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#![allow(non_snake_case, non_upper_case_globals)]
#![allow(non_camel_case_types)]
//! FLASH
#[cfg(not(feature = "nosync"))]
use core::marker::PhantomData;
use {RWRegister, WORegister};
/// Flash access control register
pub mod ACR {
/// Latency
pub mod LATENCY {
/// Offset (0 bits)
pub const offset: u32 = 0;
/// Mask (4 bits: 0b1111 << 0)
pub const mask: u32 = 0b1111 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values
pub mod RW {
/// 0b0000: 0 wait states
pub const WS0: u32 = 0b0000;
/// 0b0001: 1 wait states
pub const WS1: u32 = 0b0001;
/// 0b0010: 2 wait states
pub const WS2: u32 = 0b0010;
/// 0b0011: 3 wait states
pub const WS3: u32 = 0b0011;
/// 0b0100: 4 wait states
pub const WS4: u32 = 0b0100;
/// 0b0101: 5 wait states
pub const WS5: u32 = 0b0101;
/// 0b0110: 6 wait states
pub const WS6: u32 = 0b0110;
/// 0b0111: 7 wait states
pub const WS7: u32 = 0b0111;
/// 0b1000: 8 wait states
pub const WS8: u32 = 0b1000;
/// 0b1001: 9 wait states
pub const WS9: u32 = 0b1001;
/// 0b1010: 10 wait states
pub const WS10: u32 = 0b1010;
/// 0b1011: 11 wait states
pub const WS11: u32 = 0b1011;
/// 0b1100: 12 wait states
pub const WS12: u32 = 0b1100;
/// 0b1101: 13 wait states
pub const WS13: u32 = 0b1101;
/// 0b1110: 14 wait states
pub const WS14: u32 = 0b1110;
/// 0b1111: 15 wait states
pub const WS15: u32 = 0b1111;
}
}
/// Prefetch enable
pub mod PRFTEN {
/// Offset (8 bits)
pub const offset: u32 = 8;
/// Mask (1 bit: 1 << 8)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values
pub mod RW {
/// 0b0: Prefetch is disabled
pub const Disabled: u32 = 0b0;
/// 0b1: Prefetch is enabled
pub const Enabled: u32 = 0b1;
}
}
/// ART Accelerator Enable
pub mod ARTEN {
/// Offset (9 bits)
pub const offset: u32 = 9;
/// Mask (1 bit: 1 << 9)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values
pub mod RW {
/// 0b0: ART Accelerator is disabled
pub const Disabled: u32 = 0b0;
/// 0b1: ART Accelerator is enabled
pub const Enabled: u32 = 0b1;
}
}
/// ART Accelerator reset
pub mod ARTRST {
/// Offset (11 bits)
pub const offset: u32 = 11;
/// Mask (1 bit: 1 << 11)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values
pub mod RW {
/// 0b0: Accelerator is not reset
pub const NotReset: u32 = 0b0;
/// 0b1: Accelerator is reset
pub const Reset: u32 = 0b1;
}
}
}
/// Flash key register
pub mod KEYR {
/// FPEC key
pub mod KEY {
/// Offset (0 bits)
pub const offset: u32 = 0;
/// Mask (32 bits: 0xffffffff << 0)
pub const mask: u32 = 0xffffffff << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
}
/// Flash option key register
pub mod OPTKEYR {
/// Option byte key
pub mod OPTKEYR {
/// Offset (0 bits)
pub const offset: u32 = 0;
/// Mask (32 bits: 0xffffffff << 0)
pub const mask: u32 = 0xffffffff << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
}
/// Status register
pub mod SR {
/// End of operation
pub mod EOP {
/// Offset (0 bits)
pub const offset: u32 = 0;
/// Mask (1 bit: 1 << 0)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Operation error
pub mod OPERR {
/// Offset (1 bits)
pub const offset: u32 = 1;
/// Mask (1 bit: 1 << 1)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Write protection error
pub mod WRPERR {
/// Offset (4 bits)
pub const offset: u32 = 4;
/// Mask (1 bit: 1 << 4)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Programming alignment error
pub mod PGAERR {
/// Offset (5 bits)
pub const offset: u32 = 5;
/// Mask (1 bit: 1 << 5)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Programming parallelism error
pub mod PGPERR {
/// Offset (6 bits)
pub const offset: u32 = 6;
/// Mask (1 bit: 1 << 6)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Erase Sequence Error
pub mod ERSERR {
/// Offset (7 bits)
pub const offset: u32 = 7;
/// Mask (1 bit: 1 << 7)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Busy
pub mod BSY {
/// Offset (16 bits)
pub const offset: u32 = 16;
/// Mask (1 bit: 1 << 16)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
}
/// Control register
pub mod CR {
/// Programming
pub mod PG {
/// Offset (0 bits)
pub const offset: u32 = 0;
/// Mask (1 bit: 1 << 0)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values
pub mod RW {
/// 0b1: Flash programming activated
pub const Program: u32 = 0b1;
}
}
/// Sector Erase
pub mod SER {
/// Offset (1 bits)
pub const offset: u32 = 1;
