mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_TOSHIBA/TARGET_TMPM3H6/sleep.c@187:0387e8f68319, 2018-09-06 (annotated)

Committer:
AnnaBridge
Date:
Thu Sep 06 13:40:20 2018 +0100
Revision:
187:0387e8f68319
mbed-dev library. Release version 163

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 187:0387e8f68319 1 /* mbed Microcontroller Library
AnnaBridge 187:0387e8f68319 2 * (C)Copyright TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION 2018 All rights reserved
AnnaBridge 187:0387e8f68319 3 *
AnnaBridge 187:0387e8f68319 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 187:0387e8f68319 5 * you may not use this file except in compliance with the License.
AnnaBridge 187:0387e8f68319 6 * You may obtain a copy of the License at
AnnaBridge 187:0387e8f68319 7 *
AnnaBridge 187:0387e8f68319 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 187:0387e8f68319 9 *
AnnaBridge 187:0387e8f68319 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 187:0387e8f68319 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 187:0387e8f68319 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 187:0387e8f68319 13 * See the License for the specific language governing permissions and
AnnaBridge 187:0387e8f68319 14 * limitations under the License.
AnnaBridge 187:0387e8f68319 15 */
AnnaBridge 187:0387e8f68319 16 #include "sleep_api.h"
AnnaBridge 187:0387e8f68319 17 #include "gpio_include.h"
AnnaBridge 187:0387e8f68319 18
AnnaBridge 187:0387e8f68319 19 static void warming_up_time(void);
AnnaBridge 187:0387e8f68319 20
AnnaBridge 187:0387e8f68319 21 void hal_sleep(void)
AnnaBridge 187:0387e8f68319 22 {
AnnaBridge 187:0387e8f68319 23 // Set low power consumption mode IDLE
AnnaBridge 187:0387e8f68319 24 TSB_CG->STBYCR = CG_STBY_MODE_IDLE;
AnnaBridge 187:0387e8f68319 25 __DSB(); // Enter idle mode
AnnaBridge 187:0387e8f68319 26 __WFI();
AnnaBridge 187:0387e8f68319 27 }
AnnaBridge 187:0387e8f68319 28
AnnaBridge 187:0387e8f68319 29 void hal_deepsleep(void)
AnnaBridge 187:0387e8f68319 30 {
AnnaBridge 187:0387e8f68319 31 uint32_t tmp = 0;
AnnaBridge 187:0387e8f68319 32
AnnaBridge 187:0387e8f68319 33 TSB_CG_FSYSENB_IPENB31 = ENABLE;
AnnaBridge 187:0387e8f68319 34
AnnaBridge 187:0387e8f68319 35 TSB_SIWD0->EN = DISABLE;
AnnaBridge 187:0387e8f68319 36 TSB_SIWD0->CR = 0xB1;
AnnaBridge 187:0387e8f68319 37
AnnaBridge 187:0387e8f68319 38 while ((TSB_FC->SR0 & 0x01) != 0x01) {
AnnaBridge 187:0387e8f68319 39 // Flash wait
AnnaBridge 187:0387e8f68319 40 }
AnnaBridge 187:0387e8f68319 41
AnnaBridge 187:0387e8f68319 42 while (TSB_CG_WUPHCR_WUEF) {
AnnaBridge 187:0387e8f68319 43 // Wait for end of Warming-up for IHOSC1
AnnaBridge 187:0387e8f68319 44 }
AnnaBridge 187:0387e8f68319 45
AnnaBridge 187:0387e8f68319 46 TSB_CG_WUPHCR_WUCLK = DISABLE;
AnnaBridge 187:0387e8f68319 47 warming_up_time();
AnnaBridge 187:0387e8f68319 48 TSB_CG->STBYCR = CG_STBY_MODE_STOP1;
AnnaBridge 187:0387e8f68319 49 TSB_CG_PLL0SEL_PLL0SEL = DISABLE;
AnnaBridge 187:0387e8f68319 50
AnnaBridge 187:0387e8f68319 51 while (TSB_CG_PLL0SEL_PLL0ST) {
AnnaBridge 187:0387e8f68319 52 // Wait for PLL status of fsys until off state(fosc=0)
AnnaBridge 187:0387e8f68319 53 }
AnnaBridge 187:0387e8f68319 54
AnnaBridge 187:0387e8f68319 55 TSB_CG_PLL0SEL_PLL0ON = DISABLE; // Stop PLL of fsys
AnnaBridge 187:0387e8f68319 56 TSB_CG_OSCCR_IHOSC1EN = ENABLE;
AnnaBridge 187:0387e8f68319 57 TSB_CG_OSCCR_OSCSEL = DISABLE;
AnnaBridge 187:0387e8f68319 58
AnnaBridge 187:0387e8f68319 59 while (TSB_CG_OSCCR_OSCF) {
AnnaBridge 187:0387e8f68319 60 // Wait for fosc status until IHOSC1 = 0
AnnaBridge 187:0387e8f68319 61 }
AnnaBridge 187:0387e8f68319 62
AnnaBridge 187:0387e8f68319 63 tmp = TSB_CG->OSCCR;
AnnaBridge 187:0387e8f68319 64 tmp &= EXTERNEL_OSC_MASK;
AnnaBridge 187:0387e8f68319 65 TSB_CG->OSCCR = tmp;
AnnaBridge 187:0387e8f68319 66 TSB_CG_OSCCR_IHOSC2EN = DISABLE;
AnnaBridge 187:0387e8f68319 67
AnnaBridge 187:0387e8f68319 68 while (TSB_CG_OSCCR_IHOSC2F) {
AnnaBridge 187:0387e8f68319 69 // Wait for status of OFD until off "0"
AnnaBridge 187:0387e8f68319 70 }
AnnaBridge 187:0387e8f68319 71
AnnaBridge 187:0387e8f68319 72 __DSB();
AnnaBridge 187:0387e8f68319 73 __WFI();
AnnaBridge 187:0387e8f68319 74 }
AnnaBridge 187:0387e8f68319 75
AnnaBridge 187:0387e8f68319 76 static void warming_up_time(void)
AnnaBridge 187:0387e8f68319 77 {
AnnaBridge 187:0387e8f68319 78 uint32_t work = 0;
AnnaBridge 187:0387e8f68319 79 uint64_t x = 0;
AnnaBridge 187:0387e8f68319 80
AnnaBridge 187:0387e8f68319 81 x = (uint64_t)(IHOSC_CFG_WARM_UP_TIME * IHOSC_CFG_CLOCK);
AnnaBridge 187:0387e8f68319 82 x = (uint64_t)(x / (uint64_t)(1000000));
AnnaBridge 187:0387e8f68319 83
AnnaBridge 187:0387e8f68319 84 work = (uint32_t)x;
AnnaBridge 187:0387e8f68319 85 work &= (uint32_t)(0xFFFFFFF0);
AnnaBridge 187:0387e8f68319 86 work <<= 16;
AnnaBridge 187:0387e8f68319 87 work |= (uint32_t)(TSB_CG->WUPHCR & ~CGWUPHCR_WUPT_HIGH_MASK);
AnnaBridge 187:0387e8f68319 88 TSB_CG->WUPHCR = work;
AnnaBridge 187:0387e8f68319 89 }