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	switch to setup for Arduino Boards Manager
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										182
									
								
								digistump-sam/libraries/RF24/examples/pingpair_maple/Jamfile
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										182
									
								
								digistump-sam/libraries/RF24/examples/pingpair_maple/Jamfile
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,182 @@
 | 
			
		||||
MCU		= cortex-m3 ;
 | 
			
		||||
CHIP		= STM32F103ZE ;
 | 
			
		||||
BOARD		= maple_native ;
 | 
			
		||||
 | 
			
		||||
#CHIP		= at91sam3u4 ;
 | 
			
		||||
#BOARD		= sam3u-ek ;
 | 
			
		||||
 | 
			
		||||
if ! $(TOOLSET)
 | 
			
		||||
{
 | 
			
		||||
	TOOLSET = devkit ;
 | 
			
		||||
	Echo "Assuming TOOLSET=devkit" ;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
if $(TOOLSET) = yagarto
 | 
			
		||||
{
 | 
			
		||||
	TOOLS_PATH	= ~/Source/yagarto-4.6.2/bin ;
 | 
			
		||||
	TOOLS_ARCH	= arm-none-eabi- ;
 | 
			
		||||
}
 | 
			
		||||
if $(TOOLSET) = yagarto-install
 | 
			
		||||
{
 | 
			
		||||
	TOOLS_PATH	= ~/Source/yagarto/install/bin ;
 | 
			
		||||
	TOOLS_ARCH	= arm-none-eabi- ;
 | 
			
		||||
}
 | 
			
		||||
else if $(TOOLSET) = devkit
 | 
			
		||||
{
 | 
			
		||||
	TOOLS_PATH	= /opt/devkitARM/bin ;
 | 
			
		||||
	TOOLS_ARCH	= arm-eabi- ;
 | 
			
		||||
}
 | 
			
		||||
else if $(TOOLSET) = maple
 | 
			
		||||
{
 | 
			
		||||
	TOOLS_PATH	= /opt/Maple/Resources/Java/hardware/tools/arm/bin ; 
 | 
			
		||||
	TOOLS_ARCH	= arm-none-eabi- ;
 | 
			
		||||
}
 | 
			
		||||
else if $(TOOLSET) = ports
 | 
			
		||||
{
 | 
			
		||||
	TOOLS_PATH	= /opt/local/bin ;
 | 
			
		||||
	TOOLS_ARCH	= arm-none-eabi- ;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
CC	  	= $(TOOLS_PATH)/$(TOOLS_ARCH)gcc ;
 | 
			
		||||
C++	 	= $(TOOLS_PATH)/$(TOOLS_ARCH)g++ ;
 | 
			
		||||
AS	  	= $(TOOLS_PATH)/$(TOOLS_ARCH)gcc -c ;
 | 
			
		||||
LINK	  	= $(TOOLS_PATH)/$(TOOLS_ARCH)g++ ;
 | 
			
		||||
OBJCOPY 	= $(TOOLS_PATH)/$(TOOLS_ARCH)objcopy ;
 | 
			
		||||
DFU		= dfu-util ;
 | 
			
		||||
 | 
			
		||||
DEFINES  	+= VECT_TAB_FLASH BOARD_$(BOARD) MCU_$(CHIP) ERROR_LED_PORT=GPIOC ERROR_LED_PIN=15 STM32_HIGH_DENSITY MAPLE_IDE ;
 | 
			
		||||
OPTIM		= -Os ;
 | 
			
		||||
MFLAGS		= cpu=$(MCU) thumb arch=armv7-m ;
 | 
			
		||||
CCFLAGS  	= -Wall -m$(MFLAGS) -g -nostdlib -ffunction-sections -fdata-sections -Wl,--gc-sections ;
 | 
			
		||||
C++FLAGS  	= $(CCFLAGS) -fno-rtti -fno-exceptions ; 
 | 
			
		||||
LINKFLAGS  	+= -m$(MFLAGS) -Xlinker --gc-sections ;
 | 
			
		||||
DFUFLAGS	= -a1 -d 0x1eaf:0x0003 -R ;
 | 
			
		||||
 | 
			
		||||
MAPLE_DIR	= $(HOME)/Source/SAM3U/libmaple ;
 | 
			
		||||
MAPLE_LIBS	= Servo LiquidCrystal Wire FreeRTOS ;
 | 
			
		||||
MAPLE_SUBDIRS	= wirish wirish/comm wirish/boards libmaple libmaple/usb libmaple/usb/usb_lib ; 
 | 
			
