From fd8c367304fe62a107332db19880c88f9ac0d082 Mon Sep 17 00:00:00 2001 From: Fede85 Date: Wed, 3 Jul 2013 22:00:02 +0200 Subject: SPI library to the new format and moved Robot_Motor and Robot_Control libraries --- libraries/Robot_Control/Squawk.h | 265 --------------------------------------- 1 file changed, 265 deletions(-) delete mode 100644 libraries/Robot_Control/Squawk.h (limited to 'libraries/Robot_Control/Squawk.h') 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 -#include -#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 -- cgit v1.2.3-18-g5258