# board_stkm16.h

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    00001 /* Copyright (c) 2007 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: board_stkm16.h,v 1.14 2011/01/09 14:23:18 awachtler Exp $ */
    00070 #ifndef BOARD_STK_M16_H
    00071 #define BOARD_STK_M16_H (1)
    00072
    00074 #define BOARD_NAME "stkm16"
    00075
    00076 #define BOARD_TYPE  (BOARD_STKM16)
    00077
    00078 /*=== Compile time parameters ========================================*/
    00079 #ifndef DEFAULT_SPI_RATE
    00080 # define DEFAULT_SPI_RATE  (SPI_RATE_1_2)
    00081 #endif
    00082
    00083 /*=== Hardware Components ============================================*/
    00084 #define RADIO_TYPE (RADIO_AT86RF230)
    00085
    00086 /*=== TRX pin access macros ==========================================*/
    00087
    00088 #define DDR_TRX_RESET   DDRB
    00089 #define PORT_TRX_RESET  PORTB
    00090 #define MASK_TRX_RESET  (_BV(PB3))
    00091 #define TRX_RESET_INIT() DDR_TRX_RESET |= MASK_TRX_RESET
    00092 #define TRX_RESET_HIGH() PORT_TRX_RESET |= MASK_TRX_RESET
    00093 #define TRX_RESET_LOW()  PORT_TRX_RESET &= ~MASK_TRX_RESET
    00094
    00095 #define PORT_TRX_SLPTR  PORTB
    00096 #define DDR_TRX_SLPTR   DDRB
    00097 #define MASK_TRX_SLPTR  (_BV(PB0))
    00098
    00099 #define TRX_SLPTR_INIT() DDR_TRX_SLPTR |= MASK_TRX_SLPTR
    00100 #define TRX_SLPTR_HIGH() PORT_TRX_SLPTR |= MASK_TRX_SLPTR
    00101 #define TRX_SLPTR_LOW()  PORT_TRX_SLPTR &= ~MASK_TRX_SLPTR
    00102
    00103
    00104 /*=== IRQ access macros ==============================================*/
    00105 #if 1
    00106 # define TRX_IRQ         _BV(INT2)
    00107 # define TRX_IRQ_vect    INT2_vect
    00108 # define TRX_IRQ_INIT()  do{\
    00109                             MCUCSR  |= _BV(ISC2);\
    00110                           } while(0)
    00111 #else
    00112 # define TRX_IRQ         _BV(INT0)
    00113 # define TRX_IRQ_vect    INT0_vect
    00114 # define TRX_IRQ_INIT()  do{\
    00115                             MCUCR  |= _BV(ISC01) | _BV(ISC00);\
    00116                           } while(0)
    00117 #endif
    00118
    00119 #define DI_TRX_IRQ() {GICR &= (~(TRX_IRQ));}
    00120 #define EI_TRX_IRQ() {GICR |= (TRX_IRQ);}
    00121
    00123 #define TRX_TSTAMP_REG TCNT1
    00124
    00125 /*=== SPI access macros ==============================================*/
    00126 #define DDR_SPI  (DDRB)
    00127 #define PORT_SPI (PORTB)
    00128
    00129 #define SPI_MOSI _BV(PB5)
    00130 #define SPI_MISO _BV(PB6)
    00131 #define SPI_SCK  _BV(PB7)
    00132 #define SPI_SS   _BV(PB4)
    00133
    00134 #define SPI_DATA_REG SPDR
    00135
    00136
    00137
    00138 static inline void SPI_INIT(uint8_t spirate)
    00139 {
    00140     /* first configure SPI Port, then SPCR */
    00141     PORT_SPI |= SPI_SCK | SPI_SS;
    00142     DDR_SPI  |= SPI_MOSI | SPI_SCK | SPI_SS;
    00143     DDR_SPI  &= ~SPI_MISO;
    00144
    00145     SPCR = (_BV(SPE) | _BV(MSTR));
    00146
    00147     SPCR &= ~(_BV(SPR1) | _BV(SPR0) );
    00148     SPSR &= ~_BV(SPI2X);
    00149
    00150     SPCR |= (spirate & 0x03);
    00151     SPSR |= ((spirate >> 2) & 0x01);
    00152
    00153 }
    00154
    00155 #define SPI_SELN_LOW()       uint8_t sreg = SREG; cli(); PORT_SPI &=~SPI_SS
    00156 #define SPI_SELN_HIGH()      PORT_SPI |= SPI_SS; SREG = sreg
    00157 #define SPI_WAITFOR()        do { while((SPSR & _BV(SPIF)) == 0);} while(0)
    00158
    00159 /*=== LED access macros ==============================================*/
    00160 #define LED_PORT      PORTA
    00161 #define LED_DDR       DDRA
    00162 #define LED_MASK      (0xf0)
    00163 #define LED_SHIFT     (4)
    00164 #define LEDS_INVERSE  (1)
    00165
    00166 /*=== KEY access macros ==============================================*/
    00167 #define PORT_KEY       PORTA
    00168 #define PIN_KEY        PINA
    00169 #define DDR_KEY        DDRA
    00170 #define MASK_KEY       (0x0f)
    00171 #define SHIFT_KEY      (0x00)
    00172 #define INVERSE_KEYS   (0)
    00173 #define LED_NUMBER     (4)
    00174 /*=== Host Interface ================================================*/
    00175 #define HIF_TYPE    HIF_UART_0
    00176
    00177 /*=== TIMER Interface ===============================================*/
    00178 #define HWTMR_PRESCALE  (8)
    00179 #define HWTIMER_TICK    ((1.0*HWTMR_PRESCALE)/F_CPU)
    00180 #define HWTIMER_TICK_NB (1000UL)
    00181 #define HWTIMER_REG     (TCNT1)
    00182 #define TIMER_TICK      (HWTIMER_TICK_NB * HWTIMER_TICK)
    00183 # define TIMER_POOL_SIZE  (4)
    00184 /*
    00185  * Mode: CTC
    00186  * Prescaler: 8 / Mode 4, CTC mit OCR1A = 1000
    00187  * @ F_CPU = 8MHz this results in 1ms timer tick IRQ's.
    00188  */
    00189 # define TIMER_INIT() \
    00190     do{ \
    00191         TCCR1B |= (_BV(CS11) | _BV(WGM12)); \
    00192         TIMSK |= _BV(OCIE1A); \
    00193         OCR1A = 1000; \
    00194     }while(0)
    00195
    00196 # define TIMER_IRQ_vect   TIMER1_COMPA_vect
    00197
    00198 #endif /* BOARD_STK_M16_H*/