Merge branch 'release/v0.3.1'

.github/workflows/build_and_release.yml

@@ -19,24 +19,11 @@ jobs:
       - name: Install flip-link
         run: cd / && cargo install --debug flip-link
 
-      - name: Build neotron-bmc-pico for F030
-        run: |
-          cd neotron-bmc-pico
-          cargo build --release --verbose --target=thumbv6m-none-eabi --features=stm32f030x6
-          cd target/thumbv6m-none-eabi/release
-          mv neotron-bmc-pico neotron-bmc-pico-f030
-
-      - name: Build neotron-bmc-pico for F031
-        run: |
-          cd neotron-bmc-pico
-          cargo build --release --verbose --target=thumbv6m-none-eabi --features=stm32f031
-          cd target/thumbv6m-none-eabi/release
-          mv neotron-bmc-pico neotron-bmc-pico-f031
+      - name: Build neotron-bmc-pico
+        run: cd neotron-bmc-pico && DEFMT_LOG=info cargo build --release --verbose --target=thumbv6m-none-eabi
 
       - name: Build neotron-bmc-nucleo
-        run: |
-          cd neotron-bmc-nucleo
-          cargo build --release --verbose --target=thumbv7em-none-eabihf
+        run: cd neotron-bmc-nucleo && DEFMT_LOG=info cargo build --release --verbose --target=thumbv7em-none-eabihf
 
       - name: Get Branch Name
         if: github.event_name == 'push' && startswith(github.ref, 'refs/tags/')

CHANGELOG.md

@@ -4,6 +4,10 @@
 
 * None
 
+## v0.3.1
+* Reset button triggers 250ms low pulse
+* Fix STM32F030 support and remove STM32F031 support for neotron-bmc-pico
+
 ## v0.3.0
 * Add STM32F030 support to neotron-bmc-pico
 

README.md

@@ -22,7 +22,7 @@ The NBMC appears to the main Neotron system processor as an Expansion Device. As
 
 ### Neotron Pico
 
-The NBMC firmware is designed to run on an ST Micro STM32F0 (STM32F031K6T6) microcontroller, as fitted to a [Neotron Pico](https://github.com/neotron-compute/neotron-pico).
+The NBMC firmware is designed to run on an ST Micro STM32F0 (STM32F030K6T6) microcontroller, as fitted to a [Neotron Pico](https://github.com/neotron-compute/neotron-pico).
 
 See the [board-specific README](./neotron-bmc-pico/README.md)
 

neotron-bmc-nucleo/Cargo.toml

@@ -2,7 +2,7 @@
 authors = ["Jonathan 'theJPster' Pallant <github@thejpster.org.uk>", "Aïssata 'Ai' Maiga <aimaiga2@gmail.com>"]
 name = "neotron-bmc-nucleo"
 edition = "2018"
-version = "0.3.0"
+version = "0.3.1"
 
 [dependencies]
 cortex-m = "0.7.1"

neotron-bmc-nucleo/README.md

@@ -6,7 +6,7 @@ This folder is for the Board Management Controller (BMC) when running on an STM3
 
 ## Hardware Interface
 
-The NBMC also supports running on an ST Nucleo-F401RE, for development and debugging purposes. The STM32F401RET6U MCU has:
+This firmware runs on an ST Nucleo-F401RE, for development and debugging purposes. The STM32F401RET6U MCU has:
 
 * 32-bit Arm Cortex-M4 Core
 * 3.3V I/O (5V tolerant)

neotron-bmc-nucleo/src/main.rs

@@ -1,13 +1,16 @@
+//! Neotron BMC Firmware
+//!
+//! This is the firmware for the Neotron Board Management Controller (BMC). It
+//! controls the power, reset, UART and PS/2 ports, but running on an ST Nucleo
+//! instead of a real Neotron board. For more details, see the `README.md` file.
+//!
+//! # Licence
+//! This source code as a whole is licensed under the GPL v3. Third-party crates
+//! are covered by their respective licences.
+
 #![no_main]
 #![no_std]
 
