driver_wm8978.h

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#ifndef DRIVER_WM8978_H
#define DRIVER_WM8978_H
 
#include <stdio.h>
#include <stdint.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C"{
#endif



typedef enum
{
    WM8978_BOOL_FALSE = 0x00,        
    WM8978_BOOL_TRUE  = 0x01,        
} wm8978_bool_t;

typedef enum
{
    WM8978_IMPEDANCE_OFF  = 0x00,        
    WM8978_IMPEDANCE_75K  = 0x01,        
    WM8978_IMPEDANCE_300K = 0x02,        
    WM8978_IMPEDANCE_5K   = 0x03,        
} wm8978_impedance_t;

typedef enum
{
    WM8978_POLARITY_NORMAL   = 0x00,        
    WM8978_POLARITY_INVERTED = 0x01,        
} wm8978_polarity_t;

typedef enum
{
    WM8978_WORD_LENGTH_16_BITS = 0x00,        
    WM8978_WORD_LENGTH_20_BITS = 0x01,        
    WM8978_WORD_LENGTH_24_BITS = 0x02,        
    WM8978_WORD_LENGTH_32_BITS = 0x03,        
} wm8978_word_length_t;

typedef enum
{
    WM8978_DATA_FORMAT_RIGHT_JUSTIFIED = 0x00,        
    WM8978_DATA_FORMAT_LEFT_JUSTIFIED  = 0x01,        
    WM8978_DATA_FORMAT_IIS             = 0x02,        
    WM8978_DATA_FORMAT_PCM             = 0x03,        
} wm8978_data_format_t;

typedef enum
{
    WM8978_APPEAR_LEFT  = 0x00,        
    WM8978_APPEAR_RIGHT = 0x01,        
} wm8978_appear_t;

typedef enum
{
    WM8978_CHANNEL_STEREO = 0x00,        
    WM8978_CHANNEL_MONO   = 0x01,        
} wm8978_channel_t;

typedef enum
{
    WM8978_COMPANDING_LINEAR = 0x00,        
    WM8978_COMPANDING_U_LAW  = 0x02,        
    WM8978_COMPANDING_A_LAW  = 0x03,        
} wm8978_companding_t;

typedef enum
{
    WM8978_CLKSEL_MCLK       = 0x00,        
    WM8978_CLKSEL_PLL_OUTPUT = 0x01,        
} wm8978_clksel_t;

typedef enum
{
    WM8978_MCLK_DIV_BY_1   = 0x00,        
    WM8978_MCLK_DIV_BY_1P5 = 0x01,        
    WM8978_MCLK_DIV_BY_2   = 0x02,        
    WM8978_MCLK_DIV_BY_3   = 0x03,        
    WM8978_MCLK_DIV_BY_4   = 0x04,        
    WM8978_MCLK_DIV_BY_6   = 0x05,        
    WM8978_MCLK_DIV_BY_8   = 0x06,        
    WM8978_MCLK_DIV_BY_12  = 0x07,        
} wm8978_mclk_div_t;

typedef enum
{
    WM8978_BCLK_DIV_BY_1  = 0x00,        
    WM8978_BCLK_DIV_BY_2  = 0x01,        
    WM8978_BCLK_DIV_BY_4  = 0x02,        
    WM8978_BCLK_DIV_BY_8  = 0x03,        
    WM8978_BCLK_DIV_BY_16 = 0x04,        
    WM8978_BCLK_DIV_BY_32 = 0x05,        
} wm8978_bclk_div_t;

typedef enum
{
    WM8978_CLOCK_MODE_INPUT  = 0x00,        
    WM8978_CLOCK_MODE_OUTPUT = 0x01,        
} wm8978_clock_mode_t;

typedef enum
{
    WM8978_APPROXIMATE_SAMPLE_48_KHZ = 0x00,        
    WM8978_APPROXIMATE_SAMPLE_32_KHZ = 0x01,        
    WM8978_APPROXIMATE_SAMPLE_24_KHZ = 0x02,        
    WM8978_APPROXIMATE_SAMPLE_16_KHZ = 0x03,        
    WM8978_APPROXIMATE_SAMPLE_12_KHZ = 0x04,        
    WM8978_APPROXIMATE_SAMPLE_8_KHZ  = 0x05,        
} wm8978_approximate_sample_t;

