tildagon 0.0.6

Board support crate for the Electromagnetic Field Tildagon badge
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129

#[cfg(not(feature = "top-board-none"))]
use crate::hexpansion_slots::HexpansionSlot;
use crate::{pins::LedPins, resources::LedResources};
use defmt::Format;
use embedded_aw9523::{Output, async_traits::digital::OutputPin};
use embedded_hal::digital::{ErrorKind, PinState};
use esp_hal::{
    Blocking,
    rmt::{ChannelCreator, PulseCode},
};
use esp_hal_smartled::{LedAdapterError, SmartLedsAdapter, buffer_size, smart_led_buffer};
use smart_leds::{RGB8, SmartLedsWrite, brightness, gamma};

const RMT_BUFFER_SIZE: usize = buffer_size(LED_COUNT);

pub type RmtBuffer = [PulseCode; RMT_BUFFER_SIZE];

pub fn make_rmt_buffer() -> RmtBuffer {
    smart_led_buffer!(LED_COUNT)
}

pub struct Leds<'ch, I2C> {
    led_power: Output<I2C>,

    leds: SmartLedsAdapter<'ch, RMT_BUFFER_SIZE>,

    pub intensity: u8,
    pub pixels: [RGB8; LED_COUNT],
}

impl<'ch, I2C, E> Leds<'ch, I2C>
where
    I2C: embedded_hal_async::i2c::I2c<Error = E>,
{
    pub fn new(
        pins: LedPins<I2C>,
        r: LedResources<'static>,
        rmt_ch: ChannelCreator<'static, Blocking, 0>,
        rmt_buffer: &'ch mut [PulseCode; RMT_BUFFER_SIZE],
    ) -> Self {
        let leds = SmartLedsAdapter::new(rmt_ch, r.data, rmt_buffer);

        Self {
            led_power: pins.power_enable,
            leds,
            intensity: 255,
            pixels: [RGB8::default(); LED_COUNT],
        }
    }

    pub async fn set_power(&mut self, on: bool) -> Result<(), ErrorKind> {
        self.led_power
            .set_state(match on {
                true => PinState::High,
                false => PinState::Low,
            })
            .await
    }

    pub fn write(&mut self) -> Result<(), LedAdapterError> {
        self.leds
            .write(brightness(gamma(self.pixels.into_iter()), self.intensity))
    }

    pub fn main_board_pixel(&mut self) -> &mut RGB8 {
        &mut self.pixels[0]
    }

    #[cfg(feature = "top-board-2024")]
    pub fn hexpansion_pixel(&mut self, hex: HexpansionSlot) -> &mut RGB8 {
        let pixel = match hex {
            HexpansionSlot::A => Pixel::HexpansionA,
            HexpansionSlot::B => Pixel::HexpansionB,
            HexpansionSlot::C => Pixel::HexpansionC,
            HexpansionSlot::D => Pixel::HexpansionD,
            HexpansionSlot::E => Pixel::HexpansionE,
            HexpansionSlot::F => Pixel::HexpansionF,
        };
        &mut self.pixels[pixel as usize]
    }

    #[cfg(feature = "top-board-2024")]
    pub fn hexpansion_pixels(&mut self) -> &mut [RGB8] {
        &mut self.pixels[13..19]
    }

    #[cfg(feature = "top-board-2024")]
    pub fn front_pixels(&mut self) -> &mut [RGB8] {
        &mut self.pixels[1..13]
    }
}

#[cfg(feature = "top-board-none")]
pub const LED_COUNT: usize = 1;

#[cfg(feature = "top-board-none")]
#[derive(Debug, Format, PartialEq, Eq, Clone)]
#[repr(usize)]
pub enum Pixel {
    BaseBoard = 0,
}

#[cfg(feature = "top-board-2024")]
pub const LED_COUNT: usize = 19;

#[cfg(feature = "top-board-2024")]
#[derive(Debug, Format, PartialEq, Eq, Clone)]
#[repr(usize)]
pub enum Pixel {
    BaseBoard = 0,
    Front1 = 1,
    Front2 = 2,
    Front3 = 3,
    Front4 = 4,
    Front5 = 5,
    Front6 = 6,
    Front7 = 7,
    Front8 = 8,
    Front9 = 9,
    Front10 = 10,
    Front11 = 11,
    Front12 = 12,
    HexpansionA = 13,
    HexpansionB = 14,
    HexpansionC = 15,
    HexpansionD = 16,
    HexpansionE = 17,
    HexpansionF = 18,
}