/**************************************************************************** * boards/arm/stm32/stm32f103-minimum/src/stm32_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 "stm32.h" #include "stm32f103_minimum.h" #include "stm32_spi.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #ifndef CONFIG_STM32_SPI1 # error "SD driver requires CONFIG_STM32_SPI1 to be enabled" #endif #ifdef CONFIG_DISABLE_MOUNTPOINT # error "SD driver requires CONFIG_DISABLE_MOUNTPOINT to be disabled" #endif /**************************************************************************** * Private Definitions ****************************************************************************/ static const int SD_SPI_PORT = 1; /* SD is connected to SPI1 port */ static const int SD_SLOT_NO = 0; /* There is only one SD slot */ /**************************************************************************** * Private Functions ****************************************************************************/ /* NOTE: We are using a SDCard adapter/module without Card Detect pin! * Then we don't need to Card Detect callback here. */ /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: stm32_spi1register * * Description: * Registers media change callback ****************************************************************************/ int stm32_spi1register(struct spi_dev_s *dev, spi_mediachange_t callback, void *arg) { spiinfo("INFO: Registering spi1 device\n"); return OK; } /**************************************************************************** * Name: stm32_mmcsd_initialize * * Description: * Initialize SPI-based SD card and card detect thread. ****************************************************************************/ int stm32_mmcsd_initialize(int minor) { struct spi_dev_s *spi; int rv; mcinfo("INFO: Initializing mmcsd card\n"); spi = stm32_spibus_initialize(SD_SPI_PORT); if (spi == NULL) { mcerr("ERROR: Failed to initialize SPI port %d\n", SD_SPI_PORT); return -ENODEV; } rv = mmcsd_spislotinitialize(minor, SD_SLOT_NO, spi); if (rv < 0) { mcerr("ERROR: Failed to bind SPI port %d to SD slot %d\n", SD_SPI_PORT, SD_SLOT_NO); return rv; } spiinfo("INFO: mmcsd card has been initialized successfully\n"); return OK; }