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//! The AVR ATmega32U2 microcontroller
//!
//! # Variants
//! |        | Pinout | Package | Operating temperature | Operating voltage | Max speed |
//! |--------|--------|---------|-----------------------|-------------------|-----------|
//! | ATmega32U2-AU | QUAD | TQFP32 | -40°C - 85°C | 2.7V - 5.5V | 16 MHz |
//! | ATmega32U2-MU | QUAD | QFN32 | -40°C - 85°C | 2.7V - 5.5V | 16 MHz |
//!
//! # Registers by module (not exhaustive)
//!
//! ## PORT modules
//!
//! * PORTB
//!     * PB0 (PB0)
//!     * PB1 (PB1)
//!     * PB2 (PB2)
//!     * PB3 (PB3)
//!     * PB4 (PB4)
//!     * PB5 (PB5)
//!     * PB6 (PB6)
//!     * PB7 (PB7)
//! * PORTD
//!     * PD0 (PD0)
//!     * PD1 (PD1)
//!     * PD2 (PD2)
//!     * PD3 (PD3)
//!     * PD4 (PD4)
//!     * PD5 (PD5)
//!     * PD6 (PD6)
//!     * PD7 (PD7)
//! * PORTC
//!     * PC0 (PC0)
//!     * PC1 (PC1)
//!     * PC2 (PC2)
//!     * PC3 (PC3)
//!     * PC4 (PC4)
//!     * PC5 (PC5)
//!     * PC6 (PC6)
//!     * PC7 (PC7)
//!
//! ## EEPROM modules
//!
//! * EEPROM
//!
//! ## USART modules
//!
//! * USART1
//!     * PD2 (PD2)
//!     * PD3 (PD3)
//!     * PD5 (PD5)
//!     * PD6 (PD6)
//!     * PD7 (PD7)

pub const LOCKBIT: *mut u8 = 0x0 as *mut u8;
pub const LOW: *mut u8 = 0x0 as *mut u8;
pub const HIGH: *mut u8 = 0x1 as *mut u8;
pub const EXTENDED: *mut u8 = 0x2 as *mut u8;
/// Port B Input Pins.
pub const PINB: *mut u8 = 0x23 as *mut u8;
/// Port B Data Direction Register.
pub const DDRB: *mut u8 = 0x24 as *mut u8;
/// Port B Data Register.
pub const PORTB: *mut u8 = 0x25 as *mut u8;
/// Port C Input Pins.
pub const PINC: *mut u8 = 0x26 as *mut u8;
/// Port C Data Direction Register.
pub const DDRC: *mut u8 = 0x27 as *mut u8;
/// Port C Data Register.
pub const PORTC: *mut u8 = 0x28 as *mut u8;
/// Port D Input Pins.
pub const PIND: *mut u8 = 0x29 as *mut u8;
/// Port D Data Direction Register.
pub const DDRD: *mut u8 = 0x2A as *mut u8;
/// Port D Data Register.
pub const PORTD: *mut u8 = 0x2B as *mut u8;
/// Timer/Counter0 Interrupt Flag register.
pub const TIFR0: *mut u8 = 0x35 as *mut u8;
/// Timer/Counter1 Interrupt Flag register.
pub const TIFR1: *mut u8 = 0x36 as *mut u8;
/// Pin Change Interrupt Flag Register.
pub const PCIFR: *mut u8 = 0x3B as *mut u8;
/// External Interrupt Flag Register.
pub const EIFR: *mut u8 = 0x3C as *mut u8;
/// External Interrupt Mask Register.
pub const EIMSK: *mut u8 = 0x3D as *mut u8;
/// General Purpose IO Register 0.
pub const GPIOR0: *mut u8 = 0x3E as *mut u8;
/// EEPROM Control Register.
pub const EECR: *mut u8 = 0x3F as *mut u8;
/// EEPROM Data Register.
pub const EEDR: *mut u8 = 0x40 as *mut u8;
/// EEPROM Address Register Low Bytes.
pub const EEAR: *mut u16 = 0x41 as *mut u16;
/// EEPROM Address Register Low Bytes low byte.
pub const EEARL: *mut u8 = 0x41 as *mut u8;
/// EEPROM Address Register Low Bytes high byte.
pub const EEARH: *mut u8 = 0x42 as *mut u8;
/// General Timer/Counter Control Register.
pub const GTCCR: *mut u8 = 0x43 as *mut u8;
/// Timer/Counter  Control Register A.
pub const TCCR0A: *mut u8 = 0x44 as *mut u8;
/// Timer/Counter Control Register B.
pub const TCCR0B: *mut u8 = 0x45 as *mut u8;
/// Timer/Counter0.
pub const TCNT0: *mut u8 = 0x46 as *mut u8;
/// Timer/Counter0 Output Compare Register.
pub const OCR0A: *mut u8 = 0x47 as *mut u8;
/// Timer/Counter0 Output Compare Register.
