sound volume configurable

sound-driver/Makefile

@@ -12,7 +12,7 @@ ASFLAGS=$(COMMONFLAGS) -D__ASSEMBLER__
 
 LDFLAGS=-mmcu=$(MCU) -L $(TOOLCHAIN_PREFIX)/include
 
-$(ARTIFACT).elf:	main.o scheduler.o spi.o spi_init.o sequencer.o melody_tetris.o melody_tusch1.o psg.o mute.o melody_pling.o
+$(ARTIFACT).elf:	main.o scheduler.o spi.o spi_init.o sequencer.o melody_tetris.o melody_tusch1.o psg.o mute.o melody_pling.o config.o
 	$(CC) -o $@ $(LDFLAGS) $^
 	$(OBJDUMP) -D $(ARTIFACT).elf > $(ARTIFACT).txt
 

sound-driver/config.c

@@ -0,0 +1,19 @@
+#include <stdint.h>
+#include "config.h"
+
+
+typedef struct {
+  uint8_t amplitude;
+} config_t;
+
+config_t config;
+
+
+void configSetAmplitude(uint8_t v) {
+  config.amplitude = v;
+}
+
+uint8_t configGetAmplitude() {
+  return config.amplitude;
+}
+

sound-driver/config.h

@@ -0,0 +1,11 @@
+#ifndef _CONFIG_H_
+#define _CONFIG_H_
+
+
+#include <stdint.h>
+
+void configSetAmplitude(uint8_t v);
+uint8_t configGetAmplitude();
+
+
+#endif // _CONFIG_H_

sound-driver/melody_pling.c

@@ -1,8 +1,11 @@
 #include <stdbool.h>
+#include <sys/param.h>
 #include <stddef.h>
 #include "psg.h"
 #include "sequencer.h"
 #include "scheduler.h"
+#include "config.h"
+
 
 const t_tone plingVoice1[] = {
   { .octave = e_O_5,    .note = e_C,     .length = e_L_1_16,    .legato = false, .staccato = false },
@@ -18,13 +21,15 @@ const t_tone plingVoice1[] = {
 };
 
 t_melodies pling = {
-  .melodies = { { .amplitude = 12, .tones = plingVoice1 } },
+  .melodies = { { .tones = plingVoice1 } },
+  .amplitude = 12,
   .numOfMelodies = 1,
   .pace = 200,
   .chip = 1
 };
 
 void playPling() {
+  pling.amplitude = MIN((configGetAmplitude() + 4), 15);
   sequencerPlayMelodies(&pling);
 }
 

sound-driver/melody_tetris.c

@@ -1,8 +1,10 @@
 #include <stdbool.h>
+#include <sys/param.h>
 #include <stddef.h>
 #include "psg.h"
 #include "sequencer.h"
 #include "scheduler.h"
+#include "config.h"
 
 
 /*
@@ -924,7 +926,8 @@ const t_tone voice3[] = {
 
 #define INITIAL_PACE 160
 t_melodies tetrisTheme = {
-  .melodies = { { .amplitude = 8, .tones = voice1 }, { .amplitude = 8, .tones = voice2 }, { .amplitude = 8, .tones = voice3 } },
+  .melodies = { { .tones = voice1 }, { .tones = voice2 }, { .tones = voice3 } },
+  .amplitude = 8,
   .numOfMelodies = 3,
   .pace = INITIAL_PACE,
   .chip = 0
@@ -932,6 +935,7 @@ t_melodies tetrisTheme = {
 
 void playMelodyTetris() {
   tetrisTheme.pace = INITIAL_PACE; // reset to start value each time
+  tetrisTheme.amplitude = MIN((configGetAmplitude() + 4), 15);
   sequencerPlayMelodies(&tetrisTheme);
 }
 

sound-driver/melody_tetris.h

@@ -5,5 +5,6 @@
 void playMelodyTetris();
 void stopMelodyTetris();
 void playMelodyTetrisFaster();
+void playMelodyTetrisAmplitude(uint8_t a);
 
