mirror of https://github.com/ARMmbed/mbed-os.git
82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
/* 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
|
|
}
|