497 lines
16 KiB
C++
497 lines
16 KiB
C++
#pragma once
|
|
|
|
#include "wled.h"
|
|
|
|
class SevenSegmentDisplay : public Usermod
|
|
{
|
|
|
|
#define WLED_SS_BUFFLEN 6
|
|
#define REFRESHTIME 497
|
|
private:
|
|
//Runtime variables.
|
|
unsigned long lastRefresh = 0;
|
|
unsigned long lastCharacterStep = 0;
|
|
String ssDisplayBuffer = "";
|
|
char ssCharacterMask[36] = {0x77, 0x11, 0x6B, 0x3B, 0x1D, 0x3E, 0x7E, 0x13, 0x7F, 0x1F, 0x5F, 0x7C, 0x66, 0x79, 0x6E, 0x4E, 0x76, 0x5D, 0x44, 0x71, 0x5E, 0x64, 0x27, 0x58, 0x77, 0x4F, 0x1F, 0x48, 0x3E, 0x6C, 0x75, 0x25, 0x7D, 0x2A, 0x3D, 0x6B};
|
|
int ssDisplayMessageIdx = 0; //Position of the start of the message to be physically displayed.
|
|
bool ssDoDisplayTime = true;
|
|
int ssVirtualDisplayMessageIdxStart = 0;
|
|
int ssVirtualDisplayMessageIdxEnd = 0;
|
|
unsigned long resfreshTime = 497;
|
|
|
|
// set your config variables to their boot default value (this can also be done in readFromConfig() or a constructor if you prefer)
|
|
int ssLEDPerSegment = 1; //The number of LEDs in each segment of the 7 seg (total per digit is 7 * ssLedPerSegment)
|
|
int ssLEDPerPeriod = 1; //A Period will have 1x and a Colon will have 2x
|
|
int ssStartLED = 0; //The pixel that the display starts at.
|
|
/* HH - 0-23. hh - 1-12, kk - 1-24 hours
|
|
// MM or mm - 0-59 minutes
|
|
// SS or ss = 0-59 seconds
|
|
// : for a colon
|
|
// All others for alpha numeric, (will be blank when displaying time)
|
|
*/
|
|
String ssDisplayMask = "HHMMSS"; //Physical Display Mask, this should reflect physical equipment.
|
|
/* ssDisplayConfig
|
|
// -------
|
|
// / A / 0 - EDCGFAB
|
|
// / F / B 1 - EDCBAFG
|
|
// / / 2 - GCDEFAB
|
|
// ------- 3 - GBAFEDC
|
|
// / G / 4 - FABGEDC
|
|
// / E / C 5 - FABCDEG
|
|
// / /
|
|
// -------
|
|
// D
|
|
*/
|
|
int ssDisplayConfig = 5; //Physical configuration of the Seven segment display
|
|
String ssDisplayMessage = "~";
|
|
bool ssTimeEnabled = true; //If not, display message.
|
|
unsigned int ssScrollSpeed = 1000; //Time between advancement of extended message scrolling, in milliseconds.
|
|
|
|
//String to reduce flash memory usage
|
|
static const char _str_perSegment[];
|
|
static const char _str_perPeriod[];
|
|
static const char _str_startIdx[];
|
|
static const char _str_displayCfg[];
|
|
static const char _str_timeEnabled[];
|
|
static const char _str_scrollSpd[];
|
|
static const char _str_displayMask[];
|
|
static const char _str_displayMsg[];
|
|
static const char _str_sevenSeg[];
|
|
static const char _str_subFormat[];
|
|
static const char _str_topicFormat[];
|
|
|
|
unsigned long _overlaySevenSegmentProcess()
|
|
{
|
|
//Do time for now.
|
|
if (ssDoDisplayTime)
|
|
{
|
|
//Format the ssDisplayBuffer based on ssDisplayMask
|
|
int displayMaskLen = static_cast<int>(ssDisplayMask.length());
|
|
for (int index = 0; index < displayMaskLen; index++)
|
|
{
|
|
//Only look for time formatting if there are at least 2 characters left in the buffer.
