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-rw-r--r--libraries/Robot_Control/Squawk.h265
1 files changed, 0 insertions, 265 deletions
diff --git a/libraries/Robot_Control/Squawk.h b/libraries/Robot_Control/Squawk.h
deleted file mode 100644
index 3481acf..0000000
--- a/libraries/Robot_Control/Squawk.h
+++ /dev/null
@@ -1,265 +0,0 @@
-// Squawk Soft-Synthesizer Library for Arduino
-//
-// Davey Taylor 2013
-// d.taylor@arduino.cc
-
-#ifndef _SQUAWK_H_
-#define _SQUAWK_H_
-#include <stddef.h>
-#include <inttypes.h>
-#include "Arduino.h"
-
-#define Melody const uint8_t PROGMEM
-
-class SquawkStream {
- public:
- virtual ~SquawkStream() = 0;
- virtual uint8_t read() = 0;
- virtual void seek(size_t offset) = 0;
-};
-inline SquawkStream::~SquawkStream() { }
-
-class SquawkSynth {
-
-protected:
- // Load and play specified melody
- void play(SquawkStream *melody);
-
-public:
- SquawkSynth() {};
-
- // Initialize Squawk to generate samples at sample_rate Hz
- void begin(uint16_t sample_rate);
-
- // Load and play specified melody
- // melody needs to point to PROGMEM data
- void play(const uint8_t *melody);
-
- // Resume currently loaded melody (or enable direct osc manipulation by sketch)
- void play();
-
- // Pause playback
- void pause();
-
- // Stop playback (unloads song)
- void stop();
-
- // Tune Squawk to a different frequency - default is 1.0
- void tune(float tuning);
-
- // Change the tempo - default is 50
- void tempo(uint16_t tempo);
-};
-
-extern SquawkSynth Squawk;
-
-// oscillator structure
-typedef struct {
- uint8_t vol;
- uint16_t freq;
- uint16_t phase;
-} osc_t;
-
-typedef osc_t Oscillator;
-
-// oscillator memory
-extern osc_t osc[4];
-extern uint8_t pcm;
-// channel 0 is pulse wave @ 25% duty
-// channel 1 is square wave
-// channel 2 is triangle wave
-// channel 3 is noise
-
-// For channel 3, freq is used as part of its LFSR and should not be changed.
-// LFSR: Linear feedback shift register, a method of producing a
-// pseudo-random bit sequence, used to generate nasty noise.
-
-#ifdef __AVR_ATmega32U4__
-// Supported configurations for ATmega32U4
-#define SQUAWK_PWM_PIN5 OCR3AL
-#define SQUAWK_PWM_PIN11 OCR0A
-#define SQUAWK_PWM_PIN3 OCR0B
-/*
-// NOT SUPPORTED YET
-#define SQUAWK_PWM_PIN6 OCR4D
-#define SQUAWK_PWM_PIN9 OCR4B
-#define SQUAWK_PWM_PIN10 OCR4B
-*/
-#endif
-
-#ifdef __AVR_ATmega168__
-// Supported configurations for ATmega168
-#define SQUAWK_PWM_PIN6 OCR0A
-#define SQUAWK_PWM_PIN5 OCR0B
-#define SQUAWK_PWM_PIN11 OCR2A
-#define SQUAWK_PWM_PIN3 OCR2B
-#endif
-
-#ifdef __AVR_ATmega328P__
-// Supported configurations for ATmega328P
-#define SQUAWK_PWM_PIN6 OCR0A
-#define SQUAWK_PWM_PIN5 OCR0B
-#define SQUAWK_PWM_PIN11 OCR2A
-#define SQUAWK_PWM_PIN3 OCR2B
-#endif
-
-/*
-// NOT SUPPORTED YET
-#define SQUAWK_SPI SPDR
-#define SQUAWK_RLD_PORTB PORTB
-#define SQUAWK_RLD_PORTC PORTC
-*/
-
-extern void squawk_playroutine() asm("squawk_playroutine");
-
-// SAMPLE GRINDER
-// generates samples and updates oscillators
-// uses 132 cycles (not counting playroutine)
-// ~1/3 CPU @ 44kHz on 16MHz
-#define SQUAWK_CONSTRUCT_ISR(TARGET_REGISTER) \
-uint16_t cia, cia_count; \
-intptr_t squawk_register = (intptr_t)&TARGET_REGISTER; \
-ISR(TIMER1_COMPA_vect, ISR_NAKED) { \
- asm volatile( \
- "push r2 " "\n\t" \
- "in r2, __SREG__ " "\n\t" \
- "push r18 " "\n\t" \
- "push r27 " "\n\t" \
- "push r26 " "\n\t" \
- "push r0 " "\n\t" \
- "push r1 " "\n\t" \
-\
- "lds r18, osc+2*%[mul]+%[fre] " "\n\t" \
- "lds r0, osc+2*%[mul]+%[pha] " "\n\t" \
