瀏覽代碼

Revert "Adding control functions (WIP)"

This reverts commit f0b376d3f6.
dds
Michele Perla 9 年之前
父節點
當前提交
812603775a
共有 2 個文件被更改,包括 42 次插入170 次删除
  1. +39
    -160
      control_ak4558.cpp
  2. +3
    -10
      control_ak4558.h

+ 39
- 160
control_ak4558.cpp 查看文件

@@ -20,15 +20,11 @@ void AudioControlAK4558::readInitConfig(void)
unsigned int n = 0;
Wire.requestFrom(AK4558_I2C_ADDR, 10);
while(Wire.available()) {
#if AK4558_SERIAL_DEBUG > 0
Serial.print("Register ");
Serial.print(n);
Serial.print(" = ");
#endif
registers[n++] = Wire.read();
#if AK4558_SERIAL_DEBUG > 0
Serial.println(registers[n-1]);
#endif
}
}

@@ -40,88 +36,11 @@ bool AudioControlAK4558::write(unsigned int reg, unsigned int val)
return (Wire.endTransmission()==0);
}

bool AudioControlAK4558::enableIn(void)
{
// ADC setup (datasheet page 74
#if AK4558_SERIAL_DEBUG > 0
Serial.println("AK4558: Enable ADC");
#endif
registers[AK4558_PLL_CTRL] |= AK4558_PLL2;
registers[AK4558_PLL_CTRL] &= ~AK4558_PLL1;
write(AK4558_I2C_ADDR, registers[AK4558_PLL_CTRL]);
#if AK4558_SERIAL_DEBUG > 0
Serial.print("AK4558: PLL_CTRL set to ");
Serial.println(registers[AK4558_PLL_CTRL], BIN);
#endif
delay(10);
// as per table 16, set PLL_CTRL.PLL3-2-1-0 to 0101 for MICK as PLL Reference, 11.2896 MHz
// also, wait 10 ms for PLL lock
// TODO: IS IT NEEDED?
// ignore this, leaving default values - ADC: Set up the de-emphasis filter (Addr = 07H).
registers[AK4558_PWR_MNGT] |= AK4558_PMADR | AK4558_PMADL;
write(AK4558_I2C_ADDR, registers[AK4558_PWR_MNGT]);
#if AK4558_SERIAL_DEBUG > 0
Serial.print("AK4558: PWR_MNGT set to ");
Serial.println(registers[AK4558_PWR_MNGT], BIN);
#endif
delay(300);
// Power up the ADC: PMADL = PMADR bits = “0” → “1”
// Initialization cycle of the ADC is 5200/fs @Normal mode. The SDTO pin outputs “L” during initialization.
#if AK4558_SERIAL_DEBUG > 0
Serial.println("AK4558: Enable ADC - Done");
#endif
return true;
}
bool AudioControlAK4558::enableOut(void)
{
#if AK4558_SERIAL_DEBUG > 0
Serial.println("AK4558: Enable DAC");
#endif
// DAC Output setup (datasheet page 75)

registers[AK4558_MODE_CTRL] |= AK4558_LOPS;
write(AK4558_I2C_ADDR, registers[AK4558_MODE_CTRL]);
#if AK4558_SERIAL_DEBUG > 0
Serial.print("AK4558: MODE_CTRL set to ");
Serial.println(registers[AK4558_MODE_CTRL], BIN);
#endif
// Set the DAC output to power-save mode: LOPS bit “0” → “1”
// ignore this, leaving default values - DAC: Set up the digital filter mode.
// ignore this, leaving default values - Set up the digital output volume (Address = 08H, 09H).
registers[AK4558_PWR_MNGT] |= AK4558_PMDAR | AK4558_PMDAL;
write(AK4558_I2C_ADDR, registers[AK4558_PWR_MNGT]);
#if AK4558_SERIAL_DEBUG > 0
Serial.print("AK4558: PWR_MNGT set to ");
Serial.println(registers[AK4558_PWR_MNGT], BIN);
#endif
delay(300);
// Power up the DAC: PMDAL = PMDAR bits = “0” → “1”
// Outputs of the LOUT and ROUT pins start rising. Rise time is 300ms (max.) when C = 1μF.
registers[AK4558_MODE_CTRL] &= ~AK4558_LOPS;
write(AK4558_I2C_ADDR, registers[AK4558_MODE_CTRL]);
#if AK4558_SERIAL_DEBUG > 0
Serial.print("AK4558: MODE_CTRL set to ");
Serial.println(registers[AK4558_MODE_CTRL], BIN);
#endif
// Release power-save mode of the DAC output: LOPS bit = “1” → “0”
// Set LOPS bit to “0” after the LOUT and ROUT pins output “H”. Sound data will be output from the
// LOUT and ROUT pins after this setting.
#if AK4558_SERIAL_DEBUG > 0
Serial.println("AK4558: Enable DAC - Done");
#endif
return true;
}

