本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。% y$ N4 S# x* K5 a p* }
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>$ r7 g9 u! Q, S I
- #include <malloc.h>
5 U. k( E$ x4 `4 I% _9 Y - #include <sys/types.h>; [9 }' n( W( J9 Z
- #include <sys/stat.h>5 B% L! c, ~* H# U- }- b
- #include <sys/ioctl.h>' x' s) V) R- s$ `
- #include <stdio.h>
( o' v1 e* {7 j$ A - #include <string.h>
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4 G: X2 U" s# G Y p/ a- typedef struct {% U# B7 t/ ^# R" A8 p
- unsigned int e2prom_cmd_sub_addr;
+ C* }: X8 s! B - unsigned int sub_addr_count;+ G8 F" D+ ~6 O
- unsigned char* e2prom_cmd_data;' |4 E# I; y4 j3 s
- unsigned int data_count;* i- D+ L; I# B" Y' I1 x7 ^+ D
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 17 J2 U, {( c' C6 u; d
- #define E2PROM_CMD_WRITE 2
! a9 ^' r3 s3 w- |) ? - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"$ z" e2 q2 K4 _4 [" Q# W
_5 c; ]5 P6 V5 W |- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;+ P& E7 M1 j# J9 M2 `# U% b
- e2prom_s_cmd arg;
x6 R1 B* G" e0 R1 U" x1 }0 O/ R - unsigned char buf[0x18];! W. r8 c* I! X- J& ]( k. r# U
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- fd = open(E2PROM_DEVICE, O_RDWR);
4 r3 p6 N3 L0 | - if (fd < 0) {/ W5 g8 q! z6 O2 z" G
- printf("Device %s open error.\n", E2PROM_DEVICE);
6 ]% N9 I2 @- b( a' P - return -1;# H& g M* u# V) Y# @5 V
- }
1 q) |: g" k: f - arg.sub_addr_count = 2;
; L @- V0 E' D" \5 `0 {# z - arg.data_count = 0x18;& H! n8 m( _7 R+ W8 E
- arg.e2prom_cmd_sub_addr = 0x290;. r# Z* L/ z( E6 L7 a
- arg.e2prom_cmd_data = buf;
' [! _; J+ p3 W* o - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
& t2 Y5 u) i& w* s! p - if (ret != 0) {
" f# r- d& z1 O; A2 T$ a+ _ - printf("Device %s read error.\n", E2PROM_DEVICE);+ O! e2 e3 L$ X2 a1 N+ H4 H) W
- return -1;
h3 o0 J" P8 z4 g - }
" {* \3 F$ q" o$ j/ `* J6 I4 ]7 h - memcpy(mac, buf, 6);
% `$ S+ T* J1 y6 _5 N3 |/ R - memcpy(stbid, &buf[6], 18);
/ o, V1 y& F5 P/ |* R1 c. B - stbid[18] = '\0';
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- return 0;
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* D6 [0 g, y; g, a4 P8 n: x& b0 {- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
3 n/ J, p7 u5 s* v - e2prom_s_cmd arg;# [2 x3 m1 e3 }! B! r4 f* v! E
- unsigned char buf[0x18];' F* g S$ E7 `; m9 I
; Q% U/ D6 |$ C3 R( Y; }/ s D- memcpy(buf, mac, 6);
9 O8 Q7 T& X7 A: @% Z' m5 q - memcpy(&buf[6], stbid, 18);
6 Q% @. c3 ?& l3 k/ E( Z1 t - fd = open(E2PROM_DEVICE, O_RDWR);2 ]1 c# ]7 u8 P! Z
- if (fd < 0) {
! x; ^7 A! f% [( G8 v - printf("Device %s open error.\n", E2PROM_DEVICE);
2 o0 o, t/ t# m& C; y7 K: b8 u% j - return -1;1 w; d; i& E+ K7 q z2 C0 }6 i- {
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- arg.sub_addr_count = 2;& R, f5 Z" e5 p `* K) P
- arg.data_count = 0x18;" J) C! c' T9 u) i
- arg.e2prom_cmd_sub_addr = 0x290;+ a$ ]& x7 A: R: m" r
- arg.e2prom_cmd_data = buf;
+ Q+ K8 B$ f' W: { - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; L# s* I5 t7 G* T& S5 y - if (ret != 0) {
+ n, `+ @2 ]$ g! w& z4 D o$ g - printf("Device %s write error.\n", E2PROM_DEVICE);3 k$ G9 h& U$ y
- return -1;0 ? e0 k. E# }. }! x j0 f) \
- }
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( t, c n! p4 r% U- return 0;+ b6 W/ `/ B2 t" {
- }- r# E" \; \, |
3 g( U8 `: e: d ]- int main() M4 D3 L# `3 f* O( F
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- char c;: t8 X6 ~3 _/ i0 t6 n% Y" l
- int i, macs[6];
2 X: F; F* A7 M3 L& M, { - unsigned char mac[6];
7 n3 g$ }7 B( f( k' Y: o - unsigned char stbid[256];4 S7 x6 U: G1 z5 f2 Y4 @) D
9 b8 r% r! z9 }4 ^- R; E- if (readparam(mac, stbid) < 0)
3 _$ _# ?% C2 N- B/ d. w n - return 1;
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- printf("Current parameters: \n");4 V, }, z& Q+ X. M$ A
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 w' h( J! Z$ |3 Z - printf(" STBID: %s\n", stbid);- `& O7 m& Z I
- & _$ O7 Y. s) `8 @, e
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
7 f; |9 F5 k; r. T1 ], c - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. }0 B# L- @2 O$ k/ I i9 g. B: K
- printf("Input MAC error\n");
- ^, \7 z, @8 c0 ~! | - return 1;
: x4 g& }2 t; G i8 C - }
: t4 U0 E6 s5 C& ? - for (i=0; i<6; i++)mac[i] = macs[i];! z5 Z- A, b' P6 y# {
- printf("\nPlease input new STBID: ");
' `1 @5 D) ]! V, z - scanf("%s", stbid);
4 S2 }9 j, {; Y1 O - if (strlen(stbid) != 18) {: y- [# q" x1 l8 _( G& Y
- printf("Invalid stbid\n");
# K$ N6 c/ [4 k# P: q6 _ - return 1;
& _7 O4 v! |) G* s4 x" X8 J p - }
) s# x- n' d4 \; B - printf("\nNew parameters: \n");( f( [3 X- b( E! J: V, g6 B
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 _) d3 I3 a" y
- printf(" STBID: %s\n", stbid);/ _ \2 }+ N/ Z& O' d
- : W0 F! X7 d, t, n& U0 a0 |4 _/ U
- printf("\nDo you want to change paramemters? (y/N) ");/ U1 t1 ?( i4 n3 q' J
- for (;;) {/ ^* i5 x1 R7 \5 J, t. a' x/ g) s$ I C+ e
- c = getchar();
, _ t- Q: e* F7 v. E: Q - if (c == 'y' || c == 'Y')
7 d5 n/ \4 i. G3 F2 J, o - break;, T. |9 M7 n& i+ R# V* K, M$ D
- if (c == 'n' || c == 'N') {
4 @8 e# X; y" e7 [ - printf("\nAborted.\n");
9 @" I- ~$ c I4 H3 Q - return 1;5 ?$ K1 J4 s: _* R, F0 R( {6 l
- }
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- if (writeparam(mac, stbid) == 0)
" m( {- k- l' B ^% k, O2 Q; r - printf("Parameters changed.\n");! C0 t# r$ z: o) u3 X
- " X" b# U1 `1 B/ L* n }
- return 0;
7 y7 l6 y3 I0 e - }
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