From 958d18b9a8ddc904cc99a39b1fb3a2aa7c60468c Mon Sep 17 00:00:00 2001
From: Savanni D'Gerinel <savanni@luminescent-dreams.com>
Date: Fri, 7 Mar 2025 18:48:56 -0500
Subject: [PATCH 1/4] Set up the seven segment font
---
pico-st7789/src/canvas.rs | 94 -----------
pico-st7789/src/font/mod.rs | 4 +
pico-st7789/src/font/seven_segment.rs | 211 ++++++++++++++++++++++++
pico-st7789/src/font/sixteen_segment.rs | 4 +
pico-st7789/src/main.rs | 130 ++++++++++-----
5 files changed, 311 insertions(+), 132 deletions(-)
create mode 100644 pico-st7789/src/font/seven_segment.rs
diff --git a/pico-st7789/src/canvas.rs b/pico-st7789/src/canvas.rs
index cb2d05b..b154ebf 100644
--- a/pico-st7789/src/canvas.rs
+++ b/pico-st7789/src/canvas.rs
@@ -8,11 +8,6 @@
// e c
// d d d
-use alloc::collections::btree_map::BTreeMap;
-
-/*
-*/
-
pub struct RGB { pub r: u8, pub g: u8, pub b: u8 }
pub trait Canvas {
@@ -34,92 +29,3 @@ pub trait Canvas {
}
}
-/*
-pub const DIGIT_WIDTH: usize = 5;
-pub const DIGIT_HEIGHT: usize = 9;
-
-pub const ZERO_SEVEN_SEGMENT: [bool; 7] = [true, true, true, true, true, true, false];
-
-pub const ONE_SEVEN_SEGMENT: [bool; 7] = [false, true, true, false, false, false, false];
-
-pub const TWO_SEVEN_SEGMENT: [bool; 7] = [true, true, false, true, true, false, true];
-
-pub const THREE_SEVEN_SEGMENT: [bool; 7] = [true, true, true, true, false, false, true];
-
-pub const FOUR_SEVEN_SEGMENT: [bool; 7] = [false, true, true, false, false, true, true];
-
-pub const FIVE_SEVEN_SEGMENT: [bool; 7] = [true, false, true, true, false, true, true];
-
-pub const SIX_SEVEN_SEGMENT: [bool; 7] = [true, false, true, true, true, true, true];
-
-pub const SEVEN_SEVEN_SEGMENT: [bool; 7] = [true, true, true, false, false, false, false];
-
-pub const EIGHT_SEVEN_SEGMENT: [bool; 7] = [true, true, true, true, true, true, true];
-
-pub const NINE_SEVEN_SEGMENT: [bool; 7] = [true, true, true, false, false, true, true];
-
-pub const SEVEN_SEGMENT_FONT: [[bool; 7]; 10] = [
- ZERO_SEVEN_SEGMENT,
- ONE_SEVEN_SEGMENT,
- TWO_SEVEN_SEGMENT,
- THREE_SEVEN_SEGMENT,
- FOUR_SEVEN_SEGMENT,
- FIVE_SEVEN_SEGMENT,
- SIX_SEVEN_SEGMENT,
- SEVEN_SEVEN_SEGMENT,
- EIGHT_SEVEN_SEGMENT,
- NINE_SEVEN_SEGMENT,
-];
-
-pub fn write_pixel(framebuf: &mut [u8], width: usize, x: usize, y: usize, color: (u8, u8, u8)) {
- framebuf[(y * width + x) * 3 + 0] = color.0 << 2;
- framebuf[(y * width + x) * 3 + 1] = color.1 << 2;
- framebuf[(y * width + x) * 3 + 2] = color.2 << 2;
-}
-
-pub fn draw_seven_segment(
- digit: u8,
- frame: &mut [u8],
- width: usize,
- x: usize,
- y: usize,
- color: (u8, u8, u8),
-) {
- let segments = SEVEN_SEGMENT_FONT[digit as usize];
- if segments[0] {
- write_pixel(frame, width, x + 1, y, color);
- write_pixel(frame, width, x + 2, y, color);
- write_pixel(frame, width, x + 3, y, color);
- }
- if segments[1] {
- write_pixel(frame, width, x + 4, y + 1, color);
- write_pixel(frame, width, x + 4, y + 2, color);
- write_pixel(frame, width, x + 4, y + 3, color);
- }
- if segments[2] {
- write_pixel(frame, width, x + 4, y + 5, color);
- write_pixel(frame, width, x + 4, y + 6, color);
- write_pixel(frame, width, x + 4, y + 7, color);
- }
- if segments[3] {
- write_pixel(frame, width, x + 1, y + 8, color);
- write_pixel(frame, width, x + 2, y + 8, color);
- write_pixel(frame, width, x + 3, y + 8, color);
- }
- if segments[4] {
- write_pixel(frame, width, x, y + 5, color);
- write_pixel(frame, width, x, y + 6, color);
- write_pixel(frame, width, x, y + 7, color);
- }
- if segments[5] {
- write_pixel(frame, width, x, y + 1, color);
- write_pixel(frame, width, x, y + 2, color);
- write_pixel(frame, width, x, y + 3, color);
- }
- if segments[6] {
- write_pixel(frame, width, x + 1, y + 4, color);
- write_pixel(frame, width, x + 2, y + 4, color);
- write_pixel(frame, width, x + 3, y + 4, color);
- }
-}
-*/
diff --git a/pico-st7789/src/font/mod.rs b/pico-st7789/src/font/mod.rs
index 126176d..3886765 100644
--- a/pico-st7789/src/font/mod.rs
+++ b/pico-st7789/src/font/mod.rs
@@ -1,5 +1,8 @@
use crate::canvas::{Canvas, RGB};
+mod seven_segment;
+pub use seven_segment::SevenSegmentFont;
+
mod sixteen_segment;
pub use sixteen_segment::SixteenSegmentFont;
@@ -9,5 +12,6 @@ pub trait Font<A> {
pub trait Glyph {
fn draw(&self, canvas: &mut impl Canvas, x: usize, y: usize, color: &RGB);
+ fn extents(&self) -> (usize, usize);
}
diff --git a/pico-st7789/src/font/seven_segment.rs b/pico-st7789/src/font/seven_segment.rs
new file mode 100644
index 0000000..94dd8cd
--- /dev/null
+++ b/pico-st7789/src/font/seven_segment.rs
@@ -0,0 +1,211 @@
+use alloc::collections::btree_map::BTreeMap;
+use bitflags::bitflags;
+
+use crate::canvas::{Canvas, RGB};
+
+use super::{Font, Glyph};
+
+// Seven Segments
+//
+// a a a
+// f b
+// f b
+// f b
+// g g g
+// e c
+// e c
+// e c
+// d d d
+
+bitflags! {
+ pub struct SevenSegmentGlyph: u8 {
+ const NONE = 0;
+ const A = 0x01;
+ const B = 0x01 << 1;
+ const C = 0x01 << 2;
+ const D = 0x01 << 3;
+ const E = 0x01 << 4;
+ const F = 0x01 << 5;
+ const G = 0x01 << 6;
+ const DOT = 0x01 << 7;
+ }
+}
+