|
|
if ((index < displayMaskLen - 1) && (ssDisplayMask[index] == ssDisplayMask[index + 1]))
|
|
{
|
|
int timeVar = 0;
|
|
switch (ssDisplayMask[index])
|
|
{
|
|
case 'h':
|
|
timeVar = hourFormat12(localTime);
|
|
break;
|
|
case 'H':
|
|
timeVar = hour(localTime);
|
|
break;
|
|
case 'k':
|
|
timeVar = hour(localTime) + 1;
|
|
break;
|
|
case 'M':
|
|
case 'm':
|
|
timeVar = minute(localTime);
|
|
break;
|
|
case 'S':
|
|
case 's':
|
|
timeVar = second(localTime);
|
|
break;
|
|
}
|
|
|
|
//Only want to leave a blank in the hour formatting.
|
|
if ((ssDisplayMask[index] == 'h' || ssDisplayMask[index] == 'H' || ssDisplayMask[index] == 'k') && timeVar < 10)
|
|
ssDisplayBuffer[index] = ' ';
|
|
else
|
|
ssDisplayBuffer[index] = 0x30 + (timeVar / 10);
|
|
ssDisplayBuffer[index + 1] = 0x30 + (timeVar % 10);
|
|
|
|
//Need to increment the index because of the second digit.
|
|
index++;
|
|
}
|
|
else
|
|
{
|
|
ssDisplayBuffer[index] = (ssDisplayMask[index] == ':' ? ':' : ' ');
|
|
}
|
|
}
|
|
return REFRESHTIME;
|
|
}
|
|
else
|
|
{
|
|
/* This will handle displaying a message and the scrolling of the message if its longer than the buffer length */
|
|
|
|
//Check to see if the message has scrolled completely
|
|
int len = static_cast<int>(ssDisplayMessage.length());
|
|
if (ssDisplayMessageIdx > len)
|
|
{
|
|
//If it has scrolled the whole message, reset it.
|
|
setSevenSegmentMessage(ssDisplayMessage);
|
|
return REFRESHTIME;
|
|
}
|
|
//Display message
|
|
int displayMaskLen = static_cast<int>(ssDisplayMask.length());
|
|
for (int index = 0; index < displayMaskLen; index++)
|
|
{
|
|
if (ssDisplayMessageIdx + index < len && ssDisplayMessageIdx + index >= 0)
|
|
ssDisplayBuffer[index] = ssDisplayMessage[ssDisplayMessageIdx + index];
|
|
else
|
|
ssDisplayBuffer[index] = ' ';
|
|
}
|
|
|
|
//Increase the displayed message index to progress it one character if the length exceeds the display length.
|
|
if (len > displayMaskLen)
|
|
ssDisplayMessageIdx++;
|
|
|
|
return ssScrollSpeed;
|
|
}
|
|
}
|
|
|
|
void _overlaySevenSegmentDraw()
|
|
{
|
|
|
|
//Start pixels at ssStartLED, Use ssLEDPerSegment, ssLEDPerPeriod, ssDisplayBuffer
|
|
int indexLED = ssStartLED;
|
|
int displayMaskLen = static_cast<int>(ssDisplayMask.length());
|
|
for (int indexBuffer = 0; indexBuffer < displayMaskLen; indexBuffer++)
|
|
{
|
|
if (ssDisplayBuffer[indexBuffer] == 0)
|
|
break;
|
|
else if (ssDisplayBuffer[indexBuffer] == '.')
|
|
{
|
|
//Won't ever turn off LED lights for a period. (or will we?)
|
|
indexLED += ssLEDPerPeriod;
|
|
continue;
|
|
}
|
|
else if (ssDisplayBuffer[indexBuffer] == ':')
|
|
{
|
|
//Turn off colon if odd second?