typedef enum
{
    WM8978_PLL_DIV_BY_1 = 0x00,        
    WM8978_PLL_DIV_BY_2 = 0x01,        
    WM8978_PLL_DIV_BY_3 = 0x02,        
    WM8978_PLL_DIV_BY_4 = 0x03,        
} wm8978_pll_div_t;

typedef enum
{
    WM8978_GPIO1_SEL_INPUT        = 0x00,        
    WM8978_GPIO1_SEL_TEMP_OK      = 0x02,        
    WM8978_GPIO1_SEL_AMUTE_ACTIVE = 0x03,        
    WM8978_GPIO1_SEL_PLL_CLK      = 0x04,        
    WM8978_GPIO1_SEL_PLL_LOCK     = 0x05,        
    WM8978_GPIO1_SEL_LOGIC_1      = 0x06,        
    WM8978_GPIO1_SEL_LOGIC_0      = 0x07,        
} wm8978_gpio1_sel_t;

typedef enum
{
    WM8978_JACK_SEL_GPIO1 = 0x00,        
    WM8978_JACK_SEL_GPIO2 = 0x01,        
    WM8978_JACK_SEL_GPIO3 = 0x02,        
} wm8978_jack_sel_t;

typedef enum
{
    WM8978_DAC_OVERSAMPLE_RATE_64X  = 0x00,        
    WM8978_DAC_OVERSAMPLE_RATE_128X = 0x01,        
} wm8978_dac_oversample_rate_t;

typedef enum
{
    WM8978_JACK_OUT1 = 0x01,        
    WM8978_JACK_OUT2 = 0x02,        
    WM8978_JACK_OUT3 = 0x04,        
    WM8978_JACK_OUT4 = 0x08,        
} wm8978_jack_t;

typedef enum
{
    WM8978_MODE_AUDIO       = 0x00,        
    WM8978_MODE_APPLICATION = 0x01,        
} wm8978_mode_t;

typedef enum
{
    WM8978_HIGH_PASS_FILTER_CUT_OFF_0 = 0x00,        
    WM8978_HIGH_PASS_FILTER_CUT_OFF_1 = 0x01,        
    WM8978_HIGH_PASS_FILTER_CUT_OFF_2 = 0x02,        
    WM8978_HIGH_PASS_FILTER_CUT_OFF_3 = 0x03,        
    WM8978_HIGH_PASS_FILTER_CUT_OFF_4 = 0x04,        
    WM8978_HIGH_PASS_FILTER_CUT_OFF_5 = 0x05,        
    WM8978_HIGH_PASS_FILTER_CUT_OFF_6 = 0x06,        
    WM8978_HIGH_PASS_FILTER_CUT_OFF_7 = 0x07,        
} wm8978_high_pass_filter_cut_off_t;

typedef enum
{
    WM8978_ADC_OVERSAMPLE_RATE_64X  = 0x00,        
    WM8978_ADC_OVERSAMPLE_RATE_128X = 0x01,        
} wm8978_adc_oversample_rate_t;

typedef enum
{
    WM8978_EQUALISER_APPLIED_TO_ADC = 0x00,        
    WM8978_EQUALISER_APPLIED_TO_DAC = 0x01,        
} wm8978_equaliser_t;

typedef enum
{
    WM8978_EQ1_BAND_CUT_OFF_80HZ  = 0x00,        
    WM8978_EQ1_BAND_CUT_OFF_105HZ = 0x01,        
    WM8978_EQ1_BAND_CUT_OFF_135HZ = 0x02,        
    WM8978_EQ1_BAND_CUT_OFF_175HZ = 0x03,        
} wm8978_eq1_band_cut_off_t;

typedef enum
{
    WM8978_EQ_BANDWIDTH_NARROW = 0x00,        
    WM8978_EQ_BANDWIDTH_WIDE   = 0x01,        
} wm8978_eq_bandwidth_t;

typedef enum
{
    WM8978_EQ2_BAND_CENTRE_FREQ_230HZ = 0x00,        
    WM8978_EQ2_BAND_CENTRE_FREQ_300HZ = 0x01,        
    WM8978_EQ2_BAND_CENTRE_FREQ_385HZ = 0x02,        
    WM8978_EQ2_BAND_CENTRE_FREQ_500HZ = 0x03,        
} wm8978_eq2_band_centre_freq_t;

