Merge pull request #40 from spaniakos/master

intel galileo support added.

RF24.cpp

@@ -594,8 +594,7 @@ void RF24::printDetails(void)
   print_byte_register(PSTR("RF_SETUP"),RF_SETUP);
   print_byte_register(PSTR("CONFIG"),CONFIG);
   print_byte_register(PSTR("DYNPD/FEATURE"),DYNPD,2);
-
-#if defined(__arm__) || defined (RF24_LINUX)
+#if defined(__arm__) || defined (RF24_LINUX) || defined (__ARDUINO_X86__)
   printf_P(PSTR("Data Rate\t = %s\r\n"),pgm_read_word(&rf24_datarate_e_str_P[getDataRate()]));
   printf_P(PSTR("Model\t\t = %s\r\n"),pgm_read_word(&rf24_model_e_str_P[isPVariant()]));
   printf_P(PSTR("CRC Length\t = %s\r\n"),pgm_read_word(&rf24_crclength_e_str_P[getCRCLength()]));
@@ -650,6 +649,9 @@ void RF24::begin(void)
     _SPI.begin();
     ce(LOW);
   	csn(HIGH);
+  	#if defined (__ARDUINO_X86__)
+		delay(100);
+  	#endif
   #endif
   #endif //Linux
 
@@ -735,9 +737,7 @@ void RF24::startListening(void)
   }
 
   // Go!
-  #if defined (RF24_LINUX) || defined (__arm__)
   delayMicroseconds(100);
-  #endif
   listeningStarted = 1;
 }
 
@@ -750,7 +750,7 @@ static const uint8_t child_pipe_enable[] PROGMEM =
 void RF24::stopListening(void)
 {  
   ce(LOW);
-  #if defined (RF24_LINUX)
+  #if defined (RF24_LINUX) || defined (__ARDUINO_X86__)
     delayMicroseconds(370);
   #elif defined(__arm__)
   	delayMicroseconds(300);
@@ -1067,7 +1067,7 @@ bool RF24::available(void)
 bool RF24::available(uint8_t* pipe_num)
 {
     //Check the FIFO buffer to see if data is waiting to be read
-	    #if defined (RF24_LINUX) // This seems to prevent faster devices like RPi from saturating the RF24 module with SPI requests
+	    #if defined (RF24_LINUX)  || defined (__ARDUINO_X86__) // This seems to prevent faster devices like RPi from saturating the RF24 module with SPI requests
 		   while(millis() - lastAvailableCheck < 1){}
 		   lastAvailableCheck = millis();
 		#else

RF24.h

@@ -16,7 +16,7 @@
 #define __RF24_H__
 
 #include "RF24_config.h"
-#if defined (__linux) || defined (LINUX)
+#if (defined (__linux) || defined (LINUX)) && !defined (__ARDUINO_X86__)
   #include "RPi/bcm2835.h"
 #elif defined SOFTSPI
   #include <DigitalIO.h>

RF24_config.h

@@ -9,6 +9,10 @@
  Added Arduino Due support from https://github.com/mcrosson/
  */
  
+ /* spaniakos <spaniakos@gmail.com>
+  Added __ARDUINO_X86__ support
+*/
+
 #ifndef __RF24_CONFIG_H__
 #define __RF24_CONFIG_H__
 
@@ -20,8 +24,7 @@
   //#define SOFTSPI   // Requires library from https://github.com/greiman/DigitalIO
   /**********************/
   
-#if defined (__linux) || defined (linux)
-  
+#if (defined (__linux) || defined (linux)) && !defined (__ARDUINO_X86__)
   #define RF24_LINUX
   
   #include <stdint.h>
@@ -67,7 +70,7 @@
   
  
   // Define _BV for non-Arduino platforms and for Arduino DUE
-#if defined (ARDUINO) && !defined (__arm__)
+#if defined (ARDUINO) && !defined (__arm__) && !defined (__ARDUINO_X86__)
 	#if defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__) || defined(__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__)
 		#define RF24_TINY
 		#define _SPI SPI
@@ -95,13 +98,13 @@
   #include <string.h>
 
 
- #if defined(__arm__) || defined (CORE_TEENSY)
+ #if defined(__arm__) || defined (CORE_TEENSY) || defined (__ARDUINO_X86__)
    #include <SPI.h>
  #endif
 
  #if !defined(CORE_TEENSY)	
    #define _BV(x) (1<<(x))
-   #if !defined(__arm__)
+   #if !defined(__arm__) && !defined (__ARDUINO_X86__)
      extern HardwareSPI SPI;
    #endif
  #else
@@ -121,6 +124,11 @@
     #endif
   #endif
   
+#if  defined (__ARDUINO_X86__)
+	#define printf_P printf
+	#define _BV(bit) (1<<(bit))
+#endif
+  
 // Avoid spurious warnings
 // Arduino DUE is arm and uses traditional PROGMEM constructs
 #if 1
@@ -134,7 +142,7 @@
 
 // Progmem is Arduino-specific
 // Arduino DUE is arm and does not include avr/pgmspace
-#if defined(ARDUINO) && ! defined(__arm__)
+#if defined(ARDUINO) && ! defined(__arm__) && !defined (__ARDUINO_X86__)
 	#include <avr/pgmspace.h>
 	#define PRIPSTR "%S"
 #else
@@ -144,7 +152,6 @@
 	#define pgm_read_byte(addr) (*(const unsigned char *)(addr))
 #endif
 
-
 #if !defined ( CORE_TEENSY )
 	typedef uint16_t prog_uint16_t;
 	#define PSTR(x) (x)

