Introduced tickles mode for ADuCM36x
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@13657 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
This commit is contained in:
Rocco Marco Guglielmi
parent
f003aa8bbd
commit
0a1f75097b
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@ -52,7 +52,7 @@
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* setting also defines the system tick time unit.
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*/
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#if !defined(CH_CFG_ST_FREQUENCY)
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#define CH_CFG_ST_FREQUENCY 10000
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#define CH_CFG_ST_FREQUENCY 62500
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#endif
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/**
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@ -80,7 +80,7 @@
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* this value.
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*/
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#if !defined(CH_CFG_ST_TIMEDELTA)
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#define CH_CFG_ST_TIMEDELTA 0
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#define CH_CFG_ST_TIMEDELTA 2
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#endif
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/** @} */
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@ -66,7 +66,6 @@
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* ST driver system settings.
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*/
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#define ADUCM_ST_IRQ_PRIORITY 3
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#define ADUCM_ST_USE_TIMER 2
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/** @} */
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#endif /* MCUCONF_H */
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@ -64,6 +64,14 @@
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#define ADUCM_UART0_NUMBER 17
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/** @} */
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/*
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* Wake Up timer.
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*/
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#define ADUCM_WUT_HANDLER Vector40
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#define ADUCM_WUT_NUMBER 0
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/** @} */
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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@ -3,8 +3,7 @@ PLATFORMSRC := $(CHIBIOS)/os/hal/ports/common/ARMCMx/nvic.c \
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$(CHIBIOS)/os/hal/ports/ADUCM/ADUCM36x/aducm_isr.c \
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$(CHIBIOS)/os/hal/ports/ADUCM/ADUCM36x/hal_lld.c \
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$(CHIBIOS)/os/hal/ports/ADUCM/ADUCM36x/hal_pal_lld.c \
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$(CHIBIOS)/os/hal/ports/ADUCM/ADUCM36x/hal_spi_lld.c \
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$(CHIBIOS)/os/hal/ports/ADUCM/ADUCM36x/hal_st_lld.c
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$(CHIBIOS)/os/hal/ports/ADUCM/ADUCM36x/hal_spi_lld.c
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# Required include directories.
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PLATFORMINC := $(CHIBIOS)/os/hal/ports/common/ARMCMx \
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@ -29,6 +28,7 @@ endif
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# Drivers compatible with the platform.
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include $(CHIBIOS)/os/hal/ports/ADUCM/LLD/UARTv1/driver.mk
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include $(CHIBIOS)/os/hal/ports/ADUCM/LLD/WUTv1/driver.mk
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# Shared variables
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ALLCSRC += $(PLATFORMSRC)
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@ -0,0 +1,160 @@
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/*
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ChibiOS - Copyright (C) 2006..2020 Rocco Marco Guglielmi
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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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,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file ADUCM/aducm_wut.h
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* @brief ADUCM WUT units common header.
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* @note This file requires definitions from the ADI ADUCM header file.
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*
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* @{
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*/
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#ifndef ADUCM_WUT_H
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#define ADUCM_WUT_H
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/**
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* @name WUT Configuration register definitions
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* @{
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*/
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#define ADUCM_WUT_CON_PRE_DIV1 (0 << 0)
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#define ADUCM_WUT_CON_PRE_DIV4 (0 << 0)
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#define ADUCM_WUT_CON_PRE_DIV16 (1 << 0)
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#define ADUCM_WUT_CON_PRE_DIV256 (2 << 0)
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#define ADUCM_WUT_CON_PRE_DIV32768 (3 << 0)
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#define ADUCM_WUT_CON_FREEZE (1 << 3)
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#define ADUCM_WUT_CON_TMODE_PERIODIC (0 << 6)
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#define ADUCM_WUT_CON_TMODE_FREERUN (1 << 6)
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#define ADUCM_WUT_CON_ENABLE (1 << 7)
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#define ADUCM_WUT_CON_WUEN (1 << 8)
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#define ADUCM_WUT_CON_CLK_PCLK (0 << 9)
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#define ADUCM_WUT_CON_CLK_LFOSC (1 << 9)
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#define ADUCM_WUT_CON_CLK_LFOSC1 (2 << 9)
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#define ADUCM_WUT_CON_CLK_ECLKIN (3 << 9)
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#define ADUCM_WUT_CON_STOP_WUFA (1 << 11)
