able to read fatfs
This commit is contained in:
hathach
parent
697612b117
commit
271c4032e1
5 changed files with 238 additions and 332 deletions
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@ -10,7 +10,7 @@ pico_sdk_init()
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add_executable(${PROJECT}
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src/main.c
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src/msc_disk.c
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src/flash.c
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src/usb_descriptors.c
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)
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84
src/flash.c
Normal file
84
src/flash.c
Normal file
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@ -0,0 +1,84 @@
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2021, Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#include "pico/stdlib.h"
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#include "hardware/flash.h"
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//--------------------------------------------------------------------+
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// MACRO TYPEDEF CONSTANT ENUM DECLARATION
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//--------------------------------------------------------------------+
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#define FLASH_CACHE_SIZE (4*1024)
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#define FLASH_CACHE_INVALID_ADDR 0xffffffff
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static uint32_t _fl_addr = FLASH_CACHE_INVALID_ADDR;
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static uint8_t _fl_buf[FLASH_CACHE_SIZE] __attribute__((aligned(4)));
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//------------- IMPLEMENTATION -------------//
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void flash_read(uint32_t addr, void* buffer, uint32_t len)
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{
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memcpy(buffer, XIP_BASE+addr, len);
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}
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#if 0
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void flash_flush(void)
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{
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if ( _fl_addr == FLASH_CACHE_INVALID_ADDR ) return;
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//printf("Erase and Write at 0x%08X", _fl_addr);
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// Check if contents already matched
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if ( 0 != memcmp(_fl_buf, verify_buf, verify_sz) )
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{
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esp_partition_erase_range(_part_ota0, _fl_addr, FLASH_CACHE_SIZE);
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esp_partition_write(_part_ota0, _fl_addr, _fl_buf, FLASH_CACHE_SIZE);
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}
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// skip erase & write if content already matches
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if ( !content_matches )
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{
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esp_partition_erase_range(_part_ota0, _fl_addr, FLASH_CACHE_SIZE);
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esp_partition_write(_part_ota0, _fl_addr, _fl_buf, FLASH_CACHE_SIZE);
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}
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_fl_addr = FLASH_CACHE_INVALID_ADDR;
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}
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void flash_write (uint32_t addr, void const *data, uint32_t len)
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{
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uint32_t new_addr = addr & ~(FLASH_CACHE_SIZE - 1);
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if ( new_addr != _fl_addr )
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{
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flash_flush();
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_fl_addr = new_addr;
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flash_read(new_addr, _fl_buf, FLASH_CACHE_SIZE);
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}
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memcpy(_fl_buf + (addr & (FLASH_CACHE_SIZE - 1)), data, len);
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}
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#endif
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146
src/main.c
146
src/main.c
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@ -34,6 +34,25 @@
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// MACRO CONSTANT TYPEDEF PROTYPES
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//--------------------------------------------------------------------+
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#define FATFS_OFFSET (1 * 1024 * 1024)
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#define FATFS_START_ADDR (XIP_BASE + FATFS_OFFSET)
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#ifndef FATFS_SIZE
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#define FATFS_SIZE (PICO_FLASH_SIZE_BYTES - FATFS_OFFSET)
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#endif
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enum
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{
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BLOCK_SIZE = 512,
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BLOCK_NUM = FATFS_SIZE / 512
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};
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// protoypes from flash.c
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void flash_read(uint32_t addr, void* buffer, uint32_t len);
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//--------------------------------------------------------------------+
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//
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//--------------------------------------------------------------------+
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int main(void)
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{
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@ -67,3 +86,130 @@ void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts)
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if ( coding.bit_rate == 1200 ) reset_usb_boot(0,0);
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}
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}
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//--------------------------------------------------------------------+
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// MSC
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//--------------------------------------------------------------------+
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// Callback invoked when received READ10 command.
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// Copy disk's data to buffer (up to bufsize) and return number of copied bytes.
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int32_t tud_msc_read10_cb(uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
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{
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(void) lun;
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flash_read(FATFS_OFFSET + lba*BLOCK_SIZE + offset, buffer, bufsize);
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return bufsize;
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}
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// Callback invoked when received WRITE10 command.
