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24
flake.nix
24
flake.nix
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@ -90,7 +90,6 @@
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(packages."x86_64-linux"."radio-rx" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags atmega32u4; })
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(packages."x86_64-linux"."lantern" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags atmega32u4; avr = true; })
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(packages."x86_64-linux"."lantern-controller" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags atmega32u4; avr = true; })
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(packages."x86_64-linux"."tron-bag" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags attiny85; avr = true; })
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];
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};
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@ -285,29 +284,6 @@
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];
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};
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packages."x86_64-linux"."tron-bag_" =
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let
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pkgs = import nixpkgs { system = "x86_64-linux"; };
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avr = pkgs.pkgsCross.avr.buildPackages;
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in packages."x86_64-linux"."tron-bag" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags attiny85; avr = true; };
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packages."x86_64-linux"."tron-bag" =
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{ gcc, cflags, avr }:
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let
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pkgs = import nixpkgs { system = "x86_64-linux"; };
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in mkProgram {
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pkgs = pkgs;
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gcc = gcc;
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cflags = cflags;
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pname = "tron-bag";
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psrc = ./tron-bag;
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inherit avr;
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pbuildInputs = [
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(packages."x86_64-linux"."dio" { inherit gcc cflags; })
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pkgs.pkgsCross.avr.buildPackages.simavr
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];
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};
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devShell."x86_64-linux" =
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let
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pkgs = import nixpkgs { system = "x86_64-linux"; };
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@ -1,52 +0,0 @@
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#include <avr/interrupt.h>
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#include <avr/sleep.h>
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#include <dio.h>
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#define FPS 10
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#define FPS_MS 1000 / FPS
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#define MULT 5
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typedef struct {
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uint8_t value;
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int8_t inc;
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} counter_t;
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void counter_update(counter_t *self) {
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int16_t value = self->value;
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value += self->inc;
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if (value >= 255) {
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self->value = 255;
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self->inc = -1;
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} else if (value <= 0) {
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self->value = 0;
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self->inc = 1;
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} else {
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self->value = value;
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}
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}
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int main(void) {
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DDRB = 0xff;
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PORTB = 0;
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GTCCR = 0;
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TCCR0A = _BV(COM0A1) | _BV(COM0B1) | _BV(WGM01) | _BV(WGM00);
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TCCR0B = _BV(CS00);
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counter_t red = (counter_t){ .value = 128, .inc = 1 };
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counter_t blue = (counter_t){ .value = 0, .inc = 1 };
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while(1) {
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OCR0A = red.value;
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OCR0B = blue.value;
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_delay_ms(10);
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counter_update(&red);
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counter_update(&blue);
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}
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return 0;
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}
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