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/** @} */
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/**
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* @name WUT Interrupt Enable register definitions
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* @{
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*/
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#define ADUCM_WUT_IER_WUFA (1 << 0)
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#define ADUCM_WUT_IER_WUFB (1 << 1)
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#define ADUCM_WUT_IER_WUFC (1 << 2)
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#define ADUCM_WUT_IER_WUFD (1 << 3)
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#define ADUCM_WUT_IER_ROLL (1 << 4)
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/** @} */
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/**
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* @name WUT Status register definitions
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* @{
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*/
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#define ADUCM_WUT_STA_WUFA (1 << 0)
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#define ADUCM_WUT_STA_WUFB (1 << 1)
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#define ADUCM_WUT_STA_WUFC (1 << 2)
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#define ADUCM_WUT_STA_WUFD (1 << 3)
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#define ADUCM_WUT_STA_ROLL (1 << 4)
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#define ADUCM_WUT_STA_IRQCRY (1 << 6)
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#define ADUCM_WUT_STA_FREEZE (1 << 7)
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#define ADUCM_WUT_STA_PDOK (1 << 8)
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/** @} */
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/**
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* @name WUT Clear Interrupt register definitions
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* @{
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*/
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#define ADUCM_WUT_CLRI_WUFA (1 << 0)
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#define ADUCM_WUT_CLRI_WUFB (1 << 1)
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#define ADUCM_WUT_CLRI_WUFC (1 << 2)
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#define ADUCM_WUT_CLRI_WUFD (1 << 3)
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#define ADUCM_WUT_CLRI_ROLL (1 << 4)
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/** @} */
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/**
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* @name WUT ports definitions
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* @{
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*/
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#define ADUCM_WUT ((aducm_wut_t *)pADI_WUT)
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/** @} */
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief ADUCM41x WUT registers block.
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*/
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typedef struct {
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volatile uint32_t VAL0;
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volatile uint32_t VAL1;
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volatile uint32_t CON;
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volatile uint32_t INC;
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volatile uint32_t WUFB0;
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volatile uint32_t WUFB1;
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volatile uint32_t WUFC0;
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volatile uint32_t WUFC1;
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volatile uint32_t WUFD0;
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volatile uint32_t WUFD1;
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volatile uint32_t IEN;
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volatile uint32_t STA;
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volatile uint32_t CLRI;
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volatile uint32_t RESERVED[2];
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volatile uint32_t WUFA0;
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volatile uint32_t WUFA1;
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} aducm_wut_t;
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/**
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* @brief Enable the Wake-Up timer.
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*
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* @param[in] wutp Wake-up timer identifier
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*
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* @notapi
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*/
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#define ADCUM_WUT_ENABLE(wutp) ((wutp)->CON |= ADUCM_WUT_CON_ENABLE)
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/**
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* @brief Enable the Wake-Up timer.
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*
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* @param[in] wutp Wake-up timer identifier
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*
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* @notapi
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*/
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#define ADCUM_WUT_DISABLE(wutp) ((wutp)->CON &= ~ADUCM_WUT_CON_ENABLE)
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#endif /* ADUCM_WUT_H */
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/** @} */
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@ -0,0 +1,3 @@
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PLATFORMSRC += $(CHIBIOS)/os/hal/ports/ADUCM/LLD/WUTv1/hal_st_lld.c
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PLATFORMINC += $(CHIBIOS)/os/hal/ports/ADUCM/LLD/WUTv1
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@ -0,0 +1,179 @@
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/*
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ChibiOS - Copyright (C) 2006..2020 Rocco Marco Guglielmi
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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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,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file ADUCM36x/hal_st_lld.c
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* @brief ST Driver subsystem low level driver code.
