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.
Diff: main.cpp
- Revision:
- 0:9a5c2fb0d96f
- Child:
- 10:1108261dabe8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Jan 15 12:45:24 2019 +0000
@@ -0,0 +1,52 @@
+#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();
+}
+
+