.vscode/launch.json

@@ -9,7 +9,6 @@
             "request": "launch",
             "name": "Debug Blinky",
             "servertype": "jlink",
-            "gdbPath": "/usr/bin/gdb-multiarch",
             "cwd": "${workspaceRoot}",
             "device": "VA10820",
             "svdFile": "../va108xx-rs/va108xx.svd",

CHANGELOG.md

@@ -0,0 +1,15 @@
+Change Log
+=======
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/)
+and this project adheres to [Semantic Versioning](http://semver.org/).
+
+## [unreleased]
+
+## [v0.2.3]
+
+- Added basic accelerometer example. Board in not populated so it is not complete, but
+  it provides a starting point
+- Added ADC base library and example building on the new max116xx-10bit device driver crate

Cargo.toml

@@ -15,8 +15,12 @@ cortex-m = "0.7.3"
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 
+[dependencies.max116xx-10bit]
+path = "../max116xx-10bit"
+
 [dependencies.va108xx-hal]
-version = "0.2.3"
+path = "../va108xx-hal"
+# version = "0.4.1"
 features = ["rt"]
 
 [features]
@@ -27,7 +31,16 @@ cortex-m-rtic = "0.6.0-rc.4"
 panic-rtt-target = { version = "0.1", features = ["cortex-m"] }
 rtt-target = { version = "0.3", features = ["cortex-m"] }
 panic-halt = "0.2"
+nb = "1.0.0"
 
 [[example]]
 name = "blinky-button-rtic"
 required-features = ["rt"]
+
+[[example]]
+name = "adxl343-accelerometer"
+required-features = ["rt"]
+
+[[example]]
+name = "max11619-adc"
+required-features = ["rt", "nb"]

README.md

@@ -66,6 +66,17 @@ the [`Cortex-Debug` plugin](https://marketplace.visualstudio.com/items?itemName=
 Some sample configuration files for VS code were provided as well. You can simply use `Run and Debug`
 to automatically rebuild and flash your application.
 
+The `tasks.json` and the `launch.json` files are generic and you can use them immediately by
+opening the folder in VS code or adding it to a workspace.
+
+If you would like to use a custom GDB application, you can specify the gdb binary in the following
+configuration variables in your `settings.json`:
+
+- `"cortex-debug.gdbPath"`
+- `"cortex-debug.gdbPath.linux"`
+- `"cortex-debug.gdbPath.windows"`
+- `"cortex-debug.gdbPath.osx"`
+
 ## Flashing the non-volatile memory
 
