mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

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

targets/TARGET_RENESAS/TARGET_RZ_A1XX/sleep.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
186:707f6e361f3e 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Anna Bridge 186:707f6e361f3e 1 /* mbed Microcontroller Library
Anna Bridge 186:707f6e361f3e 2 * Copyright (c) 2018 ARM Limited
Anna Bridge 186:707f6e361f3e 3 *
Anna Bridge 186:707f6e361f3e 4 * Licensed under the Apache License, Version 2.0 (the "License");
Anna Bridge 186:707f6e361f3e 5 * you may not use this file except in compliance with the License.
Anna Bridge 186:707f6e361f3e 6 * You may obtain a copy of the License at
Anna Bridge 186:707f6e361f3e 7 *
Anna Bridge 186:707f6e361f3e 8 * http://www.apache.org/licenses/LICENSE-2.0
Anna Bridge 186:707f6e361f3e 9 *
Anna Bridge 186:707f6e361f3e 10 * Unless required by applicable law or agreed to in writing, software
Anna Bridge 186:707f6e361f3e 11 * distributed under the License is distributed on an "AS IS" BASIS,
Anna Bridge 186:707f6e361f3e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Anna Bridge 186:707f6e361f3e 13 * See the License for the specific language governing permissions and
Anna Bridge 186:707f6e361f3e 14 * limitations under the License.
Anna Bridge 186:707f6e361f3e 15 */
Anna Bridge 186:707f6e361f3e 16 #include "sleep_api.h"
Anna Bridge 186:707f6e361f3e 17 #include "cmsis.h"
Anna Bridge 186:707f6e361f3e 18 #include "mbed_interface.h"
Anna Bridge 186:707f6e361f3e 19 #include "mbed_critical.h"
Anna Bridge 186:707f6e361f3e 20 #include "iodefine.h"
Anna Bridge 186:707f6e361f3e 21
Anna Bridge 186:707f6e361f3e 22 #if DEVICE_SLEEP
Anna Bridge 186:707f6e361f3e 23 static volatile uint8_t wk_CPGSTBCR3;
Anna Bridge 186:707f6e361f3e 24 static volatile uint8_t wk_CPGSTBCR4;
Anna Bridge 186:707f6e361f3e 25 static volatile uint8_t wk_CPGSTBCR5;
Anna Bridge 186:707f6e361f3e 26 static volatile uint8_t wk_CPGSTBCR6;
Anna Bridge 186:707f6e361f3e 27 static volatile uint8_t wk_CPGSTBCR7;
Anna Bridge 186:707f6e361f3e 28 static volatile uint8_t wk_CPGSTBCR8;
Anna Bridge 186:707f6e361f3e 29 static volatile uint8_t wk_CPGSTBCR9;
Anna Bridge 186:707f6e361f3e 30 static volatile uint8_t wk_CPGSTBCR10;
Anna Bridge 186:707f6e361f3e 31 static volatile uint8_t wk_CPGSTBCR11;
Anna Bridge 186:707f6e361f3e 32 static volatile uint8_t wk_CPGSTBCR12;
Anna Bridge 186:707f6e361f3e 33 #if defined(TARGET_RZA1H) || defined(TARGET_VK_RZ_A1H)
Anna Bridge 186:707f6e361f3e 34 static volatile uint8_t wk_CPGSTBCR13;
Anna Bridge 186:707f6e361f3e 35 #endif
