//! PIT Constants pub const channel0_data: u16 = 0x40; pub const channel1_data: u16 = 0x41; pub const channel2_data: u16 = 0x42; pub const command: u16 = 0x43; pub const base_frequency: u32 = 1193182; pub const target_frequency: u32 = 1000; pub const mode_square_wave: u8 = 0x36; pub const mode_rate_generator: u8 = 0x34; pub const irq: u4 = 0; pub const vector: u8 = 32;