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// Process data in buffer to disk's storage and return number of written bytes
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int32_t tud_msc_write10_cb(uint8_t lun, uint32_t lba, uint32_t offset, uint8_t* buffer, uint32_t bufsize)
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{
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(void) lun;
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(void) lba; (void) offset; (void) buffer;
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// uint8_t* addr = msc_disk[lba] + offset;
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// memcpy(addr, buffer, bufsize);
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return bufsize;
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}
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// Invoked when received SCSI_CMD_INQUIRY
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// Application fill vendor id, product id and revision with string up to 8, 16, 4 characters respectively
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void tud_msc_inquiry_cb(uint8_t lun, uint8_t vendor_id[8], uint8_t product_id[16], uint8_t product_rev[4])
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{
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(void) lun;
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const char vid[] = "TinyUSB";
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const char pid[] = "Mass Storage";
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const char rev[] = "1.0";
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memcpy(vendor_id , vid, strlen(vid));
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memcpy(product_id , pid, strlen(pid));
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memcpy(product_rev, rev, strlen(rev));
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}
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// Invoked when received Test Unit Ready command.
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// return true allowing host to read/write this LUN e.g SD card inserted
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bool tud_msc_test_unit_ready_cb(uint8_t lun)
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{
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(void) lun;
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return true;
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}
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// Invoked when received SCSI_CMD_READ_CAPACITY_10 and SCSI_CMD_READ_FORMAT_CAPACITY to determine the disk size
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// Application update block count and block size
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void tud_msc_capacity_cb(uint8_t lun, uint32_t* block_count, uint16_t* block_size)
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{
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(void) lun;
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*block_count = BLOCK_NUM;
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*block_size = BLOCK_SIZE;
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}
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// Invoked when received Start Stop Unit command
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// - Start = 0 : stopped power mode, if load_eject = 1 : unload disk storage
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// - Start = 1 : active mode, if load_eject = 1 : load disk storage
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bool tud_msc_start_stop_cb(uint8_t lun, uint8_t power_condition, bool start, bool load_eject)
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{
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(void) lun;
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(void) power_condition;
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if ( load_eject )
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{
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if (start)
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{
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// load disk storage
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}else
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{
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// unload disk storage
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}
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}
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return true;
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}
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// Callback invoked when received an SCSI command not in built-in list below
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// - READ_CAPACITY10, READ_FORMAT_CAPACITY, INQUIRY, MODE_SENSE6, REQUEST_SENSE
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// - READ10 and WRITE10 has their own callbacks
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int32_t tud_msc_scsi_cb (uint8_t lun, uint8_t const scsi_cmd[16], void* buffer, uint16_t bufsize)
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{
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// read10 & write10 has their own callback and MUST not be handled here
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void const* response = NULL;
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uint16_t resplen = 0;
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// most scsi handled is input
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bool in_xfer = true;
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switch (scsi_cmd[0])
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{
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case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
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// Host is about to read/write etc ... better not to disconnect disk
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resplen = 0;
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break;
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default:
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// Set Sense = Invalid Command Operation
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tud_msc_set_sense(lun, SCSI_SENSE_ILLEGAL_REQUEST, 0x20, 0x00);
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// negative means error -> tinyusb could stall and/or response with failed status
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resplen = -1;
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break;
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}
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// return resplen must not larger than bufsize
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if ( resplen > bufsize ) resplen = bufsize;
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if ( response && (resplen > 0) )
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{
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if(in_xfer)
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{
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memcpy(buffer, response, resplen);
