* arch/arm/src/samd2l2/sam_usart.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 <stdint.h>
#include <assert.h>
#include "sam_pinmap.h"
#include "sam_gclk.h"
#include "sam_usart.h"
#include <arch/board/board.h>
* Pre-processor Definitions
****************************************************************************/
* Public Data
****************************************************************************/
#ifdef SAMD2L2_HAVE_USART0
const struct sam_usart_config_s g_usart0config =
{
.sercom = 0,
.parity = CONFIG_USART0_PARITY,
.bits = CONFIG_USART0_BITS,
.irq = SAM_IRQ_SERCOM0,
.gclkgen = BOARD_SERCOM0_GCLKGEN,
.slowgen = BOARD_SERCOM0_SLOW_GCLKGEN,
.stopbits2 = CONFIG_USART0_2STOP,
.baud = CONFIG_USART0_BAUD,
.pad0 = BOARD_SERCOM0_PINMAP_PAD0,
.pad1 = BOARD_SERCOM0_PINMAP_PAD1,
.pad2 = BOARD_SERCOM0_PINMAP_PAD2,
.pad3 = BOARD_SERCOM0_PINMAP_PAD3,
.muxconfig = BOARD_SERCOM0_MUXCONFIG,
.frequency = BOARD_SERCOM0_FREQUENCY,
.base = SAM_SERCOM0_BASE,
};
#endif
#ifdef SAMD2L2_HAVE_USART1
const struct sam_usart_config_s g_usart1config =
{
.sercom = 1,
.parity = CONFIG_USART1_PARITY,
.bits = CONFIG_USART1_BITS,
.irq = SAM_IRQ_SERCOM1,
.gclkgen = BOARD_SERCOM1_GCLKGEN,
.slowgen = BOARD_SERCOM1_SLOW_GCLKGEN,
.stopbits2 = CONFIG_USART1_2STOP,
.baud = CONFIG_USART1_BAUD,
.pad0 = BOARD_SERCOM1_PINMAP_PAD0,
.pad1 = BOARD_SERCOM1_PINMAP_PAD1,
.pad2 = BOARD_SERCOM1_PINMAP_PAD2,
.pad3 = BOARD_SERCOM1_PINMAP_PAD3,
.muxconfig = BOARD_SERCOM1_MUXCONFIG,
.frequency = BOARD_SERCOM1_FREQUENCY,
.base = SAM_SERCOM1_BASE,
};
#endif
#ifdef SAMD2L2_HAVE_USART2
const struct sam_usart_config_s g_usart2config =
{
.sercom = 2,
.parity = CONFIG_USART2_PARITY,
.bits = CONFIG_USART2_BITS,
.irq = SAM_IRQ_SERCOM2,
.gclkgen = BOARD_SERCOM2_GCLKGEN,
.slowgen = BOARD_SERCOM2_SLOW_GCLKGEN,
.stopbits2 = CONFIG_USART2_2STOP,
.baud = CONFIG_USART2_BAUD,
.pad0 = BOARD_SERCOM2_PINMAP_PAD0,
.pad1 = BOARD_SERCOM2_PINMAP_PAD1,
.pad2 = BOARD_SERCOM2_PINMAP_PAD2,
.pad3 = BOARD_SERCOM2_PINMAP_PAD3,
.muxconfig = BOARD_SERCOM2_MUXCONFIG,
.frequency = BOARD_SERCOM2_FREQUENCY,
.base = SAM_SERCOM2_BASE,
};
#endif
#ifdef SAMD2L2_HAVE_USART3
const struct sam_usart_config_s g_usart3config =
{
.sercom = 3,
.parity = CONFIG_USART3_PARITY,
.bits = CONFIG_USART3_BITS,
.irq = SAM_IRQ_SERCOM3,
.gclkgen = BOARD_SERCOM3_GCLKGEN,
.slowgen = BOARD_SERCOM3_SLOW_GCLKGEN,
.stopbits2 = CONFIG_USART3_2STOP,
.baud = CONFIG_USART3_BAUD,
