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| 2 | mjames | 1 | /* |
| 2 | * Copyright (c) 2013-2017 ARM Limited. All rights reserved. |
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| 3 | * |
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| 4 | * SPDX-License-Identifier: Apache-2.0 |
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| 5 | * |
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| 6 | * Licensed under the Apache License, Version 2.0 (the License); you may |
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| 7 | * not use this file except in compliance with the License. |
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| 8 | * You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, software |
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| 13 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
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| 14 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 15 | * See the License for the specific language governing permissions and |
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| 16 | * limitations under the License. |
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| 17 | * |
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| 18 | * ---------------------------------------------------------------------- |
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| 19 | * |
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| 20 | * $Date: 10. January 2017 |
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| 21 | * $Revision: V1.2 |
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| 22 | * |
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| 23 | * Project: CMSIS-RTOS API V1 |
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| 24 | * Title: cmsis_os_v1.c V1 module file |
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| 25 | *---------------------------------------------------------------------------*/ |
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| 26 | |||
| 27 | #include <string.h> |
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| 28 | #include "cmsis_os.h" |
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| 29 | |||
| 30 | #if (osCMSIS >= 0x20000U) |
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| 31 | |||
| 32 | |||
| 33 | // Thread |
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| 34 | osThreadId osThreadCreate (const osThreadDef_t *thread_def, void *argument) { |
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| 35 | |||
| 36 | if (thread_def == NULL) { |
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| 37 | return (osThreadId)NULL; |
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| 38 | } |
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| 39 | return osThreadNew((osThreadFunc_t)thread_def->pthread, argument, &thread_def->attr); |
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| 40 | } |
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| 41 | |||
| 42 | |||
| 43 | // Signals |
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| 44 | |||
| 45 | #define SignalMask ((1U<<osFeature_Signals)-1U) |
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| 46 | |||
| 47 | int32_t osSignalSet (osThreadId thread_id, int32_t signals) { |
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| 48 | uint32_t flags; |
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| 49 | |||
| 50 | flags = osThreadFlagsSet(thread_id, (uint32_t)signals); |
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| 51 | if ((flags & 0x80000000U) != 0U) { |
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| 52 | return ((int32_t)0x80000000U); |
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| 53 | } |
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| 54 | return ((int32_t)(flags & ~((uint32_t)signals))); |
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| 55 | } |
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| 56 | |||
| 57 | int32_t osSignalClear (osThreadId thread_id, int32_t signals) { |
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| 58 | uint32_t flags; |
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| 59 | |||
| 60 | if (thread_id != osThreadGetId()) { |
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| 61 | return ((int32_t)0x80000000U); |
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| 62 | } |
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| 63 | flags = osThreadFlagsClear((uint32_t)signals); |
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| 64 | if ((flags & 0x80000000U) != 0U) { |
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| 65 | return ((int32_t)0x80000000U); |
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| 66 | } |
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| 67 | return ((int32_t)flags); |
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| 68 | } |
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| 69 | |||
| 70 | osEvent osSignalWait (int32_t signals, uint32_t millisec) { |
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| 71 | osEvent event; |
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| 72 | uint32_t flags; |
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| 73 | |||
| 74 | if (signals != 0) { |
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| 75 | flags = osThreadFlagsWait((uint32_t)signals, osFlagsWaitAll, millisec); |
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| 76 | } else { |
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| 77 | flags = osThreadFlagsWait(SignalMask, osFlagsWaitAny, millisec); |
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| 78 | } |
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| 79 | if ((flags > 0U) && (flags < 0x80000000U)) { |
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| 80 | event.status = osEventSignal; |
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| 81 | event.value.signals = (int32_t)flags; |
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| 82 | } else { |
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| 83 | switch ((int32_t)flags) { |
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| 84 | case osErrorResource: |
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| 85 | event.status = osOK; |
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| 86 | break; |
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| 87 | case osErrorTimeout: |
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| 88 | event.status = osEventTimeout; |
