parasiTstudio
/
BALibrary_parasitstudio
forked from wirtz/BALibrary
3
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Rewrote BAAudioEffectDelayExternal, renamed some examples

Browse Source
master
Steve Lascos 7 years ago
parent 80bb07abdf
commit 2ab66f50b0
8 changed files with 139 additions and 238 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 0
      examples/0_TGA_Pro_TRY_FIRST/TGA_Pro_nolib_demo.ino
  2. 0
      examples/1_TGA_Pro_demo/SerialMonitorResults.txt
  3. 0
      examples/1_TGA_Pro_demo/TGA_Pro_demo.ino
  4. 0
      examples/2_TGA_Pro_1MEM/TGA_Pro_1MEM.ino
  5. 0
      examples/3_TGA_Pro_2MEM/TGA_Pro_2MEM.ino
  6. 0
      examples/4_TGA_Pro_delay_reverb/TGA_Pro_delay_reverb.ino
  7. 296
      src/BAAudioEffectDelayExternal.cpp
  8. 79
      src/BAAudioEffectDelayExternal.h

0
examples/TGA_Pro_nolib_demo/TGA_Pro_nolib_demo.ino → examples/0_TGA_Pro_TRY_FIRST/TGA_Pro_nolib_demo.ino
Unescape View File

0
examples/TGA_Pro_demo/SerialMonitorResults.txt → examples/1_TGA_Pro_demo/SerialMonitorResults.txt
Unescape View File

0
examples/TGA_Pro_demo/TGA_Pro_demo.ino → examples/1_TGA_Pro_demo/TGA_Pro_demo.ino
Unescape View File

0
examples/TGA_Pro_1MEM/TGA_Pro_1MEM.ino → examples/2_TGA_Pro_1MEM/TGA_Pro_1MEM.ino
Unescape View File

0
examples/TGA_Pro_2MEM/TGA_Pro_2MEM.ino → examples/3_TGA_Pro_2MEM/TGA_Pro_2MEM.ino
Unescape View File

0
examples/TGA_Pro_delay_reverb/TGA_Pro_delay_reverb.ino → examples/4_TGA_Pro_delay_reverb/TGA_Pro_delay_reverb.ino
Unescape View File

