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libraries/TinySuite/src/TinyUart.h

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+#ifndef TinyUart_h
+#define TinyUart_h
+
+#include <stdint.h>
+#include <avr/io.h>
+#include "TinyUartBase.h"
+#include "TinyPinChange.h"
+#include "TinyTimer.h"
+
+/**
+ * Bi-directional UART.
+ */
+class TinyUart : public TinyUartRead, public TinyUartWrite {
+  public:
+    /**
+     * Start the UART.
+     * The "timer" will be enabled to interrupt at around "baud" * "TINY_UART_ONE_BIT_CLK" rate.
+     * The "pinChange" will be enabled to interrupt on "rx" pin level change.
+     * @param rx The receiving pin identifier (i.e. PB0, PB1 etc.)
+     * @param tx The tansmitting pin identifier (i.e. PB0, PB1 etc.)
+     * @param baud The baud rate for this communication session.
+     * @param clockInterrupt Clock interrupt handler, an instance of "TinyTimer" class.
+     * @param rxInterrupt RX pin interrupt handler, an instance of "TinyPinChange" class.
+     */
+    void on(const uint8_t rx, const uint8_t tx, const uint32_t baud, TinyTimer& clockInterrupt, TinyPinChange& rxInterrupt);
+    /**
+     * Stop the UART. The "timer" will be stopped, the "pinChange" will be disabled.
+     */
+    void off();
+  private:
+    TinyTimer* timer;
+    TinyPinChange* pinChange;
+    uint8_t storedDDR, storedPORT, storedMask;
+};
+
+/**
+ * The instance of bi-directional UART.
+ */
+extern TinyUart uart;
+
+#endif