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// arch/attiny85.h: attiny85 support header
// Copyright (C) 2014-2023 Selene ToyKeeper
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
// fill in missing values from Atmel's headers
#define PROGMEM_SIZE 8192
#define EEPROM_SIZE 512
////////// clock speed / delay stuff //////////
// TODO: Use 6.4 MHz instead of 8 MHz?
#define F_CPU 8000000UL
#define BOGOMIPS (F_CPU/4000)
#define DELAY_ZERO_TIME 1020
///// clock dividers
// use clock_prescale_set(n) instead; it's safer
//#define CLOCK_DIVIDER_SET(n) {CLKPR = 1<<CLKPCE; CLKPR = n;}
////////// default hw_setup() //////////
// FIXME: fsm/main should call hwdef_setup(), not hw_setup,
// and this function should be hwdef_setup
#ifdef USE_GENERIC_HWDEF_SETUP
static inline void hwdef_setup();
#endif
////////// ADC voltage / temperature //////////
#define V_REF REFS1
#define VOLTAGE_ADC_DIDR DIDR0 // this MCU only has one DIDR
// (1 << V_REF) | (0 << ADLAR) | (VCC_CHANNEL)
#define ADMUX_VCC 0b00001100
// (1 << V_REF) | (0 << ADLAR) | (THERM_CHANNEL)
#define ADMUX_THERM 0b10001111
#define hwdef_set_admux_therm mcu_set_admux_therm
inline void mcu_set_admux_therm();
#define hwdef_set_admux_voltage mcu_set_admux_voltage
inline void mcu_set_admux_voltage();
inline void mcu_adc_sleep_mode();
inline void mcu_adc_start_measurement();
inline void mcu_adc_on();
inline void mcu_adc_off();
// NOP because interrupt flag clears itself
#define mcu_adc_vect_clear()
inline uint16_t mcu_adc_result();
inline uint8_t mcu_adc_lsb();
////////// WDT //////////
inline void mcu_wdt_active();
inline void mcu_wdt_standby();
inline void mcu_wdt_stop();
// NOP because interrupt flag clears itself
#define mcu_wdt_vect_clear()
////////// PCINT - pin change interrupt (e-switch) //////////
#define SWITCH_PORT PINB // PINA or PINB or PINC
#define SWITCH_VECT PCINT0_vect
// NOP because interrupt flag clears itself
#define mcu_switch_vect_clear()
inline void mcu_pcint_on();
inline void mcu_pcint_off();
////////// misc //////////
void reboot();
inline void prevent_reboot_loop();
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