WorkFiles/YC11xx_SmartLight/ModuleDemo/MIC_ADC/User/main.c

#include <stdarg.h>
#include "yc11xx.h"
#include "yc11xx_uart.h"
#include "yc11xx_gpio.h"
#include "Drv_mic.h"
#include "system.h"

#define LED_GPIO	4

extern MIC_CUR_VARIABLE sMicCurVariable;

void LED_Run(void)
{
	static uint32_t times = 0;
	times++;

	if(times>0x100)
	{
		times = 0;
		GPIO_CONFIG(LED_GPIO) = (GPIO_CONFIG(LED_GPIO)==GPCFG_OUTPUT_HIGH)? GPCFG_OUTPUT_LOW: GPCFG_OUTPUT_HIGH;
	} 
}
/*
 * @method Audio_sampling_init
 * @brief  mic adc init
 * @retval None
 */
void Audio_sampling_init()
{
	DRV_Mic_Init();
	DRV_Mic_Enable();
}
/*
 * @method Audio_get_buffer_len
 * @brief  Get adc dma buf unread data length.
 * @retval None
 */
int Audio_get_buffer_len()
{
	int audioWPtr = HREADW(CORE_ADCD_ADDR) ;
	int audioRPtr = TO_16BIT_ADDR(sMicCurVariable.mReadPtr) ;
	int audioBufferLen = (int)(sMicCurVariable.mEndPtr - sMicCurVariable.mReadBufPtr);
	if(audioRPtr <= audioWPtr)
	{
		return (audioWPtr - audioRPtr);
	}
	else
	{
		return (audioBufferLen - (audioRPtr - audioWPtr));
	}
}
/*
 * @method Audio_to_uart_start
 * @brief  read mic adc data for adc_dma_buf, and send  mic adc data by uart.
 * @retval None
 */
void Audio_to_uart_start()
{
	if (sMicCurVariable.mMicEnable == MIC_DISABLE)
		return;
	int audioWPtr = HREADW(CORE_ADCD_ADDR) ;
	int bufferLen = Audio_get_buffer_len();
		
	if (bufferLen != 0 && bufferLen >= ENCODE_INPUT_LEN)
	{
		//Original sound sampling(pcm)
		for(int indexL = 0; indexL < ENCODE_INPUT_LEN; indexL++)
			MyPrintf("%c",*(sMicCurVariable.mReadPtr + indexL));
		sMicCurVariable.mReadPtr += ENCODE_INPUT_LEN;	
		if (sMicCurVariable.mReadPtr == sMicCurVariable.mEndPtr)
			sMicCurVariable.mReadPtr = sMicCurVariable.mReadBufPtr;
	}

}

int main(void)
{
	printport_init();
	GPIO_CONFIG(LED_GPIO)= GPCFG_OUTPUT_LOW;
	Audio_sampling_init();
	while(1)
	{
		LED_Run();
		Audio_to_uart_start();
	}
}