v2.0.0-develop
systick.h
1// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT
2
8#ifndef _HARDWARE_STRUCTS_SYSTICK_H
9#define _HARDWARE_STRUCTS_SYSTICK_H
10
11#include "hardware/address_mapped.h"
12#include "hardware/regs/m33.h"
13
14// Reference to datasheet: https://datasheets.raspberrypi.com/rp2350/rp2350-datasheet.pdf#tab-registerlist_m33
15//
16// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature)
17// _REG_(x) will link to the corresponding register in hardware/regs/m33.h.
18//
19// Bit-field descriptions are of the form:
20// BITMASK [BITRANGE] FIELDNAME (RESETVALUE) DESCRIPTION
21
22#if defined(__riscv) && PICO_FORBID_ARM_HEADERS_ON_RISCV
23#error "Arm header included in a RISC-V build with PICO_FORBID_ARM_HEADERS_ON_RISCV=1"
24#endif
25
26 typedef struct {
27 _REG_(M33_SYST_CSR_OFFSET) // M33_SYST_CSR
28 // SysTick Control and Status Register
29 // 0x00010000 [16] COUNTFLAG (0) Returns 1 if timer counted to 0 since last time this was read
30 // 0x00000004 [2] CLKSOURCE (0) SysTick clock source
31 // 0x00000002 [1] TICKINT (0) Enables SysTick exception request: +
32 // 0x00000001 [0] ENABLE (0) Enable SysTick counter: +
33 io_rw_32 csr;
34
35 _REG_(M33_SYST_RVR_OFFSET) // M33_SYST_RVR
36 // SysTick Reload Value Register
37 // 0x00ffffff [23:0] RELOAD (0x000000) Value to load into the SysTick Current Value Register...
38 io_rw_32 rvr;
39
40 _REG_(M33_SYST_CVR_OFFSET) // M33_SYST_CVR
41 // SysTick Current Value Register
42 // 0x00ffffff [23:0] CURRENT (0x000000) Reads return the current value of the SysTick counter
43 io_rw_32 cvr;
44
45 _REG_(M33_SYST_CALIB_OFFSET) // M33_SYST_CALIB
46 // SysTick Calibration Value Register
47 // 0x80000000 [31] NOREF (0) If reads as 1, the Reference clock is not provided - the...
48 // 0x40000000 [30] SKEW (0) If reads as 1, the calibration value for 10ms is inexact...
49 // 0x00ffffff [23:0] TENMS (0x000000) An optional Reload value to be used for 10ms (100Hz)...
50 io_ro_32 calib;
51
52} systick_hw_t;
53
54#define systick_hw ((systick_hw_t *)(PPB_BASE + M33_SYST_CSR_OFFSET))
55#define systick_ns_hw ((systick_hw_t *)(PPB_NONSEC_BASE + M33_SYST_CSR_OFFSET))
56static_assert(sizeof (systick_hw_t) == 0x0010, "");
57
58#endif // _HARDWARE_STRUCTS_SYSTICK_H
59
address_mapped.h
systick_hw_t
Definition: systick.h:26