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。
k" b$ J6 u8 F4 Y需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>! h8 q; h( ]$ I l% x% w5 s
- #include <malloc.h>) x: D% F) Z" d) z d" m
- #include <sys/types.h>" R8 E5 t4 j6 P
- #include <sys/stat.h>0 k0 }$ h) _2 a- t6 s/ w' i
- #include <sys/ioctl.h>
3 h Q( i3 J S" W - #include <stdio.h>4 P) r, R3 {7 ?+ B. [
- #include <string.h>
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1 n8 C U" e- ? |! h8 Q1 y- typedef struct {6 f2 l# O, z/ a0 c) c
- unsigned int e2prom_cmd_sub_addr;
6 H2 y: R, g6 v3 s - unsigned int sub_addr_count;# s0 V% H. w8 C8 w1 s
- unsigned char* e2prom_cmd_data;0 ?/ e' d1 D4 U4 ^* s# ?
- unsigned int data_count;' Z" c: U1 j0 l- o; _
- } e2prom_s_cmd;, A2 M/ N8 W0 t
- 4 b+ ]" D4 I% e& y4 R+ L
- #define E2PROM_CMD_READ 1# `4 I) a$ h; o/ I. r
- #define E2PROM_CMD_WRITE 2
( X' h+ X" Y9 S; V3 _' z - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
3 S6 B3 p# o/ r8 K0 w# e - 3 i2 @% b2 L3 a: P& s* \) O
- static int readparam(unsigned char *mac, unsigned char *stbid)
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/ I7 g* V4 a& L - int fd, ret;9 q5 c3 z. o# G
- e2prom_s_cmd arg;
3 k" c2 j9 j4 A: _, m2 P - unsigned char buf[0x18];
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; r: h7 L; ~/ M* H/ I/ M4 o! p5 b- fd = open(E2PROM_DEVICE, O_RDWR);% Z7 v0 T4 t6 J+ P
- if (fd < 0) {
' t3 ?) ~4 z1 | - printf("Device %s open error.\n", E2PROM_DEVICE);/ v/ z w' u9 E5 @6 ~# {
- return -1;+ R4 q8 ^' U0 w- Y
- }: Z5 J1 y, v3 w" N, x/ J/ ?; H. z9 M8 c6 |
- arg.sub_addr_count = 2;3 t& Q/ m$ z/ C" l) N
- arg.data_count = 0x18;
- [! w) d P2 D" B- S5 E, i7 _ - arg.e2prom_cmd_sub_addr = 0x290;
+ H j0 O: c9 D9 b8 x/ Q - arg.e2prom_cmd_data = buf;$ ?* x8 A K( u) O w1 N( r J
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, \- p9 s8 Z) _& {$ a! k - if (ret != 0) {
P4 y; Y# O' L/ M9 T2 E9 c3 r - printf("Device %s read error.\n", E2PROM_DEVICE);
( K6 l/ N2 U/ q7 k# {& v - return -1;- O3 W9 q# ]/ e2 `/ W, \
- }
, e- S/ ?9 Z( o' U; k - memcpy(mac, buf, 6);' b; D w' b- C0 s8 ~6 ?
