遙控器接收溫濕度的單片機源碼

ID:314426 · 發表于 2018-4-23 13:57

單片機源程序如下:

#include <reg51.h>
#include <intrins.h>
#include "nrf24l01.h"
#include "12864.h"
/***************************************************
*This file is distributed in the hope that it will be useful, but WITHOUT ANY WARRANT;
*
*UART:9600BPS
/***************************************************/
#define uchar unsigned char
#define uint unsigned int
#define TX_ADR_WIDTH 5 // 5 bytes TX(RX) address width
#define TX_PLOAD_WIDTH 20 // 20 bytes TX payload 發送的字節數
uchar quanshu=0; //用來記錄圈數
uchar xian=0; //用來記錄經過了幾條線
uchar const TX_ADDRESS[TX_ADR_WIDTH] = {0x34,0x43,0x10,0x10,0x86}; // Define a static TX address 靜態地址
uchar code dis1[] = {0xc8,0xa6,0xca,0xfd}; //圈數
uchar code dis2[] = {"濕度初始化中"};
//uchar code dis3[] = {"無障礙物"};
uchar code dis4[10]={0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7,0xb8,0xb9};
uchar code dis5[] = {"黑線"};
uchar code dis6[]={"溫度初始化中"};
uchar code digit[10]={"0123456789"};
uchar code dis7[]={"傳感器異常"};
uchar rx_buf[TX_PLOAD_WIDTH];
uchar tx_buf[TX_PLOAD_WIDTH];
uchar flag;
/**************************************************/
sbit CE = P1^0;
sbit CSN= P1^4;
sbit SCK= P1^7;
sbit MOSI= P1^5;
sbit MISO= P1^6;
sbit IRQ = P3^2;
/**************************************************/
uchar bdata sta;
sbit RX_DR =sta^6;
sbit TX_DS =sta^5;
sbit MAX_RT =sta^4;
/**************************************************/
sbit LED1=P2^5;
sbit LED2=P2^6;
/**************************************************
Function: Init_IO();
Description:
flash led one time,chip enable(ready to TX or RX Mode),
Spi disable,Spi clock line init high
描述：
閃光燈一次，芯片使能（準備進入TX或RX模式）
Spi禁用，Spi時鐘線初始化高
/**************************************************/
#define KEY 0x60 // 0x60 0110 0000
void dislap(uchar q);
void Init_IO(void)
{
P0=KEY; // led light
CE=0; // chip enable
CSN=1; // Spi disable
SCK=0; // Spi clock line init high
P0=0xff; // led close
}
/**************************************************
Function: Init_uart();
Description:
set uart working mode
描述：
設置定時計數器工作模式
/**************************************************/
void Init_uart(void)
{
TMOD = 0x20; //timer1 working mode 1
TL1 = 0xfd; //f7=9600 for 16mhz Fosc,and ...
TH1 = 0xfd; //...fd=19200 for 11.0592mhz Fosc
SCON = 0xd8; //uart mode 3,ren==1
PCON = 0x80; //smod=0
TR1 = 1; //start timer1
}
/**************************************************
Function: Init_int0();
Description:
enable int0 interrupt;
中斷0使能
/**************************************************
void Init_int0(void)
{
EA=1;
EX0=1; // Enable int0 interrupt.
}
/**************************************************/
/**************************************************
Function: delay100();
Description:
delay 100ms
延時100毫秒
/**************************************************
void delay100(void)
{
uchar x;
uchar y;
for(x=0;x<100;x++)
{
for(y=0;y<100;y++)
_nop_();
}
}
/**************************************************/
/**************************************************
Function: delay_ms();
Description:
delay x ms
延時X毫秒
/**************************************************/
void delay_ms(unsigned int x)
{
unsigned int i,j;
i=0;
for(i=0;i<x;i++)
{
j=108;
;
while(j--);
}
}
/**************************************************
Function: SPI_RW();
Description:
Writes one byte to nRF24L01, and return the byte read
from nRF24L01 during write, according to SPI protocol
根據SPI協議寫一個字節到nRF24L01，
并在寫期間返回從nRF24L01讀取的字節
/**************************************************/
uchar SPI_RW(uchar byte)
{
uchar bit_ctr;
for(bit_ctr=0;bit_ctr<8;bit_ctr++) // output 8-bit 輸出8位
{
MOSI = (byte & 0x80); // output 'byte', MSB to MOSI 最高位寫入主輸出從輸入
byte = (byte << 1); // shift next bit into MSB.. 將下一位移到最高位
SCK = 1; // Set SCK high.. 同步時鐘置高位
byte |= MISO; // capture current MISO bit 捕獲主輸入從輸出位
SCK = 0; // ..then set SCK low again 同步時鐘置0
}
return(byte); // return read byte
}
/**************************************************
Function: SPI_RW_Reg();
Description:
Writes value 'value' to register 'reg'
/**************************************************/
uchar SPI_RW_Reg(uchar reg, uchar value)
{
uchar status;
CSN = 0; // CSN low, init SPI transaction SPI片選
status = SPI_RW(reg); // select register
SPI_RW(value); // ..and write value to it..
