本帖最后由 0522 于 2012-3-21 23:04 编辑 I" h* T( ~6 a; _" b( s) B
' G# p0 t h+ ], \! C" A! H- X修改的代码早有了。到今天不会编译。- U4 G9 B* @/ x- D- d
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
* W/ d( p: [3 O& ]2 p - #include <malloc.h>
1 G6 f1 @* v% S - #include <sys/types.h>
! c; k8 A: {3 F) A9 | - #include <sys/stat.h>4 @4 n5 G: q. @. ]% ?; ~* Q% m+ }/ ~6 b
- #include <sys/ioctl.h>
- M1 `) o% v/ A G" `1 _3 W+ ^ - #include <stdio.h>
( }' g/ C, q1 d2 q - #include <string.h>/ n% r0 e/ ]* u3 q5 C1 ~. [5 `
- ) v6 y. D8 L0 o
- typedef struct {
8 u: l7 k+ i* [3 w( m2 F$ D+ m% ` - unsigned int e2prom_cmd_sub_addr;
; j* R. G1 u* Q" G/ i - unsigned int sub_addr_count;. Q! M, }7 y/ h6 w1 p( q* [+ y. `
- unsigned char* e2prom_cmd_data;
, f/ b, ?. m- ]/ \& d: u2 L1 C - unsigned int data_count;; j2 X' s4 \( n4 G
- } e2prom_s_cmd;9 n/ s- g# L- r8 }9 t9 y4 e
2 _6 ~% a/ f* T7 A" G- #define E2PROM_CMD_READ 13 d# U/ r4 c. w5 T2 A9 p
- #define E2PROM_CMD_WRITE 29 \7 H* f! G, K- d0 C; n
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 \0 J! T4 H7 R, G0 m
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- static int readparam(unsigned char *mac, unsigned char *stbid)- X) E- w5 e: P9 C; Y9 U: A
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- int fd, ret;: l5 ^( O+ ^- E* j/ ^
- e2prom_s_cmd arg;& P" c, F/ `# ?, ]% U
- unsigned char buf[0x18];
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$ K e" n! J. W- fd = open(E2PROM_DEVICE, O_RDWR);- {# _6 t# z/ o+ A
- if (fd < 0) {
# a: F0 B @$ [; z; v: u - printf("Device %s open error.\n", E2PROM_DEVICE);
6 k3 M! s4 N9 ^. N6 m2 x/ n7 r5 c - return -1;# B M1 m8 d: d! g/ I$ ]5 h
- }
# P& G+ q- H3 T5 @" B$ |* ?% D - arg.sub_addr_count = 2;, D5 D. V2 X, ~) l! M
- arg.data_count = 0x18;
4 @) E2 q3 N8 O! `* I: x - arg.e2prom_cmd_sub_addr = 0x290;, |5 N' e$ V! V3 m
- arg.e2prom_cmd_data = buf;9 ~; w' K" b- R- W7 h! e
- ret = ioctl(fd, E2PROM_CMD_READ, &arg); @( i) L- s7 `
- if (ret != 0) {% l; ^8 @0 I! n# ]
- printf("Device %s read error.\n", E2PROM_DEVICE);. E2 N6 D5 ~8 F& B
- return -1;
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- memcpy(mac, buf, 6);% ~; D4 n- s, z
- memcpy(stbid, &buf[6], 18);: d5 x5 C" P `: H
- stbid[18] = '\0';
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- return 0;- D$ T g. q- K) X: y7 m
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
$ g4 |& R$ \9 g# p3 I - {# g Y$ r; N" {
- int fd, ret;
% a3 V; c% f/ O - e2prom_s_cmd arg;4 ~# [- B( u! M# X1 i
- unsigned char buf[0x18];, H/ O. R( t4 V7 S7 w* L7 n' O
' f9 ]0 R$ a, B' i: g, I- memcpy(buf, mac, 6);
/ v8 \$ `8 m+ [. z1 Q' N3 s - memcpy(&buf[6], stbid, 18);
% g, ?) B2 H+ @: f8 @ - fd = open(E2PROM_DEVICE, O_RDWR);
) _6 x4 Q/ z0 z& ] - if (fd < 0) {
8 O; V; M* R" j6 |+ T% w Q - printf("Device %s open error.\n", E2PROM_DEVICE);
' m2 I$ Q1 L# D6 }+ S! b: Q - return -1;, J* N* G* c7 r8 w& E% T( r- |2 V5 C