- memcpy(stbid, &buf[6], 18);3 i2 `1 l% {: X+ D6 i5 F
- stbid[18] = '\0';3 R4 [' ^' F! \# g4 _
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- return 0;3 m2 a3 \' u, {, Y) s$ j
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
- {' z" [8 O0 O7 _) u6 i4 q0 e; @4 o - e2prom_s_cmd arg;
+ n2 Y! I/ E, n3 O. f1 p5 s5 @2 M/ |6 ^ - unsigned char buf[0x18];
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, {9 \2 _6 n# B1 s( o- memcpy(buf, mac, 6);
" _# g; g( r% v' S3 ? - memcpy(&buf[6], stbid, 18);
; \ x# T& s% A* y# V) w - fd = open(E2PROM_DEVICE, O_RDWR);6 e; H( C" n0 G( B4 i' G
- if (fd < 0) {
- P, {% y7 G3 }2 C! E. f, I! m - printf("Device %s open error.\n", E2PROM_DEVICE);! U& O- q1 _9 f3 e6 n) P
- return -1;7 o' j4 m, s- o! B
- }& ?/ f+ T/ o9 z t* L
- arg.sub_addr_count = 2;7 D* ~, K" D$ H) E
- arg.data_count = 0x18;
) {, k/ D* n1 l" ?7 p8 U) I3 f - arg.e2prom_cmd_sub_addr = 0x290;! _# R0 T1 b; W% D2 u# l
- arg.e2prom_cmd_data = buf;7 c" _/ B, ]2 L# t! x8 d' K
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 ]: K2 G0 c6 C" E0 k. M - if (ret != 0) {
3 a3 B7 Q" @2 G$ D5 s - printf("Device %s write error.\n", E2PROM_DEVICE);
) S2 o& N2 h1 y5 ` k" v - return -1;
7 K% d+ V* P; s - }
- v# f) ^- s! D) _' i - . D) N- A. {5 T5 V) z; L$ s
- return 0;
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- int main()
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' M4 B* H8 m% a) } - char c;' Z# v" Q: y% i1 X2 m; x4 r
- int i, macs[6];+ {2 k; L; e v+ b, S' e ^
- unsigned char mac[6];
6 O L# o0 W. w7 \4 V, | - unsigned char stbid[256];" I7 ?1 C4 l( V1 b" P+ `
- : f6 d% t1 z+ a. |
- if (readparam(mac, stbid) < 0)" s. e, P, I7 \+ B( H) E0 G: I
- return 1;
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. |: z- V0 l% e, T, R$ U: E- printf("Current parameters: \n");' y3 [/ [ r( H" u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 @6 ?/ ~: |/ Z" T! l
- printf(" STBID: %s\n", stbid);7 u9 i/ e" Q; S/ _( W& P/ s) j+ {3 Z
-
0 c& Z5 }6 f. J* m - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");' M8 A1 L0 t4 _# y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ `: e# G, n; e9 ?* ]1 P
- printf("Input MAC error\n");7 L2 Q" G, U7 [) x+ H
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];4 a' f# K/ G% D9 }3 }# |
- printf("\nPlease input new STBID: ");& Y, g2 T/ \& w6 y4 I3 Y8 D- ?
- scanf("%s", stbid);7 j! \' n6 y5 D. U5 p
- if (strlen(stbid) != 18) {
# Q9 v& ~5 ~6 G# ?$ |* M1 [ - printf("Invalid stbid\n");
: F) }% K+ h v1 ^5 n% |3 C. k$ V - return 1;
$ s' [; P8 Z) P6 k7 a - }
: ]4 p2 [. s) [/ l# k( o; ` - printf("\nNew parameters: \n");: w4 b2 J9 u3 C/ O2 a+ A/ p. `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ e: l2 f/ }5 u. B. ? - printf(" STBID: %s\n", stbid);$ a4 k6 j! L, S* W1 z1 q& {( o
- . L: y# {+ R( k$ I
- printf("\nDo you want to change paramemters? (y/N) ");
, Y8 _* r* A, @/ i) M. h- W& z9 V - for (;;) {
- J' Y4 ^6 E+ A - c = getchar();
+ \8 \! \/ f0 L% O6 X7 B - if (c == 'y' || c == 'Y')
( L2 Z: w4 c% V3 _$ j: e - break;9 v; f S* j: Z7 u
- if (c == 'n' || c == 'N') {
. ?& g# r1 G9 S) U* `2 Q$ z2 m0 ^/ U& N; v - printf("\nAborted.\n");
( J% h9 n& d4 H+ a& X - return 1;
/ N9 `/ R5 Z* Z0 n - }
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- if (writeparam(mac, stbid) == 0) # ^, q) R% D- W9 L% K
- printf("Parameters changed.\n");
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/ z) [2 C2 M4 M1 h) n- return 0;" u! ~+ ?* P, C& E5 t( `
- }
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