typedef enum
{
    WM8978_EQ3_BAND_CENTRE_FREQ_650HZ  = 0x00,        
    WM8978_EQ3_BAND_CENTRE_FREQ_850HZ  = 0x01,        
    WM8978_EQ3_BAND_CENTRE_FREQ_1100HZ = 0x02,        
    WM8978_EQ3_BAND_CENTRE_FREQ_1400HZ = 0x03,        
} wm8978_eq3_band_centre_freq_t;

typedef enum
{
    WM8978_EQ4_BAND_CENTRE_FREQ_1800HZ = 0x00,        
    WM8978_EQ4_BAND_CENTRE_FREQ_2400HZ = 0x01,        
    WM8978_EQ4_BAND_CENTRE_FREQ_3200HZ = 0x02,        
    WM8978_EQ4_BAND_CENTRE_FREQ_4100HZ = 0x03,        
} wm8978_eq4_band_centre_freq_t;

typedef enum
{
    WM8978_EQ5_BAND_CUT_OFF_5300HZ  = 0x00,       
    WM8978_EQ5_BAND_CUT_OFF_6900HZ  = 0x01,       
    WM8978_EQ5_BAND_CUT_OFF_9000HZ  = 0x02,       
    WM8978_EQ5_BAND_CUT_OFF_11700HZ = 0x03,       
} wm8978_eq5_band_cut_off_t;

typedef enum
{
    WM8978_DAC_LIMITER_DECAY_750US = 0x00,       
    WM8978_DAC_LIMITER_DECAY_1P5MS = 0x01,       
    WM8978_DAC_LIMITER_DECAY_3MS   = 0x02,       
    WM8978_DAC_LIMITER_DECAY_6MS   = 0x03,       
    WM8978_DAC_LIMITER_DECAY_12MS  = 0x04,       
    WM8978_DAC_LIMITER_DECAY_24MS  = 0x05,       
    WM8978_DAC_LIMITER_DECAY_48MS  = 0x06,       
    WM8978_DAC_LIMITER_DECAY_96MS  = 0x07,       
    WM8978_DAC_LIMITER_DECAY_192MS = 0x08,       
    WM8978_DAC_LIMITER_DECAY_384MS = 0x09,       
    WM8978_DAC_LIMITER_DECAY_768MS = 0x0A,       
} wm8978_dac_limiter_decay_t;

typedef enum
{
    WM8978_DAC_LIMITER_ATTACK_94US  = 0x00,       
    WM8978_DAC_LIMITER_ATTACK_188US = 0x01,       
    WM8978_DAC_LIMITER_ATTACK_375US = 0x02,       
    WM8978_DAC_LIMITER_ATTACK_750US = 0x03,       
    WM8978_DAC_LIMITER_ATTACK_1P5MS = 0x04,       
    WM8978_DAC_LIMITER_ATTACK_3MS   = 0x05,       
    WM8978_DAC_LIMITER_ATTACK_6MS   = 0x06,       
    WM8978_DAC_LIMITER_ATTACK_12MS  = 0x07,       
    WM8978_DAC_LIMITER_ATTACK_24MS  = 0x08,       
    WM8978_DAC_LIMITER_ATTACK_48MS  = 0x09,       
    WM8978_DAC_LIMITER_ATTACK_96MS  = 0x0A,       
} wm8978_dac_limiter_attack_t;

typedef enum
{
    WM8978_DAC_LIMITER_LEVEL_NEGATIVE_1DB = 0x00,       
    WM8978_DAC_LIMITER_LEVEL_NEGATIVE_2DB = 0x01,       
    WM8978_DAC_LIMITER_LEVEL_NEGATIVE_3DB = 0x02,       
    WM8978_DAC_LIMITER_LEVEL_NEGATIVE_4DB = 0x03,       
    WM8978_DAC_LIMITER_LEVEL_NEGATIVE_5DB = 0x04,       
    WM8978_DAC_LIMITER_LEVEL_NEGATIVE_6DB = 0x05,       
} wm8978_dac_limiter_level_t;

