📄 joy.c
字号:
/* 功能:无任何键按下时4个灯闪烁并放音8s(事先存好在 flash 0x90020000--0x90040000里)可在led2程序中修改内容
* 当第一个键按下时LED0点亮，音乐通过line in直通输出
* 当第二个键按下时LED1点亮，音乐通过line in直通加密后输出
* 当第三个键按下时LED2点亮，音乐通过line in直通加密后输出
* 当第四个键按下时LED3闪开始录音，话筒输入录音4s后播放 (存在 flash 0x90010000--0x90020000)
*/
/*
* DSP/BIOS is configured using the DSP/BIOS configuration tool. Settings
* for this example are stored in a configuration file called led.cdb. At
* compile time, Code Composer will auto-generate DSP/BIOS related files
* based on these settings. A header file called ledcfg.h contains the
* results of the autogeneration and must be included for proper operation.
* The name of the file is taken from led.cdb and adding cfg.h.
*/
#include "joycfg.h"
/*
* The 6713 DSK Board Support Library is divided into several modules, each
* of which has its own include file. The file dsk6713.h must be included
* in every program that uses the BSL. This example also includes
* dsk6713_led.h and dsk6713_dip.h because it uses the LED and DIP modules.
*/
#include "dsk6713.h"
#include "dsk6713_led.h"
#include "dsk6713_dip.h"
#include "dsk6713_aic23.h"
#include "dsk6713_flash.h"
#define AUDIOPASS 0
#define AUDIOCODE 1
#define AUDIODECODE 2
#define RECORDPLAY 3
#define BLINK 4
#define FLASH_ADDR 0x90010000 //录音存放起始地址
#define FLASH_ADDR_MAX 0x90020000 //录音存放结束地址共64k空间,8k sampling,时长4s
Uint32 flashaddress,i;
Uint32 data32;
Uint16 data16,data161,data162; //data16 将32位转换成16位，data161,data162 加密解密
Uint8 data8; //data8 将16位转换成8位
Int choose,time=0; //choose 开关控制选择 time 解密时选择对应钥匙
/* Codec configuration settings */
DSK6713_AIC23_Config config = { \
0x0017, /* 0 DSK6713_AIC23_LEFTINVOL Left line input channel volume */ \
0x0017, /* 1 DSK6713_AIC23_RIGHTINVOL Right line input channel volume */\
0x01f9, /* 2 DSK6713_AIC23_LEFTHPVOL Left channel headphone volume */ \
0x01f9, /* 3 DSK6713_AIC23_RIGHTHPVOL Right channel headphone volume */ \
0x0011, /* 4 DSK6713_AIC23_ANAPATH Analog audio path control :line in*/ \
0x0000, /* 5 DSK6713_AIC23_DIGPATH Digital audio path control */ \
0x0000, /* 6 DSK6713_AIC23_POWERDOWN Power down control */ \
0x0043, /* 7 DSK6713_AIC23_DIGIF Digital audio interface format */ \
0x0001, /* 8 DSK6713_AIC23_SAMPLERATE Sample rate control 48khz*/ \
0x0001 /* 9 DSK6713_AIC23_DIGACT Digital interface activation */ \
};
/* Codec configuration settings */
DSK6713_AIC23_Config config1 = { \
0x0017, /* 0 DSK6713_AIC23_LEFTINVOL Left line input channel volume */ \
0x0017, /* 1 DSK6713_AIC23_RIGHTINVOL Right line input channel volume */\
0x01f9, /* 2 DSK6713_AIC23_LEFTHPVOL Left channel headphone volume */ \
0x01f9, /* 3 DSK6713_AIC23_RIGHTHPVOL Right channel headphone volume */ \
0x0015, /* 4 DSK6713_AIC23_ANAPATH Analog audio path control:mic */ \
0x0000, /* 5 DSK6713_AIC23_DIGPATH Digital audio path control */ \
0x0000, /* 6 DSK6713_AIC23_POWERDOWN Power down control */ \
0x0043, /* 7 DSK6713_AIC23_DIGIF Digital audio interface format */ \
0x000d, /* 8 DSK6713_AIC23_SAMPLERATE Sample rate control 8khz*/ \
0x0001 /* 9 DSK6713_AIC23_DIGACT Digital interface activation */ \
};
/*
* main() - Main code routine, initializes BSL and runs LED application
*/
void main()
{
DSK6713_AIC23_CodecHandle hCodec;
/* Initialize the board support library, must be first BSL call */
DSK6713_init();
/* Start the codec */
hCodec = DSK6713_AIC23_openCodec(0, &config1);
/* Initialize the LED and DIP switch modules of the BSL */
DSK6713_LED_init();
DSK6713_DIP_init();
while(1) {
if (DSK6713_DIP_get(0) == 0) choose= AUDIOPASS;
else if (DSK6713_DIP_get(1) == 0) choose= AUDIOCODE;
else if (DSK6713_DIP_get(2) == 0) choose= AUDIODECODE;
else if (DSK6713_DIP_get(3) == 0) choose= RECORDPLAY;
else choose=BLINK;
switch(choose)
{
case AUDIOPASS://直通采样率48k
DSK6713_AIC23_closeCodec(hCodec);
hCodec = DSK6713_AIC23_openCodec(0, &config);
