Header only C++ port of the CS42L51 BSP audio codec driver. More...

#include <stdint.h>
#include "Codecs/CodecConstants.h"
#include "DriverCommon.h"
#include "Platforms/API_Delay.h"
#include "Platforms/API_I2C.h"

Classes
class	CS42L51
	Header-only driver class for the CS42L51 codec chip. More...

Namespaces
namespace	audio_driver
	Namespace for audio driver components.

Enumerations
enum	CS42L51Frequency : uint32_t { CS42L51_FREQUENCY_192K = 192000 , CS42L51_FREQUENCY_176K = 176400 , CS42L51_FREQUENCY_96K = 96000 , CS42L51_FREQUENCY_88K = 88200 , CS42L51_FREQUENCY_48K = 48000 , CS42L51_FREQUENCY_44K = 44100 , CS42L51_FREQUENCY_32K = 32000 , CS42L51_FREQUENCY_22K = 22050 , CS42L51_FREQUENCY_16K = 16000 , CS42L51_FREQUENCY_11K = 11025 , CS42L51_FREQUENCY_8K = 8000 }
	Audio frequencies. More...

enum	CS42L51InputDevice : uint32_t { CS42L51_IN_NONE = 0x0000 , CS42L51_IN_MIC1 = 0x0100 , CS42L51_IN_MIC2 = 0x0200 , CS42L51_IN_LINE1 = 0x0400 , CS42L51_IN_LINE2 = 0x0800 , CS42L51_IN_LINE3 = 0x1000 }
	Audio input devices: can be combined with \|. More...

enum	CS42L51Mute : uint8_t { CS42L51_MUTE_OFF = 0 , CS42L51_MUTE_ON = 1 }
	Mute commands. More...

enum	CS42L51OutputDevice : uint32_t { CS42L51_OUT_NONE = 0x0000 , CS42L51_OUT_HEADPHONE = 0x0001 }
	Audio output devices: can be combined with \|. More...

enum	CS42L51PowerDownMode : uint8_t { CS42L51_PDWN_HW = 0x00 , CS42L51_PDWN_SW = 0x01 }
	Codec stop / power down options. More...

enum	CS42L51Protocol : uint8_t { CS42L51_PROTOCOL_L_JUSTIFIED = 0 , CS42L51_PROTOCOL_I2S = 1 , CS42L51_PROTOCOL_R_JUSTIFIED = 2 }
	Audio protocols. More...

enum	CS42L51Reg : uint8_t { CS42L51_CHIP_ID = 0x01 , CS42L51_PWR_CTRL_1 = 0x02 , CS42L51_MIC_PWR_SPEED_CTRL = 0x03 , CS42L51_INTERFACE_CTRL = 0x04 , CS42L51_MIC_CTRL = 0x05 , CS42L51_ADC_CTRL = 0x06 , CS42L51_ADCX_INPUT_SELECT = 0x07 , CS42L51_DAC_OUTPUT_CTRL = 0x08 , CS42L51_DAC_CTRL = 0x09 , CS42L51_ALCA_PGAA_CTRL = 0x0A , CS42L51_ALCB_PGAB_CTRL = 0x0B , CS42L51_ADCA_ATTENUATOR = 0x0C , CS42L51_ADCB_ATTENUATOR = 0x0D , CS42L51_ADCA_MIXER_VOL_CTRL = 0x0E , CS42L51_ADCB_MIXER_VOL_CTRL = 0x0F , CS42L51_PCMA_MIXER_VOL_CTRL = 0x10 , CS42L51_PCMB_MIXER_VOL_CTRL = 0x11 , CS42L51_BEEP_FREQ_AND_TIMING_CFG = 0x12 , CS42L51_BEEP_OFF_TIME_AND_VOL = 0x13 , CS42L51_BEEP_CFG_AND_TONE_CFG = 0x14 , CS42L51_TONE_CTRL = 0x15 , CS42L51_AOUTA_VOL_CTRL = 0x16 , CS42L51_AOUTB_VOL_CTRL = 0x17 , CS42L51_ADC_PCM_CHANNEL_MIXER = 0x18 , CS42L51_LIMITER_THR_SZC_DISABLE = 0x19 , CS42L51_LIMITER_RELEASE_RATE_REG = 0x1A , CS42L51_LIMITER_ATTACK_RATE_REG = 0x1B , CS42L51_ALC_ENABLE_AND_ATTACK_RATE = 0x1C , CS42L51_ALC_RELEASE_RATE = 0x1D , CS42L51_ALC_THR = 0x1E , CS42L51_NOISE_GATE_CFG_AND_MISC = 0x1F , CS42L51_STATUS = 0x20 , CS42L51_CHARGE_PUMP_FREQ = 0x21 }

enum	CS42L51Resolution : uint8_t { CS42L51_RESOLUTION_16B = 0x05 , CS42L51_RESOLUTION_18B = 0x04 , CS42L51_RESOLUTION_20B = 0x03 , CS42L51_RESOLUTION_24B = 0x02 }
	Audio resolutions (only applicable for CS42L51_PROTOCOL_R_JUSTIFIED) More...

enum	CS42L51Status : int32_t { CS42L51_OK = 0 , CS42L51_ERROR = -1 }
	Component status. More...

enum	CS42L51VolumeSelect : uint8_t { CS42L51_VOLUME_INPUT = 0 , CS42L51_VOLUME_OUTPUT = 1 }
	Volume input/output selection. More...

Variables
static constexpr uint8_t	CS42L51_ID = 0xD8
	CS42L51 chip identification.

static constexpr uint8_t	CS42L51_ID_MASK = 0xF8

Detailed Description

Header only C++ port of the CS42L51 BSP audio codec driver.

Attention

This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.

Classes

Namespaces

Enumerations

Variables

Detailed Description