typedef enum
{
    WM8978_ALC_OFF   = 0x00,       
    WM8978_ALC_RIGHT = 0x01,       
    WM8978_ALC_LEFT  = 0x02,       
    WM8978_ALC_BOTH  = 0x03,       
} wm8978_alc_t;

typedef enum
{
    WM8978_MAX_GAIN_35P25_DB         = 0x07,       
    WM8978_MAX_GAIN_29P25_DB         = 0x06,       
    WM8978_MAX_GAIN_23P25_DB         = 0x05,       
    WM8978_MAX_GAIN_17P25_DB         = 0x04,       
    WM8978_MAX_GAIN_11P25_DB         = 0x03,       
    WM8978_MAX_GAIN_5P25_DB          = 0x02,       
    WM8978_MAX_GAIN_NEGATIVE_0P75_DB = 0x01,       
    WM8978_MAX_GAIN_NEGATIVE_6P75_DB = 0x00,       
} wm8978_max_gain_t;

typedef enum
{
    WM8978_MIN_GAIN_30_DB          = 0x07,       
    WM8978_MIN_GAIN_24_DB          = 0x06,       
    WM8978_MIN_GAIN_18_DB          = 0x05,       
    WM8978_MIN_GAIN_12_DB          = 0x04,       
    WM8978_MIN_GAIN_6_DB           = 0x03,       
    WM8978_MIN_GAIN_0_DB           = 0x02,       
    WM8978_MIN_GAIN_NEGATIVE_6_DB  = 0x01,       
    WM8978_MIN_GAIN_NEGATIVE_12_DB = 0x00,       
} wm8978_min_gain_t;

typedef enum
{
    WM8978_ALC_MODE_ALC     = 0x00,       
    WM8978_ALC_MODE_LIMITER = 0x01,       
} wm8978_alc_mode_t;

typedef enum
{
    WM8978_AVDD_0P9  = 0x00,       
    WM8978_AVDD_0P65 = 0x01,       
} wm8978_avdd_t;

typedef enum
{
    WM8978_VREF_1K  = 0x00,       
    WM8978_VREF_30K = 0x01,       
} wm8978_vref_t;

typedef enum
{
    WM8978_ALC_LEVEL_NEGATIVE_1P5  = 0x0F,       
    WM8978_ALC_LEVEL_NEGATIVE_3    = 0x0D,       
    WM8978_ALC_LEVEL_NEGATIVE_4P5  = 0x0C,       
    WM8978_ALC_LEVEL_NEGATIVE_21   = 0x01,       
    WM8978_ALC_LEVEL_NEGATIVE_22P5 = 0x00,       
} wm8978_alc_level_t;

typedef struct wm8978_handle_s
{
    uint8_t iic_addr;                                                                   
    uint8_t (*iic_init)(void);                                                          
    uint8_t (*iic_deinit)(void);                                                        
    uint8_t (*iic_write)(uint8_t addr, uint8_t reg, uint8_t *buf, uint16_t len);        
    void (*delay_ms)(uint32_t ms);                                                      
    void (*debug_print)(const char *const fmt, ...);                                    
    uint16_t reg[58];                                                                   
    uint8_t inited;                                                                     
} wm8978_handle_t;

typedef struct wm8978_info_s
{
    char chip_name[32];                
    char manufacturer_name[32];        
    char interface[8];                 
    float supply_voltage_min_v;        
    float supply_voltage_max_v;        
    float max_current_ma;              
    float temperature_min;             
    float temperature_max;             
    uint32_t driver_version;           
} wm8978_info_t;



#define DRIVER_WM8978_LINK_INIT(HANDLE, STRUCTURE)   memset(HANDLE, 0, sizeof(STRUCTURE))

