红外人体感应模块：
实体图：
源代码：
/*GR-SAKURA Sketch Template Version: V1.01*/
#include
#define INTERVAL 100
void setup()
{
pinMode(PIN_LED0,OUTPUT);
pinMode(PIN_LED1,OUTPUT);
pinMode(PIN_P22,INPUT);
}
void loop()
{
while(1)
{
if(digitalRead(PIN_P22) != 0x01)
{
digitalWrite(PIN_LED0, 1);
delay(INTERVAL);
digitalWrite(PIN_LED0, 0);
delay(INTERVAL);
}
else
{
digitalWrite(PIN_LED1, 1);
delay(INTERVAL);
digitalWrite(PIN_LED1, 0);
delay(INTERVAL);
}
}
}
下面是人体红外感应模块外接示意图：
人体红外感应模块工作原理：当有人进入其感应范围则输入高电平，人离开感应范围则自动延时关闭高电平并输出低电平。我用板子P22引脚接收红外模块发出的感应信号。
Sakura板--收音机模块
#include
#include
#define uchar unsigned char
#define uint unsigned int
uchar radio_write_data[5] = {0x29,0xc2,0x20,0x11,0x00};//要写入TEA5767的数据
uint radio_read_data[5];
uint pll = 0x29c2; //默认电台的pll=87.8MHZ
uint max_pll = 0x339b; //108MHz时的pll,
uint min_pll = 9000; //70MHz时的pll
uint max_freq = 1000;
uint min_freq = 0;
uint frequency;
int get_pll();
int get_frequency();
void radio_write()
{
uchar i;
Wire.begin();
Wire.write(0xc0);//TEA5767写地址
while(!Wire.available())
{
for(i = 0;i < 5;i++)
{
Wire.beginTransmission(0);
Wire.write(radio_write_data[i]);
}
}
Wire.endTransmission();
}
void radio_read()
{
uchar i;
uchar temp_l,temp_h;
uchar pll = 0;
Wire.begin();
Wire.write(0xc1); //TEA5767读地址
if(!Wire.available())
{
for(i=0;i<5;i++)
{
Wire.beginTransmission(0);
radio_read_data[i] = Wire.read();
}
}
Wire.endTransmission();
temp_l=radio_read_data[1];
temp_h=radio_read_data[0];
temp_h&=0x3f;
pll=temp_h*256+temp_l;
get_frequency();
}
//由频率计算PLL
int get_pll()
{
uchar hlsi;
uint twpll=0;
hlsi = radio_write_data[2]&0x10;
if (hlsi)
pll=(unsigned int)((float)((frequency+225)*4)/(float)32.768);
//频率单位:kMZ
else
pll=(unsigned int)((float)((frequency-225)*4)/(float)32.768);
//频率单位:k
return pll;
}
//由PLL计算频率
int get_frequency()
{
unsigned char hlsi;
unsigned int npll=0;
npll=get_pll();
hlsi=radio_write_data[2]&0x10;
if (hlsi)
frequency=(unsigned long)((float)(npll)*(float)8.192-225);
//频率单位:KHz
else
frequency=(unsigned long)((float)(npll)*(float)8.192+225);
//频率单位:KHz
return frequency;
}
//手动设置频率,mode=1,+0.1MHz; mode=0:-0.1MHz ,不用考虑TEA5767
//用于搜台的相关位:SM,SUD
void search(char mode)
{
int frequency1 = get_frequency();
radio_read();
if(mode)
{
frequency+=100;
if(frequency>max_freq)
frequency=min_freq;
}
else
{
frequency-=100;
if(frequency frequency=max_freq;
}
get_pll();
radio_write_data[0]=pll/256;
radio_write_data[1]=pll%256;
radio_write_data[2]=0x20;
radio_write_data[3]=0x11;
radio_write_data[4]=0x00;
radio_write();
}
void setup()
{
TwoWire ();
Wire.begin();
radio_write();
radio_read();
get_pll();
get_frequency();
}
void loop()
{
while(1)
{
search(1);
}
}
Sakura板--步进电机
#include
#include//引入步进电机库函数
