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。7 A2 Y4 l: t! A
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
' Q) h' u# O! M% Z( b& b - #include <malloc.h>' Z3 I0 E. y! ], K4 B, g7 ]
- #include <sys/types.h>
# ~; ^7 E7 r4 \+ X - #include <sys/stat.h>
! o1 C1 u& A+ I" W. t - #include <sys/ioctl.h>" \* @7 {- v) ?
- #include <stdio.h>, I- y/ R- ]& i3 D9 E
- #include <string.h>
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- typedef struct {
5 ?5 K# q+ ^: C, s - unsigned int e2prom_cmd_sub_addr;3 X( C6 P% l, J+ h- L' [) W) T
- unsigned int sub_addr_count;$ c7 q% j2 G" h6 E5 e9 V
- unsigned char* e2prom_cmd_data;" l3 c' H. p* r S* b6 E
- unsigned int data_count;
! P. t+ b% |# v0 K4 P( R/ V2 _7 S - } e2prom_s_cmd;
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" y# z) Q; v3 l* Y7 Z7 z( J- #define E2PROM_CMD_READ 19 M% ^1 f9 X2 z1 C. C
- #define E2PROM_CMD_WRITE 2
, Z2 f; b. o- [6 {) x. C - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ |0 X' t' `4 e+ V6 y
5 s$ o( ^$ R Z. b7 r- static int readparam(unsigned char *mac, unsigned char *stbid)# i# t; S/ F; ?9 }
- {
' C- @: C6 P0 G. W' Z& j - int fd, ret;
8 C! l2 _/ m9 X2 E. B# z - e2prom_s_cmd arg;1 `, O1 a8 e% N& o0 `
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
$ E( N7 L& u9 P n @ - if (fd < 0) {
F' _3 p2 q! _/ ^3 d+ K/ c. N& K - printf("Device %s open error.\n", E2PROM_DEVICE);
/ ?- N" I1 A/ k# ~" A9 M) g } - return -1;
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, b5 F4 F: u# J7 e - arg.sub_addr_count = 2;
p: Q1 i8 ^7 H3 q1 }: j; J - arg.data_count = 0x18;
8 a1 P8 h0 s! v) y1 d2 {% O - arg.e2prom_cmd_sub_addr = 0x290;! ], i( w0 y2 V! i- J8 P
- arg.e2prom_cmd_data = buf;5 { t( u) j- |3 A2 y- L2 D
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);, O# |3 H" h+ g1 M1 |
- if (ret != 0) {7 e9 u+ c9 n$ t9 J( C
- printf("Device %s read error.\n", E2PROM_DEVICE);' j' G+ Y# s8 E
- return -1;
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- memcpy(mac, buf, 6);6 @- U/ s$ [7 N7 A
- memcpy(stbid, &buf[6], 18);- ]: \9 e$ z' g H6 e
- stbid[18] = '\0';: ~6 |3 M5 B6 a: \+ G
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- return 0;$ a4 J) G; P) U7 E" d" F# c
- }- e) f" H& {2 @2 u
2 G1 t( N$ K9 J% p- static int writeparam(unsigned char *mac, unsigned char *stbid), N. B- H% t2 j z+ f" o# ~" i
- {
3 f! n. b) I: l9 g5 w0 D) L - int fd, ret;3 N" C$ y) E( V v2 Y8 M7 K+ `
- e2prom_s_cmd arg;4 g- ]0 f) d$ R! Y2 Q; x2 ]
- unsigned char buf[0x18];1 _# q* H1 C S& O3 N' w/ {
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- memcpy(buf, mac, 6);0 J: O t3 [1 I% c G. W; Y
- memcpy(&buf[6], stbid, 18);
" K0 k* R* T# H. G: K: r4 R - fd = open(E2PROM_DEVICE, O_RDWR);
- D2 Y' p Q* T- f$ V/ I - if (fd < 0) {
# {, r) d# D3 i: X1 A+ s - printf("Device %s open error.\n", E2PROM_DEVICE);8 K: x/ @- e7 x: R+ `2 i5 u
- return -1;
8 S- \* g$ o9 C' y* V4 o; R - }
7 j6 l- u7 i. b1 ]8 z0 ~ - arg.sub_addr_count = 2;
) s/ T7 f( j, m" W - arg.data_count = 0x18;' \8 A0 V2 L3 c$ t& C
- arg.e2prom_cmd_sub_addr = 0x290;4 t" j: }, u% o5 T+ g4 p
- arg.e2prom_cmd_data = buf;
. {+ {" W; R! i( p" B% y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 x8 c0 s# u/ {4 A. F+ N - if (ret != 0) {) m a6 Y3 q3 Q( A' s& R7 l6 d1 l) }
- printf("Device %s write error.\n", E2PROM_DEVICE);
; Z( y/ y2 s# { - return -1;
# N/ N( Z% q: _: K# m - }
# ~1 K) G; U) U8 c. {' j - 1 F" g, N# E x7 t) n, x
- return 0;" n' w# t6 ?8 M( M5 ?