#define DRIVER_WM8978_LINK_IIC_INIT(HANDLE, FUC)     (HANDLE)->iic_init = FUC

#define DRIVER_WM8978_LINK_IIC_DEINIT(HANDLE, FUC)   (HANDLE)->iic_deinit = FUC

#define DRIVER_WM8978_LINK_IIC_WRITE(HANDLE, FUC)    (HANDLE)->iic_write = FUC

#define DRIVER_WM8978_LINK_DELAY_MS(HANDLE, FUC)     (HANDLE)->delay_ms = FUC

#define DRIVER_WM8978_LINK_DEBUG_PRINT(HANDLE, FUC)  (HANDLE)->debug_print = FUC



uint8_t wm8978_info(wm8978_info_t *info);

uint8_t wm8978_init(wm8978_handle_t *handle);

uint8_t wm8978_deinit(wm8978_handle_t *handle);

uint8_t wm8978_soft_reset(wm8978_handle_t *handle);

uint8_t wm8978_set_dc_buffer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_out4_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_out3_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_pll(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_microphone_bias(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_analogue_amplifier_bias(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_unused_input_output_tie_off_buffer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_reference_impedance(wm8978_handle_t *handle, wm8978_impedance_t impedance);

uint8_t wm8978_set_right_out1(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_out1(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_sleep(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_channel_input_boost(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_channel_input_boost(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_channel_input_pga(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_channel_input_pga(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_channel_adc(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_channel_adc(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_out4(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_out3(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_out2(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_out2(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_output_channel_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_output_channel_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_channel_dac(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_channel_dac(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_bclk_polarity(wm8978_handle_t *handle, wm8978_polarity_t polarity);

uint8_t wm8978_set_lrclk_polarity(wm8978_handle_t *handle, wm8978_polarity_t polarity);

uint8_t wm8978_set_word_length(wm8978_handle_t *handle, wm8978_word_length_t word_length);

uint8_t wm8978_set_data_format(wm8978_handle_t *handle, wm8978_data_format_t format);

uint8_t wm8978_set_dac_appear(wm8978_handle_t *handle, wm8978_appear_t appear);

uint8_t wm8978_set_adc_appear(wm8978_handle_t *handle, wm8978_appear_t appear);

uint8_t wm8978_set_channel(wm8978_handle_t *handle, wm8978_channel_t channel);

uint8_t wm8978_set_companding_8bit_mode(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_dac_companding(wm8978_handle_t *handle, wm8978_companding_t companding);

uint8_t wm8978_set_adc_companding(wm8978_handle_t *handle, wm8978_companding_t companding);

uint8_t wm8978_set_loopback(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_clksel(wm8978_handle_t *handle, wm8978_clksel_t clksel);

uint8_t wm8978_set_mclk_div(wm8978_handle_t *handle, wm8978_mclk_div_t d);

uint8_t wm8978_set_bclk_div(wm8978_handle_t *handle, wm8978_bclk_div_t d);

uint8_t wm8978_set_clock_mode(wm8978_handle_t *handle, wm8978_clock_mode_t mode);

uint8_t wm8978_set_approximate_sample_rate(wm8978_handle_t *handle, wm8978_approximate_sample_t sample);

uint8_t wm8978_set_slow_clock(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_pll_div(wm8978_handle_t *handle, wm8978_pll_div_t d);

uint8_t wm8978_set_gpio1_polarity(wm8978_handle_t *handle, wm8978_polarity_t polarity);

uint8_t wm8978_set_gpio1_select(wm8978_handle_t *handle, wm8978_gpio1_sel_t sel);

uint8_t wm8978_set_vmid_1(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_vmid_0(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_jack_detection(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_jack_gpio(wm8978_handle_t *handle, wm8978_jack_sel_t sel);

uint8_t wm8978_set_soft_mute(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_dac_oversample_rate(wm8978_handle_t *handle, wm8978_dac_oversample_rate_t rate);

uint8_t wm8978_set_amute(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_dac_output_polarity(wm8978_handle_t *handle, wm8978_polarity_t polarity);

uint8_t wm8978_set_left_dac_output_polarity(wm8978_handle_t *handle, wm8978_polarity_t polarity);

uint8_t wm8978_set_dac_left_volume(wm8978_handle_t *handle, wm8978_bool_t enable, uint8_t volume);

uint8_t wm8978_set_dac_right_volume(wm8978_handle_t *handle, wm8978_bool_t enable, uint8_t volume);

uint8_t wm8978_set_jack_logic_1(wm8978_handle_t *handle, wm8978_jack_t jack, wm8978_bool_t enable);

