/* * File : mtd_nor.c * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2012, Shanghai Real-Thread Technology Co., Ltd * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rt-thread.org/license/LICENSE * * Change Logs: * Date Author Notes * 2012-5-30 Bernard the first version */ #include #ifdef RT_USING_MTD_NOR /** * RT-Thread Generic Device Interface */ static rt_err_t _mtd_init(rt_device_t dev) { return RT_EOK; } static rt_err_t _mtd_open(rt_device_t dev, rt_uint16_t oflag) { return RT_EOK; } static rt_err_t _mtd_close(rt_device_t dev) { return RT_EOK; } static rt_size_t _mtd_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size) { return size; } static rt_size_t _mtd_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size) { return size; } static rt_err_t _mtd_control(rt_device_t dev, rt_uint8_t cmd, void *args) { return RT_EOK; } rt_err_t rt_mtd_nor_register_device(const char *name, struct rt_mtd_nor_device *device) { rt_device_t dev; dev = RT_DEVICE(device); RT_ASSERT(dev != RT_NULL); /* set device class and generic device interface */ dev->type = RT_Device_Class_MTD; dev->init = _mtd_init; dev->open = _mtd_open; dev->read = _mtd_read; dev->write = _mtd_write; dev->close = _mtd_close; dev->control = _mtd_control; dev->rx_indicate = RT_NULL; dev->tx_complete = RT_NULL; /* register to RT-Thread device system */ return rt_device_register(dev, name, RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE); } #endif