board_midgee.h
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    00001 /* Copyright (c) 2012
    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_MIDGEE_H
    00068 #define BOARD_MIDGEE_H  (1)
    00069
    00070 # define BOARD_TYPE (BOARD_MIDGEE)
    00071 # define BOARD_NAME "Midgee"
    00072 # define RADIO_TYPE (RADIO_AT86RF232)
    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  ((1<<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  ((1<<0))
    00096 /*=== IRQ access macros ==============================================*/
    00097
    00098 #define TRX_IRQ_PORT (PORTB)
    00099 #define TRX_IRQ_DDR (DDRB)
    00100 #define TRX_IRQ_PIN (PINB)
    00101 #define TRX_IRQ_bp  (0)
    00102
    00103 # define TRX_IRQ_vect    TIMER1_CAPT_vect
    00107 # define TRX_IRQ_INIT()  do{ TCCR1B = (1<<ICES1) | (1<<CS10); } while(0)
    00108 #define DI_TRX_IRQ() { TIMSK1 &= ~(1<<ICIE1); }
    00109 #define EI_TRX_IRQ() { TIMSK1 |= (1<<ICIE1); }
    00110
    00111 /*=== SPI access macros ==============================================*/
    00112 #define SPI_TYPE  SPI_TYPE_SPI
    00113 #define DDR_SPI  (DDRB)
    00114 #define PORT_SPI (PORTB)
    00116 #define SPI_MOSI (1<<PB3)
    00117 #define SPI_MISO (1<<PB4)
    00118 #define SPI_SCK  (1<<PB5)
    00119 #define SPI_SS   (1<<PB2)
    00122 #define SPI_DATA_REG SPDR
    00128 static inline void SPI_INIT(uint8_t spirate)
    00129 {
    00130     /* first configure SPI Port, then SPCR */
    00131
    00132     PORT_SPI |= SPI_SS | SPI_MISO | SPI_MOSI | SPI_SCK;
    00133     DDR_SPI  |= SPI_MOSI | SPI_SCK | SPI_SS;
    00134     DDR_SPI  &= ~SPI_MISO;
    00135
    00136     SPCR = ((1<<SPE) | (1<<MSTR));
    00137
    00138     SPCR &= ~((1<<SPR1) | (1<<SPR0) );
    00139     SPSR &= ~(1<<SPI2X);
    00140
    00141     SPCR |= (spirate & 0x03);
    00142     SPSR |= ((spirate >> 2) & 0x01);
    00143 }
    00144
    00146 #define SPI_SELN_LOW()       uint8_t sreg = SREG; cli(); PORT_SPI &=~SPI_SS
    00147
    00148 #define SPI_SELN_HIGH()      PORT_SPI |= SPI_SS; SREG = sreg
    00149
    00150 #define SPI_WAITFOR()        do { while((SPSR & (1<<SPIF)) == 0);} while(0)
    00151
    00152 /*=== LED access macros ==============================================*/
    00153
    00154 #define LED_PORT      PORTD
    00155 #define LED_DDR       DDRD
    00156 #define LED_MASK      (0x10)
    00157 #define LED_SHIFT     (3)
    00158 #define LEDS_INVERSE  (0)
    00160 #define LED_NUMBER    (2)
    00162 /* special handling for this board to enable light measurement */
    00163 #define LED_PIN       PIND
    00164 #define LED_ANODE_bp   (4)
    00165 #define LED_CATHODE_bp (3)
    00167 /* special handling required */
    00168 #define LED_INIT() do{ LED_PORT &= ~((1<<LED_CATHODE_bp) | (1<<LED_ANODE_bp)); \
    00169             LED_DDR |= ((1<<LED_CATHODE_bp) | (1<<LED_ANODE_bp)); }while(0)
    00170
    00171 /*=== KEY access macros ==============================================*/
    00172 #define NO_KEYS       (1)
    00174 /*=== Host Interface ================================================*/
    00175
    00176 #define HIF_TYPE    HIF_NONE
    00177
    00178 /*=== TIMER Interface ===============================================*/
    00179
    00180 /* setup timer with a tick of 1ms (assuming F_CPU = 8MHz fixed) */
    00181
    00182 #define HWTMR_PRESCALE  (8)
    00183 #define HWTIMER_TICK    ((1.0*HWTMR_PRESCALE)/F_CPU)
    00184 #define HWTIMER_TICK_NB (1000UL)
    00185 #define HWTIMER_REG     (TCNT1)
    00186 #define TIMER_TICK      (HWTIMER_TICK_NB * HWTIMER_TICK)
    00187 #define TIMER_POOL_SIZE (4)
    00188 #define TIMER_INIT() \
    00189     do{ \
    00190         TCCR1B = 0; \
    00191         OCR1A = HWTIMER_TICK_NB; \
    00192         TCCR1B |= ((1<<WGM12) | (1<<CS11)); \
    00193         TIMSK1 |= (1<<OCIE1A); \
    00194     }while(0)
    00195 # define TIMER_IRQ_vect   TIMER1_COMPA_vect
    00196
    00197 /*=== Special Hardware Ressources ===================================*/
    00198
    00199 #endif /* BOARD_ROSE231_H */