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| 89 | break; |
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| 90 | case osErrorParameter: |
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| 91 | event.status = osErrorValue; |
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| 92 | break; |
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| 93 | default: |
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| 94 | event.status = (osStatus)flags; |
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| 95 | break; |
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| 96 | } |
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| 97 | } |
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| 98 | return event; |
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| 99 | } |
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| 100 | |||
| 101 | |||
| 102 | // Timer |
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| 103 | osTimerId osTimerCreate (const osTimerDef_t *timer_def, os_timer_type type, void *argument) { |
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| 104 | |||
| 105 | if (timer_def == NULL) { |
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| 106 | return (osTimerId)NULL; |
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| 107 | } |
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| 108 | return osTimerNew((osTimerFunc_t)timer_def->ptimer, type, argument, &timer_def->attr); |
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| 109 | } |
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| 110 | |||
| 111 | |||
| 112 | // Mutex |
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| 113 | osMutexId osMutexCreate (const osMutexDef_t *mutex_def) { |
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| 114 | |||
| 115 | if (mutex_def == NULL) { |
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| 116 | return (osMutexId)NULL; |
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| 117 | } |
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| 118 | return osMutexNew(mutex_def); |
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| 119 | } |
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| 120 | |||
| 121 | |||
| 122 | // Semaphore |
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| 123 | |||
| 124 | #if (defined (osFeature_Semaphore) && (osFeature_Semaphore != 0U)) |
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| 125 | |||
| 126 | osSemaphoreId osSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count) { |
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| 127 | |||
| 128 | if (semaphore_def == NULL) { |
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| 129 | return (osSemaphoreId)NULL; |
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| 130 | } |
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| 131 | return osSemaphoreNew((uint32_t)count, (uint32_t)count, semaphore_def); |
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| 132 | } |
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| 133 | |||
| 134 | int32_t osSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec) { |
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| 135 | osStatus_t status; |
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| 136 | uint32_t count; |
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| 137 | |||
| 138 | status = osSemaphoreAcquire(semaphore_id, millisec); |
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| 139 | switch (status) { |
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| 140 | case osOK: |
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| 141 | count = osSemaphoreGetCount(semaphore_id); |
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| 142 | return ((int32_t)count + 1); |
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| 143 | case osErrorResource: |
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| 144 | case osErrorTimeout: |
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| 145 | return 0; |
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| 146 | default: |
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| 147 | break; |
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| 148 | } |
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| 149 | return -1; |
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| 150 | } |
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| 151 | |||
| 152 | #endif // Semaphore |
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| 153 | |||
| 154 | |||
| 155 | // Memory Pool |
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| 156 | |||
| 157 | #if (defined(osFeature_Pool) && (osFeature_Pool != 0)) |
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| 158 | |||
| 159 | osPoolId osPoolCreate (const osPoolDef_t *pool_def) { |
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| 160 | |||
| 161 | if (pool_def == NULL) { |
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| 162 | return (osPoolId)NULL; |
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| 163 | } |
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| 164 | return ((osPoolId)(osMemoryPoolNew(pool_def->pool_sz, pool_def->item_sz, &pool_def->attr))); |
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| 165 | } |
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| 166 | |||
| 167 | void *osPoolAlloc (osPoolId pool_id) { |
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| 168 | return osMemoryPoolAlloc((osMemoryPoolId_t)pool_id, 0U); |
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| 169 | } |
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| 170 | |||
| 171 | void *osPoolCAlloc (osPoolId pool_id) { |
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| 172 | void *block; |
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| 173 | uint32_t block_size; |
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| 174 | |||
| 175 | block_size = osMemoryPoolGetBlockSize((osMemoryPoolId_t)pool_id); |
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| 176 | if (block_size == 0U) { |
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| 177 | return NULL; |
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| 178 | } |
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| 179 | block = osMemoryPoolAlloc((osMemoryPoolId_t)pool_id, 0U); |
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| 180 | if (block != NULL) { |
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| 181 | memset(block, 0, block_size); |
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| 182 | } |
