Included lib for adg2128.

src/adg2128.rs

@@ -0,0 +1,160 @@
+use embassy_embedded_hal::shared_bus::blocking::i2c::I2cDevice;
+use embassy_stm32::{i2c::I2c, mode::Blocking};
+use embassy_sync::blocking_mutex::raw::NoopRawMutex;
+
+use embedded_hal_1::i2c::I2c as _;
+
+#[derive(Copy, Clone)]
+#[allow(dead_code)]
+pub enum SetX {
+    X0 = 0b0000,
+    X1,
+    X2,
+    X3,
+    X4,
+    X5,
+    X6 = 0b1000,
+    X7,
+    X8,
+    X9,
+    X10,
+    X11,
+}
+
+impl SetX{
+    pub fn from_u8(value: u8) -> Self {
+        const VARIANTS: [SetX; 12] = [
+            SetX::X0, SetX::X1, SetX::X2, SetX::X3,
+            SetX::X4, SetX::X5, SetX::X6, SetX::X7,
+            SetX::X8, SetX::X9, SetX::X10, SetX::X11,
+        ];
+
+        *VARIANTS.get(value as usize).expect("Invalid value for SetX")
+    }
+}
+
+#[derive(Copy, Clone)]
+#[allow(dead_code)]
+pub enum SetY {
+    Y0 = 0b000,
+    Y1,
+    Y2,
+    Y3,
+    Y4,
+    Y5,
+    Y6,
+    Y7,
+}
+
+impl SetY {
+    pub fn from_u8(value: u8) -> Self {
+        const VARIANTS: [SetY; 8] = [
+            SetY::Y0, SetY::Y1, SetY::Y2, SetY::Y3,
+            SetY::Y4, SetY::Y5, SetY::Y6, SetY::Y7,
+        ];
+
+        *VARIANTS.get(value as usize).expect("Invalid value for SetY")
+    }
+}
+
+#[derive(Copy, Clone)]
+#[allow(dead_code)]
+pub enum GetX {
+    X0  = 0b0011_0100,
+    X1  = 0b0011_1100,
+    X2  = 0b0111_0100,
+    X3  = 0b0111_1100,
+    X4  = 0b0011_0101,
+    X5  = 0b0011_1101,
+    X6  = 0b0111_0101,
+    X7  = 0b0111_1101,
+    X8  = 0b0011_0110,
+    X9  = 0b0011_1110,
+    X10 = 0b0111_0110,
+    X11 = 0b0111_1110,
+}
+
+impl GetX {
+    pub fn from_u8(value: u8) -> Self {
+        const VARIANTS: [GetX; 12] = [
+            GetX::X0, GetX::X1, GetX::X2, GetX::X3,
+            GetX::X4, GetX::X5, GetX::X6, GetX::X7,
+            GetX::X8, GetX::X9, GetX::X10, GetX::X11,
+        ];
+
+        *VARIANTS.get(value as usize).expect("Invalid value for GetX")
+    }
+}
+
+#[allow(dead_code)]
+pub enum State {
+    DISABLED = 0b0,
+    ENABLED  = 0b1,
+}
+
+#[allow(dead_code)]
+enum LDSW {
+    EN = 0b1,
+    DIS = 0b0,
+}
+
+pub struct ADG2128 {
+    i2c: I2cDevice<'static, NoopRawMutex, I2c<'static, Blocking>>,
+    address: u8,
+    states_xy: [u8; 12]
+}
+
+impl ADG2128 {
+    pub fn new(i2c: I2cDevice<'static, NoopRawMutex, I2c<'static, Blocking>>, address: u8) -> Self {
+        ADG2128 { i2c, address, states_xy: [0u8; 12]}
+    }
+
+    pub fn set(&mut self, io_1: SetX, io_2: SetY, state: State) {
+        let mut data = [0u8; 2];
+        data[0] = (state as u8) << 7 | (io_1 as u8) << 3 | (io_2 as u8);
+        data[1] = LDSW::EN as u8;
+        self.i2c.write(self.address, &data).unwrap()
+    }
+
+    pub fn get(&mut self, io: GetX) -> u8 {
+        let mut data_out = [0u8; 2];
+        let mut data_in = [0u8; 2];
+        data_out[0] = io as u8;
+        self.i2c.write_read(self.address, &mut data_out, &mut data_in).unwrap();
+        
+        data_in[1]
+    }
+
+    pub fn get_all(&mut self) -> [u8; 12] {
+        let mut states_xy = [0u8; 12]; 
+
+        for (x_line, y_states) in states_xy.iter_mut().enumerate() {
+            let x_line_data = GetX::from_u8(x_line as u8);
+            *y_states = self.get(x_line_data);
+        }
+
+        self.states_xy.copy_from_slice(states_xy.as_slice());
+
+        states_xy
+    }
+
+    pub fn reset_all(&mut self) {
+        let states_xy = self.get_all();
+
+        // Find bits that are set
+        for (x_line, &state) in states_xy.iter().enumerate() {
+            if state == 0 {
+                continue; // Skip zero states early
+            }
+            for value in 0..8 {
+                if (state >> value) & 1 == 1 {
+                    self.set(
+                        SetX::from_u8(x_line as u8),
+                        SetY::from_u8(value),
+                        State::DISABLED,
+                    );
+                }
+            }
+        }
+    }
+}