mirror of
https://github.com/espressif/esp-idf.git
synced 2025-10-31 04:59:55 +00:00
32 lines
908 B
C
32 lines
908 B
C
/*
|
|
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Unlicense OR CC0-1.0
|
|
*/
|
|
/* ULP-RISC-V example
|
|
|
|
This example code is in the Public Domain (or CC0 licensed, at your option.)
|
|
|
|
Unless required by applicable law or agreed to in writing, this
|
|
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
|
CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
This code runs on ULP-RISC-V coprocessor
|
|
*/
|
|
|
|
#include "ulp_riscv.h"
|
|
#include "ulp_riscv_utils.h"
|
|
|
|
int main (void)
|
|
{
|
|
ulp_riscv_wakeup_main_processor();
|
|
|
|
/* Wakeup interrupt is a level interrupt, wait 1 sec to
|
|
allow user to release button to avoid waking up the ULP multiple times */
|
|
ulp_riscv_delay_cycles(1000*1000 * ULP_RISCV_CYCLES_PER_US);
|
|
ulp_riscv_gpio_wakeup_clear();
|
|
|
|
/* ulp_riscv_halt() is called automatically when main exits */
|
|
return 0;
|
|
}
|