CSN = 1; // CSN high again
return(status); // return nRF24L01 status byte
}
/**************************************************
Function: SPI_Read();
Description:
Read one byte from nRF24L01 register, 'reg'
/**************************************************/
uchar SPI_Read(uchar reg)
{
uchar reg_val;
CSN = 0; // CSN low, initialize SPI communication...
SPI_RW(reg); // Select register to read from..
reg_val = SPI_RW(0); // ..then read registervalue
CSN = 1; // CSN high, terminate SPI communication
return(reg_val); // return register value
}
/**************************************************
Function: SPI_Read_Buf();
Description:
Reads 'bytes' #of bytes from register 'reg'
Typically used to read RX payload, Rx/Tx address
/**************************************************/
uchar SPI_Read_Buf(uchar reg, uchar *pBuf, uchar bytes)
{
uchar status,byte_ctr;
CSN = 0; // Set CSN low, init SPI tranaction SPI片選
status = SPI_RW(reg); // Select register to write to and read status byte
for(byte_ctr=0;byte_ctr<bytes;byte_ctr++)
pBuf[byte_ctr] = SPI_RW(0); // Perform SPI_RW to read byte from nRF24L01 從nRF24L01讀取字節
CSN = 1; // Set CSN high again
return(status); // return nRF24L01 status byte
}
/**************************************************
Function: SPI_Write_Buf();
Description:
Writes contents of buffer '*pBuf' to nRF24L01 將緩沖區'* pBuf'的內容寫入nRF24L01
Typically used to write TX payload, Rx/Tx address
/**************************************************/
uchar SPI_Write_Buf(uchar reg, uchar *pBuf, uchar bytes)
{
uchar status,byte_ctr;
CSN = 0; // Set CSN low, init SPI tranaction SPI片選
status = SPI_RW(reg); // Select register to write to and read status byte
for(byte_ctr=0; byte_ctr<bytes; byte_ctr++) // then write all byte in buffer(*pBuf) 將所有字節寫入緩沖區
SPI_RW(*pBuf++);
CSN = 1; // Set CSN high again
return(status); // return nRF24L01 status byte
}
/**************************************************
Function: RX_Mode();
Description:
This function initializes one nRF24L01 device to
RX Mode, set RX address, writes RX payload width,
select RF channel, datarate & LNA HCURR.
After init, CE is toggled high, which means that
this device is now ready to receive a datapacket.
該函數將一個nRF24L01器件初始化為RX模式，設置RX地址，
寫入RX有效負載寬度，選擇RF通道，數據速率和LNA HCURR。
在init之后，CE被切換為高電平，這意味著該設備現在準備好
接收數據包
/**************************************************/
void RX_Mode(void)
{
CE=0;
SPI_Write_Buf(WRITE_REG + RX_ADDR_P0, TX_ADDRESS, TX_ADR_WIDTH); // Use the same address on the RX device as the TX device 在RX設備上使用與TX設備相同的地址
SPI_RW_Reg(WRITE_REG + EN_AA, 0x01); // Enable Auto.Ack:Pipe0
SPI_RW_Reg(WRITE_REG + EN_RXADDR, 0x01); // Enable Pipe0
SPI_RW_Reg(WRITE_REG + RF_CH, 40); // Select RF channel 40
SPI_RW_Reg(WRITE_REG + RX_PW_P0, TX_PLOAD_WIDTH); // Select same RX payload width as TX Payload width 數據寬度相同
SPI_RW_Reg(WRITE_REG + RF_SETUP, 0x07); // TX_PWR:0dBm, Datarate:2Mbps, LNA:HCURR 發射功率，數據率
SPI_RW_Reg(WRITE_REG + CONFIG, 0x0f); // Set PWR_UP bit, enable CRC(2 bytes) & Prim:RX. RX_DR enabled..
