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SourceVuRaspberry Pi Pico SDK and ExamplesPicoSDKwatchdog_hw_t

watchdog_hw_t struct

Syntax

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Summary

Declaration

from watchdog.h:26

typedef struct { _REG_(WATCHDOG_CTRL_OFFSET) io_rw_32 ctrl; _REG_(WATCHDOG_LOAD_OFFSET) io_wo_32 load; _REG_(WATCHDOG_REASON_OFFSET) io_ro_32 reason; _REG_(WATCHDOG_SCRATCH0_OFFSET) io_rw_32 scratch[8]; } watchdog_hw_t;

Fields

Field

Declared as

watchdog_hw_t::ctrl

watchdog_hw_t::load

watchdog_hw_t::reason

watchdog_hw_t::scratch

Examples

watchdog_hw_t is referenced by 2 libraries and example projects:

boot_info sample

narrow_io_write sample

References

from 0/2 examples

Code

Location

Referrer

typedef struct {

} watchdog_hw_t;

watchdog_hw->load = load_value;

watchdog_update()

return watchdog_hw->ctrl & WATCHDOG_CTRL_TIME_BITS;

watchdog_get_time_remaining_ms()

hw_clear_bits(&watchdog_hw->ctrl, WATCHDOG_CTRL_ENABLE_BITS);

_watchdog_enable()

hw_set_bits(&watchdog_hw->ctrl, dbg_bits);

_watchdog_enable()

hw_clear_bits(&watchdog_hw->ctrl, dbg_bits);

_watchdog_enable()

hw_set_bits(&watchdog_hw->ctrl, WATCHDOG_CTRL_TRIGGER_BITS);

_watchdog_enable()

hw_set_bits(&watchdog_hw->ctrl, WATCHDOG_CTRL_ENABLE_BITS);

_watchdog_enable()

watchdog_hw->scratch[4] = WATCHDOG_NON_REBOOT_MAGIC;

watchdog_enable()

hw_clear_bits(&watchdog_hw->ctrl, WATCHDOG_CTRL_ENABLE_BITS);

watchdog_disable()

check_hw_layout(watchdog_hw_t, scratch[7], WATCHDOG_SCRATCH7_OFFSET);

watchdog_reboot()

hw_clear_bits(&watchdog_hw->ctrl, WATCHDOG_CTRL_ENABLE_BITS);

watchdog_reboot()

watchdog_hw->scratch[4] = 0xb007c0d3;

watchdog_reboot()

watchdog_hw->scratch[5] = pc ^ -0xb007c0d3;

watchdog_reboot()

watchdog_hw->scratch[6] = sp;

watchdog_reboot()

watchdog_hw->scratch[7] = pc;

watchdog_reboot()

watchdog_hw->scratch[4] = 0;

watchdog_reboot()

return watchdog_hw->reason && rom_get_last_boot_type() == BOOT_TYPE_NORMAL;

watchdog_caused_reboot()

return watchdog_hw->reason && watchdog_hw->scratch[4] == WATCHDOG_NON_REBOOT_MAGIC;

watchdog_enable_caused_reboot()

} watchdog_hw_t;

static_assert(sizeof (watchdog_hw_t) == 0x002c, "");