bool AudioControlAK4558::enable(void)
{
#if AK4558_SERIAL_DEBUG > 0
Serial.println("AK4558: Enable device");
#endif
Serial.println("Starting setup...");
delay(1000);
Serial.println("Setup start");
// Power Up and Reset
// Clock Setup (datasheet page 72)
pinMode(PIN_PDN, OUTPUT);
@@ -131,9 +50,7 @@ bool AudioControlAK4558::enable(void)
// After Power Up: PDN pin “L” → “H”
// “L” time of 150ns or more is needed to reset the AK4558.
delay(20);
#if AK4558_SERIAL_DEBUG > 0
Serial.println("AK4558: PDN is HIGH (device reset)");
#endif
Serial.println("PDN is HIGH");
// Control register settings become available in 10ms (min.) when LDOE pin = “H”
Wire.begin();
readInitConfig();
@@ -148,27 +65,17 @@ bool AudioControlAK4558::enable(void)
registers[AK4558_CTRL_1] &= ~AK4558_DIF2;
registers[AK4558_CTRL_1] |= AK4558_DIF1 | AK4558_DIF0;
#if AK4558_SERIAL_DEBUG > 0
Serial.print("AK4558: CTRL_1 set to ");
Serial.print("CTRL_1 set to ");
Serial.println(registers[AK4558_CTRL_1], BIN);
#endif
// DIF2-1-0 = 011 ( 16 bit I2S compatible when BICK = 32fs)
// Set up the audio format (Addr=03H). (in this case: TDM1-0 = 00 (Time Division Multiplexing mode OFF) by default)
registers[AK4558_CTRL_2] &= ~AK4558_MCKS1;
#if AK4558_SERIAL_DEBUG > 0
Serial.print("AK4558: CTRL_2 set to ");
Serial.print("CTRL_2 set to ");
Serial.println(registers[AK4558_CTRL_2], BIN);
#endif
// MCKS1-0 = 00 (Master Clock Input Frequency Select, set 256fs for Normal Speed Mode -> 11.2896 MHz)
registers[AK4558_MODE_CTRL] &= ~AK4558_BCKO0;
// BCKO1-0 = 00 (BICK Output Frequency at Master Mode = 32fs = 1.4112 MHz)
registers[AK4558_MODE_CTRL] |= AK4558_FS1;
// Set up the sampling frequency (FS3-0 bits). The ADC must be powered-up in consideration of PLL
// lock time. (in this case (ref. table 17): Set clock to mode 5 / 44.100 KHz)
#if AK4558_SERIAL_DEBUG > 0
Serial.print("AK4558: MODE_CTRL set to ");
Serial.print("MODE_CTRL set to ");
Serial.println(registers[AK4558_MODE_CTRL], BIN);
#endif
// BCKO1-0 = 00 (BICK Output Frequency at Master Mode = 32fs = 1.4112 MHz)
Wire.beginTransmission(AK4558_I2C_ADDR);
Wire.write(AK4558_CTRL_1);
Wire.write(registers[AK4558_CTRL_1]);
@@ -181,76 +88,48 @@ bool AudioControlAK4558::enable(void)
// one byte instead of terminating the write cycle after the first data byte is transferred. After receiving each
// data packet the internal address counter is incremented by one, and the next data is automatically taken
// into the next address.
#if AK4558_SERIAL_DEBUG > 0
Serial.println("AK4558: Enable device - Done");
#endif
return true;
}

bool AudioControlAK4558::disableIn(void)
{
// ADC power-down (datasheet page 74
registers[AK4558_PWR_MNGT] &= ~AK4558_PMADR | ~AK4558_PMADL;
write(AK4558_I2C_ADDR, registers[AK4558_PWR_MNGT]);
#if AK4558_SERIAL_DEBUG > 0
Serial.print("AK4558: PWR_MNGT set to ");
Serial.println(registers[AK4558_PWR_MNGT], BIN);
#endif
// Power down ADC: PMADL = PMADR bits = “1” → “0”
#if AK4558_SERIAL_DEBUG > 0
Serial.println("AK4558: Enable ADC - Done");
#endif
return true;
}

bool AudioControlAK4558::disableOut(void)
{
#if AK4558_SERIAL_DEBUG > 0
Serial.println("AK4558: Disable DAC");
#endif
// DAC Output power-down (datasheet page 75)