pub const OCR0B: *mut u8 = 0x48 as *mut u8;
/// PLL Status and Control register.
pub const PLLCSR: *mut u8 = 0x49 as *mut u8;
/// General Purpose IO Register 1.
pub const GPIOR1: *mut u8 = 0x4A as *mut u8;
/// General Purpose IO Register 2.
pub const GPIOR2: *mut u8 = 0x4B as *mut u8;
/// SPI Control Register.
pub const SPCR: *mut u8 = 0x4C as *mut u8;
/// SPI Status Register.
pub const SPSR: *mut u8 = 0x4D as *mut u8;
/// SPI Data Register.
pub const SPDR: *mut u8 = 0x4E as *mut u8;
/// Analog Comparator Control And Status Register.
pub const ACSR: *mut u8 = 0x50 as *mut u8;
/// debugWire communication register.
pub const DWDR: *mut u8 = 0x51 as *mut u8;
/// Sleep Mode Control Register.
pub const SMCR: *mut u8 = 0x53 as *mut u8;
/// MCU Status Register.
pub const MCUSR: *mut u8 = 0x54 as *mut u8;
/// MCU Control Register.
pub const MCUCR: *mut u8 = 0x55 as *mut u8;
/// Store Program Memory Control Register.
pub const SPMCSR: *mut u8 = 0x57 as *mut u8;
/// Extended Indirect Register.
pub const EIND: *mut u8 = 0x5C as *mut u8;
/// Stack Pointer.
pub const SP: *mut u16 = 0x5D as *mut u16;
/// Stack Pointer  low byte.
pub const SPL: *mut u8 = 0x5D as *mut u8;
/// Stack Pointer  high byte.
pub const SPH: *mut u8 = 0x5E as *mut u8;
/// Status Register.
pub const SREG: *mut u8 = 0x5F as *mut u8;
/// Watchdog Timer Control Register.
pub const WDTCSR: *mut u8 = 0x60 as *mut u8;
pub const CLKPR: *mut u8 = 0x61 as *mut u8;
/// Watchdog Timer Clock Divider.
pub const WDTCKD: *mut u8 = 0x62 as *mut u8;
/// Regulator Control Register.
pub const REGCR: *mut u8 = 0x63 as *mut u8;
/// Power Reduction Register0.
pub const PRR0: *mut u8 = 0x64 as *mut u8;
/// Power Reduction Register1.
pub const PRR1: *mut u8 = 0x65 as *mut u8;
/// Oscillator Calibration Value.
pub const OSCCAL: *mut u8 = 0x66 as *mut u8;
/// Pin Change Interrupt Control Register.
pub const PCICR: *mut u8 = 0x68 as *mut u8;
/// External Interrupt Control Register A.
pub const EICRA: *mut u8 = 0x69 as *mut u8;
/// External Interrupt Control Register B.
pub const EICRB: *mut u8 = 0x6A as *mut u8;
/// Pin Change Mask Register 0.
pub const PCMSK0: *mut u8 = 0x6B as *mut u8;
/// Pin Change Mask Register 1.
pub const PCMSK1: *mut u8 = 0x6C as *mut u8;
/// Timer/Counter0 Interrupt Mask Register.
pub const TIMSK0: *mut u8 = 0x6E as *mut u8;
/// Timer/Counter1 Interrupt Mask Register.
pub const TIMSK1: *mut u8 = 0x6F as *mut u8;
/// Analog Comparator Input Multiplexer.
pub const ACMUX: *mut u8 = 0x7D as *mut u8;
pub const DIDR1: *mut u8 = 0x7F as *mut u8;
/// Timer/Counter1 Control Register A.
pub const TCCR1A: *mut u8 = 0x80 as *mut u8;
/// Timer/Counter1 Control Register B.
pub const TCCR1B: *mut u8 = 0x81 as *mut u8;
/// Timer/Counter 1 Control Register C.
pub const TCCR1C: *mut u8 = 0x82 as *mut u8;
/// Timer/Counter1  Bytes.
pub const TCNT1: *mut u16 = 0x84 as *mut u16;
/// Timer/Counter1  Bytes low byte.
pub const TCNT1L: *mut u8 = 0x84 as *mut u8;
/// Timer/Counter1  Bytes high byte.
pub const TCNT1H: *mut u8 = 0x85 as *mut u8;
/// Timer/Counter1 Input Capture Register  Bytes low byte.
pub const ICR1L: *mut u8 = 0x86 as *mut u8;
/// Timer/Counter1 Input Capture Register  Bytes.
pub const ICR1: *mut u16 = 0x86 as *mut u16;
/// Timer/Counter1 Input Capture Register  Bytes high byte.
pub const ICR1H: *mut u8 = 0x87 as *mut u8;
/// Timer/Counter1 Output Compare Register A  Bytes low byte.
