kopia lustrzana https://github.com/raspberrypi/pico-extras
42 wiersze
1.0 KiB
C
42 wiersze
1.0 KiB
C
/*
|
|
* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#ifndef _VIRTUAL_DISK_H
|
|
#define _VIRTUAL_DISK_H
|
|
|
|
#include "usb_device_msc.h"
|
|
|
|
#define USE_INFO_UF2
|
|
|
|
void vd_init();
|
|
void vd_reset();
|
|
|
|
// return true for async operation
|
|
bool vd_read_block(uint32_t token, uint32_t lba, uint8_t *buf, uint32_t buf_size);
|
|
bool vd_write_block(uint32_t token, uint32_t lba, uint8_t *buf, uint32_t buf_size);
|
|
|
|
// give us ourselves 16M which should strictly be the minimum for FAT16 - Note Win10 doesn't like FAT12 - go figure!
|
|
// upped to 64M which allows us to download a 32M UF2
|
|
#define CLUSTER_UP_SHIFT 0u
|
|
#define CLUSTER_UP_MUL (1u << CLUSTER_UP_SHIFT)
|
|
#define VOLUME_SIZE (CLUSTER_UP_MUL * 128u * 1024u * 1024u)
|
|
|
|
#define SECTOR_COUNT (VOLUME_SIZE / SECTOR_SIZE)
|
|
|
|
#ifndef GENERAL_SIZE_HACKS
|
|
|
|
static inline uint32_t vd_sector_count() {
|
|
return SECTOR_COUNT;
|
|
}
|
|
|
|
#else
|
|
// needs to be a compile time constant
|
|
#define vd_sector_count() SECTOR_COUNT
|
|
#endif
|
|
|
|
void vd_async_complete(uint32_t token, uint32_t result);
|
|
#endif
|