libs/RF24
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

astyle -A1 -s2

Browse Source
This commit is contained in:
maniacbug
2011-07-08 22:15:37 -07:00
parent 062d83346b
commit d5a3e79c66
8 changed files with 192 additions and 190 deletions
Download Patch File Download Diff File Expand all files Collapse all files

89
examples/pingpair_sleepy/pingpair_sleepy.pde
View File

@@ -1,6 +1,6 @@
/*
Copyright (C) 2011 James Coliz, Jr. <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.
@@ -15,11 +15,11 @@
* ping/pong cycle.
*
* As with the pingpair.pde example, write this sketch to two different nodes,
* connect the role_pin to ground on one. The ping node sends the current
* 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 <SPI.h>
#include <avr/sleep.h>
#include <avr/power.h>
@@ -36,7 +36,7 @@
RF24 radio(8,9);
// sets the role of this unit in hardware. Connect to GND to be the 'pong' receiver
// Leave open to be the 'ping' transmitter
// Leave open to be the 'ping' transmitter
const int role_pin = 7;
//
@@ -86,12 +86,12 @@ 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;
@@ -101,7 +101,7 @@ void setup(void)
//
// Print preamble
//
Serial.begin(57600);
printf_begin();
printf("\n\rRF24/examples/pingpair_sleepy/\n\r");
@@ -118,18 +118,18 @@ void setup(void)
//
// Setup and configure rf radio
//
radio.begin();
//
// 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]);
@@ -144,13 +144,13 @@ void setup(void)
//
// Start listening
//
radio.startListening();
//
// Dump the configuration of the rf unit for debugging
//
radio.printDetails();
}
@@ -159,27 +159,27 @@ 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);
radio.write( &time, sizeof(unsigned long) );
radio.write( &time, sizeof(unsigned long) );
// 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 > 250 )
timeout = true;
// Describe the results
if ( timeout )
{
@@ -190,11 +190,11 @@ void loop(void)
// 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);
}
//
// Shut down the system
//
@@ -210,16 +210,16 @@ void loop(void)
// continue execution here.
while( sleep_cycles_remaining )
do_sleep();
sleep_cycles_remaining = sleep_cycles_per_transmission;
}
//
// Pong back role. Receive each packet, dump it out, and send it back
//
// This is untouched from the pingpair example.
//
if ( role == role_pong_back )
{
// if there is data ready
@@ -232,19 +232,19 @@ void loop(void)
{
// Fetch the payload, and see if this was the last one.
done = radio.read( &got_time, sizeof(unsigned long) );
// Spew it. Include our time, because the ping_out millis counter is unreliable
// due to it sleeping
// due to it sleeping
printf("Got payload %lu @ %lu...",got_time,millis());
}
// First, stop listening so we can talk
radio.stopListening();
// Send the final one back.
radio.write( &got_time, sizeof(unsigned long) );
radio.write( &got_time, sizeof(unsigned long) );
printf("Sent response.\n\r");
// Now, resume listening so we catch the next packets.
radio.startListening();
}
@@ -252,36 +252,37 @@ void loop(void)
}
//
// Sleep helpers
// Sleep helpers
//
// 0=16ms, 1=32ms,2=64ms,3=125ms,4=250ms,5=500ms
// 6=1 sec,7=2 sec, 8=4 sec, 9= 8sec
void setup_watchdog(uint8_t prescalar)
void setup_watchdog(uint8_t prescalar)
{
prescalar = min(9,prescalar);
uint8_t wdtcsr = prescalar & 7;
if ( prescalar & 8 )
wdtcsr |= _BV(WDP3);
prescalar = min(9,prescalar);
uint8_t wdtcsr = prescalar & 7;
if ( prescalar & 8 )
wdtcsr |= _BV(WDP3);
MCUSR &= ~_BV(WDRF);
WDTCSR = _BV(WDCE) | _BV(WDE);
WDTCSR = _BV(WDCE) | wdtcsr | _BV(WDIE);
MCUSR &= ~_BV(WDRF);
WDTCSR = _BV(WDCE) | _BV(WDE);
WDTCSR = _BV(WDCE) | wdtcsr | _BV(WDIE);
}
ISR(WDT_vect) {
ISR(WDT_vect)
{
--sleep_cycles_remaining;
}
void do_sleep(void)
{
set_sleep_mode(SLEEP_MODE_PWR_DOWN); // sleep mode is set here
sleep_enable();
set_sleep_mode(SLEEP_MODE_PWR_DOWN); // sleep mode is set here
sleep_enable();
sleep_mode(); // System sleeps here
sleep_mode(); // System sleeps here
sleep_disable(); // System continues execution here when watchdog timed out
sleep_disable(); // System continues execution here when watchdog timed out
}
// vim:ai:cin:sts=2 sw=2 ft=cpp