Anna Bridge 186:707f6e361f3e 36 static volatile uint8_t wk_CPGSTBREQ1;
Anna Bridge 186:707f6e361f3e 37 static volatile uint8_t wk_CPGSTBREQ2;
Anna Bridge 186:707f6e361f3e 38
Anna Bridge 186:707f6e361f3e 39 typedef struct {
Anna Bridge 186:707f6e361f3e 40 volatile uint8_t * p_wk_stbcr;
Anna Bridge 186:707f6e361f3e 41 volatile uint8_t * p_stbcr;
Anna Bridge 186:707f6e361f3e 42 volatile uint8_t * p_stbreq;
Anna Bridge 186:707f6e361f3e 43 volatile uint8_t * p_stback;
Anna Bridge 186:707f6e361f3e 44 uint8_t mstp;
Anna Bridge 186:707f6e361f3e 45 uint8_t stbrq;
Anna Bridge 186:707f6e361f3e 46 } module_stanby_t;
Anna Bridge 186:707f6e361f3e 47
Anna Bridge 186:707f6e361f3e 48 static const module_stanby_t module_stanby[] = {
Anna Bridge 186:707f6e361f3e 49 {&wk_CPGSTBCR6, &CPGSTBCR6, &CPGSTBREQ1, &CPGSTBACK1, CPG_STBCR6_BIT_MSTP61, CPG_STBREQ1_BIT_STBRQ13}, /* JCU */
Anna Bridge 186:707f6e361f3e 50 {&wk_CPGSTBCR6, &CPGSTBCR6, &CPGSTBREQ1, &CPGSTBACK1, CPG_STBCR6_BIT_MSTP66, CPG_STBREQ1_BIT_STBRQ10}, /* CEU */
Anna Bridge 186:707f6e361f3e 51 {&wk_CPGSTBCR6, &CPGSTBCR8, &CPGSTBREQ1, &CPGSTBACK1, CPG_STBCR8_BIT_MSTP82, CPG_STBREQ1_BIT_STBRQ12}, /* EthernetAVB */
Anna Bridge 186:707f6e361f3e 52 {&wk_CPGSTBCR7, &CPGSTBCR7, &CPGSTBREQ2, &CPGSTBACK2, CPG_STBCR7_BIT_MSTP74, CPG_STBREQ2_BIT_STBRQ26}, /* Ethernet */
Anna Bridge 186:707f6e361f3e 53 {&wk_CPGSTBCR8, &CPGSTBCR8, &CPGSTBREQ2, &CPGSTBACK2, CPG_STBCR8_BIT_MSTP83, CPG_STBREQ2_BIT_STBRQ27}, /* MediaLB */
Anna Bridge 186:707f6e361f3e 54 {&wk_CPGSTBCR9, &CPGSTBCR9, &CPGSTBREQ2, &CPGSTBACK2, CPG_STBCR9_BIT_MSTP91, CPG_STBREQ2_BIT_STBRQ25}, /* VDC5_0 */
Anna Bridge 186:707f6e361f3e 55 #if defined(TARGET_RZA1H) || defined(TARGET_VK_RZ_A1H)
Anna Bridge 186:707f6e361f3e 56 {&wk_CPGSTBCR8, &CPGSTBCR8, &CPGSTBREQ2, &CPGSTBACK2, CPG_STBCR8_BIT_MSTP85, CPG_STBREQ2_BIT_STBRQ21}, /* IMR-LSD */
Anna Bridge 186:707f6e361f3e 57 {&wk_CPGSTBCR8, &CPGSTBCR8, &CPGSTBREQ2, &CPGSTBACK2, CPG_STBCR8_BIT_MSTP86, CPG_STBREQ2_BIT_STBRQ22}, /* IMR-LS2_1 */
Anna Bridge 186:707f6e361f3e 58 {&wk_CPGSTBCR8, &CPGSTBCR8, &CPGSTBREQ2, &CPGSTBACK2, CPG_STBCR8_BIT_MSTP87, CPG_STBREQ2_BIT_STBRQ23}, /* IMR-LS2_0 */
Anna Bridge 186:707f6e361f3e 59 {&wk_CPGSTBCR9, &CPGSTBCR9, &CPGSTBREQ2, &CPGSTBACK2, CPG_STBCR9_BIT_MSTP90, CPG_STBREQ2_BIT_STBRQ24}, /* VDC5_1 */
Anna Bridge 186:707f6e361f3e 60 {&wk_CPGSTBCR10, &CPGSTBCR10, &CPGSTBREQ2, &CPGSTBACK2, CPG_STBCR10_BIT_MSTP100, CPG_STBREQ2_BIT_STBRQ20}, /* OpenVG */
Anna Bridge 186:707f6e361f3e 61 #endif
Anna Bridge 186:707f6e361f3e 62 {0, 0, 0, 0, 0} /* None */
Anna Bridge 186:707f6e361f3e 63 };
Anna Bridge 186:707f6e361f3e 64
