Merged in extent3d/nuttx (pull request #586)
SAMDL: Added Analog Comparator headers and basic initialization Approved-by: Gregory Nutt <gnutt@nuttx.org>
This commit is contained in:
Matt Thompson
Gregory Nutt
commit
fc04b5f018
@ -106,3 +106,7 @@ endif
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ifeq ($(CONFIG_SAMDL_EIC),y)
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CHIP_CSRCS += sam_eic.c
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endif
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ifeq ($(CONFIG_SAMDL_AC),y)
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CHIP_CSRCS += sam_ac.c
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endif
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209
arch/arm/src/samdl/chip/samd_ac.h
Normal file
209
arch/arm/src/samdl/chip/samd_ac.h
Normal file
@ -0,0 +1,209 @@
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/********************************************************************************************
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* arch/arm/src/samdl/chip/samd_ac.h
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*
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* Copyright (C) 2018 Gregory Nutt. All rights reserved.
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* Author: Matt Thompson <matt@extent3d.com>
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*
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* References:
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* "Atmel SAM L21E / SAM L21G / SAM L21J Smart ARM-Based Microcontroller
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* Datasheet", Atmel-42385C-SAML21_Datasheet_Preliminary-03/20/15
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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
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* 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_SAMDL_CHIP_SAMD_AC_H
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#define __ARCH_ARM_SRC_SAMDL_CHIP_SAMD_AC_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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#ifdef CONFIG_ARCH_FAMILY_SAMD21
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/********************************************************************************************
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* Pre-processor Definitions
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********************************************************************************************/
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/* AC register offsets **********************************************************************/
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#define SAM_AC_CTRLA_OFFSET 0x0000 /* Control A Register */
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#define SAM_AC_CTRLB_OFFSET 0x0001 /* Control B Register */
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#define SAM_AC_EVCTRL_OFFSET 0x0002 /* Event Control Register */
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#define SAM_AC_INTENCLR_OFFSET 0x0004 /* Interrupt Enable Clear Register */
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#define SAM_AC_INTENSET_OFFSET 0x0005 /* Interrupt Enable Set Register */
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#define SAM_AC_INTFLAG_OFFSET 0x0006 /* Interrupt Flag Status and Clear Register */
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#define SAM_AC_STATUSA_OFFSET 0x0008 /* Status A Register */
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#define SAM_AC_STATUSB_OFFSET 0x0009 /* Status B Register */
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#define SAM_AC_STATUSC_OFFSET 0x000A /* Status C Register */
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#define SAM_AC_WINCTRL_OFFSET 0x000C /* Window Control Register */
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#define SAM_AC_COMPCTRL0_OFFSET 0x0010 /* Comparator 0 Control Register */
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#define SAM_AC_COMPCTRL1_OFFSET 0x0014 /* Comparator 1 Control Register */
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#define SAM_AC_SCALER0_OFFSET 0x0020 /* Scaler 0 Register */
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#define SAM_AC_SCALER1_OFFSET 0x0021 /* Scaler 1 Register */
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/* AC register addresses *******************************************************************/
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#define SAM_AC_CTRLA (SAM_AC_BASE+SAM_AC_CTRLA_OFFSET)
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#define SAM_AC_CTRLB (SAM_AC_BASE+SAM_AC_CTRLB_OFFSET)
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#define SAM_AC_EVCTRL (SAM_AC_BASE+SAM_AC_EVCTRL_OFFSET)
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#define SAM_AC_INTENCLR (SAM_AC_BASE+SAM_AC_INTENCLR_OFFSET)
