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nrf24l01.h 1.35 KiB
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    #ifndef NRF24L01_H
    #define NRF24L01_H
    
    #include <stdint.h>
    #include "driver/gpio.h"
    #include "arch.h"
    
    class Nrf24l01 {
    	private:
    		Nrf24l01(const Nrf24l01 &copy);
    		unsigned char txbuf[2];
    		unsigned char rxbuf[2];
    
    		uint8_t writeRegister(uint8_t reg, uint8_t value);
    		uint8_t readRegister(uint8_t reg);
    
    		inline void csnHigh() {
    			gpio.write(NRF24L01_CS_PIN, 1);
    			arch.delay_us(5);
    		}
    		inline void csnLow() {
    			gpio.write(NRF24L01_CS_PIN, 0);
    			arch.delay_us(5);
    		}
    		inline void beginTransaction() {
    			csnLow();
    		}
    		inline void endTransaction() {
    			csnHigh();
    		}
    
    	public:
    		Nrf24l01() {}
    
    		/**
    		 * Power Amplifier level.
    		 *
    		 * For use with setPALevel()
    		 */
    		enum rf24_pa_dbm_e { RF24_PA_MIN = 0,RF24_PA_LOW, RF24_PA_HIGH, RF24_PA_MAX, RF24_PA_ERROR };
    
    		/**
    		 * Data rate.  How fast data moves through the air.
    		 *
    		 * For use with setDataRate()
    		 */
    		enum rf24_datarate_e { RF24_1MBPS = 0, RF24_2MBPS, RF24_250KBPS };
    
    		/**
    		 * CRC Length.  How big (if any) of a CRC is included.
    		 *
    		 * For use with setCRCLength()
    		 */
    		enum rf24_crclength_e { RF24_CRC_DISABLED = 0, RF24_CRC_8, RF24_CRC_16 };
    
    
    		void setup();
    		void powerOn();
    		void powerOff();
    
    		void setRetries(uint8_t delay, uint8_t count);
    		void setPALevel ( uint8_t level ); // 0 (-18B), 1 (-12dB), 2 (-6dB), 3 (0dB)
    
    		uint8_t getStatus();
    };
    
    extern Nrf24l01 nrf24l01;
    
    #endif