Anna Bridge 186:707f6e361f3e 65 static void module_standby_in(void) {
Anna Bridge 186:707f6e361f3e 66 volatile uint32_t cnt;
Anna Bridge 186:707f6e361f3e 67 volatile uint8_t dummy_8;
Anna Bridge 186:707f6e361f3e 68 const module_stanby_t * p_module = &module_stanby[0];
Anna Bridge 186:707f6e361f3e 69
Anna Bridge 186:707f6e361f3e 70 while (p_module->p_wk_stbcr != 0) {
Anna Bridge 186:707f6e361f3e 71 if ((*p_module->p_wk_stbcr & p_module->mstp) == 0) {
Anna Bridge 186:707f6e361f3e 72 *p_module->p_stbreq |= p_module->stbrq;
Anna Bridge 186:707f6e361f3e 73 dummy_8 = *p_module->p_stbreq;
Anna Bridge 186:707f6e361f3e 74 for (cnt = 0; cnt < 1000; cnt++) { // wait time
Anna Bridge 186:707f6e361f3e 75 if ((*p_module->p_stback & p_module->stbrq) != 0) {
Anna Bridge 186:707f6e361f3e 76 break;
Anna Bridge 186:707f6e361f3e 77 }
Anna Bridge 186:707f6e361f3e 78 }
Anna Bridge 186:707f6e361f3e 79 *p_module->p_stbcr |= p_module->mstp;
Anna Bridge 186:707f6e361f3e 80 dummy_8 = *p_module->p_stbcr;
Anna Bridge 186:707f6e361f3e 81 }
Anna Bridge 186:707f6e361f3e 82 p_module++;
Anna Bridge 186:707f6e361f3e 83 }
Anna Bridge 186:707f6e361f3e 84 (void)dummy_8;
Anna Bridge 186:707f6e361f3e 85 }
Anna Bridge 186:707f6e361f3e 86
Anna Bridge 186:707f6e361f3e 87 static void module_standby_out(void) {
Anna Bridge 186:707f6e361f3e 88 volatile uint32_t cnt;
Anna Bridge 186:707f6e361f3e 89 volatile uint8_t dummy_8;
Anna Bridge 186:707f6e361f3e 90 const module_stanby_t * p_module = &module_stanby[0];
Anna Bridge 186:707f6e361f3e 91
Anna Bridge 186:707f6e361f3e 92 while (p_module->p_wk_stbcr != 0) {
Anna Bridge 186:707f6e361f3e 93 if ((*p_module->p_wk_stbcr & p_module->mstp) == 0) {
Anna Bridge 186:707f6e361f3e 94 *p_module->p_stbreq &= ~(p_module->stbrq);
Anna Bridge 186:707f6e361f3e 95 dummy_8 = *p_module->p_stbreq;
Anna Bridge 186:707f6e361f3e 96 for (cnt = 0; cnt < 1000; cnt++) {
Anna Bridge 186:707f6e361f3e 97 if ((*p_module->p_stback & p_module->stbrq) == 0) {
Anna Bridge 186:707f6e361f3e 98 break;
Anna Bridge 186:707f6e361f3e 99 }
Anna Bridge 186:707f6e361f3e 100 }
Anna Bridge 186:707f6e361f3e 101 }
Anna Bridge 186:707f6e361f3e 102 p_module++;
Anna Bridge 186:707f6e361f3e 103 }
Anna Bridge 186:707f6e361f3e 104 (void)dummy_8;
Anna Bridge 186:707f6e361f3e 105 }
Anna Bridge 186:707f6e361f3e 106
Anna Bridge 186:707f6e361f3e 107 void hal_sleep(void) {
Anna Bridge 186:707f6e361f3e 108 // Transition to Sleep Mode
Anna Bridge 186:707f6e361f3e 109 __WFI();
Anna Bridge 186:707f6e361f3e 110 }
Anna Bridge 186:707f6e361f3e 111
Anna Bridge 186:707f6e361f3e 112 void hal_deepsleep(void) {
