?? t905.lst
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C51 COMPILER V7.08 T905 04/08/2004 18:54:17 PAGE 1
C51 COMPILER V7.08, COMPILATION OF MODULE T905
OBJECT MODULE PLACED IN T905.OBJ
COMPILER INVOKED BY: D:\KEIL\C51\BIN\C51.EXE T905.c BROWSE DEBUG OBJECTEXTEND
line level source
1 /******************************************************************************************\
2 ============================================================================================
3 * T905.c
4 *
5 * This file is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTYT;
6 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
7 *
8 *
9 * NOTES:
10 * This program is for the nRF905 with 232 interface;
11 * $write date: 2004.4.7 ;time 11:00$
12 * $Revision: 1 $
13 *
14 /*******************************************************************************************/
15 #include <reg51.h>
16 #include <intrins.h>
17
18 #define uchar unsigned char
19 #define uint unsigned int
20
21 #define WC 0x00 // Write configuration register command
22 #define RC 0x10 // Read configuration register command
23 #define WTP 0x20 // Write TX Payload command
24 #define RTP 0x21 // Read TX Payload command
25 #define WTA 0x22 // Write TX Address command
26 #define RTA 0x23 // Read TX Address command
27 #define RRP 0x24 // Read RX Payload command
28 /*******************************************************************************************/
29 typedef struct RFConfig
30 {
31 uchar n;
32 uchar buf[10];
33 }RFConfig;
34
35 code RFConfig RxTxConf =
36 {
37 10,
38 0x01, 0x0c, 0x44, 0x20, 0x20, 0xcc, 0xcc, 0xcc,0xcc, 0x58
39 };
40 // The content of this struct is nRF905's initialize data.
41 // CH_NO=1;433MHZ;Normal Opration,No Retrans;RX,TX Address is 4 Bytes
42 // RX TX Payload Width is 32 Bytes;Disable Extern Clock;Fosc=16MHZ
43 // 8 Bits CRC And enable
44 /*******************************************************************************************/
45 uchar data TxBuf[32];
46 uchar data RxBuf[32];
47 /*******************************************************************************************/
48 uchar bdata DATA_BUF;
49 sbit flag =DATA_BUF^7;
50 sbit flag1 =DATA_BUF^0;
51 /*******************************************************************************************/
52 sbit TX_EN =P2^6;
53 sbit TRX_CE =P2^5;
54 sbit PWR_UP =P2^4;
55 sbit MISO =P2^3;
C51 COMPILER V7.08 T905 04/08/2004 18:54:17 PAGE 2
56 sbit MOSI =P2^2;
57 sbit SCK =P2^1;
58 sbit CSN =P2^0;
59
60 sbit AM =P3^2;
61 sbit DR =P3^3;
62 sbit CD =P3^5;
63
64 /*******************************************************************************************/
65 void InitIO(void); // Initialize IO port
66 void Inituart(void); // initialize 232 uart
67 void Config905(void); // Config nRF905 module
68 void SetTxMode(void); // Set nRF905 in Tx mode
69 void SetRxMode(void); // Set nRF905 in Rx mode
70 void TxPacket(void); // Send data by nRF905
71 void RxPacket(void); // Recive data by nRF905
72 void SpiWrite(uchar); // Write data to nRF905
73 uchar SpiRead(void); // Read data to nRF905
74 void Delay(uchar n); // Delay 100us
75 void Scankey(void); // Scan key
76 void TxData (uchar x); // Send key_value to CRT display
77 /*******************************************************************************************/
78 //function main();
79 /*******************************************************************************************/
80 void main(void)
81 {
82 1 InitIO(); // Initialize IO port
83 1 Inituart(); // initialize 232 uart
84 1 Config905(); // Config nRF905 module
85 1 SetTxMode(); // Set Tx Mode
86 1 TxPacket(); // Transmit Tx buffer data
87 1 Delay(500); // delay for led light
88 1 P0=0xff; // led close
89 1 SetRxMode(); // Set nRF905 in Rx mode
90 1 while(1) // circulation
91 1 {
92 2 Scankey(); // Scan key
93 2 if (DR) // If recive data ready...
94 2 RxPacket(); // ... recive data
95 2 }
96 1 }
97 /*******************************************************************************************/
98 //function InitIO();
99 /*******************************************************************************************/
100 void InitIO(void)
101 {
102 1 P0=0x0f; // led light
103 1 CSN=1; // Spi disable
104 1 SCK=0; // Spi clock line init high
105 1 DR=1; // Init DR for input
106 1 AM=1; // Init AM for input
107 1 PWR_UP=1; // nRF905 power on
108 1 TRX_CE=0; // Set nRF905 in standby mode
109 1 TX_EN=0; // set radio in Rx mode
110 1 }
111 /*******************************************************************************************/
112 //function Inituart();
113 /*******************************************************************************************/
114 void Inituart(void)
115 {
116 1 TMOD = 0x20; //timer1 working mode 1
117 1 TL1 = 0xfd; //f7=9600 for 16mhz Fosc,and ...
C51 COMPILER V7.08 T905 04/08/2004 18:54:17 PAGE 3
118 1 TH1 = 0xfd; //...fd=19200 for 11.0592mhz Fosc
119 1 SCON = 0xd8; //uart mode 3,ren==1
120 1 PCON = 0x80; //smod=0
121 1 TR1 = 1; //start timer1
122 1 }
123 /*******************************************************************************************/
124 //function Config905();
125 /*******************************************************************************************/
126 void Config905(void)
127 {
128 1 uchar i;
129 1 CSN=0; // Spi enable for write a spi command
130 1 SpiWrite(WC); // Write config command
131 1 for (i=0;i<RxTxConf.n;i++) // Write configration words
132 1 {
133 2 SpiWrite(RxTxConf.buf[i]);
134 2 }
135 1 CSN=1; // Disable Spi
136 1 }
137 /*******************************************************************************************/
138 //function Delay100us();Delay 100us
139 /*******************************************************************************************/
140 void Delay(uchar n)
141 {
142 1 uint i;
143 1 while(n--)
144 1 for(i=0;i<80;i++);
145 1 }
146 /*******************************************************************************************/
147 //function SpiWrite();
148 /*******************************************************************************************/
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