uint8_t wm8978_set_jack_logic_0(wm8978_handle_t *handle, wm8978_jack_t jack, wm8978_bool_t enable);

uint8_t wm8978_set_high_pass_filter(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_mode(wm8978_handle_t *handle, wm8978_mode_t mode);

uint8_t wm8978_set_high_pass_filter_cut_off(wm8978_handle_t *handle, wm8978_high_pass_filter_cut_off_t cut);

uint8_t wm8978_set_adc_oversample_rate(wm8978_handle_t *handle, wm8978_adc_oversample_rate_t rate);

uint8_t wm8978_set_adc_right_channel_polarity(wm8978_handle_t *handle, wm8978_polarity_t polarity);

uint8_t wm8978_set_adc_left_channel_polarity(wm8978_handle_t *handle, wm8978_polarity_t polarity);

uint8_t wm8978_set_adc_left_volume(wm8978_handle_t *handle, wm8978_bool_t enable, uint8_t volume);

uint8_t wm8978_set_adc_right_volume(wm8978_handle_t *handle, wm8978_bool_t enable, uint8_t volume);

uint8_t wm8978_volume_convert_to_register(wm8978_handle_t *handle, float db, uint8_t *reg);

uint8_t wm8978_volume_convert_to_data(wm8978_handle_t *handle, uint8_t reg, float *db);

uint8_t wm8978_set_equaliser_apply(wm8978_handle_t *handle, wm8978_equaliser_t equaliser);

uint8_t wm8978_set_eq1_cut_off(wm8978_handle_t *handle, wm8978_eq1_band_cut_off_t cut_off);

uint8_t wm8978_set_eq1_gain(wm8978_handle_t *handle, uint8_t gain);

uint8_t wm8978_set_eq2_bandwidth(wm8978_handle_t *handle, wm8978_eq_bandwidth_t width);

uint8_t wm8978_set_eq2_centre_freq(wm8978_handle_t *handle, wm8978_eq2_band_centre_freq_t freq);

uint8_t wm8978_set_eq2_gain(wm8978_handle_t *handle, uint8_t gain);

uint8_t wm8978_set_eq3_bandwidth(wm8978_handle_t *handle, wm8978_eq_bandwidth_t width);

uint8_t wm8978_set_eq3_centre_freq(wm8978_handle_t *handle, wm8978_eq3_band_centre_freq_t freq);

uint8_t wm8978_set_eq3_gain(wm8978_handle_t *handle, uint8_t gain);

uint8_t wm8978_set_eq4_bandwidth(wm8978_handle_t *handle, wm8978_eq_bandwidth_t width);

uint8_t wm8978_set_eq4_centre_freq(wm8978_handle_t *handle, wm8978_eq4_band_centre_freq_t freq);

uint8_t wm8978_set_eq4_gain(wm8978_handle_t *handle, uint8_t gain);

uint8_t wm8978_set_eq5_cut_off(wm8978_handle_t *handle, wm8978_eq5_band_cut_off_t cut_off);

uint8_t wm8978_set_eq5_gain(wm8978_handle_t *handle, uint8_t gain);

uint8_t wm8978_eq_gain_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_eq_gain_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_dac_digital_limiter(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_dac_limiter_decay(wm8978_handle_t *handle, wm8978_dac_limiter_decay_t decay);

uint8_t wm8978_set_dac_limiter_attack(wm8978_handle_t *handle, wm8978_dac_limiter_attack_t attack);

uint8_t wm8978_set_dac_limiter_level(wm8978_handle_t *handle, wm8978_dac_limiter_level_t level);

uint8_t wm8978_set_dac_limiter_volume_boost(wm8978_handle_t *handle, uint8_t db);

uint8_t wm8978_set_notch_filter(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_notch_filter_a0_coefficient_bit_13_7(wm8978_handle_t *handle, wm8978_bool_t update_once, uint8_t coefficient);

uint8_t wm8978_set_notch_filter_a0_coefficient_bit_6_0(wm8978_handle_t *handle, wm8978_bool_t update_once, uint8_t coefficient);

uint8_t wm8978_set_notch_filter_a1_coefficient_bit_13_7(wm8978_handle_t *handle, wm8978_bool_t update_once, uint8_t coefficient);

