Files
MySensors/core/MyLeds.cpp
Patrick Fallberg 2d5404de97 CppCheck cleanup (#975)
* Add support for inline cppcheck suppressions
* Clean out all known cppcheck issues
* Terminate toll-gate on found cppcheck issues
2017-11-07 20:37:36 +01:00

120 lines
3.0 KiB
C++

/**
* The MySensors Arduino library handles the wireless radio link and protocol
* between your home built sensors/actuators and HA controller of choice.
* The sensors forms a self healing radio network with optional repeaters. Each
* repeater and gateway builds a routing tables in EEPROM which keeps track of the
* network topology allowing messages to be routed to nodes.
*
* Created by Henrik Ekblad <henrik.ekblad@mysensors.org>
* Copyright (C) 2013-2017 Sensnology AB
* Full contributor list: https://github.com/mysensors/Arduino/graphs/contributors
*
* Documentation: http://www.mysensors.org
* Support Forum: http://forum.mysensors.org
*
* 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.
*/
#include "MyLeds.h"
#define LED_ON_OFF_RATIO (4) // Power of 2 please
#define LED_PROCESS_INTERVAL_MS (MY_DEFAULT_LED_BLINK_PERIOD/LED_ON_OFF_RATIO)
// these variables don't need to be volatile, since we are not using interrupts
static uint8_t countRx;
static uint8_t countTx;
static uint8_t countErr;
static unsigned long prevTime;
inline void ledsInit()
{
// initialize counters
countRx = 0;
countTx = 0;
countErr = 0;
// Setup led pins
#if defined(MY_DEFAULT_RX_LED_PIN)
hwPinMode(MY_DEFAULT_RX_LED_PIN, OUTPUT);
#endif
#if defined(MY_DEFAULT_TX_LED_PIN)
hwPinMode(MY_DEFAULT_TX_LED_PIN, OUTPUT);
#endif
#if defined(MY_DEFAULT_ERR_LED_PIN)
hwPinMode(MY_DEFAULT_ERR_LED_PIN, OUTPUT);
#endif
prevTime = hwMillis() -
LED_PROCESS_INTERVAL_MS; // Substract some, to make sure leds gets updated on first run.
ledsProcess();
}
void ledsProcess()
{
// Just return if it is not the time...
if ((hwMillis() - prevTime) < LED_PROCESS_INTERVAL_MS) {
return;
}
prevTime = hwMillis();
#if defined(MY_DEFAULT_RX_LED_PIN) || defined(MY_DEFAULT_TX_LED_PIN) || defined(MY_DEFAULT_ERR_LED_PIN)
uint8_t state;
#endif
// For an On/Off ratio of 4, the pattern repeated will be [on, on, on, off]
// until the counter becomes 0.
#if defined(MY_DEFAULT_RX_LED_PIN)
if (countRx) {
--countRx;
}
state = (countRx & (LED_ON_OFF_RATIO-1)) ? LED_ON : LED_OFF;
hwDigitalWrite(MY_DEFAULT_RX_LED_PIN, state);
#endif
#if defined(MY_DEFAULT_TX_LED_PIN)
if (countTx) {
--countTx;
}
state = (countTx & (LED_ON_OFF_RATIO-1)) ? LED_ON : LED_OFF;
hwDigitalWrite(MY_DEFAULT_TX_LED_PIN, state);
#endif
#if defined(MY_DEFAULT_ERR_LED_PIN)
if (countErr) {
--countErr;
}
state = (countErr & (LED_ON_OFF_RATIO-1)) ? LED_ON : LED_OFF;
hwDigitalWrite(MY_DEFAULT_ERR_LED_PIN, state);
#endif
}
void ledsBlinkRx(uint8_t cnt)
{
if (!countRx) {
countRx = cnt*LED_ON_OFF_RATIO;
}
ledsProcess();
}
void ledsBlinkTx(uint8_t cnt)
{
if(!countTx) {
countTx = cnt*LED_ON_OFF_RATIO;
}
ledsProcess();
}
void ledsBlinkErr(uint8_t cnt)
{
if(!countErr) {
countErr = cnt*LED_ON_OFF_RATIO;
}
ledsProcess();
}
bool ledsBlinking()
{
return countRx || countTx || countErr;
}