Stepper step21(10,PIN_P51,5PIN_P53,PIN_P54,PIN_P5); //启动步进电机;
void setup()
{
pinMode(PIN_P51,OUTPUT);
pinMode(PIN_P53,OUTPUT);
pinMode(PIN_P54,OUTPUT);
pinMode(PIN_P55,OUTPUT);
}
void loop()
{
step21.setSpeed(10);//设置转速
step21.step(2);//正转
while(1)
{
digitalWrite(PIN_P51,1);
digitalWrite(PIN_P53,1);
digitalWrite(PIN_P54,1);
digitalWrite(PIN_P55,1);
delay(100);
step21.step(-2);//反转
digitalWrite(PIN_P51,1);
digitalWrite(PIN_P53,1);
digitalWrite(PIN_P54,1);
digitalWrite(PIN_P55,1);
delay(100);
}
}
#include
#include
#define DHT11_PIN 23
byte read_dht11_dat()
{
byte i = 0;
byte result=0;
for(i=0; i< 8; i++) //读入数据
{
while(!(PINC & _BV(DHT11_PIN))); // 延时等待
delayMicroseconds(30);
if(PINC & _BV(DHT11_PIN))
result |=(1<<(7-i));
while((PINC & _BV(DHT11_PIN))); // 当值为“1”时停止
}
return result;
}
void setup()
{
DDRC |= _BV(DHT11_PIN);
PORTC |= _BV(DHT11_PIN);
Serial.begin(19200); //串口波特率
Serial.println("Ready"); //串口准备
}
void loop()
{
byte dht11_dat[5];
byte dht11_in;
byte i;
PORTC &= ~_BV(DHT11_PIN);
delay(18);
PORTC |= _BV(DHT11_PIN);
delayMicroseconds(40);
DDRC &= ~_BV(DHT11_PIN);
delayMicroseconds(40);
dht11_in = PINC & _BV(DHT11_PIN);
if(dht11_in)
{
Serial.println("dht11 start condition 1 not met");
return;
}
delayMicroseconds(80); //延时等待
dht11_in = PINC & _BV(DHT11_PIN);
if(!dht11_in)
{
Serial.println("dht11 start condition 2 not met");
return;
}
delayMicroseconds(80); //准备接收数据
for (i=0; i<5; i++)
dht11_dat[i] = read_dht11_dat();
DDRC |= _BV(DHT11_PIN);
PORTC |= _BV(DHT11_PIN);
byte dht11_check_sum = dht11_dat[0]+dht11_dat[1]+dht11_dat[2]+dht11_dat[3];
if(dht11_dat[4]!= dht11_check_sum) //检查接受结果
{
Serial.println("DHT11 checksum error");
}
Serial.print("Current humdity = ");
Serial.print(dht11_dat[0], DEC);
Serial.print(".");
Serial.print(dht11_dat[1], DEC);
Serial.print("% ");
Serial.print("temperature = ");
Serial.print(dht11_dat[2], DEC);
Serial.print(".");
Serial.print(dht11_dat[3], DEC);
Serial.println("C ");
delay(2000);
}
显示模块--迪文7寸屏
部分源代码：
#define HEAD 0xAA //命令的帧头
#define BLACK 0x0000 // hei ? 0, 0, 0
#define NAVY 0x000F // shenlan ? 0, 0, 128
#define DGREEN 0x03E0 // shenlv ? 0, 128, 0
#define DCYAN 0x03EF // shenqing ? 0, 128, 128
#define MAROON 0x7800 // shenhong ?128, 0, 0
#define PURPLE 0x780F // zi ?128, 0, 128
#define OLIVE 0x7BE0 // ganlanlv ?128, 128, 0
#define LGRAY 0xC618 // huibai ?192, 192, 192
#define DGRAY 0x7BEF // shenhui ?128, 128, 128
#define BLUE 0x001F // lan ? 0, 0, 255
#define GREEN 0x07E0 // lv ? 0, 255, 0
#define CYAN 0x07FF // qing ? 0, 255, 255
#define RED 0xF800 // hong ?255, 0, 0
#define MAGENTA 0xF81F // pinhong ?255, 0, 255
#define YELLOW 0xFFE0 // huang ?255, 255, 0
#define WHITE 0xFFFF // bai ?255, 255, 255
