1-wire"从机"模拟程序

/* ********************************************************************************************************* * * File : HAL.C * Data : March 20, 2007 ********************************************************************************************************* */ #include "hal.h" /* ********************************************************************************************************* * IOPORT_INIT * * Description : * Arguments : * Returned Values : none * Note(s)/Warnings : ********************************************************************************************************* */ inline void IOPORT_INIT(void) { //--------------------------------------------------------------------------------------------// //| DDxn |PORTxn | PUD | I/O |PULL-UP| COMMENT // //| | |(in MCUCR)| | | // //| 0 | 0 | x | Input | No | Tri-state(Hi-z) // //| 0 | 1 | 0 | Input | Yes | Pxn will source current if ext. pulled low // //| 0 | 1 | 1 | Input | No | Tri-state(Hi-z) // //| 1 | 0 | x | Output | No | Output Low(sink) // //| 1 | 1 | x | Output | No | Output High(sourced) // //--------------------------------------------------------------------------------------------// //---------------------------------------------------------------------- // PORTB Function NAME I/O DDRB PORTB // PB7 GIO/PCINT7/[X2]/TOSC2 - O 1 0 output // PB6 GIO/PCINT6/[X1]/TOSC1 - I 0 1 input // PB5 GIO/PCINT5/[SCK] - O 1 0 // PB4 GIO/PCINT4/[MISO] - I 0 0 // PB3 GIO/PCINT3/[MOSI]/OC2A - O 1 0 // PB2 GIO/PCINT2/[SS]/OC1B LED_R O 1 0 // PB1 [GIO]/PCINT1/OC1A GDO2 I 0 0 // PB0 [GIO]/PCINT0/ICP1/CLKO CSn O 1 1 DDRB = B1010_1101; PORTB = B0100_0001; //----------------------------------------------------------------------- // PORTC Function NAME I/O DDRB PORTB // - - - - 0 0 // PC6 GIO/PCINT14/[RESET] - I 0 0 // PC5 GIO/PCINT13/ADC5/SCL SCL - 0 1 // PC4 GIO/PCINT12/ADC4/SDA SDA - 0 1 // PC3 GIO/PCINT11/ADC3 LED3 O 1 0 // PC2 GIO/PCINT10/ADC2 LED2 O 1 0 // PC1 [GIO]/PCINT9/ADC1 LED1 O 1 0 // PC0 [GIO]/PCINT8/ADC0 BATON Hi-z/O 0/1 0 // change between Hi-z and output DDRC = B0000_1110; PORTC = B0011_0000; //----------------------------------------------------------------------- // PORTD Function NAME I/O DDRB PORTB // PD7 [GIO]/PCINT23/AIN1 MC- O 1 0 // PD6 [GIO]/PCINT22/AIN0/OC0A MC+ O 1 0 // PD5 [GIO]/PCINT21/T1/OC0B KEY I 0 0 // pull down with resistance // PD4 [GIO]/PCINT20/T0/XCK THI O 1 0 // not use , now is for test // PD3 GIO/PCINT19/[INT1]/OC2B INT1 I 0 1 // external pull up // PD2 GIO/PCINT18/[INT0] INT0 I 0 1 // external pull up // PD1 GIO/PCINT17/TXD TXD O 1 1 // Input for Charge, output for UART // PD0 GIO/[PCINT16]/RXD RXD I 0 1 // DDRD = B1101_0010; PORTD = B0000_1111; //----------------------------------------------------------------------- // PORTD Function NAME I/O DDRB PORTB // ADC7 ADC7 BATIN - - - // ADC6 ADC6 MOTORIN - - - //----------------------------------------------------------------------- // 每 每 每 [PUD] 每 每 IVSEL IVCE //MCUCR &= ~(1<<PUD); /*pin change interrupt*/ //PCINT23 PCINT22 PCINT21 PCINT20 PCINT19 PCINT18 PCINT17 PCINT16 (PCMSK2) PORTD // 0 0 KEY 0 [TILT] [SWITCH] CHGST 0 PCMSK2 = B0000_0000; //每 PCINT14 PCINT13 PCINT12 PCINT11 PCINT10 PCINT9 PCINT8 (PCMSK1) PORTC //0 0 0 0 0 0 0 0 PCMSK1 = B0000_0000; //PCINT7 PCINT6 PCINT5 PCINT4 PCINT3 PCINT2 PCINT1 PCINT0 (PCMSK0) PORTB // 0 0 0 0 0 0 GDO2 0 PCMSK0 = B0000_0000; //每 每 每 每 每 PCIE2 PCIE1 PCIE0 (PCICR) //pin change enable //0 0 0 0 0 1 0 1 PCICR = B0000_0000; //每每每每每PCIF2 PCIF1 PCIF0 (PCIFR) //0 0 0 0 0 0 0 0 //PCIFR=B0000_0000; /*external interrupt*/ //B00 Lower level //B01 Any logical change //B10 Falling edge //B11 Rising edge //每 每 每 每 ISC11 ISC10 ISC01 ISC00 (EICRA) EICRA = B0000_0001; //每 每 每 每 每 每 INT1 INT0 (EIMSK) EIMSK = B0000_0001; //每 每 每 每 每 每 INTF1 INTF0 (EIFR) //EIFR = B0000_0000; } //------------------------------------------------------------------------------ void HAL_INIT(void) { _CLI(); IOPORT_INIT(); } //------------------------------------------------------------------------------