DSP56K

̾Á°

½ñ¼°

#include <asm/dsp56k.h>

ssize_t read (int fd, void * data, size_t length);
ssize_t write (int fd, void * data, size_t length);
int ioctl (int fd, DSP56K_UPLOAD, struct dsp56k_upload *program);
int ioctl (int fd, DSP56K_SET_TX_WSIZE, int wsize);
int ioctl (int fd, DSP56K_SET_RX_WSIZE, int wsize);
int ioctl (int fd, DSP56K_HOST_FLAGS, struct dsp56k_host_flags *flags);
int ioctl (int fd, DSP56K_HOST_CMD, int cmd);

ÀßÄê

ÀâÌÀ

¥Ç¡¼¥¿¥¹¥È¥ê¡¼¥à¤ò¥·¥°¥Ê¥ë¥×¥í¥»¥Ã¥µ¡¼¤ËÁ÷¿®¤¹¤ë¤¿¤á¤Ë¤Ï¡¢ ¥Ç¥Ð¥¤¥¹¤ËÂФ·¤Æ write() ¤ò»È¤¦¤³¤È¡£ ½èÍý¤µ¤ì¤¿¥Ç¡¼¥¿¤ò¼õ¿®¤¹¤ë¤¿¤á¤Ë¤Ï¡¢read() ¤ò»È¤¦¤³¤È¡£ ¥Û¥¹¥È¦¤Ç¤Ï¡¢¥Ç¡¼¥¿¤Ï 8, 16, 24, 32 ¥Ó¥Ã¥Èñ°Ì¤ÇÁ÷¼õ¿®¤Ç¤­¤ë¤¬¡¢ DSP56001 Æâ¤Ç¤Ï¡¢24 ¥Ó¥Ã¥Èñ°Ì¤Ç°·¤ï¤ì¤ë¡£

¼¡¤Î ioctl(2) ¥³¡¼¥ë¤¬ dsp56k ¥Ç¥Ð¥¤¥¹¤òÀ©¸æ¤¹¤ë¤¿¤á¤Ë»È¤ï¤ì¤ë¡£

DSP56K_UPLOAD

DSP56001 ¤ò¥ê¥»¥Ã¥È¤·¡¢¥×¥í¥°¥é¥à¤ò¥¢¥Ã¥×¥í¡¼¥É¤¹¤ë¡£ ioctl() ¤Î 3 ÈÖÌܤΰú¤­¿ô¤Ï¡¢ ¹½Â¤ÂÎ struct dsp56k_binary ¤Ø¤Î¥Ý¥¤¥ó¥¿¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ ¹½Â¤ÂΤΥá¥ó¥Ð¡¼ bin ¤Ï DSP56001 ¥Ð¥¤¥Ê¥ê¥×¥í¥°¥é¥à¤ò»Ø¤·¡¢ ¹½Â¤ÂΤΥá¥ó¥Ð¡¼ len ¤Ï 24 ¥Ó¥Ã¥È¥ï¡¼¥É¤Ç¿ô¤¨¤¿ ¥×¥í¥°¥é¥à¤ÎŤµ¤ËÀßÄꤵ¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£

DSP56K_SET_TX_WSIZE

Á÷¿®¥ï¡¼¥É¥µ¥¤¥º¤òÀßÄꤹ¤ë¡£ ÀßÄê¤Ç¤­¤ëÃÍ¤Ï 1 ¡Á 4 ¤ÎÈϰϤǡ¢¤³¤Î¥Ð¥¤¥È¿ôʬ¤À¤± 1 ÅÙ¤Ë DSP56001 ¤ËÁ÷¿®¤¹¤ë¡£ ¤³¤Î¥Ç¡¼¥¿Ã±°Ì¤Ï¡¢DSP56001 ËÜÍè¤Î 24 ¥Ó¥Ã¥È¥Ç¡¼¥¿·Á¼°¤Ë¹ç¤ï¤»¤ë¤¿¤á¡¢ ¥¼¥í¤Î¥Ð¥¤¥È¤ÇËä¤á¤é¤ì¤¿¤ê¡¢ÀÚ¤êµÍ¤á¤é¤ì¤¿¤ê¤¹¤ë¡£

