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32 lines
908 B
C
32 lines
908 B
C
/*
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* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Unlicense OR CC0-1.0
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*/
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/* ULP-RISC-V example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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This code runs on ULP-RISC-V coprocessor
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*/
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#include "ulp_riscv.h"
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#include "ulp_riscv_utils.h"
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int main (void)
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{
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ulp_riscv_wakeup_main_processor();
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/* Wakeup interrupt is a level interrupt, wait 1 sec to
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allow user to release button to avoid waking up the ULP multiple times */
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ulp_riscv_delay_cycles(1000*1000 * ULP_RISCV_CYCLES_PER_US);
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ulp_riscv_gpio_wakeup_clear();
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/* ulp_riscv_halt() is called automatically when main exits */
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return 0;
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}
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