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targets/TARGET_WIZNET/TARGET_W7500x/rtc_api.c
- Committer:
- <>
- Date:
- 2016-10-28
- Revision:
- 149:156823d33999
- Parent:
- targets/hal/TARGET_WIZNET/TARGET_W7500x/rtc_api.c@ 144:ef7eb2e8f9f7
File content as of revision 149:156823d33999:
/* 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 }