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| 183 | return block; |
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| 184 | } |
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| 185 | |||
| 186 | osStatus osPoolFree (osPoolId pool_id, void *block) { |
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| 187 | return osMemoryPoolFree((osMemoryPoolId_t)pool_id, block); |
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| 188 | } |
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| 189 | |||
| 190 | #endif // Memory Pool |
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| 191 | |||
| 192 | |||
| 193 | // Message Queue |
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| 194 | |||
| 195 | #if (defined(osFeature_MessageQ) && (osFeature_MessageQ != 0)) |
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| 196 | |||
| 197 | osMessageQId osMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id) { |
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| 198 | (void)thread_id; |
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| 199 | |||
| 200 | if (queue_def == NULL) { |
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| 201 | return (osMessageQId)NULL; |
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| 202 | } |
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| 203 | return ((osMessageQId)(osMessageQueueNew(queue_def->queue_sz, sizeof(uint32_t), &queue_def->attr))); |
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| 204 | } |
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| 205 | |||
| 206 | osStatus osMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) { |
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| 207 | return osMessageQueuePut((osMessageQueueId_t)queue_id, &info, 0U, millisec); |
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| 208 | } |
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| 209 | |||
| 210 | osEvent osMessageGet (osMessageQId queue_id, uint32_t millisec) { |
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| 211 | osStatus_t status; |
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| 212 | osEvent event; |
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| 213 | uint32_t message; |
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| 214 | |||
| 215 | status = osMessageQueueGet((osMessageQueueId_t)queue_id, &message, NULL, millisec); |
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| 216 | switch (status) { |
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| 217 | case osOK: |
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| 218 | event.status = osEventMessage; |
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| 219 | event.value.v = message; |
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| 220 | break; |
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| 221 | case osErrorResource: |
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| 222 | event.status = osOK; |
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| 223 | break; |
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| 224 | case osErrorTimeout: |
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| 225 | event.status = osEventTimeout; |
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| 226 | break; |
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| 227 | default: |
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| 228 | event.status = status; |
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| 229 | break; |
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| 230 | } |
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| 231 | return event; |
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| 232 | } |
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| 233 | |||
| 234 | #endif // Message Queue |
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| 235 | |||
| 236 | |||
| 237 | // Mail Queue |
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| 238 | |||
| 239 | #if (defined(osFeature_MailQ) && (osFeature_MailQ != 0)) |
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| 240 | |||
| 241 | typedef struct os_mail_queue_s { |
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| 242 | osMemoryPoolId_t mp_id; |
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| 243 | osMessageQueueId_t mq_id; |
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| 244 | } os_mail_queue_t; |
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| 245 | |||
| 246 | osMailQId osMailCreate (const osMailQDef_t *queue_def, osThreadId thread_id) { |
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| 247 | os_mail_queue_t *ptr; |
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| 248 | (void)thread_id; |
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| 249 | |||
| 250 | if (queue_def == NULL) { |
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| 251 | return (osMailQId)NULL; |
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| 252 | } |
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| 253 | |||
| 254 | ptr = queue_def->mail; |
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| 255 | if (ptr == NULL) { |
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| 256 | return (osMailQId)NULL; |
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| 257 | } |
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| 258 | |||
| 259 | ptr->mp_id = osMemoryPoolNew (queue_def->queue_sz, queue_def->item_sz, &queue_def->mp_attr); |
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| 260 | ptr->mq_id = osMessageQueueNew(queue_def->queue_sz, sizeof(void *), &queue_def->mq_attr); |
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| 261 | if ((ptr->mp_id == (osMemoryPoolId_t)NULL) || (ptr->mq_id == (osMessageQueueId_t)NULL)) { |
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| 262 | if (ptr->mp_id != (osMemoryPoolId_t)NULL) { |
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| 263 | osMemoryPoolDelete(ptr->mp_id); |
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| 264 | } |
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| 265 | if (ptr->mq_id != (osMessageQueueId_t)NULL) { |
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| 266 | osMessageQueueDelete(ptr->mq_id); |
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| 267 | } |
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| 268 | return (osMailQId)NULL; |
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| 269 | } |
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| 270 | |||
