mirror of https://github.com/ARMmbed/mbed-os.git
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2006-2018 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "sleep_api.h"
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#include "cmsis.h"
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#include "mbed_interface.h"
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#define DEFAULT_PD_BOOTJUMPADDR (0x18001004UL)
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void hal_sleep(void)
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{
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SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
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// wait for interrupt
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__DSB();
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__WFI();
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}
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/*
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* The mbed UNO_91H does not support the deepsleep mode
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* as a debugger is connected to it (the mbed interface).
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*
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* We treat a deepsleep() as a normal sleep().
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*/
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void hal_deepsleep(void)
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{
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uint32_t regval, gpio_num = 4;
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/* Set pd write_en */
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RDA_SCU->PWRCTRL |= (0x01UL << 8);
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regval = RDA_SCU->PWRCTRL | (0x01UL << 3); // gpio wakeup en
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regval &= ~(0x0FUL << 9);
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regval |= (gpio_num << 9); // set gpio number
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RDA_SCU->PWRCTRL = regval & ~(0x01UL << 14); // posedge
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RDA_SCU->BOOTJUMPADDRCFG = DEFAULT_PD_BOOTJUMPADDR;
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/* Clr pd write_en */
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RDA_SCU->PWRCTRL &= ~(0x01UL << 8);
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osDelay(1);
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rda_ccfg_ckrst();
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osDelay(1);
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RDA_SCU->PWRCTRL |= (0x01UL << 25); // goto low-power mode
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}
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