mi mi
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.
port_setting.txt@21:dc161a192ba7, 2020-10-09 (annotated)
- Committer:
- mimi3
- Date:
- Fri Oct 09 07:47:36 2020 +0900
- Revision:
- 21:dc161a192ba7
- Parent:
- 14:c87938f5ab01
trivial change
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| mimi3 | 3:ee1947a6e0a4 | 1 | ### Button SW PC13 |
| mimi3 | 3:ee1947a6e0a4 | 2 | ### LED indicator PB10 |
| mimi3 | 3:ee1947a6e0a4 | 3 | ### TEST PORT ### |
| mimi3 | 3:ee1947a6e0a4 | 4 | #define TEST_PORT PA_8 # D7 |
| mimi3 | 3:ee1947a6e0a4 | 5 | |
| mimi3 | 14:c87938f5ab01 | 6 | ### USART2 ### |
| mimi3 | 3:ee1947a6e0a4 | 7 | # PA2 ------> USART2_TX |
| mimi3 | 3:ee1947a6e0a4 | 8 | # PA3 ------> USART2_RX |
| mimi3 | 3:ee1947a6e0a4 | 9 | |
| mimi3 | 3:ee1947a6e0a4 | 10 | ### PWM With TIM3 ### |
| mimi3 | 3:ee1947a6e0a4 | 11 | // Use PWM3-1,PWM3-2 with TIM3 |
| mimi3 | 3:ee1947a6e0a4 | 12 | #define PWM_PORT_LEFT_HI PB_5 // TIM3_CH2 |
| mimi3 | 3:ee1947a6e0a4 | 13 | #define PWM_PORT_RIGHT_HI PB_4 // TIM3_CH1 |
| mimi3 | 3:ee1947a6e0a4 | 14 | |
| mimi3 | 3:ee1947a6e0a4 | 15 | // Use PWM3-3,PWM3-4 with TIM3 |
| mimi3 | 3:ee1947a6e0a4 | 16 | #define PWM_PORT_LEFT_LOW PC_9 // TIM3_CH4 |
| mimi3 | 3:ee1947a6e0a4 | 17 | #define PWM_PORT_RIGHT_LOW PC_8 // TIM3_CH3 |
| mimi3 | 3:ee1947a6e0a4 | 18 | |
| mimi3 | 3:ee1947a6e0a4 | 19 | ### SPI1 ### |
| mimi3 | 3:ee1947a6e0a4 | 20 | # PB6(CS) chip select port |
| mimi3 | 3:ee1947a6e0a4 | 21 | # PA5(SCK) |
| mimi3 | 3:ee1947a6e0a4 | 22 | # PA6(MISO) |
| mimi3 | 3:ee1947a6e0a4 | 23 | # PA7(MOSI) |