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*
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* @addtogroup ST
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* @{
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*/
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#include "hal.h"
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#if (OSAL_ST_MODE != OSAL_ST_MODE_NONE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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#if OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING
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#if !defined(ADUCM_PCLK0)
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#define ADUCM_PCLK0 ADUCM_PCLK
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#endif
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#define ST_HANDLER ADUCM_WUT_HANDLER
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#define ST_NUMBER ADUCM_WUT_NUMBER
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#define ST_CLOCK_SRC ADUCM_PCLK0
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#if (((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) % 4 == 0) && \
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((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) / 4 == 1))
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#define ST_CLOCK_PRESC ADUCM_WUT_CON_PRE_DIV4
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#elif (((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) % 16 == 0) && \
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((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) / 16 == 1))
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#define ST_CLOCK_PRESC ADUCM_WUT_CON_PRE_DIV16
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#elif (((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) % 256 == 0) && \
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((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) / 256 == 1))
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#define ST_CLOCK_PRESC ADUCM_WUT_CON_PRE_DIV256
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#else
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#error "the selected ST frequency is not obtainable prescaler limitations"
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#endif
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#endif /* OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING */
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#if OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC
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#define ST_HANDLER SysTick_Handler
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#define ST_NUMBER HANDLER_SYSTICK
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#define SYSTICK_CK ADUCM_HCLK
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#if SYSTICK_CK % OSAL_ST_FREQUENCY != 0
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#error "the selected ST frequency is not obtainable because integer rounding"
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#endif
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#if (SYSTICK_CK / OSAL_ST_FREQUENCY) - 1 > 0xFFFFFF
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#error "the selected ST frequency is not obtainable because SysTick timer counter limits"
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#endif
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#endif /* OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC */
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/*===========================================================================*/
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/* Driver exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local variables and types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver interrupt handlers. */
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/*===========================================================================*/
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#if !defined(ADUCM_SYSTICK_SUPPRESS_ISR)
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/**
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* @brief Interrupt handler.
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*
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* @isr
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*/
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OSAL_IRQ_HANDLER(ST_HANDLER) {
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OSAL_IRQ_PROLOGUE();
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st_lld_serve_interrupt();
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OSAL_IRQ_EPILOGUE();
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}
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#endif
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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/**
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* @brief Low level ST driver initialization.
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*
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* @notapi
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*/
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void st_lld_init(void) {
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#if OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING
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/* Free running counter mode.*/
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ADUCM_ST_TIM->CON = ST_CLOCK_PRESC | ADUCM_WUT_CON_TMODE_FREERUN;
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ADUCM_ST_TIM->WUFB0 = 0;
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ADUCM_ST_TIM->WUFB1 = 0;
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ADUCM_ST_TIM->CLRI = ADUCM_WUT_CLRI_WUFA | ADUCM_WUT_CLRI_WUFB |
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ADUCM_WUT_CLRI_WUFC | ADUCM_WUT_CLRI_WUFD |
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ADUCM_WUT_CLRI_ROLL;
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ADUCM_ST_TIM->IEN = 0;
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ADCUM_WUT_ENABLE(ADUCM_ST_TIM);
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#if !defined(ADUCM_SYSTICK_SUPPRESS_ISR)
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/* IRQ enabled.*/
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nvicEnableVector(ST_NUMBER, ADUCM_ST_IRQ_PRIORITY);
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#endif
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#endif /* OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING */
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#if OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC
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/* Periodic systick mode, the Cortex-Mx internal systick timer is used
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in this mode.*/
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SysTick->LOAD = (SYSTICK_CK / OSAL_ST_FREQUENCY) - 1;
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SysTick->VAL = 0;
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SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
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SysTick_CTRL_ENABLE_Msk |
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SysTick_CTRL_TICKINT_Msk;
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#if !defined(ADUCM_SYSTICK_SUPPRESS_ISR)
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/* IRQ enabled.*/
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nvicSetSystemHandlerPriority(ST_NUMBER, ADUCM_ST_IRQ_PRIORITY);
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#endif
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#endif /* OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC */
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}
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/**
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* @brief IRQ handling code.
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*/
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void st_lld_serve_interrupt(void) {
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#if OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING
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uint32_t sr;
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sr = ADUCM_ST_TIM->STA;
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ADUCM_ST_TIM->CLRI = ADUCM_WUT_CLRI_WUFA | ADUCM_WUT_CLRI_WUFB |
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ADUCM_WUT_CLRI_WUFC | ADUCM_WUT_CLRI_WUFD |
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ADUCM_WUT_CLRI_ROLL;
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if((sr & ADUCM_WUT_STA_WUFB) != 0U)
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#endif
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{
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osalSysLockFromISR();
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osalOsTimerHandlerI();
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osalSysUnlockFromISR();
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}
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__DSB();
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}
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#endif /* OSAL_ST_MODE != OSAL_ST_MODE_NONE */
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/** @} */
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@ -0,0 +1,172 @@
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/*
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ChibiOS - Copyright (C) 2006..2020 Rocco Marco Guglielmi
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||||
|
||||
Licensed 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.
|
||||
*/
|
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|
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/**
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* @file ADUCM41x/hal_st_lld.h
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* @brief ST Driver subsystem low level driver header.
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* @details This header is designed to be include-able without having to
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* include other files from the HAL.
