/**************************************************************************** * boards/xtensa/esp32/esp32-wrover-kit/src/esp32_mmcsd.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 #include #include #include #include #include #include #include #include "esp32_spi.h" #include "esp32-wrover-kit.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /**************************************************************************** * Private Definitions ****************************************************************************/ /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: esp32_mmcsd_initialize * * Description: * Initialize SPI-based SD card and card detect thread. ****************************************************************************/ int esp32_mmcsd_initialize(int minor) { struct spi_dev_s *spi; int rv; mcinfo("INFO: Initializing mmcsd card\n"); spi = esp32_spibus_initialize(CONFIG_NSH_MMCSDSPIPORTNO); if (spi == NULL) { mcerr("ERROR: Failed to initialize SPI port %d\n", 2); return -ENODEV; } rv = mmcsd_spislotinitialize(minor, 0, spi); if (rv < 0) { mcerr("ERROR: Failed to bind SPI port %d to SD slot %d\n", 2, 0); return rv; } spiinfo("INFO: mmcsd card has been initialized successfully\n"); return OK; }