296
src/BAAudioEffectDelayExternal.cpp
Unescape View File

@ -22,62 +22,53 @@
namespace BAGuitar {
/* Audio Library for Teensy 3.X
* Copyright (c) 2014, Paul Stoffregen, paul@pjrc.com
*
* Development of this audio library was funded by PJRC.COM, LLC by sales of
* Teensy and Audio Adaptor boards. Please support PJRC's efforts to develop
* open source software by purchasing Teensy or other PJRC products.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice, development funding notice, and this permission
* notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
//#include "effect_delay_ext.h"
//#define INTERNAL_TEST
// While 20 MHz (Teensy actually uses 16 MHz in most cases) and even 24 MHz
// have worked well in testing at room temperature with 3.3V power, to fully
// meet all the worst case timing specs, the SPI clock low time would need
// to be 40ns (12.5 MHz clock) for the single chip case and 51ns (9.8 MHz
// clock) for the 6-chip memoryboard with 74LCX126 buffers.
//
// Timing analysis and info is here:
// https://forum.pjrc.com/threads/29276-Limits-of-delay-effect-in-audio-library?p=97506&viewfull=1#post97506
#define SPISETTING SPISettings(20000000, MSBFIRST, SPI_MODE0)
// Use these with the audio adaptor board (should be adjustable by the user...)
//#define SPIRAM_MOSI_PIN 7
//#define SPIRAM_MISO_PIN 12
//#define SPIRAM_SCK_PIN 14
//
//#define SPIRAM_CS_PIN 6
struct MemSpiConfig {
unsigned mosiPin;
unsigned misoPin;
unsigned sckPin;
unsigned csPin;
unsigned memSize;
};
constexpr MemSpiConfig Mem0Config = {7, 8, 14, 15, 65536 };
constexpr MemSpiConfig Mem1Config = {21, 5, 20, 31, 65536 };
// Use with TGA Pro
#define SPIRAM_MOSI_PIN 7
#define SPIRAM_MISO_PIN 8
#define SPIRAM_SCK_PIN 14
#define SPIRAM_CS_PIN 15
BAAudioEffectDelayExternal::BAAudioEffectDelayExternal()
: AudioStream(1, inputQueueArray)
{
initialize(MemSelect::MEM0, Mem0Config.memSize);
}
BAAudioEffectDelayExternal::BAAudioEffectDelayExternal(MemSelect mem, float milliseconds)
: AudioStream(1, inputQueueArray)
{
uint32_t n = (milliseconds*(AUDIO_SAMPLE_RATE_EXACT/1000.0f))+0.5f;
initialize(mem, n);
}
#define MEMBOARD_CS0_PIN 2
#define MEMBOARD_CS1_PIN 3
#define MEMBOARD_CS2_PIN 4
void BAAudioEffectDelayExternal::delay(uint8_t channel, float milliseconds) {
if (channel >= 8) return;
if (milliseconds < 0.0) milliseconds = 0.0;
uint32_t n = (milliseconds*(AUDIO_SAMPLE_RATE_EXACT/1000.0f))+0.5f;
n += AUDIO_BLOCK_SAMPLES;
if (n > memory_length - AUDIO_BLOCK_SAMPLES)
n = memory_length - AUDIO_BLOCK_SAMPLES;
delay_length[channel] = n;
uint8_t mask = activemask;
if (activemask == 0) AudioStartUsingSPI();
activemask = mask | (1<<channel);
}
void BAAudioEffectDelayExternal::disable(uint8_t channel) {
if (channel >= 8) return;
uint8_t mask = activemask & ~(1<<channel);
activemask = mask;
if (mask == 0) AudioStopUsingSPI();
}
void BAAudioEffectDelayExternal::update(void)
{
@ -86,11 +77,7 @@ void BAAudioEffectDelayExternal::update(void)
// grab incoming data and put it into the memory
block = receiveReadOnly();
if (memory_type >= BA_AUDIO_MEMORY_UNDEFINED) {
// ignore input and do nothing if undefined memory type
release(block);
return;
}
if (block) {
if (head_offset + AUDIO_BLOCK_SAMPLES <= memory_length) {
// a single write is enough