+pub struct SevenSegmentFont(BTreeMap<char, SevenSegmentGlyph>);
+
+impl SevenSegmentFont {
+ pub fn new() -> Self {
+ let mut font = BTreeMap::new();
+ font.insert(' ', SevenSegmentGlyph::NONE);
+ font.insert(
+ '0',
+ SevenSegmentGlyph::A
+ | SevenSegmentGlyph::B
+ | SevenSegmentGlyph::C
+ | SevenSegmentGlyph::D
+ | SevenSegmentGlyph::E
+ | SevenSegmentGlyph::F,
+ );
+ font.insert('1', SevenSegmentGlyph::B | SevenSegmentGlyph::C);
+ font.insert(
+ '2',
+ SevenSegmentGlyph::A
+ | SevenSegmentGlyph::B
+ | SevenSegmentGlyph::D
+ | SevenSegmentGlyph::E
+ | SevenSegmentGlyph::G,
+ );
+ font.insert(
+ '3',
+ SevenSegmentGlyph::A
+ | SevenSegmentGlyph::B
+ | SevenSegmentGlyph::C
+ | SevenSegmentGlyph::G
+ | SevenSegmentGlyph::D,
+ );
+ font.insert(
+ '4',
+ SevenSegmentGlyph::B
+ | SevenSegmentGlyph::C
+ | SevenSegmentGlyph::F
+ | SevenSegmentGlyph::G,
+ );
+ font.insert(
+ '5',
+ SevenSegmentGlyph::A
+ | SevenSegmentGlyph::C
+ | SevenSegmentGlyph::D
+ | SevenSegmentGlyph::F
+ | SevenSegmentGlyph::G,
+ );
+ font.insert(
+ '6',
+ SevenSegmentGlyph::A
+ | SevenSegmentGlyph::E
+ | SevenSegmentGlyph::F
+ | SevenSegmentGlyph::G
+ | SevenSegmentGlyph::C
+ | SevenSegmentGlyph::D,
+ );
+ font.insert(
+ '7',
+ SevenSegmentGlyph::A | SevenSegmentGlyph::B | SevenSegmentGlyph::C,
+ );
+ font.insert(
+ '8',
+ SevenSegmentGlyph::A
+ | SevenSegmentGlyph::B
+ | SevenSegmentGlyph::C
+ | SevenSegmentGlyph::D
+ | SevenSegmentGlyph::E
+ | SevenSegmentGlyph::F
+ | SevenSegmentGlyph::G,
+ );
+ font.insert(
+ '9',
+ SevenSegmentGlyph::A
+ | SevenSegmentGlyph::B
+ | SevenSegmentGlyph::C
+ | SevenSegmentGlyph::F
+ | SevenSegmentGlyph::G,
+ );
+ font.insert(
+ 'A',
+ SevenSegmentGlyph::A
+ | SevenSegmentGlyph::B
+ | SevenSegmentGlyph::C
+ | SevenSegmentGlyph::E
+ | SevenSegmentGlyph::F
+ | SevenSegmentGlyph::G,
+ );
+ font.insert(
+ 'B',
+ SevenSegmentGlyph::C
+ | SevenSegmentGlyph::D
+ | SevenSegmentGlyph::E
+ | SevenSegmentGlyph::F
+ | SevenSegmentGlyph::G,
+ );
+ font.insert(
+ 'C',
+ SevenSegmentGlyph::A
+ | SevenSegmentGlyph::D
+ | SevenSegmentGlyph::E
+ | SevenSegmentGlyph::F,
+ );
+ font.insert(
+ 'D',
+ SevenSegmentGlyph::B
+ | SevenSegmentGlyph::C
+ | SevenSegmentGlyph::D
+ | SevenSegmentGlyph::E
+ | SevenSegmentGlyph::G,
+ );
+ font.insert(
+ 'E',
+ SevenSegmentGlyph::A
+ | SevenSegmentGlyph::D
+ | SevenSegmentGlyph::E
+ | SevenSegmentGlyph::F
+ | SevenSegmentGlyph::G,
+ );
+ font.insert(
+ 'F',
+ SevenSegmentGlyph::A
+ | SevenSegmentGlyph::E
+ | SevenSegmentGlyph::F
+ | SevenSegmentGlyph::G,
+ );
+ Self(font)
+ }
+}
+
+impl Font<SevenSegmentGlyph> for SevenSegmentFont {
+ fn glyph(&self, c: char) -> &SevenSegmentGlyph {
+ self.0.get(&c).unwrap()
+ }
+}
+
+impl Glyph for SevenSegmentGlyph {
+ fn draw(&self, canvas: &mut impl Canvas, x: usize, y: usize, color: &RGB) {
+ if self.contains(SevenSegmentGlyph::A) {
+ canvas.set_pixel(x + 1, y, color);
+ canvas.set_pixel(x + 2, y, color);
+ canvas.set_pixel(x + 3, y, color);
+ }
+ if self.contains(SevenSegmentGlyph::B) {
+ canvas.set_pixel(x + 4, y + 1, color);
+ canvas.set_pixel(x + 4, y + 2, color);
+ canvas.set_pixel(x + 4, y + 3, color);
+ }
+ if self.contains(SevenSegmentGlyph::C) {
+ canvas.set_pixel(x + 4, y + 5, color);
+ canvas.set_pixel(x + 4, y + 6, color);
+ canvas.set_pixel(x + 4, y + 7, color);
+ }
+ if self.contains(SevenSegmentGlyph::D) {
+ canvas.set_pixel(x + 1, y + 8, color);
+ canvas.set_pixel(x + 2, y + 8, color);
+ canvas.set_pixel(x + 3, y + 8, color);
+ }
+ if self.contains(SevenSegmentGlyph::E) {
+ canvas.set_pixel(x, y + 5, color);
+ canvas.set_pixel(x, y + 6, color);
+ canvas.set_pixel(x, y + 7, color);
+ }
+ if self.contains(SevenSegmentGlyph::F) {
+ canvas.set_pixel(x, y + 1, color);
+ canvas.set_pixel(x, y + 2, color);
+ canvas.set_pixel(x, y + 3, color);
+ }
+ if self.contains(SevenSegmentGlyph::G) {
+ canvas.set_pixel(x + 1, y + 4, color);
+ canvas.set_pixel(x + 2, y + 4, color);
+ canvas.set_pixel(x + 3, y + 4, color);
+ }
+ }
+
+ fn extents(&self) -> (usize, usize) {
+ (5, 8)
+ }
+}
diff --git a/pico-st7789/src/font/sixteen_segment.rs b/pico-st7789/src/font/sixteen_segment.rs
index fe021ff..62e1285 100644
--- a/pico-st7789/src/font/sixteen_segment.rs
+++ b/pico-st7789/src/font/sixteen_segment.rs
@@ -513,5 +513,9 @@ impl Glyph for SixteenSegmentGlyph {
canvas.set_pixel(x + 7, y + 11, color);
}
}
+
+ fn extents(&self) -> (usize, usize) {
+ (8, 12)
+ }
}
diff --git a/pico-st7789/src/main.rs b/pico-st7789/src/main.rs
index e404ba7..68b0554 100644
--- a/pico-st7789/src/main.rs
+++ b/pico-st7789/src/main.rs
@@ -17,7 +17,7 @@ mod canvas;
use canvas::{Canvas, RGB};
mod font;
-use font::{Font, Glyph, SixteenSegmentFont};
+use font::{Font, Glyph, SevenSegmentFont, SixteenSegmentFont};
mod st7789;
use st7789::{ST7789Display, SETUP_PROGRAM};
@@ -64,6 +64,7 @@ unsafe fn main() -> ! {
unsafe { HEAP.init(HEAP_MEM.as_ptr() as usize, HEAP_SIZE) }
}
+ let font_seven = SevenSegmentFont::new();
let font_sixteen = SixteenSegmentFont::new();
// rp_pico::pac::Peripherals is a reference to physical hardware defined on the Pico.
