本帖最后由 0522 于 2012-3-21 23:04 编辑 5 u/ J9 X3 H& N, }
) {3 Y5 i: R1 M5 k" b0 k修改的代码早有了。到今天不会编译。& u) y4 g+ R: x
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 K- L; x& T; m; n4 M/ I% W
- #include <malloc.h>
% H3 o2 y h( o" \: |* _ - #include <sys/types.h>
1 V+ {1 f; N2 l$ u' D) c - #include <sys/stat.h>2 S/ M' l# o) m4 D7 z
- #include <sys/ioctl.h>- |+ D, p w- o0 N
- #include <stdio.h>
0 L$ t1 K+ `( f - #include <string.h>
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! H. r6 |! z: C1 W# A* v- |! c- typedef struct {; S5 q7 T I" W) f/ t7 \9 R3 i3 q
- unsigned int e2prom_cmd_sub_addr;8 ~& Q* _- h, A$ T9 X) q! Q
- unsigned int sub_addr_count;
0 l/ ?$ W) {; U H R, s3 U - unsigned char* e2prom_cmd_data;
! b6 g4 O6 y$ m# N$ z- a8 g* z' c - unsigned int data_count;- m& s' J( s- m0 h7 G" p
- } e2prom_s_cmd;
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0 [5 o0 o l1 `5 h- z( W1 s- #define E2PROM_CMD_READ 1
3 ?2 \8 C0 G1 g9 m - #define E2PROM_CMD_WRITE 2
/ H, `, `& c, Z - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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" @% E9 q; l/ u2 x+ m3 r; D( D- static int readparam(unsigned char *mac, unsigned char *stbid)
% h) |" `+ R% D2 M0 `2 z - {
/ x# w1 }, @8 K1 ~ - int fd, ret;
, ]4 ?7 F1 G7 Z - e2prom_s_cmd arg;
! F& b! u' q8 W4 O9 r" ]- R - unsigned char buf[0x18];! Z$ S- y: i1 X$ K, G* E
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- fd = open(E2PROM_DEVICE, O_RDWR);
F7 L6 S ~+ R' U& { Y - if (fd < 0) {
3 \( `8 ^) A; v& p; y" @5 Z- e6 B/ n8 L - printf("Device %s open error.\n", E2PROM_DEVICE);
) k$ b2 w& x: c3 u1 H( L - return -1;
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: Q. b, j$ D9 }' N, {( `: w3 V2 } - arg.sub_addr_count = 2;
6 R1 }+ S) G" X! { - arg.data_count = 0x18;+ p N; _6 G4 m4 y& Q
- arg.e2prom_cmd_sub_addr = 0x290;
, C- h7 Z9 K9 N; l& x! c- \' { - arg.e2prom_cmd_data = buf;, E5 N a' |' \( u/ S
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);6 Y: F6 \, `. k. ~4 l! w
- if (ret != 0) {- A6 p; J8 Q T% f6 r& j. k: h- i
- printf("Device %s read error.\n", E2PROM_DEVICE);
7 X( A# i2 I, j; r1 Z( E - return -1;
- I" M& \8 U& M8 Y - }
0 T+ f h C2 o+ x# o! t- K - memcpy(mac, buf, 6);
9 w1 `8 t: \0 A! q! h& L8 X - memcpy(stbid, &buf[6], 18);
) l" o& c+ S4 ?6 \- g - stbid[18] = '\0';) W2 p; a. a, Q9 H: j. F, s
, B6 M% o) l" S' w- return 0;! ~* V6 @! q' l) I0 n' a
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- $ B( H$ r' C, n N" L! Z! d; [
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret; U) q4 {' D/ W! p. d% Z0 X* F
- e2prom_s_cmd arg;
/ ]9 e5 K- g; K6 j7 g; U - unsigned char buf[0x18];
7 p! z5 Q/ \0 r! E" w1 P - + J( O2 ~+ v: X2 S& i1 @+ j+ r, A; c. ]
- memcpy(buf, mac, 6);
' r" r. H+ c6 R. k% q. T - memcpy(&buf[6], stbid, 18); `& Z# Z H% ^; o; N' a. m+ Y2 ?
