wirtz
/
OpenAudio_ArduinoLibrary
mirror of https://github.com/chipaudette/OpenAudio_ArduinoLibrary.git
1
0
Fork 0
Code Issues Releases Wiki Activity

delete control_tlv320aic3206. it conflicts with teensy audio library

Browse Source
pull/8/merge^2
jcj83429 5 years ago
parent 81492cc5ac
commit 47bc5804eb
3 changed files with 0 additions and 559 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. 1
      OpenAudio_ArduinoLibrary.h
  2. 500
      control_tlv320aic3206.cpp
  3. 58
      control_tlv320aic3206.h

1
OpenAudio_ArduinoLibrary.h
Unescape View File

@ -1,7 +1,6 @@
#include <AudioStream_F32.h> #include <AudioStream_F32.h>
#include <AudioControlSGTL5000_Extended.h> #include <AudioControlSGTL5000_Extended.h>
#include <control_tlv320aic3206.h>
#include "AudioCalcEnvelope_F32.h" #include "AudioCalcEnvelope_F32.h"
#include "AudioCalcGainWDRC_F32.h" #include "AudioCalcGainWDRC_F32.h"
#include "AudioConfigFIRFilterBank_F32.h" #include "AudioConfigFIRFilterBank_F32.h"

500
control_tlv320aic3206.cpp
Unescape View File

@ -1,500 +0,0 @@
/*
control_tlv320aic3206
Created: Brendan Flynn (http://www.flexvoltbiosensor.com/) for Tympan, Jan-Feb 2017
Purpose: Control module for Texas Instruments TLV320AIC3206 compatible with Teensy Audio Library
License: MIT License. Use at your own risk.
*/
#include "control_tlv320aic3206.h"
#include <Wire.h>
//******************************** Constants *******************************//
#define AIC3206_I2C_ADDR 0x18
#ifndef AIC_FS
# define AIC_FS 44100UL
#endif
#define AIC_BITS 16
#define AIC_I2S_SLAVE 1
#if AIC_I2S_SLAVE
// Direction of BCLK and WCLK (reg 27) is input if a slave:
# define AIC_CLK_DIR 0
#else
// If master, make outputs:
# define AIC_CLK_DIR 0x0C
#endif
//#ifndef AIC_CODEC_CLKIN_BCLK
//# define AIC_CODEC_CLKIN_BCLK 0
//#endif
//**************************** Clock Setup **********************************//
//********************************** 44100 *********************************//
#if AIC_FS == 44100
// MCLK = 180000000 * 16 / 255 = 11.294117 MHz // FROM TEENSY, FIXED
// PLL setup. PLL_OUT = MCLK * R * J.D / P
//// J.D = 7.5264, P = 1, R = 1 => 90.32 MHz // FROM 12MHz CHA AND WHF //
// J.D = 7.9968, P = 1, R = 1 => 90.3168 MHz // For 44.1kHz exact
// J.D = 8.0000000002, P = 1, R = 1 => 9.35294117888MHz // for TEENSY 44.11764706kHz
#define PLL_J 8
#define PLL_D 0
// Bitclock divisor.
// BCLK = DAC_CLK/N = PLL_OUT/NDAC/N = 32*fs or 16*fs
// PLL_OUT = fs*NDAC*MDAC*DOSR
// BLCK = 32*fs = 1411200 = PLL
#if AIC_BITS == 16
#define BCLK_N 8
#elif AIC_BITS == 32
#define BCLK_N 4
#endif
// ADC/DAC FS setup.
// ADC_MOD_CLK = CODEC_CLKIN / (NADC * MADC)
// DAC_MOD_CLK = CODEC_CLKIN / (NDAC * MDAC)
// ADC_FS = PLL_OUT / (NADC*MADC*AOSR)
// DAC_FS = PLL_OUT / (NDAC*MDAC*DOSR)
// FS = 90.3168MHz / (8*2*128) = 44100 Hz.