		||||
 | 
			
		||||
SKETCH_DIR	= $(HOME)/Source/Arduino ;
 | 
			
		||||
SKETCH_LIBS	= RF24 ;
 | 
			
		||||
 | 
			
		||||
MODULE_DIRS	= . $(MAPLE_DIR)/$(MAPLE_SUBDIRS) $(MAPLE_DIR)/libraries/$(MAPLE_LIBS) $(SKETCH_DIR)/libraries/$(SKETCH_LIBS) ;
 | 
			
		||||
HDRS		= $(MODULE_DIRS) ;
 | 
			
		||||
LOCATE_TARGET	= out/$(TOOLSET) ;
 | 
			
		||||
LOCATE_SOURCE	= $(LOCATE_TARGET) ; 
 | 
			
		||||
 | 
			
		||||
rule Pde
 | 
			
		||||
{
 | 
			
		||||
	Depends $(<) : $(>) ;
 | 
			
		||||
	MakeLocate $(<) : $(LOCATE_SOURCE) ;
 | 
			
		||||
	Clean clean : $(<) ;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
if ( $(ARDUINO_VERSION) < 100 )
 | 
			
		||||
{
 | 
			
		||||
	ARDUINO_H = WProgram.h ;
 | 
			
		||||
}
 | 
			
		||||
else
 | 
			
		||||
{
 | 
			
		||||
	ARDUINO_H = Arduino.h ;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
actions Pde
 | 
			
		||||
{
 | 
			
		||||
	echo "#include <$(ARDUINO_H)>" > $(<) 
 | 
			
		||||
	echo "#line 1 \"$(>)\"" >> $(<)
 | 
			
		||||
	cat $(>) >> $(<) 
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
rule C++Pde
 | 
			
		||||
{
 | 
			
		||||
	local _CPP = $(>:B).cpp ;
 | 
			
		||||
	Pde $(_CPP) : $(>) ;
 | 
			
		||||
	C++ $(<) : $(_CPP) ;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
rule Hex
 | 
			
		||||
{
 | 
			
		||||
	Depends $(<) : $(>) ;
 | 
			
		||||
	MakeLocate $(<) : $(LOCATE_TARGET) ;
 | 
			
		||||
	Depends hex : $(<) ;
 | 
			
		||||
	Clean clean : $(<) ;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
actions Hex
 | 
			
		||||
{
 | 
			
		||||
	$(OBJCOPY) -O ihex $(>) $(<)
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
rule Binary
 | 
			
		||||
{
 | 
			
		||||
	Depends $(<) : $(>) ;
 | 
			
		||||
	MakeLocate $(<) : $(LOCATE_TARGET) ;
 | 
			
		||||
	Depends binary : $(<) ;
 | 
			
		||||
	Clean clean : $(<) ;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
actions Binary
 | 
			
		||||
{
 | 
			
		||||
	$(OBJCOPY) -O binary $(>) $(<)
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
rule UserObject
 | 
			
		||||
{
 | 
			
		||||
	switch $(>:S)
 | 
			
		||||
	{
 | 
			
		||||
		case .S : As $(<) : $(>) ;
 | 
			
		||||
		case .ino : C++Pde $(<) : $(>) ;
 | 
			
		||||
		case .pde : C++Pde $(<) : $(>) ;
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
rule Upload
 | 
			
		||||
{
 | 
			
		||||
	Depends up : $(<) ;
 | 
			
		||||
	NotFile up ;
 | 
			
		||||
	Always $(<) ;
 | 
			
		||||
	Always up ;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
actions Upload
 | 
			
		||||
{
 | 
			
		||||
	$(DFU) $(DFUFLAGS)  -D $(<)
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
# Override base objects rule, so all output can go in the output dir
 | 
			