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#define SAM_AC_INTENSET (SAM_AC_BASE+SAM_AC_INTENSET_OFFSET)
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#define SAM_AC_INTFLAG (SAM_AC_BASE+SAM_AC_INTFLAG_OFFSET)
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#define SAM_AC_STATUSA (SAM_AC_BASE+SAM_AC_STATUSA_OFFSET)
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#define SAM_AC_STATUSB (SAM_AC_BASE+SAM_AC_STATUSB_OFFSET)
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#define SAM_AC_STATUSC (SAM_AC_BASE+SAM_AC_STATUSC_OFFSET)
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#define SAM_AC_WINCTRL (SAM_AC_BASE+SAM_AC_WINCTRL_OFFSET)
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#define SAM_AC_COMPCTRL0 (SAM_AC_BASE+SAM_AC_COMPCTRL0_OFFSET)
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#define SAM_AC_COMPCTRL1 (SAM_AC_BASE+SAM_AC_COMPCTRL1_OFFSET)
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#define SAM_AC_SCALER0 (SAM_AC_BASE+SAM_AC_SCALER0_OFFSET)
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#define SAM_AC_SCALER1 (SAM_AC_BASE+SAM_AC_SCALER1_OFFSET)
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/* AC register bit definitions ************************************************************/
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/* Control A Register */
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#define AC_CTRLA_SWRTS (1 << 0) /* Bit 0: Software reset */
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#define AC_CTRLA_ENABLE (1 << 1) /* Bit 1: Enable AC */
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#define AC_CTRLA_RUNSTDBY (1 << 2) /* Bit 2: Run in standby */
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#define AC_CTRLA_LPMUX (1 << 7) /* Bit 7: Low-Power Mux */
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/* Control B Register */
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#define AC_CTRLB_START0 (1 << 0) /* Bit 0: Comparator 0 start */
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#define AC_CTRLB_START1 (1 << 1) /* Bit 1: Comparator 1 start */
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/* Event Control Register */
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#define AC_EVCTRL_COMPEO0 (1 << 0) /* Bit 0: Comparator 0 Event Output enable */
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#define AC_EVCTRL_COMPEO1 (1 << 1) /* Bit 1: Comparator 1 Event Output enable */
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#define AC_EVCTRL_WINEO0 (1 << 4) /* Bit 4: Window 0 Event Output enable */
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#define AC_EVCTRL_COMPEI0 (1 << 8) /* Bit 8: Comparator 0 Event Input enable */
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#define AC_EVCTRL_COMPEI1 (1 << 9) /* Bit 9: Comparator 1 Event Input enable */
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/* Common bit definitions for Interrupt Enable Clear Register, Interrupt Enable Set
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* Register, and Interrupt Flag Status and Clear Register
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*/
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#define AC_INT_COMP0 (1 << 0) /* Bit 0: Comparator 0 */
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#define AC_INT_COMP1 (1 << 1) /* Bit 1: Comparator 1 */
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#define AC_INT_WIN0 (1 << 4) /* Bit 4: Window 0 */
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#define AC_INT_ALL 0x13
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/* Status A Register */
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#define AC_STATUSA_STATE0 (1 << 0) /* Bit 0: State 0 - Output state of comparator 0 */
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#define AC_STATUSA_STATE1 (1 << 1) /* Bit 1: State 1 - Output state of comparator 1 */
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#define AC_STATUSA_WSTATE_SHIFT (4)
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#define AC_STATUSA_WSTATE_MASK (3 << AC_STATUSA_WSTATE_SHIFT)
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# define AC_STATUSA_WSTATE_ABOVE (0 << AC_STATUSA_WSTATE_SHIFT)
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# define AC_STATUSA_WSTATE_INSIDE (1 << AC_STATUSA_WSTATE_SHIFT)
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# define AC_STATUSA_WSTATE_BELOW (2 << AC_STATUSA_WSTATE_SHIFT)
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/* Status B Register */
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#define AC_STATUSB_READY0 (1 << 0) /* Bit 0: Ready 0 - Comparator 0 ready status */
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#define AC_STATUSB_READY1 (1 << 1) /* Bit 1: Ready 1 - Comparator 1 ready status */
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#define AC_STATUSB_SYNCBUSY (1 << 7) /* Bit 7: Synchronoziation ready */
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/* Status C Register */
