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Diffstat (limited to 'lib/pico-sdk/rp2040/hardware/structs/watchdog.h')
-rw-r--r-- | lib/pico-sdk/rp2040/hardware/structs/watchdog.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/lib/pico-sdk/rp2040/hardware/structs/watchdog.h b/lib/pico-sdk/rp2040/hardware/structs/watchdog.h new file mode 100644 index 00000000..7667aa49 --- /dev/null +++ b/lib/pico-sdk/rp2040/hardware/structs/watchdog.h @@ -0,0 +1,67 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + +/** + * Copyright (c) 2024 Raspberry Pi Ltd. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef _HARDWARE_STRUCTS_WATCHDOG_H +#define _HARDWARE_STRUCTS_WATCHDOG_H + +/** + * \file rp2040/watchdog.h + */ + +#include "hardware/address_mapped.h" +#include "hardware/regs/watchdog.h" + +// Reference to datasheet: https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf#tab-registerlist_watchdog +// +// 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/watchdog.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE] FIELDNAME (RESETVALUE) DESCRIPTION + +typedef struct { + _REG_(WATCHDOG_CTRL_OFFSET) // WATCHDOG_CTRL + // Watchdog control + // 0x80000000 [31] TRIGGER (0) Trigger a watchdog reset + // 0x40000000 [30] ENABLE (0) When not enabled the watchdog timer is paused + // 0x04000000 [26] PAUSE_DBG1 (1) Pause the watchdog timer when processor 1 is in debug mode + // 0x02000000 [25] PAUSE_DBG0 (1) Pause the watchdog timer when processor 0 is in debug mode + // 0x01000000 [24] PAUSE_JTAG (1) Pause the watchdog timer when JTAG is accessing the bus fabric + // 0x00ffffff [23:0] TIME (0x000000) Indicates the number of ticks / 2 (see errata RP2040-E1)... + io_rw_32 ctrl; + + _REG_(WATCHDOG_LOAD_OFFSET) // WATCHDOG_LOAD + // Load the watchdog timer. + // 0x00ffffff [23:0] LOAD (0x000000) + io_wo_32 load; + + _REG_(WATCHDOG_REASON_OFFSET) // WATCHDOG_REASON + // Logs the reason for the last reset. + // 0x00000002 [1] FORCE (0) + // 0x00000001 [0] TIMER (0) + io_ro_32 reason; + + // (Description copied from array index 0 register WATCHDOG_SCRATCH0 applies similarly to other array indexes) + _REG_(WATCHDOG_SCRATCH0_OFFSET) // WATCHDOG_SCRATCH0 + // Scratch register + // 0xffffffff [31:0] SCRATCH0 (0x00000000) + io_rw_32 scratch[8]; + + _REG_(WATCHDOG_TICK_OFFSET) // WATCHDOG_TICK + // Controls the tick generator + // 0x000ff800 [19:11] COUNT (-) Count down timer: the remaining number clk_tick cycles... + // 0x00000400 [10] RUNNING (-) Is the tick generator running? + // 0x00000200 [9] ENABLE (1) start / stop tick generation + // 0x000001ff [8:0] CYCLES (0x000) Total number of clk_tick cycles before the next tick + io_rw_32 tick; +} watchdog_hw_t; + +#define watchdog_hw ((watchdog_hw_t *)WATCHDOG_BASE) +static_assert(sizeof (watchdog_hw_t) == 0x0030, ""); + +#endif // _HARDWARE_STRUCTS_WATCHDOG_H + |