diff options
| -rw-r--r-- | include/arch/atmega2560/driver/stdin.h | 30 | ||||
| -rw-r--r-- | src/arch/atmega2560/Kconfig | 12 | ||||
| -rw-r--r-- | src/arch/atmega2560/Makefile.inc | 4 | ||||
| -rw-r--r-- | src/arch/atmega2560/driver/stdin.cc | 35 |
4 files changed, 81 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 diff --git a/src/arch/atmega2560/Kconfig b/src/arch/atmega2560/Kconfig index f2d83f8..8c25f97 100644 --- a/src/arch/atmega2560/Kconfig +++ b/src/arch/atmega2560/Kconfig @@ -2,7 +2,19 @@ # # SPDX-License-Identifier: CC0-1.0 +config arch_atmega2560_driver_dmx +bool "DMX" +select meta_driver_dmx + config arch_atmega2560_driver_i2c bool "I2C" select meta_driver_hardware_i2c select meta_driver_i2c + +config arch_atmega2560_driver_stdin +bool "UART Input" +select meta_driver_stdin + +config arch_atmega2560_driver_timer +bool "Timer with Interrupts" +select meta_driver_timer diff --git a/src/arch/atmega2560/Makefile.inc b/src/arch/atmega2560/Makefile.inc index e404331..d00c611 100644 --- a/src/arch/atmega2560/Makefile.inc +++ b/src/arch/atmega2560/Makefile.inc @@ -83,6 +83,10 @@ ifdef CONFIG_arch_atmega2560_driver_adc CXX_TARGETS += src/arch/atmega2560/driver/adc.cc endif +ifdef CONFIG_arch_atmega2560_driver_dmx + CXX_TARGETS += src/arch/atmega2560/driver/dmx.cc +endif + ifdef CONFIG_arch_atmega2560_driver_spi CXX_TARGETS += src/arch/atmega2560/driver/spi.cc endif diff --git a/src/arch/atmega2560/driver/stdin.cc b/src/arch/atmega2560/driver/stdin.cc new file mode 100644 index 0000000..213b29e --- /dev/null +++ b/src/arch/atmega2560/driver/stdin.cc @@ -0,0 +1,35 @@ +/* + * Copyright 2020 Daniel Friesel + * + * SPDX-License-Identifier: BSD-2-Clause + */ +#include "driver/stdin.h" +#include <avr/io.h> +#include <avr/interrupt.h> + +void StandardInput::setup() +{ + UCSR0B |= _BV(RXCIE0); +} + +bool StandardInput::hasKey() +{ + if (write_pos != read_pos) { + return true; + } + return false; +} + +char StandardInput::getKey() +{ + char ret = buffer[read_pos++]; + read_pos %= bufsize; + return ret; +} + +StandardInput kin; + +ISR(USART0_RX_vect) +{ + kin.addKey(UDR0); +} |