keilc语言无线遥控
时间: 2023-10-26 20:20:43 浏览: 30
Keil C语言可以用来编写无线遥控程序,常用的无线遥控器模块有NRF24L01、CC2530、ESP8266等。
首先需要了解无线遥控器模块的通信协议,例如NRF24L01的SPI接口通信协议。然后在Keil中编写程序,包括初始化无线模块、设置通信频率、发送数据等功能。
例如,以下是一个简单的NRF24L01无线遥控程序:
```
#include "NRF24L01.h"
#include "delay.h"
#define ADDR_WIDTH 5
#define TX_PLOAD_WIDTH 1
unsigned char TX_ADDRESS[ADDR_WIDTH] = {0x34,0x43,0x10,0x10,0x01};
unsigned char TX_PAYLOAD[TX_PLOAD_WIDTH] = {0x01};
void NRF24L01_init(void)
{
NRF24L01_CE = 0;
NRF24L01_CSN = 1;
SPI1_Init();
NRF24L01_WriteReg(NRF24L01_CONFIG, 0x0e);
NRF24L01_WriteReg(NRF24L01_EN_AA, 0x01);
NRF24L01_WriteReg(NRF24L01_EN_RXADDR, 0x01);
NRF24L01_WriteReg(NRF24L01_SETUP_RETR, 0x1a);
NRF24L01_WriteReg(NRF24L01_RF_CH, 0x02);
NRF24L01_WriteReg(NRF24L01_RF_SETUP, 0x0f);
NRF24L01_WriteReg(NRF24L01_STATUS, 0x70);
NRF24L01_WriteReg(NRF24L01_RX_ADDR_P0, TX_ADDRESS[0]);
NRF24L01_WriteReg(NRF24L01_RX_ADDR_P1, TX_ADDRESS[1]);
NRF24L01_WriteReg(NRF24L01_RX_ADDR_P2, TX_ADDRESS[2]);
NRF24L01_WriteReg(NRF24L01_RX_ADDR_P3, TX_ADDRESS[3]);
NRF24L01_WriteReg(NRF24L01_RX_ADDR_P4, TX_ADDRESS[4]);
NRF24L01_WriteReg(NRF24L01_TX_ADDR, TX_ADDRESS[0]);
NRF24L01_WriteReg(NRF24L01_RX_PW_P0, TX_PLOAD_WIDTH);
NRF24L01_WriteReg(NRF24L01_RX_PW_P1, TX_PLOAD_WIDTH);
NRF24L01_WriteReg(NRF24L01_RX_PW_P2, TX_PLOAD_WIDTH);
NRF24L01_WriteReg(NRF24L01_RX_PW_P3, TX_PLOAD_WIDTH);
NRF24L01_WriteReg(NRF24L01_RX_PW_P4, TX_PLOAD_WIDTH);
NRF24L01_WriteReg(NRF24L01_DYNPD, 0x01);
NRF24L01_WriteReg(NRF24L01_FEATURE, 0x06);
NRF24L01_CE = 1;
NRF24L01_ClearIRQFlags();
}
void NRF24L01_SendPacket(void)
{
NRF24L01_CE = 0;
NRF24L01_WriteBuf(NRF24L01_W_TX_PAYLOAD, TX_PAYLOAD, TX_PLOAD_WIDTH);
NRF24L01_CE = 1;
delay_ms(10);
NRF24L01_CE = 0;
}
int main()
{
NRF24L01_init();
while(1)
{
NRF24L01_SendPacket();
}
}
```
这段程序初始化了NRF24L01无线模块,并发送一个字节的数据。在实际应用中,可以通过外设(如按键、摇杆)来控制发送的数据,实现无线遥控功能。