/**************************************************************************** * boards/arm/stm32/nucleo-l152re/src/stm32_spisd.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 "arm_internal.h" #include "chip.h" #include "stm32_spi.h" #include "stm32_gpio.h" #include #include "nucleo-l152re.h" #if defined(CONFIG_STM32_SPI1) /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #ifdef CONFIG_DISABLE_MOUNTPOINT #error "SD driver requires CONFIG_DISABLE_MOUNTPOINT to be disabled" #endif /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: * stm32_spi1register * * Description: * Registers media change callback ****************************************************************************/ int stm32_spi1register(struct spi_dev_s *dev, spi_mediachange_t callback, void *arg) { /* TODO: media change callback */ return OK; } /**************************************************************************** * Name: stm32_spisd_initialize * * Description: * Initialize SPI-based SD card and card detect thread. ****************************************************************************/ int stm32_spisd_initialize(int port, int minor) { struct spi_dev_s *spi; int rv; stm32_configgpio(GPIO_SPI1_SCK); stm32_configgpio(GPIO_SPI1_CS); /* Assign CS */ stm32_gpiowrite(GPIO_SPI1_CS, 1); /* Ensure the CS is inactive */ mcinfo("INFO: Initializing mmcsd port %d minor %d\n", port, minor); spi = stm32_spibus_initialize(port); if (spi == NULL) { mcerr("ERROR: Failed to initialize SPI port %d\n", port); return -ENODEV; } rv = mmcsd_spislotinitialize(minor, minor, spi); if (rv < 0) { mcerr("ERROR: Failed to bind SPI port %d to SD slot %d\n", port, minor); return rv; } spiinfo("INFO: mmcsd card has been initialized successfully\n"); return OK; } #endif /* CONFIG_STM32_SPI1 */