Bring up display and debug via usb serial
This commit is contained in:
parent
113d976502
commit
722a38f633
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@ -8,6 +8,12 @@ version = "0.7.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
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[[package]]
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name = "autocfg"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
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[[package]]
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name = "az"
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version = "1.2.1"
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@ -136,6 +142,19 @@ dependencies = [
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"stable_deref_trait",
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]
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[[package]]
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name = "embedded-graphics"
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cd2a8e0250a7e1212828166b01eed0219e488ebb2599f44624a29c9bd249f397"
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dependencies = [
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"az",
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"byteorder",
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"embedded-graphics-core",
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"float-cmp",
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"micromath",
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]
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[[package]]
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name = "embedded-graphics-core"
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version = "0.4.0"
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@ -156,6 +175,15 @@ dependencies = [
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"void",
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]
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[[package]]
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name = "float-cmp"
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version = "0.9.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "98de4bbd547a563b716d8dfa9aad1cb19bfab00f4fa09a6a4ed21dbcf44ce9c4"
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dependencies = [
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"num-traits",
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]
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[[package]]
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name = "fugit"
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version = "0.3.7"
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@ -180,6 +208,12 @@ dependencies = [
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"either",
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]
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[[package]]
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name = "micromath"
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version = "2.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "39617bc909d64b068dcffd0e3e31679195b5576d0c83fadc52690268cc2b2b55"
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[[package]]
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name = "nb"
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version = "0.1.3"
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@ -195,6 +229,15 @@ version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8d5439c4ad607c3c23abf66de8c8bf57ba8adcd1f129e699851a6e43935d339d"
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[[package]]
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name = "num-traits"
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version = "0.2.15"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
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dependencies = [
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"autocfg",
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]
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[[package]]
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name = "num_enum"
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version = "0.5.11"
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@ -359,11 +402,17 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
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name = "soldering-iron"
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version = "0.1.0"
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dependencies = [
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"cortex-m",
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"cortex-m-rt",
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"display-interface",
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"embedded-graphics",
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"embedded-hal",
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"fugit",
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"panic-halt",
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"rp-pico",
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"ssd1306",
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"usb-device",
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"usbd-serial",
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]
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[[package]]
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@ -408,6 +457,17 @@ version = "0.2.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1f6cc3adc849b5292b4075fc0d5fdcf2f24866e88e336dd27a8943090a520508"
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[[package]]
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name = "usbd-serial"
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version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "db75519b86287f12dcf0d171c7cf4ecc839149fe9f3b720ac4cfce52959e1dfe"
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dependencies = [
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"embedded-hal",
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"nb 0.1.3",
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"usb-device",
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]
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[[package]]
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name = "vcell"
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version = "0.1.3"
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@ -6,8 +6,14 @@ edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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cortex-m = "0.7.7"
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cortex-m-rt = "0.7.3"
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display-interface = "0.4.1"
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embedded-graphics = "0.8.0"
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embedded-hal = "0.2.7"
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fugit = "0.3.7"
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panic-halt = "0.2.0"
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rp-pico = "0.7.0"
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ssd1306 = "0.8.0"
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usb-device = "0.2.9"
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usbd-serial = "0.1.1"
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174
src/main.rs
174
src/main.rs
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@ -1,23 +1,80 @@
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#![no_std]
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#![no_main]
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use cortex_m::delay::Delay;
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use display_interface::DisplayError;
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use embedded_graphics::{
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mono_font::{ascii::FONT_6X10, MonoTextStyleBuilder},
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pixelcolor::BinaryColor,
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prelude::*,
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text::{Baseline, Text},
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};
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use embedded_hal::digital::v2::{InputPin, ToggleableOutputPin};
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use fugit::RateExtU32;
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use panic_halt as _;
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use rp_pico::entry;
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use rp_pico::hal::clocks::{self, Clock};
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use rp_pico::hal::i2c::I2C;
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use rp_pico::hal::{Sio, Watchdog};
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use rp_pico::pac::Peripherals;
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use rp_pico::Pins;
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use rp_pico::{
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entry,
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hal::{
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clocks::{self, Clock},
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gpio::PinState,
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i2c::I2C,
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usb::UsbBus,
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Sio, Watchdog,
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},
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pac::{CorePeripherals, Peripherals},
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Pins,
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};
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use ssd1306::prelude::*;
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use ssd1306::{I2CDisplayInterface, Ssd1306};
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use ssd1306::{prelude::*, I2CDisplayInterface, Ssd1306};
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use usb_device::{bus::UsbBus as UsbBusTrait, bus::UsbBusAllocator, prelude::*};
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use usbd_serial::{SerialPort, USB_CLASS_CDC};
