From 36167a9e02fecc3d45f863083b43a619953cb98e Mon Sep 17 00:00:00 2001 From: maniacbug Date: Wed, 4 Jan 2012 20:11:28 -0800 Subject: [PATCH] New 'nordic_fob' example started, based on pingpair --- examples/nordic_fob/Jamfile | 219 ++++++++++++++++++++++++++++ examples/nordic_fob/nordic_fob.pde | 220 +++++++++++++++++++++++++++++ examples/nordic_fob/printf.h | 37 +++++ 3 files changed, 476 insertions(+) create mode 100644 examples/nordic_fob/Jamfile create mode 100644 examples/nordic_fob/nordic_fob.pde create mode 100644 examples/nordic_fob/printf.h diff --git a/examples/nordic_fob/Jamfile b/examples/nordic_fob/Jamfile new file mode 100644 index 0000000..f26d4a4 --- /dev/null +++ b/examples/nordic_fob/Jamfile @@ -0,0 +1,219 @@ +# (1) Project Information + +PROJECT_LIBS = RF24 SPI ; +PROJECT_DIRS = $(PWD) ; + +# (2) Board Information + +UPLOAD_PROTOCOL ?= stk500v1 ; +UPLOAD_SPEED ?= 115200 ; +MCU ?= atmega328p ; +F_CPU ?= 16000000 ; +CORE ?= arduino ; +VARIANT ?= standard ; +ARDUINO_VERSION ?= 100 ; + +# (3) USB Ports + +PORTS = p4 p6 p9 u0 u1 u2 ; +PORT_p6 = /dev/tty.usbserial-A600eHIs ; +PORT_p4 = /dev/tty.usbserial-A40081RP ; +PORT_p9 = /dev/tty.usbserial-A9007LmI ; +PORT_u0 = /dev/ttyUSB0 ; +PORT_u1 = /dev/ttyUSB1 ; +PORT_u2 = /dev/ttyUSB2 ; + +# (4) Location of AVR tools +# +# This configuration assumes using avr-tools that were obtained separate from the Arduino +# distribution. + +if $(OS) = MACOSX +{ + AVR_BIN = /usr/local/avrtools/bin ; + AVR_ETC = /usr/local/avrtools/etc ; + AVR_INCLUDE = /usr/local/avrtools/include ; +} +else +{ + AVR_BIN = /usr/bin ; + AVR_INCLUDE = /usr/lib/avr/include ; + AVR_ETC = /etc ; +} + +# (5) Directories where Arduino core and libraries are located + +ARDUINO_DIR ?= /opt/Arduino ; +ARDUINO_CORE = $(ARDUINO_DIR)/hardware/arduino/cores/$(CORE) $(ARDUINO_DIR)/hardware/arduino/variants/$(VARIANT) ; +ARDUINO_LIB = $(ARDUINO_DIR)/libraries ; +SKETCH_LIB = $(HOME)/Source/Arduino/libraries ; + +# +# -------------------------------------------------- +# Below this line usually never needs to be modified +# + +# Tool locations + +CC = $(AVR_BIN)/avr-gcc ; +C++ = $(AVR_BIN)/avr-g++ ; +LINK = $(AVR_BIN)/avr-gcc ; +AR = $(AVR_BIN)/avr-ar rcs ; +RANLIB = ; +OBJCOPY = $(AVR_BIN)/avr-objcopy ; +AVRDUDE = $(AVR_BIN)/avrdude ; + +# Flags + +DEFINES += F_CPU=$(F_CPU)L ARDUINO=$(ARDUINO_VERSION) VERSION_H ; +OPTIM = -Os ; +CCFLAGS = -Wall -Wextra -Wno-strict-aliasing -mmcu=$(MCU) -ffunction-sections -fdata-sections ; +C++FLAGS = $(CCFLAGS) -fno-exceptions -fno-strict-aliasing ; +LINKFLAGS = $(OPTIM) -lm -Wl,--gc-sections -mmcu=$(MCU) ; +AVRDUDEFLAGS = -V -F -D -C $(AVR_ETC)/avrdude.conf -p $(MCU) -c $(UPLOAD_PROTOCOL) -b $(UPLOAD_SPEED) ; + +# Search everywhere for headers + +HDRS = $(PROJECT_DIRS) $(AVR_INCLUDE) $(ARDUINO_CORE) $(ARDUINO_LIB)/$(PROJECT_LIBS) $(ARDUINO_LIB)/$(PROJECT_LIBS)/utility $(SKETCH_LIB)/$(PROJECT_LIBS) ; + +# Output locations + +LOCATE_TARGET = $(F_CPU) ; +LOCATE_SOURCE = $(F_CPU) ; + +# +# Custom rules +# + +rule GitVersion +{ + Always $(<) ; + Depends all : $(<) ; +} + +actions GitVersion +{ + echo "const char program_version[] = \"\\" > $(<) + git log -1 --pretty=format:%h >> $(<) + echo "\";" >> $(<) +} + +GitVersion version.h ; + +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 UserObject +{ + switch $(>:S) + { + case .ino : C++Pde $(<) : $(>) ; + case .pde : C++Pde $(<) : $(>) ; + } +} + +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) ; + } +} + +rule Library +{ + LibraryFromObjects $(<) : $(>:B)$(SUFOBJ) ; + Objects $(>) ; +} + +rule Main +{ + MainFromObjects $(<) : $(>:B)$(SUFOBJ) ; + Objects $(>) ; +} + +rule Hex +{ + Depends $(<) : $(>) ; + MakeLocate $(<) : $(LOCATE_TARGET) ; + Depends hex : $(<) ; + Clean clean : $(<) ; +} + +actions Hex +{ + $(OBJCOPY) -O ihex -R .eeprom $(>) $(<) +} + +rule Upload +{ + Depends $(1) : $(2) ; + Depends $(2) : $(3) ; + NotFile $(1) ; + Always $(1) ; + Always $(2) ; + UploadAction $(2) : $(3) ; +} + +actions UploadAction +{ + $(AVRDUDE) $(AVRDUDEFLAGS) -P $(<) $(AVRDUDE_WRITE_FLASH) -U flash:w:$(>):i +} + +rule Arduino +{ + LINKFLAGS on $(<) = $(LINKFLAGS) -Wl,-Map=$(LOCATE_TARGET)/$(<:B).map ; + Main $(<) : $(>) ; + LinkLibraries $(<) : core libs ; + Hex $(<:B).hex : $(<) ; + for _p in $(PORTS) + { + Upload $(_p) : $(PORT_$(_p)) : $(<:B).hex ; + } +} + +# +# Targets +# + +# Grab everything from the core directory +Library core : [ GLOB $(ARDUINO_CORE) : *.c *.cpp ] ; + +# Grab everything from libraries. To avoid this "grab everything" behaviour, you +# can specify specific modules to pick up in PROJECT_MODULES +Library libs : [ GLOB $(ARDUINO_LIB)/$(PROJECT_LIBS) $(ARDUINO_LIB)/$(PROJECT_LIBS)/utility $(SKETCH_LIB)/$(PROJECT_LIBS) : *.cpp *.c ] ; + +# Main output executable +Arduino $(PWD:B).elf : $(PROJECT_MODULES) [ GLOB $(PROJECT_DIRS) : *.c *.cpp *.pde *.ino ] ; diff --git a/examples/nordic_fob/nordic_fob.pde b/examples/nordic_fob/nordic_fob.pde new file mode 100644 index 0000000..3a57a67 --- /dev/null +++ b/examples/nordic_fob/nordic_fob.pde @@ -0,0 +1,220 @@ +/* + Copyright (C) 2011 J. Coliz + + 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 + * + * 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 +#include "nRF24L01.h" +#include "RF24.h" +#include "printf.h" + +// +// Hardware configuration +// + +// Set up nRF24L01 radio on SPI bus plus pins 9 & 10 + +RF24 radio(9,10); + +// 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 = 7; + +// +// 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 + // + + Serial.begin(57600); + printf_begin(); + printf("\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) + { + // 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..."); + else + printf("failed.\n\r"); + + // 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.\n\r"); + } + 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\n\r",got_time,millis()-got_time); + } + + // 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.\n\r"); + + // Now, resume listening so we catch the next packets. + radio.startListening(); + } + } +} +// vim:cin:ai:sts=2 sw=2 ft=cpp diff --git a/examples/nordic_fob/printf.h b/examples/nordic_fob/printf.h new file mode 100644 index 0000000..b2efd56 --- /dev/null +++ b/examples/nordic_fob/printf.h @@ -0,0 +1,37 @@ +/* + Copyright (C) 2011 J. Coliz + + 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. + */ + +/** + * @file printf.h + * + * Setup necessary to direct stdout to the Arduino Serial library, which + * enables 'printf' + */ + +#ifndef __PRINTF_H__ +#define __PRINTF_H__ + +#ifdef ARDUINO + +int serial_putc( char c, FILE * ) +{ + Serial.write( c ); + + return c; +} + +void printf_begin(void) +{ + fdevopen( &serial_putc, 0 ); +} + +#else +#error This example is only for use on Arduino. +#endif // ARDUINO + +#endif // __PRINTF_H__