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FelipeMdeOxiaoxiang781216
FelipeMdeO
authored and
xiaoxiang781216
committed
Add spi slave dev to esp32 xtensa
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4 files changed

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4 files changed

+175
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lines changed

‎boards/xtensa/esp32/common/include/esp32_board_spislavedev.h

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/****************************************************************************
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* boards/xtensa/esp32/common/include/esp32_board_spislavedev.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BOARD_SPISLAVEDEV_H
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#define __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BOARD_SPISLAVEDEV_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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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__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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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: board_spislavedev_initialize
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*
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* Description:
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* Initialize SPI Slave driver and register the /dev/spislv device.
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*
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* Input Parameters:
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* bus - The SPI bus number, used to build the device path as /dev/spislvN
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*
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* Returned Value:
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* Zero (OK) is returned on success; A negated errno value is returned
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* to indicate the nature of any failure.
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*
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****************************************************************************/
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#ifdef CONFIG_SPI_SLAVE
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int board_spislavedev_initialize(int bus);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BOARD_SPISLAVEDEV_H */

‎boards/xtensa/esp32/common/src/Make.defs

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@@ -64,6 +64,10 @@ ifeq ($(CONFIG_SPI_DRIVER),y)
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CSRCS += esp32_board_spidev.c
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endif
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ifeq ($(CONFIG_SPI_SLAVE_DRIVER),y)
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CSRCS += esp32_board_spislavedev.c
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endif
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ifeq ($(CONFIG_ESP32_SPIFLASH),y)
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CSRCS += esp32_board_spiflash.c
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endif

‎boards/xtensa/esp32/common/src/esp32_board_spislavedev.c

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/****************************************************************************
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* boards/xtensa/esp32/common/src/esp32_board_spislavedev.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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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 <stdio.h>
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#include <debug.h>
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#include <errno.h>
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#include <nuttx/spi/slave.h>
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#include "esp32_spi.h"
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#include "esp32_board_spislavedev.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_spislavedev_initialize
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*
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* Description:
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* Initialize SPI Slave driver and register the /dev/spislv device.
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*
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* Input Parameters:
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* bus - The SPI bus number, used to build the device path as /dev/spislvN
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*
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* Returned Value:
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* Zero (OK) is returned on success; A negated errno value is returned
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* to indicate the nature of any failure.
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*
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****************************************************************************/
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int board_spislavedev_initialize(int bus)
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{
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int ret;
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struct spi_slave_ctrlr_s *ctrlr;
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spiinfo("Initializing /dev/spislv%d...\n", bus);
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/* Initialize SPI Slave controller device */
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ctrlr = esp32_spislv_ctrlr_initialize(bus);
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if (ctrlr == NULL)
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{
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spierr("Failed to initialize SPI%d as slave.\n", bus);
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return -ENODEV;
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}
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ret = spi_slave_register(ctrlr, bus);
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if (ret < 0)
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{
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spierr("Failed to register /dev/spislv%d: %d\n", bus, ret);
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esp32_spislv_ctrlr_uninitialize(ctrlr);
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}
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return ret;
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}

‎boards/xtensa/esp32/esp32-devkitc/src/esp32_bringup.c

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@@ -153,6 +153,11 @@
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# include "esp32_spi.h"
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#endif
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#ifdef CONFIG_SPI_SLAVE_DRIVER
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# include "esp32_spi.h"
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# include "esp32_board_spislavedev.h"
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#endif
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#ifdef CONFIG_LCD_BACKPACK
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# include "esp32_lcd_backpack.h"
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#endif
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}
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#endif
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#ifdef CONFIG_SPI_DRIVER
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# ifdef CONFIG_ESP32_SPI2
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#if defined(CONFIG_ESP32_SPI2) && defined(CONFIG_SPI_DRIVER)
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ret = board_spidev_initialize(ESP32_SPI2);
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if (ret < 0)
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{
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syslog(LOG_ERR, "Failed to initialize SPI%d driver: %d\n",
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ESP32_SPI2, ret);
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}
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# endif
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#endif
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# if defined(CONFIG_ESP32_SPI2) && defined(CONFIG_SPI_SLAVE_DRIVER)
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ret = board_spislavedev_initialize(ESP32_SPI2);
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if (ret < 0)
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{
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syslog(LOG_ERR, "Failed to initialize SPI%d Slave driver: %d\n",
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ESP32_SPI2, ret);
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}
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#endif
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#ifdef CONFIG_WS2812

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