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*
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* @addtogroup ST
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* @{
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*/
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#ifndef HAL_ST_LLD_H
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#define HAL_ST_LLD_H
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#include "mcuconf.h"
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#include "aducm_wut.h"
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/**
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* @name Configuration options
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* @{
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*/
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/**
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* @brief SysTick timer IRQ priority.
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*/
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#if !defined(ADUCM_ST_IRQ_PRIORITY) || defined(__DOXYGEN__)
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#define ADUCM_ST_IRQ_PRIORITY 3
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#endif
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|
||||
/*===========================================================================*/
|
||||
/* Derived constants and error checks. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#if (OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING)
|
||||
#define ADUCM_ST_TIM ADUCM_WUT
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver data structures and types. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver macros. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* External declarations. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
void st_lld_init(void);
|
||||
void st_lld_serve_interrupt(void);
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver inline functions. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#if (OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING) || defined(__DOXYGEN__)
|
||||
/**
|
||||
* @brief Returns the time counter value.
|
||||
*
|
||||
* @return The counter value.
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
static inline systime_t st_lld_get_counter(void) {
|
||||
|
||||
ADUCM_ST_TIM->CON |= ADUCM_WUT_CON_FREEZE;
|
||||
systime_t cnt = (systime_t)((ADUCM_ST_TIM->VAL0 & 0X0000FFFF) |
|
||||
((ADUCM_ST_TIM->VAL1 & 0X0000FFFF) << 16));
|
||||
ADUCM_ST_TIM->CON &= ~ADUCM_WUT_CON_FREEZE;
|
||||
return cnt;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Starts the alarm.
|
||||
* @note Makes sure that no spurious alarms are triggered after
|
||||
* this call.
|
||||
*
|
||||
* @param[in] abstime the time to be set for the first alarm
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
static inline void st_lld_start_alarm(systime_t abstime) {
|
||||
ADUCM_ST_TIM->WUFB0 = (abstime & 0X0000FFFF);
|
||||
ADUCM_ST_TIM->WUFB1 = ((abstime >> 16) & 0X0000FFFF);
|
||||
ADUCM_ST_TIM->CLRI = ADUCM_WUT_CLRI_WUFA | ADUCM_WUT_CLRI_WUFB |
|
||||
ADUCM_WUT_CLRI_WUFC | ADUCM_WUT_CLRI_WUFD |
|
||||
ADUCM_WUT_CLRI_ROLL;
|
||||
ADUCM_ST_TIM->IEN = ADUCM_WUT_IER_WUFB;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Stops the alarm interrupt.
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
static inline void st_lld_stop_alarm(void) {
|
||||
ADUCM_ST_TIM->IEN = 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Sets the alarm time.
|
||||
*
|
||||
* @param[in] abstime the time to be set for the next alarm
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
static inline void st_lld_set_alarm(systime_t abstime) {
|
||||
ADUCM_ST_TIM->WUFB0 = (abstime & 0X0000FFFF);
|
||||
ADUCM_ST_TIM->WUFB1 = ((abstime >> 16) & 0X0000FFFF);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Returns the current alarm time.
|
||||
*
|
||||
* @return The currently set alarm time.
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
static inline systime_t st_lld_get_alarm(void) {
|
||||
|
||||
return (systime_t)((ADUCM_ST_TIM->WUFB0 & 0X0000FFFF) |
|
||||
((ADUCM_ST_TIM->WUFB1 & 0X0000FFFF) << 16));
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Determines if the alarm is active.
|
||||
*
|
||||
* @return The alarm status.
|
||||
* @retval false if the alarm is not active.
|
||||
* @retval true is the alarm is active
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
static inline bool st_lld_is_alarm_active(void) {
|
||||
|
||||
return (bool)((ADUCM_ST_TIM->IEN & ADUCM_WUT_IER_WUFB) != 0);
|
||||
}
|
||||
|
||||
#endif /* OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING */
|
||||
|
||||
#endif /* HAL_ST_LLD_H */
|
||||
|
||||
/** @} */
|
||||
|
|
@ -74,6 +74,7 @@
|
|||
*****************************************************************************
|
||||
|
||||
*** Next ***
|
||||
- NEW: Implemented tickless mode on ADuCM36x family
|
||||
- NEW: STM32 ICU driver now allows to setup the ARR register in the
|
||||
configuration structure, the default value should be 0xFFFFFFFFU.
|
||||
- NEW: More time conversion macros added to HAL OSAL.
|
||||
|
|
|
|||
Loading…
Reference in New Issue