// MOD = 90.3168MHz / (8*2) = 5644800 Hz
// Actual from Teensy: 44117.64706Hz * 128 => 5647058.82368Hz * 8*2 => 90352941.17888Hz
// DAC clock config.
// Note: MDAC*DOSR/32 >= RC, where RC is 8 for the default filter.
// See Table 2-21
// http://www.ti.com/lit/an/slaa463b/slaa463b.pdf
// PB1 - RC = 8. Use M8, N2
// PB25 - RC = 12. Use M8, N2
#define DOSR 128
#define NDAC 2
#define MDAC 8
#define AOSR 128
#define NADC 2
#define MADC 8
// Signal Processing Modes, Playback and Recording.
#define PRB_P 1
#define PRB_R 1
#endif // end fs if block
//**************************** Chip Setup **********************************//
//******************* INPUT DEFINITIONS *****************************//
// MIC routing registers
#define TYMPAN_MICPGA_LEFT_POSITIVE_REG 0x0134 // page 1 register 52
#define TYMPAN_MICPGA_LEFT_NEGATIVE_REG 0x0136 // page 1 register 54
#define TYMPAN_MICPGA_RIGHT_POSITIVE_REG 0x0137 // page 1 register 55
#define TYMPAN_MICPGA_RIGHT_NEGATIVE_REG 0x0139 // page 1 register 57
#define TYMPAN_MIC_ROUTING_POSITIVE_IN1 0b11000000 //
#define TYMPAN_MIC_ROUTING_POSITIVE_IN2 0b00110000 //
#define TYMPAN_MIC_ROUTING_POSITIVE_IN3 0b00001100 //
#define TYMPAN_MIC_ROUTING_POSITIVE_REVERSE 0b00000011 //
#define TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L 0b11000000 //
#define TYMPAN_MIC_ROUTING_NEGATIVE_IN2_REVERSE 0b00110000 //
#define TYMPAN_MIC_ROUTING_NEGATIVE_IN3_REVERSE 0b00001100 //
#define TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM2L 0b00000011 //
#define TYMPAN_MIC_ROUTING_RESISTANCE_10k 0b01010101
#define TYMPAN_MIC_ROUTING_RESISTANCE_20k 0b10101010
#define TYMPAN_MIC_ROUTING_RESISTANCE_40k 0b11111111
#define TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT TYMPAN_MIC_ROUTING_RESISTANCE_10k
#define TYMPAN_MICPGA_LEFT_VOLUME_REG 0x013B // page 1 register 59 // 0 to 47.5dB in 0.5dB steps
#define TYMPAN_MICPGA_RIGHT_VOLUME_REG 0x013C // page 1 register 60 // 0 to 47.5dB in 0.5dB steps
#define TYMPAN_MICPGA_VOLUME_ENABLE 0x00 // default is 0b11000000 - clear to 0 to enable
#define TYMPAN_MIC_BIAS_REG 0x0133 // page 1 reg 51
#define TYMPAN_MIC_BIAS_POWER_ON 0x40
#define TYMPAN_MIC_BIAS_POWER_OFF 0x00
#define TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_1_25 0x00
#define TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_1_7 0x01
#define TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_2_5 0x10
#define TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_VSUPPLY 0x11
#define TYMPAN_ADC_PROCESSING_BLOCK_REG 0x003d // page 0 register 61
#define TYMPAN_ADC_CHANNEL_POWER_REG 0x0051 // page 0 register81
#define TYMPAN_ADC_CHANNELS_ON 0b11000000 // power up left and right
#define TYMPAN_ADC_MUTE_REG 0x0052 // page 0, register 82
#define TYMPAN_ADC_UNMUTE 0x00
bool AudioControlTLV320AIC3206::enable(void)
{
delay(100);
// Setup for Master mode, pins 18/19, external pullups, 400kHz, 200ms default timeout
Wire.begin();
delay(5);
//hard reset the AIC
//Serial.println("Hardware reset of AIC...");
#define RESET_PIN 21
pinMode(RESET_PIN,OUTPUT);
digitalWrite(RESET_PIN,HIGH);delay(50); //not reset
digitalWrite(RESET_PIN,LOW);delay(50); //reset