-///! Neotron BMC Firmware
-///!
-///! This is the firmware for the Neotron Board Management Controller (BMC). It controls the power, reset, UART and PS/2 ports on a Neotron mainboard.
-///! For more details, see the `README.md` file.
-///!
-///! # Licence
-///! This source code as a whole is licensed under the GPL v3. Third-party crates are covered by their respective licences.
 use cortex_m::interrupt::free as disable_interrupts;
 use heapless::spsc::{Consumer, Producer, Queue};
 use rtic::app;

neotron-bmc-pico/.cargo/config.toml

@@ -1,5 +1,5 @@
 [target.'cfg(all(target_arch = "arm", target_os = "none"))']
-runner = "probe-run --chip STM32F031K6Tx"
+runner = "probe-run --chip STM32F030K6Tx"
 rustflags = [
   "-C", "linker=flip-link",
   "-C", "link-arg=-Tlink.x",

neotron-bmc-pico/Cargo.toml

@@ -2,18 +2,18 @@
 authors = ["Jonathan 'theJPster' Pallant <github@thejpster.org.uk>"]
 name = "neotron-bmc-pico"
 edition = "2018"
-version = "0.3.0"
+version = "0.3.1"
 
 [dependencies]
-defmt = "0.3"
 cortex-m = { version = "0.7.5", features = ["inline-asm"] }
-defmt-rtt = "0.3"
 cortex-m-rtic = "1.0"
-panic-probe = { version = "0.3.0", features = ["print-defmt"] }
-stm32f0xx-hal = { version = "0.18", features = ["rt"] }
 debouncr = "0.2"
+defmt = "0.3"
+defmt-rtt = "0.3"
 heapless= "0.7"
-systick-monotonic = "1.0.0"
+panic-probe = { version = "0.3", features = ["print-defmt"] }
+stm32f0xx-hal = { version = "0.17", features = ["stm32f030x6", "rt"] }
+systick-monotonic = "1.0"
 
 [features]
 # set logging levels here
@@ -36,44 +36,36 @@ defmt-error = []
 [profile.dev]
 codegen-units = 1
 debug = 2
-debug-assertions = true # <-
+debug-assertions = true
 incremental = false
-opt-level = 3 # <-
-overflow-checks = true # <-
+opt-level = 3
+overflow-checks = true
 
 # cargo test
 [profile.test]
 codegen-units = 1
 debug = 2
-debug-assertions = true # <-
+debug-assertions = true
 incremental = false
-opt-level = 3 # <-
-overflow-checks = true # <-
+opt-level = 3
+overflow-checks = true
 
 # cargo build/run --release
 [profile.release]
 codegen-units = 1
 debug = 2
-debug-assertions = false # <-
+debug-assertions = false
 incremental = false
 lto = 'fat'
-opt-level = 3 # <-
-overflow-checks = false # <-
+opt-level = 3
+overflow-checks = false
 
 # cargo test --release
 [profile.bench]
 codegen-units = 1
 debug = 2
-debug-assertions = false # <-
+debug-assertions = false
 incremental = false
 lto = 'fat'
-opt-level = 3 # <-
-overflow-checks = false # <-
-
-# uncomment this to switch from the crates.io version of defmt to its git version
-# check app-template's README for instructions
-# [patch.crates-io]
-# defmt = { git = "https://github.com/knurling-rs/defmt", rev = "use defmt version reported by `probe-run --version`" }
-# defmt-rtt = { git = "https://github.com/knurling-rs/defmt", rev = "use defmt version reported by `probe-run --version`" }
-# defmt-test = { git = "https://github.com/knurling-rs/defmt", rev = "use defmt version reported by `probe-run --version`" }
-# panic-probe = { git = "https://github.com/knurling-rs/defmt", rev = "use defmt version reported by `probe-run --version`" }
+opt-level = 3
+overflow-checks = false

neotron-bmc-pico/README.md

@@ -2,17 +2,15 @@
 
 ## Introduction
 
-This folder is for the Board Management Controller (BMC) on a [Neotron Pico](https://github.com/neotron-compute/neotron-pico).
+This firmware is designed to run on an ST Micro STM32F0 (STM32F030K6T6) microcontroller as fitted to the Neotron Pico.
 
