CI130X inner pdm的驱动函数更多...

#include "ci130x_pdm.h"
#include "ci130x_alc.h"
#include "ci130x_scu.h"
#include "ci130x_system.h"
#include "ci_log.h"
#include <stdlib.h>
#include <string.h>
#include "ci130x_core_eclic.h"
#include "romlib_runtime.h"

宏定义
#define	PDMC_CI_ASSERT(x, msg)

#define	USE_CI130X_OWN_ALC 1

#define	METHOD_TO_CONTROL_GAIN_ATTACK 0

#define	ALC_JACK_WAY PDM_ALC_MODE_JACKWAY2

#define	ALC_HOLD_TIME PDM_ALC_HOLD_TIME_2MS

#define	ALC_DECAY_TIME PDM_ALC_DECAY_TIME_2MS

#define	ALC_ATTACK_TIME PDM_ALC_ATTACK_TIME_2MS

#define	ALC_MODE 0

#define	ALC_ZERO_CROSS PDM_GATE_DISABLE

#define	ALC_FAST_DECAY_87_5 PDM_GATE_DISABLE

#define	ALC_NOISE_GATE PDM_GATE_DISABLE

#define	ALC_NOISE_GATE_SET PDM_NOISE_GATE_THRE_45dB

#define	ALC_INIT_PGA_GAIN 0x1f

#define	ALC_SAMPLE_RATE PDM_SAMPLERATE_16K

#define	ALC_LOW_8_BIT_MAX_LEVEL ((uint8_t)(PDM_ALC_LEVEL__6dB >> 0))

#define	ALC_HOGH_8_BIT_MAX_LEVEL ((uint8_t)(PDM_ALC_LEVEL__6dB >> 8))

#define	ALC_LOW_8_BIT_MIN_LEVEL ((uint8_t)(PDM_ALC_LEVEL__7_5dB >> 0))

#define	ALC_HOGH_8_BIT_MIN_LEVEL ((uint8_t)(PDM_ALC_LEVEL__7_5dB >> 8))

#define	ALC_AGC_FUNC_SEL ENABLE

#define	ALC_PGA_MAX_GAIN PDM_ALC_PGA_MAX_GAIN_28_5dB

#define	ALC_PGA_MIN_GAIN PDM_ALC_PGA_MIN_GAIN__18dB

#define	ALC_JUDGE (PDM_ALC_JUDGE_AFTER_HIGHPASS)

#define	ALC_CONTROL_PGA_L (PDM_GATE_ENABLE)

#define	ALC_CONTROL_PGA_R (PDM_GATE_ENABLE)

#define	HPF_GATE (!PDM_GATE_ENABLE)

#define	HPF_CONFIG (PDM_HIGHPASS_CUT_OFF_20HZ)

函数
void	pdm_reset (void)
	当主频为168时，延时100us 更多...

void	pdm_adc_mode_set (pdm_mode_t mode, pdm_frame_1_2len_t frame_Len, pdm_valid_word_len_t word_len, pdm_i2s_data_famat_t data_fram)
	PDM作为ADC的模式选择更多...

void	pdm_dac_mode_set (pdm_mode_t mode, pdm_frame_1_2len_t frame_Len, pdm_valid_word_len_t word_len, pdm_i2s_data_famat_t data_fram)
	PDM作为DAC的模式选择更多...

void	pdm_power_up (pdm_current_t current)
	PDM模块上电更多...

void	pdm_power_off (void)
	关闭PDM模块电源更多...

void	pdm_hightpass_config (pdm_gate_t gate, pdm_highpass_cut_off_t Hz)
	配置PDM模块的高通滤波器更多...

void	pdm_set_input_mode_left (pdm_input_mode_t mode)
	设置左通道的输入模式更多...

void	pdm_set_input_mode_right (pdm_input_mode_t mode)
	设置右通道的输入模式更多...

void	pdm_set_mic_gain_left (pdm_mic_amplify_t gain)
	设置左通道的MIC增益更多...

void	pdm_set_mic_gain_right (pdm_mic_amplify_t gain)
	设置右通道的MIC增益更多...

void	pdm_adc_enable (pdm_adc_config_t *ADC_Config)
	使能PDM中的ADC: 1.使用此函数之前先初始化PDM_ADC_Config_TypeDef结构体并填写参数； 2.ALCL_Gain和ALCR_Gain的上下限分别是28.5dB和-18dB，步长1.5。更多...

void	pdm_adc_dig_gain_set (pdm_cha_sel_t cha, int32_t gain)
	调节CODEC ADC的数字增益（197为0dB，加减1为加减0.5dB增益）更多...

void	pdm_adc_disable (pdm_cha_sel_t cha, pdm_gate_t EN)
	关闭PDM中的ADC 更多...

void	pdm_dac_gain_set (int32_t l_gain, int32_t r_gain)
	配置PDM中的DAC增益,-39dB到7.5dB，步长1.5dB，真实为32档。更多...

void	pdm_dac_enable (void)
	使能PDM中的DAC(-39 – 7 dB) 更多...

void	pdm_hpout_mute (void)

void	pdm_hpout_mute_disable (void)

void	pdm_dac_disable (pdm_cha_sel_t cha, pdm_gate_t EN)
	关闭DAC 更多...

void	pdm_alc_judge_sel (pdm_alc_judge_t judge)
	ALC判断的信号来自高通滤波器之前，还是之后更多...

void	pdm_pga_gain_config_via_reg27_28 (pdm_cha_sel_t cha, uint32_t gain)
	向PDM reg27 reg28寄存器写PGA的增益更多...