|
|
indexLED += ssLEDPerPeriod * 2;
|
|
}
|
|
else if (ssDisplayBuffer[indexBuffer] == ' ')
|
|
{
|
|
//Turn off all 7 segments.
|
|
_overlaySevenSegmentLEDOutput(0, indexLED);
|
|
indexLED += ssLEDPerSegment * 7;
|
|
}
|
|
else
|
|
{
|
|
//Turn off correct segments.
|
|
_overlaySevenSegmentLEDOutput(_overlaySevenSegmentGetCharMask(ssDisplayBuffer[indexBuffer]), indexLED);
|
|
indexLED += ssLEDPerSegment * 7;
|
|
}
|
|
}
|
|
}
|
|
|
|
void _overlaySevenSegmentLEDOutput(char mask, int indexLED)
|
|
{
|
|
for (char index = 0; index < 7; index++)
|
|
{
|
|
if ((mask & (0x40 >> index)) != (0x40 >> index))
|
|
{
|
|
for (int numPerSeg = 0; numPerSeg < ssLEDPerSegment; numPerSeg++)
|
|
{
|
|
strip.setPixelColor(indexLED + numPerSeg, 0x000000);
|
|
}
|
|
}
|
|
indexLED += ssLEDPerSegment;
|
|
}
|
|
}
|
|
|
|
char _overlaySevenSegmentGetCharMask(char var)
|
|
{
|
|
if (var >= 0x30 && var <= 0x39)
|
|
{ /*If its a number, shift to index 0.*/
|
|
var -= 0x30;
|
|
}
|
|
else if (var >= 0x41 && var <= 0x5a)
|
|
{ /*If its an Upper case, shift to index 0xA.*/
|
|
var -= 0x37;
|
|
}
|
|
else if (var >= 0x61 && var <= 0x7A)
|
|
{ /*If its a lower case, shift to index 0xA.*/
|
|
var -= 0x57;
|
|
}
|
|
else
|
|
{ /* Else unsupported, return 0; */
|
|
return 0;
|
|
}
|
|
char mask = ssCharacterMask[static_cast<int>(var)];
|
|
/*
|
|
0 - EDCGFAB
|
|
1 - EDCBAFG
|
|
2 - GCDEFAB
|
|
3 - GBAFEDC
|
|
4 - FABGEDC
|
|
5 - FABCDEG
|
|
*/
|
|
switch (ssDisplayConfig)
|
|
{
|
|
case 1:
|
|
mask = _overlaySevenSegmentSwapBits(mask, 0, 3, 1);
|
|
mask = _overlaySevenSegmentSwapBits(mask, 1, 2, 1);
|
|
break;
|
|
case 2:
|
|
mask = _overlaySevenSegmentSwapBits(mask, 3, 6, 1);
|
|
mask = _overlaySevenSegmentSwapBits(mask, 4, 5, 1);
|
|
break;
|
|
case 3:
|
|
mask = _overlaySevenSegmentSwapBits(mask, 0, 4, 3);
|
|
mask = _overlaySevenSegmentSwapBits(mask, 3, 6, 1);
|
|
mask = _overlaySevenSegmentSwapBits(mask, 4, 5, 1);
|
|
break;
|
|
case 4:
|
|
mask = _overlaySevenSegmentSwapBits(mask, 0, 4, 3);
|
|
break;
|
|
case 5:
|
|
mask = _overlaySevenSegmentSwapBits(mask, 0, 4, 3);
|
|
mask = _overlaySevenSegmentSwapBits(mask, 0, 3, 1);
|
|
mask = _overlaySevenSegmentSwapBits(mask, 1, 2, 1);
|
|
break;
|
|
}
|
|
return mask;
|
|
}
|
|
|
|
char _overlaySevenSegmentSwapBits(char x, char p1, char p2, char n)
|
|
{
|
|
/* Move all bits of first set to rightmost side */
|
|
char set1 = (x >> p1) & ((1U << n) - 1);
|
|
|
|
/* Move all bits of second set to rightmost side */
|
|
char set2 = (x >> p2) & ((1U << n) - 1);
|
|
|
|
/* Xor the two sets */
|
|
char Xor = (set1 ^ set2);
|
|
|
|
/* Put the Xor bits back to their original positions */
|
|
