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https://github.com/apache/nuttx.git
synced 2026-06-06 00:14:22 +08:00
STM32F33: Add COMP support
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raiden00pl
@@ -217,6 +217,10 @@ ifeq ($(CONFIG_DAC),y)
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CHIP_CSRCS += stm32_dac.c
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endif
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ifeq ($(CONFIG_COMP),y)
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CHIP_CSRCS += stm32_comp.c
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endif
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ifeq ($(CONFIG_STM32_1WIREDRIVER),y)
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CHIP_CSRCS += stm32_1wire.c
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endif
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@@ -59,6 +59,7 @@
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#include "stm32_adc.h"
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//#include "stm32_bkp.h"
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#include "stm32_can.h"
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#include "stm32_comp.h"
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#include "stm32_dbgmcu.h"
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#include "stm32_dma.h"
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#include "stm32_dac.h"
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,281 @@
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/************************************************************************************
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* arch/arm/src/stm32/stm32_comp.h
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Mateusz Szafoni <raiden00@railab.me>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_ARM_SRC_STM32_STM32_COMP_H
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#define __ARCH_ARM_SRC_STM32_STM32_COMP_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 "chip.h"
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#if defined(CONFIG_STM32_STM32F30XX)
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# error "COMP support for STM32F30XX not implemented yet"
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#elif defined(CONFIG_STM32_STM32F33XX)
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# include "chip/stm32f33xxx_comp.h"
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#elif defined(CONFIG_STM32_STM32F37XX)
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# error "COMP support for STM32F37XX ot implemented yet"
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#endif
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/************************************************************************************
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* Pre-processor definitions
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************************************************************************************/
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#define COMP_BLANKING_DEFAULT COMP_BLANKING_DIS /* No blanking */
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#define COMP_POL_DEFAULT COMP_POL_NONINVERT /* Output is not inverted */
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#define COMP_INM_DEFAULT COMP_INMSEL_1P4VREF /* 1/4 of Vrefint as INM */
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#define COMP_OUTSEL_DEFAULT COMP_OUTSEL_NOSEL /* Output not selected */
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#define COMP_LOCK_DEFAULT COMP_LOCK_RO /* Do not lock CSR register */
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#ifndef CONFIG_STM32_STM32F33XX
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#define COMP_MODE_DEFAULT
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#define COMP_HYST_DEFAULT
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#define COMP_WINMODE_DEFAULT
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#endif
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/************************************************************************************
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* Public Types
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************************************************************************************/
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/* Blanking source */
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enum stm32_comp_blanking_e
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{
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COMP_BLANKING_DIS,
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#if defined(CONFIG_STM32_STM32F33XX)
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COMP_BLANKING_T1OC5,
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COMP_BLANKING_T3OC4,
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COMP_BLANKING_T2OC3,
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COMP_BLANKING_T3OC3,
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COMP_BLANKING_T15OC1,
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COMP_BLANKING_T2OC4,
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COMP_BLANKING_T15OC2,
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#endif
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};
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/* Output polarisation */
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enum stm32_comp_pol_e
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{
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COMP_POL_NONINVERT,
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COMP_POL_INVERTED
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};
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/* Inverting input */
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enum stm32_comp_inm_e
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{
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COMP_INMSEL_1P4VREF,
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COMP_INMSEL_1P2VREF,
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COMP_INMSEL_3P4VREF,
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COMP_INMSEL_VREF,
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COMP_INMSEL_DAC1CH1,
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COMP_INMSEL_DAC1CH2,
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COMP_INMSEL_PIN
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};
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/* Output selection */
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enum stm32_comp_outsel_e
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{
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COMP_OUTSEL_NOSEL,
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#if defined(CONFIG_STM32_STM32F33XX)
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COMP_OUTSEL_BRKACTH,
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COMP_OUTSEL_BRK2,
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COMP_OUTSEL_T1OCC, /* COMP2 only */
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COMP_OUTSEL_T3CAP3, /* COMP4 only */
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COMP_OUTSEL_T2CAP2, /* COMP6 only */
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COMP_OUTSEL_T1CAP1, /* COMP2 only */
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COMP_OUTSEL_T2CAP4, /* COMP2 only */
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COMP_OUTSEL_T15CAP2, /* COMP4 only */
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COMP_OUTSEL_T2OCC, /* COMP6 only */
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COMP_OUTSEL_T16OCC, /* COMP2 only */
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COMP_OUTSEL_T3CAP1, /* COMP2 only */
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COMP_OUTSEL_T15OCC, /* COMP4 only */
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COMP_OUTSEL_T16CAP1, /* COMP6 only */
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COMP_OUTSEL_T3OCC, /* COMP2 and COMP4 only */
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#endif
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};
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/* CSR register lock state */
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enum stm32_comp_lock_e
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{
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COMP_LOCK_RW,
