pinebuds/rtos/rtx5/rtx_delay.c

102 lines
2.6 KiB
C
Raw Normal View History

2022-08-15 04:20:27 -05:00
/*
* Copyright (c) 2013-2019 Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* 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
*
* 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.
*
* -----------------------------------------------------------------------------
*
* Project: CMSIS-RTOS RTX
* Title: Delay functions
*
* -----------------------------------------------------------------------------
*/
#include "rtx_lib.h"
// ==== Service Calls ====
/// Wait for Timeout (Time Delay).
/// \note API identical to osDelay
static osStatus_t svcRtxDelay (uint32_t ticks) {
if (ticks != 0U) {
if (osRtxThreadWaitEnter(osRtxThreadWaitingDelay, ticks)) {
EvrRtxDelayStarted(ticks);
} else {
EvrRtxDelayCompleted(osRtxThreadGetRunning());
}
}
return osOK;
}
/// Wait until specified time.
/// \note API identical to osDelayUntil
static osStatus_t svcRtxDelayUntil (uint32_t ticks) {
ticks -= osRtxInfo.kernel.tick;
if ((ticks == 0U) || (ticks > 0x7FFFFFFFU)) {
EvrRtxDelayError((int32_t)osErrorParameter);
//lint -e{904} "Return statement before end of function" [MISRA Note 1]
return osErrorParameter;
}
if (osRtxThreadWaitEnter(osRtxThreadWaitingDelay, ticks)) {
EvrRtxDelayUntilStarted(ticks);
} else {
EvrRtxDelayCompleted(osRtxThreadGetRunning());
}
return osOK;
}
// Service Calls definitions
//lint ++flb "Library Begin" [MISRA Note 11]
SVC0_1(Delay, osStatus_t, uint32_t)
SVC0_1(DelayUntil, osStatus_t, uint32_t)
//lint --flb "Library End"
// ==== Public API ====
/// Wait for Timeout (Time Delay).
osStatus_t osDelay (uint32_t ticks) {
osStatus_t status;
EvrRtxDelay(ticks);
if (IsIrqMode() || IsIrqMasked()) {
EvrRtxDelayError((int32_t)osErrorISR);
status = osErrorISR;
} else {
status = __svcDelay(ticks);
}
return status;
}
/// Wait until specified time.
osStatus_t osDelayUntil (uint32_t ticks) {
osStatus_t status;
EvrRtxDelayUntil(ticks);
if (IsIrqMode() || IsIrqMasked()) {
EvrRtxDelayError((int32_t)osErrorISR);
status = osErrorISR;
} else {
status = __svcDelayUntil(ticks);
}
return status;
}