Add PulseIn support which can be used to measure a series of pulse widths.0.9.2

This is useful for infrared input and DHT sensors.

1 files changed, 69 insertions, 0 deletions

diff --git a/esp8266/common-hal/nativeio/PulseIn.c b/esp8266/common-hal/nativeio/PulseIn.c
new file mode 100644
index 000000000..c4bd5a77c
--- /dev/null
+++ b/esp8266/common-hal/nativeio/PulseIn.c
@@ -0,0 +1,69 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft 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 <stdint.h>
+
+#include "mpconfigport.h"
+#include "py/gc.h"
+#include "py/runtime.h"
+#include "shared-bindings/microcontroller/__init__.h"
+#include "shared-bindings/nativeio/PulseIn.h"
+
+void common_hal_nativeio_pulsein_construct(nativeio_pulsein_obj_t* self,
+        const mcu_pin_obj_t* pin, uint16_t maxlen, bool idle_state) {
+    mp_raise_NotImplementedError("");
+}
+
+void common_hal_nativeio_pulsein_deinit(nativeio_pulsein_obj_t* self) {
+
+}
+
+void common_hal_nativeio_pulsein_pause(nativeio_pulsein_obj_t* self) {
+}
+
+void common_hal_nativeio_pulsein_resume(nativeio_pulsein_obj_t* self,
+        uint16_t trigger_duration) {
+}
+
+void common_hal_nativeio_pulsein_clear(nativeio_pulsein_obj_t* self) {
+}
+
+uint16_t common_hal_nativeio_pulsein_popleft(nativeio_pulsein_obj_t* self) {
+    return 0;
+}
+
+uint16_t common_hal_nativeio_pulsein_get_maxlen(nativeio_pulsein_obj_t* self) {
+    return 0;
+}
+
+uint16_t common_hal_nativeio_pulsein_get_len(nativeio_pulsein_obj_t* self) {
+    return 0;
+}
+
+uint16_t common_hal_nativeio_pulsein_get_item(nativeio_pulsein_obj_t* self,
+        int16_t index) {
+    return 0;
+}