RPi/pyRF24/setup.py

+#!/usr/bin/env python
+
+from distutils.core import setup, Extension
+
+module_RF24 = Extension('RF24',
+            libraries = ['rf24-bcm', 'boost_python'],
+            sources = ['pyRF24.cpp'])
+
+setup(name='RF24',
+    version='1.0',
+    ext_modules=[module_RF24]
+      )

examples_RPi/pingpair_dyn.py

+#!/usr/bin/env python
+
+#
+# Example using Dynamic Payloads
+# 
+#  This is an example of how to use payloads of a varying (dynamic) size.
+# 
+
+import time
+from RF24 import *
+
+
+# CE Pin, CSN Pin, SPI Speed
+
+# Setup for GPIO 22 CE and GPIO 25 CSN with SPI Speed @ 1Mhz
+#radio = radio(RPI_V2_GPIO_P1_22, RPI_V2_GPIO_P1_18, BCM2835_SPI_SPEED_1MHZ)
+
+# Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 4Mhz
+#radio = RF24(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_4MHZ)
+
+# Setup for GPIO 22 CE and CE1 CSN with SPI Speed @ 8Mhz
+#radio = RF24(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_8MHZ)
+
+# Setup for GPIO 22 CE and CE0 CSN for RPi B+ with SPI Speed @ 8Mhz
+radio = RF24(RPI_BPLUS_GPIO_J8_22, RPI_BPLUS_GPIO_J8_24, BCM2835_SPI_SPEED_8MHZ)
+
+
+pipes = [0xF0F0F0F0E1, 0xF0F0F0F0D2]
+min_payload_size = 4
+max_payload_size = 32
+payload_size_increments_by = 1
+next_payload_size = min_payload_size
+inp_role = 'none'
+send_payload = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ789012'
+millis = lambda: int(round(time.time() * 1000))
+
+print 'pyRF24/examples/pingpair_dyn/'
+radio.begin()
+radio.enableDynamicPayloads()
+radio.setRetries(5,15)
+radio.printDetails()
+
+print ' ************ Role Setup *********** '
+while (inp_role !='0') and (inp_role !='1'):
+    inp_role = raw_input('Choose a role: Enter 0 for receiver, 1 for transmitter (CTRL+C to exit) ')
+
+if inp_role == '0':
+    print 'Role: Pong Back, awaiting transmission'
+    radio.openWritingPipe(pipes[1])
+    radio.openReadingPipe(1,pipes[0])
+    radio.startListening()
+else:
+    print 'Role: Ping Out, starting transmission'
+    radio.openWritingPipe(pipes[0])
+    radio.openReadingPipe(1,pipes[1])
+
+# forever loop
+while 1:
+    if inp_role == '1':   # ping out
+        # The payload will always be the same, what will change is how much of it we send.
+
+        # First, stop listening so we can talk.
+        radio.stopListening()
+
+        # Take the time, and send it.  This will block until complete
+        print 'Now sending length ', next_payload_size, ' ... ',
+        radio.write(send_payload[:next_payload_size])
+
+        # Now, continue listening
+        radio.startListening()
+
+        # Wait here until we get a response, or timeout
+        started_waiting_at = millis()
+        timeout = False
+        while (not radio.available()) and (not timeout):
+            if (millis() - started_waiting_at) > 500:
+                timeout = True
+
+        # Describe the results
+        if timeout:
+            print 'failed, response timed out.'
+        else:
+            # Grab the response, compare, and send to debugging spew
+            len = radio.getDynamicPayloadSize()
+            receive_payload = radio.read(len)
+
+            # Spew it
+            print 'got response size=', len, ' value="', receive_payload, '"'
+
+        # Update size for next time.
+        next_payload_size += payload_size_increments_by
+        if next_payload_size > max_payload_size:
+            next_payload_size = min_payload_size
+        time.sleep(0.1)
+    else:
+        # Pong back role.  Receive each packet, dump it out, and send it back
+
+        # if there is data ready
+        if radio.available():
+            while radio.available():
+                # Fetch the payload, and see if this was the last one.
+	            len = radio.getDynamicPayloadSize()
+	            receive_payload = radio.read(len)
+
+	            # Spew it
+	            print 'Got payload size=', len, ' value="', receive_payload, '"'
+
+            # First, stop listening so we can talk
+            radio.stopListening()
+
+            # Send the final one back.
+            radio.write(receive_payload)
+            print 'Sent response.'
+
+            # Now, resume listening so we catch the next packets.
+            radio.startListening()
+

printf.h

@@ -5,6 +5,7 @@
  modify it under the terms of the GNU General Public License
  version 2 as published by the Free Software Foundation.
  */
+ /*  Galileo support from spaniakos <spaniakos@gmail.com> */
 
 /**
  * @file printf.h
@@ -16,7 +17,7 @@
 #ifndef __PRINTF_H__
 #define __PRINTF_H__
 
-#if defined (ARDUINO) && !defined (__arm__)
+#if defined (ARDUINO) && !defined (__arm__) && !defined(__ARDUINO_X86__)
 
 int serial_putc( char c, FILE * )
 {
@@ -34,6 +35,23 @@ void printf_begin(void)
 
 void printf_begin(void){}
 
+#elif defined(__ARDUINO_X86__)
+int serial_putc( char c, FILE * )
+{
+  Serial.write( c );
+
+  return c;
+}
+
+void printf_begin(void)
+{
+  //JESUS - For reddirect stdout to /dev/ttyGS0 (Serial Monitor port)
+  stdout = freopen("/dev/ttyGS0","w",stdout);
+  delay(500);
+  printf("redirecting to Serial...");
+  
+  //JESUS -----------------------------------------------------------
+}
 #else
 #error This example is only for use on Arduino.
 #endif // ARDUINO