		||||
rule Objects
 | 
			
		||||
{
 | 
			
		||||
        local _i ;
 | 
			
		||||
 | 
			
		||||
        for _i in [ FGristFiles $(<) ]
 | 
			
		||||
        {
 | 
			
		||||
		local _b = $(_i:B)$(SUFOBJ) ;
 | 
			
		||||
		local _o = $(_b:G=$(SOURCE_GRIST:E)) ;
 | 
			
		||||
                Object $(_o) : $(_i) ;
 | 
			
		||||
                Depends obj : $(_o) ;
 | 
			
		||||
        }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
# Override base main rule, so all output can go in the output dir
 | 
			
		||||
rule Main
 | 
			
		||||
{
 | 
			
		||||
        MainFromObjects $(<) : $(>:B)$(SUFOBJ) ;
 | 
			
		||||
        Objects $(>) ;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
# Modules
 | 
			
		||||
MODULES	= [ GLOB $(MODULE_DIRS) : *.pde *.c *.cpp *.S ] ; 
 | 
			
		||||
 | 
			
		||||
# Main output executable
 | 
			
		||||
MAIN		= $(PWD:B).elf ;
 | 
			
		||||
 | 
			
		||||
# Linker script
 | 
			
		||||
LINK_DIR	= $(MAPLE_DIR)/support/ld ;
 | 
			
		||||
LINKSCRIPT	= $(LINK_DIR)/$(BOARD)/flash.ld ; 
 | 
			
		||||
 | 
			
		||||
# Bring in the map and link script
 | 
			
		||||
LINKFLAGS	+= -Wl,-Map=$(LOCATE_TARGET)/$(MAIN:B).map -T$(LINKSCRIPT) -L$(LINK_DIR) ;
 | 
			
		||||
 | 
			
		||||
Main $(MAIN) : $(MODULES) ;
 | 
			
		||||
Binary $(MAIN:B).bin : $(MAIN) ;
 | 
			
		||||
Upload $(MAIN:B).bin ;
 | 
			
		||||
@@ -0,0 +1,87 @@
 | 
			
		||||
#ifdef MAPLE_IDE
 | 
			
		||||
 | 
			
		||||
#include <stdio.h>
 | 
			
		||||
#include "wirish.h"
 | 
			
		||||
 | 
			
		||||
extern void setup(void);
 | 
			
		||||
extern void loop(void);
 | 
			
		||||
 | 
			
		||||
void board_start(const char* program_name)
 | 
			
		||||
{
 | 
			
		||||
  // Set up the LED to steady on
 | 
			
		||||
  pinMode(BOARD_LED_PIN, OUTPUT);
 | 
			
		||||
  digitalWrite(BOARD_LED_PIN, HIGH);
 | 
			
		||||
 | 
			
		||||
  // Setup the button as input
 | 
			
		||||
  pinMode(BOARD_BUTTON_PIN, INPUT);
 | 
			
		||||
  digitalWrite(BOARD_BUTTON_PIN, HIGH);
 | 
			
		||||
 | 
			
		||||
  SerialUSB.begin();
 | 
			
		||||
  SerialUSB.println("Press BUT");
 | 
			
		||||
 | 
			
		||||
  // Wait for button press
 | 
			
		||||
  while ( !isButtonPressed() )
 | 
			
		||||
  {
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  SerialUSB.println("Welcome!");
 | 
			
		||||
  SerialUSB.println(program_name);
 | 
			
		||||
 | 
			
		||||
  int i = 11;
 | 
			
		||||
  while (i--)
 | 
			
		||||
  {
 | 
			
		||||
    toggleLED();
 | 
			
		||||
    delay(50);
 | 
			
		||||
  }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * Custom version of _write, which will print to the USB.
 | 
			
		||||
 * In order to use it you MUST ADD __attribute__((weak))
 | 
			
		||||
 * to _write in libmaple/syscalls.c
 | 
			
		||||
*/
 | 
			
		||||
extern "C" int _write (int file, char * ptr, int len)
 | 
			
		||||
{
 | 
			
		||||
  if ( (file != 1) && (file != 2) )
 | 
			
		||||
    return 0; 
 | 
			
		||||
  else
 | 
			
		||||
    SerialUSB.write(ptr,len);
 | 
			
		||||
  return len;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * Re-entrant version of _write.  Yagarto and Devkit now use
 | 
			
