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/* Extension control files for TLV320AIC3206
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* Copyright (c) 2016, Creare, bpf@creare.com |
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* |
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* |
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*/ |
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#ifndef control_tlv320_h_ |
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#define control_tlv320_h_ |
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#include "AudioControl.h" |
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class AudioControlTLV320AIC3206: public AudioControl |
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{ |
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public: |
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bool enable(void); |
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bool disable(void); |
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bool volume(float n); |
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bool inputLevel(float n); |
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bool inputSelect(int n); |
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bool micGain(float n); |
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bool setMicBias(int n); |
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private: |
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void aic_reset(void); |
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void aic_init(void); |
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void aic_initDAC(void); |
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void aic_initADC(void); |
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unsigned int aic_readPage(uint8_t page, uint8_t reg); |
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bool aic_writePage(uint8_t page, uint8_t reg, uint8_t val); |
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bool aic_writeAddress(uint16_t address, uint8_t val); |
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bool aic_goToPage(uint8_t page); |
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}; |
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#define TYMPAN_OUTPUT_HEADPHONE_JACK_OUT 1 |
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#define TYMPAN_INPUT_LINE_IN 0 |
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#define TYMPAN_INPUT_JACK_AS_MIC 1 |
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#define TYMPAN_INPUT_JACK_AS_LINEIN 2 |
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#define TYMPAN_INPUT_ON_BOARD_MIC 3 |
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#define TYMPAN_MIC_BIAS_OFF 0 |
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#define TYMPAN_MIC_BIAS_1_25 1 |
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#define TYMPAN_MIC_BIAS_1_7 2 |
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#define TYMPAN_MIC_BIAS_2_5 3 |
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#define TYMPAN_MIC_BIAS_VSUPPLY 4 |
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#define TYMPAN_DEFAULT_MIC_BIAS TYMPAN_MIC_BIAS_2_5 |
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#endif |
@ -0,0 +1,472 @@ |
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/* Extension control files for TLV320AIC3206
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* Copyright (c) 2016, Creare, bpf@creare.com |
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* |
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* |
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*/ |
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#include "control_tlv320aic3206.h" |
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#include <Wire.h> |
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//******************************** Constants *******************************//
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#define AIC3206_I2C_ADDR 0x18 |
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#ifndef AIC_FS |
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# define AIC_FS 44100UL |
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#endif |
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#define AIC_BITS 16 |
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#define AIC_I2S_SLAVE 1 |
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#if AIC_I2S_SLAVE |
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// Direction of BCLK and WCLK (reg 27) is input if a slave:
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# define AIC_CLK_DIR 0 |
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#else |
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// If master, make outputs:
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# define AIC_CLK_DIR 0x0C |
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#endif |
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//#ifndef AIC_CODEC_CLKIN_BCLK
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//# define AIC_CODEC_CLKIN_BCLK 0
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//#endif
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//**************************** Clock Setup **********************************//
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//********************************** 44100 *********************************//
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#if AIC_FS == 44100 |
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// MCLK = 180000000 * 16 / 255 = 11.294117 MHz // FROM TEENSY, FIXED
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// PLL setup. PLL_OUT = MCLK * R * J.D / P
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//// J.D = 7.5264, P = 1, R = 1 => 90.32 MHz // FROM 12MHz CHA AND WHF //
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// J.D = 7.9968, P = 1, R = 1 => 90.3168 MHz // For 44.1kHz exact
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// J.D = 8.0000000002, P = 1, R = 1 => 9.35294117888MHz // for TEENSY 44.11764706kHz
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#define PLL_J 8 |
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#define PLL_D 0 |
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// Bitclock divisor.
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// BCLK = DAC_CLK/N = PLL_OUT/NDAC/N = 32*fs or 16*fs
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// PLL_OUT = fs*NDAC*MDAC*DOSR
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// BLCK = 32*fs = 1411200 = PLL
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#if AIC_BITS == 16 |
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#define BCLK_N 8 |
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#elif AIC_BITS == 32 |
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#define BCLK_N 4 |
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#endif |
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// ADC/DAC FS setup.
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// ADC_MOD_CLK = CODEC_CLKIN / (NADC * MADC)
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// DAC_MOD_CLK = CODEC_CLKIN / (NDAC * MDAC)
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// ADC_FS = PLL_OUT / (NADC*MADC*AOSR)
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// DAC_FS = PLL_OUT / (NDAC*MDAC*DOSR)
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// FS = 90.3168MHz / (8*2*128) = 44100 Hz.