digitalWrite(RESET_PIN,HIGH);delay(50);//not reset
aic_reset(); delay(100); //soft reset
aic_init(); delay(100);
aic_initADC(); delay(100);
aic_initDAC(); delay(100);
aic_readPage(0, 27); // check a specific register - a register read test
if (debugToSerial) Serial.println("TLV320 enable done");
return true;
}
bool AudioControlTLV320AIC3206::disable(void) {
return true;
}
//dummy function to keep compatible with Teensy Audio Library
bool AudioControlTLV320AIC3206::inputLevel(float volume) {
return false;
}
bool AudioControlTLV320AIC3206::inputSelect(int n) {
if (n == TYMPAN_INPUT_LINE_IN) {
// USE LINE IN SOLDER PADS
aic_writeAddress(TYMPAN_MICPGA_LEFT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN1 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_LEFT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_RIGHT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN1 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_RIGHT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
// BIAS OFF
setMicBias(TYMPAN_MIC_BIAS_OFF);
if (debugToSerial) Serial.println("Set Audio Input to Line In");
return true;
} else if (n == TYMPAN_INPUT_JACK_AS_MIC) {
// mic-jack = IN3
aic_writeAddress(TYMPAN_MICPGA_LEFT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN3 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_LEFT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_RIGHT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN3 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_RIGHT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
// BIAS on, using default
setMicBias(TYMPAN_DEFAULT_MIC_BIAS);
if (debugToSerial) Serial.println("Set Audio Input to JACK AS MIC, BIAS SET TO DEFAULT 2.5V");
return true;
} else if (n == TYMPAN_INPUT_JACK_AS_LINEIN) {
// 1
// mic-jack = IN3
aic_writeAddress(TYMPAN_MICPGA_LEFT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN3 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_LEFT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_RIGHT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN3 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_RIGHT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
// BIAS Off
setMicBias(TYMPAN_MIC_BIAS_OFF);
if (debugToSerial) Serial.println("Set Audio Input to JACK AS LINEIN, BIAS OFF");
return true;
} else if (n == TYMPAN_INPUT_ON_BOARD_MIC) {
// on-board = IN2
aic_writeAddress(TYMPAN_MICPGA_LEFT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN2 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_LEFT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_RIGHT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN2 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_RIGHT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
// BIAS Off
setMicBias(TYMPAN_MIC_BIAS_OFF);
if (debugToSerial) Serial.println("Set Audio Input to Tympan On-Board MIC, BIAS OFF");
return true;
}
Serial.print("controlTLV320AIC3206: ERROR: Unable to Select Input - Value not supported: ");
Serial.println(n);
return false;
}
bool AudioControlTLV320AIC3206::setMicBias(int n) {
if (n == TYMPAN_MIC_BIAS_1_25) {