		||||
 * the re-entrant newlib, so these get called instead of the
 | 
			
		||||
 * non_r versions.
 | 
			
		||||
 */
 | 
			
		||||
extern "C" int _write_r (void*, int file, char * ptr, int len)
 | 
			
		||||
{
 | 
			
		||||
  return _write( file, ptr, len);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
__attribute__((constructor)) __attribute__ ((weak)) void premain()
 | 
			
		||||
{
 | 
			
		||||
  init();
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
__attribute__((weak)) void setup(void)
 | 
			
		||||
{
 | 
			
		||||
  board_start("No program defined");
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
__attribute__((weak)) void loop(void)
 | 
			
		||||
{
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
__attribute__((weak)) int main(void)
 | 
			
		||||
{
 | 
			
		||||
  setup();
 | 
			
		||||
 | 
			
		||||
  while (true)
 | 
			
		||||
  {
 | 
			
		||||
    loop();
 | 
			
		||||
  }
 | 
			
		||||
  return 0;
 | 
			
		||||
}
 | 
			
		||||
#endif // ifdef MAPLE_IDE
 | 
			
		||||
// vim:cin:ai:sts=2 sw=2 ft=cpp
 | 
			
		||||
@@ -0,0 +1,242 @@
 | 
			
		||||
/*
 | 
			
		||||
 Copyright (C) 2011 J. Coliz <maniacbug@ymail.com>
 | 
			
		||||
 | 
			
		||||
 This program is free software; you can redistribute it and/or
 | 
			
		||||
 modify it under the terms of the GNU General Public License
 | 
			
		||||
 version 2 as published by the Free Software Foundation.
 | 
			
		||||
 */
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * Example RF Radio Ping Pair ... for Maple
 | 
			
		||||
 *
 | 
			
		||||
 * This is an example of how to use the RF24 class.  Write this sketch to two different nodes,
 | 
			
		||||
 * connect the role_pin to ground on one.  The ping node sends the current time to the pong node,
 | 
			
		||||
 * which responds by sending the value back.  The ping node can then see how long the whole cycle
 | 
			
		||||
 * took.
 | 
			
		||||
 */
 | 
			
		||||
 | 
			
		||||
#include "WProgram.h"
 | 
			
		||||
#include <SPI.h>
 | 
			
		||||
#include "nRF24L01.h"
 | 
			
		||||
#include "RF24.h"
 | 
			
		||||
 | 
			
		||||
//
 | 
			
		||||
// Maple specific setup.  Other than this section, the sketch is the same on Maple as on
 | 
			
		||||
// Arduino
 | 
			
		||||
//
 | 
			
		||||
 | 
			
		||||
#ifdef MAPLE_IDE
 | 
			
		||||
 | 
			
		||||
// External startup function
 | 
			
		||||
extern void board_start(const char* program_name);
 | 
			
		||||
 | 
			
		||||
// Use SPI #2.
 | 
			
		||||
HardwareSPI SPI(2);
 | 
			
		||||
 | 
			
		||||
#else
 | 
			
		||||
#define board_startup printf
 | 
			
		||||
#define toggleLED(x) (x)
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
//
 | 
			
		||||
// Hardware configuration
 | 
			
		||||
//
 | 
			
		||||
 | 
			
		||||
// Set up nRF24L01 radio on SPI bus plus pins 7 & 6
 | 
			
		||||
// (This works for the Getting Started board plugged into the
 | 
			
		||||
// Maple Native backwards.)
 | 
			
		||||
 | 
			
		||||
RF24 radio(7,6);
 | 
			
		||||
 | 
			
		||||
// sets the role of this unit in hardware.  Connect to GND to be the 'pong' receiver
 | 
			
		||||
// Leave open to be the 'ping' transmitter
 | 
			
		||||
const int role_pin = 10;
 | 
			
		||||
 | 
			
		||||
//
 | 
			
		||||
// Topology
 | 
			
		||||
//
 | 
			
		||||
 | 
			
		||||
// Radio pipe addresses for the 2 nodes to communicate.
 | 
			
		||||
const uint64_t pipes[2] = { 0xF0F0F0F0E1LL, 0xF0F0F0F0D2LL };
 | 
			
		||||
 | 
			
		||||
//
 | 
			
		||||
// Role management
 | 
			
		||||
//
 | 
			
		||||
// Set up role.  This sketch uses the same software for all the nodes
 | 
			
		||||
// in this system.  Doing so greatly simplifies testing.  The hardware itself specifies
 | 
			
