gustavonihei commented on a change in pull request #4401: URL: https://github.com/apache/incubator-nuttx/pull/4401#discussion_r698762945
########## File path: arch/xtensa/src/esp32s2/esp32s2_tim_lowerhalf.c ########## @@ -0,0 +1,595 @@ +/**************************************************************************** + * arch/xtensa/src/esp32s2/esp32s2_tim_lowerhalf.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you 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 + * + * http://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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/types.h> +#include <stdbool.h> +#include <string.h> +#include <assert.h> +#include <errno.h> +#include <debug.h> +#include <stdio.h> +#include <stdint.h> + +#include <nuttx/arch.h> +#include <nuttx/timers/timer.h> + +#include "hardware/esp32s2_soc.h" + +#include "esp32s2_tim.h" +#include "esp32s2_clockconfig.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +struct esp32s2_timer_lowerhalf_s +{ + FAR const struct timer_ops_s *ops; /* Lower half operations */ + FAR struct esp32s2_tim_dev_s *tim; /* esp32s2 timer driver */ + tccb_t callback; /* Interrupt callback */ + FAR void *arg; /* Argument passed to upper half callback */ + bool started; /* True: Timer has been started */ + void *upper; /* Pointer to watchdog_upperhalf_s */ +}; + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +static int esp32s2_timer_handler(int irq, void *context, void *arg); + +/* "Lower half" driver methods **********************************************/ + +static int esp32s2_timer_start(FAR struct timer_lowerhalf_s *lower); +static int esp32s2_timer_stop(FAR struct timer_lowerhalf_s *lower); +static int esp32s2_timer_getstatus(FAR struct timer_lowerhalf_s *lower, + FAR struct timer_status_s *status); +static int esp32s2_timer_settimeout(FAR struct timer_lowerhalf_s *lower, + uint32_t timeout); +static int esp32s2_timer_maxtimeout(FAR struct timer_lowerhalf_s *lower, + uint32_t *timeout); +static void esp32s2_timer_setcallback(FAR struct timer_lowerhalf_s *lower, + tccb_t callback, FAR void *arg); + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/* "Lower half" driver methods */ + +static const struct timer_ops_s g_esp32s2_timer_ops = +{ + .start = esp32s2_timer_start, + .stop = esp32s2_timer_stop, + .getstatus = esp32s2_timer_getstatus, + .settimeout = esp32s2_timer_settimeout, + .setcallback = esp32s2_timer_setcallback, + .maxtimeout = esp32s2_timer_maxtimeout, + .ioctl = NULL, +}; + +#ifdef CONFIG_ESP32S2_TIMER0 + +/* TIMER0 lower-half */ + +static struct esp32s2_timer_lowerhalf_s g_esp32s2_timer0_lowerhalf = +{ + .ops = &g_esp32s2_timer_ops, +}; +#endif + +#ifdef CONFIG_ESP32S2_TIMER1 + +/* TIMER1 lower-half */ + +static struct esp32s2_timer_lowerhalf_s g_esp32s2_timer1_lowerhalf = +{ + .ops = &g_esp32s2_timer_ops, +}; +#endif + +#ifdef CONFIG_ESP32S2_TIMER2 + +/* TIMER2 lower-half */ + +static struct esp32s2_timer_lowerhalf_s g_esp32s2_timer2_lowerhalf = +{ + .ops = &g_esp32s2_timer_ops, +}; +#endif + +#ifdef CONFIG_ESP32S2_TIMER3 + +/* TIMER3 lower-half */ + +static struct esp32s2_timer_lowerhalf_s g_esp32s2_timer3_lowerhalf = +{ + .ops = &g_esp32s2_timer_ops, +}; +#endif + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: esp32s2_timer_handler + * + * Description: + * Timer interrupt handler + * + ****************************************************************************/ + +static int esp32s2_timer_handler(int irq, void *context, void *arg) Review comment: ```suggestion static int esp32s2_timer_handler(int irq, FAR void *context, void *arg) ``` -- This is an automated message from the Apache Git Service. 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