MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_NXP/TARGET_LPC81X/sleep.c@18:6a4db94011d3, 2017-05-14 (annotated)

Committer:
sahilmgandhi
Date:
Sun May 14 23:18:57 2017 +0000
Revision:
18:6a4db94011d3
Publishing again

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /* mbed Microcontroller Library
sahilmgandhi 18:6a4db94011d3 2 * Copyright (c) 2006-2013 ARM Limited
sahilmgandhi 18:6a4db94011d3 3 *
sahilmgandhi 18:6a4db94011d3 4 * Licensed under the Apache License, Version 2.0 (the "License");
sahilmgandhi 18:6a4db94011d3 5 * you may not use this file except in compliance with the License.
sahilmgandhi 18:6a4db94011d3 6 * You may obtain a copy of the License at
sahilmgandhi 18:6a4db94011d3 7 *
sahilmgandhi 18:6a4db94011d3 8 * http://www.apache.org/licenses/LICENSE-2.0
sahilmgandhi 18:6a4db94011d3 9 *
sahilmgandhi 18:6a4db94011d3 10 * Unless required by applicable law or agreed to in writing, software
sahilmgandhi 18:6a4db94011d3 11 * distributed under the License is distributed on an "AS IS" BASIS,
sahilmgandhi 18:6a4db94011d3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sahilmgandhi 18:6a4db94011d3 13 * See the License for the specific language governing permissions and
sahilmgandhi 18:6a4db94011d3 14 * limitations under the License.
sahilmgandhi 18:6a4db94011d3 15 */
sahilmgandhi 18:6a4db94011d3 16 #include "sleep_api.h"
sahilmgandhi 18:6a4db94011d3 17 #include "cmsis.h"
sahilmgandhi 18:6a4db94011d3 18
sahilmgandhi 18:6a4db94011d3 19
sahilmgandhi 18:6a4db94011d3 20 //#define DEEPSLEEP
sahilmgandhi 18:6a4db94011d3 21 #define POWERDOWN
sahilmgandhi 18:6a4db94011d3 22
sahilmgandhi 18:6a4db94011d3 23 void hal_sleep(void) {
sahilmgandhi 18:6a4db94011d3 24 //Normal sleep mode for PCON:
sahilmgandhi 18:6a4db94011d3 25 LPC_PMU->PCON &= ~0x03;
sahilmgandhi 18:6a4db94011d3 26
sahilmgandhi 18:6a4db94011d3 27 //Normal sleep mode for ARM core:
sahilmgandhi 18:6a4db94011d3 28 SCB->SCR = 0;
sahilmgandhi 18:6a4db94011d3 29
sahilmgandhi 18:6a4db94011d3 30 //And go to sleep
sahilmgandhi 18:6a4db94011d3 31 __WFI();
sahilmgandhi 18:6a4db94011d3 32 }
sahilmgandhi 18:6a4db94011d3 33
sahilmgandhi 18:6a4db94011d3 34
sahilmgandhi 18:6a4db94011d3 35
sahilmgandhi 18:6a4db94011d3 36 //Deepsleep/powerdown modes assume the device is configured to use its internal RC oscillator directly
sahilmgandhi 18:6a4db94011d3 37
sahilmgandhi 18:6a4db94011d3 38 #ifdef DEEPSLEEP
sahilmgandhi 18:6a4db94011d3 39 void hal_deepsleep(void) {
sahilmgandhi 18:6a4db94011d3 40 //Deep sleep in PCON
sahilmgandhi 18:6a4db94011d3 41 LPC_PMU->PCON &= ~0x03;
sahilmgandhi 18:6a4db94011d3 42 LPC_PMU->PCON |= 0x01;
sahilmgandhi 18:6a4db94011d3 43
sahilmgandhi 18:6a4db94011d3 44 //If brownout detection and WDT are enabled, keep them enabled during sleep
sahilmgandhi 18:6a4db94011d3 45 LPC_SYSCON->PDSLEEPCFG = LPC_SYSCON->PDRUNCFG;
sahilmgandhi 18:6a4db94011d3 46
sahilmgandhi 18:6a4db94011d3 47 //After wakeup same stuff as currently enabled:
sahilmgandhi 18:6a4db94011d3 48 LPC_SYSCON->PDAWAKECFG = LPC_SYSCON->PDRUNCFG;
sahilmgandhi 18:6a4db94011d3 49
sahilmgandhi 18:6a4db94011d3 50 //All interrupts may wake up:
sahilmgandhi 18:6a4db94011d3 51 LPC_SYSCON->STARTERP0 = 0xFF;
sahilmgandhi 18:6a4db94011d3 52 LPC_SYSCON->STARTERP1 = 0xFFFF;
sahilmgandhi 18:6a4db94011d3 53
sahilmgandhi 18:6a4db94011d3 54 //Deep sleep for ARM core:
sahilmgandhi 18:6a4db94011d3 55 SCB->SCR = 1<<2;
sahilmgandhi 18:6a4db94011d3 56
sahilmgandhi 18:6a4db94011d3 57 __WFI();
sahilmgandhi 18:6a4db94011d3 58 }
sahilmgandhi 18:6a4db94011d3 59 #endif
sahilmgandhi 18:6a4db94011d3 60
sahilmgandhi 18:6a4db94011d3 61 #ifdef POWERDOWN
sahilmgandhi 18:6a4db94011d3 62 void hal_deepsleep(void) {
sahilmgandhi 18:6a4db94011d3 63 //Powerdown in PCON
sahilmgandhi 18:6a4db94011d3 64 LPC_PMU->PCON &= ~0x03;
sahilmgandhi 18:6a4db94011d3 65 LPC_PMU->PCON |= 0x02;
sahilmgandhi 18:6a4db94011d3 66
sahilmgandhi 18:6a4db94011d3 67 //If brownout detection and WDT are enabled, keep them enabled during sleep
sahilmgandhi 18:6a4db94011d3 68 LPC_SYSCON->PDSLEEPCFG = LPC_SYSCON->PDRUNCFG;
sahilmgandhi 18:6a4db94011d3 69
sahilmgandhi 18:6a4db94011d3 70 //After wakeup same stuff as currently enabled:
sahilmgandhi 18:6a4db94011d3 71 LPC_SYSCON->PDAWAKECFG = LPC_SYSCON->PDRUNCFG;
sahilmgandhi 18:6a4db94011d3 72
sahilmgandhi 18:6a4db94011d3 73 //All interrupts may wake up:
sahilmgandhi 18:6a4db94011d3 74 LPC_SYSCON->STARTERP0 = 0xFF;
sahilmgandhi 18:6a4db94011d3 75 LPC_SYSCON->STARTERP1 = 0xFFFF;
sahilmgandhi 18:6a4db94011d3 76
sahilmgandhi 18:6a4db94011d3 77 //Deep sleep for ARM core:
sahilmgandhi 18:6a4db94011d3 78 SCB->SCR = 1<<2;
sahilmgandhi 18:6a4db94011d3 79
sahilmgandhi 18:6a4db94011d3 80 __WFI();
sahilmgandhi 18:6a4db94011d3 81 }
sahilmgandhi 18:6a4db94011d3 82 #endif