rf22: Initial implementation for RFM22B radios, C++ only & bindings

Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

examples/c++/CMakeLists.txt

@@ -325,6 +325,8 @@ add_example (ms5803)
 add_example (ims)
 add_example (ecezo)
 add_example (mb704x)
+add_example (rf22-server)
+add_example (rf22-client)
 
 # These are special cases where you specify example binary, source file and module(s)
 include_directories (${PROJECT_SOURCE_DIR}/src)

examples/c++/rf22-client.cxx

@@ -0,0 +1,72 @@
+/*
+ * Author: Kiveisha Yevgeniy
+ * Copyright (c) 2015-2016 Intel Corporation.
+ *
+ * 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 <iostream>
+#include <signal.h>
+#include "rf22.hpp"
+
+bool amWorking = true;
+
+void
+sig_handler (int signo) {
+    if (signo == SIGINT) {
+        amWorking = false;
+    }
+}
+//! [Interesting]
+int
+main (int argc, char ** argv) {
+    // SPI bus 0, CS pin 10, INTR pin 2
+    upm::RF22* rf22 = new upm::RF22 (0, 10, 2);
+
+    if (!rf22->init()) {
+        std::cout << "RF22 init failed" << std::endl;
+        return 0x1;
+    }
+
+    uint8_t data[] = "Hello World!";
+    uint8_t buf[RF22_MAX_MESSAGE_LEN];
+    uint8_t len = sizeof(buf);
+
+    signal (SIGINT, sig_handler);
+    while (amWorking) {
+        std::cout << "Sending to rf22_server" << std::endl;
+        // Send a message to rf22_server
+        rf22->send(data, sizeof(data));
+        rf22->waitPacketSent();
+        // Now wait for a reply
+                
+        rf22->waitAvailableTimeout(1000000);
+        
+        if (rf22->recv(buf, &len)) {
+            std::cout << "got response: " << (char*)buf << std::endl;
+        } else {
+            std::cout << "!!! NO RESPONSE !!!" << std::endl;
+        }
+    }
+
+    std::cout << "Exit 'rfm22-client'" << std::endl;
+    return 0;
+}
+//! [Interesting]

examples/c++/rf22-server.cxx

@@ -0,0 +1,73 @@
+/*
+ * Author: Kiveisha Yevgeniy
+ * Copyright (c) 2015-2016 Intel Corporation.
+ *
+ * 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 <iostream>
+#include <signal.h>
+#include "rf22.hpp"
+
+bool amWorking = true;
+
+void
+sig_handler (int signo) {
+    if (signo == SIGINT) {
+        amWorking = false;
+    }
+}
+//! [Interesting]
+int
+main (int argc, char ** argv) {
+    // SPI bus 0, CS pin 10, INTR pin 2
+    upm::RF22* rf22 = new upm::RF22 (0, 10, 2);
+
+    if (!rf22->init()) {
+        std::cout << "RF22 init failed" << std::endl;
+        return 0x1;
+    }
+    
+    uint8_t buf[RF22_MAX_MESSAGE_LEN];
+    uint8_t len = sizeof(buf);
+    
+    signal (SIGINT, sig_handler);
+    while (amWorking) {
+        // rf22->waitAvailable();
+        rf22->waitAvailableTimeout (500);
+
+        // Should be a message for us now   
+        if (rf22->recv(buf, &len)) {
+            std::cout << "got request: " << (char*)buf << std::endl;
+
+            // Send a reply
+            uint8_t data[] = "And hello back to you";
+            rf22->send(data, sizeof(data));
+            rf22->waitPacketSent();
+        } else {
+            // Do whatever you need.
+        }
+    }
+
+    delete rf22;
+    std::cout << "Exit 'rfm22-server'" << std::endl;
+    return 0;
+}
+//! [Interesting]