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.

main.cpp

Committer:
mimi3
Date:
2019-01-15
Revision:
0:9a5c2fb0d96f
Child:
10:1108261dabe8

File content as of revision 0:9a5c2fb0d96f:

#include "sys.h"
#include "sd_card.h"
#include "fat_lib.h"
#include "pwm_lib.h"
#include "wave_player_main.h"

 /* SD card pin
 Pin side
 --------------\
         9     = \    DAT2/NC
             1 ===|   CS/DAT3    [CS]
             2 ===|   CMD/DI     [DI]
             3 ===|   VSS1
 Bottom      4 ===|   VDD
 View        5 ===|   CLK        [CLK]
             6 ===|   VSS2
             7 ===|   DO/DAT0    [DO]
         8       =|   DAT1/IRQ
 -----------------

                                         Arduino      NUCLEO-F411       NUCLEO-F030R8
 Logo side
 -----------------
         8       =|   DAT1/IRQ
             7 ===|   DO/DAT0    [DO]     D12           D12/PA_6           D12/PA_6
             6 ===|   VSS2
 Top         5 ===|   CLK        [CLK]    D13           D13/PA_5           D13/PA_5
 View        4 ===|   VDD
             3 ===|   VSS1
             2 ===|   CMD/DI     [DI]     D11           D11/PA_7           D11/PA_7
             1 ===|   CS/DAT3    [CS]     D8            D10/PB_6           D10/PB_6
         9     = /    DAT2/NC
 --------------/
 */

#if UART_INFO
Serial pc(USBTX,USBRX);
#endif

int main() {
#if UART_INFO
    setbuf(stdout,0);
    pc.baud(115200);
#endif
    wait_us(100*1000); /* wait 100msec */
    pwm_init();
    sd_init();
    FAT_init();
    wave_player_main();
}