void	pdm_pga_gain_config_via_reg27_28_db (pdm_cha_sel_t cha, float gain_db)

pdm_mic_amplify_t	pdm_get_mic_gain (pdm_cha_sel_t cha)
	获取PDM MIC增益的大小更多...

void	pdm_set_mic_gain (pdm_cha_sel_t cha, pdm_mic_amplify_t gain)
	向PDM MIC增益控制寄存器写值更多...

void	pdm_alc_left_config (pdm_alc_use_config_t *ALC_str)
	PDM ALC配置左通道更多...

void	pdm_alc_right_config (pdm_alc_use_config_t *ALC_str)
	PDM ALC配置左通道更多...

static void	pdm_alc_init_config (void)
	ALC的默认配置更多...

static void	pdm_adc_init_config (void)

static void	pdm_aux_alc_init_config (void)

int	pdm_init (void)

void	pdm_left_mic_reinit (void)

void	pdm_right_mic_reinit (void)

详细描述

CI130X inner pdm的驱动函数

版本: 0.1

日期: 2019-03-29

版权所有: Copyright (c) 2019 Chipintelli Technology Co., Ltd.

宏定义说明

◆ ALC_AGC_FUNC_SEL

#define ALC_AGC_FUNC_SEL ENABLE

◆ ALC_ATTACK_TIME

#define ALC_ATTACK_TIME PDM_ALC_ATTACK_TIME_2MS

◆ ALC_CONTROL_PGA_L

#define ALC_CONTROL_PGA_L (PDM_GATE_ENABLE)

◆ ALC_CONTROL_PGA_R

#define ALC_CONTROL_PGA_R (PDM_GATE_ENABLE)

◆ ALC_DECAY_TIME

#define ALC_DECAY_TIME PDM_ALC_DECAY_TIME_2MS

◆ ALC_FAST_DECAY_87_5

#define ALC_FAST_DECAY_87_5 PDM_GATE_DISABLE

◆ ALC_HOGH_8_BIT_MAX_LEVEL

#define ALC_HOGH_8_BIT_MAX_LEVEL ((uint8_t)(PDM_ALC_LEVEL__6dB >> 8))

◆ ALC_HOGH_8_BIT_MIN_LEVEL

#define ALC_HOGH_8_BIT_MIN_LEVEL ((uint8_t)(PDM_ALC_LEVEL__7_5dB >> 8))

◆ ALC_HOLD_TIME

#define ALC_HOLD_TIME PDM_ALC_HOLD_TIME_2MS

◆ ALC_INIT_PGA_GAIN

#define ALC_INIT_PGA_GAIN 0x1f

◆ ALC_JACK_WAY

#define ALC_JACK_WAY PDM_ALC_MODE_JACKWAY2

◆ ALC_JUDGE

#define ALC_JUDGE (PDM_ALC_JUDGE_AFTER_HIGHPASS)

◆ ALC_LOW_8_BIT_MAX_LEVEL

#define ALC_LOW_8_BIT_MAX_LEVEL ((uint8_t)(PDM_ALC_LEVEL__6dB >> 0))

◆ ALC_LOW_8_BIT_MIN_LEVEL

#define ALC_LOW_8_BIT_MIN_LEVEL ((uint8_t)(PDM_ALC_LEVEL__7_5dB >> 0))

◆ ALC_MODE

#define ALC_MODE 0

◆ ALC_NOISE_GATE

#define ALC_NOISE_GATE PDM_GATE_DISABLE

◆ ALC_NOISE_GATE_SET

#define ALC_NOISE_GATE_SET PDM_NOISE_GATE_THRE_45dB

◆ ALC_PGA_MAX_GAIN

#define ALC_PGA_MAX_GAIN PDM_ALC_PGA_MAX_GAIN_28_5dB

◆ ALC_PGA_MIN_GAIN

#define ALC_PGA_MIN_GAIN PDM_ALC_PGA_MIN_GAIN__18dB

◆ ALC_SAMPLE_RATE

#define ALC_SAMPLE_RATE PDM_SAMPLERATE_16K

◆ ALC_ZERO_CROSS

#define ALC_ZERO_CROSS PDM_GATE_DISABLE

◆ HPF_CONFIG

#define HPF_CONFIG (PDM_HIGHPASS_CUT_OFF_20HZ)

◆ HPF_GATE

#define HPF_GATE (!PDM_GATE_ENABLE)

◆ METHOD_TO_CONTROL_GAIN_ATTACK

#define METHOD_TO_CONTROL_GAIN_ATTACK 0

◆ PDMC_CI_ASSERT

#define PDMC_CI_ASSERT	(	x,
		msg
	)

值:

if( ( x ) == 0 )                                                                                                        \
    {                                                                                                                       \
        mprintf("%s",msg);                                                                                                   \
        mprintf("PDMC Line:%d\n",__LINE__);                                                                                   \
        while(1)  asm volatile ("ebreak");                                                                                  \
    }

◆ USE_CI130X_OWN_ALC

#define USE_CI130X_OWN_ALC 1

函数说明

◆ pdm_adc_dig_gain_set()

void pdm_adc_dig_gain_set	(	pdm_cha_sel_t	cha,
		int32_t	gain
	)

调节CODEC ADC的数字增益（197为0dB，加减1为加减0.5dB增益）

参数

gain 左声道增益大小

◆ pdm_adc_init_config()

static void pdm_adc_init_config ( void )

static

◆ pdm_alc_init_config()

static void pdm_alc_init_config ( void )

static

ALC的默认配置

◆ pdm_aux_alc_init_config()

static void pdm_aux_alc_init_config ( void )

static

◆ pdm_init()

int pdm_init ( void )