@@ -163,119 +164,172 @@ unsafe fn main() -> ! {
draw_seven_segment(9, &mut frame, 63, 0, (255, 255, 255));
*/
- font_sixteen
+ font_seven
.glyph(' ')
.draw(&mut canvas, 0, 0, &white);
- font_sixteen
+ font_seven
.glyph('0')
.draw(&mut canvas, 11, 0, &white);
- font_sixteen
+ font_seven
.glyph('1')
.draw(&mut canvas, 22, 0, &white);
- font_sixteen
+ font_seven
.glyph('2')
.draw(&mut canvas, 33, 0, &white);
- font_sixteen
+ font_seven
.glyph('3')
.draw(&mut canvas, 44, 0, &white);
- font_sixteen
+ font_seven
.glyph('4')
.draw(&mut canvas, 55, 0, &white);
- font_sixteen
+ font_seven
.glyph('5')
.draw(&mut canvas, 66, 0, &white);
- font_sixteen
+ font_seven
.glyph('6')
.draw(&mut canvas, 77, 0, &white);
- font_sixteen
+ font_seven
.glyph('7')
.draw(&mut canvas, 88, 0, &white);
- font_sixteen
+ font_seven
.glyph('8')
.draw(&mut canvas, 99, 0, &white);
- font_sixteen
+ font_seven
.glyph('9')
.draw(&mut canvas, 110, 0, &white);
- font_sixteen
+ font_seven
.glyph('A')
+ .draw(&mut canvas, 121, 0, &white);
+ font_seven
+ .glyph('B')
+ .draw(&mut canvas, 132, 0, &white);
+ font_seven
+ .glyph('C')
+ .draw(&mut canvas, 143, 0, &white);
+ font_seven
+ .glyph('D')
+ .draw(&mut canvas, 154, 0, &white);
+ font_seven
+ .glyph('E')
+ .draw(&mut canvas, 165, 0, &white);
+ font_seven
+ .glyph('F')
+ .draw(&mut canvas, 0, 20, &white);
+
+ font_sixteen
+ .glyph(' ')
.draw(&mut canvas, 0, 20, &white);
font_sixteen
- .glyph('B')
+ .glyph('0')
.draw(&mut canvas, 11, 20, &white);
font_sixteen
- .glyph('C')
+ .glyph('1')
.draw(&mut canvas, 22, 20, &white);
font_sixteen
- .glyph('D')
+ .glyph('2')
.draw(&mut canvas, 33, 20, &white);
font_sixteen
- .glyph('E')
+ .glyph('3')
.draw(&mut canvas, 44, 20, &white);
font_sixteen
- .glyph('F')
+ .glyph('4')
.draw(&mut canvas, 55, 20, &white);
font_sixteen
- .glyph('G')
+ .glyph('5')
.draw(&mut canvas, 66, 20, &white);
font_sixteen
- .glyph('H')
+ .glyph('6')
.draw(&mut canvas, 77, 20, &white);
font_sixteen
- .glyph('I')
+ .glyph('7')
.draw(&mut canvas, 88, 20, &white);
font_sixteen
- .glyph('J')
+ .glyph('8')
.draw(&mut canvas, 99, 20, &white);
font_sixteen
- .glyph('K')
+ .glyph('9')
.draw(&mut canvas, 110, 20, &white);
+
+ font_sixteen
+ .glyph('A')
+ .draw(&mut canvas, 0, 40, &white);
+ font_sixteen
+ .glyph('B')
+ .draw(&mut canvas, 11, 40, &white);
+ font_sixteen
+ .glyph('C')
+ .draw(&mut canvas, 22, 40, &white);
+ font_sixteen
+ .glyph('D')
+ .draw(&mut canvas, 33, 40, &white);
+ font_sixteen
+ .glyph('E')
+ .draw(&mut canvas, 44, 40, &white);
+ font_sixteen
+ .glyph('F')
+ .draw(&mut canvas, 55, 40, &white);
+ font_sixteen
+ .glyph('G')
+ .draw(&mut canvas, 66, 40, &white);
+ font_sixteen
+ .glyph('H')
+ .draw(&mut canvas, 77, 40, &white);
+ font_sixteen
+ .glyph('I')
+ .draw(&mut canvas, 88, 40, &white);
+ font_sixteen
+ .glyph('J')
+ .draw(&mut canvas, 99, 40, &white);
+ font_sixteen
+ .glyph('K')
+ .draw(&mut canvas, 110, 40, &white);
font_sixteen
.glyph('L')
- .draw(&mut canvas, 121, 20, &white);
+ .draw(&mut canvas, 121, 40, &white);
font_sixteen
.glyph('M')
- .draw(&mut canvas, 132, 20, &white);
+ .draw(&mut canvas, 132, 40, &white);
font_sixteen
.glyph('N')
- .draw(&mut canvas, 143, 20, &white);
+ .draw(&mut canvas, 143, 40, &white);
font_sixteen
.glyph('O')
- .draw(&mut canvas, 154, 20, &white);
+ .draw(&mut canvas, 154, 40, &white);
font_sixteen
.glyph('P')
- .draw(&mut canvas, 0, 40, &white);
+ .draw(&mut canvas, 0, 60, &white);
font_sixteen
.glyph('Q')
- .draw(&mut canvas, 11, 40, &white);
+ .draw(&mut canvas, 11, 60, &white);
font_sixteen
.glyph('R')
- .draw(&mut canvas, 22, 40, &white);
+ .draw(&mut canvas, 22, 60, &white);
font_sixteen
.glyph('S')
- .draw(&mut canvas, 33, 40, &white);
+ .draw(&mut canvas, 33, 60, &white);
font_sixteen
.glyph('T')
- .draw(&mut canvas, 44, 40, &white);
+ .draw(&mut canvas, 44, 60, &white);
font_sixteen
.glyph('U')
- .draw(&mut canvas, 55, 40, &white);
+ .draw(&mut canvas, 55, 60, &white);
font_sixteen
.glyph('V')
- .draw(&mut canvas, 66, 40, &white);
+ .draw(&mut canvas, 66, 60, &white);
font_sixteen
.glyph('W')
- .draw(&mut canvas, 77, 40, &white);
+ .draw(&mut canvas, 77, 60, &white);
font_sixteen
.glyph('X')
- .draw(&mut canvas, 88, 40, &white);
+ .draw(&mut canvas, 88, 60, &white);
font_sixteen
.glyph('Y')
- .draw(&mut canvas, 99, 40, &white);
+ .draw(&mut canvas, 99, 60, &white);
font_sixteen
.glyph('Z')
- .draw(&mut canvas, 110, 40, &white);
+ .draw(&mut canvas, 110, 60, &white);
canvas.square(10, 70, 160, 310, &white);
--
2.47.2
From 9175b9d4ccb57aa58d0cb72f3301c036432800fe Mon Sep 17 00:00:00 2001
From: Savanni D'Gerinel <savanni@luminescent-dreams.com>
Date: Fri, 7 Mar 2025 22:23:03 -0500
Subject: [PATCH 2/4] Create a print function and fill out more sixteen-segment
glyphs
---
pico-st7789/src/canvas.rs | 33 +++-
pico-st7789/src/font/sixteen_segment.rs | 174 +++++++++++++++++++++-
pico-st7789/src/main.rs | 190 +-----------------------
3 files changed, 207 insertions(+), 190 deletions(-)
diff --git a/pico-st7789/src/canvas.rs b/pico-st7789/src/canvas.rs
index b154ebf..a695b86 100644
--- a/pico-st7789/src/canvas.rs
+++ b/pico-st7789/src/canvas.rs
@@ -8,24 +8,47 @@
// e c
// d d d
-pub struct RGB { pub r: u8, pub g: u8, pub b: u8 }
+use crate::font::{Font, Glyph};
+
+pub struct RGB {
+ pub r: u8,
+ pub g: u8,
+ pub b: u8,
+}
pub trait Canvas {
fn set_pixel(&mut self, x: usize, y: usize, color: &RGB);
fn square(&mut self, x1: usize, y1: usize, x2: usize, y2: usize, color: &RGB) {
- for x in x1..x2+1 {
+ for x in x1..x2 + 1 {