/// Mask (1 bit: 1 << 1)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values
pub mod RW {
/// 0b1: Erase activated for selected sector
pub const SectorErase: u32 = 0b1;
}
}
/// Mass Erase of sectors 0 to 11
pub mod MER {
/// Offset (2 bits)
pub const offset: u32 = 2;
/// Mask (1 bit: 1 << 2)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values
pub mod RW {
/// 0b1: Erase activated for all user sectors
pub const MassErase: u32 = 0b1;
}
}
/// Sector number
pub mod SNB {
/// Offset (3 bits)
pub const offset: u32 = 3;
/// Mask (5 bits: 0b11111 << 3)
pub const mask: u32 = 0b11111 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Program size
pub mod PSIZE {
/// Offset (8 bits)
pub const offset: u32 = 8;
/// Mask (2 bits: 0b11 << 8)
pub const mask: u32 = 0b11 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values
pub mod RW {
/// 0b00: Program x8
pub const PSIZE8: u32 = 0b00;
/// 0b01: Program x16
pub const PSIZE16: u32 = 0b01;
/// 0b10: Program x32
pub const PSIZE32: u32 = 0b10;
/// 0b11: Program x64
pub const PSIZE64: u32 = 0b11;
}
}
/// Mass Erase of sectors 12 to 23
pub mod MER1 {
/// Offset (15 bits)
pub const offset: u32 = 15;
/// Mask (1 bit: 1 << 15)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Start
pub mod STRT {
/// Offset (16 bits)
pub const offset: u32 = 16;
/// Mask (1 bit: 1 << 16)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values
pub mod RW {
/// 0b1: Trigger an erase operation
pub const Start: u32 = 0b1;
}
}
/// End of operation interrupt enable
pub mod EOPIE {
/// Offset (24 bits)
pub const offset: u32 = 24;
/// Mask (1 bit: 1 << 24)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values
pub mod RW {
/// 0b0: End of operation interrupt disabled
pub const Disabled: u32 = 0b0;
/// 0b1: End of operation interrupt enabled
pub const Enabled: u32 = 0b1;
}
}
/// Error interrupt enable
pub mod ERRIE {
/// Offset (25 bits)
pub const offset: u32 = 25;
/// Mask (1 bit: 1 << 25)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values
pub mod RW {
/// 0b0: Error interrupt generation disabled
pub const Disabled: u32 = 0b0;
/// 0b1: Error interrupt generation enabled
pub const Enabled: u32 = 0b1;
}
}
/// Lock
pub mod LOCK {
/// Offset (31 bits)
pub const offset: u32 = 31;
/// Mask (1 bit: 1 << 31)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values
pub mod RW {
/// 0b0: FLASH_CR register is unlocked
pub const Unlocked: u32 = 0b0;
/// 0b1: FLASH_CR register is locked
pub const Locked: u32 = 0b1;
}
}
}
/// Flash option control register
pub mod OPTCR {
/// Option lock
pub mod OPTLOCK {
/// Offset (0 bits)
pub const offset: u32 = 0;
/// Mask (1 bit: 1 << 0)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Option start
pub mod OPTSTRT {
/// Offset (1 bits)
pub const offset: u32 = 1;
/// Mask (1 bit: 1 << 1)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// BOR reset Level
pub mod BOR_LEV {
/// Offset (2 bits)
pub const offset: u32 = 2;
/// Mask (2 bits: 0b11 << 2)
pub const mask: u32 = 0b11 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// User option bytes
pub mod WWDG_SW {
/// Offset (4 bits)
pub const offset: u32 = 4;
/// Mask (1 bit: 1 << 4)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// User option bytes
pub mod IWDG_SW {
/// Offset (5 bits)
pub const offset: u32 = 5;
/// Mask (1 bit: 1 << 5)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// User option bytes
pub mod nRST_STOP {
/// Offset (6 bits)
pub const offset: u32 = 6;
/// Mask (1 bit: 1 << 6)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// User option bytes
pub mod nRST_STDBY {
/// Offset (7 bits)
pub const offset: u32 = 7;
/// Mask (1 bit: 1 << 7)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Read protect
pub mod RDP {
/// Offset (8 bits)
pub const offset: u32 = 8;
/// Mask (8 bits: 0xff << 8)
pub const mask: u32 = 0xff << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Not write protect
pub mod nWRP {
/// Offset (16 bits)
pub const offset: u32 = 16;
/// Mask (12 bits: 0xfff << 16)
pub const mask: u32 = 0xfff << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Dual Boot mode (valid only when nDBANK=0)
pub mod nDBOOT {
/// Offset (28 bits)
pub const offset: u32 = 28;
/// Mask (1 bit: 1 << 28)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Not dual bank mode
pub mod nDBANK {
/// Offset (29 bits)