while(1)
{
if(DSK6713_DIP_get(1) == 0||DSK6713_DIP_get(2) == 0||DSK6713_DIP_get(3) == 0)
{DSK6713_LED_off(0);break;}
DSK6713_LED_on(0);
/* Read a sample from the left channel */
while (!DSK6713_AIC23_read(hCodec,&data32));
/* Send a sample to the left channel */
while (!DSK6713_AIC23_write(hCodec,data32));
}
case AUDIOCODE: //直通加密
DSK6713_AIC23_closeCodec(hCodec);
hCodec = DSK6713_AIC23_openCodec(0, &config);
while(1)
{
if(DSK6713_DIP_get(0) == 0||DSK6713_DIP_get(2) == 0||DSK6713_DIP_get(3) == 0)
{DSK6713_LED_off(1);break;}
DSK6713_LED_on(1);
/* Read a sample from the left channel */
while (!DSK6713_AIC23_read(hCodec,&data32));
data161=data32;
//加密
if(time==0)
{data162=data161&0x0ff;time=1;}
else if
(time==1)
{data162=data161&0xff00;time=0;}
/* Send a sample to the left channel */
while (!DSK6713_AIC23_write(hCodec,data162));
} break;
case AUDIODECODE: //直通解密
DSK6713_AIC23_closeCodec(hCodec);
hCodec = DSK6713_AIC23_openCodec(0, &config);
while(1)
{
if(DSK6713_DIP_get(0) == 0||DSK6713_DIP_get(1) == 0||DSK6713_DIP_get(3) == 0)
{DSK6713_LED_off(2);break;}
DSK6713_LED_on(2);
/* Read a sample from the left channel */
while (!DSK6713_AIC23_read(hCodec,&data32));
data161=data32;
//加密
if(time==0)
{data162=data161^0x0ff;time=1;}
else if
(time==1)
{data162=data161^0xff00;time=0;}
//解密
if(time==1)
{data162=data162^0x0ff;time=0;}
else if
(time==0)
{data162=data162^0xff00;time=1;}
/* Send a sample to the left channel */
while (!DSK6713_AIC23_write(hCodec,data162));
}break;
case RECORDPLAY: //录音播放
DSK6713_AIC23_closeCodec(hCodec);
hCodec = DSK6713_AIC23_openCodec(0, &config1);
if(DSK6713_DIP_get(0) == 0||DSK6713_DIP_get(1) == 0||DSK6713_DIP_get(2) == 0)
{DSK6713_LED_off(3);break;}
DSK6713_FLASH_erase(FLASH_ADDR, DSK6713_FLASH_PAGESIZE*2);
for(i=0;i<6;i++)
{
DSK6713_LED_toggle(3);
DSK6713_waitusec(200000);
}
//接收数据4s 16bit量化成8bit保存在flash中 8k采样 64k空间可保存4s
flashaddress=FLASH_ADDR;
while(1)
{
while (!DSK6713_AIC23_read(hCodec,&data32));
data16=data32;
data8=data16/256;
//copy one 8bit from data1 to flashaddess
DSK6713_FLASH_write((Uint32)&data8, flashaddress,1);
// while (!DSK6713_AIC23_write(hCodec,data16));
flashaddress++;
if(flashaddress-FLASH_ADDR_MAX==0)break;
}
DSK6713_LED_on(3);
flashaddress=FLASH_ADDR;
while(1)
{
DSK6713_FLASH_read(flashaddress, (Uint32)&data8, 1);
data16=data8*256;
while (!DSK6713_AIC23_write(hCodec,data16));
flashaddress++;
if(flashaddress-FLASH_ADDR_MAX==0)break;
}
DSK6713_LED_off(3);
break;
case BLINK:
DSK6713_AIC23_closeCodec(hCodec);
hCodec = DSK6713_AIC23_openCodec(0, &config1);
// Toggle all LEDs
while(1)
{
if(DSK6713_DIP_get(0) == 0||DSK6713_DIP_get(1) == 0||DSK6713_DIP_get(2) == 0||DSK6713_DIP_get(3) == 0)
{DSK6713_LED_off(0);
DSK6713_LED_off(1);
DSK6713_LED_off(2);
DSK6713_LED_off(3);
break;}
DSK6713_LED_off(0);
DSK6713_LED_off(1);
DSK6713_LED_off(2);
DSK6713_LED_off(3);
//流水灯
for(i=0;i<4;i++)
{
DSK6713_LED_toggle(0);DSK6713_waitusec(200000);
DSK6713_LED_toggle(1);DSK6713_waitusec(200000);
DSK6713_LED_toggle(2);DSK6713_waitusec(20000);
DSK6713_LED_toggle(3);DSK6713_waitusec(200000);
}
//接力灯
/* for(i=0;i<4;i++)
{
DSK6713_LED_toggle(0);
DSK6713_LED_toggle(2);DSK6713_waitusec(400000);
DSK6713_LED_toggle(1);
DSK6713_LED_toggle(3);DSK6713_waitusec(400000);
}
//放音提示 All LED blink three times
for(i=0;i<5;i++)
{
DSK6713_LED_toggle(0);DSK6713_LED_toggle(1);
DSK6713_LED_toggle(2);DSK6713_LED_toggle(3);
DSK6713_waitusec(200000);
}
flashaddress=0x90020000; //放音数据存放起始地址
while(1)
{
DSK6713_FLASH_read(flashaddress, (Uint32)&data8, 1);
data16=data8<<8;
while (!DSK6713_AIC23_write(hCodec,data16));
flashaddress++;
if( flashaddress==0x9003d000) flashaddress=0x9003e000;
if(flashaddress-0x90040000==0)break;
} */
}//外层 while
}//switch 配对
}//外层while配对
} //main结束
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -