Replace old examples with the current ones for RPi

Accidentally copied old RPi examples on last commit (code merge)

examples_RPi/extra/rpi-hub.cpp

@@ -29,7 +29,7 @@
 
 #include <cstdlib>
 #include <iostream>
-#include "../RF24.h"
+#include <RF24/RF24.h>
 
 using namespace std;
 
@@ -50,7 +50,7 @@ const uint64_t pipes[6] =
 //RF24 radio(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_4MHZ); 
 
 // Setup for GPIO 22 CE and CE1 CSN with SPI Speed @ 8Mhz
-RF24 radio(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_26, BCM2835_SPI_SPEED_8MHZ);  
+RF24 radio(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_24, BCM2835_SPI_SPEED_8MHZ);  
 
 
 int main(int argc, char** argv) 

examples_RPi/extra/scanner.cpp

@@ -25,7 +25,7 @@
 
 #include <cstdlib>
 #include <iostream>
-#include "../RF24.h"
+#include <RF24/RF24.h>
 
 using namespace std;
 
@@ -42,7 +42,7 @@ using namespace std;
 //RF24 radio(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_4MHZ); 
 
 // Setup for GPIO 22 CE and CE1 CSN with SPI Speed @ 8Mhz
-RF24 radio(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_26, BCM2835_SPI_SPEED_8MHZ);  
+RF24 radio(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_24, BCM2835_SPI_SPEED_8MHZ);  
 
 
 //

examples_RPi/gettingstarted.cpp

@@ -23,7 +23,7 @@ TMRh20 2014 - Updated to work with optimized RF24 Arduino library
 #include <iostream>
 #include <sstream>
 #include <string>
-#include "./RF24.h"
+#include <RF24/RF24.h>
 
 using namespace std;
 //
@@ -38,19 +38,22 @@ using namespace std;
 // Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 4Mhz
 //RF24 radio(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_4MHZ);
 
+// NEW: Setup for RPi B+
+//RF24 radio(RPI_BPLUS_GPIO_J8_15,RPI_BPLUS_GPIO_J8_24, BCM2835_SPI_SPEED_8MHZ);
+
 // Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 8Mhz
 RF24 radio(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_24, BCM2835_SPI_SPEED_8MHZ);
 
 
-
 // Radio pipe addresses for the 2 nodes to communicate.
-const uint64_t pipes[2] = { 0xABCDABCD71LL, 0x544d52687CLL };
+const uint8_t pipes[][6] = {"1Node","2Node"};
+//const uint64_t pipes[2] = { 0xABCDABCD71LL, 0x544d52687CLL };
 
-bool role_ping_out = 1, role_pong_back = 0;
-bool role = 0;
 
 int main(int argc, char** argv){
 
+  bool role_ping_out = true, role_pong_back = false;
+  bool role = role_pong_back;
 
   // Print preamble:
   printf("RF24/examples/pingtest/\n");
@@ -60,7 +63,6 @@ int main(int argc, char** argv){
 
   // optionally, increase the delay between retries & # of retries
   radio.setRetries(15,15);
-
   // Dump the configuration of the rf unit for debugging
   radio.printDetails();
 
@@ -120,8 +122,6 @@ int main(int argc, char** argv){
 			unsigned long started_waiting_at = millis();
 			bool timeout = false;
 			while ( ! radio.available() && ! timeout ) {
-					// by bcatalin » Thu Feb 14, 2013 11:26 am
-					//delay(5); //add a small delay to let radio.available to check payload
 				if (millis() - started_waiting_at > 200 )
 					timeout = true;
 			}
@@ -144,6 +144,7 @@ int main(int argc, char** argv){
 
 			// Try again 1s later
 			// delay(1000);
+
 			sleep(1);
 
 		}
@@ -154,9 +155,10 @@ int main(int argc, char** argv){
 
 		if ( role == role_pong_back )
 		{
+			
 			// if there is data ready
 			//printf("Check available...\n");
-			//delay(3);
+
 			if ( radio.available() )
 			{
 				// Dump the payloads until we've gotten everything
@@ -164,22 +166,25 @@ int main(int argc, char** argv){
 
 
 				// Fetch the payload, and see if this was the last one.
+				while(radio.available()){
 					radio.read( &got_time, sizeof(unsigned long) );
-
+				}
 				radio.stopListening();
-				//delay(1);
-				// Seem to need a  delay, or the RPi is too quick
+				
 				radio.write( &got_time, sizeof(unsigned long) );
 
-				//delay(1);
 				// Now, resume listening so we catch the next packets.
 				radio.startListening();
-				 //delay(1);
+
 				// Spew it
 				printf("Got payload(%d) %lu...\n",sizeof(unsigned long), got_time);
+				
+				delay(925); //Delay after payload responded to, minimize RPi CPU time
+				
 			}
-		//delay(5);
+		
 		}
+
 	} // forever loop
 
   return 0;

examples_RPi/gettingstarted_call_response.cpp

@@ -17,7 +17,7 @@ TMRh20 2014 - Updated to work with optimized RF24 Arduino library
 #include <iostream>
 #include <sstream>
 #include <string>
-#include "./RF24.h"
+#include <RF24/RF24.h>
 
 using namespace std;
 
@@ -28,17 +28,20 @@ using namespace std;
 // CE Pin, CSN Pin, SPI Speed
 
 // Setup for GPIO 22 CE and CE1 CSN with SPI Speed @ 1Mhz
-//RF24 radio(RPI_V2_GPIO_P1_22, RPI_V2_GPIO_P1_26, BCM2835_SPI_SPEED_1MHZ);
+//RF24 radio(RPI_V2_GPIO_P1_22, BCM2835_SPI_CS1, BCM2835_SPI_SPEED_1MHZ);
 
-// Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 4Mhz
+// Setup for GPIO 15 CE and CE0 CSN with SPI Speed @ 4Mhz
 //RF24 radio(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_4MHZ);
 
-// Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 8Mhz
+// NEW: Setup for RPi B+
+//RF24 radio(RPI_BPLUS_GPIO_J8_15,RPI_BPLUS_GPIO_J8_24, BCM2835_SPI_SPEED_8MHZ);
+
+// Setup for GPIO 15 CE and CE0 CSN with SPI Speed @ 8Mhz
 RF24 radio(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_24, BCM2835_SPI_SPEED_8MHZ);
 
 
 // Radio pipe addresses for the 2 nodes to communicate.
-const uint64_t addresses[2] = { 0xABCDABCD71LL, 0x544d52687CLL };
+const uint8_t addresses[][6] = {"1Node","2Node"};
 
 bool role_ping_out = 1, role_pong_back = 0, role = 0;
 
@@ -48,14 +51,12 @@ uint8_t counter = 1;                                                          //
 int main(int argc, char** argv){
 
 
-  printf("RF24/examples/gettingstarted_call_response\n");
-
+  printf("RPi/RF24/examples/gettingstarted_call_response\n");
   radio.begin();
   radio.setAutoAck(1);                    // Ensure autoACK is enabled
   radio.enableAckPayload();               // Allow optional ack payloads
   radio.setRetries(1,15);                 // Smallest time between retries, max no. of retries
   radio.setPayloadSize(1);                // Here we are sending 1-byte payloads to test the call-response speed
-  //radio.powerUp();
   radio.printDetails();                   // Dump the configuration of the rf unit for debugging
 
 
@@ -76,9 +77,8 @@ int main(int argc, char** argv){
 	}
   }
 /***********************************/
-  // This simple sketch opens two pipes for these two nodes to communicate
+  // This opens two pipes for these two nodes to communicate
   // back and forth.
-
     if ( role == role_ping_out )    {
       radio.openWritingPipe(addresses[0]);
       radio.openReadingPipe(1,addresses[1]);
@@ -116,18 +116,22 @@ while (1){
     }else{        printf("Sending failed.\n\r"); }          // If no ack response, sending failed
 
     sleep(1);  // Try again later
+    //delay(250);
   }
 
 /****************** Pong Back Role ***************************/
 
   if ( role == role_pong_back ) {
     uint8_t pipeNo, gotByte;           		        // Declare variables for the pipe and the byte received
-    while( radio.available(&pipeNo)){              // Read all available payloads
+    if( radio.available(&pipeNo)){               	// Read all available payloads      
+	  radio.flush_tx();							 	// Clear any unused ACK payloads	  				  
       radio.read( &gotByte, 1 );
 													// Since this is a call-response. Respond directly with an ack payload.
 													// Ack payloads are much more efficient than switching to transmit mode to respond to a call
 	  radio.writeAckPayload(pipeNo,&gotByte, 1 );   // This can be commented out to send empty payloads.	  
       printf("Sent response %d \n\r", gotByte);
+	  delay(900); //Delay after a response to minimize CPU usage on RPi
+				  //Expects a payload every second      
    }
  }
 

examples_RPi/pingpair_dyn.cpp

@@ -28,6 +28,9 @@ using namespace std;
 // Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 4Mhz
 //RF24 radio(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_4MHZ);
 