Xor = (Xor << p1) | (Xor << p2);
|
|
|
|
/* Xor the 'Xor' with the original number so that the
|
|
two sets are swapped */
|
|
char result = x ^ Xor;
|
|
|
|
return result;
|
|
}
|
|
|
|
void _publishMQTTint_P(const char *subTopic, int value)
|
|
{
|
|
if(mqtt == NULL) return;
|
|
|
|
char buffer[64];
|
|
char valBuffer[12];
|
|
sprintf_P(buffer, PSTR("%s/%S/%S"), mqttDeviceTopic, _str_sevenSeg, subTopic);
|
|
sprintf_P(valBuffer, PSTR("%d"), value);
|
|
mqtt->publish(buffer, 2, true, valBuffer);
|
|
}
|
|
|
|
void _publishMQTTstr_P(const char *subTopic, String Value)
|
|
{
|
|
if(mqtt == NULL) return;
|
|
char buffer[64];
|
|
sprintf_P(buffer, PSTR("%s/%S/%S"), mqttDeviceTopic, _str_sevenSeg, subTopic);
|
|
mqtt->publish(buffer, 2, true, Value.c_str(), Value.length());
|
|
}
|
|
|
|
void _updateMQTT()
|
|
{
|
|
_publishMQTTint_P(_str_perSegment, ssLEDPerSegment);
|
|
_publishMQTTint_P(_str_perPeriod, ssLEDPerPeriod);
|
|
_publishMQTTint_P(_str_startIdx, ssStartLED);
|
|
_publishMQTTint_P(_str_displayCfg, ssDisplayConfig);
|
|
_publishMQTTint_P(_str_timeEnabled, ssTimeEnabled);
|
|
_publishMQTTint_P(_str_scrollSpd, ssScrollSpeed);
|
|
|
|
_publishMQTTstr_P(_str_displayMask, ssDisplayMask);
|
|
_publishMQTTstr_P(_str_displayMsg, ssDisplayMessage);
|
|
}
|
|
|
|
bool _cmpIntSetting_P(char *topic, char *payload, const char *setting, void *value)
|
|
{
|
|
if (strcmp_P(topic, setting) == 0)
|
|
{
|
|
*((int *)value) = strtol(payload, NULL, 10);
|
|
_publishMQTTint_P(setting, *((int *)value));
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool _handleSetting(char *topic, char *payload)
|
|
{
|
|
if (_cmpIntSetting_P(topic, payload, _str_perSegment, &ssLEDPerSegment))
|
|
return true;
|
|
if (_cmpIntSetting_P(topic, payload, _str_perPeriod, &ssLEDPerPeriod))
|
|
return true;
|
|
if (_cmpIntSetting_P(topic, payload, _str_startIdx, &ssStartLED))
|
|
return true;
|
|
if (_cmpIntSetting_P(topic, payload, _str_displayCfg, &ssDisplayConfig))
|
|
return true;
|
|
if (_cmpIntSetting_P(topic, payload, _str_timeEnabled, &ssTimeEnabled))
|
|
return true;
|
|
if (_cmpIntSetting_P(topic, payload, _str_scrollSpd, &ssScrollSpeed))
|
|
return true;
|
|
if (strcmp_P(topic, _str_displayMask) == 0)
|
|
{
|
|
ssDisplayMask = String(payload);
|
|
ssDisplayBuffer = ssDisplayMask;
|
|
_publishMQTTstr_P(_str_displayMask, ssDisplayMask);
|
|
return true;
|
|
}
|
|
if (strcmp_P(topic, _str_displayMsg) == 0)
|
|
{
|
|
setSevenSegmentMessage(String(payload));
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public:
|
|
void setSevenSegmentMessage(String message)
|
|
{
|
|
//If the message isn't blank display it otherwise show time, if enabled.
