prepare bm_serial with UART from BitaxeMax v2.2

Cargo.lock

@@ -356,6 +356,15 @@ dependencies = [
  "heapless",
 ]
 
+[[package]]
+name = "embedded-can"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e9d2e857f87ac832df68fa498d18ddc679175cf3d2e4aa893988e5601baf9438"
+dependencies = [
+ "nb 1.1.0",
+]
+
 [[package]]
 name = "embedded-dma"
 version = "0.2.0"
@@ -390,6 +399,16 @@ dependencies = [
  "embedded-hal 1.0.0-alpha.10",
 ]
 
+[[package]]
+name = "embedded-hal-nb"
+version = "1.0.0-alpha.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1465fffd56a95bbc105c17965bca1c1d5815027b1cc6bb183bc05d04563d065c"
+dependencies = [
+ "embedded-hal 1.0.0-alpha.10",
+ "nb 1.1.0",
+]
+
 [[package]]
 name = "embedded-io"
 version = "0.3.1"
@@ -490,9 +509,15 @@ dependencies = [
  "bitflags 2.2.1",
  "cfg-if",
  "critical-section",
+ "embassy-futures",
+ "embassy-sync 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "embassy-time 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "embedded-can",
  "embedded-dma",
  "embedded-hal 0.2.7",
+ "embedded-hal 1.0.0-alpha.10",
+ "embedded-hal-async",
+ "embedded-hal-nb",
  "esp-hal-procmacros",
  "esp-synopsys-usb-otg",
  "esp32s3",
@@ -598,6 +623,7 @@ dependencies = [
  "bare-metal",
  "embassy-time 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "embedded-hal 0.2.7",
+ "embedded-hal-async",
  "esp-hal-common",
 ]
 

Cargo.toml

@@ -40,6 +40,7 @@ esp-backtrace = { version = "0.7.0", features = [
 esp32s3-hal = { version = "0.9.0", package = "esp32s3-hal", features = [
     "embassy",
     "embassy-time-timg0",
+    "async",
 ] }
 esp-println = { version = "0.5.0", features = ["esp32s3"] }
 esp-wifi = { version = "0.1.0", git = "https://github.com/esp-rs/esp-wifi", rev = "c446177984b82b5e1658d6b24318e7214460ded8", features = [

src/main.rs

@@ -21,7 +21,8 @@ use esp32s3_hal::{
     peripherals::Peripherals,
     prelude::*,
     timer::TimerGroup,
-    Delay, Rng, Rtc,
+    uart::TxRxPins,
+    Delay, Rng, Rtc, Uart,
 };
 use esp_backtrace as _;
 use esp_println::println;
@@ -130,6 +131,18 @@ fn main() -> ! {
     bm_rst.set_high().unwrap();
     println!("Release BM1397 RST with gpio1 HIGH");
 
+    // will be use to init the bm1397 chain
+    let _bm_serial = Uart::new_with_config(
+        peripherals.UART1,
+        None,
+        Some(TxRxPins::new_tx_rx(
+            io.pins.gpio17.into_push_pull_output(),
+            io.pins.gpio18.into_floating_input(),
+        )),
+        &clocks,
+        &mut system.peripheral_clock_control,
+    );
+
     let wifi_config = Config::Dhcp(Default::default());
     let wifi_seed = 1234; // very random, very secure seed