aic_writeAddress(TYMPAN_MIC_BIAS_REG, TYMPAN_MIC_BIAS_POWER_ON | TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_1_25); // power up mic bias
return true;
} else if (n == TYMPAN_MIC_BIAS_1_7) {
aic_writeAddress(TYMPAN_MIC_BIAS_REG, TYMPAN_MIC_BIAS_POWER_ON | TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_1_7); // power up mic bias
return true;
} else if (n == TYMPAN_MIC_BIAS_2_5) {
aic_writeAddress(TYMPAN_MIC_BIAS_REG, TYMPAN_MIC_BIAS_POWER_ON | TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_2_5); // power up mic bias
return true;
} else if (n == TYMPAN_MIC_BIAS_VSUPPLY) {
aic_writeAddress(TYMPAN_MIC_BIAS_REG, TYMPAN_MIC_BIAS_POWER_ON | TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_VSUPPLY); // power up mic bias
return true;
} else if (n == TYMPAN_MIC_BIAS_OFF) {
aic_writeAddress(TYMPAN_MIC_BIAS_REG, TYMPAN_MIC_BIAS_POWER_OFF); // power up mic bias
return true;
}
Serial.print("controlTLV320AIC3206: ERROR: Unable to set MIC BIAS - Value not supported: ");
Serial.println(n);
return false;
}
void AudioControlTLV320AIC3206::aic_reset() {
if (debugToSerial) Serial.println("INFO: Reseting AIC");
aic_writePage(0x00, 0x01, 0x01);
// aic_writeAddress(0x0001, 0x01);
delay(10);
}
// example - turn on IN3 - mic jack, with negatives routed to CM1L and with 10k resistance
// aic_writeAddress(TYMPAN_LEFT_MICPGA_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN3 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
// aic_writeAddress(TYMPAN_LEFT_MICPGA_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
// aic_writeAddress(TYMPAN_RIGHT_MICPGA_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN3 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
// aic_writeAddress(TYMPAN_RIGHT_MICPGA_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
void AudioControlTLV320AIC3206::aic_initADC() {
if (debugToSerial) Serial.println("INFO: Initializing AIC ADC");
aic_writeAddress(TYMPAN_ADC_PROCESSING_BLOCK_REG, PRB_R); // processing blocks - ADC
aic_writePage(1, 61, 0); // 0x3D // Select ADC PTM_R4 Power Tune?
aic_writePage(1, 71, 0b00110001); // 0x47 // Set MicPGA startup delay to 3.1ms
aic_writeAddress(TYMPAN_MIC_BIAS_REG, TYMPAN_MIC_BIAS_POWER_ON | TYMPAN_MIC_BIAS_2_5); // power up mic bias
aic_writeAddress(TYMPAN_MICPGA_LEFT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN2 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_LEFT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_RIGHT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN2 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_RIGHT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
aic_writeAddress(TYMPAN_MICPGA_LEFT_VOLUME_REG, TYMPAN_MICPGA_VOLUME_ENABLE); // enable Left MicPGA, set gain to 0 dB
aic_writeAddress(TYMPAN_MICPGA_RIGHT_VOLUME_REG, TYMPAN_MICPGA_VOLUME_ENABLE); // enable Right MicPGA, set gain to 0 dB
aic_writeAddress(TYMPAN_ADC_MUTE_REG, TYMPAN_ADC_UNMUTE); // Unmute Left and Right ADC Digital Volume Control
aic_writeAddress(TYMPAN_ADC_CHANNEL_POWER_REG, TYMPAN_ADC_CHANNELS_ON); // Unmute Left and Right ADC Digital Volume Control
}
// set MICPGA volume, 0-47.5dB in 0.5dB setps
bool AudioControlTLV320AIC3206::setInputGain_dB(float volume) {