		||||
// which node it is.
 | 
			
		||||
//
 | 
			
		||||
// This is done through the role_pin
 | 
			
		||||
//
 | 
			
		||||
 | 
			
		||||
// The various roles supported by this sketch
 | 
			
		||||
typedef enum { role_ping_out = 1, role_pong_back } role_e;
 | 
			
		||||
 | 
			
		||||
// The debug-friendly names of those roles
 | 
			
		||||
const char* role_friendly_name[] = { "invalid", "Ping out", "Pong back"};
 | 
			
		||||
 | 
			
		||||
// The role of the current running sketch
 | 
			
		||||
role_e role;
 | 
			
		||||
 | 
			
		||||
void setup(void)
 | 
			
		||||
{
 | 
			
		||||
  //
 | 
			
		||||
  // Role
 | 
			
		||||
  //
 | 
			
		||||
 | 
			
		||||
  // set up the role pin
 | 
			
		||||
  pinMode(role_pin, INPUT);
 | 
			
		||||
  digitalWrite(role_pin,HIGH);
 | 
			
		||||
  delay(20); // Just to get a solid reading on the role pin
 | 
			
		||||
 | 
			
		||||
  // read the address pin, establish our role
 | 
			
		||||
  if ( digitalRead(role_pin) )
 | 
			
		||||
    role = role_ping_out;
 | 
			
		||||
  else
 | 
			
		||||
    role = role_pong_back;
 | 
			
		||||
 | 
			
		||||
  //
 | 
			
		||||
  // Print preamble
 | 
			
		||||
  //
 | 
			
		||||
 | 
			
		||||
  board_start("\n\rRF24/examples/pingpair/\n\r");
 | 
			
		||||
  printf("ROLE: %s\n\r",role_friendly_name[role]);
 | 
			
		||||
 | 
			
		||||
  //
 | 
			
		||||
  // Setup and configure rf radio
 | 
			
		||||
  //
 | 
			
		||||
 | 
			
		||||
  radio.begin();
 | 
			
		||||
 | 
			
		||||
  // optionally, increase the delay between retries & # of retries
 | 
			
		||||
  radio.setRetries(15,15);
 | 
			
		||||
 | 
			
		||||
  // optionally, reduce the payload size.  seems to
 | 
			
		||||
  // improve reliability
 | 
			
		||||
  radio.setPayloadSize(8);
 | 
			
		||||
 | 
			
		||||
  //
 | 
			
		||||
  // Open pipes to other nodes for communication
 | 
			
		||||
  //
 | 
			
		||||
 | 
			
		||||
  // This simple sketch opens two pipes for these two nodes to communicate
 | 
			
		||||
  // back and forth.
 | 
			
		||||
  // Open 'our' pipe for writing
 | 
			
		||||
  // Open the 'other' pipe for reading, in position #1 (we can have up to 5 pipes open for reading)
 | 
			
		||||
 | 
			
		||||
  if ( role == role_ping_out )
 | 
			
		||||
  {
 | 
			
		||||
    radio.openWritingPipe(pipes[0]);
 | 
			
		||||
    radio.openReadingPipe(1,pipes[1]);
 | 
			
		||||
  }
 | 
			
		||||
  else
 | 
			
		||||
  {
 | 
			
		||||
    radio.openWritingPipe(pipes[1]);
 | 
			
		||||
    radio.openReadingPipe(1,pipes[0]);
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  //
 | 
			
		||||
  // Start listening
 | 
			
		||||
  //
 | 
			
		||||
 | 
			
		||||
  radio.startListening();
 | 
			
		||||
 | 
			
		||||
  //
 | 
			
		||||
  // Dump the configuration of the rf unit for debugging
 | 
			
		||||
  //
 | 
			
		||||
 | 
			
		||||
  radio.printDetails();
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void loop(void)
 | 
			