self.set_pixel(x, y1, color);
}
- for x in x1..x2+1 {
+ for x in x1..x2 + 1 {
self.set_pixel(x, y2, color);
}
- for y in y1..y2+1 {
+ for y in y1..y2 + 1 {
self.set_pixel(x1, y, color);
}
- for y in y1..y2+1 {
+ for y in y1..y2 + 1 {
self.set_pixel(x2, y, color);
}
}
}
+pub fn print<A>(
+ canvas: &mut impl Canvas,
+ font: &impl Font<A>,
+ sx: usize,
+ sy: usize,
+ text: &str,
+ color: &RGB,
+) where
+ A: Glyph,
+{
+ let mut x = sx;
+ for c in text.chars().map(|c| font.glyph(c)) {
+ c.draw(canvas, x, sy, color);
+ let (dx, _) = c.extents();
+ x = x + dx + 1;
+ }
+}
diff --git a/pico-st7789/src/font/sixteen_segment.rs b/pico-st7789/src/font/sixteen_segment.rs
index 62e1285..eb8cb29 100644
--- a/pico-st7789/src/font/sixteen_segment.rs
+++ b/pico-st7789/src/font/sixteen_segment.rs
@@ -396,13 +396,182 @@ impl SixteenSegmentFont {
| SixteenSegmentGlyph::J
| SixteenSegmentGlyph::K,
);
+
+ font.insert(
+ 'a',
+ SixteenSegmentGlyph::D1
+ | SixteenSegmentGlyph::D2
+ | SixteenSegmentGlyph::E
+ | SixteenSegmentGlyph::G1
+ | SixteenSegmentGlyph::L,
+ );
+ font.insert(
+ 'b',
+ SixteenSegmentGlyph::D1
+ | SixteenSegmentGlyph::E
+ | SixteenSegmentGlyph::F
+ | SixteenSegmentGlyph::G1
+ | SixteenSegmentGlyph::L,
+ );
+ font.insert(
+ 'c',
+ SixteenSegmentGlyph::D1 | SixteenSegmentGlyph::E | SixteenSegmentGlyph::G1,
+ );
+ font.insert(
+ 'd',
+ SixteenSegmentGlyph::B
+ | SixteenSegmentGlyph::C
+ | SixteenSegmentGlyph::D2
+ | SixteenSegmentGlyph::G2
+ | SixteenSegmentGlyph::L,
+ );
+ font.insert(
+ 'e',
+ SixteenSegmentGlyph::D1
+ | SixteenSegmentGlyph::E
+ | SixteenSegmentGlyph::G1
+ | SixteenSegmentGlyph::K,
+ );
+ font.insert(
+ 'f',
+ SixteenSegmentGlyph::A2
+ | SixteenSegmentGlyph::G1
+ | SixteenSegmentGlyph::G2
+ | SixteenSegmentGlyph::I
+ | SixteenSegmentGlyph::L,
+ );
+ font.insert(
+ 'g',
+ SixteenSegmentGlyph::A1
+ | SixteenSegmentGlyph::D1
+ | SixteenSegmentGlyph::F
+ | SixteenSegmentGlyph::G1
+ | SixteenSegmentGlyph::I
+ | SixteenSegmentGlyph::L,
+ );
+ font.insert(
+ 'h',
+ SixteenSegmentGlyph::E
+ | SixteenSegmentGlyph::F
+ | SixteenSegmentGlyph::G1
+ | SixteenSegmentGlyph::L,
+ );
+ font.insert('i', SixteenSegmentGlyph::L);
+ font.insert(
+ 'j',
+ SixteenSegmentGlyph::D1
+ | SixteenSegmentGlyph::E
+ | SixteenSegmentGlyph::I
+ | SixteenSegmentGlyph::L,
+ );
+ font.insert(
+ 'k',
+ SixteenSegmentGlyph::I
+ | SixteenSegmentGlyph::J
+ | SixteenSegmentGlyph::L
+ | SixteenSegmentGlyph::M,
+ );
+ font.insert('l', SixteenSegmentGlyph::E | SixteenSegmentGlyph::F);
+ font.insert(
+ 'm',
+ SixteenSegmentGlyph::C
+ | SixteenSegmentGlyph::E
+ | SixteenSegmentGlyph::L
+ | SixteenSegmentGlyph::G1
+ | SixteenSegmentGlyph::G2,
+ );
+ font.insert(
+ 'n',
+ SixteenSegmentGlyph::E | SixteenSegmentGlyph::L | SixteenSegmentGlyph::G1,
+ );
+ font.insert(
+ 'o',
+ SixteenSegmentGlyph::D1
+ | SixteenSegmentGlyph::E
+ | SixteenSegmentGlyph::G1
+ | SixteenSegmentGlyph::L,
+ );
+ font.insert(
+ 'p',
+ SixteenSegmentGlyph::A1
+ | SixteenSegmentGlyph::E
+ | SixteenSegmentGlyph::F
+ | SixteenSegmentGlyph::G1
+ | SixteenSegmentGlyph::I,
+ );
+ font.insert(
+ 'q',
+ SixteenSegmentGlyph::A1
+ | SixteenSegmentGlyph::F
+ | SixteenSegmentGlyph::G1
+ | SixteenSegmentGlyph::I
+ | SixteenSegmentGlyph::L,
+ );
+ font.insert('r', SixteenSegmentGlyph::E | SixteenSegmentGlyph::G1);
+ font.insert(
+ 's',
+ SixteenSegmentGlyph::A1
+ | SixteenSegmentGlyph::D1
+ | SixteenSegmentGlyph::F
+ | SixteenSegmentGlyph::G1
+ | SixteenSegmentGlyph::L,
+ );
+ font.insert(
+ 't',
+ SixteenSegmentGlyph::D1
+ | SixteenSegmentGlyph::E
+ | SixteenSegmentGlyph::F
+ | SixteenSegmentGlyph::G1,
+ );
+ font.insert(
+ 'u',
+ SixteenSegmentGlyph::D1 | SixteenSegmentGlyph::E | SixteenSegmentGlyph::L,
+ );
+ font.insert('v', SixteenSegmentGlyph::E | SixteenSegmentGlyph::K);
+ font.insert(
+ 'w',
+ SixteenSegmentGlyph::C
+ | SixteenSegmentGlyph::E
+ | SixteenSegmentGlyph::K
+ | SixteenSegmentGlyph::M,
+ );
+ font.insert(
+ 'x',
+ SixteenSegmentGlyph::H
+ | SixteenSegmentGlyph::J
+ | SixteenSegmentGlyph::K
+ | SixteenSegmentGlyph::M,
+ );
+ font.insert(
+ 'y',
+ SixteenSegmentGlyph::B
+ | SixteenSegmentGlyph::C
+ | SixteenSegmentGlyph::I
+ | SixteenSegmentGlyph::D2
+ | SixteenSegmentGlyph::G2,
+ );
+ font.insert(
+ 'z',
+ SixteenSegmentGlyph::D1 | SixteenSegmentGlyph::G1 | SixteenSegmentGlyph::K,
+ );
+ font.insert(
+ '@',
+ SixteenSegmentGlyph::A1
+ | SixteenSegmentGlyph::A2
+ | SixteenSegmentGlyph::B
+ | SixteenSegmentGlyph::D1
+ | SixteenSegmentGlyph::D2
+ | SixteenSegmentGlyph::E
+ | SixteenSegmentGlyph::F
+ | SixteenSegmentGlyph::G2,
+ );
Self(font)
}
}
impl Font<SixteenSegmentGlyph> for SixteenSegmentFont {
fn glyph(&self, c: char) -> &SixteenSegmentGlyph {
- self.0.get(&c).unwrap()
+ self.0.get(&c).unwrap_or(&SixteenSegmentGlyph::NONE)
}
}
@@ -515,7 +684,6 @@ impl Glyph for SixteenSegmentGlyph {
}
fn extents(&self) -> (usize, usize) {
- (8, 12)
+ (9, 13)
}
}
-
diff --git a/pico-st7789/src/main.rs b/pico-st7789/src/main.rs
index 68b0554..79da94f 100644
--- a/pico-st7789/src/main.rs
+++ b/pico-st7789/src/main.rs
@@ -14,7 +14,7 @@ use rp_pico::{
};
mod canvas;
-use canvas::{Canvas, RGB};
+use canvas::{Canvas, RGB, print};
mod font;
use font::{Font, Glyph, SevenSegmentFont, SixteenSegmentFont};
@@ -64,7 +64,6 @@ unsafe fn main() -> ! {
unsafe { HEAP.init(HEAP_MEM.as_ptr() as usize, HEAP_SIZE) }
}
- let font_seven = SevenSegmentFont::new();
let font_sixteen = SixteenSegmentFont::new();
// rp_pico::pac::Peripherals is a reference to physical hardware defined on the Pico.
