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Merge pull request #4312 from c1728p9/remove_systick 

BEETLE: Remove unused and conflicting systick
pull/4322/head
Martin Kojtal 2017-05-15 16:24:40 +01:00 committed by GitHub
parent 349315a207 f32be95c9d
commit cd84f17ac4
3 changed files with 0 additions and 147 deletions
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2
targets/TARGET_ARM_SSG/TARGET_BEETLE/device/cmsis.h
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@ -30,8 +30,6 @@
#include "apb_dualtimer.h"
/* APB Timer */
#include "apb_timer.h"
/* Cortex M3 SysTick Driver */
#include "systick_timer.h"
/* Flash Cache Driver */
#include "fcache_api.h"
/* Embedded Flash Driver */

94
targets/TARGET_ARM_SSG/TARGET_BEETLE/device/systick_timer.c
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@ -1,94 +0,0 @@
/*
* PackageLicenseDeclared: Apache-2.0
* Copyright (c) 2015 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 "cmsis.h"
#include "systick_timer.h"
volatile uint32_t MyTicks;
/* Private Data SysTick */
static uint32_t clock;
/*
* This Timer is written for MBED OS so the interrupt
* is used to keep track of the overflow.
*/
#define SYSTICK_MAX_RELOAD 0xFFFFFFFF
#define SYSTICK_DIVIDER_US (SystemCoreClock/1000000)
void SysTick_IRQ_Handler(void)
{
MyTicks++;
#if 0
printf("System Tick Interrupt: %u\n\r", MyTicks);
#endif
}
/*
* SysTick_Initialize(): Initializes the SysTick timer
*/
void SysTick_Initialize(void)
{
clock = SYSTICK_MAX_RELOAD;
#if 0
printf("\n\rEnable System Tick Interrupt...\n\r");
#endif
MyTicks=0;
/* SysTick Reload Value Register */
SysTick->LOAD = clock;
/*
* SysTick_CTRL_CLKSOURCE_Msk : Use core's clock
* SysTick_CTRL_ENABLE_Msk : Enable SysTick
* SysTick_CTRL_TICKINT_Msk : Active the SysTick interrupt on the NVIC
*/
SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk
| SysTick_CTRL_ENABLE_Msk
| SysTick_CTRL_TICKINT_Msk;
/* Register the Interrupt */
NVIC_SetVector(SysTick_IRQn, (uint32_t)SysTick_IRQ_Handler);
NVIC_EnableIRQ(SysTick_IRQn);
}
/*
* SysTick_Disable(): Disables the SysTick timer
*/
void SysTick_Disable(void)
{
/* Disable SysTick */
SysTick->CTRL = 0;
}
/*
* SysTick_Read(): Read SysTick Value
* @return: the SysTick VALUE
*/
uint32_t SysTick_Read(void)
{
return ((clock - (SysTick->VAL)) / SYSTICK_DIVIDER_US);
}
/*
* SysTick_Overflow(): Read SysTick Overflow Value
* @return: the SysTick Overflow VALUE
*/
uint32_t SysTick_Overflow(void)
{
return MyTicks;
}

51
targets/TARGET_ARM_SSG/TARGET_BEETLE/device/systick_timer.h
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@ -1,51 +0,0 @@
/*
* PackageLicenseDeclared: Apache-2.0
* Copyright (c) 2015 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.
*/
#ifndef _SYSTICK_TIMER_H
#define _SYSTICK_TIMER_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* SysTick_Initialize(): Initializes the SysTick timer
*/
void SysTick_Initialize(void);
/*
* SysTick_Disable(): Disables the SysTick timer
*/
void SysTick_Disable(void);
/*
* SysTick_Read(): Read SysTick Value
* @return: the SysTick VALUE
*/
uint32_t SysTick_Read(void);
/*
* SysTick_Overflow(): Read SysTick Overflow Value
* @return: the SysTick Overflow VALUE
*/
uint32_t SysTick_Overflow(void);
#ifdef __cplusplus
}
#endif
#endif /* _SYSTICK_TIMER_H */