		||||
{
 | 
			
		||||
  //
 | 
			
		||||
  // Ping out role.  Repeatedly send the current time
 | 
			
		||||
  //
 | 
			
		||||
 | 
			
		||||
  if (role == role_ping_out)
 | 
			
		||||
  {
 | 
			
		||||
    toggleLED();
 | 
			
		||||
 | 
			
		||||
    // First, stop listening so we can talk.
 | 
			
		||||
    radio.stopListening();
 | 
			
		||||
 | 
			
		||||
    // Take the time, and send it.  This will block until complete
 | 
			
		||||
    unsigned long time = millis();
 | 
			
		||||
    printf("Now sending %lu...",time);
 | 
			
		||||
    bool ok = radio.write( &time, sizeof(unsigned long) );
 | 
			
		||||
 | 
			
		||||
    if (ok)
 | 
			
		||||
      printf("ok...\r\n");
 | 
			
		||||
    else
 | 
			
		||||
      printf("failed.\r\n");
 | 
			
		||||
 | 
			
		||||
    // Now, continue listening
 | 
			
		||||
    radio.startListening();
 | 
			
		||||
 | 
			
		||||
    // Wait here until we get a response, or timeout (250ms)
 | 
			
		||||
    unsigned long started_waiting_at = millis();
 | 
			
		||||
    bool timeout = false;
 | 
			
		||||
    while ( ! radio.available() && ! timeout )
 | 
			
		||||
      if (millis() - started_waiting_at > 200 )
 | 
			
		||||
        timeout = true;
 | 
			
		||||
 | 
			
		||||
    // Describe the results
 | 
			
		||||
    if ( timeout )
 | 
			
		||||
    {
 | 
			
		||||
      printf("Failed, response timed out.\r\n");
 | 
			
		||||
    }
 | 
			
		||||
    else
 | 
			
		||||
    {
 | 
			
		||||
      // Grab the response, compare, and send to debugging spew
 | 
			
		||||
      unsigned long got_time;
 | 
			
		||||
      radio.read( &got_time, sizeof(unsigned long) );
 | 
			
		||||
 | 
			
		||||
      // Spew it
 | 
			
		||||
      printf("Got response %lu, round-trip delay: %lu\r\n",got_time,millis()-got_time);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    toggleLED();
 | 
			
		||||
 | 
			
		||||
    // Try again 1s later
 | 
			
		||||
    delay(1000);
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  //
 | 
			
		||||
  // Pong back role.  Receive each packet, dump it out, and send it back
 | 
			
		||||
  //
 | 
			
		||||
 | 
			
		||||
  if ( role == role_pong_back )
 | 
			
		||||
  {
 | 
			
		||||
    // if there is data ready
 | 
			
		||||
    if ( radio.available() )
 | 
			
		||||
    {
 | 
			
		||||
      // Dump the payloads until we've gotten everything
 | 
			
		||||
      unsigned long got_time;
 | 
			
		||||
      bool done = false;
 | 
			
		||||
      while (!done)
 | 
			
		||||
      {
 | 
			
		||||
        // Fetch the payload, and see if this was the last one.
 | 
			
		||||
        done = radio.read( &got_time, sizeof(unsigned long) );
 | 
			
		||||
 | 
			
		||||
        // Spew it
 | 
			
		||||
        printf("Got payload %lu...",got_time);
 | 
			
		||||
 | 
			
		||||
        // Delay just a little bit to let the other unit
 | 
			
		||||
        // make the transition to receiver
 | 
			
		||||
        delay(20);
 | 
			
		||||
      }
 | 
			
		||||
 | 
			
		||||
      // First, stop listening so we can talk
 | 
			
		||||
      radio.stopListening();
 | 
			
		||||
 | 
			
		||||
      // Send the final one back.
 | 
			
		||||
      radio.write( &got_time, sizeof(unsigned long) );
 | 
			
		||||
      printf("Sent response.\r\n");
 | 
			
		||||
 | 
			
		||||
      // Now, resume listening so we catch the next packets.
 | 
			
		||||
      radio.startListening();
 | 
			
		||||
    }
 | 
			
		||||
  }
 | 
			
		||||
}
 | 
			
		||||
// vim:cin:ai:sts=2 sw=2 ft=cpp
 | 
			
		||||
		Reference in New Issue
	
	Block a user