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stm32l5: Enable SPI support and license clearing

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Since the original stm32l4 version of this code already has an ASF
license header do that for stm32l5, too.

Apply latest changes to stm32l4_spi.c to stm32l5_spi.c as well.

Update stm32l5/Kconfig to allow selection of SPI1/2/3.

Signed-off-by: Michael Jung <mijung@gmx.net>
This commit is contained in:
Michael Jung 2021-03-09 08:42:31 +01:00 committed by Xiang Xiao
parent aa66d91604
commit d397e90b9d
3 changed files with 58 additions and 73 deletions
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22
arch/arm/src/stm32l5/Kconfig
View File

@ -230,6 +230,10 @@ config STM32L5_HAVE_UART5
# These "hidden" settings are the OR of individual peripheral selections
# indicating that the general capability is required.
config STM32L5_SPI
bool
default n
config STM32L5_USART
bool
default n
@ -252,6 +256,18 @@ config STM32L5_RTC
bool "RTC"
default n
config STM32L5_SPI2
bool "SPI2"
default n
select SPI
select STM32L5_SPI
config STM32L5_SPI3
bool "SPI3"
default n
select SPI
select STM32L5_SPI
config STM32L5_LPUART1
bool "LPUART1"
default n
@ -293,6 +309,12 @@ config STM32L5_SYSCFG
bool "SYSCFG"
default y
config STM32L5_SPI1
bool "SPI1"
default n
select SPI
select STM32L5_SPI
config STM32L5_USART1
bool "USART1"
default n

65
arch/arm/src/stm32l5/stm32l5_spi.c
View File

@ -1,40 +1,20 @@
/*****************************************************************************
* arch/arm/src/stm32l5/stm32l5_spi.c
*
* Copyright (C) 2019 Gregory Nutt. All rights reserved.
* Author: Michael Jung <mijung@gmx.net>
* 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
*
* Based on arm/arm/src/stm32l4/stm32l4_spi.c
* http://www.apache.org/licenses/LICENSE-2.0
*
* Copyright (C) 2009-2013, 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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.
* 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.
*
*****************************************************************************/
@ -75,6 +55,7 @@
#include <nuttx/config.h>
#include <sys/types.h>
#include <inttypes.h>
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
@ -236,7 +217,7 @@ static void spi_setbits(FAR struct spi_dev_s *dev, int nbits);
static int spi_hwfeatures(FAR struct spi_dev_s *dev,
spi_hwfeatures_t features);
#endif
static uint16_t spi_send(FAR struct spi_dev_s *dev, uint16_t wd);
static uint32_t spi_send(FAR struct spi_dev_s *dev, uint32_t wd);
static void spi_exchange(FAR struct spi_dev_s *dev,
FAR const void *txbuffer,
FAR void *rxbuffer, size_t nwords);
@ -1080,7 +1061,7 @@ static uint32_t spi_setfrequency(FAR struct spi_dev_s *dev,
* be faster.
*/
spiinfo("Frequency %d->%d\n", frequency, actual);
spiinfo("Frequency %" PRId32 "->%" PRId32 "\n", frequency, actual);
priv->frequency = frequency;
priv->actual = actual;
@ -1306,11 +1287,11 @@ static int spi_hwfeatures(FAR struct spi_dev_s *dev,
*
*****************************************************************************/
static uint16_t spi_send(FAR struct spi_dev_s *dev, uint16_t wd)
static uint32_t spi_send(FAR struct spi_dev_s *dev, uint32_t wd)
{
FAR struct stm32l5_spidev_s *priv = (FAR struct stm32l5_spidev_s *)dev;
uint32_t regval;
uint16_t ret;
uint32_t ret;
DEBUGASSERT(priv && priv->spibase);
@ -1321,13 +1302,13 @@ static uint16_t spi_send(FAR struct spi_dev_s *dev, uint16_t wd)
if (spi_16bitmode(priv))
{
spi_writeword(priv, wd);
ret = spi_readword(priv);
spi_writeword(priv, (uint16_t)(wd & 0xffff));
ret = (uint32_t)spi_readword(priv);
}
else
{
spi_writebyte(priv, (uint8_t)(wd & 0xff));
ret = (uint16_t)spi_readbyte(priv);
ret = (uint32_t)spi_readbyte(priv);
}
/* Check and clear any error flags (Reading from the SR clears the error
@ -1338,11 +1319,13 @@ static uint16_t spi_send(FAR struct spi_dev_s *dev, uint16_t wd)
if (spi_16bitmode(priv))
{
spiinfo("Sent: %04x Return: %04x Status: %02x\n", wd, ret, regval);
spiinfo("Sent: %04" PRIx32 " Return: %04" PRIx32
" Status: %02" PRIx32 "\n", wd, ret, regval);
}
else
{
spiinfo("Sent: %02x Return: %02x Status: %02x\n", wd, ret, regval);
spiinfo("Sent: %02" PRIx32 " Return: %02" PRIx32
" Status: %02" PRIx32 "\n", wd, ret, regval);
}
UNUSED(regval);

44
arch/arm/src/stm32l5/stm32l5_spi.h
View File

@ -1,40 +1,20 @@
/*****************************************************************************
* arch/arm/src/stm32l5/stm32l5_spi.h
*
* Copyright (C) 2019 Gregory Nutt. All rights reserved.
* Author: Michael Jung <mijung@gmx.net>
* 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
*
* Based on arch/arm/src/stm32l4/stm32l4_spi.h
* http://www.apache.org/licenses/LICENSE-2.0
*
* Copyright (C) 2009, 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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.
* 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.
*
*****************************************************************************/