@@ -151,187 +150,14 @@ unsafe fn main() -> ! {
let white = RGB { r: 63, g: 63, b: 63 };
loop {
- /*
- draw_seven_segment(0, &mut frame, 0, 0, (255, 255, 255));
- draw_seven_segment(1, &mut frame, 7, 0, (255, 255, 255));
- draw_seven_segment(2, &mut frame, 14, 0, (255, 255, 255));
- draw_seven_segment(3, &mut frame, 21, 0, (255, 255, 255));
- draw_seven_segment(4, &mut frame, 28, 0, (255, 255, 255));
- draw_seven_segment(5, &mut frame, 35, 0, (255, 255, 255));
- draw_seven_segment(6, &mut frame, 42, 0, (255, 255, 255));
- draw_seven_segment(7, &mut frame, 49, 0, (255, 255, 255));
- draw_seven_segment(8, &mut frame, 56, 0, (255, 255, 255));
- draw_seven_segment(9, &mut frame, 63, 0, (255, 255, 255));
- */
+ print(&mut canvas, &font_sixteen, 1, 1, " !\"#$%&'<>*+,-./", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_sixteen, 1, 21, "0123456789| = ?", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_sixteen, 1, 41, "@ABCDEFGHIJKLMNO", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_sixteen, 1, 61, "PQRSTUVWXYZ[\\]^_", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_sixteen, 1, 81, "`abcdefghijklmno", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_sixteen, 1, 101, "pqrstuvwxyz{|}", &RGB{ r: 63, g: 63, b: 63 });
- font_seven
- .glyph(' ')
- .draw(&mut canvas, 0, 0, &white);
- font_seven
- .glyph('0')
- .draw(&mut canvas, 11, 0, &white);
- font_seven
- .glyph('1')
- .draw(&mut canvas, 22, 0, &white);
- font_seven
- .glyph('2')
- .draw(&mut canvas, 33, 0, &white);
- font_seven
- .glyph('3')
- .draw(&mut canvas, 44, 0, &white);
- font_seven
- .glyph('4')
- .draw(&mut canvas, 55, 0, &white);
- font_seven
- .glyph('5')
- .draw(&mut canvas, 66, 0, &white);
- font_seven
- .glyph('6')
- .draw(&mut canvas, 77, 0, &white);
- font_seven
- .glyph('7')
- .draw(&mut canvas, 88, 0, &white);
- font_seven
- .glyph('8')
- .draw(&mut canvas, 99, 0, &white);
- font_seven
- .glyph('9')
- .draw(&mut canvas, 110, 0, &white);
-
- font_seven
- .glyph('A')
- .draw(&mut canvas, 121, 0, &white);
- font_seven
- .glyph('B')
- .draw(&mut canvas, 132, 0, &white);
- font_seven
- .glyph('C')
- .draw(&mut canvas, 143, 0, &white);
- font_seven
- .glyph('D')
- .draw(&mut canvas, 154, 0, &white);
- font_seven
- .glyph('E')
- .draw(&mut canvas, 165, 0, &white);
- font_seven
- .glyph('F')
- .draw(&mut canvas, 0, 20, &white);
-
- font_sixteen
- .glyph(' ')
- .draw(&mut canvas, 0, 20, &white);
- font_sixteen
- .glyph('0')
- .draw(&mut canvas, 11, 20, &white);
- font_sixteen
- .glyph('1')
- .draw(&mut canvas, 22, 20, &white);
- font_sixteen
- .glyph('2')
- .draw(&mut canvas, 33, 20, &white);
- font_sixteen
- .glyph('3')
- .draw(&mut canvas, 44, 20, &white);
- font_sixteen
- .glyph('4')
- .draw(&mut canvas, 55, 20, &white);
- font_sixteen
- .glyph('5')
- .draw(&mut canvas, 66, 20, &white);
- font_sixteen
- .glyph('6')
- .draw(&mut canvas, 77, 20, &white);
- font_sixteen
- .glyph('7')
- .draw(&mut canvas, 88, 20, &white);
- font_sixteen
- .glyph('8')
- .draw(&mut canvas, 99, 20, &white);
- font_sixteen
- .glyph('9')
- .draw(&mut canvas, 110, 20, &white);
-
- font_sixteen
- .glyph('A')
- .draw(&mut canvas, 0, 40, &white);
- font_sixteen
- .glyph('B')
- .draw(&mut canvas, 11, 40, &white);
- font_sixteen
- .glyph('C')
- .draw(&mut canvas, 22, 40, &white);
- font_sixteen
- .glyph('D')
- .draw(&mut canvas, 33, 40, &white);
- font_sixteen
- .glyph('E')
- .draw(&mut canvas, 44, 40, &white);
- font_sixteen
- .glyph('F')
- .draw(&mut canvas, 55, 40, &white);
- font_sixteen
- .glyph('G')
- .draw(&mut canvas, 66, 40, &white);
- font_sixteen
- .glyph('H')
- .draw(&mut canvas, 77, 40, &white);
- font_sixteen
- .glyph('I')
- .draw(&mut canvas, 88, 40, &white);
- font_sixteen
- .glyph('J')
- .draw(&mut canvas, 99, 40, &white);
- font_sixteen
- .glyph('K')
- .draw(&mut canvas, 110, 40, &white);
- font_sixteen
- .glyph('L')
- .draw(&mut canvas, 121, 40, &white);
- font_sixteen
- .glyph('M')
- .draw(&mut canvas, 132, 40, &white);
- font_sixteen
- .glyph('N')
- .draw(&mut canvas, 143, 40, &white);
- font_sixteen
- .glyph('O')
- .draw(&mut canvas, 154, 40, &white);
-
- font_sixteen
- .glyph('P')
- .draw(&mut canvas, 0, 60, &white);
- font_sixteen
- .glyph('Q')
- .draw(&mut canvas, 11, 60, &white);
- font_sixteen
- .glyph('R')
- .draw(&mut canvas, 22, 60, &white);
- font_sixteen
- .glyph('S')
- .draw(&mut canvas, 33, 60, &white);
- font_sixteen
- .glyph('T')
- .draw(&mut canvas, 44, 60, &white);
- font_sixteen
- .glyph('U')
- .draw(&mut canvas, 55, 60, &white);
- font_sixteen
- .glyph('V')
- .draw(&mut canvas, 66, 60, &white);
- font_sixteen
- .glyph('W')
- .draw(&mut canvas, 77, 60, &white);
- font_sixteen
- .glyph('X')
- .draw(&mut canvas, 88, 60, &white);
- font_sixteen
- .glyph('Y')
- .draw(&mut canvas, 99, 60, &white);