| 271 | return (osMailQId)ptr; |
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| 272 | } |
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| 273 | |||
| 274 | void *osMailAlloc (osMailQId queue_id, uint32_t millisec) { |
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| 275 | os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id; |
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| 276 | |||
| 277 | if (ptr == NULL) { |
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| 278 | return NULL; |
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| 279 | } |
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| 280 | return osMemoryPoolAlloc(ptr->mp_id, millisec); |
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| 281 | } |
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| 282 | |||
| 283 | void *osMailCAlloc (osMailQId queue_id, uint32_t millisec) { |
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| 284 | os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id; |
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| 285 | void *block; |
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| 286 | uint32_t block_size; |
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| 287 | |||
| 288 | if (ptr == NULL) { |
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| 289 | return NULL; |
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| 290 | } |
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| 291 | block_size = osMemoryPoolGetBlockSize(ptr->mp_id); |
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| 292 | if (block_size == 0U) { |
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| 293 | return NULL; |
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| 294 | } |
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| 295 | block = osMemoryPoolAlloc(ptr->mp_id, millisec); |
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| 296 | if (block != NULL) { |
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| 297 | memset(block, 0, block_size); |
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| 298 | } |
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| 299 | |||
| 300 | return block; |
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| 301 | |||
| 302 | } |
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| 303 | |||
| 304 | osStatus osMailPut (osMailQId queue_id, const void *mail) { |
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| 305 | os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id; |
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| 306 | |||
| 307 | if (ptr == NULL) { |
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| 308 | return osErrorParameter; |
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| 309 | } |
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| 310 | if (mail == NULL) { |
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| 311 | return osErrorValue; |
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| 312 | } |
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| 313 | return osMessageQueuePut(ptr->mq_id, &mail, 0U, 0U); |
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| 314 | } |
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| 315 | |||
| 316 | osEvent osMailGet (osMailQId queue_id, uint32_t millisec) { |
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| 317 | os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id; |
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| 318 | osStatus_t status; |
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| 319 | osEvent event; |
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| 320 | void *mail; |
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| 321 | |||
| 322 | if (ptr == NULL) { |
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| 323 | event.status = osErrorParameter; |
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| 324 | return event; |
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| 325 | } |
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| 326 | |||
| 327 | status = osMessageQueueGet(ptr->mq_id, &mail, NULL, millisec); |
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| 328 | switch (status) { |
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| 329 | case osOK: |
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| 330 | event.status = osEventMail; |
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| 331 | event.value.p = mail; |
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| 332 | break; |
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| 333 | case osErrorResource: |
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| 334 | event.status = osOK; |
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| 335 | break; |
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| 336 | case osErrorTimeout: |
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| 337 | event.status = osEventTimeout; |
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| 338 | break; |
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| 339 | default: |
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| 340 | event.status = status; |
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| 341 | break; |
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| 342 | } |
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| 343 | return event; |
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| 344 | } |
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| 345 | |||
| 346 | osStatus osMailFree (osMailQId queue_id, void *mail) { |
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| 347 | os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id; |
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| 348 | |||
| 349 | if (ptr == NULL) { |
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| 350 | return osErrorParameter; |
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| 351 | } |
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| 352 | if (mail == NULL) { |
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| 353 | return osErrorValue; |
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| 354 | } |
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| 355 | return osMemoryPoolFree(ptr->mp_id, mail); |
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| 356 | } |
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| 357 | |||
| 358 | #endif // Mail Queue |
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| 359 | |||
| 360 | |||
| 361 | #endif // osCMSIS |