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https://github.com/tillitis/tillitis-key1.git
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16a9e8c367
This is an import of the fw-2 tag of tkey-libs. We import the entire tkey-libs repo minus dot files into the tillitis-key1 repo to make it very simple not to make mistakes regarding which firmware tag depends on which tkey-libs tag, especially considering locking down with NVCM. Please see README for information about developing with another tkey-libs or how to import future tkey-libs. Since tkey-libs is now a part of the repo we also add tkey-libs to the clean_fw target.
34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
// SPDX-FileCopyrightText: 2025 Tillitis AB <tillitis.se>
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// SPDX-License-Identifier: BSD-2-Clause
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#include <stddef.h>
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#include <stdint.h>
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#ifndef TKEY_IO_H
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#define TKEY_IO_H
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// I/O endpoints. Keep it as bits possible to use in a bitmask in
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// readselect().
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//
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// Note that the the TKEYCTRL, CDC, and HID should be kept the same on
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// the CH552 side.
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enum ioend {
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IO_NONE = 0x00, // No endpoint
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IO_UART = 0x01, // Only destination, raw UART access
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IO_QEMU = 0x10, // Only destination, QEMU debug port
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IO_TKEYCTRL = 0x20, // HID debug port
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IO_CDC = 0x40, // CDC "serial port"
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IO_HID = 0x80, // HID security token
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};
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void write(enum ioend dest, const uint8_t *buf, size_t nbytes);
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int read(enum ioend src, uint8_t *buf, size_t bufsize, size_t nbytes);
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int uart_read(uint8_t *buf, size_t bufsize, size_t nbytes);
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int readselect(int bitmask, enum ioend *endpoint, uint8_t *len);
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void putchar(enum ioend dest, const uint8_t ch);
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void puthex(enum ioend dest, const uint8_t ch);
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void putinthex(enum ioend dest, const uint32_t n);
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void puts(enum ioend dest, const char *s);
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void hexdump(enum ioend dest, void *buf, int len);
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#endif
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