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/* Window Control Register */
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#define AC_WINCTRL_WEN0 (1 << 0) /* Bit 0: Window enable (both comparators) */
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#define AC_WINCTRL_WINTSEL_SHIFT (1)
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#define AC_WINCTRL_WINTSEL_MASK (3 << AC_WINCTRL_WINTSEL_SHIFT)
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# define AC_WINCTRL_WINTSEL_ABOVE (0 << AC_WINCTRL_WINTSEL_SHIFT)
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# define AC_WINCTRL_WINTSEL_INSIDE (1 << AC_WINCTRL_WINTSEL_SHIFT)
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# define AC_WINCTRL_WINTSEL_BELOW (2 << AC_WINCTRL_WINTSEL_SHIFT)
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# define AC_WINCTRL_WINTSEL_OUTSIDE (3 << AC_WINCTRL_WINTSEL_SHIFT)
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/* Comparator Control Registers */
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#define AC_COMPCTRL_ENABLE (1 << 0) /* Bit 0: Enable Comparator */
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#define AC_COMPCTRL_SINGLE (1 << 1) /* Bit 1: Single Shot Mode */
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#define AC_COMPCTRL_SPEED_SHIFT (2)
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#define AC_COMPCTRL_SPEED_MASK (3 << AC_COMPCTRL_SPEED_SHIFT)
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# define AC_COMPCTRL_SPEED_LOW (0 << AC_COMPCTRL_SPEED_SHIFT)
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# define AC_COMPCTRL_SPEED_HIGH (1 << AC_COMPCTRL_SPEED_SHIFT)
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#define AC_COMPCTRL_INTSEL_SHIFT (5)
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#define AC_COMPCTRL_INTSEL_MASK (3 << AC_COMPCTRL_INTSEL_SHIFT)
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# define AC_COMPCTRL_INTSEL_TOGGLE (0 << AC_COMPCTRL_INTSEL_SHIFT)
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# define AC_COMPCTRL_INTSEL_RISING (1 << AC_COMPCTRL_INTSEL_SHIFT)
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# define AC_COMPCTRL_INTSEL_FALLING (2 << AC_COMPCTRL_INTSEL_SHIFT)
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# define AC_COMPCTRL_INTSEL_EOC (3 << AC_COMPCTRL_INTSEL_SHIFT)
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#define AC_COMPCTRL_MUXNEG_SHIFT (8)
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#define AC_COMPCTRL_MUXNEG_MASK (7 << AC_COMPCTRL_MUXNEG_SHIFT)
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# define AC_COMPCTRL_MUXNEG_PIN0 (0 << AC_COMPCTRL_MUXNEG_SHIFT)
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# define AC_COMPCTRL_MUXNEG_PIN1 (1 << AC_COMPCTRL_MUXNEG_SHIFT)
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# define AC_COMPCTRL_MUXNEG_PIN2 (2 << AC_COMPCTRL_MUXNEG_SHIFT)
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# define AC_COMPCTRL_MUXNEG_PIN3 (3 << AC_COMPCTRL_MUXNEG_SHIFT)
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# define AC_COMPCTRL_MUXNEG_GND (4 << AC_COMPCTRL_MUXNEG_SHIFT)
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# define AC_COMPCTRL_MUXNEG_VSCALE (5 << AC_COMPCTRL_MUXNEG_SHIFT)
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# define AC_COMPCTRL_MUXNEG_BANDGAP (6 << AC_COMPCTRL_MUXNEG_SHIFT)
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# define AC_COMPCTRL_MUXNEG_DAC (7 << AC_COMPCTRL_MUXNEG_SHIFT)
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#define AC_COMPCTRL_MUXPOS_SHIFT (12)
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#define AC_COMPCTRL_MUXPOS_MASK (3 << AC_COMPCTRL_MUXPOS_SHIFT)
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# define AC_COMPCTRL_MUXPOS_PIN0 (0 << AC_COMPCTRL_MUXPOS_SHIFT)
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# define AC_COMPCTRL_MUXPOS_PIN1 (1 << AC_COMPCTRL_MUXPOS_SHIFT)
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# define AC_COMPCTRL_MUXPOS_PIN2 (2 << AC_COMPCTRL_MUXPOS_SHIFT)
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# define AC_COMPCTRL_MUXPOS_PIN3 (3 << AC_COMPCTRL_MUXPOS_SHIFT)
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#define AC_COMPCTRL_SWAP (1 << 13) /* Bit 13: Swap Inputs and Invert */
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#define AC_COMPCTRL_OUT_SHIFT (16)
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#define AC_COMPCTRL_OUT_MASK (3 << AC_COMPCTRL_OUT_SHIFT)
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# define AC_COMPCTRL_OUT_OFF (0 << AC_COMPCTRL_OUT_SHIFT)
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# define AC_COMPCTRL_OUT_ASYNC (1 << AC_COMPCTRL_OUT_SHIFT)
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# define AC_COMPCTRL_OUT_SYNC (2 << AC_COMPCTRL_OUT_SHIFT)
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#define AC_COMPCTRL_HYST (1 << 19) /* Bit 19: Hysteresis Enable */
