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Create the initial display application

This commit is contained in:
Savanni D'Gerinel 2022-07-14 19:11:23 -04:00
parent 31a9bd76ba
commit 0d0f90e91d
2 changed files with 49 additions and 1 deletions
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27
display-i2c/main.c Normal file
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@ -0,0 +1,27 @@
#include <display.h>
#include <stdio.h>
int main(void) {
display_t display = {
.reg = {
.output = { .ddr = &DDRB, .port = &PORTB, .pin = &PINB, .addr = 3 },
.shift_clock = { .ddr = &DDRB, .port = &PORTB, .pin = &PINB, .addr = 2 },
.latch_clock = { .ddr = &DDRB, .port = &PORTB, .pin = &PINB, .addr = 0 },
},
};
int count = 0;
while (1) {
display_init(&display);
char msg[15];
snprintf(msg, 15, "[%d]", count);
display_clear(&display);
display_write_message(&display, msg);
_delay_ms(1000);
count++;
}
return 0;
}

23
flake.nix
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@ -90,6 +90,7 @@
(packages."x86_64-linux"."radio-rx" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags atmega32u4; }) (packages."x86_64-linux"."radio-rx" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags atmega32u4; })
(packages."x86_64-linux"."lantern" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags atmega32u4; avr = true; }) (packages."x86_64-linux"."lantern" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags atmega32u4; avr = true; })
(packages."x86_64-linux"."lantern-controller" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags atmega32u4; avr = true; }) (packages."x86_64-linux"."lantern-controller" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags atmega32u4; avr = true; })
(packages."x86_64-linux"."display-i2c" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags atmega32u4; avr = true; })
]; ];
}; };
@ -236,7 +237,7 @@
let let
pkgs = import nixpkgs { system = "x86_64-linux"; }; pkgs = import nixpkgs { system = "x86_64-linux"; };
avr = pkgs.pkgsCross.avr.buildPackages; avr = pkgs.pkgsCross.avr.buildPackages;
in packages."x86_64-linux"."lantern" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags atmega32u4; }; in packages."x86_64-linux"."lantern" { gcc = "${avr.gcc}/bin/avr-gcc"; cflags = mcu_cflags atmega32u4; avr = true; };
packages."x86_64-linux"."lantern" = packages."x86_64-linux"."lantern" =
{ gcc, cflags, avr }: { gcc, cflags, avr }:
let let
@ -284,6 +285,26 @@
]; ];
}; };
packages."x86_64-linux"."display-i2c" =
{ gcc, cflags, avr }:
let
pkgs = import nixpkgs { system = "x86_64-linux"; };
in mkProgram {
pkgs = pkgs;
gcc = gcc;
cflags = cflags;
pname = "display-i2c";
psrc = ./display-i2c;
inherit avr;
pbuildInputs = [
(packages."x86_64-linux"."dio" { inherit gcc cflags; })
(packages."x86_64-linux"."spi" { inherit gcc cflags; })
(packages."x86_64-linux"."shift-register" { inherit gcc cflags; })
(packages."x86_64-linux"."display" { inherit gcc cflags; })
];
};
devShell."x86_64-linux" = devShell."x86_64-linux" =
let let
pkgs = import nixpkgs { system = "x86_64-linux"; }; pkgs = import nixpkgs { system = "x86_64-linux"; };