38be55301f
Gregory Nutt is the copyright holder for those files and he has submitted the SGA as a result we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/****************************************************************************
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* boards/arm/tiva/tm4c123g-launchpad/src/tm4c_timer.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <debug.h>
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#include "tiva_timer.h"
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#include "tm4c123g-launchpad.h"
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#ifdef CONFIG_TIVA_TIMER
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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#ifndef CONFIG_TIVA_TIMER32_PERIODIC
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# error CONFIG_TIVA_TIMER32_PERIODIC is not defined
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: tiva_timer_configure
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*
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* Description:
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* Configure the timer driver for the timer example application.
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*
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****************************************************************************/
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int tiva_timer_configure(void)
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{
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static bool initialized = false;
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int ret = OK;
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/* Check if we have already initialized */
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if (!initialized)
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{
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struct tiva_gptm32config_s timer_config;
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timer_config.cmn.gptm = 0;
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timer_config.cmn.mode = TIMER32_MODE_PERIODIC;
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timer_config.cmn.alternate = false;
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timer_config.config.flags = TIMER_FLAG_COUNTUP;
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timer_config.config.handler = 0;
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timer_config.config.arg = 0;
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ret = tiva_timer_initialize(CONFIG_EXAMPLES_TIMER_DEVNAME,
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&timer_config);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: Failed to register timer driver: %d\n",
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ret);
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}
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/* now we are initialized */
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initialized = true;
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}
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return ret;
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}
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#endif /* CONFIG_TIVA_TIMER */
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