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// MOD = 90.3168MHz / (8*2) = 5644800 Hz
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// Actual from Teensy: 44117.64706Hz * 128 => 5647058.82368Hz * 8*2 => 90352941.17888Hz
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// DAC clock config.
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// Note: MDAC*DOSR/32 >= RC, where RC is 8 for the default filter.
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// See Table 2-21
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// http://www.ti.com/lit/an/slaa463b/slaa463b.pdf
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// PB1 - RC = 8. Use M8, N2
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// PB25 - RC = 12. Use M8, N2
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#define DOSR 128 |
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#define NDAC 2 |
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#define MDAC 8 |
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#define AOSR 128 |
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#define NADC 2 |
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#define MADC 8 |
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// Signal Processing Modes, Playback and Recording.
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#define PRB_P 1 |
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#define PRB_R 1 |
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#endif // end fs if block
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//**************************** Chip Setup **********************************//
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//******************* INPUT DEFINITIONS *****************************//
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// MIC routing registers
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#define TYMPAN_MICPGA_LEFT_POSITIVE_REG 0x0134 // page 1 register 52
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#define TYMPAN_MICPGA_LEFT_NEGATIVE_REG 0x0136 // page 1 register 54
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#define TYMPAN_MICPGA_RIGHT_POSITIVE_REG 0x0137 // page 1 register 55
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#define TYMPAN_MICPGA_RIGHT_NEGATIVE_REG 0x0139 // page 1 register 57
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#define TYMPAN_MIC_ROUTING_POSITIVE_IN1 0b11000000 //
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#define TYMPAN_MIC_ROUTING_POSITIVE_IN2 0b00110000 //
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#define TYMPAN_MIC_ROUTING_POSITIVE_IN3 0b00001100 //
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#define TYMPAN_MIC_ROUTING_POSITIVE_REVERSE 0b00000011 //
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#define TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L 0b11000000 //
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#define TYMPAN_MIC_ROUTING_NEGATIVE_IN2_REVERSE 0b00110000 //
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#define TYMPAN_MIC_ROUTING_NEGATIVE_IN3_REVERSE 0b00001100 //
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#define TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM2L 0b00000011 //
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#define TYMPAN_MIC_ROUTING_RESISTANCE_10k 0b01010101 |
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#define TYMPAN_MIC_ROUTING_RESISTANCE_20k 0b10101010 |
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#define TYMPAN_MIC_ROUTING_RESISTANCE_40k 0b11111111 |
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#define TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT TYMPAN_MIC_ROUTING_RESISTANCE_10k |
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#define TYMPAN_MICPGA_LEFT_VOLUME_REG 0x013B // page 1 register 59 // 0 to 47.5dB in 0.5dB steps
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#define TYMPAN_MICPGA_RIGHT_VOLUME_REG 0x013C // page 1 register 60 // 0 to 47.5dB in 0.5dB steps
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#define TYMPAN_MICPGA_VOLUME_ENABLE 0x00 // default is 0b11000000 - clear to 0 to enable
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#define TYMPAN_MIC_BIAS_REG 0x0133 // page 1 reg 51
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#define TYMPAN_MIC_BIAS_POWER_ON 0x40 |
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#define TYMPAN_MIC_BIAS_POWER_OFF 0x00 |
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#define TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_1_25 0x00 |
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#define TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_1_7 0x01 |
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#define TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_2_5 0x10 |
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#define TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_VSUPPLY 0x11 |
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#define TYMPAN_ADC_PROCESSING_BLOCK_REG 0x003d // page 0 register 61
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#define TYMPAN_ADC_CHANNEL_POWER_REG 0x0051 // page 0 register81
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#define TYMPAN_ADC_CHANNELS_ON 0b11000000 // power up left and right
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#define TYMPAN_ADC_MUTE_REG 0x0052 // page 0, register 82
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#define TYMPAN_ADC_UNMUTE 0x00 |
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bool AudioControlTLV320AIC3206::enable(void) |
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{ |
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delay(100); |
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// Setup for Master mode, pins 18/19, external pullups, 400kHz, 200ms default timeout
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Wire.begin(); |
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delay(5); |
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aic_reset(); delay(100); |
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aic_init(); delay(100); |
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aic_initADC(); delay(100); |
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aic_initDAC(); delay(100); |
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aic_readPage(0, 27); // check a specific register - a register read test
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Serial.println("TLV320 enable done"); |
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return true; |
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} |
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bool AudioControlTLV320AIC3206::disable(void) { |
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return true; |
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} |
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bool AudioControlTLV320AIC3206::inputLevel(float volume) { |
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return false; |
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} |
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bool AudioControlTLV320AIC3206::inputSelect(int n) { |
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if (n == TYMPAN_INPUT_LINE_IN) { |
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// USE LINE IN SOLDER PADS
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aic_writeAddress(TYMPAN_MICPGA_LEFT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN1 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_LEFT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_RIGHT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN1 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_RIGHT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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// BIAS OFF
