Diff: targets/TARGET_Realtek/TARGET_AMEBA/us_ticker.c

Revision:

182:57724642e740

Parent:

181:96ed750bd169

--- a/targets/TARGET_Realtek/TARGET_AMEBA/us_ticker.c	Wed Jan 17 15:23:54 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,121 +0,0 @@
-/* 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 <stddef.h>
-#include "us_ticker_api.h"
-#include "PeripheralNames.h"
-
-#define SYS_TIM_ID          1   // the G-Timer ID for System
-#define APP_TIM_ID          2   // the G-Timer ID for Application
-
-/*
- * For RTL8195AM, clock source is 32k
- *
- *   us per tick: 30.5
- *   tick per ms: 32.7
- *   tick per us: 0.032
- *   tick per sec: 32768
- *
- * Define the following macros to convert between TICK and US.
- */
-#define TICK_TO_US(x)       (uint64_t)(((x)/2) * 61 + ((x)%2) * TIMER_TICK_US)
-
-static int us_ticker_inited = 0;
-static TIMER_ADAPTER TimerAdapter;
-
-extern HAL_TIMER_OP HalTimerOp;
-extern HAL_TIMER_OP_EXT HalTimerOpExt;
-
-VOID _us_ticker_irq_handler(void *Data)
-{
-    us_ticker_irq_handler();
-}
-
-void us_ticker_init(void)
-{
-    if (us_ticker_inited) {
-        return;
-    }
-
-    us_ticker_inited = 1;
-
-    // Reload and restart sys-timer
-    HalTimerOp.HalTimerDis(SYS_TIM_ID);
-    HalTimerOpExt.HalTimerReLoad(SYS_TIM_ID, 0xFFFFFFFFUL);
-    HalTimerOp.HalTimerEn(SYS_TIM_ID);
-
-    // Initial a app-timer
-    TimerAdapter.IrqDis = 0;    // Enable Irq @ initial
-    TimerAdapter.IrqHandle.IrqFun = (IRQ_FUN) _us_ticker_irq_handler;
-    TimerAdapter.IrqHandle.IrqNum = TIMER2_7_IRQ;
-    TimerAdapter.IrqHandle.Priority = 10;
-    TimerAdapter.IrqHandle.Data = (u32)NULL;
-    TimerAdapter.TimerId = APP_TIM_ID;
-    TimerAdapter.TimerIrqPriority = 0;
-    TimerAdapter.TimerLoadValueUs = 0xFFFFFFFF;
-    TimerAdapter.TimerMode = USER_DEFINED;
-
-    HalTimerOp.HalTimerInit((void *) &TimerAdapter);
-}
-
-uint32_t us_ticker_read(void)
-{
-    uint32_t tick_cnt;
-
-    if (!us_ticker_inited) {
-        us_ticker_init();
-    }
-
-    tick_cnt = HalTimerOp.HalTimerReadCount(SYS_TIM_ID);
-    return (uint32_t)TICK_TO_US(0xFFFFFFFFUL - tick_cnt);
-}
-
-void us_ticker_set_interrupt(timestamp_t timestamp)
-{
-    uint32_t time_cur;
-
-    time_cur = us_ticker_read();
-    if (timestamp > time_cur + TIMER_TICK_US) {
-        TimerAdapter.TimerLoadValueUs = timestamp - time_cur;
-    } else {
-        TimerAdapter.TimerLoadValueUs = TIMER_TICK_US;
-    }
-
-    HalTimerOp.HalTimerDis((u32)TimerAdapter.TimerId);
-    HalTimerOpExt.HalTimerReLoad((u32)TimerAdapter.TimerId, TimerAdapter.TimerLoadValueUs);
-    HalTimerOpExt.HalTimerSync(SYS_TIM_ID);
-    HalTimerOp.HalTimerEn((u32)TimerAdapter.TimerId);
-}
-
-void us_ticker_fire_interrupt(void)
-{
-    TimerAdapter.TimerLoadValueUs = TIMER_TICK_US;
-
-    HalTimerOp.HalTimerDis((u32)TimerAdapter.TimerId);
-    HalTimerOpExt.HalTimerReLoad((u32)TimerAdapter.TimerId, TimerAdapter.TimerLoadValueUs);
-    HalTimerOpExt.HalTimerSync(SYS_TIM_ID);
-    HalTimerOp.HalTimerEn((u32)TimerAdapter.TimerId);
-}
-
-void us_ticker_disable_interrupt(void)
-{
-    HalTimerOp.HalTimerDis((u32)TimerAdapter.TimerId);
-}
-
-void us_ticker_clear_interrupt(void)
-{
-}