mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_RENESAS/TARGET_RZ_A1XX/mtu2.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
187:0387e8f68319 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 187:0387e8f68319 1 /* mbed Microcontroller Library
AnnaBridge 187:0387e8f68319 2 * Copyright (c) 2006-2017 ARM Limited
AnnaBridge 187:0387e8f68319 3 *
AnnaBridge 187:0387e8f68319 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 187:0387e8f68319 5 * you may not use this file except in compliance with the License.
AnnaBridge 187:0387e8f68319 6 * You may obtain a copy of the License at
AnnaBridge 187:0387e8f68319 7 *
AnnaBridge 187:0387e8f68319 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 187:0387e8f68319 9 *
AnnaBridge 187:0387e8f68319 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 187:0387e8f68319 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 187:0387e8f68319 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 187:0387e8f68319 13 * See the License for the specific language governing permissions and
AnnaBridge 187:0387e8f68319 14 * limitations under the License.
AnnaBridge 187:0387e8f68319 15 */
AnnaBridge 187:0387e8f68319 16
AnnaBridge 187:0387e8f68319 17 #include "mbed_drv_cfg.h"
AnnaBridge 187:0387e8f68319 18
AnnaBridge 187:0387e8f68319 19 #if (defined(FUMC_MTU2_PWM) || defined(DEVICE_LPTICKER))
AnnaBridge 187:0387e8f68319 20 #include "mtu2.h"
AnnaBridge 187:0387e8f68319 21
AnnaBridge 187:0387e8f68319 22 static int mtu2_used_cnt = 0;
AnnaBridge 187:0387e8f68319 23
AnnaBridge 187:0387e8f68319 24 void mtu2_init(void)
AnnaBridge 187:0387e8f68319 25 {
AnnaBridge 187:0387e8f68319 26 if (mtu2_used_cnt == 0) {
AnnaBridge 187:0387e8f68319 27 CPGSTBCR3 &= ~(CPG_STBCR3_BIT_MSTP33);
AnnaBridge 187:0387e8f68319 28 }
AnnaBridge 187:0387e8f68319 29 if (mtu2_used_cnt < 256) {
AnnaBridge 187:0387e8f68319 30 mtu2_used_cnt++;
AnnaBridge 187:0387e8f68319 31 }
AnnaBridge 187:0387e8f68319 32 }
AnnaBridge 187:0387e8f68319 33
AnnaBridge 187:0387e8f68319 34 void mtu2_free(void)
AnnaBridge 187:0387e8f68319 35 {
AnnaBridge 187:0387e8f68319 36 if (mtu2_used_cnt > 0) {
AnnaBridge 187:0387e8f68319 37 mtu2_used_cnt--;
AnnaBridge 187:0387e8f68319 38 }
AnnaBridge 187:0387e8f68319 39 if (mtu2_used_cnt == 0) {
AnnaBridge 187:0387e8f68319 40 CPGSTBCR3 |= (CPG_STBCR3_BIT_MSTP33);
AnnaBridge 187:0387e8f68319 41 }
AnnaBridge 187:0387e8f68319 42 }
AnnaBridge 187:0387e8f68319 43 #endif