- font_sixteen
- .glyph('Z')
- .draw(&mut canvas, 110, 60, &white);
-
- canvas.square(10, 70, 160, 310, &white);
+ // canvas.square(10, 70, 160, 310, &white);
{
let display = display.acquire();
--
2.47.2
From 596de6525f2b4908bc9e4a53ca7178ace1ca6dbd Mon Sep 17 00:00:00 2001
From: Savanni D'Gerinel <savanni@luminescent-dreams.com>
Date: Sat, 8 Mar 2025 01:23:06 -0500
Subject: [PATCH 3/4] Create a 5x8 bitmap font
---
pico-st7789/src/font/bits_5_8.rs | 180 +++++++++++++++++++++++++++++++
pico-st7789/src/font/mod.rs | 3 +
pico-st7789/src/main.rs | 15 ++-
3 files changed, 196 insertions(+), 2 deletions(-)
create mode 100644 pico-st7789/src/font/bits_5_8.rs
diff --git a/pico-st7789/src/font/bits_5_8.rs b/pico-st7789/src/font/bits_5_8.rs
new file mode 100644
index 0000000..301e3dd
--- /dev/null
+++ b/pico-st7789/src/font/bits_5_8.rs
@@ -0,0 +1,180 @@
+use alloc::collections::btree_map::BTreeMap;
+
+use crate::canvas::{Canvas, RGB};
+
+use super::{Font, Glyph};
+
+pub struct BitmapGlyph([u8; 8]);
+
+pub struct BitmapFont(BTreeMap<char, BitmapGlyph>);
+
+impl BitmapFont {
+ pub fn new() -> Self {
+ let mut font = BTreeMap::new();
+ font.insert(' ', BitmapGlyph([
+ 0b10101,
+ 0b01010,
+ 0b10101,
+ 0b01010,
+ 0b10101,
+ 0b01010,
+ 0b10101,
+ 0b01010,
+ ]));
+ font.insert(
+ '/',
+ BitmapGlyph([
+ 0b00001,
+ 0b00010,
+ 0b00010,
+ 0b00100,
+ 0b00100,
+ 0b01000,
+ 0b01000,
+ 0b10000,
+ ]),
+ );
+ font.insert(
+ '0',
+ BitmapGlyph([
+ 0b01110,
+ 0b10001,
+ 0b10001,
+ 0b10101,
+ 0b10101,
+ 0b10001,
+ 0b10001,
+ 0b01110,
+ ]),
+ );
+ font.insert(
+ '1',
+ BitmapGlyph([
+ 0b00001, 0b00011, 0b00101, 0b00001, 0b00001, 0b00001, 0b00001, 0b00001,
+ ]),
+ );
+ font.insert(
+ '2',
+ BitmapGlyph([
+ 0b01110, 0b10001, 0b00001, 0b00001, 0b00010, 0b00100, 0b01000, 0b11111,
+ ]),
+ );
+ font.insert(
+ '3',
+ BitmapGlyph([
+ 0b01110, 0b10001, 0b00001, 0b01110, 0b00001, 0b00001, 0b10001, 0b01110,
+ ]),
+ );
+ font.insert(
+ '4',
+ BitmapGlyph([
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b11111,
+ 0b00001,
+ 0b00001,
+ 0b00001,
+ 0b00001,
+ ]),
+ );
+ font.insert(
+ '5',
+ BitmapGlyph([
+ 0b11111,
+ 0b10000,
+ 0b10000,
+ 0b11111,
+ 0b00001,
+ 0b00001,
+ 0b10001,
+ 0b01110,
+ ]),
+ );
+ font.insert(
+ '6',
+ BitmapGlyph([
+ 0b01110,
+ 0b10001,
+ 0b10000,
+ 0b10000,
+ 0b11110,
+ 0b10001,
+ 0b10001,
+ 0b01110,
+ ]),
+ );
+ font.insert(
+ '7',
+ BitmapGlyph([
+ 0b11111,
+ 0b00001,
+ 0b00001,
+ 0b00010,
+ 0b00110,
+ 0b00100,
+ 0b01000,
+ 0b01000,
+ ]),
+ );
+ font.insert(
+ '8',
+ BitmapGlyph([
+ 0b01110,
+ 0b10001,
+ 0b10001,
+ 0b01110,
+ 0b01110,
+ 0b10001,
+ 0b10001,
+ 0b01110,
+ ]),
+ );
+ font.insert(
+ '9',
+ BitmapGlyph([
+ 0b01110,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b01111,
+ 0b00001,
+ 0b00001,
+ 0b01110,
+ ]),
+ );
+ Self(font)
+ }
+}
+
+impl Font<BitmapGlyph> for BitmapFont {
+ fn glyph(&self, c: char) -> &BitmapGlyph {
+ self.0.get(&c).unwrap_or(self.0.get(&' ').unwrap())
+ }
+}
+
+impl Glyph for BitmapGlyph {
+ fn draw(&self, canvas: &mut impl Canvas, x: usize, y: usize, color: &RGB) {
+ for row in 0..8 {
+ if self.0[row] & (1 << 4) > 0 {
+ canvas.set_pixel(x, y + row, color);
+ }
+ if self.0[row] & (1 << 3) > 0 {
+ canvas.set_pixel(x + 1, y + row, color);
+ }
+ if self.0[row] & (1 << 2) > 0 {
+ canvas.set_pixel(x + 2, y + row, color);
+ }
+ if self.0[row] & (1 << 1) > 0 {
+ canvas.set_pixel(x + 3, y + row, color);
+ }
+ if self.0[row] & 1 > 0 {
+ canvas.set_pixel(x + 4, y + row, color);
+ }
+ }
+ }
+
+ fn extents(&self) -> (usize, usize) {
+ (5, 8)
+ }
+}
diff --git a/pico-st7789/src/font/mod.rs b/pico-st7789/src/font/mod.rs
index 3886765..f20065b 100644
--- a/pico-st7789/src/font/mod.rs
+++ b/pico-st7789/src/font/mod.rs
@@ -1,5 +1,8 @@
use crate::canvas::{Canvas, RGB};
+mod bits_5_8;
+pub use bits_5_8::BitmapFont;
+
mod seven_segment;
pub use seven_segment::SevenSegmentFont;
diff --git a/pico-st7789/src/main.rs b/pico-st7789/src/main.rs
index 79da94f..5537613 100644
--- a/pico-st7789/src/main.rs
+++ b/pico-st7789/src/main.rs
@@ -17,7 +17,7 @@ mod canvas;
use canvas::{Canvas, RGB, print};
mod font;
-use font::{Font, Glyph, SevenSegmentFont, SixteenSegmentFont};
+use font::{BitmapFont, Font, Glyph, SevenSegmentFont, SixteenSegmentFont};
mod st7789;
use st7789::{ST7789Display, SETUP_PROGRAM};
@@ -59,12 +59,13 @@ impl Canvas for FrameBuf {
unsafe fn main() -> ! {
{
use core::mem::MaybeUninit;
- const HEAP_SIZE: usize = 1024;
+ const HEAP_SIZE: usize = 64 * 1024;
static mut HEAP_MEM: [MaybeUninit<u8>; HEAP_SIZE] = [MaybeUninit::uninit(); HEAP_SIZE];
unsafe { HEAP.init(HEAP_MEM.as_ptr() as usize, HEAP_SIZE) }
}
let font_sixteen = SixteenSegmentFont::new();
+ let font_bitmap = BitmapFont::new();
// rp_pico::pac::Peripherals is a reference to physical hardware defined on the Pico.
