hardware.h

血凝仪检测系统,硬件电路部分由正弦波产生模块、前级放大与滤波模块、检测线圈、锁相环同步检波模块、后级平滑滤波与放大模块、AD转换器、线圈驱动模块、单片机模块等部分组成。

/*
    hardware.h

    Define my hardware dependent stuff here
*/
#define CPUCLK 4000000L     // CPU xtal
#define TICKRATE 1000       // AvrX timer queue Tick rate
#define BAUDRATE 19200L     // Debug monitor baudrate

#define LED PORTB           // Change this per your hardware and jumper setup
#define LEDDDR DDRB

#define SWITCH PINA
#define SWITCHP PORTA

// Peripheral initialization

#define TCNT0_INIT (0xFF-CPUCLK/256/TICKRATE)

// NB: Clock divisor bits are different between classic and mega103 chips!
// NB: IAR chooses to use different CPU identifiers for their C compiler

#if defined (__AVR_ATmega103__) || defined (__ATmega103__)
#define TMC8_CK256 ((1<<CS02) | (1<<CS01))
#elif defined (__AVR_AT90S8535__) || defined (__AVR_AT90S8515__) || defined (__AVR_ATmega163__) || defined (__AT90S8535__) || defined (__AT90S8515__) || defined (__ATmega163__)
#define TMC8_CK256 (1<<CS02)
#endif

#define UBRR_INIT (CPUCLK/(16*BAUDRATE)-1)