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setMicBias(TYMPAN_MIC_BIAS_OFF); |
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Serial.println("Set Audio Input to Line In"); |
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return true; |
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} else if (n == TYMPAN_INPUT_JACK_AS_MIC) { |
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// mic-jack = IN3
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aic_writeAddress(TYMPAN_MICPGA_LEFT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN3 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_LEFT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_RIGHT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN3 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_RIGHT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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// BIAS on, using default
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setMicBias(TYMPAN_DEFAULT_MIC_BIAS); |
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Serial.println("Set Audio Input to JACK AS MIC, BIAS SET TO DEFAULT 2.5V"); |
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return true; |
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} else if (n == TYMPAN_INPUT_JACK_AS_LINEIN) { |
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// 1
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// mic-jack = IN3
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aic_writeAddress(TYMPAN_MICPGA_LEFT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN3 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_LEFT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_RIGHT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN3 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_RIGHT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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// BIAS Off
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setMicBias(TYMPAN_MIC_BIAS_OFF); |
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Serial.println("Set Audio Input to JACK AS LINEIN, BIAS OFF"); |
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return true; |
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} else if (n == TYMPAN_INPUT_ON_BOARD_MIC) { |
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// on-board = IN2
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aic_writeAddress(TYMPAN_MICPGA_LEFT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN2 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_LEFT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_RIGHT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN2 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_RIGHT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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// BIAS Off
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setMicBias(TYMPAN_MIC_BIAS_OFF); |
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Serial.println("Set Audio Input to Tympan On-Board MIC, BIAS OFF"); |
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return true; |
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} |
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Serial.print("ERROR: Unable to Select Input - Value not supported: "); |
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Serial.println(n); |
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return false; |
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} |
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bool AudioControlTLV320AIC3206::setMicBias(int n) { |
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if (n == TYMPAN_MIC_BIAS_1_25) { |
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aic_writeAddress(TYMPAN_MIC_BIAS_REG, TYMPAN_MIC_BIAS_POWER_ON | TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_1_25); // power up mic bias
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return true; |
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} else if (n == TYMPAN_MIC_BIAS_1_7) { |
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aic_writeAddress(TYMPAN_MIC_BIAS_REG, TYMPAN_MIC_BIAS_POWER_ON | TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_1_7); // power up mic bias
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return true; |
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} else if (n == TYMPAN_MIC_BIAS_2_5) { |
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aic_writeAddress(TYMPAN_MIC_BIAS_REG, TYMPAN_MIC_BIAS_POWER_ON | TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_2_5); // power up mic bias
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return true; |
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} else if (n == TYMPAN_MIC_BIAS_VSUPPLY) { |
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aic_writeAddress(TYMPAN_MIC_BIAS_REG, TYMPAN_MIC_BIAS_POWER_ON | TYMPAN_MIC_BIAS_OUTPUT_VOLTAGE_VSUPPLY); // power up mic bias
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return true; |
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} else if (n == TYMPAN_MIC_BIAS_OFF) { |
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aic_writeAddress(TYMPAN_MIC_BIAS_REG, TYMPAN_MIC_BIAS_POWER_OFF); // power up mic bias
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return true; |
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} |
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Serial.print("ERROR: Unable to set MIC BIAS - Value not supported: "); |
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Serial.println(n); |
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return false; |
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} |
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void AudioControlTLV320AIC3206::aic_reset() { |
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Serial.println("INFO: Reseting AIC"); |
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aic_writePage(0x00, 0x01, 0x01); |
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// aic_writeAddress(0x0001, 0x01);
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delay(10); |
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} |
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// example - turn on IN3 - mic jack, with negatives routed to CM1L and with 10k resistance
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// aic_writeAddress(TYMPAN_LEFT_MICPGA_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN3 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
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// aic_writeAddress(TYMPAN_LEFT_MICPGA_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
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// aic_writeAddress(TYMPAN_RIGHT_MICPGA_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN3 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
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// aic_writeAddress(TYMPAN_RIGHT_MICPGA_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT);
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void AudioControlTLV320AIC3206::aic_initADC() { |
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Serial.println("INFO: Initializing AIC ADC"); |
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aic_writeAddress(TYMPAN_ADC_PROCESSING_BLOCK_REG, PRB_R); // processing blocks - ADC
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aic_writePage(1, 61, 0); // 0x3D // Select ADC PTM_R4 Power Tune?