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#define AC_COMPCTRL_FLEN_SHIFT (24)
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#define AC_COMPCTRL_FLEN_MASK (7 << AC_COMPCTRL_FLEN_SHIFT)
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# define AC_COMPCTRL_FLEN_OFF (0 << AC_COMPCTRL_FLEN_SHIFT)
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# define AC_COMPCTRL_FLEN_MAJ3 (1 << AC_COMPCTRL_FLEN_SHIFT)
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# define AC_COMPCTRL_FLEN_MAJ5 (2 << AC_COMPCTRL_FLEN_SHIFT)
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/* Scaler Registers */
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#define AC_COMPCTRL_SCALER_MASK (0x3f)
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/********************************************************************************************
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* Public Types
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********************************************************************************************/
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/********************************************************************************************
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* Public Data
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********************************************************************************************/
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/********************************************************************************************
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* Public Functions
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********************************************************************************************/
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#endif /* CONFIG_ARCH_FAMILY_SAMD21 */
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#endif /* __ARCH_ARM_SRC_SAMDL_CHIP_SAMD_AC_H */
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177
arch/arm/src/samdl/sam_ac.c
Normal file
177
arch/arm/src/samdl/sam_ac.c
Normal file
@ -0,0 +1,177 @@
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/****************************************************************************
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* arch/arm/src/samdl/sam_ac.c
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*
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* Copyright (C) 2018 Gregory Nutt. All rights reserved.
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* Author: Matt Thompson <matt@extent3d.com>
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*
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* References:
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* 1. "Microchip SAM D21E / SAM D21G / SAM D21J Datasheet"
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <stdint.h>
|
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#include <stdbool.h>
|
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#include <assert.h>
|
||||
#include <errno.h>
|
||||
|
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#include "up_arch.h"
|
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|
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#include "sam_config.h"
|
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|
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#include "sam_pm.h"
|
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#include "sam_gclk.h"
|
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#include "sam_periphclks.h"
|
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#include "sam_ac.h"
|
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#include "sam_port.h"
|
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|
||||
#include <nuttx/irq.h>
|
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#include <nuttx/arch.h>
|
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#include <arch/irq.h>
|
||||
|
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#include <arch/board/board.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
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static int sam_ac_isr(int irq, FAR void *context, FAR void *arg)
|
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{
|
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return OK;
|
||||
}
|
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|
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static void sam_ac_syncwait(void)
|
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{
|
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while ((getreg8(SAM_AC_STATUSB) & AC_STATUSB_SYNCBUSY) != 0);
|
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}
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam_ac_initialize
|
||||
*
|
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* Description:
|
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* Initialize the Analog Comparator (AC).