if (volume < 0.0) {
volume = 0.0; // 0.0 dB
Serial.println("controlTLV320AIC3206: WARNING: Attempting to set MIC volume outside range");
}
if (volume > 47.5) {
volume = 47.5; // 47.5 dB
Serial.println("controlTLV320AIC3206: WARNING: Attempting to set MIC volume outside range");
}
volume = volume * 2.0; // convert to value map (0.5 dB steps)
int8_t volume_int = (int8_t) (round(volume)); // round
if (debugToSerial) {
Serial.print("INFO: Setting MIC volume to ");
Serial.print(volume, 1);
Serial.print(". Converted to volume map => ");
Serial.println(volume_int);
}
aic_writeAddress(TYMPAN_MICPGA_LEFT_VOLUME_REG, TYMPAN_MICPGA_VOLUME_ENABLE | volume_int); // enable Left MicPGA, set gain to 0 dB
aic_writeAddress(TYMPAN_MICPGA_RIGHT_VOLUME_REG, TYMPAN_MICPGA_VOLUME_ENABLE | volume_int); // enable Right MicPGA, set gain to 0 dB
return true;
}
//******************* OUTPUT DEFINITIONS *****************************//
#define TYMPAN_DAC_PROCESSING_BLOCK_REG 0x003c // page 0 register 60
#define TYMPAN_DAC_VOLUME_LEFT_REG 0x0041 // page 0 reg 65
#define TYMPAN_DAC_VOLUME_RIGHT_REG 0x0042 // page 0 reg 66
//volume control, similar to Teensy Audio Board
// value between 0.0 and 1.0. Set to span -58 to +15 dB
bool AudioControlTLV320AIC3206::volume(float volume) {
volume = max(0.0, min(1.0, volume));
float vol_dB = -58.f + (15.0 - (-58.0f)) * volume;
volume_dB(vol_dB);
return true;
}
// -63.6 to +24 dB in 0.5dB steps. uses signed 8-bit
bool AudioControlTLV320AIC3206::volume_dB(float volume) {
// Constrain to limits
if (volume > 24.0) {
volume = 24.0;
Serial.println("controlTLV320AIC3206: WARNING: Attempting to set DAC Volume outside range");
}
if (volume < -63.5) {
volume = -63.5;
Serial.println("controlTLV320AIC3206: WARNING: Attempting to set DAC Volume outside range");
}
volume = volume * 2.0; // convert to value map (0.5 dB steps)
int8_t volume_int = (int8_t) (round(volume)); // round
if (debugToSerial) {
Serial.print("INFO: Setting DAC volume to ");
Serial.print(volume, 1);
Serial.print(". Converted to volume map => ");
Serial.println(volume_int);
}
aic_writeAddress(TYMPAN_DAC_VOLUME_RIGHT_REG, volume_int);
aic_writeAddress(TYMPAN_DAC_VOLUME_LEFT_REG, volume_int);
return true;
}
void AudioControlTLV320AIC3206::aic_initDAC() {
if (debugToSerial) Serial.println("INFO: Initializing AIC DAC");
// PLAYBACK SETUP
aic_writeAddress(TYMPAN_DAC_PROCESSING_BLOCK_REG, PRB_P); // processing blocks - DAC
//aic_writePage(1, 20, 0x25); // 0x14 De-Pop
aic_writePage(1, 12, 8); // route LDAC/RDAC to HPL/HPR
aic_writePage(1, 13, 8); // route LDAC/RDAC to HPL/HPR
aic_writePage(0, 63, 0xD6); // 0x3F // Power up LDAC/RDAC
// aic_writePage(1, 14, 8); // route LDAC/RDAC to LOL/LOR
// aic_writePage(1, 15, 8); // route LDAC/RDAC to LOL/LOR
aic_writePage(1, 16, 0); // unmute HPL Driver, 0 gain
aic_writePage(1, 17, 0); // unmute HPR Driver, 0 gain
// aic_writePage(1, 18, 0); // unmute LOL Driver, 0 gain
// aic_writePage(1, 19, 0); // unmute LOR Driver, 0 gain
aic_writePage(1, 9, 0x30); // Power up HPL/HPR and LOL/LOR drivers
delay(100);
aic_writeAddress(TYMPAN_DAC_VOLUME_LEFT_REG, 0); // default to 0 dB
