mirror of
https://github.com/apache/nuttx.git
synced 2026-05-24 07:46:16 +08:00
xtensa/esp32: Added Timer Support
This commit is contained in:
Sara Souza
committed by
Alan Carvalho de Assis
Alan Carvalho de Assis
parent
232aa62f03
commit
0faf861256
@@ -181,8 +181,9 @@
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* 0x03c0 Double exception
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*
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* REVISIT: In more architectures supported by NuttX, exception errors
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* tie into the normal interrupt handling via special IRQ numbers. I
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* is still to be determined what will be done for the ESP32.
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* tie into the normal interrupt handling via special IRQ numbers.
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* It is still to be determined what will be done for the ESP32.
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*
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*/
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/* IRQ numbers for internal interrupts that are dispatched like peripheral
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@@ -31,6 +31,10 @@ config ESP32_UART
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bool
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default n
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config ESP32_TIMER
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bool
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default n
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config ESP32_BT
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bool "Bluetooth"
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default n
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@@ -160,32 +164,32 @@ config XTENSA_TIMER2
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default n
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config ESP32_TIMER0
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bool "64-bit Timer 0"
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bool "64-bit Timer 0 (Group 0 Timer 0)"
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default n
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depends on EXPERIMENTAL
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select ESP32_TIMER
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---help---
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No yet implemented
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Enables Timer
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config ESP32_TIMER1
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bool "64-bit Timer 1"
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bool "64-bit Timer 1 (Group 0 Timer 1)"
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default n
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depends on EXPERIMENTAL
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select ESP32_TIMER
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---help---
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No yet implemented
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Enables Timer
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config ESP32_TIMER2
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bool "64-bit Timer 2"
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bool "64-bit Timer 2 (Group 1 Timer 0)"
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default n
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depends on EXPERIMENTAL
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select ESP32_TIMER
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---help---
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No yet implemented
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Enables Timer
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config ESP32_TIMER3
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bool "64-bit Timer 3"
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bool "64-bit Timer 3 (Group 1 Timer 1)"
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default n
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depends on EXPERIMENTAL
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select ESP32_TIMER
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---help---
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No yet implemented
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Enables Timer
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config ESP32_MWDT0
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bool "Timer 0 Watchdog"
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@@ -138,6 +138,13 @@ ifeq ($(CONFIG_ESP32_RNG),y)
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CMN_CSRCS += esp32_rng.c
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endif
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ifeq ($(CONFIG_ESP32_TIMER),y)
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CHIP_CSRCS += esp32_tim.c
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ifeq ($(CONFIG_TIMER),y)
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CHIP_CSRCS += esp32_tim_lowerhalf.c
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endif
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endif
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ifeq ($(CONFIG_ARCH_USE_MODULE_TEXT),y)
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CHIP_CSRCS += esp32_modtext.c
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CMN_ASRCS += xtensa_loadstore.S
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@@ -1,5 +1,5 @@
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/****************************************************************************
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* arch/xtensa/src/esp32/esp32_irq.c
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* arch/xtensa/src/esp32/esp32_cpuint.c
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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@@ -242,7 +242,7 @@ static int esp32_alloc_cpuint(uint32_t intmask)
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int cpuint;
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int ret = -ENOMEM;
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/* Check if there are is CPU interrupts with the requested properties
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/* Check if there are CPU interrupts with the requested properties
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* available.
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*/
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@@ -416,7 +416,7 @@ void up_disable_irq(int cpuint)
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* Name: up_enable_irq
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*
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* Description:
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* Ensable the CPU interrupt specified by 'cpuint'
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* Enable the CPU interrupt specified by 'cpuint'
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*
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****************************************************************************/
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@@ -504,7 +504,7 @@ int esp32_alloc_edgeint(int priority)
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* Name: esp32_free_cpuint
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*
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* Description:
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* Free a previoulsy allocated CPU interrupt
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* Free a previously allocated CPU interrupt
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*
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* Input Parameters:
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* The CPU interrupt number to be freed
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@@ -551,7 +551,7 @@ void esp32_free_cpuint(int cpuint)
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*
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* Input Parameters:
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* cpu - The CPU to receive the interrupt 0=PRO CPU 1=APP CPU
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* periphid - The peripheral number from ira.h to be assigned to
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* periphid - The peripheral number from irq.h to be assigned to
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* a CPU interrupt.
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* cpuint - The CPU interrupt to receive the peripheral interrupt
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* assignment.