// define the command
#define HMI_HANDSHAKE 0x00
#define HMI_HANDSHAKE_ACK 0x3c
#define HMI_SET_PALETTE 0x40
#define HMI_SET_SPACING 0x41
#define HMI_CURSOR 0x44
#define HMI_CLEAR 0x52
#define HMI_DISPLAY_PICTURE 0x70
#define HMI_CHAR_8x8 0x53
#define HMI_CHAR_16x16 0x54
#define HMI_CHAR_32x32 0x55
#define HMI_CHAR_12x12 0x6e
#define HMI_CHAR_24x24 0x6f
#define HMI_DISSTR_MEGA 0x98
#define HMI_BACKLIGHT_ON 0x5f
#define HMI_BACKLIGHT_OFF 0x5e
char windowtext[1];
unsigned char afwkq[27]={0xAA, 0x98, 0x01, 0x9A, 0x00, 0x6E, 0x22, 0x81, 0x02,
0x00, 0x00, 0x00,
0x1F, 0xB0, 0xB2, 0xB7, 0xC0, 0xCE, 0xB4, 0xBF, 0xAA, 0xC6, 0xF4,
0xCC, 0x33, 0xC3, 0x3C};
unsigned char jkz[29]={0xAA, 0x98, 0x01, 0x9A, 0x00, 0x6E, 0x22, 0x81, 0x02,
0x00, 0x00, 0x00,
0x1F, 0xBC, 0xE0, 0xBF, 0xD8, 0xD6, 0xD0, 0x2E, 0x2E, 0x2E, 0x2E,
0x2E, 0x2E, 0xCC, 0x33, 0xC3, 0x3C};
unsigned char jg[35]={0xAA, 0x98, 0x01, 0x9A, 0x00, 0x6E, 0x22, 0x81, 0x02, 0x00,
0x00, 0x00, 0x1F,
0xBE, 0xAF, 0xB8, 0xE6, 0xA3, 0xA1, 0xD3, 0xD0, 0xD2, 0xEC, 0xB3,
0xA3, 0xC7, 0xE9, 0xBF, 0xF6, 0xA3, 0xA1, 0xCC, 0x33, 0xC3, 0x3C};
unsigned char zc[21]={0xAA, 0x98, 0x01, 0x54, 0x00, 0xA0, 0x22, 0x81, 0x02, 0x00,
0x00, 0x00, 0x1F, 0xD5, 0xFD, 0xB3, 0xA3, 0xCC, 0x33, 0xC3, 0x3C};
unsigned char cb[23]={0xAA, 0x98, 0x01, 0x54, 0x00, 0xA0, 0x22, 0x81, 0x02, 0x00,
0x00, 0x00, 0x1F, 0xB3, 0xAC, 0xB1, 0xEA, 0xA3, 0xA1, 0xCC, 0x33, 0xC3, 0x3C};
/********************************
* 函数名称：lcdInt()
* 函数介绍： lcd初始化函数
* 入口参数： 无
* 出口参数： 无
*********************************/
void lcdInt()
{
Serial.begin(115200);
}
/******************************************************************************
* 函数名称：lcdCommandOver()
* 函数介绍： 向LCD发送帧尾命令
* 入口参数：无
* 出口参数：无
******************************************************************************/
void lcdCommandOver()
{
UARTCharSend(lcdPort,0XCC);
UARTCharSend(lcdPort,0X33);
UARTCharSend(lcdPort,0XC3);
UARTCharSend(lcdPort,0X3C);
}
/******************************************************************************
* 函数名称：llcdCommandSend(unsigned char *str)
* 函数介绍： 向LCD发送命令
* 入口参数：命令指针
* 出口参数：无
******************************************************************************/
void lcdCommandSend(unsigned char *str)
{
lcdCommandStart();
UARTSend(lcdPort,str,strlen(str));
lcdCommandOver();
}
/******************************************************************************
* 函数名称：JumpPic(uint8 PicId)
* 函数介绍：HMI LCD图片跳转显示函数
* 入口参数：PicId为已下载进入HMI LCD的图片编号
* 出口参数：无
* 说 明：必须先下载图片
******************************************************************************/
void JumpPic(unsigned char PicId)
{
lcdCommandStart();
UARTCharSend(lcdPort, HMI_DISPLAY_PICTURE );
UARTCharSend(lcdPort, PicId);
lcdCommandOver();
}