 #endif // _MELODY_TETRIS_H_

sound-driver/melody_tusch1.c

@@ -1,9 +1,10 @@
 #include <stdbool.h>
+#include <sys/param.h>
 #include <stddef.h>
 #include "psg.h"
 #include "sequencer.h"
 #include "scheduler.h"
-#include "melody_tetris.h"
+#include "config.h"
 
 const t_tone tusch1voice1[] = {
   { .octave = e_O_5,    .note = e_C,     .length = e_L_1_4,     .legato = false, .staccato = true  },
@@ -72,15 +73,16 @@ const t_tone tusch1voice3[] = {
 };
 
 t_melodies tusch1 = {
-  .melodies = { { .amplitude = 12, .tones = tusch1voice1 }, { .amplitude = 12, .tones = tusch1voice2 }, { .amplitude = 12, .tones = tusch1voice3 } },
+  .melodies = { { .tones = tusch1voice1 }, { .tones = tusch1voice2 }, { .tones = tusch1voice3 } },
+  .amplitude = 12,
   .numOfMelodies = 3,
   .pace = 200,
   .chip = 1
 };
 
 void playTusch1() {
+  tusch1.amplitude = MIN((configGetAmplitude() + 4), 15);
   sequencerPlayMelodies(&tusch1);
-//  playMelodyTetrisFaster();
 }
 
 

sound-driver/sequencer.c

@@ -59,7 +59,7 @@ void sequencerExec(void *handle) {
           if (melody->tones[melody->idx].length == e_L_EndMark) {
             melody->idx = 0;
           }
-          psgPlayTone(melodies->chip, channel, melody->amplitude, melody->tones[melody->idx].octave, melody->tones[melody->idx].note);
+          psgPlayTone(melodies->chip, channel, melodies->amplitude, melody->tones[melody->idx].octave, melody->tones[melody->idx].note);
           melody->lengthCnt = (melody->tones[melody->idx].staccato) ? 
             (calcLength(melodies, melody->tones[melody->idx].length) / 2) : 
             calcLength(melodies, melody->tones[melody->idx].length);

sound-driver/sequencer.h

@@ -44,7 +44,6 @@ typedef struct {
   uint16_t idx;
   uint16_t lengthCnt;
   t_sequencerState state;
-  uint8_t amplitude;
   const t_tone *tones;
 } t_melody;
 
@@ -53,6 +52,7 @@ typedef struct {
 typedef struct {
   uint8_t slotMask;
   uint8_t chip;
+  uint8_t amplitude;
   uint8_t taskId;
   uint16_t quarterLength;
   uint8_t numOfMelodies;

sound-driver/soundCodes.h

@@ -8,7 +8,9 @@
 #define SOUND_GAMEOVER 0x08
 #define SOUND_FANFARE 0x10
 #define SOUND_LOCK 0x20
-#define SOUND_MOTION 0x40
-#define SOUND_PLING 0x80
+#define SOUND_PLING 0x40
+#define SOUND_COMMAND 0x80
+
+#define SOUND_SUBCMD_AMPLITUDE 0x40
 
 #endif // _SOUND_CODES_H_

sound-driver/spi.S

@@ -6,12 +6,21 @@
 receive_isr:
   bit     #UCB0RXIFG, &UC0IFG
   jz      receive_isr_no_data
+  bit     #SOUND_COMMAND, &cmd
+  jnz     receive_isr_no_data
   bis     UCB0RXBUF, &cmd
 receive_isr_no_data:
   reti
 
   .global spiCmdHandler
 spiCmdHandler:
+spiCmdHandler_0:
+  bit     #SOUND_COMMAND, &cmd
+  jz      spiCmdHandler_1
+  ;; insert a call here
+  call    #spiCommandDispatcher
+  mov.b   #0, &cmd
+  ret
 spiCmdHandler_1:
   bit     #SOUND_MUTE, &cmd
   jz      spiCmdHandler_2
@@ -44,11 +53,6 @@ spiCmdHandler_6:
   ;; insert a call here
   bic     #SOUND_LOCK, &cmd
 spiCmdHandler_7:
-  bit     #SOUND_MOTION, &cmd
-  jz      spiCmdHandler_8
-  ;; insert a call here
-  bic     #SOUND_MOTION, &cmd
-spiCmdHandler_8:
   bit     #SOUND_PLING, &cmd
   jz      spiCmdHandler_end
   call    #playPling

sound-driver/spi_init.c

@@ -4,9 +4,10 @@
 #include "scheduler.h"
 #include "spi.h"
 #include "soundCodes.h"
+#include "config.h"
 
 
-uint8_t cmd;
+volatile uint8_t cmd;
 
 void spiInit() {
   // SPI slave
@@ -25,7 +26,14 @@ void spiInit() {
   UC0IE |= UCB0RXIE;
 
   cmd = SOUND_IDLE;
-  schAdd(spiCmdHandler, NULL, 0, 100);
+  schAdd(spiCmdHandler, NULL, 0, 5);
 }
 
+void spiCommandDispatcher() {
+  cmd &= ~SOUND_COMMAND;
 
+  if (cmd & SOUND_SUBCMD_AMPLITUDE) {
+    cmd &= ~SOUND_SUBCMD_AMPLITUDE;
+    configSetAmplitude(cmd);
+  }
+}