📄 jieshou.lst
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C51 COMPILER V7.06 JIESHOU 04/11/2008 22:34:51 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE JIESHOU
OBJECT MODULE PLACED IN Jieshou.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE Jieshou.c BROWSE DEBUG OBJECTEXTEND
stmt level source
1 #include <reg52.h>
2 #include <ABSACC.h>
3 #include <intrins.h>
4 #include <stdio.h>
5 #define uint unsigned int //0 ~ 255
6 #define uchar unsigned char
7 //--------------------------------------------------------------------------------------------------------
----------
8 #define BYTE_BIT0 0x01
9 #define BYTE_BIT1 0x02
10 #define BYTE_BIT2 0x04
11 #define BYTE_BIT3 0x08
12 #define BYTE_BIT4 0x10
13 #define BYTE_BIT5 0x20
14 #define BYTE_BIT6 0x40
15 #define BYTE_BIT7 0x80
16 bdata unsigned char DATA_BUF;
17 #define DATA7 ((DATA_BUF&BYTE_BIT7) != 0)
18 #define DATA0 ((DATA_BUF&BYTE_BIT0) != 0)
19 sbit flag =DATA_BUF^7;
20 sbit flag1 =DATA_BUF^0;
21 //--------------------------------------------------------------------------------------------------------
---------
22 #define TxRxBuf_Len 32
23 unsigned char TxRxBuffer[TxRxBuf_Len];
24 //------------------------------------------------NRF905端口配置------------------------------------------
---------
25 sbit TXEN=P1^0;
26 sbit TRX_CE=P3^4;
27 sbit PWR=P1^1;
28 sbit MISO=P1^6;
29 sbit MOSI=P1^5;
30 sbit SCK=P1^7;
31 sbit CSN=P1^3;
32 sbit AM=P1^4;
33 sbit DR=P3^2;
34 sbit CD=P1^2;
35 //-----------------------------------------------NRF905寄存器配置-----------------------------------------
--------
36 unsigned char idata RFConf[11]=
37 {
38 0x00, //配置命令//
39 0x4c,
40 0x0c,
41 0x44,0x04,0x04,
42 0xcc,0xcc,0xcc,0xcc,
43 0x58, //CRC充许，8位CRC校验，外部时钟信号不使能，16M晶振
44 };
45 //-----------------------------------------------NRF905控制命令-------------------------------------------
--------
46 #define WC 0x00
47 #define RC 0x10
48 #define WTP 0x20
49 #define RTP 0x21
50 #define WTA 0x22
C51 COMPILER V7.06 JIESHOU 04/11/2008 22:34:51 PAGE 2
51 #define RTA 0x23
52 #define RRP 0x24
53 //-----------------------------------------------延时-----------------------------------------------------
--------
54 void Delay(uchar n)
55 {
56 1 uint k;
57 1 while(n--)
58 1 for(k=0;k<8;k++);
59 1 }
60 ///-----------------------------------------------SPI读函数-----------------------------------------------
---------
61 unsigned char SpiRead(void)
62 {
63 1 unsigned char j;
64 1 for (j=0;j<8;j++)
65 1 {
66 2 DATA_BUF=DATA_BUF<<1;
67 2 SCK=1;
68 2 if (MISO) //读取最高位，保存至最末尾，通过左移位完成整个字节
69 2 {
70 3 DATA_BUF|=BYTE_BIT0;
71 3 }
72 2 else
73 2 {
74 3 DATA_BUF&=~BYTE_BIT0;
75 3 }
76 2 SCK=0;
77 2 }
78 1 return DATA_BUF;
79 1 }
80 //------------------------------------------------SPI写函数-----------------------------------------------
---------
81 void SpiWrite(unsigned char send)
82 {
83 1 unsigned char i;
84 1 DATA_BUF=send;
85 1 for (i=0;i<8;i++)
86 1 {
87 2 if (DATA7) //总是发送最高位
88 2 {
89 3 MOSI=1;
90 3 }
91 2 else
92 2 {
93 3 MOSI=0;
94 3 }
95 2 SCK=1;
96 2 DATA_BUF=DATA_BUF<<1;
97 2 SCK=0;
98 2 }
99 1 }
100 //--------------------------------------------------初始化nRF905状态--------------------------------------
-------------
101 void nRF905Init(void)
102 {
103 1 CSN=1; // Spi disable