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@@ -144,7 +144,7 @@ void esp32_free_cpuint(int cpuint);
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*
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* Input Parameters:
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* cpu - The CPU to receive the interrupt 0=PRO CPU 1=APP CPU
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* periphid - The peripheral number from ira.h to be assigned to
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* periphid - The peripheral number from irq.h to be assigned to
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* a CPU interrupt.
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* cpuint - The CPU interrupt to receive the peripheral interrupt
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* assignment.
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,127 @@
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/****************************************************************************
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* arch/xtensa/src/esp32/esp32_tim.h
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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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#ifndef __ARCH_XTENSA_SRC_ESP32_ESP32_TIM_H
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#define __ARCH_XTENSA_SRC_ESP32_ESP32_TIM_H
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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 <stdint.h>
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#include <nuttx/irq.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Helpers ******************************************************************/
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#define ESP32_TIM_START(d) ((d)->ops->start(d))
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#define ESP32_TIM_STOP(d) ((d)->ops->stop(d))
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#define ESP32_TIM_CLEAR(d) ((d)->ops->clear(d))
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#define ESP32_TIM_CONFIGURE(d, p, m, c, av, a, ar) ((d)->ops->configure(d, m, c, av, a, ar))
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#define ESP32_TIM_SETMODE(d, m) ((d)->ops->setmode(d, m))
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#define ESP32_TIM_SETPRE(d, p) ((d)->ops->setpre(d, p))
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#define ESP32_TIM_GETCONFIG(d, v) ((d)->ops->getconfig(d, v))
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#define ESP32_TIM_GETCTR(d, v) ((d)->ops->getcounter(d, v))
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#define ESP32_TIM_SETCTR(d, v) ((d)->ops->setcounter(d, v))
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#define ESP32_TIM_GETALRVL(d, v) ((d)->ops->getalarmvalue(d, v))
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#define ESP32_TIM_SETALRVL(d, v) ((d)->ops->setalarmvalue(d, v))
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#define ESP32_TIM_SETALRM(d, e) ((d)->ops->setalarm(d, e))
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#define ESP32_TIM_SETARLD(d, e) ((d)->ops->setautoreload(d, e))
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#define ESP32_TIM_SETISR(d, hnd, arg) ((d)->ops->setisr(d, hnd, arg))
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#define ESP32_TIM_ENABLEINT(d) ((d)->ops->enableint(d))
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#define ESP32_TIM_DISABLEINT(d) ((d)->ops->disableint(d))
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#define ESP32_TIM_CHECKINT(d) ((d)->ops->checkint(d))
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#define ESP32_TIM_ACKINT(d) ((d)->ops->ackint(d))
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* Timer mode */
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enum esp32_tim_mode_e
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{
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ESP32_TIM_MODE_DOWN,
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ESP32_TIM_MODE_UP,
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};
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/* ESP32 TIM device */
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struct esp32_tim_dev_s
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{
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struct esp32_tim_ops_s *ops;
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};
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/* ESP32 TIM ops */
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/* This is a struct containing the pointers to the timer operations */
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struct esp32_tim_ops_s
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{
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/* Timer tasks */
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CODE int (*start)(FAR struct esp32_tim_dev_s *dev);
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CODE int (*stop)(FAR struct esp32_tim_dev_s *dev);
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CODE int (*clear)(FAR struct esp32_tim_dev_s *dev);
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/* Timer configuration */
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CODE int (*configure)(FAR struct esp32_tim_dev_s *dev, uint16_t pre,
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uint8_t mode, uint64_t counter_value,
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uint64_t alarm_value, bool alarm,
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bool autoreload);
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/* Timer operations */
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CODE int (*setmode)(FAR struct esp32_tim_dev_s *dev, uint8_t mode);
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CODE int (*setpre)(FAR struct esp32_tim_dev_s *dev, uint16_t pre);
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CODE int (*getconfig)(FAR struct esp32_tim_dev_s *dev, uint32_t *value);
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CODE int (*getcounter)(FAR struct esp32_tim_dev_s *dev, uint64_t *value);
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CODE int (*setcounter)(FAR struct esp32_tim_dev_s *dev, uint64_t value);
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CODE int (*getalarmvalue)(FAR struct esp32_tim_dev_s *dev,
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uint64_t *value);
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CODE int (*setalarmvalue)(FAR struct esp32_tim_dev_s *dev, uint64_t value);
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CODE int (*setalarm)(FAR struct esp32_tim_dev_s *dev, bool enable);
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CODE int (*setautoreload)(FAR struct esp32_tim_dev_s *dev, bool enable);
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/* Timer interrupts */
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CODE int (*setisr)(FAR struct esp32_tim_dev_s *dev, xcpt_t handler,
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FAR void * arg);
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CODE int (*enableint)(FAR struct esp32_tim_dev_s *dev);
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CODE int (*disableint)(FAR struct esp32_tim_dev_s *dev);