CE = 1; // Set CE pin high to enable RX device 使能接受
// This device is now ready to receive one packet of 16 bytes payload from a TX device sending to address
// '3443101001', with auto acknowledgment, retransmit count of 10, RF channel 40 and datarate = 2Mbps.
//此設備現在準備好從發送到地址'3443101001'的TX設備接收一個16字節有效載荷的包，其具有自動確認，重傳計數為10，RF信道40和數據速率= 2Mbps。
}
/**************************************************
Function: TX_Mode();
Description:
This function initializes one nRF24L01 device to
TX mode, set TX address, set RX address for auto.ack,
fill TX payload, select RF channel, datarate & TX pwr.
PWR_UP is set, CRC(2 bytes) is enabled, & PRIM:TX.
ToDo: One high pulse(>10us) on CE will now send this
packet and expext an acknowledgment from the RX device.
該函數將一個nRF24L01器件初始化為TX模式，設置TX地址，
為auto.ack設置RX地址，填充TX有效負載，選擇RF通道，
數據和TX pwr。 PWR_UP置1，CRC（2字節）使能，＆PRIM：TX。
ToDo：CE上的一個高脈沖（> 10us）現在將發送此數據包，并從RX設備展開確認。
/**************************************************/
void TX_Mode(void)
{
CE=0;
SPI_Write_Buf(WRITE_REG + TX_ADDR, TX_ADDRESS, TX_ADR_WIDTH); // Writes TX_Address to nRF24L01 將發送地址寫入nRF24L01
SPI_Write_Buf(WRITE_REG + RX_ADDR_P0, TX_ADDRESS, TX_ADR_WIDTH); // RX_Addr0 same as TX_Adr for Auto.Ack
SPI_Write_Buf(WR_TX_PLOAD, tx_buf, TX_PLOAD_WIDTH); // Writes data to TX payload 將數據寫到發送區
SPI_RW_Reg(WRITE_REG + EN_AA, 0x01); // Enable Auto.Ack:Pipe0
SPI_RW_Reg(WRITE_REG + EN_RXADDR, 0x01); // Enable Pipe0
SPI_RW_Reg(WRITE_REG + SETUP_RETR, 0x1a); // 500us + 86us, 10 retrans...
SPI_RW_Reg(WRITE_REG + RF_CH, 40); // Select RF channel 40
SPI_RW_Reg(WRITE_REG + RF_SETUP, 0x07); // TX_PWR:0dBm, Datarate:2Mbps, LNA:HCURR
SPI_RW_Reg(WRITE_REG + CONFIG, 0x0e); // Set PWR_UP bit, enable CRC(2 bytes) & Prim:TX. MAX_RT & TX_DS enabled..
CE=1;
xian=0;
}
/**************************************************
Function: check_ACK();
Description:
check if have "Data sent TX FIFO interrupt",if TX_DS=1,
all led light and after delay 100ms all led close
檢查是否有“數據發送TX FIFO中斷”，如果TX_DS = 1，
所有LED指示燈和延時100ms后全部LED關閉
/**************************************************
void check_ACK()
{
uchar test;
test=SPI_Read(READ_REG+STATUS); // read register STATUS's
test=test&0x20; // check if have Data sent TX FIFO interrupt (TX_DS=1)
if(test==0x20) // TX_DS =1
{
P0=0x00; // turn on all led
delay100(); // delay 100ms
P0=0xff;
}
}
/**************************************************/
/**************************************************
Function: TxData();
Description:
write data x to SBUF
/**************************************************
void TxData (uchar x)
{
SBUF=x; // write data x to SBUF
while(TI==0);
TI=0;
}
/**************************************************/
/**************************************************
Function: CheckButtons();
Description:
check buttons ,if have press,read the key values,
turn on led and transmit it; after transmition,