104 1 SCK=0; // Spi clock line init low
105 1 DR=0; // Init DR for input
106 1 AM=0; // Init AM for input
107 1 CD=0; // Init CD for input
108 1 PWR=1; // nRF905 power on
C51 COMPILER V7.06 JIESHOU 04/11/2008 22:34:51 PAGE 3
109 1 TRX_CE=0; // Set nRF905 in standby mode
110 1 TXEN=0; // set radio in Rx mode
111 1 }
112 //--------------------------------------------------NRF905初始化寄存器------------------------------------
--------
113 void Config905(void)
114 {
115 1 uchar i;
116 1 CSN=0; // Spi enable for write a spi command
117 1 //SpiWrite(WC); // Write config command写放配置命令
118 1 for (i=0;i<11;i++) // Write configration words 写放配置字
119 1 {
120 2 SpiWrite(RFConf[i]);
121 2 }
122 1 CSN=1; // Disable Spi
123 1 }
124 //--------------------------------------------------NRF905接收模式----------------------------------------
--------
125 void SetRxMode(void)
126 {
127 1 TXEN=0;
128 1 TRX_CE=1;
129 1 Delay(1); // delay for mode change(>=650us)
130 1 }
131 //--------------------------------------------------判断数据是否收到--------------------------------------
--------
132 unsigned char CheckDR(void) //检查是否有新数据传入 Data Ready
133 {
134 1 if (DR=1&&TRX_CE==1 && TXEN==0)
135 1 {
136 2 // Delay(50) ;
137 2 return 1;
138 2 }
139 1 else
140 1 {
141 2 return 0;
142 2 }
143 1 }
144 //--------------------------------------------------数据接收----------------------------------------------
-------------
145 void RxPacket(void) //读数据
146 {
147 1 uchar i;
148 1 Delay(1);
149 1 // TRX_CE=0; // Set nRF905 in standby mode
150 1 Delay(100);
151 1 TRX_CE=0;
152 1 CSN=0; // Spi enable for write a spi command
153 1 Delay(1);
154 1 SpiWrite(RRP);
155 1 for (i = 0 ;i < 4 ;i++)
156 1 {
157 2 TxRxBuffer[i]=SpiRead(); // Read data and save to buffer
158 2 }
159 1 CSN=1;
160 1 Delay(10);
161 1 TRX_CE=1;
162 1 }
163 //--------------------------------------------------NRF905数据接收----------------------------------------
---------
164 void RX(void)
165 {
C51 COMPILER V7.06 JIESHOU 04/11/2008 22:34:51 PAGE 4
166 1 SetRxMode(); // Set nRF905 in Rx mode
167 1 while (CheckDR()==0);
168 1 Delay(10);
169 1 RxPacket();
170 1 Delay(10);
171 1 }
172 //-------------------------------------------------串口出事化---------------------------------------------
--------
173 void StartUART( void )
174 { //波特率4800
175 1 SCON = 0x50;
176 1 TMOD = 0x20;
177 1 TH1 = 0xFA;
178 1 TL1 = 0xFA;
179 1 PCON = 0x00;
180 1 TR1 = 1;
181 1 }
182 //------------------------------------------------串口发送------------------------------------------------
---------
183 void R_S_Byte(uchar R_Byte)
184 {
185 1 SBUF = R_Byte;
186 1 while( TI == 0 ); //查询法
187 1 TI = 0;
188 1 }
189 //--------------------------------------------------------------------------------------------------------
---------
190 void main(void)
191 {
192 1 StartUART();
193 1 nRF905Init();
194 1 Config905();
195 1 while(1)
196 1 {
197 2 char i;
198 2 RX();
199 2 Delay(10);
200 2 CSN=0;
201 2 for(i=0;i<4;i++)
202 2 {
203 3 R_S_Byte(TxRxBuffer[i]);
204 3 }
205 2 CSN=1;
206 2 Delay(1);
207 2 }
208 1 }
209
210
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 301 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 33 1
IDATA SIZE = 11 ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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