// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT /* * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ #ifndef _HARDWARE_STRUCTS_XOSC_H #define _HARDWARE_STRUCTS_XOSC_H #include "hardware/address_mapped.h" #include "hardware/regs/xosc.h" // Reference to datasheet: https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf#tab-registerlist_xosc // // The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) // _REG_(x) will link to the corresponding register in hardware/regs/xosc.h. // // Bit-field descriptions are of the form: // BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION /// \tag::xosc_hw[] typedef struct { _REG_(XOSC_CTRL_OFFSET) // XOSC_CTRL // Crystal Oscillator Control // 0x00fff000 [23:12] : ENABLE (0): On power-up this field is initialised to DISABLE and the chip runs from the ROSC // 0x00000fff [11:0] : FREQ_RANGE (0): Frequency range io_rw_32 ctrl; _REG_(XOSC_STATUS_OFFSET) // XOSC_STATUS // Crystal Oscillator Status // 0x80000000 [31] : STABLE (0): Oscillator is running and stable // 0x01000000 [24] : BADWRITE (0): An invalid value has been written to CTRL_ENABLE or CTRL_FREQ_RANGE or DORMANT // 0x00001000 [12] : ENABLED (0): Oscillator is enabled but not necessarily running and stable, resets to 0 // 0x00000003 [1:0] : FREQ_RANGE (0): The current frequency range setting, always reads 0 io_rw_32 status; _REG_(XOSC_DORMANT_OFFSET) // XOSC_DORMANT // Crystal Oscillator pause control io_rw_32 dormant; _REG_(XOSC_STARTUP_OFFSET) // XOSC_STARTUP // Controls the startup delay // 0x00100000 [20] : X4 (0): Multiplies the startup_delay by 4 // 0x00003fff [13:0] : DELAY (0xc4): in multiples of 256*xtal_period io_rw_32 startup; uint32_t _pad0[3]; _REG_(XOSC_COUNT_OFFSET) // XOSC_COUNT // A down counter running at the xosc frequency which counts to zero and stops // 0x000000ff [7:0] : COUNT (0) io_rw_32 count; } xosc_hw_t; #define xosc_hw ((xosc_hw_t *)XOSC_BASE) /// \end::xosc_hw[] #endif