aic_writeAddress(TYMPAN_DAC_VOLUME_RIGHT_REG, 0); // default to 0 dB
aic_writePage(0, 64, 0); // 0x40 // Unmute LDAC/RDAC
}
void AudioControlTLV320AIC3206::aic_init() {
if (debugToSerial) Serial.println("INFO: Initializing AIC");
// PLL
aic_writePage(0, 4, 3); // 0x04 low PLL clock range, MCLK is PLL input, PLL_OUT is CODEC_CLKIN
aic_writePage(0, 5, (PLL_J != 0 ? 0x91 : 0x11));
aic_writePage(0, 6, PLL_J);
aic_writePage(0, 7, PLL_D >> 8);
aic_writePage(0, 8, PLL_D &0xFF);
// CLOCKS
aic_writePage(0, 11, 0x80 | NDAC); // 0x0B
aic_writePage(0, 12, 0x80 | MDAC); // 0x0C
aic_writePage(0, 13, 0); // 0x0D
aic_writePage(0, 14, DOSR); // 0x0E
// aic_writePage(0, 18, 0); // 0x12 // powered down, ADC_CLK same as DAC_CLK
// aic_writePage(0, 19, 0); // 0x13 // powered down, ADC_MOD_CLK same as DAC_MOD_CLK
aic_writePage(0, 18, 0x80 | NADC); // 0x12
aic_writePage(0, 19, 0x80 | MADC); // 0x13
aic_writePage(0, 20, AOSR);
aic_writePage(0, 30, 0x80 | BCLK_N); // power up BLCK N Divider, default is 128
// POWER
aic_writePage(1, 1, 8); // 0x01
aic_writePage(1, 2, 0); // 0x02 Enable Master Analog Power Control
aic_writePage(1, 10, 0); // common mode 0.9 for full chip, HP, LO // from WHF/CHA
aic_writePage(1, 71, 0x31); // 0x47 Set input power-up time to 3.1ms (for ADC)
aic_writePage(1, 123, 1); // 0x7B Set reference to power up in 40ms when analog blocks are powered up
//aic_writePage(1, 124, 6); // 0x7D Charge Pump
aic_writePage(1, 125, 0x53); // Enable ground-centered mode, DC offset correction // from WHF/CHA
// !!!!!!!!! The below writes are from WHF/CHA - probably don't need?
// aic_writePage(1, 1, 10); // 0x01 // Charge pump
aic_writePage(0, 27, 0x01 | AIC_CLK_DIR | (AIC_BITS == 32 ? 0x30 : 0)); // 0x1B
// aic_writePage(0, 28, 0); // 0x1C
}
unsigned int AudioControlTLV320AIC3206::aic_readPage(uint8_t page, uint8_t reg)
{
unsigned int val;
if (aic_goToPage(page)) {
Wire.beginTransmission(AIC3206_I2C_ADDR);
Wire.write(reg);
unsigned int result = Wire.endTransmission();
if (result != 0) {
Serial.print("controlTLV320AIC3206: ERROR: Read Page. Page: ");Serial.print(page);
Serial.print(" Reg: ");Serial.print(reg);
Serial.print(". Received Error During Read Page: ");
Serial.println(result);
val = 300 + result;
return val;
}
if (Wire.requestFrom(AIC3206_I2C_ADDR, 1) < 1) {
Serial.print("controlTLV320AIC3206: ERROR: Read Page. Page: ");Serial.print(page);
Serial.print(" Reg: ");Serial.print(reg);
Serial.println(". Nothing to return");
val = 400;
return val;
}
if (Wire.available() >= 1) {
uint16_t val = Wire.read();
if (debugToSerial) {
Serial.print("INFO: Read Page. Page: ");Serial.print(page);
Serial.print(" Reg: ");Serial.print(reg);
Serial.print(". Received: ");
Serial.println(val, HEX);
}
return val;
}
} else {
Serial.print("controlTLV320AIC3206: INFO: Read Page. Page: ");Serial.print(page);
Serial.print(" Reg: ");Serial.print(reg);
Serial.println(". Failed to go to read page. Could not go there.");
val = 500;
return val;
}
val = 600;
return val;
}
bool AudioControlTLV320AIC3206::aic_writeAddress(uint16_t address, uint8_t val) {
uint8_t reg = (uint8_t) (address & 0xFF);
uint8_t page = (uint8_t) ((address >> 8) & 0xFF);
return aic_writePage(page, reg, val);
