espressif_tinyusb/examples/host/msc_file_explorer/src/msc_app.c

172 lines
4.8 KiB
C

/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#include "tusb.h"
#define EMBEDDED_CLI_IMPL
#include "embedded_cli.h" // lib/embedded-cli
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
//--------------------------------------------------------------------+
// embedded cli configuration
#define CLI_BUFFER_SIZE 256
#define CLI_RX_BUFFER_SIZE 16
#define CLI_CMD_BUFFER_SIZE 32
#define CLI_HISTORY_SIZE 32
#define CLI_BINDING_COUNT 3
static EmbeddedCli *_cli;
static CLI_UINT cli_buffer[BYTES_TO_CLI_UINTS(CLI_BUFFER_SIZE)];
static scsi_inquiry_resp_t inquiry_resp;
//--------------------------------------------------------------------+
//
//--------------------------------------------------------------------+
void cli_write_char(EmbeddedCli *cli, char c)
{
(void) cli;
putchar((int) c);
}
void cli_cmd_unknown(EmbeddedCli *cli, CliCommand *command)
{
(void) cli;
printf("Unknown commands: %s\r\n", command->name);
}
bool msc_app_init(void)
{
// disable stdout buffered for echoing typing command
setbuf(stdout, NULL);
EmbeddedCliConfig *config = embeddedCliDefaultConfig();
config->cliBuffer = cli_buffer;
config->cliBufferSize = CLI_BUFFER_SIZE;
config->rxBufferSize = CLI_RX_BUFFER_SIZE;
config->cmdBufferSize = CLI_CMD_BUFFER_SIZE;
config->historyBufferSize = CLI_HISTORY_SIZE;
config->maxBindingCount = CLI_BINDING_COUNT;
_cli = embeddedCliNew(config);
TU_ASSERT(_cli != NULL);
_cli->writeChar = cli_write_char;
return true;
}
void msc_app_task(void)
{
if (!_cli) return;
int ch;
while( (ch = getchar()) > 0 )
{
embeddedCliReceiveChar(_cli, (char) ch);
}
embeddedCliProcess(_cli);
}
//--------------------------------------------------------------------+
//
//--------------------------------------------------------------------+
bool inquiry_complete_cb(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw)
{
if (csw->status != 0)
{
printf("Inquiry failed\r\n");
return false;
}
// Print out Vendor ID, Product ID and Rev
printf("%.8s %.16s rev %.4s\r\n", inquiry_resp.vendor_id, inquiry_resp.product_id, inquiry_resp.product_rev);
// Get capacity of device
uint32_t const block_count = tuh_msc_get_block_count(dev_addr, cbw->lun);
uint32_t const block_size = tuh_msc_get_block_size(dev_addr, cbw->lun);
printf("Disk Size: %lu MB\r\n", block_count / ((1024*1024)/block_size));
printf("Block Count = %lu, Block Size: %lu\r\n", block_count, block_size);
return true;
}
//------------- IMPLEMENTATION -------------//
void tuh_msc_mount_cb(uint8_t dev_addr)
{
printf("A MassStorage device is mounted\r\n");
uint8_t const lun = 0;
tuh_msc_inquiry(dev_addr, lun, &inquiry_resp, inquiry_complete_cb);
//
// //------------- 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;
// }
//
// f_chdrive(phy_disk); // change to newly mounted drive
// f_chdir("/"); // root as current dir
//
// cli_init();
// }
}
void tuh_msc_umount_cb(uint8_t dev_addr)
{
(void) dev_addr;
printf("A MassStorage device is unmounted\r\n");
// 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<CFG_TUH_DEVICE_MAX; i++)
// {
// if ( disk_is_ready(i) )
// {
// f_chdrive(i);
// cli_init(); // refractor, rename
// }
// }
// }
}