 Coming Soon

examples/adxl343-accelerometer.rs

@@ -0,0 +1,89 @@
+//! ADXL343 accelerometer example
+//!
+//! Please note that the default REB1 board is not populated with the ADXL343BCCZ-RL7.
+//! To use this example, this chip needs to be soldered onto the board.
+#![no_main]
+#![no_std]
+use cortex_m_rt::entry;
+use embedded_hal::spi;
+use panic_rtt_target as _;
+use rtt_target::{rprintln, rtt_init_print};
+use va108xx_hal::{
+    gpio::PinsA,
+    pac::{self, interrupt},
+    prelude::*,
+    spi::{Spi, SpiConfig, TransferConfig},
+    timer::{default_ms_irq_handler, set_up_ms_timer, Delay},
+};
+
+const READ_MASK: u8 = 1 << 7;
+const _MULTI_BYTE_MASK: u8 = 1 << 6;
+const DEVID_REG: u8 = 0x00;
+
+const POWER_CTL_REG: u8 = 0x2D;
+const PWR_MEASUREMENT_MODE_MASK: u8 = 1 << 3;
+
+#[entry]
+fn main() -> ! {
+    rtt_init_print!();
+    rprintln!("-- Vorago Accelerometer Example --");
+    let mut dp = pac::Peripherals::take().unwrap();
+    let tim0 = set_up_ms_timer(
+        &mut dp.SYSCONFIG,
+        &mut dp.IRQSEL,
+        50.mhz().into(),
+        dp.TIM0,
+        interrupt::OC0,
+    );
+    let mut delay = Delay::new(tim0);
+    unsafe {
+        cortex_m::peripheral::NVIC::unmask(pac::Interrupt::OC0);
+    }
+
+    let pinsa = PinsA::new(&mut dp.SYSCONFIG, None, dp.PORTA);
+    let spi_cfg = SpiConfig::default();
+    let (sck, mosi, miso) = (
+        pinsa.pa20.into_funsel_2(),
+        pinsa.pa19.into_funsel_2(),
+        pinsa.pa18.into_funsel_2(),
+    );
+    let cs_pin = pinsa.pa16.into_funsel_2();
+
+    // Need to set the ADC chip select low
+    let mut adc_cs = pinsa.pa17.into_push_pull_output();
+    adc_cs
+        .set_high()
+        .expect("Setting ADC chip select high failed");
+
+    let transfer_cfg = TransferConfig::new(1.mhz(), spi::MODE_3, Some(cs_pin), false, true);
+    let mut spi = Spi::spib(
+        dp.SPIB,
+        (sck, miso, mosi),
+        50.mhz(),
+        spi_cfg,
+        Some(&mut dp.SYSCONFIG),
+        Some(&transfer_cfg.downgrade()),
+    );
+
+    let mut send_buf: [u8; 3] = [0; 3];
+    send_buf[0] = READ_MASK | DEVID_REG;
+    let reply = spi
+        .transfer(&mut send_buf[0..2])
+        .expect("Reading DEVID register failed");
+    rprintln!("DEVID register: {}", reply[1]);
+
+    send_buf[0] = POWER_CTL_REG;
+    send_buf[1] = PWR_MEASUREMENT_MODE_MASK;
+    spi.write(&send_buf[0..2])
+        .expect("Enabling measurement mode failed");
+
+    loop {
+        delay.delay_ms(500);
+        todo!("Not implemented for now, is not populated on the board..");
+    }
+}
+
+#[interrupt]
+fn OC0() {
+    default_ms_irq_handler();
+}