uint8_t wm8978_set_notch_filter_a1_coefficient_bit_6_0(wm8978_handle_t *handle, wm8978_bool_t update_once, uint8_t coefficient);

uint8_t wm8978_set_alc(wm8978_handle_t *handle, wm8978_alc_t alc);

uint8_t wm8978_set_alc_max_gain(wm8978_handle_t *handle, wm8978_max_gain_t gain);

uint8_t wm8978_set_alc_min_gain(wm8978_handle_t *handle, wm8978_min_gain_t gain);

uint8_t wm8978_set_alc_hold_time(wm8978_handle_t *handle, uint8_t t);

uint8_t wm8978_alc_hold_time_convert_to_register(wm8978_handle_t *handle, float ms, uint8_t *reg);

uint8_t wm8978_alc_hold_time_convert_to_data(wm8978_handle_t *handle, uint8_t reg, float *ms);

uint8_t wm8978_set_alc_level(wm8978_handle_t *handle, wm8978_alc_level_t level);

uint8_t wm8978_set_alc_mode(wm8978_handle_t *handle, wm8978_alc_mode_t mode);

uint8_t wm8978_set_alc_decay(wm8978_handle_t *handle, uint8_t decay);

uint8_t wm8978_set_alc_attack(wm8978_handle_t *handle, uint8_t attack);

uint8_t wm8978_set_alc_noise_gate(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_alc_noise_gate_threshold(wm8978_handle_t *handle, uint8_t threshold);

uint8_t wm8978_alc_noise_gate_threshold_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_alc_noise_gate_threshold_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_mclk_divide_by_2(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_plln(wm8978_handle_t *handle, uint8_t n);

uint8_t wm8978_set_pll_freq(wm8978_handle_t *handle, uint32_t freq);

uint8_t wm8978_set_depth_3d(wm8978_handle_t *handle, uint8_t depth);

uint8_t wm8978_depth_3d_convert_to_register(wm8978_handle_t *handle, float percent, uint8_t *reg);

uint8_t wm8978_depth_3d_convert_to_data(wm8978_handle_t *handle, uint8_t reg, float *percent);

uint8_t wm8978_set_mute_input_to_inv_rout2_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_inv_rout2_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_beep_volume(wm8978_handle_t *handle, uint8_t vol);

uint8_t wm8978_beep_volume_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_beep_volume_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_beep(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_microphone_bias_voltage(wm8978_handle_t *handle, wm8978_avdd_t avdd);

uint8_t wm8978_set_right_channel_input_pga_positive(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_channel_input_pga_negative(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_channel_input_pga_amplifier_positive(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_channel_input_pga_positive(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_channel_input_pga_negative(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_channel_input_pga_amplifier_positive(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_input_pga_update(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_channel_input_pga_zero_cross(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_channel_input_pga_mute(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_channel_input_pga_volume(wm8978_handle_t *handle, uint8_t volume);

uint8_t wm8978_left_channel_input_pga_volume_convert_to_register(wm8978_handle_t *handle, float db, uint8_t *reg);

uint8_t wm8978_left_channel_input_pga_volume_convert_to_data(wm8978_handle_t *handle, uint8_t reg, float *db);

uint8_t wm8978_set_right_input_pga_update(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_channel_input_pga_zero_cross(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_channel_input_pga_mute(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_channel_input_pga_volume(wm8978_handle_t *handle, uint8_t volume);

uint8_t wm8978_right_channel_input_pga_volume_convert_to_register(wm8978_handle_t *handle, float db, uint8_t *reg);

uint8_t wm8978_right_channel_input_pga_volume_convert_to_data(wm8978_handle_t *handle, uint8_t reg, float *db);

uint8_t wm8978_set_left_channel_input_pga_boost(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_channel_input_boost_stage(wm8978_handle_t *handle, uint8_t stage);

uint8_t wm8978_left_channel_input_boost_stage_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_left_channel_input_boost_stage_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_auxiliary_amplifier_left_channel_input_boost_stage(wm8978_handle_t *handle, uint8_t stage);

uint8_t wm8978_auxiliary_amplifier_left_channel_input_boost_stage_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_auxiliary_amplifier_left_channel_input_boost_stage_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_right_channel_input_pga_boost(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_channel_input_boost_stage(wm8978_handle_t *handle, uint8_t stage);

