MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_NXP/TARGET_LPC11U6X/sleep.c@46:b156ef445742, 2017-06-03 (annotated)

Committer:
sahilmgandhi
Date:
Sat Jun 03 00:22:44 2017 +0000
Revision:
46:b156ef445742
Parent:
18:6a4db94011d3 
Final code for internal battlebot competition.

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 #include "mbed_interface.h"
sahilmgandhi 18:6a4db94011d3 19
sahilmgandhi 18:6a4db94011d3 20 #if DEVICE_SLEEP
sahilmgandhi 18:6a4db94011d3 21
sahilmgandhi 18:6a4db94011d3 22 void hal_sleep(void) {
sahilmgandhi 18:6a4db94011d3 23
sahilmgandhi 18:6a4db94011d3 24 #if (DEVICE_SEMIHOST == 1)
sahilmgandhi 18:6a4db94011d3 25 // ensure debug is disconnected
sahilmgandhi 18:6a4db94011d3 26 mbed_interface_disconnect();
sahilmgandhi 18:6a4db94011d3 27 #endif
sahilmgandhi 18:6a4db94011d3 28
sahilmgandhi 18:6a4db94011d3 29 // PCON[PM] (bits 2:0) set to 0
sahilmgandhi 18:6a4db94011d3 30 LPC_PMU->PCON &= ~0x03;
sahilmgandhi 18:6a4db94011d3 31
sahilmgandhi 18:6a4db94011d3 32 // SRC[SLEEPDEEP] set to 0 = sleep
sahilmgandhi 18:6a4db94011d3 33 SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
sahilmgandhi 18:6a4db94011d3 34
sahilmgandhi 18:6a4db94011d3 35 // wait for interrupt
sahilmgandhi 18:6a4db94011d3 36 __WFI();
sahilmgandhi 18:6a4db94011d3 37 }
sahilmgandhi 18:6a4db94011d3 38
sahilmgandhi 18:6a4db94011d3 39
sahilmgandhi 18:6a4db94011d3 40 void hal_deepsleep(void) {
sahilmgandhi 18:6a4db94011d3 41
sahilmgandhi 18:6a4db94011d3 42 #if (DEVICE_SEMIHOST == 1)
sahilmgandhi 18:6a4db94011d3 43 // ensure debug is disconnected
sahilmgandhi 18:6a4db94011d3 44 mbed_interface_disconnect();
sahilmgandhi 18:6a4db94011d3 45 #endif
sahilmgandhi 18:6a4db94011d3 46
sahilmgandhi 18:6a4db94011d3 47 // PCON[PM] (bits 2:0) set to 1
sahilmgandhi 18:6a4db94011d3 48 LPC_PMU->PCON &= ~0x03;
sahilmgandhi 18:6a4db94011d3 49 LPC_PMU->PCON |= 0x01;
sahilmgandhi 18:6a4db94011d3 50
sahilmgandhi 18:6a4db94011d3 51 //According to user manual it is kinda picky about reserved bits, so we follow that nicely
sahilmgandhi 18:6a4db94011d3 52 //Keep WDOSC and BOD in same state as they are now during deepsleep
sahilmgandhi 18:6a4db94011d3 53 LPC_SYSCON->PDSLEEPCFG = 0x00000037 | (LPC_SYSCON->PDRUNCFG & (0x00000048));
sahilmgandhi 18:6a4db94011d3 54
sahilmgandhi 18:6a4db94011d3 55 // Power up same as before powerdown
sahilmgandhi 18:6a4db94011d3 56 LPC_SYSCON->PDAWAKECFG = LPC_SYSCON->PDRUNCFG;
sahilmgandhi 18:6a4db94011d3 57
sahilmgandhi 18:6a4db94011d3 58 // All interrupts can wake
sahilmgandhi 18:6a4db94011d3 59 LPC_SYSCON->STARTERP0 = 0xFF;
sahilmgandhi 18:6a4db94011d3 60 LPC_SYSCON->STARTERP1 = 0xFFFFFFFF;
sahilmgandhi 18:6a4db94011d3 61
sahilmgandhi 18:6a4db94011d3 62 // SRC[SLEEPDEEP] set to 1 = deep sleep
sahilmgandhi 18:6a4db94011d3 63 SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
sahilmgandhi 18:6a4db94011d3 64
sahilmgandhi 18:6a4db94011d3 65 // wait for interrupt
sahilmgandhi 18:6a4db94011d3 66 __WFI();
sahilmgandhi 18:6a4db94011d3 67 }
sahilmgandhi 18:6a4db94011d3 68
sahilmgandhi 18:6a4db94011d3 69 #endif