examples/max11619-adc.rs

@@ -0,0 +1,186 @@
+//! MAX11619 ADC example applikcation
+#![no_main]
+#![no_std]
+
+use core::panic;
+
+use cortex_m_rt::entry;
+use embedded_hal::spi;
+use panic_rtt_target as _;
+use rtt_target::{rprintln, rtt_init_print};
+use va108xx_hal::{
+    gpio::PinsA,
+    pac::{self, interrupt, SPIB},
+    prelude::*,
+    spi::{Spi, SpiBase, SpiConfig, TransferConfig},
+    timer::{default_ms_irq_handler, set_up_ms_timer, Delay},
+    utility::*,
+};
+use vorago_reb1::max11619::{
+    max11619_externally_clocked, max11619_internally_clocked, EocPin, AN2_CHANNEL,
+    POTENTIOMETER_CHANNEL,
+};
+
+#[derive(Debug, PartialEq, Copy, Clone)]
+pub enum ExampleMode {
+    UsingEoc,
+    NotUsingEoc,
+}
+
+#[derive(Debug, PartialEq, Copy, Clone)]
+pub enum ReadMode {
+    Single,
+    Multiple,
+    MultipleNToHighest,
+}
+
+const EXAMPLE_MODE: ExampleMode = ExampleMode::NotUsingEoc;
+const READ_MODE: ReadMode = ReadMode::Multiple;
+
+#[entry]
+fn main() -> ! {
+    rtt_init_print!();
+    rprintln!("-- Vorago ADC Example --");
+
+    let mut dp = pac::Peripherals::take().unwrap();
+    let tim0 = set_up_ms_timer(
+        &mut dp.SYSCONFIG,
+        &mut dp.IRQSEL,
+        50.mhz().into(),
+        dp.TIM0,
+        interrupt::OC0,
+    );
+    let delay = Delay::new(tim0);
+    unsafe {
+        cortex_m::peripheral::NVIC::unmask(pac::Interrupt::OC0);
+    }
+
+    let pinsa = PinsA::new(&mut dp.SYSCONFIG, None, dp.PORTA);
+    let mut spi_cfg = SpiConfig::default();
+    spi_cfg.scrdv = 0x07;
+    let (sck, mosi, miso) = (
+        pinsa.pa20.into_funsel_2(),
+        pinsa.pa19.into_funsel_2(),
+        pinsa.pa18.into_funsel_2(),
+    );
+
+    port_mux(&mut dp.IOCONFIG, PortSel::PortB, 16, Funsel::Funsel1).ok();
+    // port_mux(&mut dp.IOCONFIG, PortSel::PortB, 17, Funsel::Funsel1).ok();
+    port_mux(&mut dp.IOCONFIG, PortSel::PortB, 18, Funsel::Funsel1).ok();
+    port_mux(&mut dp.IOCONFIG, PortSel::PortB, 19, Funsel::Funsel1).ok();
+    // Set the accelerometer chip select low in case the board slot is populated
+    let mut accel_cs = pinsa.pa16.into_push_pull_output();
+    accel_cs
+        .set_high()
+        .expect("Setting accelerometer chip select high failed");
+
+    let transfer_cfg = TransferConfig::new(
+        3.mhz(),
+        spi::MODE_0,
+        Some(pinsa.pa17.into_funsel_2()),
+        true,
+        false,
+    );
+    let spi = Spi::spib(
+        dp.SPIB,
+        (sck, miso, mosi),
+        50.mhz(),
+        spi_cfg,
+        Some(&mut dp.SYSCONFIG),
+        Some(&transfer_cfg.downgrade()),
+    )
+    .downgrade();
+    match EXAMPLE_MODE {
+        ExampleMode::NotUsingEoc => spi_example_externally_clocked(spi, delay),
+        ExampleMode::UsingEoc => {
+            spi_example_internally_clocked(spi, delay, pinsa.pa14.into_floating_input());
+        }
+    }
+}
+
+#[interrupt]
+fn OC0() {
+    default_ms_irq_handler();
+}
+
+fn spi_example_externally_clocked(spi: SpiBase<SPIB>, mut delay: Delay) -> ! {
+    let mut adc = max11619_externally_clocked(spi)
+        .expect("Creating externally clocked MAX11619 device failed");
+    let mut cmd_buf: [u8; 32] = [0; 32];
+    let mut counter = 0;
+    loop {
+        rprintln!("-- Measurement {} --", counter);
+
+        match READ_MODE {
+            ReadMode::Single => {
+                rprintln!("Reading single potentiometer channel");
+                let pot_val = match adc.read_single_channel(&mut cmd_buf, POTENTIOMETER_CHANNEL) {
+                    Ok(pot_val) => pot_val,
+                    _ => {
+                        panic!("Creating externally clocked MAX11619 ADC failed");
+                    }
+                };
+                rprintln!("Single channel read:");
+                rprintln!("\tPotentiometer value: {}", pot_val);
+            }
+            ReadMode::Multiple => {
+                let mut res_buf: [u16; 4] = [0; 4];
+                match adc.read_multiple_channels_0_to_n(
+                    &mut cmd_buf,
+                    &mut res_buf.iter_mut(),
+                    POTENTIOMETER_CHANNEL,
+                ) {
+                    Ok(_) => {
+                        rprintln!("Multi channel read from 0 to 3:");
+                        rprintln!("\tAN0 value: {}", res_buf[0]);
+                        rprintln!("\tAN1 value: {}", res_buf[1]);
+                        rprintln!("\tAN2 value: {}", res_buf[2]);
+                        rprintln!("\tAN3 / Potentiometer value: {}", res_buf[3]);
+                    }
+                    _ => {
+                        panic!("Multi-Channel read failed");
+                    }
+                }
+            }
+            ReadMode::MultipleNToHighest => {
+                let mut res_buf: [u16; 2] = [0; 2];
+                match adc.read_multiple_channels_n_to_highest(
+                    &mut cmd_buf,
+                    &mut res_buf.iter_mut(),
+                    AN2_CHANNEL,
+                ) {
+                    Ok(_) => {
+                        rprintln!("Multi channel read from 2 to 3:");
+                        rprintln!("\tAN2 value: {}", res_buf[0]);
+                        rprintln!("\tAN3 / Potentiometer value: {}", res_buf[1]);
+                    }
+                    _ => {
+                        panic!("Multi-Channel read failed");
+                    }
+                }
+            }
+        }
+        counter += 1;
+        delay.delay_ms(500);
+    }
+}
+
+fn spi_example_internally_clocked(spi: SpiBase<SPIB>, mut delay: Delay, mut eoc_pin: EocPin) -> ! {
+    let mut adc = max11619_internally_clocked(spi).expect("Creaintg MAX116xx device failed");
+    let mut counter = 0;
+    loop {
+        rprintln!("-- Measurement {} --", counter);
+        match adc.request_single_channel(POTENTIOMETER_CHANNEL) {
+            Ok(_) => (),
+            _ => panic!("Requesting single channel value  failed"),
+        };
+
+        let pot_val = match nb::block!(adc.get_single_channel(&mut eoc_pin)) {
+            Ok(pot_val) => pot_val,
+            _ => panic!("Reading single channel value  failed"),
+        };
+        rprintln!("\tPotentiometer value: {}", pot_val);
+        counter += 1;
+        delay.delay_ms(500);
+    }
+}

