bendns' repos / ArduinoStuff
arduino stuffs
Diffstat (limited to 'rgled/rot.cpp')
-rw-r--r--rgled/rot.cpp38
1 files changed, 38 insertions, 0 deletions
diff --git a/rgled/rot.cpp b/rgled/rot.cpp
new file mode 100644
index 0000000..4724d0a
--- /dev/null
+++ b/rgled/rot.cpp
@@ -0,0 +1,38 @@
+#define ENCODER_OPTIMIZE_INTERRUPTS
+#include "rot.h"
+#include "Encoder.h"
+
+namespace Rotary {
+
+const uint8_t CLOCK = 2;
+const uint8_t DATA = 3;
+
+const uint8_t SWITCH = 4;
+
+namespace {
+Encoder encoder(CLOCK, DATA);
+}
+
+void setup(const int start = 0) {
+ pinMode(SWITCH, INPUT_PULLUP);
+ set(start);
+}
+
+/// @brief check if button just pressed
+bool button_just_pressed() {
+ static uint8_t last_button_state = LOW;
+ uint8_t button_state = digitalRead(SWITCH);
+ if (button_state != last_button_state) {
+ last_button_state = button_state;
+ if (button_state == LOW)
+ return true;
+ }
+ return false;
+}
+
+/// @brief resets the reading to 0 and returns the reading before reset
+void set(const int n = 0) { encoder.write(n); }
+/// @brief reads the encoder
+/// @return encoder position
+int read() { return encoder.read(); }
+} // namespace Rotary \ No newline at end of file