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}else
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{
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// SCSI output
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}
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}
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return resplen;
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}
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258
src/msc_disk.c
258
src/msc_disk.c
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@ -1,258 +0,0 @@
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#include "tusb.h"
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#if CFG_TUD_MSC
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// whether host does safe-eject
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static bool ejected = false;
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// Some MCU doesn't have enough 8KB SRAM to store the whole disk
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// We will use Flash as read-only disk with board that has
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// CFG_EXAMPLE_MSC_READONLY defined
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#define README_CONTENTS \
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"This is tinyusb's MassStorage Class demo.\r\n\r\n\
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If you find any bugs or get any questions, feel free to file an\r\n\
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issue at github.com/hathach/tinyusb"
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enum
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{
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DISK_BLOCK_NUM = 16, // 8KB is the smallest size that windows allow to mount
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DISK_BLOCK_SIZE = 512
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};
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#ifdef CFG_EXAMPLE_MSC_READONLY
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const
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#endif
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uint8_t msc_disk[DISK_BLOCK_NUM][DISK_BLOCK_SIZE] =
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{
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//------------- Block0: Boot Sector -------------//
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// byte_per_sector = DISK_BLOCK_SIZE; fat12_sector_num_16 = DISK_BLOCK_NUM;
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// sector_per_cluster = 1; reserved_sectors = 1;
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// fat_num = 1; fat12_root_entry_num = 16;
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// sector_per_fat = 1; sector_per_track = 1; head_num = 1; hidden_sectors = 0;
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// drive_number = 0x80; media_type = 0xf8; extended_boot_signature = 0x29;
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// filesystem_type = "FAT12 "; volume_serial_number = 0x1234; volume_label = "TinyUSB MSC";
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// FAT magic code at offset 510-511
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{
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0xEB, 0x3C, 0x90, 0x4D, 0x53, 0x44, 0x4F, 0x53, 0x35, 0x2E, 0x30, 0x00, 0x02, 0x01, 0x01, 0x00,
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0x01, 0x10, 0x00, 0x10, 0x00, 0xF8, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x29, 0x34, 0x12, 0x00, 0x00, 'T' , 'i' , 'n' , 'y' , 'U' ,
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'S' , 'B' , ' ' , 'M' , 'S' , 'C' , 0x46, 0x41, 0x54, 0x31, 0x32, 0x20, 0x20, 0x20, 0x00, 0x00,
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// Zero up to 2 last bytes of FAT magic code
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0xAA
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},
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//------------- Block1: FAT12 Table -------------//
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{
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0xF8, 0xFF, 0xFF, 0xFF, 0x0F // // first 2 entries must be F8FF, third entry is cluster end of readme file
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},
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//------------- Block2: Root Directory -------------//
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{
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// first entry is volume label
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'T' , 'i' , 'n' , 'y' , 'U' , 'S' , 'B' , ' ' , 'M' , 'S' , 'C' , 0x08, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4F, 0x6D, 0x65, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
// second entry is readme file
|
||||
'R' , 'E' , 'A' , 'D' , 'M' , 'E' , ' ' , ' ' , 'T' , 'X' , 'T' , 0x20, 0x00, 0xC6, 0x52, 0x6D,
|
||||
0x65, 0x43, 0x65, 0x43, 0x00, 0x00, 0x88, 0x6D, 0x65, 0x43, 0x02, 0x00,
|
||||
sizeof(README_CONTENTS)-1, 0x00, 0x00, 0x00 // readme's files size (4 Bytes)
|
||||
},
|
||||
|
||||
//------------- Block3: Readme Content -------------//
|
||||
README_CONTENTS
|
||||
};
|
||||
|
||||
// Invoked when received SCSI_CMD_INQUIRY
|
||||
// Application fill vendor id, product id and revision with string up to 8, 16, 4 characters respectively
|
||||
void tud_msc_inquiry_cb(uint8_t lun, uint8_t vendor_id[8], uint8_t product_id[16], uint8_t product_rev[4])
|
||||
{
|
||||
(void) lun;
|
||||
|
||||
const char vid[] = "TinyUSB";
|
||||
const char pid[] = "Mass Storage";
|
||||
const char rev[] = "1.0";
|
||||
|
||||
memcpy(vendor_id , vid, strlen(vid));
|
||||
memcpy(product_id , pid, strlen(pid));
|
||||
memcpy(product_rev, rev, strlen(rev));
|
||||
}
|
||||
|
||||
// Invoked when received Test Unit Ready command.
|
||||
// return true allowing host to read/write this LUN e.g SD card inserted
|
||||
bool tud_msc_test_unit_ready_cb(uint8_t lun)
|
||||
{
|
||||
(void) lun;
|
||||
|
||||
// RAM disk is ready until ejected
|
||||
if (ejected) {
|
||||
tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x3a, 0x00);
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// Invoked when received SCSI_CMD_READ_CAPACITY_10 and SCSI_CMD_READ_FORMAT_CAPACITY to determine the disk size
|
||||
// Application update block count and block size
|
||||
void tud_msc_capacity_cb(uint8_t lun, uint32_t* block_count, uint16_t* block_size)
|
||||
{
|
||||
(void) lun;
|
||||
|
||||
*block_count = DISK_BLOCK_NUM;
|
||||
*block_size = DISK_BLOCK_SIZE;
|
||||
}
|
||||
|
||||
// Invoked when received Start Stop Unit command
|
||||
// - Start = 0 : stopped power mode, if load_eject = 1 : unload disk storage
|
||||
// - Start = 1 : active mode, if load_eject = 1 : load disk storage
|
||||
bool tud_msc_start_stop_cb(uint8_t lun, uint8_t power_condition, bool start, bool load_eject)
|
||||
{
|
||||
(void) lun;
|
||||
(void) power_condition;
|
||||
|
||||
if ( load_eject )
|
||||
{
|
||||
if (start)
|
||||
{
|
||||
// load disk storage
|
||||
}else
|
||||
{
|
||||
// unload disk storage
|
||||
ejected = true;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// Callback invoked when received READ10 command.
