mbed library sources for GR-PEACH rev.B.
Fork of mbed-src by
targets/hal/TARGET_NXP/TARGET_LPC11U6X/rtc_api.c@514:cf59050bad8e, 2015-04-15 (annotated)
- Committer:
- RyoheiHagimoto
- Date:
- Wed Apr 15 01:34:29 2015 +0000
- Revision:
- 514:cf59050bad8e
- Parent:
- 348:3dfac0d3ce7b
mbed library sources for GR-PEACH rev.B.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 348:3dfac0d3ce7b | 1 | /* mbed Microcontroller Library |
mbed_official | 348:3dfac0d3ce7b | 2 | * Copyright (c) 2006-2013 ARM Limited |
mbed_official | 348:3dfac0d3ce7b | 3 | * |
mbed_official | 348:3dfac0d3ce7b | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mbed_official | 348:3dfac0d3ce7b | 5 | * you may not use this file except in compliance with the License. |
mbed_official | 348:3dfac0d3ce7b | 6 | * You may obtain a copy of the License at |
mbed_official | 348:3dfac0d3ce7b | 7 | * |
mbed_official | 348:3dfac0d3ce7b | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mbed_official | 348:3dfac0d3ce7b | 9 | * |
mbed_official | 348:3dfac0d3ce7b | 10 | * Unless required by applicable law or agreed to in writing, software |
mbed_official | 348:3dfac0d3ce7b | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mbed_official | 348:3dfac0d3ce7b | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mbed_official | 348:3dfac0d3ce7b | 13 | * See the License for the specific language governing permissions and |
mbed_official | 348:3dfac0d3ce7b | 14 | * limitations under the License. |
mbed_official | 348:3dfac0d3ce7b | 15 | */ |
mbed_official | 348:3dfac0d3ce7b | 16 | #include "rtc_api.h" |
mbed_official | 348:3dfac0d3ce7b | 17 | |
mbed_official | 348:3dfac0d3ce7b | 18 | #if DEVICE_RTC |
mbed_official | 348:3dfac0d3ce7b | 19 | |
mbed_official | 348:3dfac0d3ce7b | 20 | void rtc_init(void) |
mbed_official | 348:3dfac0d3ce7b | 21 | { |
mbed_official | 348:3dfac0d3ce7b | 22 | // Enables clock for RTC |
mbed_official | 348:3dfac0d3ce7b | 23 | LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 30); |
mbed_official | 348:3dfac0d3ce7b | 24 | |
mbed_official | 348:3dfac0d3ce7b | 25 | // Software reset |
mbed_official | 348:3dfac0d3ce7b | 26 | LPC_RTC->CTRL |= 1; |
mbed_official | 348:3dfac0d3ce7b | 27 | |
mbed_official | 348:3dfac0d3ce7b | 28 | LPC_RTC->COUNT = 0; |
mbed_official | 348:3dfac0d3ce7b | 29 | |
mbed_official | 348:3dfac0d3ce7b | 30 | // Enabled RTC |
mbed_official | 348:3dfac0d3ce7b | 31 | LPC_RTC->CTRL |= (1 << 7); |
mbed_official | 348:3dfac0d3ce7b | 32 | // clear reset |
mbed_official | 348:3dfac0d3ce7b | 33 | LPC_RTC->CTRL &= ~1; |
mbed_official | 348:3dfac0d3ce7b | 34 | } |
mbed_official | 348:3dfac0d3ce7b | 35 | |
mbed_official | 348:3dfac0d3ce7b | 36 | void rtc_free(void) |
mbed_official | 348:3dfac0d3ce7b | 37 | { |
mbed_official | 348:3dfac0d3ce7b | 38 | LPC_SYSCON->SYSAHBCLKCTRL &= ~(1 << 30); |
mbed_official | 348:3dfac0d3ce7b | 39 | LPC_RTC->CTRL &= ~(1 << 7); |
mbed_official | 348:3dfac0d3ce7b | 40 | } |
mbed_official | 348:3dfac0d3ce7b | 41 | |
mbed_official | 348:3dfac0d3ce7b | 42 | int rtc_isenabled(void) |
mbed_official | 348:3dfac0d3ce7b | 43 | { |
mbed_official | 348:3dfac0d3ce7b | 44 | return (((LPC_RTC->CTRL) & 0x80) != 0); |
mbed_official | 348:3dfac0d3ce7b | 45 | } |
mbed_official | 348:3dfac0d3ce7b | 46 | |
mbed_official | 348:3dfac0d3ce7b | 47 | time_t rtc_read(void) |
mbed_official | 348:3dfac0d3ce7b | 48 | { |
mbed_official | 348:3dfac0d3ce7b | 49 | return (time_t)LPC_RTC->COUNT; |
mbed_official | 348:3dfac0d3ce7b | 50 | } |
mbed_official | 348:3dfac0d3ce7b | 51 | |
mbed_official | 348:3dfac0d3ce7b | 52 | void rtc_write(time_t t) |
mbed_official | 348:3dfac0d3ce7b | 53 | { |
mbed_official | 348:3dfac0d3ce7b | 54 | // Disabled RTC |
mbed_official | 348:3dfac0d3ce7b | 55 | LPC_RTC->CTRL &= ~(1 << 7); |
mbed_official | 348:3dfac0d3ce7b | 56 | |
mbed_official | 348:3dfac0d3ce7b | 57 | // Set count |
mbed_official | 348:3dfac0d3ce7b | 58 | LPC_RTC->COUNT = t; |
mbed_official | 348:3dfac0d3ce7b | 59 | |
mbed_official | 348:3dfac0d3ce7b | 60 | //Enabled RTC |
mbed_official | 348:3dfac0d3ce7b | 61 | LPC_RTC->CTRL |= (1 << 7); |
mbed_official | 348:3dfac0d3ce7b | 62 | } |
mbed_official | 348:3dfac0d3ce7b | 63 | |
mbed_official | 348:3dfac0d3ce7b | 64 | #endif |