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targets/TARGET_Realtek/TARGET_AMEBA/timer_api.c
- Committer:
- AnnaBridge
- Date:
- 2017-11-08
- Revision:
- 178:d650f5d4c87a
- Parent:
- 168:e84263d55307
File content as of revision 178:d650f5d4c87a:
/* mbed Microcontroller Library * Copyright (c) 2013-2016 Realtek Semiconductor Corp. * * 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 "objects.h" #include "timer_api.h" #if CONFIG_TIMER_EN extern HAL_TIMER_OP HalTimerOp; extern HAL_Status HalTimerInitRtl8195a_Patch( IN VOID *Data ); static void gtimer_timeout_handler (uint32_t tid) { gtimer_t *obj = (gtimer_t *)tid; gtimer_irq_handler handler; u8 timer_id = obj->hal_gtimer_adp.TimerId; if (obj->handler != NULL) { handler = (gtimer_irq_handler)obj->handler; handler(obj->hid); } if (!obj->is_periodcal) { gtimer_stop(obj); } if(timer_id < 2) { // Timer0 | Timer1: clear ISR here // Timer 2~7 ISR will be cleared in HAL HalTimerClearIsr(timer_id); } } void gtimer_init (gtimer_t *obj, uint32_t tid) { PTIMER_ADAPTER pTimerAdapter = &(obj->hal_gtimer_adp); if ((tid == 1) || (tid == 6) || (tid == 7)) { DBG_TIMER_ERR("gtimer_init: This timer is reserved for HAL driver\r\n", tid); return; } if (tid > GTIMER_MAX) { DBG_TIMER_ERR("gtimer_init: Invalid TimerId=%d\r\n", tid); return; } pTimerAdapter->IrqDis = 0; // Enable Irq @ initial pTimerAdapter->IrqHandle.IrqFun = (IRQ_FUN) gtimer_timeout_handler; if(tid == 0) { pTimerAdapter->IrqHandle.IrqNum = TIMER0_IRQ; } else if(tid == 1) { pTimerAdapter->IrqHandle.IrqNum = TIMER1_IRQ; } else { pTimerAdapter->IrqHandle.IrqNum = TIMER2_7_IRQ; } pTimerAdapter->IrqHandle.Priority = 0; pTimerAdapter->IrqHandle.Data = (u32)obj; pTimerAdapter->TimerId = (u8)tid; pTimerAdapter->TimerIrqPriority = 0; pTimerAdapter->TimerLoadValueUs = 0xFFFFFFFF; // Just a whatever value pTimerAdapter->TimerMode = USER_DEFINED; HalTimerInit ((VOID*) pTimerAdapter); } void gtimer_deinit (gtimer_t *obj) { PTIMER_ADAPTER pTimerAdapter = &(obj->hal_gtimer_adp); HalTimerDeInit((void*)pTimerAdapter); } uint32_t gtimer_read_tick (gtimer_t *obj) { PTIMER_ADAPTER pTimerAdapter = &obj->hal_gtimer_adp; return (HalTimerOp.HalTimerReadCount(pTimerAdapter->TimerId)); } uint64_t gtimer_read_us (gtimer_t *obj) { uint64_t time_us; time_us = gtimer_read_tick(obj)*1000000/32768; return (time_us); } void gtimer_reload (gtimer_t *obj, uint32_t duration_us) { PTIMER_ADAPTER pTimerAdapter = &obj->hal_gtimer_adp; HalTimerReLoad(pTimerAdapter->TimerId, duration_us); } void gtimer_start (gtimer_t *obj) { PTIMER_ADAPTER pTimerAdapter = &obj->hal_gtimer_adp; u8 TimerId = pTimerAdapter->TimerId; HalTimerEnable(TimerId); } void gtimer_start_one_shout (gtimer_t *obj, uint32_t duration_us, void* handler, uint32_t hid) { obj->is_periodcal = _FALSE; obj->handler = handler; obj->hid = hid; gtimer_reload(obj, duration_us); gtimer_start(obj); } void gtimer_start_periodical (gtimer_t *obj, uint32_t duration_us, void* handler, uint32_t hid) { obj->is_periodcal = _TRUE; obj->handler = handler; obj->hid = hid; if (duration_us > GTIMER_TICK_US) { // reload will takes extra 1 tick duration_us -= GTIMER_TICK_US; } gtimer_reload(obj, duration_us); gtimer_start(obj); } void gtimer_stop (gtimer_t *obj) { PTIMER_ADAPTER pTimerAdapter = &obj->hal_gtimer_adp; HalTimerDisable(pTimerAdapter->TimerId); } #endif // end of "#if CONFIG_TIMER_EN"