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COMP_LOCK_RO
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};
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#ifndef CONFIG_STM32_STM32F33XX
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/* Hysteresis */
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enum stm32_comp_hyst_e
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{
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COMP_HYST_DIS,
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COMP_HYST_LOW,
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COMP_HYST_MEDIUM,
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COMP_HYST_HIGH
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},
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/* Power/Speed Modes */
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enum stm32_comp_mode_e
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{
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COMP_MODE_HIGHSPEED,
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COMP_MODE_MEDIUMSPEED,
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COMP_MODE_LOWPOWER,
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COMP_MODE_ULTRALOWPOWER
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};
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/* Window mode */
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enum stm32_comp_winmode_e
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{
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COMP_WINMODE_DIS,
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COMP_WINMODE_EN
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};
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#endif
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/* Comparator configuration ***********************************************************/
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struct stm32_comp_s
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{
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uint8_t blanking; /* Blanking source */
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uint8_t pol; /* Output polarity */
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uint8_t inm; /* Inverting input selection */
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uint8_t out; /* Comparator output */
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uint8_t lock; /* Comparator Lock */
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uint32_t csr; /* Control and status register */
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#ifndef CONFIG_STM32_STM32F33XX
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uint8_t mode; /* Comparator mode */
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uint8_t hyst; /* Comparator hysteresis */
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/* @TODO: Window mode + INP selection */
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#endif
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};
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/************************************************************************************
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* Public Function Prototypes
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************************************************************************************/
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#ifndef __ASSEMBLY__
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Name: stm32_compconfig
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*
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* Description:
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* Configure comparator and used I/Os
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*
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* Input Parameters:
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* priv - A reference to the COMP structure
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*
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* Returned Value:
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* 0 on success, a negated errno value on failure
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*
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****************************************************************************/
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int stm32_compconfig(FAR struct stm32_comp_s *priv);
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/****************************************************************************
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* Name: stm32_compinitialize
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*
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* Description:
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* Initialize the COMP.
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*
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* Input Parameters:
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* intf - The COMP interface number.
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*
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* Returned Value:
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* Valid COMP device structure reference on succcess; a NULL on failure.
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*
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* Assumptions:
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* 1. Clock to the COMP block has enabled,
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* 2. Board-specific logic has already configured
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*
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****************************************************************************/
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FAR struct stm32_comp_s* stm32_compinitialize(int intf);
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/****************************************************************************
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* Name: stm32_compenable
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*
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* Description:
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* Enable/disable comparator
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*
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* Input Parameters:
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* priv - A reference to the COMP structure
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* enable - enable/disable flag
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*
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* Returned Value:
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* 0 on success, a negated errno value on failure
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*
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****************************************************************************/
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int stm32_compenable(FAR struct stm32_comp_s *priv, bool enable);
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/****************************************************************************
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* Name: stm32_complock
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*
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* Description:
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* Lock comparator CSR register
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*
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* Input Parameters:
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* priv - A reference to the COMP structure
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* enable - lock flag
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*
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* Returned Value:
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* 0 on success, a negated errno value on failure
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*
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****************************************************************************/
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int stm32_complock(FAR struct stm32_comp_s *priv, bool lock);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_ARM_SRC_STM32_STM32_COMP_H */
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