|
||||
// Copy disk's data to buffer (up to bufsize) and return number of copied bytes.
|
||||
int32_t tud_msc_read10_cb(uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
|
||||
{
|
||||
(void) lun;
|
||||
|
||||
uint8_t const* addr = msc_disk[lba] + offset;
|
||||
memcpy(buffer, addr, bufsize);
|
||||
|
||||
return bufsize;
|
||||
}
|
||||
|
||||
// Callback invoked when received WRITE10 command.
|
||||
// Process data in buffer to disk's storage and return number of written bytes
|
||||
int32_t tud_msc_write10_cb(uint8_t lun, uint32_t lba, uint32_t offset, uint8_t* buffer, uint32_t bufsize)
|
||||
{
|
||||
(void) lun;
|
||||
|
||||
#ifndef CFG_EXAMPLE_MSC_READONLY
|
||||
uint8_t* addr = msc_disk[lba] + offset;
|
||||
memcpy(addr, buffer, bufsize);
|
||||
#else
|
||||
(void) lba; (void) offset; (void) buffer;
|
||||
#endif
|
||||
|
||||
return bufsize;
|
||||
}
|
||||
|
||||
// Callback invoked when received an SCSI command not in built-in list below
|
||||
// - READ_CAPACITY10, READ_FORMAT_CAPACITY, INQUIRY, MODE_SENSE6, REQUEST_SENSE
|
||||
// - READ10 and WRITE10 has their own callbacks
|
||||
int32_t tud_msc_scsi_cb (uint8_t lun, uint8_t const scsi_cmd[16], void* buffer, uint16_t bufsize)
|
||||
{
|
||||
// read10 & write10 has their own callback and MUST not be handled here
|
||||
|
||||
void const* response = NULL;
|
||||
uint16_t resplen = 0;
|
||||
|
||||
// most scsi handled is input
|
||||
bool in_xfer = true;
|
||||
|
||||
switch (scsi_cmd[0])
|
||||
{
|
||||
case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
|
||||
// Host is about to read/write etc ... better not to disconnect disk
|
||||
resplen = 0;
|
||||
break;
|
||||
|
||||
default:
|
||||
// Set Sense = Invalid Command Operation
|
||||
tud_msc_set_sense(lun, SCSI_SENSE_ILLEGAL_REQUEST, 0x20, 0x00);
|
||||
|
||||
// negative means error -> tinyusb could stall and/or response with failed status
|
||||
resplen = -1;
|
||||
break;
|
||||
}
|
||||
|
||||
// return resplen must not larger than bufsize
|
||||
if ( resplen > bufsize ) resplen = bufsize;
|
||||
|
||||
if ( response && (resplen > 0) )
|
||||
{
|
||||
if(in_xfer)
|
||||
{
|
||||
memcpy(buffer, response, resplen);
|
||||
}else
|
||||
{
|
||||
// SCSI output
|
||||
}
|
||||
}
|
||||
|
||||
return resplen;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -25,16 +25,6 @@
|
|||
|
||||
#include "tusb.h"
|
||||
|
||||
/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
|
||||
* Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
|
||||
*
|
||||
* Auto ProductID layout's Bitmap:
|
||||
* [MSB] HID | MSC | CDC [LSB]
|
||||
*/
|
||||
#define _PID_MAP(itf, n) ( (CFG_TUD_##itf) << (n) )
|
||||
#define USB_PID (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
|
||||
_PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// Device Descriptors
|
||||
//--------------------------------------------------------------------+
|
||||
|
|
@ -53,7 +43,7 @@ tusb_desc_device_t const desc_device =
|
|||
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
|
||||
|
||||
.idVendor = 0xCafe,
|
||||
.idProduct = USB_PID,
|
||||
.idProduct = 0xf00d,
|
||||
.bcdDevice = 0x0100,
|
||||
|
||||
.iManufacturer = 0x01,
|
||||
|
|
@ -82,49 +72,14 @@ enum
|
|||
ITF_NUM_TOTAL
|
||||
};
|
||||
|
||||
#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_CDC_DESC_LEN + TUD_MSC_DESC_LEN)
|
||||
#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_CDC_DESC_LEN + TUD_MSC_DESC_LEN)
|
||||
|
||||
#if CFG_TUSB_MCU == OPT_MCU_LPC175X_6X || CFG_TUSB_MCU == OPT_MCU_LPC177X_8X || CFG_TUSB_MCU == OPT_MCU_LPC40XX
|
||||
// LPC 17xx and 40xx endpoint type (bulk/interrupt/iso) are fixed by its number
|
||||
// 0 control, 1 In, 2 Bulk, 3 Iso, 4 In, 5 Bulk etc ...