DSP56K_SET_RX_WSIZE

¼õ¿®¥ï¡¼¥É¥µ¥¤¥º¤òÀßÄꤹ¤ë¡£ ÀßÄê¤Ç¤­¤ëÃÍ¤Ï 1 ¡Á 4 ¤ÎÈϰϤǡ¢ ¤³¤Î¥Ð¥¤¥È¿ôʬ¤À¤± 1 ÅÙ¤Ë DSP56001 ¤«¤é¼õ¿®¤¹¤ë¡£ ¤³¤Î¥Ç¡¼¥¿Ã±°Ì¤Ï¡¢DSP56001 ËÜÍè¤Î 24 ¥Ó¥Ã¥È¥Ç¡¼¥¿·Á¼°¤Ë¹ç¤ï¤»¤ë¤¿¤á¡¢ ÀÚ¤êµÍ¤á¤é¤ì¤¿¤ê¡¢¥¼¥í¤Î¥Ð¥¤¥È¤ÇËä¤á¤é¤ì¤¿¤ê¤¹¤ë¡£

DSP56K_HOST_FLAGS

¥Û¥¹¥È¥Õ¥é¥°¤òÆɤ߽ñ¤­¤¹¤ë¡£ ¥Û¥¹¥È¥Õ¥é¥°¤Ï¡¢°ìÈÌŪ¤ÊÌÜŪ¤Ç»È¤¦¤³¤È¤Î¤Ç¤­¤ë¥Ó¥Ã¥È¤Ç¡¢ ¥Û¥¹¥È¥³¥ó¥Ô¥å¡¼¥¿¤È DSP56001 ¤ÎξÊý¤«¤éÆɤळ¤È¤¬¤Ç¤­¤ë¡£ ¥Ó¥Ã¥È 0 ¤È 1 ¤Ï¡¢¥Û¥¹¥È¤Ë¤è¤Ã¤Æ½ñ¤­¹þ¤à¤³¤È¤¬¤Ç¤­¡¢ ¥Ó¥Ã¥È 2 ¤È 3 ¤Ï¡¢DSP56001 ¤Ë¤è¤Ã¤Æ½ñ¤­¹þ¤à¤³¤È¤¬¤Ç¤­¤ë¡£

¥Û¥¹¥È¥Õ¥é¥°¤Ë¥¢¥¯¥»¥¹¤¹¤ë¤¿¤á¤Ë¤Ï¡¢ioctl() ¤Î 3 ÈÖÌܤΰú¤­¿ô¤¬ ¹½Â¤ÂÎ struct dsp56k_host_flags ¤Ø¤Î¥Ý¥¤¥ó¥¿¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ ¤³¤Î¹½Â¤ÂΤΥá¥ó¥Ð¡¼ dir ¤Î¥Ó¥Ã¥È 0 ¤Þ¤¿¤Ï 1 ¤¬ÀßÄꤵ¤ì¤ë¤È¡¢ ¥á¥ó¥Ð¡¼ out ¤ÎÂбþ¤¹¤ë¥Ó¥Ã¥È¤ÎÃͤ¬¥Û¥¹¥È¥Õ¥é¥°¤Ë½ñ¤­¹þ¤Þ¤ì¤ë¡£ ¤¹¤Ù¤Æ¤Î¥Û¥¹¥È¥Õ¥é¥°¤Î¾õÂ֤ϡ¢¹½Â¤ÂΤΥá¥ó¥Ð¡¼ status ¤Î ²¼¤«¤é 4 ¥Ó¥Ã¥È¤È¤·¤ÆÊÖ¤µ¤ì¤ë¡£

DSP56K_HOST_CMD

¥Û¥¹¥È¥³¥Þ¥ó¥É¤òÁ÷¿®¤¹¤ë¡£ Á÷¿®¤Ç¤­¤ëÃÍ¤Ï 0 ¡Á 31 ¤ÎÈϰϤǡ¢DSP56001 ¤ÇÆ°ºî¤·¤Æ¤¤¤ë¥×¥í¥°¥é¥à¤Ë¤è¤Ã¤Æ ½èÍý¤µ¤ì¤ë¥æ¡¼¥¶¡¼ÄêµÁ¥³¥Þ¥ó¥É¤Ç¤¢¤ë¡£

¥Õ¥¡¥¤¥ë

Ãø¼Ô

´ØÏ¢¹àÌÜ

Index

̾Á°

½ñ¼°

ÀßÄê

ÀâÌÀ

¥Õ¥¡¥¤¥ë

Ãø¼Ô

´ØÏ¢¹àÌÜ