src/lib.rs

@@ -2,4 +2,5 @@
 
 pub mod button;
 pub mod leds;
+pub mod max11619;
 pub mod temp_sensor;

src/max11619.rs

@@ -0,0 +1,48 @@
+use max116xx_10bit::{
+    Error, ExternallyClocked, InternallyClockedInternallyTimedSerialInterface, Max11619,
+    Max116xx10Bit, RefMode, WithoutWakeupDelay,
+};
+use embedded_hal::blocking::spi::Transfer;
+use embedded_hal::spi::FullDuplex;
+use va108xx_hal::gpio::{Floating, Input, Pin, PA14};
+
+pub type Max11619ExternallyClocked<SPI> =
+    Max116xx10Bit<SPI, Max11619, ExternallyClocked, WithoutWakeupDelay>;
+pub type Max11619InternallyClocked<SPI> = Max116xx10Bit<
+    SPI,
+    Max11619,
+    InternallyClockedInternallyTimedSerialInterface,
+    WithoutWakeupDelay,
+>;
+pub type EocPin = Pin<PA14, Input<Floating>>;
+
+pub const AN0_CHANNEL: u8 = 0;
+pub const AN1_CHANNEL: u8 = 1;
+pub const AN2_CHANNEL: u8 = 2;
+pub const POTENTIOMETER_CHANNEL: u8 = 3;
+
+pub fn max11619_externally_clocked<SpiE, SPI>(
+    spi: SPI,
+) -> Result<Max11619ExternallyClocked<SPI>, Error<SpiE>>
+where
+    SPI: Transfer<u8, Error = SpiE> + FullDuplex<u8, Error = SpiE>,
+{
+    let adc: Max116xx10Bit<SPI, Max11619, ExternallyClocked, WithoutWakeupDelay> =
+        Max116xx10Bit::new(spi, RefMode::ExternalSingleEndedNoWakeupDelay)?;
+    Ok(adc)
+}
+
+pub fn max11619_internally_clocked<SpiE, SPI>(
+    spi: SPI,
+) -> Result<Max11619InternallyClocked<SPI>, Error<SpiE>>
+where
+    SPI: Transfer<u8, Error = SpiE> + FullDuplex<u8, Error = SpiE>,
+{
+    let adc: Max116xx10Bit<
+        SPI,
+        Max11619,
+        InternallyClockedInternallyTimedSerialInterface,
+        WithoutWakeupDelay,
+    > = Max116xx10Bit::new(spi, RefMode::ExternalSingleEndedNoWakeupDelay)?;
+    Ok(adc)
+}