AP_HAL_AVR: FastSerial port passes FastSerial example sketch tests

libraries/AP_HAL_AVR/examples/FastSerial/FastSerial.pde

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+// -*- Mode: C++; c-basic-offset: 8; indent-tabs-mode: nil -*-
+
+//
+// Example code for the AP_HAL AVRUARTDriver, based on FastSerial
+//
+// This code is placed into the public domain.
+//
+
+#include <AP_Common.h>
+#include <AP_HAL.h>
+#include <AP_HAL_AVR.h>
+
+const AP_HAL::HAL& hal = AP_HAL_AVR_APM1;
+
+void setup(void)
+{
+        //
+        // Set the speed for our replacement serial port.
+        //
+	hal.uart0->begin(115200);
+        //
+        // Test printing things
+        //
+    hal.uart0->print("test");
+    hal.uart0->println(" begin");
+    hal.uart0->println(1000);
+    hal.uart0->println(1000, 8);
+    hal.uart0->println(1000, 10);
+    hal.uart0->println(1000, 16);
+    hal.uart0->println_P(PSTR("progmem"));
+    hal.uart0->printf("printf %d %u %#x %p %f %S\n", -1000, 1000, 1000, 1000, 1.2345, PSTR("progmem"));
+    hal.uart0->printf_P(PSTR("printf_P %d %u %#x %p %f %S\n"), -1000, 1000, 1000, 1000, 1.2345, PSTR("progmem"));
+    hal.uart0->println("done");
+}
+
+void loop(void)
+{
+    int c;
+    //
+    // Perform a simple loopback operation.
+    //
+    c = hal.uart0->read();
+    if (-1 != c)
+        hal.uart0->write(c);
+}
+
+
+extern "C" {
+int main (void) {
+    hal.init(NULL);
+    setup();
+    for(;;) loop();
+    return 0;
+}
+}

libraries/AP_HAL_AVR/examples/FastSerial/Makefile

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+BOARD	=	mega
+include ../../../AP_Common/Arduino.mk