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Code cleanup. Added bootloader mode

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This commit is contained in:
Christoffer Martinsson 2023-06-21 00:37:05 +02:00
parent a70cc23906
commit 9759aeba5e
1 changed files with 32 additions and 12 deletions
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44
rp2040/src/main.rs
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@ -5,8 +5,6 @@
#![no_std]
#![no_main]
mod layout;
use core::convert::Infallible;
use cortex_m::delay::Delay;
use embedded_hal::digital::v2::*;
@ -32,6 +30,8 @@ use waveshare_rp2040_zero::{
};
use ws2812_pio::Ws2812;
mod layout;
pub const KEY_ROWS: usize = 4;
pub const KEY_COLS: usize = 12;
pub const NUMBER_OF_KEYS: usize = 42;
@ -115,14 +115,14 @@ fn main() -> ! {
let mut button_matrix: [ButtonMatrix; NUMBER_OF_KEYS] =
[ButtonMatrix::default(); NUMBER_OF_KEYS];
let button_matrix_row_pins: &[&dyn InputPin<Error = Infallible>] = &[
let button_matrix_row_pins: &[&dyn InputPin<Error = Infallible>; KEY_ROWS] = &[
&pins.gp0.into_pull_up_input(),
&pins.gp1.into_pull_up_input(),
&pins.gp29.into_pull_up_input(),
&pins.gp28.into_pull_up_input(),
];
let button_matrix_col_pins: &mut [&mut dyn OutputPin<Error = Infallible>] = &mut [
let button_matrix_col_pins: &mut [&mut dyn OutputPin<Error = Infallible>; KEY_COLS] = &mut [
&mut pins.gp12.into_push_pull_output(),
&mut pins.gp13.into_push_pull_output(),
&mut pins.gp14.into_push_pull_output(),
@ -147,17 +147,18 @@ fn main() -> ! {
indicator_count_down.start(250.millis());
let mut status_led_onoff: bool = false;
let status_led_color: [RGB8; 5] = [
let mut caps_lock_active: bool = false;
let mut fn_mode: u8 = 0;
let status_led_colors: [RGB8; 6] = [
(0, 0, 0).into(), // Off
(10, 7, 0).into(), // Green
(10, 4, 10).into(), // Blue
(5, 10, 0).into(), // Orange
(2, 20, 0).into(), // Red
(0, 10, 10).into(), // Purple
];
let mut caps_lock_active: bool = false;
let mut fn_mode: u8 = 0;
// Set all column pins to output and high
init_button_matrix_pins(button_matrix_col_pins, &mut delay);
@ -167,12 +168,12 @@ fn main() -> ! {
// 0 = green, 1 = blue, 2 = orange, capslock active = flashing.
if caps_lock_active == true && status_led_onoff == true {
status_led
.write([status_led_color[0]].iter().copied())
.write([status_led_colors[0]].iter().copied())
.unwrap();
status_led_onoff = false;
} else {
status_led
.write([status_led_color[usize::from(fn_mode) + 1]].iter().copied())
.write([status_led_colors[usize::from(fn_mode) + 1]].iter().copied())
.unwrap();
status_led_onoff = true;
}
@ -183,6 +184,23 @@ fn main() -> ! {
let pressed_keys =
get_pressed_buttons(button_matrix_row_pins, button_matrix_col_pins, &mut delay);
// Check if all four corners are pressed, if so, reset to USB boot mode
if pressed_keys[0] == true
&& pressed_keys[11] == true
&& pressed_keys[24] == true
&& pressed_keys[35] == true
{
status_led
.write([status_led_colors[5]].iter().copied())
.unwrap();
delay.delay_us(100);
let gpio_activity_pin_mask = 0;
let disable_interface_mask = 0;
rp2040_hal::rom_data::reset_to_usb_boot(
gpio_activity_pin_mask,
disable_interface_mask,
);
}
// Get current function layer
fn_mode = get_fn_mode(pressed_keys);
@ -190,7 +208,7 @@ fn main() -> ! {
// 0 = green, 1 = blue, 2 = orange, capslock active = flashing.
if caps_lock_active == false {
status_led
.write([status_led_color[usize::from(fn_mode) + 1]].iter().copied())
.write([status_led_colors[usize::from(fn_mode) + 1]].iter().copied())
.unwrap();
status_led_onoff = true;
}
@ -253,7 +271,6 @@ fn init_button_matrix_pins(cols: &mut [&mut dyn OutputPin<Error = Infallible>],
// Scan keyboard matrix for pressed keys and return a bool array
// representing the state of each key (true = pressed)
// TODO: This is a bit of a mess, needs refactoring
fn get_pressed_buttons(
rows: &[&dyn InputPin<Error = Infallible>],
cols: &mut [&mut dyn OutputPin<Error = Infallible>],
@ -295,6 +312,9 @@ fn get_fn_mode(pressed_keys: [bool; NUMBER_OF_KEYS]) -> u8 {
fn_mode += 1;
}
}
if fn_mode > 2 {
fn_mode = 2;
}
fn_mode
}