- }
. _* @: L, d7 v6 q - arg.sub_addr_count = 2;
2 y' b( B1 Z, p1 f' B$ M! N$ x+ ~ - arg.data_count = 0x18;
) `( A, t$ r3 a' G. r- x - arg.e2prom_cmd_sub_addr = 0x290;; ]) }+ ~* i) c1 W% \. n# Z
- arg.e2prom_cmd_data = buf;/ r( Z" M' a2 L/ S* w5 h
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);6 b7 n5 p- u/ q' A" {/ Y
- if (ret != 0) {( a2 j. K0 \" n. F: k- o
- printf("Device %s write error.\n", E2PROM_DEVICE);
v% Z, n8 }& f$ j9 p. G& y1 B - return -1;/ t( w# f; c( r0 F# A
- }
% _+ \& d) j' [+ |# A/ F: [- t
, u+ T0 k6 S+ o: @- return 0;/ x, b" U7 B" o2 ^( R* o
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- ; f* a2 q: q5 c: s. j( l
- int main()
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- char c;
- M* w+ i) f. u) B2 V - int i, macs[6];. j- r7 i$ M, l2 n% O$ T% e! o
- unsigned char mac[6];9 @: Y! f2 d7 m3 l) u6 W0 G
- unsigned char stbid[256];# g) n+ C* `% w2 ]
) }' x- E- B$ l0 s/ b- if (readparam(mac, stbid) < 0)
; X5 Q# A7 n5 J - return 1;+ o! o0 D$ b! L" A1 c5 \0 o+ G
- * V x/ d3 ^9 K- K v6 k8 n9 I+ j
- printf("Current parameters: \n");
! h7 q4 B3 K8 F - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% w+ W+ q. |; G7 o, z* q
- printf(" STBID: %s\n", stbid);" m, F7 z: K3 _; X# s& b; F
-
& t. ]) B/ z S3 ^' w4 N - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ e7 i7 N; O3 S) X3 O
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 d' L8 N' p& F2 t& X - printf("Input MAC error\n");
, L" ]3 Y: i2 w D4 @/ x - return 1;! i$ Y2 I6 n* ^( j% d- a, f
- }
+ K) A! I# V7 f - for (i=0; i<6; i++)mac[i] = macs[i];) @- K5 ]+ h4 h! A/ Z) k
- printf("\nPlease input new STBID: ");7 |2 ~* s- a( f; m5 I& ?
- scanf("%s", stbid);+ }% l# k" i; V
- if (strlen(stbid) != 18) {, Y$ |. ?1 W2 V
- printf("Invalid stbid\n");$ B. O1 O# k3 [. A% b4 i; P0 |7 N
- return 1;
: j% T' O' V7 d* A2 s/ _4 C - }
' s8 m4 A* B) z% h5 E2 K4 O9 l - printf("\nNew parameters: \n");
9 W( P( Q1 {9 X* T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 T0 D, a' h5 X9 v' ^" e c6 g6 [
- printf(" STBID: %s\n", stbid);
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* `. c/ R, w% t# Q- N- printf("\nDo you want to change paramemters? (y/N) ");, n0 z7 L1 F, ?7 U: y
- for (;;) {
% j- h4 A* C; r Q7 Z2 c - c = getchar();
& s4 ^3 }6 E# ^, f0 @* X- h# Q% ]" { - if (c == 'y' || c == 'Y')
$ q b4 @+ R" O, F) R) Y8 u - break;
# r8 u6 F9 x6 }$ k# U. H - if (c == 'n' || c == 'N') {
; l. D0 F- a; k# `0 V( T# ~ - printf("\nAborted.\n");1 i9 l8 | O/ w" D
- return 1;
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- }3 s8 q/ X. n8 S
- if (writeparam(mac, stbid) == 0) 5 G- R' e2 B! I9 ^# ]
- printf("Parameters changed.\n");
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* q. e' {& i: [, u" P- return 0;, A' \1 J$ V9 [2 k
- }
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