You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
41 lines
1.0 KiB
Zig
41 lines
1.0 KiB
Zig
const micro = @import("microzig");
|
|
|
|
// Configures the led_pin to a hardware pin
|
|
const led_pin = if (micro.config.has_board)
|
|
switch (micro.config.board_name) {
|
|
.@"Arduino Nano" => micro.Pin("D13"),
|
|
.@"mbed LPC1768" => micro.Pin("LED-1"),
|
|
.@"STM32F3DISCOVERY" => micro.Pin("LD3"),
|
|
.@"STM32F4DISCOVERY" => micro.Pin("LD5"),
|
|
.@"STM32F429IDISCOVERY" => micro.Pin("LD4"),
|
|
else => @compileError("unknown board"),
|
|
}
|
|
else switch (micro.config.chip_name) {
|
|
.@"ATmega328p" => micro.Pin("PB5"),
|
|
.@"NXP LPC1768" => micro.Pin("P1.18"),
|
|
.@"STM32F103x8" => micro.Pin("PC13"),
|
|
else => @compileError("unknown chip"),
|
|
};
|
|
|
|
pub fn main() void {
|
|
const led = micro.Gpio(led_pin, .{
|
|
.mode = .output,
|
|
.initial_state = .low,
|
|
});
|
|
led.init();
|
|
|
|
while (true) {
|
|
busyloop();
|
|
led.toggle();
|
|
}
|
|
}
|
|
|
|
fn busyloop() void {
|
|
const limit = 100_000;
|
|
|
|
var i: u24 = 0;
|
|
while (i < limit) : (i += 1) {
|
|
@import("std").mem.doNotOptimizeAway(i);
|
|
}
|
|
}
|