@ -145,123 +132,101 @@ void BAAudioEffectDelayExternal::update(void)
uint32_t BAAudioEffectDelayExternal::allocated[2] = {0, 0};
void BAAudioEffectDelayExternal::initialize(BAAudioEffectDelayMemoryType_t type, uint32_t samples)
void BAAudioEffectDelayExternal::initialize(MemSelect mem, uint32_t samples)
{
uint32_t memsize, avail;
activemask = 0;
head_offset = 0;
memory_type = type;
SPI.setMOSI(SPIRAM_MOSI_PIN);
SPI.setMISO(SPIRAM_MISO_PIN);
SPI.setSCK(SPIRAM_SCK_PIN);
SPI.begin();
if (type == BA_AUDIO_MEMORY_23LC1024) {
#ifdef INTERNAL_TEST
memsize = 8000;
#else
memsize = 65536;
#endif
pinMode(SPIRAM_CS_PIN, OUTPUT);
digitalWriteFast(SPIRAM_CS_PIN, HIGH);
} else if (type == BA_AUDIO_MEMORY_MEMORYBOARD) {
memsize = 393216;
pinMode(MEMBOARD_CS0_PIN, OUTPUT);
pinMode(MEMBOARD_CS1_PIN, OUTPUT);
pinMode(MEMBOARD_CS2_PIN, OUTPUT);
digitalWriteFast(MEMBOARD_CS0_PIN, LOW);
digitalWriteFast(MEMBOARD_CS1_PIN, LOW);
digitalWriteFast(MEMBOARD_CS2_PIN, LOW);
} else if (type == BA_AUDIO_MEMORY_CY15B104) {
#ifdef INTERNAL_TEST
memsize = 8000;
#else
memsize = 262144;
#endif
pinMode(SPIRAM_CS_PIN, OUTPUT);
digitalWriteFast(SPIRAM_CS_PIN, HIGH);
memsize = 65536;
m_mem = mem;
} else {
return;
switch (mem) {
case MemSelect::MEM0 :
{
m_misoPin = Mem0Config.misoPin;
m_mosiPin = Mem0Config.mosiPin;
m_sckPin = Mem0Config.sckPin;
m_csPin = Mem0Config.csPin;
SPI.setMOSI(m_mosiPin);
SPI.setMISO(m_misoPin);
SPI.setSCK(m_sckPin);
SPI.begin();
break;
}
avail = memsize - allocated[type];
if (avail < AUDIO_BLOCK_SAMPLES*2+1) {
memory_type = BA_AUDIO_MEMORY_UNDEFINED;
return;
case MemSelect::MEM1 :
m_misoPin = Mem1Config.misoPin;
m_mosiPin = Mem1Config.mosiPin;
m_sckPin = Mem1Config.sckPin;
m_csPin = Mem1Config.csPin;
SPI1.setMOSI(m_mosiPin);
SPI1.setMISO(m_misoPin);
SPI1.setSCK(m_sckPin);
SPI1.begin();
break;
}
pinMode(m_csPin, OUTPUT);
digitalWriteFast(m_csPin, HIGH);
avail = memsize - allocated[mem];
if (samples > avail) samples = avail;
memory_begin = allocated[type];
allocated[type] += samples;
memory_begin = allocated[mem];
allocated[mem] += samples;
memory_length = samples;
zero(0, memory_length);
}
#ifdef INTERNAL_TEST
static int16_t testmem[8000]; // testing only
#endif
void BAAudioEffectDelayExternal::read(uint32_t offset, uint32_t count, int16_t *data)
{
uint32_t addr = memory_begin + offset;
addr *= 2;
#ifdef INTERNAL_TEST
while (count) { *data++ = testmem[addr++]; count--; } // testing only
#else
if (memory_type == BA_AUDIO_MEMORY_23LC1024 ||
memory_type == BA_AUDIO_MEMORY_CY15B104) {
addr *= 2;
switch(m_mem) {
case MemSelect::MEM0 :
SPI.beginTransaction(SPISETTING);
digitalWriteFast(SPIRAM_CS_PIN, LOW);
digitalWriteFast(m_csPin, LOW);
SPI.transfer16((0x03 << 8) | (addr >> 16));
SPI.transfer16(addr & 0xFFFF);
while (count) {
*data++ = (int16_t)(SPI.transfer16(0));
count--;
}
digitalWriteFast(SPIRAM_CS_PIN, HIGH);
digitalWriteFast(m_csPin, HIGH);
SPI.endTransaction();
} else if (memory_type == BA_AUDIO_MEMORY_MEMORYBOARD) {
SPI.beginTransaction(SPISETTING);
break;
case MemSelect::MEM1 :
SPI1.beginTransaction(SPISETTING);
digitalWriteFast(m_csPin, LOW);
SPI1.transfer16((0x03 << 8) | (addr >> 16));
SPI1.transfer16(addr & 0xFFFF);
while (count) {
uint32_t chip = (addr >> 16) + 1;
digitalWriteFast(MEMBOARD_CS0_PIN, chip & 1);
