Add Adafruit Macropad BSP

Cargo.toml

@@ -5,4 +5,5 @@ members = [
     "boards/pico",
     "boards/pico_explorer",
     "boards/pico_lipo_16mb",
+    "boards/adafruit_macropad",
 ]

boards/adafruit_macropad/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "adafruit_macropad"
+version = "0.1.0"
+authors = ["Andrea Nall <anall@andreanal.com>"]
+edition = "2018"
+description = "Board Support Package for the Adafruit Macropad"
+license = "MIT OR Apache-2.0"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+cortex-m = "0.7.2"
+rp2040-hal = { path = "../../rp2040-hal", version = "0.1.0" }
+cortex-m-rt = { version = "0.6.14", optional = true }
+
+[features]
+default = ["rt"]
+rt = ["cortex-m-rt","rp2040-hal/rt"]

boards/adafruit_macropad/src/lib.rs

@@ -0,0 +1,64 @@
+#![no_std]
+
+pub use rp2040_hal as hal;
+
+#[cfg(feature = "rt")]
+extern crate cortex_m_rt;
+#[cfg(feature = "rt")]
+pub use cortex_m_rt::entry;
+
+pub use hal::pac;
+
+hal::bsp_pins!(
+    Gpio0 { name: button },
+    Gpio1 { name: key1 },
+    Gpio2 { name: key2 },
+    Gpio3 { name: key3 },
+    Gpio4 { name: key4 },
+    Gpio5 { name: key5 },
+    Gpio6 { name: key6 },
+    Gpio7 { name: key7 },
+    Gpio8 { name: key8 },
+    Gpio9 { name: key9 },
+    Gpio10 { name: key10 },
+    Gpio11 { name: key11 },
+    Gpio12 { name: key12 },
+    Gpio13 { name: led },
+    Gpio14 {
+        name: speaker_shutdown
+    },
+    Gpio15 { name: speaker },
+    Gpio17 {
+        name: encoder_rota,
+        aliases: { PullUpInput: RotaryA }
+    },
+    Gpio18 {
+        name: encoder_rotb,
+        aliases: { PullUpInput: RotaryB }
+    },
+    Gpio19 { name: neopixel },
+    Gpio20 {
+        name: sda,
+        aliases: { FunctionI2C: Sda }
+    },
+    Gpio21 {
+        name: scl,
+        aliases: { FunctionI2C: Scl }
+    },
+    // This CS is on the wrong SPI channel so cannot be controlled by the peripheral
+    Gpio22 { name: oled_cs },
+    Gpio23 { name: oled_reset },
+    Gpio24 { name: oled_dc },
+    Gpio26 {
+        name: sclk,
+        aliases: { FunctionSpi: Sclk }
+    },
+    Gpio27 {
+        name: mosi,
+        aliases: { FunctionSpi: Mosi }
+    },
+    Gpio28 {
+        name: miso,
+        aliases: { FunctionSpi: Miso }
+    },
+);