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CODE int (*checkint)(FAR struct esp32_tim_dev_s *dev);
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CODE int (*ackint)(FAR struct esp32_tim_dev_s *dev);
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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FAR struct esp32_tim_dev_s *esp32_tim_init(int timer);
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int esp32_tim_deinit(FAR struct esp32_tim_dev_s *dev);
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#endif /* __ARCH_XTENSA_SRC_ESP32_ESP32_TIM_H */
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,42 @@
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/****************************************************************************
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* arch/xtensa/src/esp32/esp32_tim_lowerhalf.h
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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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#ifndef __ARCH_XTENSA_SRC_ESP32_ESP32_TIM_LOWERHALF_H
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#define __ARCH_XTENSA_SRC_ESP32_ESP32_TIM_LOWERHALF_H
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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 <esp32_tim.h>
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: esp32_timer_initialize
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****************************************************************************/
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int esp32_timer_initialize(FAR const char *devpath, uint8_t timer);
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#endif /* __ARCH_XTENSA_SRC_ESP32_ESP32_TIM_LOWERHALF_H */
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@@ -198,6 +198,7 @@
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#define TIMER_CLK_FREQ (80000000 >> 4) /* 80MHz divided by 16 */
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#define SPI_CLK_DIV 4
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#define TICKS_PER_US_ROM 26 /* CPU is 80MHz */
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#define TB_CLK_FREQ APB_CLK_FREQ
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#define DR_REG_DPORT_BASE 0x3ff00000
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#define DR_REG_UART_BASE 0x3ff40000
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,54 @@
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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# CONFIG_NSH_ARGCAT is not set
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# CONFIG_NSH_CMDOPT_HEXDUMP is not set
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# CONFIG_NSH_CMDPARMS is not set
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CONFIG_ARCH="xtensa"
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CONFIG_ARCH_BOARD="esp32-core"
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CONFIG_ARCH_BOARD_ESP32CORE=y
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CONFIG_ARCH_CHIP="esp32"
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CONFIG_ARCH_CHIP_ESP32=y
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_ARCH_XTENSA=y
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CONFIG_BOARD_LOOPSPERMSEC=16717
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CONFIG_BUILTIN=y
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CONFIG_ESP32_TIMER0=y
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CONFIG_ESP32_TIMER1=y
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CONFIG_ESP32_TIMER2=y
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CONFIG_ESP32_TIMER3=y
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CONFIG_ESP32_UART0=y
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CONFIG_EXAMPLES_TIMER=y
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CONFIG_FS_PROCFS=y
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CONFIG_HAVE_CXX=y
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CONFIG_HAVE_CXXINITIALIZE=y
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CONFIG_IDLETHREAD_STACKSIZE=3072
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CONFIG_INTELHEX_BINARY=y
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CONFIG_MAX_TASKS=16
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CONFIG_MM_REGIONS=2
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CONFIG_NFILE_DESCRIPTORS=8
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CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_FILEIOSIZE=512
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CONFIG_NSH_LINELEN=64
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CONFIG_NSH_READLINE=y
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CONFIG_PREALLOC_TIMERS=4
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CONFIG_RAM_SIZE=114688
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CONFIG_RAM_START=0x20000000
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CONFIG_RAW_BINARY=y
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CONFIG_RR_INTERVAL=200
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CONFIG_SCHED_WAITPID=y
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CONFIG_SDCLONE_DISABLE=y
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CONFIG_SPI=y
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CONFIG_START_DAY=6
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CONFIG_START_MONTH=12
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CONFIG_START_YEAR=2011
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CONFIG_SYSTEM_NSH=y
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CONFIG_TIMER=y
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CONFIG_TIMER_ARCH=y
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CONFIG_UART0_SERIAL_CONSOLE=y
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CONFIG_USER_ENTRYPOINT="nsh_main"
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@@ -60,6 +60,12 @@ ifeq ($(CONFIG_ESP32_SPIFLASH),y)
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CSRCS += esp32_spiflash.c
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endif
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ifeq ($(CONFIG_TIMER),y)
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ifeq ($(CONFIG_ESP32_TIMER),y)
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CSRCS += esp32_timer.c
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endif
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endif
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SCRIPTIN = $(SCRIPTDIR)$(DELIM)esp32.template.ld
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SCRIPTOUT = $(SCRIPTDIR)$(DELIM)esp32_out.ld
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@@ -95,6 +95,17 @@ int esp32_mmcsd_initialize(int minor);
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****************************************************************************/
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int esp32_spiflash_init(void);
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/****************************************************************************
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* Name: esp32_timer_driver_setup
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*
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* Description:
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* Initialize TIMER driver.
