| // THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT |
| |
| /** |
| * Copyright (c) 2024 Raspberry Pi Ltd. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| #ifndef _HARDWARE_STRUCTS_SYSTICK_H |
| #define _HARDWARE_STRUCTS_SYSTICK_H |
| |
| /** |
| * \file rp2350/systick.h |
| */ |
| |
| #include "hardware/address_mapped.h" |
| #include "hardware/regs/m33.h" |
| |
| // Reference to datasheet: https://datasheets.raspberrypi.com/rp2350/rp2350-datasheet.pdf#tab-registerlist_m33 |
| // |
| // 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/m33.h. |
| // |
| // Bit-field descriptions are of the form: |
| // BITMASK [BITRANGE] FIELDNAME (RESETVALUE) DESCRIPTION |
| |
| #if defined(__riscv) && PICO_FORBID_ARM_HEADERS_ON_RISCV |
| #error "Arm header included in a RISC-V build with PICO_FORBID_ARM_HEADERS_ON_RISCV=1" |
| #endif |
| |
| typedef struct { |
| _REG_(M33_SYST_CSR_OFFSET) // M33_SYST_CSR |
| // SysTick Control and Status Register |
| // 0x00010000 [16] COUNTFLAG (0) Returns 1 if timer counted to 0 since last time this was read |
| // 0x00000004 [2] CLKSOURCE (0) SysTick clock source |
| // 0x00000002 [1] TICKINT (0) Enables SysTick exception request: + |
| // 0x00000001 [0] ENABLE (0) Enable SysTick counter: + |
| io_rw_32 csr; |
| |
| _REG_(M33_SYST_RVR_OFFSET) // M33_SYST_RVR |
| // SysTick Reload Value Register |
| // 0x00ffffff [23:0] RELOAD (0x000000) Value to load into the SysTick Current Value Register... |
| io_rw_32 rvr; |
| |
| _REG_(M33_SYST_CVR_OFFSET) // M33_SYST_CVR |
| // SysTick Current Value Register |
| // 0x00ffffff [23:0] CURRENT (0x000000) Reads return the current value of the SysTick counter |
| io_rw_32 cvr; |
| |
| _REG_(M33_SYST_CALIB_OFFSET) // M33_SYST_CALIB |
| // SysTick Calibration Value Register |
| // 0x80000000 [31] NOREF (0) If reads as 1, the Reference clock is not provided - the... |
| // 0x40000000 [30] SKEW (0) If reads as 1, the calibration value for 10ms is inexact... |
| // 0x00ffffff [23:0] TENMS (0x000000) An optional Reload value to be used for 10ms (100Hz)... |
| io_ro_32 calib; |
| } systick_hw_t; |
| |
| #define systick_hw ((systick_hw_t *)(PPB_BASE + M33_SYST_CSR_OFFSET)) |
| #define systick_ns_hw ((systick_hw_t *)(PPB_NONSEC_BASE + M33_SYST_CSR_OFFSET)) |
| static_assert(sizeof (systick_hw_t) == 0x0010, ""); |
| |
| #endif // _HARDWARE_STRUCTS_SYSTICK_H |
| |