本帖最后由 0522 于 2012-3-21 23:04 编辑 ; E# j9 w A" `$ s2 |. f
" A- h6 S( Y3 O5 `# X修改的代码早有了。到今天不会编译。% ~/ I7 q6 q- _) i7 @+ r
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' }& G" f4 ^" M) |! }" `
- #include <malloc.h>" j2 {8 ]) F9 l" Z* i3 C. ~
- #include <sys/types.h>; F- [. {* U u$ z' ^/ V
- #include <sys/stat.h>! s# B4 l% p1 i% i9 ?7 p# T
- #include <sys/ioctl.h>
( q1 S1 i8 o e9 Q. h: K# u, K9 i - #include <stdio.h>& x: A. U; W) b' z; E1 d0 `
- #include <string.h>
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- typedef struct {
8 B/ K, B1 g4 ]5 p( G- Q - unsigned int e2prom_cmd_sub_addr;
) E; E/ E% x! U u/ s - unsigned int sub_addr_count;7 ]3 b( Q- v/ k8 \
- unsigned char* e2prom_cmd_data;5 ^5 X- Q Q% x9 u6 W! K. _3 a5 a' x
- unsigned int data_count;9 ^6 G4 A+ Z+ }" Z8 Z8 O
- } e2prom_s_cmd;, Y% N8 M" S2 U3 r1 ~2 R6 L1 B
* X# i; z; Y; i- T% x6 I7 `7 P- #define E2PROM_CMD_READ 1
5 ~8 G8 s% F- c2 {, _2 E: D" T - #define E2PROM_CMD_WRITE 2
- D- p: }# b: U. ^: E7 _ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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, G$ E" v6 { C! M- static int readparam(unsigned char *mac, unsigned char *stbid)7 O8 @2 C5 y" Q+ a6 [
- {
; s4 R& e0 \7 f. u d% \8 n: t - int fd, ret;
5 A6 A6 l3 |: x# Z. v \ - e2prom_s_cmd arg;0 ^7 }. G1 w7 C! u- q
- unsigned char buf[0x18];6 |" N/ q( B% D( `
- 4 `# D* r5 A: Q4 L4 I
- fd = open(E2PROM_DEVICE, O_RDWR);, q/ T5 D' f3 I$ c! p# I
- if (fd < 0) {
# E$ e; l9 j, A5 }, A8 x - printf("Device %s open error.\n", E2PROM_DEVICE);4 V4 H8 R1 `3 J
- return -1;
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% U, y/ Q1 D6 p; ~: R - arg.sub_addr_count = 2;% { J# o" e4 L4 Q
- arg.data_count = 0x18;# A Q. m4 X$ {+ y$ {! S( B# {3 K: r' G
- arg.e2prom_cmd_sub_addr = 0x290;7 n( W% _* A2 N/ X3 g# R
- arg.e2prom_cmd_data = buf;
1 G' d- `) A+ `, ~ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 j" j2 k5 z0 Q% Z. p - if (ret != 0) {
; t) }# T5 f5 ]0 c. n - printf("Device %s read error.\n", E2PROM_DEVICE);
: X2 A: S8 O9 Y2 w - return -1;& y& \ Z0 P( P1 Q4 `7 q
- }
& v8 W/ V' C+ G Z$ O6 s5 D - memcpy(mac, buf, 6);" ^5 }7 e( H" b; ] N
- memcpy(stbid, &buf[6], 18);
; \. L# A6 J3 p0 ~; S2 { - stbid[18] = '\0';% J, K0 h) h! p& l
8 f, f/ d1 W2 I. Z( L- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid), F0 k. ~" m# D, d: o* b
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- int fd, ret;# G/ Y* o' |& A/ R+ ]3 h% E
- e2prom_s_cmd arg;2 `+ I# d+ b5 ?& {0 @ }
- unsigned char buf[0x18];; \, k0 R2 S5 k" o4 Z2 D
: S# O7 u$ H/ R Q4 [) v- memcpy(buf, mac, 6);
& V2 M1 F, q5 W2 G: {3 c' X5 j - memcpy(&buf[6], stbid, 18);. b) Q, ?) F, G; {
- fd = open(E2PROM_DEVICE, O_RDWR);
; m: S( Z/ H% o) a5 g4 Z9 w, z# W - if (fd < 0) {
& O4 k$ t" s: w. ]# U - printf("Device %s open error.\n", E2PROM_DEVICE);