pub const OCR1AL: *mut u8 = 0x88 as *mut u8;
/// Timer/Counter1 Output Compare Register A  Bytes.
pub const OCR1A: *mut u16 = 0x88 as *mut u16;
/// Timer/Counter1 Output Compare Register A  Bytes high byte.
pub const OCR1AH: *mut u8 = 0x89 as *mut u8;
/// Timer/Counter1 Output Compare Register B  Bytes.
pub const OCR1B: *mut u16 = 0x8A as *mut u16;
/// Timer/Counter1 Output Compare Register B  Bytes low byte.
pub const OCR1BL: *mut u8 = 0x8A as *mut u8;
/// Timer/Counter1 Output Compare Register B  Bytes high byte.
pub const OCR1BH: *mut u8 = 0x8B as *mut u8;
/// Timer/Counter1 Output Compare Register C  Bytes low byte.
pub const OCR1CL: *mut u8 = 0x8C as *mut u8;
/// Timer/Counter1 Output Compare Register C  Bytes.
pub const OCR1C: *mut u16 = 0x8C as *mut u16;
/// Timer/Counter1 Output Compare Register C  Bytes high byte.
pub const OCR1CH: *mut u8 = 0x8D as *mut u8;
/// USART Control and Status Register A.
pub const UCSR1A: *mut u8 = 0xC8 as *mut u8;
/// USART Control and Status Register B.
pub const UCSR1B: *mut u8 = 0xC9 as *mut u8;
/// USART Control and Status Register C.
pub const UCSR1C: *mut u8 = 0xCA as *mut u8;
/// USART Control and Status Register D.
pub const UCSR1D: *mut u8 = 0xCB as *mut u8;
/// USART Baud Rate Register  Bytes.
pub const UBRR1: *mut u16 = 0xCC as *mut u16;
/// USART Baud Rate Register  Bytes low byte.
pub const UBRR1L: *mut u8 = 0xCC as *mut u8;
/// USART Baud Rate Register  Bytes high byte.
pub const UBRR1H: *mut u8 = 0xCD as *mut u8;
/// USART I/O Data Register.
pub const UDR1: *mut u8 = 0xCE as *mut u8;
pub const CLKSEL0: *mut u8 = 0xD0 as *mut u8;
pub const CLKSEL1: *mut u8 = 0xD1 as *mut u8;
pub const CLKSTA: *mut u8 = 0xD2 as *mut u8;
/// USB General Control Register.
pub const USBCON: *mut u8 = 0xD8 as *mut u8;
/// USB Device Control Registers.
pub const UDCON: *mut u8 = 0xE0 as *mut u8;
/// USB Device Interrupt Register.
pub const UDINT: *mut u8 = 0xE1 as *mut u8;
/// USB Device Interrupt Enable Register.
pub const UDIEN: *mut u8 = 0xE2 as *mut u8;
/// USB Device Address Register.
pub const UDADDR: *mut u8 = 0xE3 as *mut u8;
/// USB Device Frame Number High Register.
pub const UDFNUM: *mut u16 = 0xE4 as *mut u16;
/// USB Device Frame Number High Register low byte.
pub const UDFNUML: *mut u8 = 0xE4 as *mut u8;
/// USB Device Frame Number High Register high byte.
pub const UDFNUMH: *mut u8 = 0xE5 as *mut u8;
/// USB Device Micro Frame Number.
pub const UDMFN: *mut u8 = 0xE6 as *mut u8;
/// USB Endpoint Interrupt Register.
pub const UEINTX: *mut u8 = 0xE8 as *mut u8;
/// USB Endpoint Number.
pub const UENUM: *mut u8 = 0xE9 as *mut u8;
/// USB Endpoint Reset Register.
pub const UERST: *mut u8 = 0xEA as *mut u8;
/// USB Endpoint Control Register.
pub const UECONX: *mut u8 = 0xEB as *mut u8;
/// USB Endpoint Configuration 0 Register.
pub const UECFG0X: *mut u8 = 0xEC as *mut u8;
/// USB Endpoint Configuration 1 Register.
pub const UECFG1X: *mut u8 = 0xED as *mut u8;
/// USB Endpoint Status 0 Register.
pub const UESTA0X: *mut u8 = 0xEE as *mut u8;
/// USB Endpoint Status 1 Register.
pub const UESTA1X: *mut u8 = 0xEF as *mut u8;
/// USB Endpoint Interrupt Enable Register.
pub const UEIENX: *mut u8 = 0xF0 as *mut u8;
/// USB Data Endpoint.
pub const UEDATX: *mut u8 = 0xF1 as *mut u8;
/// USB Endpoint Byte Count Register.
pub const UEBCLX: *mut u8 = 0xF2 as *mut u8;
/// USB Endpoint Number Interrupt Register.
pub const UEINT: *mut u8 = 0xF4 as *mut u8;
/// USB Software Output Enable register.
pub const UPOE: *mut u8 = 0xFB as *mut u8;