/* * Copyright (c) 2019-2023 Beijing Hanwei Innovation Technology Ltd. Co. and * its subsidiaries and affiliates (collectly called MKSEMI). * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form, except as embedded into an MKSEMI * integrated circuit in a product or a software update for such product, * must reproduce the above copyright notice, this list of conditions and * the following disclaimer in the documentation and/or other materials * provided with the distribution. * * 3. Neither the name of MKSEMI nor the names of its contributors may be used * to endorse or promote products derived from this software without * specific prior written permission. * * 4. This software, with or without modification, must only be used with a * MKSEMI integrated circuit. * * 5. Any software provided in binary form under this license must not be * reverse engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY MKSEMI "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL MKSEMI OR CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "mk_trace.h" #include "mk_wdt.h" #include "mk_reset.h" #include "mk_calib.h" #include "mk_misc.h" #include "libc_rom.h" #include "board.h" static void app_wdt_callback(void *dev, uint32_t status) { ASSERT(status, "WDT TIMEOUT"); } int main(void) { board_clock_run(); board_pins_config(); board_debug_console_open(TRACE_PORT_UART0); // Reset reason reset_cause_get(); reset_cause_clear(); // Chip calibration calib_chip(); // Disable watchdog timer wdt_close(WDT_ID0); LOG_INFO(TRACE_MODULE_APP, "WDT example\r\n"); gpio_open(); board_configure(); struct WDT_CFG_T app_wdt_cfg = { .timeout = 32768 * 10, .rst_en = true, .int_en = true, .callback = app_wdt_callback, }; wdt_open(WDT_ID0, &app_wdt_cfg); LOG_INFO(TRACE_MODULE_APP, "WDT open\r\n"); wdt_set_time(WDT_ID0, 32768); uint32_t cnt = 0; uint32_t time_left = 0; while (1) { wdt_ping(WDT_ID0); delay_us(200 * 1000); time_left = 0; wdt_time_left(WDT_ID0, &time_left); LOG_INFO(TRACE_MODULE_APP, "feed dog round %d, time left %d\r\n", cnt++, time_left); } }