diff options
Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC15XX/rtc_api.c')
-rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC15XX/rtc_api.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC15XX/rtc_api.c b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC15XX/rtc_api.c new file mode 100644 index 0000000000..120652672c --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC15XX/rtc_api.c @@ -0,0 +1,64 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "rtc_api.h" + +#if DEVICE_RTC + +void rtc_init(void) +{ + // Enables clock for RTC + LPC_SYSCON->SYSAHBCLKCTRL0 |= (1 << 23); + + // Software reset + LPC_RTC->CTRL |= 1; + + LPC_RTC->COUNT = 0; + + // Enabled RTC + LPC_RTC->CTRL |= (1 << 7); + // clear reset + LPC_RTC->CTRL &= ~1; +} + +void rtc_free(void) +{ + LPC_SYSCON->SYSAHBCLKCTRL0 &= ~(1 << 23); + LPC_RTC->CTRL &= ~(1 << 7); +} + +int rtc_isenabled(void) +{ + return (((LPC_RTC->CTRL) & 0x80) != 0); +} + +time_t rtc_read(void) +{ + return (time_t)LPC_RTC->COUNT; +} + +void rtc_write(time_t t) +{ + // Disabled RTC + LPC_RTC->CTRL &= ~(1 << 7); + + // Set count + LPC_RTC->COUNT = t; + + //Enabled RTC + LPC_RTC->CTRL |= (1 << 7); +} + +#endif |