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Diff: targets/TARGET_WIZNET/TARGET_W7500x/rtc_api.c
- Revision:
- 149:156823d33999
- Parent:
- 144:ef7eb2e8f9f7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/TARGET_WIZNET/TARGET_W7500x/rtc_api.c Fri Oct 28 11:17:30 2016 +0100 @@ -0,0 +1,81 @@ +/* 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" +#include "cmsis.h" +#include "W7500x_pwm.h" + +time_t wiz_rtc_time; +char rtc_enabled = 0; + +#ifdef __cplusplus +extern "C"{ +#endif +void PWM3_Handler(void) +{ + + wiz_rtc_time++; + PWM_CH3_ClearOverflowInt(); + +} +#ifdef __cplusplus +} +#endif + + + +void rtc_init(void) { + PWM_TimerModeInitTypeDef TimerModeStructure; + *(volatile uint32_t *)(0x410010e0) = 0x03; + + /* Timer mode configuration */ + TimerModeStructure.PWM_CHn_PR = 7; + TimerModeStructure.PWM_CHn_MR = 1; + TimerModeStructure.PWM_CHn_LR = 0xF4240; + TimerModeStructure.PWM_CHn_UDMR = PWM_CHn_UDMR_UpCount; + TimerModeStructure.PWM_CHn_PDMR = PWM_CHn_PDMR_Periodic; + + PWM_TimerModeInit(PWM_CH3, &TimerModeStructure); + + /* PWM interrupt configuration */ + PWM_IntConfig(PWM_CH3, ENABLE); + PWM_CHn_IntConfig(PWM_CH3, PWM_CHn_IER_OIE, ENABLE); + + /* PWM channel 0 start */ + PWM_CHn_Start(PWM_CH3); + NVIC_SetVector(PWM3_IRQn, (uint32_t)PWM3_Handler); + NVIC_EnableIRQ(PWM3_IRQn); + rtc_enabled = 1; +} + +void rtc_free(void) { + // [TODO] +} + + +int rtc_isenabled(void) { + return rtc_enabled; +} + + +time_t rtc_read(void) { + return wiz_rtc_time; +} + +void rtc_write(time_t t) { + //*(volatile uint32_t *)(0x41001008) = 0x42; // timer disable, interrupt disable + wiz_rtc_time = t; + //*(volatile uint32_t *)(0x41001008) = 0x72; // timer enable interrupt enable +}