|
||||
#define EPNUM_CDC_NOTIF 0x81
|
||||
#define EPNUM_CDC_OUT 0x02
|
||||
#define EPNUM_CDC_IN 0x82
|
||||
#define EPNUM_CDC_NOTIF 0x81
|
||||
#define EPNUM_CDC_OUT 0x02
|
||||
#define EPNUM_CDC_IN 0x82
|
||||
|
||||
#define EPNUM_MSC_OUT 0x05
|
||||
#define EPNUM_MSC_IN 0x85
|
||||
|
||||
#elif CFG_TUSB_MCU == OPT_MCU_SAMG
|
||||
// SAMG doesn't support a same endpoint number with different direction IN and OUT
|
||||
// e.g EP1 OUT & EP1 IN cannot exist together
|
||||
#define EPNUM_CDC_NOTIF 0x81
|
||||
#define EPNUM_CDC_OUT 0x02
|
||||
#define EPNUM_CDC_IN 0x83
|
||||
|
||||
#define EPNUM_MSC_OUT 0x04
|
||||
#define EPNUM_MSC_IN 0x85
|
||||
|
||||
#elif CFG_TUSB_MCU == OPT_MCU_CXD56
|
||||
// CXD56 doesn't support a same endpoint number with different direction IN and OUT
|
||||
// e.g EP1 OUT & EP1 IN cannot exist together
|
||||
// CXD56 USB driver has fixed endpoint type (bulk/interrupt/iso) and direction (IN/OUT) by its number
|
||||
// 0 control (IN/OUT), 1 Bulk (IN), 2 Bulk (OUT), 3 In (IN), 4 Bulk (IN), 5 Bulk (OUT), 6 In (IN)
|
||||
#define EPNUM_CDC_NOTIF 0x83
|
||||
#define EPNUM_CDC_OUT 0x02
|
||||
#define EPNUM_CDC_IN 0x81
|
||||
|
||||
#define EPNUM_MSC_OUT 0x05
|
||||
#define EPNUM_MSC_IN 0x84
|
||||
|
||||
#else
|
||||
#define EPNUM_CDC_NOTIF 0x81
|
||||
#define EPNUM_CDC_OUT 0x02
|
||||
#define EPNUM_CDC_IN 0x82
|
||||
|
||||
#define EPNUM_MSC_OUT 0x03
|
||||
#define EPNUM_MSC_IN 0x83
|
||||
|
||||
#endif
|
||||
#define EPNUM_MSC_OUT 0x03
|
||||
#define EPNUM_MSC_IN 0x83
|
||||
|
||||
uint8_t const desc_fs_configuration[] =
|
||||
{
|
||||
|
|
@ -138,34 +93,13 @@ uint8_t const desc_fs_configuration[] =
|
|||
TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 5, EPNUM_MSC_OUT, EPNUM_MSC_IN, 64),
|
||||
};
|
||||
|
||||
#if TUD_OPT_HIGH_SPEED
|
||||
uint8_t const desc_hs_configuration[] =
|
||||
{
|
||||
// Config number, interface count, string index, total length, attribute, power in mA
|
||||
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
|
||||
|
||||
// Interface number, string index, EP notification address and size, EP data address (out, in) and size.
|
||||
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 8, EPNUM_CDC_OUT, EPNUM_CDC_IN, 512),
|
||||
|
||||
// Interface number, string index, EP Out & EP In address, EP size
|
||||
TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 5, EPNUM_MSC_OUT, EPNUM_MSC_IN, 512),
|
||||
};
|
||||
#endif
|
||||
|
||||
|
||||
// Invoked when received GET CONFIGURATION DESCRIPTOR
|
||||
// Application return pointer to descriptor
|
||||
// Descriptor contents must exist long enough for transfer to complete
|
||||
uint8_t const * tud_descriptor_configuration_cb(uint8_t index)
|
||||
{
|
||||
(void) index; // for multiple configurations
|
||||
|
||||
#if TUD_OPT_HIGH_SPEED
|
||||
// Although we are highspeed, host may be fullspeed.
|
||||
return (tud_speed_get() == TUSB_SPEED_HIGH) ? desc_hs_configuration : desc_fs_configuration;
|
||||
#else
|
||||
return desc_fs_configuration;
|
||||
#endif
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
|
|
|
|||
Loading…
Reference in a new issue