Anna Bridge 186:707f6e361f3e 113 volatile uint8_t dummy_8;
Anna Bridge 186:707f6e361f3e 114
Anna Bridge 186:707f6e361f3e 115 core_util_critical_section_enter();
Anna Bridge 186:707f6e361f3e 116 /* For powerdown the peripheral module, save current standby control register values(just in case) */
Anna Bridge 186:707f6e361f3e 117 wk_CPGSTBCR3 = CPGSTBCR3;
Anna Bridge 186:707f6e361f3e 118 wk_CPGSTBCR4 = CPGSTBCR4;
Anna Bridge 186:707f6e361f3e 119 wk_CPGSTBCR5 = CPGSTBCR5;
Anna Bridge 186:707f6e361f3e 120 wk_CPGSTBCR6 = CPGSTBCR6;
Anna Bridge 186:707f6e361f3e 121 wk_CPGSTBCR7 = CPGSTBCR7;
Anna Bridge 186:707f6e361f3e 122 wk_CPGSTBCR8 = CPGSTBCR8;
Anna Bridge 186:707f6e361f3e 123 wk_CPGSTBCR9 = CPGSTBCR9;
Anna Bridge 186:707f6e361f3e 124 wk_CPGSTBCR10 = CPGSTBCR10;
Anna Bridge 186:707f6e361f3e 125 wk_CPGSTBCR11 = CPGSTBCR11;
Anna Bridge 186:707f6e361f3e 126 wk_CPGSTBCR12 = CPGSTBCR12;
Anna Bridge 186:707f6e361f3e 127 #if defined(TARGET_RZA1H) || defined(TARGET_VK_RZ_A1H)
Anna Bridge 186:707f6e361f3e 128 wk_CPGSTBCR13 = CPGSTBCR13;
Anna Bridge 186:707f6e361f3e 129 #endif
Anna Bridge 186:707f6e361f3e 130
Anna Bridge 186:707f6e361f3e 131 /* MTU2 (for low power ticker) */
Anna Bridge 186:707f6e361f3e 132 CPGSTBCR3 |= ~(CPG_STBCR3_BIT_MSTP33);
Anna Bridge 186:707f6e361f3e 133 dummy_8 = CPGSTBCR3;
Anna Bridge 186:707f6e361f3e 134 CPGSTBCR4 = 0xFF;
Anna Bridge 186:707f6e361f3e 135 dummy_8 = CPGSTBCR4;
Anna Bridge 186:707f6e361f3e 136 CPGSTBCR5 = 0xFF;
Anna Bridge 186:707f6e361f3e 137 dummy_8 = CPGSTBCR5;
Anna Bridge 186:707f6e361f3e 138 /* Realtime Clock, JCU, CEU */
Anna Bridge 186:707f6e361f3e 139 CPGSTBCR6 |= ~(CPG_STBCR6_BIT_MSTP60 | CPG_STBCR6_BIT_MSTP61 | CPG_STBCR6_BIT_MSTP66);
Anna Bridge 186:707f6e361f3e 140 dummy_8 = CPGSTBCR6;
Anna Bridge 186:707f6e361f3e 141 /* Video Decoder0, Video Decoder1, Ethernet */
Anna Bridge 186:707f6e361f3e 142 CPGSTBCR7 |= ~(CPG_STBCR7_BIT_MSTP77 | CPG_STBCR7_BIT_MSTP76 | CPG_STBCR7_BIT_MSTP74);
Anna Bridge 186:707f6e361f3e 143 dummy_8 = CPGSTBCR7;
Anna Bridge 186:707f6e361f3e 144 /* EthernetAVB, MediaLB, IMR-LSD, IMR-LS2_1, IMR-LS2_0 */
Anna Bridge 186:707f6e361f3e 145 CPGSTBCR8 |= ~(CPG_STBCR8_BIT_MSTP82 | CPG_STBCR8_BIT_MSTP83 | CPG_STBCR8_BIT_MSTP85 | CPG_STBCR8_BIT_MSTP86 | CPG_STBCR8_BIT_MSTP87);
Anna Bridge 186:707f6e361f3e 146 dummy_8 = CPGSTBCR8;
Anna Bridge 186:707f6e361f3e 147 /* VDC5_1, SPI Multi I/O Bus Controller0 */
Anna Bridge 186:707f6e361f3e 148 CPGSTBCR9 |= ~(CPG_STBCR9_BIT_MSTP90 | CPG_STBCR9_BIT_MSTP93);
Anna Bridge 186:707f6e361f3e 149 dummy_8 = CPGSTBCR9;
Anna Bridge 186:707f6e361f3e 150 /* OpenVG */
