Skip to content

atmega: fix the Pro Mini uart_echo examples #1082

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
mattnite merged 3 commits into from
Oct 11, 2026
Merged

atmega: fix the Pro Mini uart_echo examples #1082

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
92d18ed
atmega: fix the Pro Mini uart_echo examples
matpala Oct 9, 2026
8c01fed
atmega: explain the lower baud rate in uart_echo
matpala Oct 10, 2026
51d5133
atmega: use 57600 baud in uart_echo for every board
matpala Oct 11, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion examples/microchip/atmega/build.zig
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,8 @@ pub fn build(b: *std.Build) void {
.{ .target = mb.ports.atmega.boards.arduino.pro_mini_3v3, .name = "arduino-pro_mini_3v3_spi_flash", .file = "src/spi_flash_w25q.zig" },
.{ .target = mb.ports.atmega.boards.arduino.pro_mini_5v, .name = "arduino-pro_mini_5v_spi_flash", .file = "src/spi_flash_w25q.zig" },
.{ .target = mb.ports.atmega.boards.arduino.nano, .name = "arduino-nano_uart_echo", .file = "src/uart_echo.zig" },
.{ .target = mb.ports.atmega.boards.arduino.nano, .name = "arduino-pro_mini_5v_uart_echo", .file = "src/uart_echo.zig" },
.{ .target = mb.ports.atmega.boards.arduino.pro_mini_3v3, .name = "arduino-pro_mini_3v3_uart_echo", .file = "src/uart_echo.zig" },
Comment thread
Grazfather marked this conversation as resolved.
.{ .target = mb.ports.atmega.boards.arduino.pro_mini_5v, .name = "arduino-pro_mini_5v_uart_echo", .file = "src/uart_echo.zig" },
.{ .target = mb.ports.atmega.boards.arduino.uno_rev3, .name = "arduino-uno_uart_echo", .file = "src/uart_echo.zig" },
.{ .target = mb.ports.atmega.boards.emakefun.rf_nano_v3, .name = "rf-nano-v3_uart_echo", .file = "src/uart_echo.zig" },
.{ .target = mb.ports.atmega.boards.emakefun.rf_nano_v3, .name = "rf-nano-v3_spi_nrf24", .file = "src/spi_nrf24.zig" },
Expand Down
6 changes: 3 additions & 3 deletions examples/microchip/atmega/src/uart_echo.zig
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
//! Prints a greeting over USART0 (115200 8N1) and echoes back every byte it
//! Prints a greeting over USART0 (57600 8N1) and echoes back every byte it
//! receives. On Nano-style boards it shows up on the USB serial port, e.g.:
//! picocom -b 115200 /dev/ttyUSB0
//! picocom -b 57600 /dev/ttyUSB0

const microzig = @import("microzig");
const uart = microzig.hal.uart;
Expand All @@ -14,7 +14,7 @@ comptime {
}

pub fn main() void {
microzig.board.uart_setup.apply(.{ .baud_rate = 115_200 });
microzig.board.uart_setup.apply(.{ .baud_rate = 57_600 });

uart.write_blocking("Hello from MicroZig! Type something:\r\n");

Expand Down
Loading