|
|
if (message.length() < 1 || message == "~")
|
|
ssDoDisplayTime = ssTimeEnabled;
|
|
else
|
|
ssDoDisplayTime = false;
|
|
|
|
//Determine is the message is longer than the display, if it is configure it to scroll the message.
|
|
if (message.length() > ssDisplayMask.length())
|
|
ssDisplayMessageIdx = -ssDisplayMask.length();
|
|
else
|
|
ssDisplayMessageIdx = 0;
|
|
|
|
//If the message isn't the same, update runtime/mqtt (most calls will be resetting message scroll)
|
|
if (!ssDisplayMessage.equals(message))
|
|
{
|
|
_publishMQTTstr_P(_str_displayMsg, message);
|
|
ssDisplayMessage = message;
|
|
}
|
|
}
|
|
//Functions called by WLED
|
|
|
|
/*
|
|
* setup() is called once at boot. WiFi is not yet connected at this point.
|
|
* You can use it to initialize variables, sensors or similar.
|
|
*/
|
|
void setup()
|
|
{
|
|
ssDisplayBuffer = ssDisplayMask;
|
|
}
|
|
|
|
/*
|
|
* loop() is called continuously. Here you can check for events, read sensors, etc.
|
|
*/
|
|
void loop()
|
|
{
|
|
if (millis() - lastRefresh > resfreshTime)
|
|
{
|
|
//In theory overlaySevenSegmentProcess should return the amount of time until it changes next.
|
|
//So we should be okay to trigger the stripi on every process loop.
|
|
resfreshTime = _overlaySevenSegmentProcess();
|
|
lastRefresh = millis();
|
|
strip.trigger();
|
|
}
|
|
}
|
|
|
|
void handleOverlayDraw()
|
|
{
|
|
_overlaySevenSegmentDraw();
|
|
}
|
|
|
|
void onMqttConnect(bool sessionPresent)
|
|
{
|
|
char subBuffer[48];
|
|
if (mqttDeviceTopic[0] != 0)
|
|
{
|
|
_updateMQTT();
|
|
//subscribe for sevenseg messages on the device topic
|
|
sprintf_P(subBuffer, PSTR("%s/%S/+/set"), mqttDeviceTopic, _str_sevenSeg);
|
|
mqtt->subscribe(subBuffer, 2);
|
|
}
|
|
|
|
if (mqttGroupTopic[0] != 0)
|
|
{
|
|
//subcribe for sevenseg messages on the group topic
|
|
sprintf_P(subBuffer, PSTR("%s/%S/+/set"), mqttGroupTopic, _str_sevenSeg);
|
|
mqtt->subscribe(subBuffer, 2);
|
|
}
|
|
}
|
|
|
|
bool onMqttMessage(char *topic, char *payload)
|
|
{
|
|
//If topic beings iwth sevenSeg cut it off, otherwise not our message.
