# base_rdk2xx.h

    00001 /* Copyright (c) 2008 Axel Wachtler
    00002    All rights reserved.
    00003
    00004    Redistribution and use in source and binary forms, with or without
    00005    modification, are permitted provided that the following conditions
    00006    are met:
    00007
    00008    * Redistributions of source code must retain the above copyright
    00009      notice, this list of conditions and the following disclaimer.
    00010    * Redistributions in binary form must reproduce the above copyright
    00011      notice, this list of conditions and the following disclaimer in the
    00012      documentation and/or other materials provided with the distribution.
    00013    * Neither the name of the authors nor the names of its contributors
    00014      may be used to endorse or promote products derived from this software
    00015      without specific prior written permission.
    00016
    00017    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    00018    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    00019    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    00020    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
    00021    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    00022    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    00023    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    00024    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    00025    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    00026    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    00027    POSSIBILITY OF SUCH DAMAGE. */
    00028
    00029 /* $Id$ */
    00030 #ifndef BASE_RDK2XX_H
    00031 #define BASE_RDK2XX_H
    00032
    00033
    00034 #ifndef PB0
    00035 # define PB0 (0)
    00036 # define PB1 (1)
    00037 # define PB2 (2)
    00038 # define PB3 (3)
    00039 # define PB4 (4)
    00040 # define PB5 (5)
    00041 # define PB6 (6)
    00042 # define PB7 (7)
    00043 # define PD4 (4)
    00044 #endif
    00045
    00046 #ifndef DEFAULT_SPI_RATE
    00047 # define DEFAULT_SPI_RATE  (SPI_RATE_1_2)
    00048 #endif
    00049
    00050 /*=== Hardware Components ============================================*/
    00051 #ifndef RADIO_TYPE
    00052 # define RADIO_TYPE (RADIO_AT86RF230)
    00053 #endif
    00054
    00055 /*=== TRX pin access macros ==========================================*/
    00056
    00057 #define DDR_TRX_RESET   DDRB
    00058 #define PORT_TRX_RESET  PORTB
    00059 #define MASK_TRX_RESET  (_BV(5))
    00061 #define TRX_RESET_INIT() DDR_TRX_RESET |= MASK_TRX_RESET
    00062 #define TRX_RESET_HIGH() PORT_TRX_RESET |= MASK_TRX_RESET
    00063 #define TRX_RESET_LOW()  PORT_TRX_RESET &= ~MASK_TRX_RESET
    00065 #define PORT_TRX_SLPTR  PORTB
    00066 #define DDR_TRX_SLPTR   DDRB
    00067 #define MASK_TRX_SLPTR  (_BV(PB4))
    00070 #define TRX_SLPTR_INIT() DDR_TRX_SLPTR |= MASK_TRX_SLPTR
    00071
    00072 #define TRX_SLPTR_HIGH() PORT_TRX_SLPTR |= MASK_TRX_SLPTR
    00073
    00074 #define TRX_SLPTR_LOW()  PORT_TRX_SLPTR &= ~MASK_TRX_SLPTR
    00075
    00076
    00077 /*=== IRQ access macros ==============================================*/
    00078 # define TRX_IRQ_vect    INT0_vect
    00079 # define TRX_IRQ         _BV(INT0)
    00085 # define TRX_IRQ_INIT()  do{\
    00086                             EICRA = _BV(ISC00) | _BV(ISC01);\
    00087                             EIMSK  |= _BV(INT0);\
    00088                           } while(0)
    00089
    00091 #define DI_TRX_IRQ() {EIMSK &= (~(TRX_IRQ));}
    00092
    00094 #define EI_TRX_IRQ() {EIMSK |= (TRX_IRQ);}
    00095
    00100 #define TRX_TSTAMP_REG TCNT1
    00101
    00102 /*=== SPI access macros ==============================================*/
    00103 #define DDR_SPI  (DDRB)
    00104 #define PORT_SPI (PORTB)
    00106 #define SPI_MOSI _BV(PB2)
    00107 #define SPI_MISO _BV(PB3)
    00108 #define SPI_SCK  _BV(PB1)
    00109 #define SPI_SS   _BV(PB0)
    00111 #define SPI_DATA_REG SPDR
    00117 static inline void SPI_INIT(uint8_t spirate)
    00118 {
    00119     /* first configure SPI Port, then SPCR */
    00120     PORT_SPI |= SPI_SCK | SPI_SS;
    00121     DDR_SPI  |= SPI_MOSI | SPI_SCK | SPI_SS;
    00122     DDR_SPI  &= ~SPI_MISO;
    00123
    00124     SPCR = (_BV(SPE) | _BV(MSTR));
    00125
    00126     SPCR &= ~(_BV(SPR1) | _BV(SPR0) );
    00127     SPSR &= ~_BV(SPI2X);
    00128
    00129     SPCR |= (spirate & 0x03);
    00130     SPSR |= ((spirate >> 2) & 0x01);
    00131
    00132 }
    00133
    00135 #define SPI_SELN_LOW()       uint8_t sreg = SREG; cli(); PORT_SPI &=~SPI_SS
    00136
    00137 #define SPI_SELN_HIGH()      PORT_SPI |= SPI_SS; SREG = sreg
    00138
    00139 #define SPI_WAITFOR()        do { while((SPSR & _BV(SPIF)) == 0);} while(0)
    00140
    00141
    00142 #endif
    00143 /* EOF */