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)
USER_BUTTON: PC_13(default button)
Next song: One click in Play mode.
Pause : Push long time .
Play : One click from Pause.
Diff: sys.h
- Revision:
- 16:1bb81504b23b
- Parent:
- 11:8dc9fa1e1bdc
--- a/sys.h Sun Feb 17 11:48:22 2019 +0900 +++ b/sys.h Sun Feb 17 11:59:16 2019 +0900 @@ -14,15 +14,15 @@ ----------------------*/ #define PWM16BIT 1 #define DATA_8BIT_SUPPORT 1 -#define HAVE_BUTTON_SW 1 //; for 'Play','Pause','Power off' +#define HAVE_BUTTON_SW 1 // for 'Play','Pause','Power off' /* Enable either the type of blink or dimmer */ -#define HAVE_LED_IND_PWM 1 //; blink LED during playing (750msec interval) -#define HAVE_LED_IND_BLINK 0 //; dimmer LED during playing +#define HAVE_LED_IND_PWM 1 // blink LED during playing (750msec interval) +#define HAVE_LED_IND_BLINK 0 // dimmer LED during playing /**********************/ -#define HAVE_LED_PAUSE_INDICATOR 1 //; blink or dimmer during pausing -#define HAVE_POWER_OFF_MODE 0 //; under construction +#define HAVE_LED_PAUSE_INDICATOR 1 // blink or dimmer during pausing +#define HAVE_POWER_OFF_MODE 0 // under construction //-- Select FAT32/FAT16 or FAT16 only -#define HAVE_FAT32 1 //; false: FAT16 only, true: FAT16 and FAT32 support +#define HAVE_FAT32 1 // 0: FAT16 only, 1: FAT16 and FAT32 support //--- end option setting // TEST PORT