油電混合雙燃料腳踏車 之控制系統之無線傳輸 指導教授 : 陳沛仲老師 姓名 : 楊崇信

8051 left switch P3.7 P3.6 A/D Handle signal P1 Sensor P3.5 Starter motor P2.5 P2.6 P2.7 Driver motor right l switch Throttle motor angle Throttle open Throttle close Throttle motor Driver

RF24L01 無線通訊

while(1) { if(KEY1 ==0 ) { LED1 = 0; TxBuf[1] = 1 ; tf = 1 ; } if(KEY2 ==0 ) { LED2 = 0; TxBuf[2] = 1 ; tf = 1 ; } if (tf==1) { nRF24L01_TxPacket(TxBuf); TxBuf[1] = 0x00; TxBuf[2] = 0x00; tf=0; Delay(1000); LED1 = 1; LED2 = 1; } SetRX_Mode(); if(nRF24L01_RxPacket(RxBuf)) { if(RxBuf[1]==1) { LED1 = 0; } if(RxBuf[2]==1) { LED2 = 0; } Delay(1000); LED1 = 1; LED2 = 1; } RxBuf[1] = 0x00; RxBuf[2] = 0x00; } 主程式

unsigned char nRF24L01_RxPacket(unsigned char* rx_buf) { unsigned char revale=0; SPI_RW_Reg(WRITE_REG + CONFIG, 0x0f); CE = 1; dalay130us(); sta=SPI_Read(STATUS); if(RX_DR) { CE = 0; SPI_Read_Buf(RD_RX_PLOAD,rx_buf,TX_PLOAD_WIDTH); revale =1; } SPI_RW_Reg(WRITE_REG+STATUS,sta); return revale; } 接收副程式

void nRF24L01_TxPacket(unsigned char * tx_buf) { CE=0; SPI_Write_Buf(WRITE_REG + TX_ADDR, TX_ADDRESS, TX_ADR_WIDTH); SPI_Write_Buf(WRITE_REG + RX_ADDR_P0, TX_ADDRESS, TX_ADR_WIDTH); SPI_Write_Buf(WR_TX_PLOAD, tx_buf, TX_PLOAD_WIDTH); SPI_RW_Reg(WRITE_REG + EN_AA, 0x01); SPI_RW_Reg(WRITE_REG + EN_RXADDR, 0x01); SPI_RW_Reg(WRITE_REG + SETUP_RETR, 0x1a); SPI_RW_Reg(WRITE_REG + RF_CH, 0); SPI_RW_Reg(WRITE_REG + RF_SETUP, 0x07); SPI_RW_Reg(WRITE_REG + CONFIG, 0x0e); CE=1; nerDelay_us(10); } 發射副程式