g726_32module.c

来自「zigbee 飞思卡尔 音频传输 基于ucos的所有源码」· C语言 代码 · 共 45 行

#include <stdio.h>
#include "mcf5xxx.h"
#include "common.h"
#include "mcf5213_gpio.h"
#include "g72x.h"
	struct g72x_state st32;
	struct g72x_state *p32 = NULL;
	struct g72x_state st322;
	struct g72x_state *p322 = NULL;

/*#define G726datalength 0x400*2
int datatemp[G726datalength] = {0};
int flag11 = 0;  */

int g726_32Enter_Times = 0;
int G726_32Module(int data_in)//[0x400])                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
{
int data_mid_temp;
int data_in_temp = 0;
int i;

if(g726_32Enter_Times == 0)
{
g726_32Enter_Times = 1;
p32= &st32;
p322 = &st322;
g72x_init_state(p32);
g72x_init_state(p322);

}

//		data_in_temp = (int)*data_in;
		asm
		{
			move.l data_in,d4
			ext.l d4
			asl.l #4,d4
			move.l d4,data_in_temp
		}
		data_mid_temp = g726_32encoder(data_in_temp,p32);
		data_mid_temp = g726_32decoder(data_mid_temp,p322);
	data_mid_temp = data_mid_temp>>4;
	return data_mid_temp;
}