不韋 呂
SD card player with variable cotoff frequency lowpass and highpass IIR filter. SD カードの *.wav ファイルのオーディオ信号を，遮断周波数可変 IIR 低域通過および高域通過フィルタを通して，ボードに搭載されているCODEC で出力する．このプログラムについては，CQ出版社インターフェース誌 2018年8月号で解説している．
Dependencies: F746_GUI F746_SAI_IO FrequencyResponseDrawer SD_PlayerSkeleton
serial_t Struct Reference
Asynch serial hal structure. More...
#include <serial_api.h>
Data Fields | |
| struct serial_s | serial |
| Target specific serial structure. | |
| struct buffer_s | tx_buff |
| Tx buffer. | |
| struct buffer_s | rx_buff |
| Rx buffer. | |
| uint8_t | char_match |
| Character to be matched. | |
| uint8_t | char_found |
| State of the matched character. | |
Detailed Description
Asynch serial hal structure.
Definition at line 85 of file serial_api.h.
Field Documentation
| uint8_t char_found |
State of the matched character.
Definition at line 90 of file serial_api.h.
| uint8_t char_match |
Character to be matched.
Definition at line 89 of file serial_api.h.
Rx buffer.
Definition at line 88 of file serial_api.h.
| struct serial_s serial |
Target specific serial structure.
Definition at line 86 of file serial_api.h.
Tx buffer.
Definition at line 87 of file serial_api.h.
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