Initial ESP32S2 port.

Basic blinky works but doesn't check pins.

1 files changed, 46 insertions, 0 deletions

diff --git a/ports/esp32s2/common-hal/microcontroller/Pin.c b/ports/esp32s2/common-hal/microcontroller/Pin.c
new file mode 100644
index 000000000..e142191fd
--- /dev/null
+++ b/ports/esp32s2/common-hal/microcontroller/Pin.c
@@ -0,0 +1,46 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Scott Shawcroft for Adafruit Industries
+ * Copyright (c) 2019 Lucian Copeland for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "shared-bindings/microcontroller/Pin.h"
+
+#include "py/mphal.h"
+
+// Mark pin as free and return it to a quiescent state.
+void reset_pin_number(uint8_t pin_port, uint8_t pin_number) {
+}
+
+
+void claim_pin(const mcu_pin_obj_t* pin) {
+}
+
+bool pin_number_is_free(uint8_t pin_port, uint8_t pin_number) {
+    return true;
+}
+
+bool common_hal_mcu_pin_is_free(const mcu_pin_obj_t *pin) {
+    return pin_number_is_free(0, pin->number);
+}