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。3 V5 U1 }! v- G7 V1 c9 o* I' K
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, H9 C1 E4 P0 Y
- #include <malloc.h>, O# p. o: i N+ f- }' F. o
- #include <sys/types.h>
; s$ `" E) b' c: x4 u: B* a7 q - #include <sys/stat.h>* |% K! N$ W8 R: E) Y3 w; }5 b
- #include <sys/ioctl.h>, }* M( z" k# n9 A, R0 G
- #include <stdio.h>
* E6 n: e9 D' z9 z$ a( } - #include <string.h>
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- typedef struct {
+ v$ O4 i& E3 ~0 h' c - unsigned int e2prom_cmd_sub_addr;
: U% d6 n" p$ ?! S$ X - unsigned int sub_addr_count;
1 }1 u, v3 \4 V, n& i; M! z# ?$ t - unsigned char* e2prom_cmd_data;
8 ~9 m7 M6 U+ I - unsigned int data_count;
' t7 ^* B4 D3 g' k - } e2prom_s_cmd;4 o) Z. [9 }4 I( E
$ o, T+ t' O0 q5 g3 p9 r, ]; }) T- #define E2PROM_CMD_READ 14 P/ E3 f6 r* F7 e
- #define E2PROM_CMD_WRITE 2$ j1 f ?* p/ H2 n
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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7 U6 M6 @5 v0 ~: W$ |- static int readparam(unsigned char *mac, unsigned char *stbid)
4 Q1 w* q( s, J% g - {
. z$ F+ I) I( I( ?$ E$ h. a - int fd, ret;
5 O9 G; w' n8 ` `- ` - e2prom_s_cmd arg;
{$ k0 F+ K5 e! q+ @0 X0 F" C - unsigned char buf[0x18];9 o( b9 w& o9 d
- 8 ?( I9 @4 ^6 I
- fd = open(E2PROM_DEVICE, O_RDWR);6 [& R4 a+ d1 O
- if (fd < 0) {
( B9 i' }- @$ D2 O. ` - printf("Device %s open error.\n", E2PROM_DEVICE);4 L! W' E/ Z/ }
- return -1;
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- arg.sub_addr_count = 2;, N$ [+ y0 F) D
- arg.data_count = 0x18;' S- b. H# y8 x4 l
- arg.e2prom_cmd_sub_addr = 0x290;* S2 i; ?4 V+ o. q
- arg.e2prom_cmd_data = buf;
4 ]- H) a$ z8 f1 | - ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 a! A& t: t' C; ^( ~
- if (ret != 0) {2 S5 e6 Y3 @& N/ s3 l
- printf("Device %s read error.\n", E2PROM_DEVICE);+ ^/ U7 Y7 p ?1 E: F
- return -1;
/ J) a, T& O' x" A/ P' T, F0 r( R - }0 e: l: z0 K- [) D; N# Z7 a1 Q; J
- memcpy(mac, buf, 6);
u1 d( C8 h$ @ o# p# y - memcpy(stbid, &buf[6], 18);3 T+ [5 ~) X' C* I( e& _
- stbid[18] = '\0';6 T h8 I+ ^) _- d. Z6 N+ q! I
- 3 `. v- T0 F2 n4 A6 V, J7 c
- return 0; ?- [* U& @# _4 z7 q# S
- }
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6 r3 ~2 j9 g' ]; d" a7 S- static int writeparam(unsigned char *mac, unsigned char *stbid)9 @( w# D' [% C
- {2 u/ R9 ]) O; O1 h8 Z# h( K- {
- int fd, ret;
$ q; L0 }) w. F3 c7 j: t - e2prom_s_cmd arg;/ v/ a5 R# T+ U% v
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
9 @, Q3 [# Z6 h7 ~; L$ x0 t - memcpy(&buf[6], stbid, 18);
/ Z* `& V. R. M$ }0 a' s+ E - fd = open(E2PROM_DEVICE, O_RDWR);& j, h$ D; w. K
- if (fd < 0) {6 d0 k+ O0 Y% a* R. u
- printf("Device %s open error.\n", E2PROM_DEVICE);4 o4 i5 ?0 a9 q/ f. U& `2 o
- return -1;
: I* [0 X, @' n/ r2 {* n - }
6 n# V8 E6 x" d: M) A, D - arg.sub_addr_count = 2;
4 ^8 A/ r0 ^+ j- _, i& L - arg.data_count = 0x18;
! h* h+ K& f" ^ - arg.e2prom_cmd_sub_addr = 0x290;; A! j+ Q1 q7 h) ~7 I: F }6 s" i
- arg.e2prom_cmd_data = buf;
) R4 B& [/ V$ ~* [ v - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; _2 j) g2 H5 j$ P - if (ret != 0) {% X9 n; b t' Y
- printf("Device %s write error.\n", E2PROM_DEVICE);$ f8 ] h. U1 ^/ f/ {7 E V& E( M
- return -1;
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- return 0;
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- 0 G4 e" h) |4 p5 g! j
- int main()
* O* ?0 X1 o6 i% l* R9 p8 Q9 v9 n3 v - {
) J5 q* A1 y' d2 T$ u' ]( y9 o! n - char c;
: P* L6 T3 h- z* x% ?- `. } - int i, macs[6];
; X( U! P1 e/ w - unsigned char mac[6];2 D" E9 u$ O( M) f8 w1 B3 ]
- unsigned char stbid[256];: O: w0 F/ _- V( W8 r8 @
- $ c% V+ v) F$ G q9 m
- if (readparam(mac, stbid) < 0). \% c, z3 X* x- V, R, F& H
- return 1; [0 g, s9 J7 G$ ^
) N' _) I8 Q; o. H! c- printf("Current parameters: \n");! D# J8 C' t7 H" B9 J0 {. H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ ~7 o( `0 y& c H, i
- printf(" STBID: %s\n", stbid);
2 s. F! u3 [2 s$ v* A9 d# t -
6 Y$ M8 G: q9 W - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! Q" I, j, Q% n4 n
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 h" H$ F4 K# L! Y
- printf("Input MAC error\n");! F+ r$ e4 T8 d4 U4 j9 I
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
/ }: _# X. T- u! `2 ~ - printf("\nPlease input new STBID: ");
6 }1 w$ X' n ]% ^ - scanf("%s", stbid);4 B: L7 b: N; T! L; ]
- if (strlen(stbid) != 18) {# e- t5 c1 L9 V' T) P* F
- printf("Invalid stbid\n");
; s' @6 T1 z# I - return 1;; O b3 c" y6 Q* }3 s- S
- }; j( K2 ~3 e4 H- Y, m+ x* u
- printf("\nNew parameters: \n");2 g) B* O8 {9 }( [3 d# a7 P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" L4 v8 j7 E) a* I2 ^9 C - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
+ [+ e( j) ?; I+ F - for (;;) {* K5 G' K0 j) j
- c = getchar();
) ]$ c& F+ h; I' J - if (c == 'y' || c == 'Y')
2 k" p j# {) m - break;
; ?) h1 z& y6 T- E - if (c == 'n' || c == 'N') {
; ~8 E4 d, b. V - printf("\nAborted.\n");, e. X8 Y7 [3 E3 N0 S; Y
- return 1;$ d) [) a' {! a
- }/ C8 G4 z% W+ o3 ?
- }- p5 ~2 `" n F4 Z8 K
- if (writeparam(mac, stbid) == 0) ' G& f6 p \ d3 x8 i1 J
- printf("Parameters changed.\n");
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- return 0;
+ A; }" a! Q' E0 y( F' M8 {; I" u - }
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