本帖最后由 0522 于 2012-3-21 23:04 编辑
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?/ `4 {5 Y! @: R& z9 s9 |2 c3 W \: A修改的代码早有了。到今天不会编译。; ~/ \3 _% U( g/ b \
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 x" E* ~$ H3 p% Z2 m9 {6 M- J
- #include <malloc.h>
! W4 q& D% \1 {/ k4 n - #include <sys/types.h>
c! g% l+ h; L- j9 ? - #include <sys/stat.h>
- Y3 j& m }2 V1 a( ~! \ - #include <sys/ioctl.h>
( A5 o* |' z( n - #include <stdio.h>" l$ c/ a2 {' Y7 L8 v! S5 `
- #include <string.h>
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- typedef struct {
# h2 }! f, O9 r- V; M, H - unsigned int e2prom_cmd_sub_addr;! D+ h& \- Y# }& Q
- unsigned int sub_addr_count;! w1 w! x( ]+ A5 ^2 m5 V. U
- unsigned char* e2prom_cmd_data;" P7 P! h; b5 F( ?5 V. e, X r% T
- unsigned int data_count;
$ j# k5 Z/ V' b5 |/ b, F - } e2prom_s_cmd;
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9 `/ s! n/ r! R0 M- #define E2PROM_CMD_READ 1
# [2 I; a9 c: z9 q' B- G' ` - #define E2PROM_CMD_WRITE 23 [' o* W% e7 Q0 @8 |
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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J/ c( O/ D, N' h7 u- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
+ |3 b) Q3 t& q1 e; Z) A - e2prom_s_cmd arg;
; t* \+ j4 ^; I6 Z4 U/ Y' O5 { - unsigned char buf[0x18];( h: s C$ E& @+ J; j! M7 B9 y
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- fd = open(E2PROM_DEVICE, O_RDWR);
& ?* _1 ^5 ]) |; [$ m - if (fd < 0) {7 c, O5 `4 l$ N3 p/ q% D. C# G
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 D d* I- V; C" n2 l- f/ O- U - return -1;
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- arg.sub_addr_count = 2;
2 L! l+ J3 l4 T5 [ - arg.data_count = 0x18;
" b+ j( b3 F, f& E1 [ - arg.e2prom_cmd_sub_addr = 0x290;/ A+ A; ]1 r# \8 H; T* R/ j2 O n3 j
- arg.e2prom_cmd_data = buf;
3 s, ^+ a+ g# j - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ v" o. j: @$ w7 K4 d6 S) u - if (ret != 0) {' S/ G3 i! p7 B Z
- printf("Device %s read error.\n", E2PROM_DEVICE);6 C' j/ Z( I0 l$ L7 m( j
- return -1;- }/ _1 k' I+ `4 ~
- }! ~# X3 c: K7 e. U' ?# [: I
- memcpy(mac, buf, 6);
/ F. R& z; ^! ^9 j+ m2 i - memcpy(stbid, &buf[6], 18);+ Q ]0 t c5 }6 F9 L
- stbid[18] = '\0';# e" I/ T7 o& z1 f: x" S' K8 Y
; q+ t) d/ C9 W% r- return 0;
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- ) c+ \- N% i( y. ]
- static int writeparam(unsigned char *mac, unsigned char *stbid)
1 k* z$ p0 ?& p0 V6 F - {
5 i s5 G5 N$ s0 B8 B5 b. T& m - int fd, ret;: G& l1 F3 T+ j# S. Z2 N; q
- e2prom_s_cmd arg;8 {0 |# z: p1 u2 i/ u
- unsigned char buf[0x18];2 Z8 Y. B1 r- x! @3 p8 L
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- memcpy(buf, mac, 6);
