switch to esp32c6

rust/.cargo/config.toml

@@ -1,5 +1,14 @@
 [build]
-target = "xtensa-esp32-espidf"
+#target = "xtensa-esp32-espidf"
+target = "riscv32imac-esp-espidf"
+
+[target.riscv32imac-esp-espidf]
+linker = "ldproxy"
+#runner = "espflash flash --monitor --partition-table partitions.csv" # Select this runner for espflash v2.x.x
+# runner = espflash erase-parts otadata
+runner = "espflash flash --monitor --baud 921600 --partition-table partitions.csv" # Select this runner for espflash v2.x.x
+#runner = "cargo runner"
+rustflags = [ "--cfg",  "espidf_time64"] # Extending time_t for ESP IDF 5: https://github.com/esp-rs/rust/issues/110
 
 [target.xtensa-esp32-espidf]
 linker = "ldproxy"
@@ -13,7 +22,7 @@ rustflags = [ "--cfg",  "espidf_time64"] # Extending time_t for ESP IDF 5: https
 build-std = ["std", "panic_abort"]
 
 [env]
-MCU="esp32"
+MCU="esp32c6"
 # Note: this variable is not used by the pio builder (`cargo build --features pio`)
 ESP_IDF_VERSION = "v5.1.1"
 CHRONO_TZ_TIMEZONE_FILTER="UTC|Europe/Berlin"