forked from rmokerone/env_base
-
Notifications
You must be signed in to change notification settings - Fork 0
/
nRF24L01.h
114 lines (97 loc) · 5.12 KB
/
nRF24L01.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
//nrf24l01.h
#define F_CPU 8E6
#include <avr/io.h>
#include <util/delay.h>
#define uchar unsigned char
//快捷方式设置寄存器
#define BIT(x) (1 << (x))
#define SETBITS(x,y) ((x) |= (y))
#define CLEARBITS(x,y) ((x) &= (~(y)))
#define SETBIT(x,y) SETBITS((x),(BIT((y))))
#define CLEARBIT(x,y) CLEARBITS((x),(BIT((y))))
//置位CSN
#define CSN_EN SETBIT(PORTB,CSN)
//清零CSN
#define CSN_CLR CLEARBIT(PORTB,CSN)
#define CE_EN SETBIT(PORTB,CE)
#define CE_CLR SETBIT(PORTB,CE)
#ifndef _BYTE_DEF_
#define _BYTE_DEF_
#define BYTE unsigned char
#define uchar unsigned char
#define TX_ADR_WIDTH 5 // 5 bytes TX(RX) address width
#define TX_PLOAD_WIDTH 32 // 32 bytes TX payload
#define READ_REG 0x00 // Define read command to register
#define WRITE_REG 0x20 // Define write command to register
#define RD_RX_PLOAD 0x61 // Define RX payload register address
#define WR_TX_PLOAD 0xA0 // Define TX payload register address
#define FLUSH_TX 0xE1 // Define flush TX register command
#define FLUSH_RX 0xE2 // Define flush RX register command
#define REUSE_TX_PL 0xE3 // Define reuse TX payload register command
#define NOP 0xFF // Define No Operation, might be used to read status register
//***************************************************//
// SPI(nRF24L01) registers(addresses)
#define CONFIG 0x00 // 'Config' register address
#define EN_AA 0x01 // 'Enable Auto Acknowledgment' register address
#define EN_RXADDR 0x02 // 'Enabled RX addresses' register address
#define SETUP_AW 0x03 // 'Setup address width' register address
#define SETUP_RETR 0x04 // 'Setup Auto. Retrans' register address
#define RF_CH 0x05 // 'RF channel' register address
#define RF_SETUP 0x06 // 'RF setup' register address
#define STATUS 0x07 // 'Status' register address #define OBSERVE_TX 0x08 // 'Observe TX' register address
#define CD 0x09 // 'Carrier Detect' register address
#define RX_ADDR_P0 0x0A // 'RX address pipe0' register address
#define RX_ADDR_P1 0x0B // 'RX address pipe1' register address
#define RX_ADDR_P2 0x0C // 'RX address pipe2' register address
#define RX_ADDR_P3 0x0D // 'RX address pipe3' register address
#define RX_ADDR_P4 0x0E // 'RX address pipe4' register address
#define RX_ADDR_P5 0x0F // 'RX address pipe5' register address
#define TX_ADDR 0x10 // 'TX address' register address
#define RX_PW_P0 0x11 // 'RX payload width, pipe0' register address
#define RX_PW_P1 0x12 // 'RX payload width, pipe1' register address
#define RX_PW_P2 0x13 // 'RX payload width, pipe2' register address
#define RX_PW_P3 0x14 // 'RX payload width, pipe3' register address
#define RX_PW_P4 0x15 // 'RX payload width, pipe4' register address
#define RX_PW_P5 0x16 // 'RX payload width, pipe5' register address
#define FIFO_STATUS 0x17 // 'FIFO Status Register' register address
#define STA_MARK_RX 0X40
#define STA_MARK_TX 0X20
#define STA_MARK_MX 0X10
//定义接收缓冲区和发送数据缓冲区，要收发数据时可直接重缓冲区中读取
uchar rx_buf[TX_PLOAD_WIDTH];
uchar tx_buf[TX_PLOAD_WIDTH];//这个应该是发送数据的缓冲区
uchar flag;
//***************************************************************//
// FUNCTION's PROTOTYPES //
/****************************************************************
void SPI_Init(BYTE Mode); // Init HW or SW SPI
BYTE SPI_RW(BYTE byte); // Single SPI read/write
BYTE SPI_Read(BYTE reg); // Read one byte from nRF24L01
BYTE SPI_RW_Reg(BYTE reg, BYTE byte); // Write one byte to register 'reg'
BYTE SPI_Write_Buf(BYTE reg, BYTE *pBuf, BYTE bytes); // Writes multiply bytes to one register
BYTE SPI_Read_Buf(BYTE reg, BYTE *pBuf, BYTE bytes); // Read multiply bytes from one register
*****************************************************************/
//void NRF24L01_SPI_Init(BYTE Mode); // Init HW or SW SPI
void SPI_Init(); // init spi
uchar SPI_RW(BYTE byte); // Single SPI read/write
uchar SPI_Read(BYTE reg); // Read one byte from nRF24L01
uchar SPI_RW_Reg(BYTE reg, BYTE byte); // Write one byte to register 'reg'
uchar SPI_Write_Buf(BYTE reg, BYTE *pBuf, BYTE bytes); // Writes multiply bytes to one register
uchar SPI_Read_Buf(BYTE reg, BYTE *pBuf, BYTE bytes); // Read multiply bytes from one register
void power_off (void);
void init_nrf24l01_io(void);
void ifnnrf_rx_mode(unsigned char * TX_ADDRESS);
void ifnnrf_tx_mode(unsigned char * TX_ADDRESS);
void ifnnrf_CLERN_ALL();
//封装好的发送函数
uchar nrf_tx (unsigned char * TX_ADDRESS);
//封装好的接收函数
uchar nrf_rx (unsigned char * TX_ADDRESS);
//定义各个引脚的端口号
#define CE PB1
#define CSN PB2
#define MOSI PB3
#define MISO PB4
#define SCK PB5
#define IRQ PD2
#endif