diff options
author | Daniel Friesel <derf@finalrewind.org> | 2022-01-26 22:39:37 +0100 |
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committer | Daniel Friesel <derf@finalrewind.org> | 2022-01-26 22:39:54 +0100 |
commit | 742ed60b4373bb2c81cd3b4fbc91107ab3c36fca (patch) | |
tree | e1251dae9956d242cac21c2da263b032c365ad4a /include | |
parent | 0290ca63a235b98642d54bdd3fc2ec5121b5dd69 (diff) |
atmega2560: add stdin driver
Diffstat (limited to 'include')
-rw-r--r-- | include/arch/atmega2560/driver/stdin.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/arch/atmega2560/driver/stdin.h b/include/arch/atmega2560/driver/stdin.h new file mode 100644 index 0000000..9a99b00 --- /dev/null +++ b/include/arch/atmega2560/driver/stdin.h @@ -0,0 +1,30 @@ +/* + * Copyright 2021 Daniel Friesel + * + * SPDX-License-Identifier: BSD-2-Clause + */ +#ifndef STANDARDINPUT_H +#define STANDARDINPUT_H + +class StandardInput { + private: + StandardInput(const StandardInput ©); + static unsigned char const bufsize = 16; + char buffer[bufsize]; + unsigned char write_pos, read_pos; + + public: + StandardInput() : write_pos(0), read_pos(0) {} + void setup(); + bool hasKey(); + char getKey(); + + inline void addKey(char key) { + buffer[write_pos] = key; + write_pos = (write_pos + 1) % bufsize; + } +}; + +extern StandardInput kin; + +#endif |