uint8_t wm8978_right_channel_input_boost_stage_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_right_channel_input_boost_stage_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_auxiliary_amplifier_right_channel_input_boost_stage(wm8978_handle_t *handle, uint8_t stage);

uint8_t wm8978_auxiliary_amplifier_right_channel_input_boost_stage_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_auxiliary_amplifier_right_channel_input_boost_stage_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_left_dac_output_to_right_output_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_dac_output_to_left_output_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_out4_boost(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_out3_boost(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_speaker_boost(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_thermal_shutdown(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_vref_to_analogue_output_resistance(wm8978_handle_t *handle, wm8978_vref_t vref);

uint8_t wm8978_set_aux_left_channel_input_to_left_mixer_volume(wm8978_handle_t *handle, uint8_t vol);

uint8_t wm8978_aux_left_channel_input_to_left_mixer_volume_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_aux_left_channel_input_to_left_mixer_volume_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_left_auxiliary_input_to_left_channel_output_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_bypass_volume_control_to_output_channel_mixer(wm8978_handle_t *handle, uint8_t vol);

uint8_t wm8978_left_bypass_volume_control_to_output_channel_mixer_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_left_bypass_volume_control_to_output_channel_mixer_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_left_bypass_path_to_left_output_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_dac_output_to_left_output_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_aux_right_channel_input_to_right_mixer_volume(wm8978_handle_t *handle, uint8_t vol);

uint8_t wm8978_aux_right_channel_input_to_right_mixer_volume_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_aux_right_channel_input_to_right_mixer_volume_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_right_auxiliary_input_to_right_channel_output_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_bypass_volume_control_to_output_channel_mixer(wm8978_handle_t *handle, uint8_t vol);

uint8_t wm8978_right_bypass_volume_control_to_output_channel_mixer_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_right_bypass_volume_control_to_output_channel_mixer_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_right_bypass_path_to_right_output_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_dac_output_to_right_output_mixer(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_lout1_update(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_lout1_headphone_volume_zero_cross(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_lout1_left_headphone_output_mute(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_lout1_left_headphone_output_volume(wm8978_handle_t *handle, uint8_t vol);

uint8_t wm8978_lout1_left_headphone_output_volume_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_lout1_left_headphone_output_volume_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_rout1_update(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_rout1_headphone_volume_zero_cross(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_rout1_right_headphone_output_mute(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_rout1_right_headphone_output_volume(wm8978_handle_t *handle, uint8_t vol);

uint8_t wm8978_rout1_right_headphone_output_volume_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_rout1_right_headphone_output_volume_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_lout2_update(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_lout2_speaker_volume_zero_cross(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_lout2_left_speaker_output_mute(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_lout2_left_speaker_output_volume(wm8978_handle_t *handle, uint8_t vol);

uint8_t wm8978_lout2_left_speaker_output_volume_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_lout2_left_speaker_output_volume_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_rout2_update(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_rout2_speaker_volume_zero_cross(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_rout2_right_speaker_output_mute(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_rout2_right_speaker_output_volume(wm8978_handle_t *handle, uint8_t vol);

uint8_t wm8978_rout2_right_speaker_output_volume_convert_to_register(wm8978_handle_t *handle, int8_t db, uint8_t *reg);

uint8_t wm8978_rout2_right_speaker_output_volume_convert_to_data(wm8978_handle_t *handle, uint8_t reg, int8_t *db);

uint8_t wm8978_set_out3_mute(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_out4_mixer_output_to_out3(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_adc_input_to_out3(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_dac_mixer_to_out3(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_dac_output_to_out3(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_out4_mute(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_out4_attenuated_by_6db(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_dac_mixer_to_out4(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_left_dac_to_out4(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_adc_input_to_out4(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_dac_mixer_to_out4(wm8978_handle_t *handle, wm8978_bool_t enable);

uint8_t wm8978_set_right_dac_output_to_out4(wm8978_handle_t *handle, wm8978_bool_t enable);



uint8_t wm8978_set_reg(wm8978_handle_t *handle, uint8_t reg, uint16_t value);


 
#ifdef __cplusplus
}
#endif
 
#endif