let mut peripherals = pac::Peripherals::take().unwrap();
@@ -157,6 +158,16 @@ unsafe fn main() -> ! {
print(&mut canvas, &font_sixteen, 1, 81, "`abcdefghijklmno", &RGB{ r: 63, g: 63, b: 63 });
print(&mut canvas, &font_sixteen, 1, 101, "pqrstuvwxyz{|}", &RGB{ r: 63, g: 63, b: 63 });
+
+ print(&mut canvas, &font_bitmap, 1, 121, " !\"#$%&'<>*+,-./", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_bitmap, 1, 141, "0123456789| = ?", &RGB{ r: 63, g: 63, b: 63 });
+ /*
+ print(&mut canvas, &font_bitmap, 1, 161, "@ABCDEFGHIJKLMNO", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_bitmap, 1, 181, "PQRSTUVWXYZ[\\]^_", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_bitmap, 1, 201, "`abcdefghijklmno", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_bitmap, 1, 221, "pqrstuvwxyz{|}", &RGB{ r: 63, g: 63, b: 63 });
+ */
+
// canvas.square(10, 70, 160, 310, &white);
{
--
2.47.2
From 36eef459710d391515f5db6244d8a886be9bf533 Mon Sep 17 00:00:00 2001
From: Savanni D'Gerinel <savanni@luminescent-dreams.com>
Date: Sat, 8 Mar 2025 01:49:43 -0500
Subject: [PATCH 4/4] Fill out an alphabet and animate the screen
---
pico-st7789/src/canvas.rs | 8 +
pico-st7789/src/font/bits_5_8.rs | 377 +++++++++++++++++++++++++++++--
pico-st7789/src/main.rs | 28 +--
3 files changed, 374 insertions(+), 39 deletions(-)
diff --git a/pico-st7789/src/canvas.rs b/pico-st7789/src/canvas.rs
index a695b86..7a16821 100644
--- a/pico-st7789/src/canvas.rs
+++ b/pico-st7789/src/canvas.rs
@@ -19,6 +19,14 @@ pub struct RGB {
pub trait Canvas {
fn set_pixel(&mut self, x: usize, y: usize, color: &RGB);
+ fn fill(&mut self, x1: usize, y1: usize, x2: usize, y2: usize, color: &RGB) {
+ for x in x1..x2 + 1 {
+ for y in y1..y2 + 1 {
+ self.set_pixel(x, y, color);
+ }
+ }
+ }
+
fn square(&mut self, x1: usize, y1: usize, x2: usize, y2: usize, color: &RGB) {
for x in x1..x2 + 1 {
self.set_pixel(x, y1, color);
diff --git a/pico-st7789/src/font/bits_5_8.rs b/pico-st7789/src/font/bits_5_8.rs
index 301e3dd..ecada60 100644
--- a/pico-st7789/src/font/bits_5_8.rs
+++ b/pico-st7789/src/font/bits_5_8.rs
@@ -4,7 +4,7 @@ use crate::canvas::{Canvas, RGB};
use super::{Font, Glyph};
-pub struct BitmapGlyph([u8; 8]);
+pub struct BitmapGlyph([u8; 7]);
pub struct BitmapFont(BTreeMap<char, BitmapGlyph>);
@@ -12,15 +12,26 @@ impl BitmapFont {
pub fn new() -> Self {
let mut font = BTreeMap::new();
font.insert(' ', BitmapGlyph([
- 0b10101,
- 0b01010,
- 0b10101,
- 0b01010,
- 0b10101,
- 0b01010,
- 0b10101,
- 0b01010,
+ 0b00000,
+ 0b00000,
+ 0b00000,
+ 0b00000,
+ 0b00000,
+ 0b00000,
+ 0b00000,
]));
+ font.insert(
+ ':',
+ BitmapGlyph([
+ 0b00000,
+ 0b00100,
+ 0b00100,
+ 0b00000,
+ 0b00100,
+ 0b00100,
+ 0b00000,
+ ]),
+ );
font.insert(
'/',
BitmapGlyph([
@@ -28,7 +39,6 @@ impl BitmapFont {
0b00010,
0b00010,
0b00100,
- 0b00100,
0b01000,
0b01000,
0b10000,
@@ -41,7 +51,6 @@ impl BitmapFont {
0b10001,
0b10001,
0b10101,
- 0b10101,
0b10001,
0b10001,
0b01110,
@@ -50,19 +59,37 @@ impl BitmapFont {
font.insert(
'1',
BitmapGlyph([
- 0b00001, 0b00011, 0b00101, 0b00001, 0b00001, 0b00001, 0b00001, 0b00001,
+ 0b00001,
+ 0b00011,
+ 0b00101,
+ 0b00001,
+ 0b00001,
+ 0b00001,
+ 0b00001,
]),
);
font.insert(
'2',
BitmapGlyph([
- 0b01110, 0b10001, 0b00001, 0b00001, 0b00010, 0b00100, 0b01000, 0b11111,
+ 0b01110,
+ 0b10001,
+ 0b00001,
+ 0b00010,
+ 0b00100,
+ 0b01000,
+ 0b11111,
]),
);
font.insert(
'3',
BitmapGlyph([
- 0b01110, 0b10001, 0b00001, 0b01110, 0b00001, 0b00001, 0b10001, 0b01110,
+ 0b01110,
+ 0b10001,
+ 0b00001,
+ 0b01110,
+ 0b00001,
+ 0b10001,
+ 0b01110,
]),
);
font.insert(
@@ -75,7 +102,6 @@ impl BitmapFont {
0b00001,
0b00001,
0b00001,
- 0b00001,
]),
);
font.insert(
@@ -86,7 +112,6 @@ impl BitmapFont {
0b10000,
0b11111,
0b00001,
- 0b00001,
0b10001,
0b01110,
]),
@@ -97,7 +122,6 @@ impl BitmapFont {
0b01110,
0b10001,
0b10000,
- 0b10000,
0b11110,
0b10001,
0b10001,
@@ -109,7 +133,6 @@ impl BitmapFont {
BitmapGlyph([
0b11111,
0b00001,
- 0b00001,
0b00010,
0b00110,
0b00100,
@@ -124,7 +147,6 @@ impl BitmapFont {
0b10001,
0b10001,
0b01110,
- 0b01110,
0b10001,
0b10001,
0b01110,
@@ -136,13 +158,324 @@ impl BitmapFont {
0b01110,
0b10001,
0b10001,
- 0b10001,
0b01111,
0b00001,
0b00001,
0b01110,
]),
);
+ font.insert(
+ 'A',
+ BitmapGlyph([
+ 0b00100,
+ 0b01010,
+ 0b01010,
+ 0b10001,
+ 0b11111,
+ 0b10001,
+ 0b10001,
+ ]),
+ );
+ font.insert(
+ 'B',
+ BitmapGlyph([
+ 0b11110,
+ 0b10001,
+ 0b10001,
+ 0b1111 ,
+ 0b10001,
+ 0b10001,
+ 0b11110,
+ ]),
+ );
+ font.insert(
+ 'C',
+ BitmapGlyph([
+ 0b01110,
+ 0b10001,
+ 0b10000,
+ 0b10000,
+ 0b10000,
+ 0b10001,
+ 0b01110,
+ ]),
+ );
+ font.insert(
+ 'D',
+ BitmapGlyph([
+ 0b11110,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b11110,
+ ]),
+ );
+ font.insert(
+ 'E',
+ BitmapGlyph([
+ 0b11111,
+ 0b10000,
+ 0b10000,
+ 0b11111,
+ 0b10000,
+ 0b10000,
+ 0b11111,
+ ]),
+ );
+ font.insert(
+ 'F',
+ BitmapGlyph([
+ 0b11111,
+ 0b10000,
+ 0b10000,
+ 0b11110,
+ 0b10000,
+ 0b10000,
+ 0b10000,
+ ]),
+ );
+ font.insert(
+ 'G',
+ BitmapGlyph([
+ 0b01110,
+ 0b10001,
+ 0b10000,
+ 0b10011,
+ 0b10001,
+ 0b10001,
+ 0b01110,
+ ]),
+ );
+ font.insert(
+ 'H',
+ BitmapGlyph([
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b11111,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ ]),
+ );
+ font.insert(
+ 'I',
+ BitmapGlyph([
+ 0b11111,
+ 0b00100,
+ 0b00100,
+ 0b00100,
+ 0b00100,
+ 0b00100,
+ 0b11111,
+ ]),
+ );
+ font.insert(
+ 'J',
