basic button handler routines added, hard buttons tested

touch sensors were also preliminary tested but not all have been analyzed yet.

firmware/app/ui/btn.h

@@ -0,0 +1,43 @@
+/*
+ * btn.h
+ *
+ *  Created on: Oct 13, 2024
+ *      Author: true
+ */
+
+#ifndef USER_UI_BTN_H_
+#define USER_UI_BTN_H_
+
+
+#include <stdint.h>
+
+
+
+#define HB_COUNT        3       // total hard buttons in system
+#define TS_COUNT        7       // total touch sensors in system
+#define BTN_COUNT       (HB_COUNT + TS_COUNT)   // total buttons in system
+
+#define DEBOUNCE        12
+#define HOLD_COUNTS     600     // how long until a push-and-hold is detected
+
+
+
+typedef struct BtnSub {
+    uint16_t hold;              // initial hold
+    uint16_t repeat;            // repeated hold
+    void (*cb_push)(uint8_t);
+    void (*cb_hold)(uint8_t);
+    void (*cb_release)(uint8_t);
+} BtnSub;
+
+
+
+extern BtnSub btn[BTN_COUNT];
+
+
+
+void btn_process();
+
+
+
+#endif /* USER_UI_BTN_H_ */