Init Commit

Monorepo for Rust support of VA416XX family of radiation hardened MCUs

vorago-peb1/src/lib.rs

@@ -0,0 +1,51 @@
+//! Board support crate for the VORAGO PEB1 board.
+#![no_std]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+
+pub use lis2dh12;
+
+/// Support for the LIS2DH12 accelerometer on the GPIO board.
+pub mod accelerometer {
+
+    use lis2dh12::{self, detect_i2c_addr, AddrDetectionError, Lis2dh12};
+    use va416xx_hal::{
+        clock::Clocks,
+        i2c::{self, ClockTooSlowForFastI2c, I2cMaster, I2cSpeed, MasterConfig},
+        pac,
+    };
+
+    // Accelerometer located on the GPIO board.
+    pub type Accelerometer = Lis2dh12<I2cMaster<pac::I2c0>>;
+
+    #[derive(Debug)]
+    pub enum ConstructorError {
+        ClkError(ClockTooSlowForFastI2c),
+        AddrDetectionError(AddrDetectionError<i2c::Error>),
+        AccelerometerError(lis2dh12::Error<i2c::Error>),
+    }
+
+    pub fn new_with_addr_detection(
+        i2c: pac::I2c0,
+        sysconfig: &mut pac::Sysconfig,
+        clocks: &Clocks,
+    ) -> Result<Accelerometer, ConstructorError> {
+        let mut i2c_master = I2cMaster::new(
+            i2c,
+            sysconfig,
+            MasterConfig::default(),
+            clocks,
+            I2cSpeed::Regular100khz,
+        )
+        .map_err(ConstructorError::ClkError)?;
+        let slave_addr =
+            detect_i2c_addr(&mut i2c_master).map_err(ConstructorError::AddrDetectionError)?;
+        Lis2dh12::new(i2c_master, slave_addr).map_err(ConstructorError::AccelerometerError)
+    }
+
+    pub fn new_with_i2cm(
+        i2c: I2cMaster<pac::I2c0>,
+        addr: lis2dh12::SlaveAddr,
+    ) -> Result<Accelerometer, lis2dh12::Error<i2c::Error>> {
+        Lis2dh12::new(i2c, addr)
+    }
+}