|
|
size_t topicPrefixLen = strlen_P(PSTR("/sevenSeg/"));
|
|
if (strncmp_P(topic, PSTR("/sevenSeg/"), topicPrefixLen) == 0)
|
|
topic += topicPrefixLen;
|
|
else
|
|
return false;
|
|
//We only care if the topic ends with /set
|
|
size_t topicLen = strlen(topic);
|
|
if (topicLen > 4 &&
|
|
topic[topicLen - 4] == '/' &&
|
|
topic[topicLen - 3] == 's' &&
|
|
topic[topicLen - 2] == 'e' &&
|
|
topic[topicLen - 1] == 't')
|
|
{
|
|
//Trim /set and handle it
|
|
topic[topicLen - 4] = '\0';
|
|
_handleSetting(topic, payload);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void addToConfig(JsonObject &root)
|
|
{
|
|
JsonObject top = root[FPSTR(_str_sevenSeg)];
|
|
if (top.isNull())
|
|
{
|
|
top = root.createNestedObject(FPSTR(_str_sevenSeg));
|
|
}
|
|
top[FPSTR(_str_perSegment)] = ssLEDPerSegment;
|
|
top[FPSTR(_str_perPeriod)] = ssLEDPerPeriod;
|
|
top[FPSTR(_str_startIdx)] = ssStartLED;
|
|
top[FPSTR(_str_displayMask)] = ssDisplayMask;
|
|
top[FPSTR(_str_displayCfg)] = ssDisplayConfig;
|
|
top[FPSTR(_str_displayMsg)] = ssDisplayMessage;
|
|
top[FPSTR(_str_timeEnabled)] = ssTimeEnabled;
|
|
top[FPSTR(_str_scrollSpd)] = ssScrollSpeed;
|
|
}
|
|
|
|
bool readFromConfig(JsonObject &root)
|
|
{
|
|
JsonObject top = root[FPSTR(_str_sevenSeg)];
|
|
|
|
bool configComplete = !top.isNull();
|
|
|
|
//if sevenseg section doesn't exist return
|
|
if (!configComplete)
|
|
return configComplete;
|
|
|
|
configComplete &= getJsonValue(top[FPSTR(_str_perSegment)], ssLEDPerSegment);
|
|
configComplete &= getJsonValue(top[FPSTR(_str_perPeriod)], ssLEDPerPeriod);
|
|
configComplete &= getJsonValue(top[FPSTR(_str_startIdx)], ssStartLED);
|
|
configComplete &= getJsonValue(top[FPSTR(_str_displayMask)], ssDisplayMask);
|
|
configComplete &= getJsonValue(top[FPSTR(_str_displayCfg)], ssDisplayConfig);
|
|
|
|
String newDisplayMessage;
|
|
configComplete &= getJsonValue(top[FPSTR(_str_displayMsg)], newDisplayMessage);
|
|
setSevenSegmentMessage(newDisplayMessage);
|
|
|
|
configComplete &= getJsonValue(top[FPSTR(_str_timeEnabled)], ssTimeEnabled);
|
|
configComplete &= getJsonValue(top[FPSTR(_str_scrollSpd)], ssScrollSpeed);
|
|
return configComplete;
|
|
}
|
|
|
|
/*
|
|
* getId() allows you to optionally give your V2 usermod an unique ID (please define it in const.h!).
|
|
* This could be used in the future for the system to determine whether your usermod is installed.
|
|
*/
|
|
uint16_t getId()
|
|
{
|
|
return USERMOD_ID_SEVEN_SEGMENT_DISPLAY;
|
|
}
|
|
};
|
|
|
|
const char SevenSegmentDisplay::_str_perSegment[] PROGMEM = "perSegment";
|
|
const char SevenSegmentDisplay::_str_perPeriod[] PROGMEM = "perPeriod";
|
|
const char SevenSegmentDisplay::_str_startIdx[] PROGMEM = "startIdx";
|
|
const char SevenSegmentDisplay::_str_displayCfg[] PROGMEM = "displayCfg";
|
|
const char SevenSegmentDisplay::_str_timeEnabled[] PROGMEM = "timeEnabled";
|
|
const char SevenSegmentDisplay::_str_scrollSpd[] PROGMEM = "scrollSpd";
|
|
const char SevenSegmentDisplay::_str_displayMask[] PROGMEM = "displayMask";
|
|
const char SevenSegmentDisplay::_str_displayMsg[] PROGMEM = "displayMsg";
|
|
const char SevenSegmentDisplay::_str_sevenSeg[] PROGMEM = "sevenSeg"; |