}
bool AudioControlTLV320AIC3206::aic_writePage(uint8_t page, uint8_t reg, uint8_t val) {
if (debugToSerial) {
Serial.print("INFO: Write Page. Page: ");Serial.print(page);
Serial.print(" Reg: ");Serial.print(reg);
Serial.print(" Val: ");Serial.println(val);
}
if (aic_goToPage(page)) {
Wire.beginTransmission(AIC3206_I2C_ADDR);
Wire.write(reg);delay(10);
Wire.write(val);delay(10);
uint8_t result = Wire.endTransmission();
if (result == 0) return true;
else {
Serial.print("controlTLV320AIC3206: Received Error During writePage(): Error = ");
Serial.println(result);
}
}
return false;
}
bool AudioControlTLV320AIC3206::aic_goToPage(byte page) {
Wire.beginTransmission(AIC3206_I2C_ADDR);
Wire.write(0x00); delay(10);// page register //was delay(10) from BPF
Wire.write(page); delay(10);// go to page //was delay(10) from BPF
byte result = Wire.endTransmission();
if (result != 0) {
Serial.print("controlTLV320AIC3206: Received Error During goToPage(): Error = ");
Serial.println(result);
if (result == 2) {
// failed to transmit address
//return aic_goToPage(page);
} else if (result == 3) {
// failed to transmit data
//return aic_goToPage(page);
}
return false;
}
return true;
}

58
control_tlv320aic3206.h
Unescape View File

@ -1,58 +0,0 @@
/*
control_tlv320aic3206
Created: Brendan Flynn (http://www.flexvoltbiosensor.com/) for Tympan, Jan-Feb 2017
Purpose: Control module for Texas Instruments TLV320AIC3206 compatible with Teensy Audio Library
License: MIT License. Use at your own risk.
*/
#ifndef control_tlv320aic3206_h_
#define control_tlv320aic3206_h_
#include "AudioControl.h"
class AudioControlTLV320AIC3206: public AudioControl
{
public:
//GUI: inputs:0, outputs:0 //this line used for automatic generation of GUI node
AudioControlTLV320AIC3206(void) { debugToSerial = false; };
AudioControlTLV320AIC3206(bool _debugToSerial) { debugToSerial = _debugToSerial; };
bool enable(void);
bool disable(void);
bool volume(float n);
bool volume_dB(float n);
bool inputLevel(float n); //dummy to be compatible with Teensy Audio Library
bool inputSelect(int n);
bool setInputGain_dB(float n);
bool setMicBias(int n);
bool debugToSerial;
private:
void aic_reset(void);
void aic_init(void);
void aic_initDAC(void);
void aic_initADC(void);
unsigned int aic_readPage(uint8_t page, uint8_t reg);
bool aic_writePage(uint8_t page, uint8_t reg, uint8_t val);
bool aic_writeAddress(uint16_t address, uint8_t val);
bool aic_goToPage(uint8_t page);
};
#define TYMPAN_OUTPUT_HEADPHONE_JACK_OUT 1
//convenience names to use with inputSelect() to set whnch analog inputs to use
#define TYMPAN_INPUT_LINE_IN 1 //uses IN1
#define TYMPAN_INPUT_ON_BOARD_MIC 2 //uses IN2 analog inputs
#define TYMPAN_INPUT_JACK_AS_LINEIN 3 //uses IN3 analog inputs
#define TYMPAN_INPUT_JACK_AS_MIC 4 //uses IN3 analog inputs *and* enables mic bias
//names to use with setMicBias() to set the amount of bias voltage to use
#define TYMPAN_MIC_BIAS_OFF 0
#define TYMPAN_MIC_BIAS_1_25 1
#define TYMPAN_MIC_BIAS_1_7 2
#define TYMPAN_MIC_BIAS_2_5 3
#define TYMPAN_MIC_BIAS_VSUPPLY 4
#define TYMPAN_DEFAULT_MIC_BIAS TYMPAN_MIC_BIAS_2_5
#endif
Write Preview
Loading…
Cancel
Save