+// NEW: Setup for RPi B+
+//RF24 radio(RPI_BPLUS_GPIO_J8_15,RPI_BPLUS_GPIO_J8_24, BCM2835_SPI_SPEED_8MHZ);
+
 // Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 8Mhz
 RF24 radio(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_24, BCM2835_SPI_SPEED_8MHZ);
 
@@ -35,8 +38,7 @@ RF24 radio(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_24, BCM2835_SPI_SPEED_8MHZ);
 // Radio pipe addresses for the 2 nodes to communicate.
 const uint64_t pipes[2] = { 0xF0F0F0F0E1LL, 0xF0F0F0F0D2LL };
 
-bool role_ping_out = 1, role_pong_back = 0;
-bool role = 0;
+
 
 const int min_payload_size = 4;
 const int max_payload_size = 32;
@@ -47,6 +49,8 @@ char receive_payload[max_payload_size+1]; // +1 to allow room for a terminating
 
 int main(int argc, char** argv){
 
+  bool role_ping_out = 1, role_pong_back = 0;
+  bool role = 0;
 
   // Print preamble:
   printf("RF24/examples/pingpair_dyn/\n");

examples_RPi/transfer.cpp

@@ -16,7 +16,7 @@ TMRh20 2014
 #include <iostream>
 #include <sstream>
 #include <string>
-#include "./RF24.h"
+#include <RF24/RF24.h>
 
 
 using namespace std;
@@ -32,6 +32,9 @@ using namespace std;
 // Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 4Mhz
 //RF24 radio(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_4MHZ);
 
+// NEW: Setup for RPi B+
+//RF24 radio(RPI_BPLUS_GPIO_J8_15,RPI_BPLUS_GPIO_J8_24, BCM2835_SPI_SPEED_8MHZ);
+
 // Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 8Mhz
 RF24 radio(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_24, BCM2835_SPI_SPEED_8MHZ);
 
@@ -40,13 +43,14 @@ RF24 radio(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_24, BCM2835_SPI_SPEED_8MHZ);
 // Radio pipe addresses for the 2 nodes to communicate.
 const uint64_t addresses[2] = { 0xABCDABCD71LL, 0x544d52687CLL };
 
-bool role_ping_out = 1, role_pong_back = 0;
-bool role = 0;
+
 uint8_t data[32];
 unsigned long startTime, stopTime, counter, rxTimer=0;
 
 int main(int argc, char** argv){
 
+  bool role_ping_out = 1, role_pong_back = 0;
+  bool role = 0;
 
   // Print preamble:
 
@@ -55,7 +59,7 @@ int main(int argc, char** argv){
   radio.begin();                           // Setup and configure rf radio
   radio.setChannel(1);
   radio.setPALevel(RF24_PA_MAX);
-  radio.setDataRate(RF24_2MBPS);
+  radio.setDataRate(RF24_1MBPS);
   radio.setAutoAck(1);                     // Ensure autoACK is enabled
   radio.setRetries(2,15);                  // Optionally, increase the delay between retries & # of retries
   radio.setCRCLength(RF24_CRC_8);
@@ -101,6 +105,7 @@ int main(int argc, char** argv){
 
 		long int cycles = 10000; 					//Change this to a higher or lower number.
 		
+		// unsigned long pauseTime = millis();		//Uncomment if autoAck == 1 ( NOACK )
 		startTime = millis();
 	
 		for(int i=0; i<cycles; i++){        		//Loop through a number of cycles
@@ -108,6 +113,13 @@ int main(int argc, char** argv){
       			if(!radio.writeFast(&data,32)){     //Write to the FIFO buffers
         			counter++;                      //Keep count of failed payloads
       			}
+				
+				//This is only required when NO ACK ( enableAutoAck(0) ) payloads are used
+		/*		if(millis() - pauseTime > 3){       // Need to drop out of TX mode every 4ms if sending a steady stream of multicast data
+					pauseTime = millis();		    
+					radio.txStandBy();				// This gives the PLL time to sync back up	
+				}
+		*/
 		}
 		stopTime = millis();