Removed global static channel_out and moved to interrupt state. TODO: make feature switch for slave specific stuff

examples/stm32g0/Embed.toml

@@ -1,43 +0,0 @@
-[default.probe]
-protocol = "Swd"
-# USB vendor ID
-# usb_vid = "6790"
-# USB product ID
-# usb_pid = "29987"
-
-[default.flashing]
-enabled = true
-
-[default.reset]
-# Whether or not the target should be reset.
-# When flashing is enabled as well, the target will be reset after flashing.
-enabled = true
-# Whether or not the target should be halted after reset.
-halt_afterwards = false
-
-[default.general]
-# The chip name of the chip to be debugged.
-#chip = "STM32G030J6Mx"
-chip = "STM32G070CBTx"
-# A list of chip descriptions to be loaded during runtime.
-chip_descriptions = []
-# The default log level to be used.
-log_level = "Warn"
-
-[default.rtt]
-enabled = false
-# A list of channel associations to be displayed. If left empty, all channels are displayed.
-channels = [
-    # { up = 0, down = 0, name = "name" }
-]
-# The duration in ms for which the logger should retry to attach to RTT.
-timeout = 3000
-# Whether timestamps in the RTTUI are enabled
-show_timestamps = true
-
-[default.gdb]
-# Whether or not a GDB server should be opened after flashing.
-# This is exclusive and cannot be used with RTT at the moment.
-enabled = false
-# The connection string in host:port format wher the GDB server will open a socket.
-# gdb_connection_string

examples/stm32g0/src/bin/i2c_slave.rs

@@ -123,6 +123,7 @@ async fn main(spawner: Spawner) {
 
     // start of the actual test
     i2c.slave_start_listen().unwrap();
+    let receiver = i2c.slave_transaction_receiver();
     loop {
         counter += 1;
         writeln!(&mut writer, "Loop: {}\r", counter).unwrap();
@@ -143,7 +144,7 @@ async fn main(spawner: Spawner) {
 
         writeln!(&mut writer, "Waiting for master activity\r").unwrap();
 
-        let t = i2c.slave_transaction().await;
+        let t = receiver.receive().await;
         let dir = t.dir();
         tcount += 1;
         // preparations for the next round

examples/stm32g0/src/bin/i2c_slave_arbitration.rs

@@ -10,7 +10,7 @@ use core::fmt::{self, Write};
 use embassy_executor::Spawner;
 use embassy_stm32::dma::NoDma;
 // use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_stm32::i2c::{I2c, AddressIndex};
+use embassy_stm32::i2c::{AddressIndex, I2c};
 use embassy_stm32::time::Hertz;
 use embassy_stm32::usart::UartTx;
 use embassy_stm32::{bind_interrupts, i2c, peripherals, usart};
@@ -83,6 +83,7 @@ async fn main(_spawner: Spawner) {
 
     // start of the actual test
     i2c.slave_start_listen().unwrap();
+    let receiver = i2c.slave_transaction_receiver();
     loop {
         counter += 1;
         writeln!(&mut writer, "Loop: {}\r", counter).unwrap();
@@ -94,7 +95,7 @@ async fn main(_spawner: Spawner) {
 
         writeln!(&mut writer, "Waiting for master activity\r").unwrap();
 
-        let t = i2c.slave_transaction().await;
+        let t = receiver.receive().await;
         writeln!(
             &mut writer,
             "Address: x{:2x}  dir: {:?} size: x{:2x}, Result:{:?}\r",