- fd = open(E2PROM_DEVICE, O_RDWR);5 o2 V$ c5 ^! v( W* L: ?
- if (fd < 0) {( o; ~* v' G/ |
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ @% U0 [) _; O6 E+ v: D0 E: x& O$ K2 | - return -1;
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- arg.sub_addr_count = 2;
7 }9 K1 H2 T1 d' n0 M7 w5 j6 v - arg.data_count = 0x18;" ~# Z, d: h* c; q
- arg.e2prom_cmd_sub_addr = 0x290;$ e Y/ D% m6 r6 ?$ B4 z1 G
- arg.e2prom_cmd_data = buf;
/ k1 B, E& d4 L. a' c2 K4 @) S - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' j' F- o$ N( [( u! Y! D1 A
- if (ret != 0) {1 ~$ J( H# u5 Z( v M( w
- printf("Device %s write error.\n", E2PROM_DEVICE);
1 Q3 f1 v0 B* Q2 t$ I/ d - return -1;1 r) L5 {- k# M) S, q
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7 F C G3 V/ D1 O- return 0;
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8 w. T3 f2 F7 e, i8 ]' m; e+ W- int main(), L4 i: ^6 h( D+ r$ T2 E
- {
& r0 j* `# N4 ?8 D - char c;8 V# Q$ v* X0 S: |4 R' q" X
- int i, macs[6];
4 L' V- {- S8 p, Q& _/ l - unsigned char mac[6];3 P0 [* x; c: m" W9 F
- unsigned char stbid[256];3 g' d* o& A+ l: s3 B, u5 P/ a
( n: Y# m' i' C* n S& T) B; q- if (readparam(mac, stbid) < 0)
3 w/ |' r; ]. I - return 1;+ X9 Y/ x2 k5 I H2 {5 I4 p
' M. N: K' x# T, X" U* ?9 M- printf("Current parameters: \n");8 P) z, e# Q$ g; y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 l: D3 C8 _8 {6 u - printf(" STBID: %s\n", stbid);* b2 a5 ~( S& p" p& g& p% O3 S1 h
-
3 R: ^/ t* R2 z1 J. m6 ?$ {2 X - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 A- T% F8 P9 F9 `, t - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* G4 o3 ~$ k* x) ] - printf("Input MAC error\n");
0 c4 ?! \! x8 u' l6 J/ s - return 1;
4 r( r+ F/ f7 R - }
9 Y3 \- J. \6 a, R. w2 n' R - for (i=0; i<6; i++)mac[i] = macs[i];
- X, `3 u) y$ E6 h& G - printf("\nPlease input new STBID: ");
7 H: F# U& X+ K4 a E - scanf("%s", stbid);% s: V) d3 o# A: [& W4 J" U- ~
- if (strlen(stbid) != 18) {
& C* l6 l( X4 z - printf("Invalid stbid\n");+ k2 ]1 r" O( V& ~$ a
- return 1;
, f' Q& S$ n ]. w, O - }
- t) a$ G# p8 f) @% _2 J: m0 i - printf("\nNew parameters: \n");
8 ?( t3 ~+ }# C - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
}3 x, b, C# D - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");- J4 _0 _- ]* M& A
- for (;;) {
( W, J v/ \- x" ?" o - c = getchar();: C2 F! S2 ~9 r, L( a; b
- if (c == 'y' || c == 'Y')8 [! @; x7 Y6 W# K2 r$ g( w$ K
- break;# r8 A3 E' A5 u) M' v5 _
- if (c == 'n' || c == 'N') {
; _4 |8 @* N- P; n; W4 i) Y3 J8 ]. _ - printf("\nAborted.\n");
) o: j- U& c; f+ a' ?2 _ - return 1;8 y: S8 j [" q% k# a9 h0 U
- }
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- if (writeparam(mac, stbid) == 0)
6 H! j5 H; F8 z8 Y - printf("Parameters changed.\n");
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- return 0;( B0 ^3 H& _, L: x& g
- }
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