1 files changed, 53 insertions, 0 deletions
diff --git a/ports/esp32s2/peripherals/touch.c b/ports/esp32s2/peripherals/touch.c
new file mode 100644
index 000000000..6cf33b2bd
--- /dev/null
+++ b/ports/esp32s2/peripherals/touch.c
@@ -0,0 +1,53 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 microDev
+ *
+ * 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 "components/soc/include/hal/gpio_types.h"
+// above include fixes build error in idf@v4.2
+#include "peripherals/touch.h"
+
+static bool touch_inited = false;
+static bool touch_never_reset = false;
+
+void peripherals_touch_reset(void) {
+    if (touch_inited && !touch_never_reset) {
+        touch_pad_deinit();
+        touch_inited = false;
+    }
+}
+
+void peripherals_touch_never_reset(const bool enable) {
+    touch_never_reset = enable;
+}
+
+void peripherals_touch_init(const touch_pad_t touchpad) {
+    if (!touch_inited) {
+        touch_pad_init();
+        touch_pad_set_fsm_mode(TOUCH_FSM_MODE_TIMER);
+        touch_pad_fsm_start();
+        touch_inited = true;
+    }
+    touch_pad_config(touchpad);
+}