Last change
on this file since 374 was 374, checked in by coas-nagasima, 5 years ago |
mbed関連を更新
シリアルドライバをmbedのHALを使うよう変更
ファイルディスクリプタの処理を更新
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[374] | 1 | /* mbed Microcontroller Library
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| 2 | * Copyright (c) 2006-2017 ARM Limited
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 |
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| 17 | #include "mbed_drv_cfg.h"
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| 18 |
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| 19 | #if (defined(FUMC_MTU2_PWM) || defined(DEVICE_LPTICKER))
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| 20 | #include "mtu2.h"
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| 21 |
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| 22 | static int mtu2_used_cnt = 0;
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| 23 |
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| 24 | void mtu2_init(void)
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| 25 | {
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| 26 | if (mtu2_used_cnt == 0) {
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| 27 | CPGSTBCR3 &= ~(CPG_STBCR3_BIT_MSTP33);
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| 28 | }
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| 29 | if (mtu2_used_cnt < 256) {
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| 30 | mtu2_used_cnt++;
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| 31 | }
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| 32 | }
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| 33 |
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| 34 | void mtu2_free(void)
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| 35 | {
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| 36 | if (mtu2_used_cnt > 0) {
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| 37 | mtu2_used_cnt--;
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| 38 | }
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| 39 | if (mtu2_used_cnt == 0) {
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| 40 | CPGSTBCR3 |= (CPG_STBCR3_BIT_MSTP33);
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| 41 | }
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| 42 | }
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| 43 | #endif
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