];
~ j' u2 C; }0 h7 E - unsigned char stbid[256];' \0 ~% V- }$ P: g7 y9 G
+ o" l) |1 s/ R! G- if (readparam(mac, stbid) < 0)
- `# g4 P" I8 b. z1 w7 s - return 1;
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- printf("Current parameters: \n");$ v6 B3 b( ^! X: ?7 z1 z% B y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 q5 k4 A# v! ~6 Y* Q0 R' b# I5 y" n. A - printf(" STBID: %s\n", stbid);
5 s: \ B' k7 v4 n) R* G. d2 h -
7 B' c5 m* @: \# J( B9 V4 ^& F - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( M& U3 D$ t1 { - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
# \ ]7 _7 j. J9 h9 f1 ] - printf("Input MAC error\n");
4 u7 k H6 B/ u# z - return 1;, ]6 P7 i/ S" i6 ]
- }
# |6 G: g( i4 j1 K( }/ s - for (i=0; i<6; i++)mac[i] = macs[i];
; `# T: P+ S% K' x' j" {& Q7 j - printf("\nPlease input new STBID: ");
1 Z# y$ L! c9 K Y1 e4 C6 k1 Q - scanf("%s", stbid);
' B+ E/ |0 v% E3 f( B- r - if (strlen(stbid) != 18) {
. V" C6 M6 |8 M - printf("Invalid stbid\n");
( u5 U* y0 }* ~0 I9 ?% ? - return 1;
$ w8 S# j p2 d. M) o; ^; s - }
6 S( q( D% w p" n. m% p - printf("\nNew parameters: \n");
* H. W! L( V4 [$ M1 t5 S% Q3 | - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# w5 B* e9 ^( C: N! s - printf(" STBID: %s\n", stbid);
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- L- j1 F( q! f. u0 e- printf("\nDo you want to change paramemters? (y/N) ");: W# E6 e9 j' A7 J0 H( @
- for (;;) {2 M* ?( n" L, f; Q
- c = getchar();
* z$ ~$ ~/ x# L - if (c == 'y' || c == 'Y')
3 A, N: Y2 R" B# C0 s4 [ - break;
: Q6 ^& t- R! L2 h - if (c == 'n' || c == 'N') {# l0 Z' Q! Y8 _" \
- printf("\nAborted.\n");
# m* v# ?; X, Q - return 1;
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- }
' {3 F/ e3 W3 F% z& k5 {' J - if (writeparam(mac, stbid) == 0) : }9 [, q( ^+ u- T" J. l4 |$ M
- printf("Parameters changed.\n");/ H3 |( ~( {1 {& i5 |! e
" ~1 X# j- D7 M% F/ K/ y" p, j- return 0;
2 u; n0 M5 v% B/ m A/ n \ - }
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