diff options
Diffstat (limited to 'examples/host/src/msc_host_app.c')
| -rw-r--r-- | examples/host/src/msc_host_app.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/examples/host/src/msc_host_app.c b/examples/host/src/msc_host_app.c new file mode 100644 index 000000000..6faac68c3 --- /dev/null +++ b/examples/host/src/msc_host_app.c @@ -0,0 +1,182 @@ +/**************************************************************************/ +/*! + @file msc_host_app.c + @author hathach (tinyusb.org) + + @section LICENSE + + Software License Agreement (BSD License) + + Copyright (c) 2013, hathach (tinyusb.org) + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. Neither the name of the copyright holders nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + This file is part of the tinyusb stack. +*/ +/**************************************************************************/ + +//--------------------------------------------------------------------+ +// INCLUDE +//--------------------------------------------------------------------+ +#include "msc_host_app.h" +#include "app_os_prio.h" + +#if TUSB_CFG_HOST_MSC + +#include "msc_cli.h" +#include "ff.h" +#include "diskio.h" + +//--------------------------------------------------------------------+ +// MACRO CONSTANT TYPEDEF +//--------------------------------------------------------------------+ + +//--------------------------------------------------------------------+ +// INTERNAL OBJECT & FUNCTION DECLARATION +//--------------------------------------------------------------------+ +TUSB_CFG_ATTR_USBRAM static FATFS fatfs[TUSB_CFG_HOST_DEVICE_MAX]; + +//--------------------------------------------------------------------+ +// tinyusb callbacks +//--------------------------------------------------------------------+ +void tuh_msc_mounted_cb(uint8_t dev_addr) +{ + puts("\na MassStorage device is mounted"); + + //------------- Disk Information -------------// + // SCSI VendorID[8] & ProductID[16] from Inquiry Command + uint8_t const* p_vendor = tuh_msc_get_vendor_name(dev_addr); + uint8_t const* p_product = tuh_msc_get_product_name(dev_addr); + + for(uint8_t i=0; i<8; i++) putchar(p_vendor[i]); + + putchar(' '); + for(uint8_t i=0; i<16; i++) putchar(p_product[i]); + putchar('\n'); + + uint32_t last_lba, block_size; + tuh_msc_get_capacity(dev_addr, &last_lba, &block_size); + printf("Disk Size: %d MB\n", (last_lba+1)/ ((1024*1024)/block_size) ); + printf("LBA 0-0x%X Block Size: %d\n", last_lba, block_size); + + //------------- file system (only 1 LUN support) -------------// + uint8_t phy_disk = dev_addr-1; + disk_initialize(phy_disk); + + if ( disk_is_ready(phy_disk) ) + { + if ( f_mount(phy_disk, &fatfs[phy_disk]) != FR_OK ) + { + puts("mount failed"); + return; + } + + puts("---------------------------------------------------------------------"); + puts("- MASSSTORAGE CLASS CLI IS A IMMATURE CODE. DISK-WRITING COMMANDS"); + puts("- SUCH AS cp(COPY), mkdir(MAKE DIRECTORY) ARE POTENTIAL TO DAMAGE"); + puts("- YOUR USB THUMBDRIVE. USING THOSE COMMANDS ARE AT YOUR OWN RISK."); + puts("- THE AUTHOR HAS NO RESPONSIBILITY WITH YOUR DEVICE NOR ITS DATA"); + puts("---------------------------------------------------------------------"); + + f_chdrive(phy_disk); // change to newly mounted drive + f_chdir("/"); // root as current dir + + cli_init(); + } +} + +void tuh_msc_unmounted_cb(uint8_t dev_addr) +{ + puts("\na MassStorage device is unmounted"); + + uint8_t phy_disk = dev_addr-1; + + f_mount(phy_disk, NULL); // unmount disk + disk_deinitialize(phy_disk); + + if ( phy_disk == f_get_current_drive() ) + { // active drive is unplugged --> change to other drive + for(uint8_t i=0; i<TUSB_CFG_HOST_DEVICE_MAX; i++) + { + if ( disk_is_ready(i) ) + { + f_chdrive(i); + cli_init(); // refractor, rename + } + } + } +} + +// invoked ISR context +void tuh_msc_isr(uint8_t dev_addr, tusb_event_t event, uint32_t xferred_bytes) +{ + (void) dev_addr; + (void) event; + (void) xferred_bytes; +} + +//--------------------------------------------------------------------+ +// APPLICATION CODE +//--------------------------------------------------------------------+ +void msc_host_app_init(void) +{ + osal_task_create( msc_host_app_task, "msc", 512, NULL, MSC_APP_TASK_PRIO); + diskio_init(); +} + +//------------- main task -------------// +void msc_host_app_task(void* param) +{ + (void) param;; + + OSAL_TASK_BEGIN + + bool is_any_disk_mounted; + + osal_task_delay(10); + + is_any_disk_mounted = false; + + for(uint8_t phy_disk=0; phy_disk < TUSB_CFG_HOST_DEVICE_MAX; phy_disk++) + { + if ( disk_is_ready(phy_disk) ) + { + is_any_disk_mounted = true; + break; + } + } + + if ( is_any_disk_mounted ) + { + int ch = getchar(); + if ( ch > 0 ) + { + cli_poll( (char) ch); + } + } + + OSAL_TASK_END +} + +#endif |