registers[AK4558_MODE_CTRL] |= AK4558_LOPS;
// ADC/DAC Output setup (datasheet pages 74, 75)
registers[AK4558_PLL_CTRL] |= AK4558_PLL2;
registers[AK4558_PLL_CTRL] &= ~AK4558_PLL1;
write(AK4558_I2C_ADDR, registers[AK4558_PLL_CTRL]);
Serial.print("PLL_CTRL set to ");
Serial.println(registers[AK4558_PLL_CTRL], BIN);
delay(10);
// as per table 16, set PLL_CTRL.PLL3-2-1-0 to 0101 for MICK as PLL Reference, 11.2896 MHz
// also, wait 10 ms for PLL lock
// TODO: IS IT NEEDED?
// Set the DAC output to power-save mode: LOPS bit “0” → “1”
registers[AK4558_MODE_CTRL] |= AK4558_FS1 | AK4558_LOPS;
write(AK4558_I2C_ADDR, registers[AK4558_MODE_CTRL]);
#if AK4558_SERIAL_DEBUG > 0
Serial.print("AK4558: MODE_CTRL set to ");
Serial.print("MODE_CTRL set to ");
Serial.println(registers[AK4558_MODE_CTRL], BIN);
#endif
// Set the DAC output to power-save mode: LOPS bit “0” → “1”
// Set up the sampling frequency (FS3-0 bits). The ADC must be powered-up in consideration of PLL
// lock time. (in this case (ref. table 17): Set clock to mode 5 / 44.100 KHz)
// Set up the audio format (Addr=03H). (in this case: TDM1-0 = 00 (Time Division Multiplexing mode OFF) by default)
// ignore this, leaving default values - ADC: Set up the de-emphasis filter (Addr = 07H).
// ignore this, leaving default values - DAC: Set up the digital filter mode.
// ignore this, leaving default values - Set up the digital output volume (Address = 08H, 09H).
registers[AK4558_PWR_MNGT] &= ~AK4558_PMDAR | ~AK4558_PMDAL;
registers[AK4558_PWR_MNGT] |= AK4558_PMADR | AK4558_PMADL | AK4558_PMDAR | AK4558_PMDAL;
write(AK4558_I2C_ADDR, registers[AK4558_PWR_MNGT]);
#if AK4558_SERIAL_DEBUG > 0
Serial.print("AK4558: PWR_MNGT set to ");
Serial.print("PWR_MNGT set to ");
Serial.println(registers[AK4558_PWR_MNGT], BIN);
#endif
delay(300);
// Power down the DAC: PMDAL = PMDAR bits = “1” → “0”
// Outputs of the LOUT and ROUT pins start falling. Rise time is 300ms (max.) when C = 1μF.
// Power up the ADC: PMADL = PMADR bits = “0” → “1”
// Initialization cycle of the ADC is 5200/fs @Normal mode. The SDTO pin outputs “L” during initialization.
// Power up the DAC: PMDAL = PMDAR bits = “0” → “1”
// Outputs of the LOUT and ROUT pins start rising. Rise time is 300ms (max.) when C = 1μF.
registers[AK4558_MODE_CTRL] &= ~AK4558_LOPS;
write(AK4558_I2C_ADDR, registers[AK4558_MODE_CTRL]);
#if AK4558_SERIAL_DEBUG > 0
Serial.print("AK4558: MODE_CTRL set to ");
write(AK4558_I2C_ADDR, registers[AK4558_MODE_CTRL]);
Serial.print("MODE_CTRL set to ");
Serial.println(registers[AK4558_MODE_CTRL], BIN);
#endif
// Release power-save mode of the DAC output: LOPS bit = “1” → “0”
// Set LOPS bit to “0” after outputs of the LOUT and ROUT pins fall to “L”.
#if AK4558_SERIAL_DEBUG > 0
Serial.println("AK4558: Disable DAC - Done");
#endif
// Set LOPS bit to “0” after the LOUT and ROUT pins output “H”. Sound data will be output from the
// LOUT and ROUT pins after this setting.
Serial.println("Setup ended");
return true;
}

bool AudioControlAK4558:volume(float n)
{
// Set DAC output volume
registers[AK4558_LOUT_VOL] &= ~AK4558_LOPS;
write(AK4558_I2C_ADDR, registers[AK4558_LOUT_VOL]);
#if AK4558_SERIAL_DEBUG > 0
Serial.print("AK4558: LOUT_VOL set to ");
Serial.println(registers[AK4558_LOUT_VOL], BIN);
#endif
}

+ 3
- 10
control_ak4558.h 查看文件

@@ -9,9 +9,6 @@

#include "AudioControl.h"

#define AK4558_SERIAL_DEBUG 1
//if 1, then Serial Monitor will show debug information about configuration of the AK4558

// for Teensy audio lib operation the following settings are needed
// 1fs = 44.1 KHz
// sample size = 16 bits
@@ -233,13 +230,9 @@
class AudioControlAK4558 : public AudioControl
{
public:
bool enable(void); //enables the CODEC, does not power up ADC nor DAC (use enableIn() and enableOut() for selective power up)
bool enableIn(void);
bool enableOut(void);
bool disable(void) { return (disableIn()&&disableOut()); }
bool disableIn(void);
bool disableOut(void);
bool volume(float n);
bool enable(void);
bool disable(void) { return false; }
bool volume(float n) { return false; }
bool inputLevel(float n) { return false; }
bool inputSelect(int n) { return false; }
protected:

Loading…
取消
儲存