digitalWriteFast(MEMBOARD_CS1_PIN, chip & 2);
digitalWriteFast(MEMBOARD_CS2_PIN, chip & 4);
uint32_t chipaddr = (addr & 0xFFFF) << 1;
SPI.transfer16((0x03 << 8) | (chipaddr >> 16));
SPI.transfer16(chipaddr & 0xFFFF);
uint32_t num = 0x10000 - (addr & 0xFFFF);
if (num > count) num = count;
count -= num;
addr += num;
do {
*data++ = (int16_t)(SPI.transfer16(0));
} while (--num > 0);
*data++ = (int16_t)(SPI1.transfer16(0));
count--;
}
digitalWriteFast(MEMBOARD_CS0_PIN, LOW);
digitalWriteFast(MEMBOARD_CS1_PIN, LOW);
digitalWriteFast(MEMBOARD_CS2_PIN, LOW);
SPI.endTransaction();
digitalWriteFast(m_csPin, HIGH);
SPI1.endTransaction();
break;
}
#endif
}
void BAAudioEffectDelayExternal::write(uint32_t offset, uint32_t count, const int16_t *data)
{
uint32_t addr = memory_begin + offset;
#ifdef INTERNAL_TEST
while (count) { testmem[addr++] = *data++; count--; } // testing only
#else
if (memory_type == BA_AUDIO_MEMORY_23LC1024) {
switch(m_mem) {
case MemSelect::MEM0 :
addr *= 2;
SPI.beginTransaction(SPISETTING);
digitalWriteFast(SPIRAM_CS_PIN, LOW);
digitalWriteFast(m_csPin, LOW);
SPI.transfer16((0x02 << 8) | (addr >> 16));
SPI.transfer16(addr & 0xFFFF);
while (count) {
@ -270,53 +235,34 @@ void BAAudioEffectDelayExternal::write(uint32_t offset, uint32_t count, const in
SPI.transfer16(w);
count--;
}
digitalWriteFast(SPIRAM_CS_PIN, HIGH);
digitalWriteFast(m_csPin, HIGH);
SPI.endTransaction();
} else if (memory_type == BA_AUDIO_MEMORY_CY15B104) {
break;
case MemSelect::MEM1 :
addr *= 2;
SPI.beginTransaction(SPISETTING);
digitalWriteFast(SPIRAM_CS_PIN, LOW);
SPI.transfer(0x06); //write-enable before every write
digitalWriteFast(SPIRAM_CS_PIN, HIGH);
asm volatile ("NOP\n NOP\n NOP\n NOP\n NOP\n NOP\n");
digitalWriteFast(SPIRAM_CS_PIN, LOW);
SPI.transfer16((0x02 << 8) | (addr >> 16));
SPI.transfer16(addr & 0xFFFF);
SPI1.beginTransaction(SPISETTING);
digitalWriteFast(m_csPin, LOW);
SPI1.transfer16((0x02 << 8) | (addr >> 16));
SPI1.transfer16(addr & 0xFFFF);
while (count) {
int16_t w = 0;
if (data) w = *data++;
SPI.transfer16(w);
SPI1.transfer16(w);
count--;
}
digitalWriteFast(SPIRAM_CS_PIN, HIGH);
SPI.endTransaction();
} else if (memory_type == BA_AUDIO_MEMORY_MEMORYBOARD) {
SPI.beginTransaction(SPISETTING);
while (count) {
uint32_t chip = (addr >> 16) + 1;
digitalWriteFast(MEMBOARD_CS0_PIN, chip & 1);
digitalWriteFast(MEMBOARD_CS1_PIN, chip & 2);
digitalWriteFast(MEMBOARD_CS2_PIN, chip & 4);
uint32_t chipaddr = (addr & 0xFFFF) << 1;
SPI.transfer16((0x02 << 8) | (chipaddr >> 16));
SPI.transfer16(chipaddr & 0xFFFF);
uint32_t num = 0x10000 - (addr & 0xFFFF);
if (num > count) num = count;
count -= num;
addr += num;
do {
int16_t w = 0;
if (data) w = *data++;
SPI.transfer16(w);
} while (--num > 0);
}
digitalWriteFast(MEMBOARD_CS0_PIN, LOW);
digitalWriteFast(MEMBOARD_CS1_PIN, LOW);
digitalWriteFast(MEMBOARD_CS2_PIN, LOW);
SPI.endTransaction();
digitalWriteFast(m_csPin, HIGH);
SPI1.endTransaction();
break;
}
#endif
}
///////////////////////////////////////////////////////////////////
// PRIVATE METHODS
///////////////////////////////////////////////////////////////////
void BAAudioEffectDelayExternal::zero(uint32_t address, uint32_t count) {
write(address, count, NULL);
}
} /* namespace BAGuitar */