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*
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****************************************************************************/
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#ifdef CONFIG_TIMER
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int esp32_timer_driver_setup(FAR const char *devpath, int timer);
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_XTENSA_ESP32_ESP32_CORE_SRC_ESP32_CORE_H */
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@@ -42,6 +42,11 @@
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <syslog.h>
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#include <debug.h>
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#ifdef CONFIG_TIMER
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# include <nuttx/timers/timer.h>
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#endif
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#include "esp32-core.h"
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@@ -49,6 +54,22 @@
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* Pre-processor Definitions
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****************************************************************************/
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#ifdef CONFIG_ESP32_TIMER0
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#define ESP32_TIMER0 (0)
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#endif
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#ifdef CONFIG_ESP32_TIMER1
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#define ESP32_TIMER1 (1)
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#endif
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#ifdef CONFIG_ESP32_TIMER2
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#define ESP32_TIMER2 (2)
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#endif
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#ifdef CONFIG_ESP32_TIMER3
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#define ESP32_TIMER3 (3)
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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@@ -94,6 +115,49 @@ int esp32_bringup(void)
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ret = esp32_spiflash_init();
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#endif
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#ifdef CONFIG_TIMER
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/* Configure TIMER driver */
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#ifdef CONFIG_ESP32_TIMER0
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ret = esp32_timer_driver_setup("/dev/timer0", ESP32_TIMER0);
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if (ret < 0)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to initialize timer driver: %d\n",
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ret);
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}
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#endif
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#ifdef CONFIG_ESP32_TIMER1
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ret = esp32_timer_driver_setup("/dev/timer1", ESP32_TIMER1);
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if (ret < 0)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to initialize timer driver: %d\n",
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||||
ret);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32_TIMER2
|
||||
ret = esp32_timer_driver_setup("/dev/timer2", ESP32_TIMER2);
|
||||
if (ret < 0)
|
||||
{
|
||||
syslog(LOG_ERR,
|
||||
"ERROR: Failed to initialize timer driver: %d\n",
|
||||
ret);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32_TIMER3
|
||||
ret = esp32_timer_driver_setup("/dev/timer3", ESP32_TIMER3);
|
||||
if (ret < 0)
|
||||
{
|
||||
syslog(LOG_ERR,
|
||||
"ERROR: Failed to initialize timer driver: %d\n",
|
||||
ret);
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* If we got here then perhaps not all initialization was successful, but
|
||||
* at least enough succeeded to bring-up NSH with perhaps reduced
|
||||
* capabilities.
|
||||
|
||||
@@ -0,0 +1,58 @@
|
||||
/****************************************************************************
|
||||
* boards/xtensa/esp32/esp32-core/src/esp32_timer.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 <nuttx/timers/timer.h>
|
||||
|
||||
#include <debug.h>
|
||||
|
||||
#include "esp32_tim_lowerhalf.h"
|
||||
|
||||
#include "esp32-core.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: esp32_timer_driver_setup
|
||||
*
|
||||
* Description:
|
||||
* Configure the timer driver.
|
||||
*
|
||||
* Input Parameters:
|
||||
* devpath - The full path to the timer device. This should be of the
|
||||
* form /dev/timerX
|
||||
* timer - The timer's number.
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero (OK) is returned on success; A negated errno value is returned
|
||||
* to indicate the nature of any failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int esp32_timer_driver_setup(FAR const char *devpath, int timer)
|
||||
{
|
||||
return esp32_timer_initialize(devpath, timer);
|
||||
}
|
||||
@@ -235,7 +235,7 @@ extern "C"
|
||||
* initialization.
|
||||
*
|
||||
* Input Parameters:
|
||||
* dev path - The full path to the driver to be registers in the NuttX
|
||||
* dev path - The full path to the driver to be registered in the NuttX
|
||||
* pseudo-filesystem. The recommended convention is to name all timer
|
||||
* drivers as "/dev/timer0", "/dev/timer1", etc. where the driver
|
||||
* path differs only in the "minor" number at the end of the device name.
|
||||
|
||||
Reference in New Issue
Block a user