mi mi / Mbed 2 deprecated wave_player_super_lite

16bit resolution PWM wave player with SD card, super lite version.

Dependencies:   mbed DirectSPI FastPWM

Supported boards (confirmed):
Nucleo-F030R8
Nucleo-L152RE
Nucleo-F401RE
Nucleo-F411RE

Only compilation is OK (unchecked, but may work):
Nucleo-L073RZ
Nucleo-F334R8
Nucleo-F303RE
Nucleo-F429ZI
Nucleo-F446RE
Nucleo-F446ZE
Nucleo-L476RG

Supported SD card:
SDSC/SDHC card,
FAT16 and FAT32.
(1) At first, format SD card using SD Card Formatter
https://www.sdcard.org/downloads/formatter_4/index.html
(2) Copy PCM wav files to the SD card.
Supported file:
PCM wave file that have file extension ".wav" on root directory.
16bit/8bit, fs(sampling rate)=32kHz,44.1kHz,48kHz.
Stereo/Mono.

Hardware setting:
Refer to the file port_setting.txt
PWM output port:
Left upper(Hi) PWM 8bit out: PB_5 (TM3_CH2)
Right upper(Hi) PWM 8bit out: PB4 (TM3_CH1)
Left lower(Low) PWM 8bit out: PC_9 (TM3_CH4)
Right lower(Low) PWM 8bit out: PC_8 (TM3_CH3)
http://mpu.up.seesaa.net/image/16bit-wave-player-output-schema.png
USER_BUTTON: PC_13(default button)
Next song: One click in Play mode.
Pause : Push long time .
Play : One click from Pause.

timers.cpp@21:dc161a192ba7, 2020-10-09 (annotated)

Committer:
mimi3
Date:
Fri Oct 09 07:47:36 2020 +0900
Revision:
21:dc161a192ba7
Parent:
0:9a5c2fb0d96f 
trivial change

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mimi3 0:9a5c2fb0d96f 1 #include "sys.h"
mimi3 0:9a5c2fb0d96f 2
mimi3 0:9a5c2fb0d96f 3 Ticker ticker;
mimi3 0:9a5c2fb0d96f 4
mimi3 0:9a5c2fb0d96f 5 bool fTimeUp;
mimi3 0:9a5c2fb0d96f 6
mimi3 0:9a5c2fb0d96f 7 void timer10ms(){
mimi3 0:9a5c2fb0d96f 8 fTimeUp = 1;
mimi3 0:9a5c2fb0d96f 9 }
mimi3 0:9a5c2fb0d96f 10
mimi3 0:9a5c2fb0d96f 11 bool isTickTimer_IF(){
mimi3 0:9a5c2fb0d96f 12 return fTimeUp;
mimi3 0:9a5c2fb0d96f 13 }
mimi3 0:9a5c2fb0d96f 14
mimi3 0:9a5c2fb0d96f 15 void tickTimer_IF_clear() {
mimi3 0:9a5c2fb0d96f 16 fTimeUp = 0;
mimi3 0:9a5c2fb0d96f 17 }
mimi3 0:9a5c2fb0d96f 18
mimi3 0:9a5c2fb0d96f 19 /******************
mimi3 0:9a5c2fb0d96f 20 init_tickTimer
mimi3 0:9a5c2fb0d96f 21 *******************/
mimi3 0:9a5c2fb0d96f 22 void init_tickTimer() {
mimi3 0:9a5c2fb0d96f 23 ticker.attach(&timer10ms,10.0/1000);
mimi3 0:9a5c2fb0d96f 24 }
mimi3 0:9a5c2fb0d96f 25