Definition 2.4G Module from In-Circquit with AT86RF230 and Atmega1281 (V1.0). More...
Go to the source code of this file.
Defines | |
| #define | BOARD_NAME "ict230" |
| #define | BOARD_TYPE (BOARD_ICT230) |
| #define | CUSTOM_RESET_TIME_MS (10) |
| #define | DDR_KEY DDRD |
| #define | DDR_SPI (DDRB) |
| #define | DDR_TRX_RESET DDRB |
| #define | DDR_TRX_SLPTR DDRB |
| #define | DEFAULT_SPI_RATE (SPI_RATE_1_2) |
| #define | DI_TRX_IRQ() {EIMSK &= (~(TRX_IRQ));} |
| #define | EI_TRX_IRQ() {EIMSK |= (TRX_IRQ);} |
| #define | HIF_TYPE HIF_UART_1 |
| #define | HWTIMER_REG (TCNT1) |
| #define | HWTIMER_TICK ((1.0*HWTMR_PRESCALE)/F_CPU) |
| #define | HWTIMER_TICK_NB (1000UL) |
| #define | HWTMR_PRESCALE (8) |
| #define | INVERSE_KEYS (1) |
| #define | LED_DDR DDRD |
| #define | LED_MASK (0xc0) |
| #define | LED_NUMBER (2) |
| #define | LED_PORT PORTD |
| #define | LED_SHIFT (6) |
| #define | LEDS_INVERSE (1) |
| #define | MASK_KEY (0x01) |
| #define | MASK_TRX_RESET (_BV(PB6)) |
| #define | MASK_TRX_SLPTR (_BV(PB5)) |
| #define | PB0 (0) |
| #define | PB1 (1) |
| #define | PB2 (2) |
| #define | PB3 (3) |
| #define | PB4 (4) |
| #define | PB5 (5) |
| #define | PB6 (6) |
| #define | PB7 (7) |
| #define | PIN_KEY PIND |
| #define | PORT_KEY PORTD |
| #define | PORT_SPI (PORTB) |
| #define | PORT_TRX_RESET PORTB |
| #define | PORT_TRX_SLPTR PORTB |
| #define | PULLUP_KEYS (1) |
| #define | RADIO_TYPE (RADIO_AT86RF230) |
| #define | SHIFT_KEY (0) |
| #define | SPI_DATA_REG SPDR |
| #define | SPI_MISO _BV(PB3) |
| #define | SPI_MOSI _BV(PB2) |
| #define | SPI_SCK _BV(PB1) |
| #define | SPI_SELN_HIGH() PORT_SPI |= SPI_SS; SREG = sreg |
| #define | SPI_SELN_LOW() uint8_t sreg = SREG; cli(); PORT_SPI &=~SPI_SS |
| #define | SPI_SS _BV(PB4) |
| #define | SPI_WAITFOR() do { while((SPSR & _BV(SPIF)) == 0);} while(0) |
| #define | TIMER_INIT() |
| Initialisation of TIMER1 (16bit timer). | |
| #define | TIMER_IRQ_vect TIMER1_COMPA_vect |
| #define | TIMER_POOL_SIZE (4) |
| #define | TIMER_TICK (HWTIMER_TICK_NB * HWTIMER_TICK) |
| #define | TRX_IRQ _BV(INT4) |
| #define | TRX_IRQ_INIT() |
| #define | TRX_IRQ_vect INT4_vect |
| #define | TRX_TSTAMP_REG TCNT1 |
Definition 2.4G Module from In-Circquit with AT86RF230 and Atmega1281 (V1.0).
The wiring of the radio and the ATmega is shown below:
ATmega1281 AT86RF230
---------- ---------
PB1 --> SCK
PB2 <-- MOSI
PB3 --> MISO
PB0/PB4 --> SEL (you need to drive both pins)
PB5 --> SLP_TR
PB6 --> TRX_RESET
INT4/PE4 --> IRQ
XTAL2 <-- CLKM PD0 --> KEY Interface
PD6:7 --> LED Interface Fuses:
LF: 0xe2 - 8MHz internal RC Osc.
HF: 0x11 - without boot loader
HF: 0x10 - with boot loader
EF: 0xff
LOCK: 0xef - protection of boot sectionBootloader:
Start at byte=0x1e000, address=0xf000, size = 4096 instructions/ 8192 bytes| #define CUSTOM_RESET_TIME_MS (10) |
additional delay needed by hardware
| #define DDR_SPI (DDRB) |
DDR register for SPI port
| #define DDR_TRX_RESET DDRB |
DDR register for RESET pin
| #define DDR_TRX_SLPTR DDRB |
PORT register for SLP_TR pin
| #define DI_TRX_IRQ | ( | ) | {EIMSK &= (~(TRX_IRQ));} |
rising edge triggers INT4 disable TRX interrupt
| #define EI_TRX_IRQ | ( | ) | {EIMSK |= (TRX_IRQ);} |
enable TRX interrupt
| #define MASK_TRX_RESET (_BV(PB6)) |
PIN mask for RESET pin
| #define MASK_TRX_SLPTR (_BV(PB5)) |
PIN mask for SLP_TR pin
| #define PORT_SPI (PORTB) |
PORT register for SPI port
| #define PORT_TRX_RESET PORTB |
PORT register for RESET pin
| #define PORT_TRX_SLPTR PORTB |
DDR register for SLP_TR pin
| #define RADIO_TYPE (RADIO_AT86RF230) |
used radiio (see const.h)
| #define SPI_DATA_REG SPDR |
abstraction for SPI data register
| #define SPI_MISO _BV(PB3) |
PIN mask for MISO pin
| #define SPI_MOSI _BV(PB2) |
PIN mask for MOSI pin
| #define SPI_SCK _BV(PB1) |
PIN mask for SCK pin
| #define SPI_SELN_HIGH | ( | ) | PORT_SPI |= SPI_SS; SREG = sreg |
set SS line to high level
| #define SPI_SELN_LOW | ( | ) | uint8_t sreg = SREG; cli(); PORT_SPI &=~SPI_SS |
set SS line to low level
| #define SPI_SS _BV(PB4) |
PIN mask for SS pin
| #define SPI_WAITFOR | ( | ) | do { while((SPSR & _BV(SPIF)) == 0);} while(0) |
wait until SPI transfer is ready
| #define TIMER_INIT | ( | ) |
do{ \ TCCR1B |= (_BV(CS11) | _BV(WGM12)); \ TIMSK1 |= _BV(OCIE1A); \ OCR1A = 1000; \ }while(0)
Initialisation of TIMER1 (16bit timer).
| #define TRX_IRQ _BV(INT4) |
interrupt mask for GICR
| #define TRX_IRQ_INIT | ( | ) |
do{\ EICRB |= (_BV(ISC41)|_BV(ISC40));\ } while(0)
configuration of interrupt handling
| #define TRX_IRQ_vect INT4_vect |
interrupt vector name
| #define TRX_TSTAMP_REG TCNT1 |
timestamp register for RX_START event
1.7.1