.pad0 = BOARD_SERCOM3_PINMAP_PAD0,
.pad1 = BOARD_SERCOM3_PINMAP_PAD1,
.pad2 = BOARD_SERCOM3_PINMAP_PAD2,
.pad3 = BOARD_SERCOM3_PINMAP_PAD3,
.muxconfig = BOARD_SERCOM3_MUXCONFIG,
.frequency = BOARD_SERCOM3_FREQUENCY,
.base = SAM_SERCOM3_BASE,
};
#endif
#ifdef SAMD2L2_HAVE_USART4
const struct sam_usart_config_s g_usart4config =
{
.sercom = 4,
.parity = CONFIG_USART4_PARITY,
.bits = CONFIG_USART4_BITS,
.irq = SAM_IRQ_SERCOM4,
.gclkgen = BOARD_SERCOM4_GCLKGEN,
.slowgen = BOARD_SERCOM4_SLOW_GCLKGEN,
.stopbits2 = CONFIG_USART4_2STOP,
.baud = CONFIG_USART4_BAUD,
.pad0 = BOARD_SERCOM4_PINMAP_PAD0,
.pad1 = BOARD_SERCOM4_PINMAP_PAD1,
.pad2 = BOARD_SERCOM4_PINMAP_PAD2,
.pad3 = BOARD_SERCOM4_PINMAP_PAD3,
.muxconfig = BOARD_SERCOM4_MUXCONFIG,
.frequency = BOARD_SERCOM4_FREQUENCY,
.base = SAM_SERCOM4_BASE,
};
#endif
#ifdef SAMD2L2_HAVE_USART5
const struct sam_usart_config_s g_usart5config =
{
.sercom = 5,
.parity = CONFIG_USART5_PARITY,
.bits = CONFIG_USART5_BITS,
.irq = SAM_IRQ_SERCOM5,
.gclkgen = BOARD_SERCOM5_GCLKGEN,
.slowgen = BOARD_SERCOM5_SLOW_GCLKGEN,
.stopbits2 = CONFIG_USART5_2STOP,
.baud = CONFIG_USART5_BAUD,
.pad0 = BOARD_SERCOM5_PINMAP_PAD0,
.pad1 = BOARD_SERCOM5_PINMAP_PAD1,
.pad2 = BOARD_SERCOM5_PINMAP_PAD2,
.pad3 = BOARD_SERCOM5_PINMAP_PAD3,
.muxconfig = BOARD_SERCOM5_MUXCONFIG,
.frequency = BOARD_SERCOM5_FREQUENCY,
.base = SAM_SERCOM5_BASE,
};
#endif
const struct sam_usart_config_s *g_usartconfig[SAMD2L2_NSERCOM] =
{
#if SAMD2L2_NSERCOM > 0
#ifdef SAMD2L2_HAVE_USART0
&g_usart0config,
#else
(const struct sam_usart_config_s *)0,
#endif
#endif
#if SAMD2L2_NSERCOM > 1
#ifdef SAMD2L2_HAVE_USART1
&g_usart1config,
#else
(const struct sam_usart_config_s *)0,
#endif
#endif
#if SAMD2L2_NSERCOM > 2
#ifdef SAMD2L2_HAVE_USART2
&g_usart2config,
#else
(const struct sam_usart_config_s *)0,
#endif
#endif
#if SAMD2L2_NSERCOM > 3
#ifdef SAMD2L2_HAVE_USART3
&g_usart3config,
#else
(const struct sam_usart_config_s *)0,
#endif
#endif
#if SAMD2L2_NSERCOM > 4
#ifdef SAMD2L2_HAVE_USART4
&g_usart4config,
#else
(const struct sam_usart_config_s *)0,
#endif
#endif
#if SAMD2L2_NSERCOM > 5
#ifdef SAMD2L2_HAVE_USART5
&g_usart5config,
#else
(const struct sam_usart_config_s *)0,
#endif
#endif
};
* Private Functions
****************************************************************************/
* Public Functions
****************************************************************************/