/**************************************************************************** * include/nuttx/drivers/wireless/nrf24l01.h * * Copyright (C) 2013 Laurent Latil * Author: Laurent Latil * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ #ifndef __DRIVERS_WIRELESS_NRF24L01_H #define __DRIVERS_WIRELESS_NRF24L01_H /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include /**************************************************************************** * Pre-Processor Declarations ****************************************************************************/ /* nRF24L01 hardware definitions */ /* Commands */ #define NRF24L01_R_REGISTER 0x00 #define NRF24L01_W_REGISTER 0x20 #define NRF24L01_R_RX_PAYLOAD 0x61 #define NRF24L01_W_TX_PAYLOAD 0xA0 #define NRF24L01_FLUSH_TX 0xE1 #define NRF24L01_FLUSH_RX 0xE2 #define NRF24L01_REUSE_TX_PL 0xE3 #define NRF24L01_ACTIVATE 0x50 #define NRF24L01_R_RX_PL_WID 0x60 #define NRF24L01_W_TX_PAYLOAD_NOACK 0xB0 #define NRF24L01_W_ACK_PAYLOAD 0xA8 #define NRF24L01_NOP 0xFF /* Registers */ #define NRF24L01_CONFIG 0x00 #define NRF24L01_EN_AA 0x01 #define NRF24L01_EN_RXADDR 0x02 #define NRF24L01_SETUP_AW 0x03 #define NRF24L01_SETUP_RETR 0x04 #define NRF24L01_RF_CH 0x05 #define NRF24L01_RF_SETUP 0x06 #define NRF24L01_STATUS 0x07 #define NRF24L01_OBSERVE_TX 0x08 #define NRF24L01_CD 0x09 #define NRF24L01_RX_ADDR_P0 0x0A #define NRF24L01_RX_ADDR_P1 0x0B #define NRF24L01_RX_ADDR_P2 0x0C #define NRF24L01_RX_ADDR_P3 0x0D #define NRF24L01_RX_ADDR_P4 0x0E #define NRF24L01_RX_ADDR_P5 0x0F #define NRF24L01_TX_ADDR 0x10 #define NRF24L01_RX_PW_P0 0x11 #define NRF24L01_RX_PW_P1 0x12 #define NRF24L01_RX_PW_P2 0x13 #define NRF24L01_RX_PW_P3 0x14 #define NRF24L01_RX_PW_P4 0x15 #define NRF24L01_RX_PW_P5 0x16 #define NRF24L01_FIFO_STATUS 0x17 #define NRF24L01_DYNPD 0x1C #define NRF24L01_FEATURE 0x1D /* STATUS register definitions */ #define NRF24L01_RX_DR (1 << 6) #define NRF24L01_TX_DS (1 << 5) #define NRF24L01_MAX_RT (1 << 4) #define NRF24L01_RX_P_NO_SHIFT 1 #define NRF24L01_RX_P_NO_MASK (7 << NRF24L01_RX_P_NO_SHIFT) #define NRF24L01_STAT_TX_FULL (1 << 0) /* CONFIG register definitions */ #define NRF24L01_MASK_RX_DR (1 << 6) #define NRF24L01_MASK_TX_DS (1 << 5) #define NRF24L01_MASK_MAX_RT (1 << 4) #define NRF24L01_EN_CRC (1 << 3) #define NRF24L01_CRCO (1 << 2) #define NRF24L01_PWR_UP (1 << 1) #define NRF24L01_PRIM_RX (1 << 0) /* RF_SETUP register definition */ #define NRF24L01_CONT_WAVE (1 << 7) #define NRF24L01_RF_DR_LOW (1 << 5) #define NRF24L01_PLL_LOCK (1 << 4) #define NRF24L01_RF_DR_HIGH (1 << 3) #define NRF24L01_RF_PWR_SHIFT 1 #define NRF24L01_RF_PWR_MASK (3 << NRF24L01_RF_PWR_SHIFT) /* FIFO STATUS register definitions */ #define NRF24L01_TX_REUSE (1 << 6) #define NRF24L01_TX_FULL (1 << 5) #define NRF24L01_TX_EMPTY (1 << 4) #define NRF24L01_RX_FULL (1 << 1) #define NRF24L01_RX_EMPTY (1 << 0) /* SETUP_RETR */ #define NRF24L01_ARC_SHIFT 0 #define NRF24L01_ARC_MASK (0xF << NRF24L01_ARC_SHIFT) #define NRF24L01_ARD_SHIFT 4 #define NRF24L01_ARD_MASK (0xF << NRF24L01_ARD_SHIFT) /* OBSERVE_TX register definitions */ #define NRF24L01_PLOS_CNT_SHIFT 4 #define NRF24L01_PLOS_CNT_MASK (0xF << NRF24L01_PLOS_CNT_SHIFT) #define NRF24L01_ARC_CNT_SHIFT 0 #define NRF24L01_ARC_CNT_MASK (0xF << NRF24L01_ARC_CNT_SHIFT) #define NRF24L01_RX_P_NO_SHIFT 1 #define NRF24L01_RX_P_NO_MASK (7 << NRF24L01_RX_P_NO_SHIFT) /* FEATURE register definitions */ #define NRF24L01_EN_DPL (1 << 2) #define NRF24L01_EN_ACK_PAY (1 << 1) #define NRF24L01_EN_DYN_ACK (1 << 0) /**************************************************************************** * Public Data Types ****************************************************************************/ #undef EXTERN #if defined(__cplusplus) # define EXTERN extern "C" extern "C" { #else # define EXTERN extern #endif /**************************************************************************** * Public Functions ****************************************************************************/ #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __DRIVERS_WIRELESS_NRF24L01_H */