if received ACK, clear TX_DS interrupt and enter RX Mode;
turn off the led
檢查按鈕，如果有按下，讀取鍵值，打開led并發送;
發送后，如果收到ACK，清除TX_DS中斷并進入RX模式;關閉led
/**************************************************/
void CheckButtons()
{
uchar Temp,Tempi;
Temp=P3&KEY; //讀鍵值
if (Temp!=KEY)
{
delay_ms(10);
Temp=P3&KEY; // 讀鍵值
if (Temp!=KEY)
{
switch(Temp)
{
case 0x20:Tempi=0x01;
break;
case 0x40:Tempi=0x02;dislap(++quanshu);
break;
default:Tempi=0xff;
}
tx_buf[0]=Tempi;
TX_Mode(); // 置發射模式并開始發射數據
delay_ms(10);
SPI_RW_Reg(WRITE_REG+STATUS,SPI_Read(READ_REG+STATUS)); // 清除(TX_DS)中斷標志
delay_ms(500);
RX_Mode(); // 置位接收模式
while((P3&KEY)!=KEY);
}
}
}
/**************************************************
Function: main();
Description:
control all subprogrammes;
/**************************************************/
void displayInist()
{
uchar i;
lcd_pos(0,0); //設置顯示位置為第一行的第1個字符
i = 0;
while(i<5)
{ //顯示圈數
lcd_wdat(dis1[i]);
i++;
}
lcd_pos(1,0); //設置顯示位置為第二行的第1個字符
i = 0;
while(dis5[i] != '\0')
{
lcd_wdat(dis5[i]); //顯示經過了幾條線
i++;
}
lcd_wdat('0');
lcd_pos(2,0); //設置顯示位置為第三行的第1個字符
i = 0;
while(dis2[i] != '\0')
{
lcd_wdat(dis2[i]); //顯示濕度初始化
i++;
}
lcd_pos(3,0); //設置顯示位置為第四行的第1個字符
i = 0;
while(dis6[i] != '\0')
{
lcd_wdat(dis6[i]); //顯示溫度初始化
i++;
}
}
//顯示圈數的數字
void dislap(uchar q)
{
uchar tq;
if(q<10)
{
lcd_pos(0,2);
lcd_wdat(0xa3);
lcd_wdat(dis4[q]);
}
else
{
tq=q/10;
lcd_pos(0,2);
lcd_wdat(0xa3);
lcd_wdat(dis4[tq]);
tq=q%10;
lcd_pos(0,3);
lcd_wdat(0xa3);
lcd_wdat(dis4[tq]);
}
}
//判斷接收的數據給出反應
void display(uchar xx,uchar yy)
{
uchar i,T,H;
uchar t=0;
if(xx==0xff)
return;
if(xx==0x01)
{
lcd_pos(1,2);
lcd_wdat(0xa3);
lcd_wdat(dis4[++xian]);
}
if(xx==0x02)
{
lcd_pos(2,0); //設置顯示位置為第三行的第1個字符
i = 0;
while(dis2[i] != '\0')
{
lcd_wdat(dis2[i]); //顯示有擋板
i++;
}
}
if(xx==0x03)
{
lcd_pos(3,2);
for(i=0;i<12;i++)
{
lcd_wdat(' '); //清除“初始化中”
}
lcd_pos(3,3); //設置顯示位置為第三行的第1個字符
i = 0;
while(dis7[i] != '\0')
{
lcd_wdat(dis7[i]); //顯示傳感器異常
i++;
}
}
if(xx!=0x01&&xx!=0x02&&xx!=0x03) //顯示溫度情況
{
T=xx%100;
H=yy%100;
lcd_pos(2,2);
for(i=0;i<12;i++)
{
lcd_wdat(' '); //清除內容以便顯示濕度
}
lcd_pos(3,2);
for(i=0;i<12;i++)
{
lcd_wdat(' '); //清除內容以便顯示溫度
}
lcd_pos(2,2);
lcd_wdat(digit[H/10]);
lcd_wdat(digit[H%10]);
lcd_wdat(0xa3);
lcd_wdat(0xa5);
lcd_pos(3,2);
lcd_wdat(digit[T/10]);
lcd_wdat(digit[T%10]);
lcd_wdat(0xa1);
lcd_wdat(0xe6);
}
}
void main(void)
{
uchar xx,yy;
Init_IO(); // Initialize IO port 初始化IO端口
Init_uart(); // Initialize 232 uart
//Init_int0(); // enable int0 interrupt
RX_Mode(); // set RX mode
delay_ms(20); //延時
lcd_init(); //初始化LCD
displayInist(); //初始化顯示界面。
while(1)
{
CheckButtons(); // scan key value and transmit 掃描鍵值和發送
sta=SPI_Read(STATUS); // read register STATUS's value 讀寄存器STATUS的值
//---------------------------------- 余下見附件-----------------------//

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遙控器接收溫濕度的單片機源碼