+ BitmapGlyph([
+ 0b00111,
+ 0b00001,
+ 0b00001,
+ 0b00001,
+ 0b00001,
+ 0b10001,
+ 0b01110,
+ ]),
+ );
+ font.insert(
+ 'K',
+ BitmapGlyph([
+ 0b10001,
+ 0b10010,
+ 0b10100,
+ 0b11000,
+ 0b10100,
+ 0b10010,
+ 0b10001,
+ ]),
+ );
+ font.insert(
+ 'L',
+ BitmapGlyph([
+ 0b10000,
+ 0b10000,
+ 0b10000,
+ 0b10000,
+ 0b10000,
+ 0b10000,
+ 0b11111,
+ ]),
+ );
+ font.insert(
+ 'M',
+ BitmapGlyph([
+ 0b10001,
+ 0b11011,
+ 0b10101,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ ]),
+ );
+ font.insert(
+ 'N',
+ BitmapGlyph([
+ 0b10001,
+ 0b11001,
+ 0b11001,
+ 0b10101,
+ 0b10011,
+ 0b10011,
+ 0b10001,
+ ]),
+ );
+ font.insert(
+ 'O',
+ BitmapGlyph([
+ 0b01110,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b01110,
+ ]),
+ );
+ font.insert(
+ 'P',
+ BitmapGlyph([
+ 0b11110,
+ 0b10001,
+ 0b10001,
+ 0b11110,
+ 0b10000,
+ 0b10000,
+ 0b10000,
+ ]),
+ );
+ font.insert(
+ 'Q',
+ BitmapGlyph([
+ 0b01110,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b10101,
+ 0b10011,
+ 0b01110,
+ ]),
+ );
+ font.insert(
+ 'R',
+ BitmapGlyph([
+ 0b11110,
+ 0b10001,
+ 0b10001,
+ 0b11110,
+ 0b10100,
+ 0b10010,
+ 0b10001,
+ ]),
+ );
+ font.insert(
+ 'S',
+ BitmapGlyph([
+ 0b01110,
+ 0b10001,
+ 0b10000,
+ 0b01110,
+ 0b00001,
+ 0b10001,
+ 0b01110,
+ ]),
+ );
+ font.insert(
+ 'T',
+ BitmapGlyph([
+ 0b11111,
+ 0b00100,
+ 0b00100,
+ 0b00100,
+ 0b00100,
+ 0b00100,
+ 0b00100,
+ ]),
+ );
+ font.insert(
+ 'U',
+ BitmapGlyph([
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b01110,
+ ]),
+ );
+ font.insert(
+ 'V',
+ BitmapGlyph([
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b01010,
+ 0b01010,
+ 0b00100,
+ ]),
+ );
+ font.insert(
+ 'W',
+ BitmapGlyph([
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b10001,
+ 0b10101,
+ 0b10101,
+ 0b01010,
+ ]),
+ );
+ font.insert(
+ 'X',
+ BitmapGlyph([
+ 0b10001,
+ 0b10001,
+ 0b01010,
+ 0b00100,
+ 0b01010,
+ 0b10001,
+ 0b10001,
+ ]),
+ );
+ font.insert(
+ 'Y',
+ BitmapGlyph([
+ 0b10001,
+ 0b10001,
+ 0b01010,
+ 0b00100,
+ 0b00100,
+ 0b00100,
+ 0b00100,
+ ]),
+ );
+ font.insert(
+ 'Z',
+ BitmapGlyph([
+ 0b11111,
+ 0b00001,
+ 0b00010,
+ 0b00100,
+ 0b01000,
+ 0b10000,
+ 0b11111,
+ ]),
+ );
Self(font)
}
}
@@ -155,7 +488,7 @@ impl Font<BitmapGlyph> for BitmapFont {
impl Glyph for BitmapGlyph {
fn draw(&self, canvas: &mut impl Canvas, x: usize, y: usize, color: &RGB) {
- for row in 0..8 {
+ for row in 0..7 {
if self.0[row] & (1 << 4) > 0 {
canvas.set_pixel(x, y + row, color);
}
@@ -175,6 +508,6 @@ impl Glyph for BitmapGlyph {
}
fn extents(&self) -> (usize, usize) {
- (5, 8)
+ (5, 7)
}
}
diff --git a/pico-st7789/src/main.rs b/pico-st7789/src/main.rs
index 5537613..ad3a90f 100644
--- a/pico-st7789/src/main.rs
+++ b/pico-st7789/src/main.rs
@@ -3,6 +3,7 @@
extern crate alloc;
+use alloc::fmt::format;
use embedded_alloc::LlffHeap as Heap;
use embedded_hal::{delay::DelayNs, digital::OutputPin};
use fugit::RateExtU32;
@@ -64,7 +65,6 @@ unsafe fn main() -> ! {
unsafe { HEAP.init(HEAP_MEM.as_ptr() as usize, HEAP_SIZE) }
}
- let font_sixteen = SixteenSegmentFont::new();
let font_bitmap = BitmapFont::new();
// rp_pico::pac::Peripherals is a reference to physical hardware defined on the Pico.
@@ -149,24 +149,17 @@ unsafe fn main() -> ! {
*/
let mut canvas = FrameBuf::new();
let white = RGB { r: 63, g: 63, b: 63 };
+ let mut count = 0;
loop {
- print(&mut canvas, &font_sixteen, 1, 1, " !\"#$%&'<>*+,-./", &RGB{ r: 63, g: 63, b: 63 });
- print(&mut canvas, &font_sixteen, 1, 21, "0123456789| = ?", &RGB{ r: 63, g: 63, b: 63 });
- print(&mut canvas, &font_sixteen, 1, 41, "@ABCDEFGHIJKLMNO", &RGB{ r: 63, g: 63, b: 63 });
- print(&mut canvas, &font_sixteen, 1, 61, "PQRSTUVWXYZ[\\]^_", &RGB{ r: 63, g: 63, b: 63 });
- print(&mut canvas, &font_sixteen, 1, 81, "`abcdefghijklmno", &RGB{ r: 63, g: 63, b: 63 });
- print(&mut canvas, &font_sixteen, 1, 101, "pqrstuvwxyz{|}", &RGB{ r: 63, g: 63, b: 63 });
-
-
- print(&mut canvas, &font_bitmap, 1, 121, " !\"#$%&'<>*+,-./", &RGB{ r: 63, g: 63, b: 63 });
- print(&mut canvas, &font_bitmap, 1, 141, "0123456789| = ?", &RGB{ r: 63, g: 63, b: 63 });
- /*
- print(&mut canvas, &font_bitmap, 1, 161, "@ABCDEFGHIJKLMNO", &RGB{ r: 63, g: 63, b: 63 });
- print(&mut canvas, &font_bitmap, 1, 181, "PQRSTUVWXYZ[\\]^_", &RGB{ r: 63, g: 63, b: 63 });
- print(&mut canvas, &font_bitmap, 1, 201, "`abcdefghijklmno", &RGB{ r: 63, g: 63, b: 63 });
- print(&mut canvas, &font_bitmap, 1, 221, "pqrstuvwxyz{|}", &RGB{ r: 63, g: 63, b: 63 });
- */
+ canvas.fill(0, 10, 170, 20, &RGB{r: 0, g: 0, b: 0 });
+ print(&mut canvas, &font_bitmap, 1, 10, &format(format_args!("COUNT: {:03}", count)), &RGB{ r: 32, g: 32, b: 63 });
+ print(&mut canvas, &font_bitmap, 1, 200, " !\"#$%&'<>*+,-./", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_bitmap, 1, 220, "0123456789|: = ?", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_bitmap, 1, 240, "@ABCDEFGHIJKLMNO", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_bitmap, 1, 260, "PQRSTUVWXYZ[\\]^_", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_bitmap, 1, 280, "`abcdefghijklmno", &RGB{ r: 63, g: 63, b: 63 });
+ print(&mut canvas, &font_bitmap, 1, 300, "pqrstuvwxyz{|}", &RGB{ r: 63, g: 63, b: 63 });
// canvas.square(10, 70, 160, 310, &white);
@@ -177,6 +170,7 @@ unsafe fn main() -> ! {
display.send_buf(canvas.buf);
let _ = led.set_low();
}
+ count = count + 1;
/*
for x in 80..90 {
for y in 155..165 {
--
2.47.2