79
src/BAAudioEffectDelayExternal.h
Unescape View File

@ -12,90 +12,45 @@
namespace BAGuitar {
/* Audio Library for Teensy 3.X
* Copyright (c) 2014, Paul Stoffregen, paul@pjrc.com
*
* Development of this audio library was funded by PJRC.COM, LLC by sales of
* Teensy and Audio Adaptor boards. Please support PJRC's efforts to develop
* open source software by purchasing Teensy or other PJRC products.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice, development funding notice, and this permission
* notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "Arduino.h"
#include "AudioStream.h"
#include "spi_interrupt.h"
enum BAAudioEffectDelayMemoryType_t {
BA_AUDIO_MEMORY_23LC1024 = 0, // 128k x 8 S-RAM
BA_AUDIO_MEMORY_MEMORYBOARD = 1,
BA_AUDIO_MEMORY_CY15B104 = 2, // 512k x 8 F-RAM
BA_AUDIO_MEMORY_UNDEFINED = 3
enum MemSelect {
MEM0,
MEM1,
};
class BAAudioEffectDelayExternal : public AudioStream
{
public:
BAAudioEffectDelayExternal() : AudioStream(1, inputQueueArray) {
initialize(BA_AUDIO_MEMORY_23LC1024, 65536);
}
BAAudioEffectDelayExternal(BAAudioEffectDelayMemoryType_t type, float milliseconds=1e6)
: AudioStream(1, inputQueueArray) {
uint32_t n = (milliseconds*(AUDIO_SAMPLE_RATE_EXACT/1000.0f))+0.5f;
initialize(type, n);
}
BAAudioEffectDelayExternal();
BAAudioEffectDelayExternal(MemSelect type, float milliseconds=1e6);
void delay(uint8_t channel, float milliseconds) {
if (channel >= 8 || memory_type >= BA_AUDIO_MEMORY_UNDEFINED) return;
if (milliseconds < 0.0) milliseconds = 0.0;
uint32_t n = (milliseconds*(AUDIO_SAMPLE_RATE_EXACT/1000.0f))+0.5f;
n += AUDIO_BLOCK_SAMPLES;
if (n > memory_length - AUDIO_BLOCK_SAMPLES)
n = memory_length - AUDIO_BLOCK_SAMPLES;
delay_length[channel] = n;
uint8_t mask = activemask;
if (activemask == 0) AudioStartUsingSPI();
activemask = mask | (1<<channel);
}
void disable(uint8_t channel) {
if (channel >= 8) return;
uint8_t mask = activemask & ~(1<<channel);
activemask = mask;
if (mask == 0) AudioStopUsingSPI();
}
void delay(uint8_t channel, float milliseconds);
void disable(uint8_t channel);
virtual void update(void);
private:
void initialize(BAAudioEffectDelayMemoryType_t type, uint32_t samples);
void initialize(MemSelect mem, uint32_t samples);
void read(uint32_t address, uint32_t count, int16_t *data);
void write(uint32_t address, uint32_t count, const int16_t *data);
void zero(uint32_t address, uint32_t count) {
write(address, count, NULL);
}
void zero(uint32_t address, uint32_t count);
uint32_t memory_begin; // the first address in the memory we're using
uint32_t memory_length; // the amount of memory we're using
uint32_t head_offset; // head index (incoming) data into external memory
uint32_t delay_length[8]; // # of sample delay for each channel (128 = no delay)
uint8_t activemask; // which output channels are active
uint8_t memory_type; // 0=23LC1024, 1=Frank's Memoryboard
//uint8_t memory_type; // 0=23LC1024, 1=Frank's Memoryboard
static uint32_t allocated[2];
audio_block_t *inputQueueArray[1];
MemSelect m_mem;
int m_misoPin;
int m_mosiPin;
int m_sckPin;
int m_csPin;
};

Write Preview
Loading…
Cancel
Save