- "add r0, r18 " "\n\t" \
- "sts osc+2*%[mul]+%[pha], r0 " "\n\t" \
- "lds r18, osc+2*%[mul]+%[fre]+1" "\n\t" \
- "lds r1, osc+2*%[mul]+%[pha]+1" "\n\t" \
- "adc r1, r18 " "\n\t" \
- "sts osc+2*%[mul]+%[pha]+1, r1 " "\n\t" \
-\
- "mov r27, r1 " "\n\t" \
- "sbrc r27, 7 " "\n\t" \
- "com r27 " "\n\t" \
- "lsl r27 " "\n\t" \
- "lds r26, osc+2*%[mul]+%[vol] " "\n\t" \
- "subi r27, 128 " "\n\t" \
- "muls r27, r26 " "\n\t" \
- "lsl r1 " "\n\t" \
- "mov r26, r1 " "\n\t" \
-\
- "lds r18, osc+0*%[mul]+%[fre] " "\n\t" \
- "lds r0, osc+0*%[mul]+%[pha] " "\n\t" \
- "add r0, r18 " "\n\t" \
- "sts osc+0*%[mul]+%[pha], r0 " "\n\t" \
- "lds r18, osc+0*%[mul]+%[fre]+1" "\n\t" \
- "lds r1, osc+0*%[mul]+%[pha]+1" "\n\t" \
- "adc r1, r18 " "\n\t" \
- "sts osc+0*%[mul]+%[pha]+1, r1 " "\n\t" \
-\
- "mov r18, r1 " "\n\t" \
- "lsl r18 " "\n\t" \
- "and r18, r1 " "\n\t" \
- "lds r27, osc+0*%[mul]+%[vol] " "\n\t" \
- "sbrc r18, 7 " "\n\t" \
- "neg r27 " "\n\t" \
- "add r26, r27 " "\n\t" \
-\
- "lds r18, osc+1*%[mul]+%[fre] " "\n\t" \
- "lds r0, osc+1*%[mul]+%[pha] " "\n\t" \
- "add r0, r18 " "\n\t" \
- "sts osc+1*%[mul]+%[pha], r0 " "\n\t" \
- "lds r18, osc+1*%[mul]+%[fre]+1" "\n\t" \
- "lds r1, osc+1*%[mul]+%[pha]+1" "\n\t" \
- "adc r1, r18 " "\n\t" \
- "sts osc+1*%[mul]+%[pha]+1, r1 " "\n\t" \
-\
- "lds r27, osc+1*%[mul]+%[vol] " "\n\t" \
- "sbrc r1, 7 " "\n\t" \
- "neg r27 " "\n\t" \
- "add r26, r27 " "\n\t" \
-\
- "ldi r27, 1 " "\n\t" \
- "lds r0, osc+3*%[mul]+%[fre] " "\n\t" \
- "lds r1, osc+3*%[mul]+%[fre]+1" "\n\t" \
- "add r0, r0 " "\n\t" \
- "adc r1, r1 " "\n\t" \
- "sbrc r1, 7 " "\n\t" \
- "eor r0, r27 " "\n\t" \
- "sbrc r1, 6 " "\n\t" \
- "eor r0, r27 " "\n\t" \
- "sts osc+3*%[mul]+%[fre], r0 " "\n\t" \
- "sts osc+3*%[mul]+%[fre]+1, r1 " "\n\t" \
-\
- "lds r27, osc+3*%[mul]+%[vol] " "\n\t" \
- "sbrc r1, 7 " "\n\t" \
- "neg r27 " "\n\t" \
- "add r26, r27 " "\n\t" \
-\
- "lds r27, pcm " "\n\t" \
- "add r26, r27 " "\n\t" \
- "sts %[reg], r26 " "\n\t" \
-\
- "lds r27, cia_count+1 " "\n\t" \
- "lds r26, cia_count " "\n\t" \
- "sbiw r26, 1 " "\n\t" \
- "breq call_playroutine " "\n\t" \
- "sts cia_count+1, r27 " "\n\t" \
- "sts cia_count, r26 " "\n\t" \
- "pop r1 " "\n\t" \
- "pop r0 " "\n\t" \
- "pop r26 " "\n\t" \
- "pop r27 " "\n\t" \
- "pop r18 " "\n\t" \
- "out __SREG__, r2 " "\n\t" \
- "pop r2 " "\n\t" \
- "reti " "\n\t" \
- "call_playroutine: " "\n\t" \
-\
- "lds r27, cia+1 " "\n\t" \
- "lds r26, cia " "\n\t" \
- "sts cia_count+1, r27 " "\n\t" \
- "sts cia_count, r26 " "\n\t" \
-\
- "sei " "\n\t" \
- "push r19 " "\n\t" \
- "push r20 " "\n\t" \
- "push r21 " "\n\t" \
- "push r22 " "\n\t" \
- "push r23 " "\n\t" \
- "push r24 " "\n\t" \
- "push r25 " "\n\t" \
- "push r30 " "\n\t" \
- "push r31 " "\n\t" \
-\
- "clr r1 " "\n\t" \
- "call squawk_playroutine " "\n\t" \
-\
- "pop r31 " "\n\t" \
- "pop r30 " "\n\t" \
- "pop r25 " "\n\t" \
- "pop r24 " "\n\t" \
- "pop r23 " "\n\t" \
- "pop r22 " "\n\t" \
- "pop r21 " "\n\t" \
- "pop r20 " "\n\t" \
- "pop r19 " "\n\t" \
-\
- "pop r1 " "\n\t" \
- "pop r0 " "\n\t" \
- "pop r26 " "\n\t" \
- "pop r27 " "\n\t" \
- "pop r18 " "\n\t" \
- "out __SREG__, r2 " "\n\t" \
- "pop r2 " "\n\t" \
- "reti " "\n\t" \
- : \
- : [reg] "M" _SFR_MEM_ADDR(TARGET_REGISTER), \
- [mul] "M" (sizeof(Oscillator)), \
- [pha] "M" (offsetof(Oscillator, phase)), \
- [fre] "M" (offsetof(Oscillator, freq)), \
- [vol] "M" (offsetof(Oscillator, vol)) \
- ); \
-}
-
-#endif \ No newline at end of file
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-22 07:17:06 +0000