7 ?3 Z3 I# n* M4 a1 q - return -1;' J* w( q* ]& x
- }6 u: `7 E m2 R5 r
- arg.sub_addr_count = 2;
6 k% @* Z Q/ x - arg.data_count = 0x18;2 e- V" X* F# \. D3 S2 W1 T+ Z
- arg.e2prom_cmd_sub_addr = 0x290;# W( S u- U4 e9 x0 f- p
- arg.e2prom_cmd_data = buf;4 e& X; g( ]3 i9 L' s8 X2 P. o
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
& n0 {# E7 a% a& B$ h - if (ret != 0) {5 [# c5 J/ f3 Y. P, ~( w7 Q
- printf("Device %s write error.\n", E2PROM_DEVICE);$ s# a& `, `1 E1 q$ B7 |- Q
- return -1;) H: n* u- H% e6 k, v% d
- }
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- return 0;+ d( {- Q E9 X5 W1 a
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- int main()& C7 N4 p6 p$ v0 ?/ `4 d
- {0 Z9 S' B1 f( b6 n9 O; k
- char c;& h" q) I& l- K
- int i, macs[6];
; \) w( P$ ^, E, U# U! M - unsigned char mac[6];
# D0 w0 l" v1 ~8 p( o - unsigned char stbid[256];
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( ~& Y! ?+ k3 E0 I5 y- if (readparam(mac, stbid) < 0)
+ }) n' s9 Y; J, W& d) F$ L+ c - return 1;
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# Y% z% m+ e$ }$ x8 z- printf("Current parameters: \n");
1 V8 V5 `# H: I# @. ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% D2 M. y, E6 W8 k' K' a- ^ - printf(" STBID: %s\n", stbid);& w* \5 _3 Z) Y
-
5 B0 s% R2 z- f W+ v9 x - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");* M, [1 i5 H1 A0 ?
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: ]. L; l. ^. g - printf("Input MAC error\n");
$ L% |& U( W5 H( f - return 1;
$ F, ~. H: K% k; J- Y" B - }
0 j2 ^# {$ H& n4 O( S0 d" O - for (i=0; i<6; i++)mac[i] = macs[i];
7 y1 E) o1 R( q4 E8 f; } - printf("\nPlease input new STBID: ");
; s! Q: t. m4 Z7 _ - scanf("%s", stbid);( |8 U9 q$ c1 i5 W3 y& c+ F
- if (strlen(stbid) != 18) {
% g- M8 I9 w3 a. T6 S! l - printf("Invalid stbid\n");
+ z1 k+ b ^! }5 y - return 1;
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- printf("\nNew parameters: \n");
4 ~9 [& V! l' A - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
D% i: k% s. M6 D6 ? - printf(" STBID: %s\n", stbid);
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( q$ v& n- c/ j) r f- printf("\nDo you want to change paramemters? (y/N) ");
& W5 J8 w5 l* k6 b - for (;;) {
4 J! t6 z" m) w - c = getchar();
1 k4 z1 t2 o( `/ v0 `' Y - if (c == 'y' || c == 'Y')
+ p1 Z: X- [) x* l1 j& I - break;4 z! f3 A# D# m- a5 s6 K) x
- if (c == 'n' || c == 'N') {
. f) ]! _2 [4 `7 [$ j$ E# Q - printf("\nAborted.\n");: A% X6 T1 o9 y8 N9 T& N) q) ~5 B
- return 1;
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- if (writeparam(mac, stbid) == 0) $ f6 G$ a* [8 l0 C/ r, L2 N: E
- printf("Parameters changed.\n");
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- return 0;
4 d \- y( c7 R1 E - }
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