MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_NXP/TARGET_LPC15XX/rtc_api.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 "rtc_api.h"
sahilmgandhi 18:6a4db94011d3 17
sahilmgandhi 18:6a4db94011d3 18 #if DEVICE_RTC
sahilmgandhi 18:6a4db94011d3 19
sahilmgandhi 18:6a4db94011d3 20 void rtc_init(void)
sahilmgandhi 18:6a4db94011d3 21 {
sahilmgandhi 18:6a4db94011d3 22 // Enables clock for RTC
sahilmgandhi 18:6a4db94011d3 23 LPC_SYSCON->SYSAHBCLKCTRL0 |= (1 << 23);
sahilmgandhi 18:6a4db94011d3 24
sahilmgandhi 18:6a4db94011d3 25 // Software reset
sahilmgandhi 18:6a4db94011d3 26 LPC_RTC->CTRL |= 1;
sahilmgandhi 18:6a4db94011d3 27
sahilmgandhi 18:6a4db94011d3 28 LPC_RTC->COUNT = 0;
sahilmgandhi 18:6a4db94011d3 29
sahilmgandhi 18:6a4db94011d3 30 // Enabled RTC
sahilmgandhi 18:6a4db94011d3 31 LPC_RTC->CTRL |= (1 << 7);
sahilmgandhi 18:6a4db94011d3 32 // clear reset
sahilmgandhi 18:6a4db94011d3 33 LPC_RTC->CTRL &= ~1;
sahilmgandhi 18:6a4db94011d3 34 }
sahilmgandhi 18:6a4db94011d3 35
sahilmgandhi 18:6a4db94011d3 36 void rtc_free(void)
sahilmgandhi 18:6a4db94011d3 37 {
sahilmgandhi 18:6a4db94011d3 38 LPC_SYSCON->SYSAHBCLKCTRL0 &= ~(1 << 23);
sahilmgandhi 18:6a4db94011d3 39 LPC_RTC->CTRL &= ~(1 << 7);
sahilmgandhi 18:6a4db94011d3 40 }
sahilmgandhi 18:6a4db94011d3 41
sahilmgandhi 18:6a4db94011d3 42 int rtc_isenabled(void)
sahilmgandhi 18:6a4db94011d3 43 {
sahilmgandhi 18:6a4db94011d3 44 return (((LPC_RTC->CTRL) & 0x80) != 0);
sahilmgandhi 18:6a4db94011d3 45 }
sahilmgandhi 18:6a4db94011d3 46
sahilmgandhi 18:6a4db94011d3 47 time_t rtc_read(void)
sahilmgandhi 18:6a4db94011d3 48 {
sahilmgandhi 18:6a4db94011d3 49 return (time_t)LPC_RTC->COUNT;
sahilmgandhi 18:6a4db94011d3 50 }
sahilmgandhi 18:6a4db94011d3 51
sahilmgandhi 18:6a4db94011d3 52 void rtc_write(time_t t)
sahilmgandhi 18:6a4db94011d3 53 {
sahilmgandhi 18:6a4db94011d3 54 // Disabled RTC
sahilmgandhi 18:6a4db94011d3 55 LPC_RTC->CTRL &= ~(1 << 7);
sahilmgandhi 18:6a4db94011d3 56
sahilmgandhi 18:6a4db94011d3 57 // Set count
sahilmgandhi 18:6a4db94011d3 58 LPC_RTC->COUNT = t;
sahilmgandhi 18:6a4db94011d3 59
sahilmgandhi 18:6a4db94011d3 60 //Enabled RTC
sahilmgandhi 18:6a4db94011d3 61 LPC_RTC->CTRL |= (1 << 7);
sahilmgandhi 18:6a4db94011d3 62 }
sahilmgandhi 18:6a4db94011d3 63
sahilmgandhi 18:6a4db94011d3 64 #endif