pub const offset: u32 = 29;
/// Mask (1 bit: 1 << 29)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Independent watchdog counter freeze in standby mode
pub mod IWDG_STDBY {
/// Offset (30 bits)
pub const offset: u32 = 30;
/// Mask (1 bit: 1 << 30)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Independent watchdog counter freeze in Stop mode
pub mod IWDG_STOP {
/// Offset (31 bits)
pub const offset: u32 = 31;
/// Mask (1 bit: 1 << 31)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
}
/// Flash option control register 1
pub mod OPTCR1 {
/// Boot base address when Boot pin =0
pub mod BOOT_ADD0 {
/// Offset (0 bits)
pub const offset: u32 = 0;
/// Mask (16 bits: 0xffff << 0)
pub const mask: u32 = 0xffff << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Boot base address when Boot pin =1
pub mod BOOT_ADD1 {
/// Offset (16 bits)
pub const offset: u32 = 16;
/// Mask (16 bits: 0xffff << 16)
pub const mask: u32 = 0xffff << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
}
pub struct RegisterBlock {
/// Flash access control register
pub ACR: RWRegister<u32>,
/// Flash key register
pub KEYR: WORegister<u32>,
/// Flash option key register
pub OPTKEYR: WORegister<u32>,
/// Status register
pub SR: RWRegister<u32>,
/// Control register
pub CR: RWRegister<u32>,
/// Flash option control register
pub OPTCR: RWRegister<u32>,
/// Flash option control register 1
pub OPTCR1: RWRegister<u32>,
}
pub struct ResetValues {
pub ACR: u32,
pub KEYR: u32,
pub OPTKEYR: u32,
pub SR: u32,
pub CR: u32,
pub OPTCR: u32,
pub OPTCR1: u32,
}
#[cfg(not(feature = "nosync"))]
pub struct Instance {
pub(crate) addr: u32,
pub(crate) _marker: PhantomData<*const RegisterBlock>,
}
#[cfg(not(feature = "nosync"))]
impl ::core::ops::Deref for Instance {
type Target = RegisterBlock;
#[inline(always)]
fn deref(&self) -> &RegisterBlock {
unsafe { &*(self.addr as *const _) }
}
}
/// Access functions for the FLASH peripheral instance
pub mod FLASH {
#[cfg(not(feature = "nosync"))]
use external_cortex_m;
use super::ResetValues;
#[cfg(not(feature = "nosync"))]
use super::Instance;
#[cfg(not(feature = "nosync"))]
const INSTANCE: Instance = Instance {
addr: 0x40023c00,
_marker: ::core::marker::PhantomData,
};
/// Reset values for each field in FLASH
pub const reset: ResetValues = ResetValues {
ACR: 0x00000000,
KEYR: 0x00000000,
OPTKEYR: 0x00000000,
SR: 0x00000000,
CR: 0x80000000,
OPTCR: 0x0FFFAAED,
OPTCR1: 0x0FFF0000,
};
#[cfg(not(feature = "nosync"))]
#[allow(renamed_and_removed_lints)]
#[allow(private_no_mangle_statics)]
#[no_mangle]
static mut FLASH_TAKEN: bool = false;
/// Safe access to FLASH
///
/// This function returns `Some(Instance)` if this instance is not
/// currently taken, and `None` if it is. This ensures that if you
/// do get `Some(Instance)`, you are ensured unique access to
/// the peripheral and there cannot be data races (unless other
/// code uses `unsafe`, of course). You can then pass the
/// `Instance` around to other functions as required. When you're
/// done with it, you can call `release(instance)` to return it.
///
/// `Instance` itself dereferences to a `RegisterBlock`, which
/// provides access to the peripheral's registers.
#[cfg(not(feature = "nosync"))]
#[inline]
pub fn take() -> Option<Instance> {
external_cortex_m::interrupt::free(|_| unsafe {
if FLASH_TAKEN {
None
} else {
FLASH_TAKEN = true;
Some(INSTANCE)
}
})
}
/// Release exclusive access to FLASH
///
/// This function allows you to return an `Instance` so that it
/// is available to `take()` again. This function will panic if
/// you return a different `Instance` or if this instance is not
/// already taken.
#[cfg(not(feature = "nosync"))]
#[inline]
pub fn release(inst: Instance) {
external_cortex_m::interrupt::free(|_| unsafe {
if FLASH_TAKEN && inst.addr == INSTANCE.addr {
FLASH_TAKEN = false;
} else {
panic!("Released a peripheral which was not taken");
}
});
}
}
/// Raw pointer to FLASH
///
/// Dereferencing this is unsafe because you are not ensured unique
/// access to the peripheral, so you may encounter data races with
/// other users of this peripheral. It is up to you to ensure you
/// will not cause data races.
///
/// This constant is provided for ease of use in unsafe code: you can
/// simply call for example `write_reg!(gpio, GPIOA, ODR, 1);`.
pub const FLASH: *const RegisterBlock = 0x40023c00 as *const _;