# board_rose231.h

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    00001 /* Copyright (c) 2011
    00002     Daniel Thiele,
    00003     Axel Wachtler
    00004    All rights reserved.
    00005
    00006    Redistribution and use in source and binary forms, with or without
    00007    modification, are permitted provided that the following conditions
    00008    are met:
    00009
    00010    * Redistributions of source code must retain the above copyright
    00011      notice, this list of conditions and the following disclaimer.
    00012    * Redistributions in binary form must reproduce the above copyright
    00013      notice, this list of conditions and the following disclaimer in the
    00014      documentation and/or other materials provided with the distribution.
    00015    * Neither the name of the authors nor the names of its contributors
    00016      may be used to endorse or promote products derived from this software
    00017      without specific prior written permission.
    00018
    00019    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    00020    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    00021    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    00022    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
    00023    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    00024    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    00025    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    00026    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    00027    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    00028    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    00029    POSSIBILITY OF SUCH DAMAGE. */
    00030
    00031 /* $Id$ */
    00067 #ifndef BOARD_ROSE231_H
    00068 #define BOARD_ROSE231_H  (1)
    00069
    00070 # define BOARD_TYPE (BOARD_ROSE231)
    00071 # define BOARD_NAME "Rocketsensor 231"
    00072 # define RADIO_TYPE (RADIO_AT86RF231)
    00074 /*=== Compile time parameters ========================================*/
    00075
    00076 #ifndef DEFAULT_SPI_RATE
    00077 # define DEFAULT_SPI_RATE  (SPI_RATE_1_2)
    00078 #endif
    00079
    00080 /*=== Hardware Components ============================================*/
    00081
    00082 /*=== TRX pin access macros ==========================================*/
    00083
    00084 #define DDR_TRX_RESET   DDRC
    00085 #define PORT_TRX_RESET  PORTC
    00086 #define MASK_TRX_RESET  (_BV(2))
    00087 /* check in board.h if standard definitions of TRX_RESET_INIT,
    00088    TRX_RESET_HIGH, TRX_RESET_LOW are Ok, otherwise define here */
    00089
    00090 #define PORT_TRX_SLPTR  PORTC
    00091 #define DDR_TRX_SLPTR   DDRC
    00092 #define MASK_TRX_SLPTR  (_BV(0))
    00096 /*=== IRQ access macros ==============================================*/
    00097
    00098 #define TRX_IRQ_PORT (PORTD)
    00099 #define TRX_IRQ_DDR (DDRD)
    00100 #define TRX_IRQ_PIN (PIND)
    00101 #define TRX_IRQ_bp  (5)
    00102
    00103 # define TRX_IRQ         0x00
    00104 # define TRX_IRQ_vect    PCINT2_vect
    00109 # define TRX_IRQ_INIT()  do{ PCICR |= _BV(PCIE2); } while(0)
    00110
    00111 #define DI_TRX_IRQ() { PCMSK2 &= ~_BV(PCINT21); }
    00112
    00113 #define EI_TRX_IRQ() { PCMSK2 |= _BV(PCINT21); }
    00114
    00115 /*=== SPI access macros ==============================================*/
    00116 #define SPI_TYPE  SPI_TYPE_SPI
    00117 #define DDR_SPI  (DDRB)
    00118 #define PORT_SPI (PORTB)
    00120 #define SPI_MOSI _BV(PB3)
    00121 #define SPI_MISO _BV(PB4)
    00122 #define SPI_SCK  _BV(PB5)
    00123 #define SPI_SS   _BV(PB0)
    00126 #define SPI_DATA_REG SPDR
    00132 static inline void SPI_INIT(uint8_t spirate)
    00133 {
    00134     /* first configure SPI Port, then SPCR */
    00135
    00136     /* pullup for SS of SPI unit to prevent setting to SLAVE, not TRX_SELN! */
    00137     PORT_SPI |= _BV(PB2);
    00138
    00139     PORT_SPI |= SPI_SS | SPI_MISO | SPI_MOSI | SPI_SCK;
    00140     DDR_SPI  |= SPI_MOSI | SPI_SCK | SPI_SS;
    00141     DDR_SPI  &= ~SPI_MISO;
    00142
    00143     SPCR = (_BV(SPE) | _BV(MSTR));
    00144
    00145     SPCR &= ~(_BV(SPR1) | _BV(SPR0) );
    00146     SPSR &= ~_BV(SPI2X);
    00147
    00148     SPCR |= (spirate & 0x03);
    00149     SPSR |= ((spirate >> 2) & 0x01);
    00150 }
    00151
    00153 #define SPI_SELN_LOW()       uint8_t sreg = SREG; cli(); PORT_SPI &=~SPI_SS
    00154
    00155 #define SPI_SELN_HIGH()      PORT_SPI |= SPI_SS; SREG = sreg
    00156
    00157 #define SPI_WAITFOR()        do { while((SPSR & _BV(SPIF)) == 0);} while(0)
    00158
    00159 /*=== LED access macros ==============================================*/
    00160
    00161 #define LED_PORT      PORTD
    00162 #define LED_DDR       DDRD
    00163 #define LED_MASK      (0x18)
    00164 #define LED_SHIFT     (3)
    00165 #define LEDS_INVERSE  (0)
    00167 #define LED_NUMBER    (2)
    00169 /* special handling for this board to enable light measurement */
    00170 #define LED_PIN       PIND
    00171 #define LED_ANODE_bp   (3)
    00172 #define LED_CATHODE_bp (4)
    00174 /*=== KEY access macros ==============================================*/
    00175 #define NO_KEYS       (1)
    00177 /*=== Host Interface ================================================*/
    00178
    00179 #define HIF_TYPE    HIF_NONE
    00180
    00181 /*=== TIMER Interface ===============================================*/
    00182
    00183 /* setup timer with a tick of 1ms (assuming F_CPU = 8MHz fixed) */
    00184
    00185 #define HWTMR_PRESCALE  (8)
    00186 #define HWTIMER_TICK    ((1.0*HWTMR_PRESCALE)/F_CPU)
    00187 #define HWTIMER_TICK_NB (1000UL)
    00188 #define HWTIMER_REG     (TCNT1)
    00189 #define TIMER_TICK      (HWTIMER_TICK_NB * HWTIMER_TICK)
    00190 #define TIMER_POOL_SIZE (4)
    00191 #define TIMER_INIT() \
    00192     do{ \
    00193         TCCR1B = 0; \
    00194         OCR1A = HWTIMER_TICK_NB; \
    00195         TCCR1B |= (_BV(WGM12) | _BV(CS11)); \
    00196         TIMSK1 |= _BV(OCIE1A); \
    00197     }while(0)
    00198 # define TIMER_IRQ_vect   TIMER1_COMPA_vect
    00199
    00200 /*=== Special Hardware Ressources ===================================*/
    00201
    00202 #endif /* BOARD_ROSE231_H */