gpio.rx

(peripheral
    (group-name GPIO)
    (description "General-purpose I/Os")
    (register
        (name MODER)
        (offset 0x0)
        (size 0x20)
        (access read-write)
        (description "GPIO port mode register")
        (field
            (name MODER)
            (dim 16)
            (dim-increment 2)
            (bit-offset 0)
            (bit-width 2)
            (description "Port x configuration bits (y = 0..15)")
        )
    )
    (register
        (name OTYPER)
        (offset 0x4)
        (size 0x20)
        (access read-write)
        (description "GPIO port output type register")
        (field
            (name OT)
            (dim 16)
            (dim-increment 1)
            (bit-offset 0)
            (bit-width 1)
            (description "Port x configuration bits (y = 0..15)")
        )
    )
    (register
        (name OSPEEDR)
        (offset 0x8)
        (size 0x20)
        (access read-write)
        (description "GPIO port output speed register")
        (field
            (name OSPEEDR)
            (dim 16)
            (dim-increment 2)
            (bit-offset 0)
            (bit-width 2)
            (description "Port x configuration bits (y = 0..15)")
        )
    )
    (register
        (name PUPDR)
        (offset 0xc)
        (size 0x20)
        (access read-write)
        (description "GPIO port pull-up/pull-down register")
        (field
            (name PUPDR)
            (dim 16)
            (dim-increment 2)
            (bit-offset 0)
            (bit-width 2)
            (description "Port x configuration bits (y = 0..15)")
        )
    )
    (register
        (name IDR)
        (offset 0x10)
        (size 0x20)
        (access read-only)
        (description "GPIO port input data register")
        (field
            (name IDR)
            (dim 16)
            (dim-increment 1)
            (bit-offset 0)
            (bit-width 1)
            (description "Port input data (y = 0..15)")
        )
    )
    (register
        (name ODR)
        (offset 0x14)
        (size 0x20)
        (access read-write)
        (description "GPIO port output data register")
        (field
            (name ODR)
            (dim 16)
            (dim-increment 1)
            (bit-offset 0)
            (bit-width 1)
            (description "Port output data (y = 0..15)")
        )
    )
    (register
        (name BSRR)
        (offset 0x18)
        (size 0x20)
        (access write-only)
        (description "GPIO port bit set/reset register")
        (field
            (name BR)
            (dim 16)
            (dim-increment 1)               
            (bit-offset 16)
            (bit-width 1)
            (description "Port x reset bit y (y = 0..15)")
        )
        (field
            (name BS)
            (dim 16)
            (dim-increment 1)                
            (bit-offset 0)
            (bit-width 1)
            (description "Port x set bit y (y= 0..15)")
        )
    )
    (register
        (name LCKR)
        (offset 0x1c)
        (size 0x20)
        (access read-write)
        (description "GPIO port configuration lock register")
        (field
            (name LCKK)
            (bit-offset 16)
            (bit-width 1)
            (description "Lock Key")
        )
        (field
            (name "LCK")
            (dim 16)
            (dim-increment 1)                 
            (bit-offset 0)
            (bit-width 1)
            (description "Port x lock bit y (y= 0..15)")
        )
    )
    (register
        (name AFRL)
        (offset 0x20)
        (size 0x20)
        (access read-write)
        (description "GPIO alternate function low register")
        (field
            (name "AFRL")
            (dim 8)
            (dim-increment 4)
            (bit-offset 0)
            (bit-width 4)
            (description "Alternate function selection for port x bit y (y = 0..7)")
        )
    )
    (register
        (name AFRH)
        (offset 0x24)
        (size 0x20)
        (access read-write)
        (description "GPIO alternate function high register")
        (field
            (name "AFRH")
            (dim 8)
            (dim-increment 4)
            (bit-offset 0)
            (bit-width 4)
            (description "Alternate function selection for port x bit y (y = 8..15)")
        )
    )
    (register
        (name BRR)
        (offset 0x28)
        (size 0x20)
        (access write-only)
        (description "Port bit reset register")
        (field
            (name BR)
            (dim 16)
            (dim-increment 1)
            (bit-offset 0)
            (bit-width 1)
            (description "Port x reset bit y")
        )
    )
)