mirror of https://github.com/ARMmbed/mbed-os.git
152 lines
3.9 KiB
C
152 lines
3.9 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2013-2016 Realtek Semiconductor Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "objects.h"
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#include "timer_api.h"
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#if CONFIG_TIMER_EN
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extern HAL_TIMER_OP HalTimerOp;
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extern HAL_Status HalTimerInitRtl8195a_Patch(
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IN VOID *Data
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);
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static void gtimer_timeout_handler (uint32_t tid)
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{
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gtimer_t *obj = (gtimer_t *)tid;
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gtimer_irq_handler handler;
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u8 timer_id = obj->hal_gtimer_adp.TimerId;
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if (obj->handler != NULL) {
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handler = (gtimer_irq_handler)obj->handler;
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handler(obj->hid);
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}
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if (!obj->is_periodcal) {
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gtimer_stop(obj);
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}
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if(timer_id < 2) {
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// Timer0 | Timer1: clear ISR here
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// Timer 2~7 ISR will be cleared in HAL
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HalTimerClearIsr(timer_id);
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}
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}
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void gtimer_init (gtimer_t *obj, uint32_t tid)
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{
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PTIMER_ADAPTER pTimerAdapter = &(obj->hal_gtimer_adp);
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if ((tid == 1) || (tid == 6) || (tid == 7)) {
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DBG_TIMER_ERR("gtimer_init: This timer is reserved for HAL driver\r\n", tid);
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return;
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}
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if (tid > GTIMER_MAX) {
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DBG_TIMER_ERR("gtimer_init: Invalid TimerId=%d\r\n", tid);
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return;
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}
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pTimerAdapter->IrqDis = 0; // Enable Irq @ initial
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pTimerAdapter->IrqHandle.IrqFun = (IRQ_FUN) gtimer_timeout_handler;
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if(tid == 0) {
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pTimerAdapter->IrqHandle.IrqNum = TIMER0_IRQ;
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} else if(tid == 1) {
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pTimerAdapter->IrqHandle.IrqNum = TIMER1_IRQ;
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} else {
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pTimerAdapter->IrqHandle.IrqNum = TIMER2_7_IRQ;
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}
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pTimerAdapter->IrqHandle.Priority = 0;
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pTimerAdapter->IrqHandle.Data = (u32)obj;
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pTimerAdapter->TimerId = (u8)tid;
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pTimerAdapter->TimerIrqPriority = 0;
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pTimerAdapter->TimerLoadValueUs = 0xFFFFFFFF; // Just a whatever value
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pTimerAdapter->TimerMode = USER_DEFINED;
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HalTimerInit ((VOID*) pTimerAdapter);
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}
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void gtimer_deinit (gtimer_t *obj)
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{
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PTIMER_ADAPTER pTimerAdapter = &(obj->hal_gtimer_adp);
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HalTimerDeInit((void*)pTimerAdapter);
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}
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uint32_t gtimer_read_tick (gtimer_t *obj)
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{
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PTIMER_ADAPTER pTimerAdapter = &obj->hal_gtimer_adp;
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return (HalTimerOp.HalTimerReadCount(pTimerAdapter->TimerId));
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}
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uint64_t gtimer_read_us (gtimer_t *obj)
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{
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uint64_t time_us;
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time_us = gtimer_read_tick(obj)*1000000/32768;
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return (time_us);
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}
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void gtimer_reload (gtimer_t *obj, uint32_t duration_us)
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{
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PTIMER_ADAPTER pTimerAdapter = &obj->hal_gtimer_adp;
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HalTimerReLoad(pTimerAdapter->TimerId, duration_us);
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}
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void gtimer_start (gtimer_t *obj)
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{
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PTIMER_ADAPTER pTimerAdapter = &obj->hal_gtimer_adp;
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u8 TimerId = pTimerAdapter->TimerId;
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HalTimerEnable(TimerId);
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}
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void gtimer_start_one_shout (gtimer_t *obj, uint32_t duration_us, void* handler, uint32_t hid)
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{
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obj->is_periodcal = _FALSE;
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obj->handler = handler;
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obj->hid = hid;
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gtimer_reload(obj, duration_us);
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gtimer_start(obj);
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}
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void gtimer_start_periodical (gtimer_t *obj, uint32_t duration_us, void* handler, uint32_t hid)
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{
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obj->is_periodcal = _TRUE;
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obj->handler = handler;
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obj->hid = hid;
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if (duration_us > GTIMER_TICK_US) {
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// reload will takes extra 1 tick
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duration_us -= GTIMER_TICK_US;
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}
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gtimer_reload(obj, duration_us);
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gtimer_start(obj);
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}
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void gtimer_stop (gtimer_t *obj)
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{
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PTIMER_ADAPTER pTimerAdapter = &obj->hal_gtimer_adp;
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HalTimerDisable(pTimerAdapter->TimerId);
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}
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#endif // end of "#if CONFIG_TIMER_EN"
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