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aic_writePage(1, 71, 0b00110001); // 0x47 // Set MicPGA startup delay to 3.1ms
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aic_writeAddress(TYMPAN_MIC_BIAS_REG, TYMPAN_MIC_BIAS_POWER_ON | TYMPAN_MIC_BIAS_2_5); // power up mic bias
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aic_writeAddress(TYMPAN_MICPGA_LEFT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN2 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_LEFT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_RIGHT_POSITIVE_REG, TYMPAN_MIC_ROUTING_POSITIVE_IN2 & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_RIGHT_NEGATIVE_REG, TYMPAN_MIC_ROUTING_NEGATIVE_CM_TO_CM1L & TYMPAN_MIC_ROUTING_RESISTANCE_DEFAULT); |
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aic_writeAddress(TYMPAN_MICPGA_LEFT_VOLUME_REG, TYMPAN_MICPGA_VOLUME_ENABLE); // enable Left MicPGA, set gain to 0 dB
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aic_writeAddress(TYMPAN_MICPGA_RIGHT_VOLUME_REG, TYMPAN_MICPGA_VOLUME_ENABLE); // enable Right MicPGA, set gain to 0 dB
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aic_writeAddress(TYMPAN_ADC_MUTE_REG, TYMPAN_ADC_UNMUTE); // Unmute Left and Right ADC Digital Volume Control
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aic_writeAddress(TYMPAN_ADC_CHANNEL_POWER_REG, TYMPAN_ADC_CHANNELS_ON); // Unmute Left and Right ADC Digital Volume Control
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} |
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// set MICPGA volume, 0-47.5dB in 0.5dB setps
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bool AudioControlTLV320AIC3206::micGain(float volume) { |
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if (volume < 0.0) { |
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volume = 0.0; // 0.0 dB
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Serial.println("WARNING: Attempting to set MIC volume outside range"); |
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} |
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if (volume > 47.5) { |
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volume = 47.5; // 47.5 dB
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Serial.println("WARNING: Attempting to set MIC volume outside range"); |
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} |
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Serial.print("INFO: Setting MIC volume to "); |
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Serial.print(volume, 1); |
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volume = volume * 2.0; // convert to value map (0.5 dB steps)
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int8_t volume_int = (int8_t) (round(volume)); // round
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Serial.print(". Converted to volume map => "); |
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Serial.println(volume_int); |
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aic_writeAddress(TYMPAN_MICPGA_LEFT_VOLUME_REG, TYMPAN_MICPGA_VOLUME_ENABLE | volume_int); // enable Left MicPGA, set gain to 0 dB
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aic_writeAddress(TYMPAN_MICPGA_RIGHT_VOLUME_REG, TYMPAN_MICPGA_VOLUME_ENABLE | volume_int); // enable Right MicPGA, set gain to 0 dB
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return true; |
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} |
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//******************* OUTPUT DEFINITIONS *****************************//
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#define TYMPAN_DAC_PROCESSING_BLOCK_REG 0x003c // page 0 register 60
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#define TYMPAN_DAC_VOLUME_LEFT_REG 0x0041 // page 0 reg 65
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#define TYMPAN_DAC_VOLUME_RIGHT_REG 0x0042 // page 0 reg 66
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// -63.6 to +24 dB in 0.5dB steps. uses signed 8-bit
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bool AudioControlTLV320AIC3206::volume(float volume) { |
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// Constrain to limits
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if (volume > 24.0) { |
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volume = 24.0; |
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Serial.println("WARNING: Attempting to set DAC Volume outside range"); |
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} |