-## Hardware Interface
-
-The NBMC firmware is designed to run on an ST Micro STM32F0 (STM32F031K6T6 or STM32F030K6T6) microcontroller
+The MCU has:
 
 * 32-bit Arm Cortex-M0+ Core
-* 3.3V I/O (5V tolerant)
+* 3.3V I/O (mostly 5V tolerant)
 * 32 KiB Flash
 * 4 KiB SRAM
-* LQFP-32 package (0.8mm pitch, 7mm x 7mm)
+* LQFP-32 package (0.8mm pitch)
 
 
 | Pin  | Name | Signal      | Function                                     |
@@ -27,8 +25,8 @@ The NBMC firmware is designed to run on an ST Micro STM32F0 (STM32F031K6T6 or ST
 | 11   | PA5  | SPI1_SCK    | SPI Clock Input                              |
 | 12   | PA6  | SPI1_CIPO   | SPI Data Output                              |
 | 13   | PA7  | SPI1_COPI   | SPI Data Input                               |
-| 14   | PB0  | LED0        | Output for Power LED                         |
-| 15   | PB1  | LED1        | Output for Status LED                        |
+| 14   | PB0  | LED         | Output for Power LED                         |
+| 15   | PB1  | BUZZER      | PWM Output for Buzzer                        |
 | 18   | PA8  | IRQ_nHOST   | Interrupt Output to the Host (active low)    |
 | 19   | PA9  | USART1_TX   | UART Transmit Output                         |
 | 20   | PA10 | USART1_RX   | UART Receive Input                           |
@@ -45,8 +43,9 @@ The NBMC firmware is designed to run on an ST Micro STM32F0 (STM32F031K6T6 or ST
 
 Note that in the above table, the UART signals are wired as _Data Terminal Equipment (DTE)_ (i.e. like a PC, not like a Modem). Connect the NMBC *UART Transmit Output* pin to the *Input* pin of something like an FTDI TTL-232R-3V3 cable.
 
-This hardware design should also be pin-compatible with the following SoCs (although this firmware may need changes):
+This design should also be pin-compatible with the following SoCs (although this firmware may need changes):
 
+* STM32F031K6Tx
 * STM32F042K4Tx
 * STM32F042K6Tx
 * STM32L071KBTx
@@ -59,7 +58,7 @@ Note that not all STM32 pins are 5V-tolerant, and the PS/2 protocol is a 5V open
 
 ## Build Requirements
 
-1. rustup and Rust
+1. `rustup` and Rust
    - see https://www.rust-lang.org
 2. The `thumbv6m-none-eabi` target
    - run `rustup target add thumbv6m-none-eabi`
@@ -71,17 +70,17 @@ Note that not all STM32 pins are 5V-tolerant, and the PS/2 protocol is a 5V open
 Then to build and flash for an STM32F031K6T6, connect a probe supported by probe-rs (such as a SEGGER J-Link, or an ST-Link) and run:
 
 ```
-$ cargo run --release --features stm32f031
+$ DEFMT_LOG=info cargo run --release
 ```
 
-For an STM32F030K6T6, run:
+You should see logging messages from the board on your terminal. To increase the logging level, try:
 
+Then to build and flash, connect a probe supported by probe-rs (such as a SEGGER J-Link, or an ST-Link) and run:
 
 ```
-$ cargo run --release --features stm32f030x6
+$ DEFMT_LOG=debug cargo run --release
 ```
 
 ## Licence
 
 This source code as a whole is licensed under the GPL v3. Third-party crates are covered by their respective licences.
-

neotron-bmc-pico/build.rs

@@ -16,12 +16,18 @@ fn main() {
 	println!("cargo:rustc-link-search={}", out.display());
 	println!("cargo:rerun-if-changed=memory.x");
 
+	// Generate a file containing the firmware version
 	let version_output = std::process::Command::new("git")
 		.current_dir(env::var_os("CARGO_MANIFEST_DIR").unwrap())
 		.args(&["describe", "--tags", "--all", "--dirty"])
 		.output()
 		.expect("running git-describe");
 	assert!(version_output.status.success());
 
-	std::fs::write(out.join("version.txt"), version_output.stdout).expect("writing version file");
+	// Remove the trailing newline
+	let mut output = version_output.stdout;
+	output.pop();
+
+	// Write the file
+	std::fs::write(out.join("version.txt"), output).expect("writing version file");
 }

neotron-bmc-pico/openocd.cfg

@@ -4,7 +4,10 @@ source [find interface/stlink.cfg]
 
 transport select hla_swd
 
+gdb_flash_program enable
+gdb_breakpoint_override hard
+
 set WORKAREASIZE 0x2000
 source [find target/stm32f0x.cfg]
 
-reset_config srst_only
+# reset_config srst_only