Anna Bridge 186:707f6e361f3e 151 CPGSTBCR10 |= ~(CPG_STBCR10_BIT_MSTP100);
Anna Bridge 186:707f6e361f3e 152 dummy_8 = CPGSTBCR10;
Anna Bridge 186:707f6e361f3e 153 CPGSTBCR11 = 0xFF;
Anna Bridge 186:707f6e361f3e 154 dummy_8 = CPGSTBCR11;
Anna Bridge 186:707f6e361f3e 155 CPGSTBCR12 = 0xFF;
Anna Bridge 186:707f6e361f3e 156 dummy_8 = CPGSTBCR12;
Anna Bridge 186:707f6e361f3e 157 #if defined(TARGET_RZA1H) || defined(TARGET_VK_RZ_A1H)
Anna Bridge 186:707f6e361f3e 158 CPGSTBCR13 = 0xFF;
Anna Bridge 186:707f6e361f3e 159 dummy_8 = CPGSTBCR13;
Anna Bridge 186:707f6e361f3e 160 #endif
Anna Bridge 186:707f6e361f3e 161
Anna Bridge 186:707f6e361f3e 162 module_standby_in();
Anna Bridge 186:707f6e361f3e 163
Anna Bridge 186:707f6e361f3e 164 // Transition to Sleep Mode
Anna Bridge 186:707f6e361f3e 165 __WFI();
Anna Bridge 186:707f6e361f3e 166
Anna Bridge 186:707f6e361f3e 167 /* Revert standby control register values */
Anna Bridge 186:707f6e361f3e 168 CPGSTBCR3 = wk_CPGSTBCR3;
Anna Bridge 186:707f6e361f3e 169 dummy_8 = CPGSTBCR3;
Anna Bridge 186:707f6e361f3e 170 CPGSTBCR4 = wk_CPGSTBCR4;
Anna Bridge 186:707f6e361f3e 171 dummy_8 = CPGSTBCR4;
Anna Bridge 186:707f6e361f3e 172 CPGSTBCR5 = wk_CPGSTBCR5;
Anna Bridge 186:707f6e361f3e 173 dummy_8 = CPGSTBCR5;
Anna Bridge 186:707f6e361f3e 174 CPGSTBCR6 = wk_CPGSTBCR6;
Anna Bridge 186:707f6e361f3e 175 dummy_8 = CPGSTBCR6;
Anna Bridge 186:707f6e361f3e 176 CPGSTBCR7 = wk_CPGSTBCR7;
Anna Bridge 186:707f6e361f3e 177 dummy_8 = CPGSTBCR7;
Anna Bridge 186:707f6e361f3e 178 CPGSTBCR8 = wk_CPGSTBCR8;
Anna Bridge 186:707f6e361f3e 179 dummy_8 = CPGSTBCR8;
Anna Bridge 186:707f6e361f3e 180 CPGSTBCR9 = wk_CPGSTBCR9;
Anna Bridge 186:707f6e361f3e 181 dummy_8 = CPGSTBCR9;
Anna Bridge 186:707f6e361f3e 182 CPGSTBCR10 = wk_CPGSTBCR10;
Anna Bridge 186:707f6e361f3e 183 dummy_8 = CPGSTBCR10;
Anna Bridge 186:707f6e361f3e 184 CPGSTBCR11 = wk_CPGSTBCR11;
Anna Bridge 186:707f6e361f3e 185 dummy_8 = CPGSTBCR11;
Anna Bridge 186:707f6e361f3e 186 CPGSTBCR12 = wk_CPGSTBCR12;
Anna Bridge 186:707f6e361f3e 187 dummy_8 = CPGSTBCR12;
Anna Bridge 186:707f6e361f3e 188 #if defined(TARGET_RZA1H) || defined(TARGET_VK_RZ_A1H)
Anna Bridge 186:707f6e361f3e 189 CPGSTBCR13 = wk_CPGSTBCR13;
Anna Bridge 186:707f6e361f3e 190 dummy_8 = CPGSTBCR13;
Anna Bridge 186:707f6e361f3e 191 #endif
Anna Bridge 186:707f6e361f3e 192
Anna Bridge 186:707f6e361f3e 193 module_standby_out();
Anna Bridge 186:707f6e361f3e 194 core_util_critical_section_exit();
Anna Bridge 186:707f6e361f3e 195
Anna Bridge 186:707f6e361f3e 196 (void)dummy_8;
Anna Bridge 186:707f6e361f3e 197 }
Anna Bridge 186:707f6e361f3e 198 #endif