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fn print_serial<'a, B: UsbBusTrait>(
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serial: &mut SerialPort<'a, B>,
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msg: &str,
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) -> Result<(), UsbError> {
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let buf = msg.as_bytes();
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let mut pos = 0;
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while pos < buf.len() {
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match serial.write(&buf[pos..]) {
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Ok(count) => {
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pos += count;
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continue;
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}
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Err(UsbError::WouldBlock) => continue,
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Err(err) => return Err(err),
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}
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}
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Ok(())
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}
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fn stringify_display_error(err: DisplayError) -> &'static str {
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match err {
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DisplayError::InvalidFormatError => "invalid format",
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DisplayError::BusWriteError => "bus write error",
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DisplayError::DCError => "dc error",
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DisplayError::CSError => "cs error",
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DisplayError::DataFormatNotImplemented => "data format not implemented",
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DisplayError::RSError => "rs error",
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DisplayError::OutOfBoundsError => "out of bounds",
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_ => "unknown error",
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}
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}
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#[entry]
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fn main() -> ! {
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let mut p = Peripherals::take().unwrap();
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let cp = CorePeripherals::take().unwrap();
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let mut watchdog = Watchdog::new(p.WATCHDOG);
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let clocks = clocks::init_clocks_and_plls(
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@ -32,25 +89,114 @@ fn main() -> ! {
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.ok()
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.unwrap();
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let mut delay = Delay::new(cp.SYST, clocks.system_clock.freq().to_Hz());
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let sio = Sio::new(p.SIO);
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let pins = Pins::new(p.IO_BANK0, p.PADS_BANK0, sio.gpio_bank0, &mut p.RESETS);
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let usb_bus = UsbBusAllocator::new(UsbBus::new(
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p.USBCTRL_REGS,
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p.USBCTRL_DPRAM,
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clocks.usb_clock,
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true,
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&mut p.RESETS,
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));
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let mut serial = SerialPort::new(&usb_bus);
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let mut usb_dev = UsbDeviceBuilder::new(&usb_bus, UsbVidPid(0x2342, 0x1337))
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.manufacturer("lujoga")
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.product("Soldering Iron")
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.device_class(USB_CLASS_CDC)
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.build();
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for _ in 0..2000 {
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delay.delay_ms(5);
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if !usb_dev.poll(&mut [&mut serial]) {
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continue;
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}
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let mut buf = [0u8];
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match serial.read(&mut buf[..]) {
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Ok(_) => break,
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_ => (),
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}
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}
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let _ = print_serial(&mut serial, "Hello, world!\r\n");
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let i2c = I2C::i2c0(
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p.I2C0,
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pins.gpio16.into_mode(),
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pins.gpio17.into_mode(),
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pins.gpio0.into_mode(),
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pins.gpio1.into_mode(),
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400.kHz(),
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&mut p.RESETS,
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clocks.peripheral_clock.freq(),
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);
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let mut display = Ssd1306::new(
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I2CDisplayInterface::new_custom_address(i2c, 0x78),
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I2CDisplayInterface::new_custom_address(i2c, 0x3c),
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DisplaySize128x64,
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DisplayRotation::Rotate0,
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)
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.into_buffered_graphics_mode();
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display.init().unwrap();
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loop {}
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let result = display.init().map_err(stringify_display_error);
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if let Err(msg) = result {
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let _ = print_serial(&mut serial, msg);
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panic!();
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}
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let text_style = MonoTextStyleBuilder::new()
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.font(&FONT_6X10)
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.text_color(BinaryColor::On)
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.build();
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let result = Text::with_baseline("Hello, world!", Point::zero(), text_style, Baseline::Top)
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.draw(&mut display)
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.map_err(stringify_display_error);
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if let Err(msg) = result {
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let _ = print_serial(&mut serial, msg);
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panic!();
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}
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let result = display.flush().map_err(stringify_display_error);
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if let Err(msg) = result {
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let _ = print_serial(&mut serial, msg);
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}
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let mut relay = pins.gpio14.into_push_pull_output_in_state(PinState::Low);
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let tmp_button = pins.gpio15.into_pull_up_input();
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let mut led = pins.led.into_push_pull_output_in_state(PinState::Low);
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let mut counter = 0;
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loop {
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delay.delay_ms(5);
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counter = (counter + 1) % 100;
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if counter == 0 {
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led.toggle().unwrap();
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let _ = print_serial(&mut serial, "ping\r\n");
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}
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if tmp_button.is_low().unwrap() {
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relay.toggle().unwrap();
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delay.delay_ms(1000);
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}
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if !usb_dev.poll(&mut [&mut serial]) {
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continue;
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}
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let mut buf = [0u8; 64];
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match serial.read(&mut buf[..]) {
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Ok(count) => {
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let _ = serial.write(&buf[..count]);
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}
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_ => (),
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}
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}
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}
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