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- int main()1 r1 H3 n" k) G1 W, r0 b
- {9 N! J6 P# j+ O# I+ R8 h/ I) n: C
- char c;
; j( T7 F9 T4 c! T3 f - int i, macs[6];' Y8 S5 l' ]: p: k6 E! }/ \
- unsigned char mac[6];
@% q2 k% K3 ^( n - unsigned char stbid[256];. W' x: n0 B3 N4 [6 k. L) j2 O
. H! W% x# d+ }! ^( n- if (readparam(mac, stbid) < 0)" k, H n- H n) m8 q3 c
- return 1;
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- printf("Current parameters: \n");
/ }& H1 M# P: h& u2 U- C( r - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; q0 s3 g$ m4 L7 v& l
- printf(" STBID: %s\n", stbid);' a0 f; t. \7 e
- , a* V+ O5 l* W4 i1 q# z
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* }- Q, p8 d: d# x- F& l - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
' Q8 V# I! b" [1 N# n - printf("Input MAC error\n");
. ~8 S* h+ z& X2 \* f5 g" p3 g - return 1;6 S# d1 C* R! L: z8 L/ L" V
- }
+ \) t, K$ k! {0 a - for (i=0; i<6; i++)mac[i] = macs[i];
# f2 m: z% H: d* S - printf("\nPlease input new STBID: ");
4 I$ ^) t [) V3 B - scanf("%s", stbid);8 S2 Y, p9 G9 {: k3 @# u& ]
- if (strlen(stbid) != 18) {4 f8 q& v" Y: \! O U
- printf("Invalid stbid\n");& N9 M+ V+ }3 F# F& @" V1 b
- return 1;
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- printf("\nNew parameters: \n");5 D W" |( X) x9 l( ~
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 m/ Y; {4 L3 M) ?9 }0 F
- printf(" STBID: %s\n", stbid);! \' o2 L# x4 u$ ]
- / h' H! H( q# y$ ^$ O0 \
- printf("\nDo you want to change paramemters? (y/N) ");
s* g! P/ U& S6 D4 A* }7 u, K+ U! i - for (;;) {
& |& J1 y7 L. i& | - c = getchar();% ~2 N% U* n! N% G' x
- if (c == 'y' || c == 'Y')# ^' C: e0 v: x: z. W; T
- break;
]- J8 \% l$ [; I - if (c == 'n' || c == 'N') {
: n$ Y- A% s, D6 G - printf("\nAborted.\n");% a2 `6 V7 `4 D- J+ K* N
- return 1;8 Y0 P7 F5 b6 v3 _( k! i+ f' `$ ~
- }# w1 X+ {: i* r. c% L
- }
" [. {3 E1 e" a, Z' S; z8 p - if (writeparam(mac, stbid) == 0) ) Y: r/ B8 e/ g h
- printf("Parameters changed.\n");
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+ \- _# f5 w- n+ V$ _; w: i- return 0;
" x% V3 T4 f1 h, g6 u* D - }
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