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if (volume < -63.5) { |
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volume = -63.5; |
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Serial.println("WARNING: Attempting to set DAC Volume outside range"); |
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} |
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Serial.print("INFO: Setting DAC volume to "); |
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Serial.print(volume, 1); |
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volume = volume * 2.0; // convert to value map (0.5 dB steps)
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int8_t volume_int = (int8_t) (round(volume)); // round
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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() { |
||||
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() { |
||||
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("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("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(); |
||||
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("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) { |
||||
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("ERROR: Received Error During Write Page: "); |
||||
Serial.println(result); |
||||
} |
||||
} |
||||
return false; |
||||
} |
||||
|
||||
bool AudioControlTLV320AIC3206::aic_goToPage(byte page) { |
||||
Wire.beginTransmission(AIC3206_I2C_ADDR); |
||||
Wire.write(0x00); delay(10);// page register
|
||||
Wire.write(page); delay(10);// go to page
|
||||
byte result = Wire.endTransmission(); |
||||
if (result != 0) { |
||||
Serial.print("ERROR: Received Error During GoTo Page: "); |
||||
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; |
||||
} |
@ -0,0 +1,65 @@ |
||||
/*
|
||||
* Tympan_TLV320AIC.ino |
||||
*
|
||||
* Created: BPF and WEA, Creare LLC, Jan/Feb 2017 |
||||
* Purpose: Demonstrate basic audio pass-thru using the Tympan Audio Board, |
||||
* which is based on the TI TLV320AIC3206 |
||||
*
|
||||
* License: MIT License, Use At Your Own Risk |
||||
*
|
||||
*/ |
||||
|
||||
#include <Audio.h> |
||||
#include <Wire.h> |
||||
#include <SPI.h> |
||||
#include <SD.h> |
||||
#include <SerialFlash.h> |
||||
#include <OpenAudio_ArduinoLibrary.h> //AudioControlTLV320AIC3206 lives here |
||||
|
||||
// define audio classes and connections
|
||||
AudioControlTLV320AIC3206 tlv320aic3206_1; |
||||
AudioInputI2S audioInput;
|
||||
AudioOutputI2S audioOutput;
|
||||
AudioConnection patchCord1(audioInput, 0, audioOutput, 0); |
||||
AudioConnection patchCord2(audioInput, 1, audioOutput, 1); |
||||
|
||||
// define the setup
|
||||
void setup(void) |
||||
{ |
||||
//allocate the audio memory first
|
||||
AudioMemory(160); //big number to accomodate the delay effect
|
||||
|
||||
//begin the serial comms
|
||||
Serial.begin(115200); |
||||
delay(500); |
||||
Serial.println("Tympan_TLV320AIC: starting..."); |
||||
|
||||
// Setup the TLV320
|
||||
tlv320aic3206_1.enable(); // activate AIC
|
||||
|
||||
// Choose the desired input
|
||||
tlv320aic3206_1.inputSelect(TYMPAN_INPUT_ON_BOARD_MIC); // use the on board microphones // default
|
||||
// tlv320aic3206_1.inputSelect(TYMPAN_INPUT_JACK_AS_MIC); // use the microphone jack - defaults to mic bias 2.5V
|
||||
// tlv320aic3206_1.inputSelect(TYMPAN_INPUT_JACK_AS_LINEIN); // use the microphone jack - defaults to mic bias OFF
|
||||
// tlv320aic3206_1.inputSelect(TYMPAN_INPUT_LINE_IN); // use the line in pads on the TYMPAN board - defaults to mic bias OFF
|
||||
|
||||
//Adjust the MIC bias, if using TYMPAN_INPUT_JACK_AS_MIC
|
||||
// tlv320aic3206_1.setMicBias(TYMPAN_MIC_BIAS_OFF); // Turn mic bias off
|
||||
// tlv320aic3206_1.setMicBias(TYMPAN_MIC_BIAS_2_5); // set mic bias to 2.5 // default
|
||||
// tlv320aic3206_1.setMicBias(TYMPAN_MIC_BIAS_1_7); // set mic bias to 1.7
|
||||
// tlv320aic3206_1.setMicBias(TYMPAN_MIC_BIAS_1_25); // set mic bias to 1.25
|
||||
// tlv320aic3206_1.setMicBias(TYMPAN_MIC_BIAS_VSUPPLY); // set mic bias to supply voltage
|
||||
|
||||
// VOLUMES
|
||||
tlv320aic3206_1.volume(10); // -63.6 to +24 dB in 0.5dB steps. uses float
|
||||
tlv320aic3206_1.micGain(10); // set MICPGA volume, 0-47.5dB in 0.5dB setps
|
||||
|
||||
Serial.println("Done"); |
||||
} |
||||
|
||||
void loop(void) |
||||
{ |
||||
// Nothing to do - just looping input to output
|
||||
delay(2000); |
||||
Serial.println("Running..."); |
||||
} |
Loading…
Reference in new issue