|
||||
*
|
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* Input Parameters:
|
||||
* gclkgen - GCLK Generator
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
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int sam_ac_initialize(uint8_t gclkgen)
|
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{
|
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uint16_t regval;
|
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|
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sam_ac_enableperiph();
|
||||
|
||||
/* The Analog Comparators use two GCLKs */
|
||||
|
||||
/* Enable comparator digital GCLK which provides the sampling rate */
|
||||
|
||||
regval = GCLK_CLKCTRL_ID_ACDIG | GCLK_CLKCTRL_GEN(gclkgen) | GCLK_CLKCTRL_CLKEN;
|
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putreg16(regval, SAM_GCLK_CLKCTRL);
|
||||
|
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/* Enable comparator analog GCLK */
|
||||
|
||||
regval = GCLK_CLKCTRL_ID_ACANA | GCLK_CLKCTRL_GEN(gclkgen) | GCLK_CLKCTRL_CLKEN;
|
||||
putreg16(regval, SAM_GCLK_CLKCTRL);
|
||||
|
||||
putreg8(AC_CTRLA_ENABLE, SAM_AC_CTRLA);
|
||||
sam_ac_syncwait();
|
||||
|
||||
irq_attach(SAM_IRQ_AC, sam_ac_isr, NULL);
|
||||
|
||||
up_enable_irq(SAM_IRQ_AC);
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
||||
int sam_ac_config(uint8_t channel, uint32_t compctrl)
|
||||
{
|
||||
switch(channel)
|
||||
{
|
||||
case 0:
|
||||
putreg32(compctrl, SAM_AC_COMPCTRL0);
|
||||
break;
|
||||
case 1:
|
||||
putreg32(compctrl, SAM_AC_COMPCTRL1);
|
||||
break;
|
||||
default:
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
sam_ac_syncwait();
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
||||
int sam_ac_enable(uint8_t channel, bool enable)
|
||||
{
|
||||
uint32_t regval;
|
||||
switch(channel)
|
||||
{
|
||||
case 0:
|
||||
regval = getreg32(SAM_AC_COMPCTRL0);
|
||||
if(enable == true)
|
||||
regval |= AC_COMPCTRL_ENABLE;
|
||||
else
|
||||
regval &= ~AC_COMPCTRL_ENABLE;
|
||||
putreg32(regval, SAM_AC_COMPCTRL0);
|
||||
break;
|
||||
case 1:
|
||||
regval = getreg32(SAM_AC_COMPCTRL1);
|
||||
if(enable == true)
|
||||
regval |= AC_COMPCTRL_ENABLE;
|
||||
else
|
||||
regval &= ~AC_COMPCTRL_ENABLE;
|
||||
putreg32(regval, SAM_AC_COMPCTRL1);
|
||||
break;
|
||||
default:
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
sam_ac_syncwait();
|
||||
|
||||
return OK;
|
||||
}
|
||||
81
arch/arm/src/samdl/sam_ac.h
Normal file
81
arch/arm/src/samdl/sam_ac.h
Normal file
@ -0,0 +1,81 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/samdl/sam_ac.h
|
||||
*
|
||||
* Copyright (C) 2018 Gregory Nutt. All rights reserved.
|
||||
* Author: Matt Thompson <matt@extent3d.com>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ARCH_ARM_SRC_SAMDL_SAM_AC_H
|
||||
#define __ARCH_ARM_SRC_SAMDL_SAM_AC_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
#include "sam_config.h"
|
||||
#include "sam_port.h"
|
||||
|
||||
#if defined(CONFIG_ARCH_FAMILY_SAMD20) || defined(CONFIG_ARCH_FAMILY_SAMD21)
|
||||
# include "chip/samd_ac.h"
|
||||
#elif defined(CONFIG_ARCH_FAMILY_SAML21)
|
||||
# include "chip/saml_ac.h"
|
||||
#else
|
||||
# error Unrecognized SAMD/L architecture
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
int sam_ac_initialize(uint8_t gclkgen);
|
||||
int sam_ac_config(uint8_t channel, uint32_t compctrl);
|
||||
int sam_ac_enable(uint8_t channel, bool enable);
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
#endif /* __ARCH_ARM_SRC_SAMDL_SAM_AC_H */
|
||||
Loading…
Reference in New Issue
Block a user