7 Y5 o- o. O' h - memcpy(&buf[6], stbid, 18);
5 P! {! W* B, y1 c. L - fd = open(E2PROM_DEVICE, O_RDWR);: T9 w: |& T" E1 ?: \' t8 ^1 K4 |* ?
- if (fd < 0) {
, R# j0 B# c6 Q7 D# e! w* C8 ~. E - printf("Device %s open error.\n", E2PROM_DEVICE);8 L' s z, _5 k& A# ], Y
- return -1;0 |4 G6 Q% n8 ]+ Y: P
- }
1 P2 c p6 [5 y+ a2 h - arg.sub_addr_count = 2;" `8 E" \4 U3 L9 _1 w0 U7 j, K
- arg.data_count = 0x18;
; e2 Q: c7 S& ~9 f - arg.e2prom_cmd_sub_addr = 0x290;
0 i. D1 ]3 J9 ]8 n$ _% v, v - arg.e2prom_cmd_data = buf;, G/ r0 ]0 R# i" c6 s4 ?2 j% W, r
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 A6 I2 y9 Q3 F' m, i7 U2 T
- if (ret != 0) {# u4 t- Q% |1 o$ M7 n$ u$ D1 _: [, y
- printf("Device %s write error.\n", E2PROM_DEVICE);
# h: p* @! y/ W$ j3 a5 R - return -1;- y' I7 A1 C8 D
- }
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9 }- x3 `2 \- N/ w7 D- return 0;
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' u ]7 A1 J; ^; O. W- int main()9 V- s! d) B1 Q+ s# L% E! R
- {
6 x2 O% P9 j8 I* N8 \ - char c;; c+ ^# Q- O% I# J5 {4 W+ l5 \2 `
- int i, macs[6];
# g. w# w0 R% n% K6 k - unsigned char mac[6];/ b2 o+ k1 I. ?2 D
- unsigned char stbid[256];
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* @% P& s0 {4 k4 p- if (readparam(mac, stbid) < 0)
% m9 R3 i/ ^0 s - return 1;
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" W; M) e3 @& u: {1 B. z- printf("Current parameters: \n");
' T ]7 E, D9 \6 V% @! T. p Y3 Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( ~3 x8 s, I# n2 f) v8 U - printf(" STBID: %s\n", stbid);7 [6 L8 [: _ X% y V- m5 [
-
1 i& D' r/ ?8 d' {) G3 D - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");3 h- ~% \ z4 Z p
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% m4 P' a/ @. @: E
- printf("Input MAC error\n");
, }8 \5 u: a9 G9 c4 N - return 1;: L3 ~) H4 {+ x4 L
- }
6 I5 t+ y. I# p) o& E) P& B, {5 K - for (i=0; i<6; i++)mac[i] = macs[i];
# y- Z5 V3 Q1 ]6 B" } - printf("\nPlease input new STBID: ");
" D/ }9 S- T+ N" Y" H( _ - scanf("%s", stbid);
7 A* `2 @, `$ p& g0 M - if (strlen(stbid) != 18) {
: v4 [- [5 @8 I2 s - printf("Invalid stbid\n");
; N6 P+ [" w" L; W6 F6 H5 J- P - return 1;. K& f3 Q" J; v. L5 y
- }
: z2 z; w; ?* o3 B7 X& P - printf("\nNew parameters: \n");( l( d# b: ]; n" P8 J8 A
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! Z, x" F% H% J# u8 U# \! P - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");/ [" P1 c2 D& J, \& X1 S& v
- for (;;) {1 `& e% u9 G7 I2 [
- c = getchar();+ D9 e" v4 \4 K
- if (c == 'y' || c == 'Y'): i" l# a# ^9 H; K
- break;# s6 g! d5 W+ e [* X8 B" z
- if (c == 'n' || c == 'N') {
4 [; T& K1 v4 L, w% m6 F+ m - printf("\nAborted.\n");
: G! y$ J( r+ b$ a6 F - return 1;
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- }
6 ]! S, a: g; G" N0 C4 K' \ - if (writeparam(mac, stbid) == 0)
C1 I- i. f1 r: A3 ] - printf("Parameters changed.\n");, a+ |' [. t5 s: l6 O' Z
; ?% g$ U# r; }" b- return 0;
1 c4 i q- o; B# O% n( O$ n - }
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