Refactor string usage

This commit is contained in:
Gregory Schmidt 2021-10-10 16:26:14 -08:00
parent 6cd770b4c7
commit d47157eec3

View File

@ -11,7 +11,6 @@ private:
//Runtime variables. //Runtime variables.
unsigned long lastRefresh = 0; unsigned long lastRefresh = 0;
unsigned long lastCharacterStep = 0; unsigned long lastCharacterStep = 0;
//char ssDisplayBuffer[WLED_SS_BUFFLEN+1]; //Runtime buffer of what should be displayed.
String ssDisplayBuffer = ""; 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}; 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. int ssDisplayMessageIdx = 0; //Position of the start of the message to be physically displayed.
@ -30,8 +29,7 @@ private:
// : for a colon // : for a colon
// All others for alpha numeric, (will be blank when displaying time) // All others for alpha numeric, (will be blank when displaying time)
*/ */
//char ssDisplayMask[WLED_SS_BUFFLEN+1] = "HHMMSS"; //Physical Display Mask, this should reflect physical equipment. String ssDisplayMask = "HHMMSS"; //Physical Display Mask, this should reflect physical equipment.
String ssDisplayMask = "HHMMSS";
/* ssDisplayConfig /* ssDisplayConfig
// ------- // -------
// / A / 0 - EDCGFAB // / A / 0 - EDCGFAB
@ -47,7 +45,21 @@ private:
int ssDisplayConfig = 5; //Physical configuration of the Seven segment display int ssDisplayConfig = 5; //Physical configuration of the Seven segment display
String ssDisplayMessage = "testing123"; String ssDisplayMessage = "testing123";
bool ssTimeEnabled = true; //If not, display message. bool ssTimeEnabled = true; //If not, display message.
unsigned long ssScrollSpeed = 1000; //Time between advancement of extended message scrolling, in milliseconds. 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() unsigned long _overlaySevenSegmentProcess()
{ {
@ -134,7 +146,7 @@ private:
{ {
//Start pixels at ssStartLED, Use ssLEDPerSegment, ssLEDPerPeriod, ssDisplayBuffer //Start pixels at ssStartLED, Use ssLEDPerSegment, ssLEDPerPeriod, ssDisplayBuffer
int indexLED = 0; int indexLED = ssStartLED;
int displayMaskLen = static_cast<int>(ssDisplayMask.length()); int displayMaskLen = static_cast<int>(ssDisplayMask.length());
for (int indexBuffer = 0; indexBuffer < displayMaskLen; indexBuffer++) for (int indexBuffer = 0; indexBuffer < displayMaskLen; indexBuffer++)
{ {
@ -174,7 +186,7 @@ private:
{ {
for (int numPerSeg = 0; numPerSeg < ssLEDPerSegment; numPerSeg++) for (int numPerSeg = 0; numPerSeg < ssLEDPerSegment; numPerSeg++)
{ {
strip.setPixelColor(indexLED, 0x000000); strip.setPixelColor(indexLED+numPerSeg, 0x000000);
} }
} }
indexLED += ssLEDPerSegment; indexLED += ssLEDPerSegment;
@ -183,13 +195,22 @@ private:
char _overlaySevenSegmentGetCharMask(char var) char _overlaySevenSegmentGetCharMask(char var)
{ {
//ssCharacterMask if (var >= 0x30 && var <= 0x39)
if (var > 0x60) //Essentially a "toLower" call. { /*If its a number, shift to index 0.*/
var -= 0x20; var -= 0x30;
if (var > 0x39) //Meaning it is a non-numeric }
var -= 0x07; else if (var >= 0x41 && var <= 0x5a)
var -= 0x30; //Shift ascii down to start numeric 0 at index 0. { /*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)]; char mask = ssCharacterMask[static_cast<int>(var)];
/* /*
0 - EDCGFAB 0 - EDCGFAB
@ -246,84 +267,70 @@ private:
return result; return result;
} }
void _publishMQTTint(const char* subTopic, int value)
void _publishMQTTint_P(const char* subTopic, int value)
{ {
char buffer[64]; char buffer[64];
char valBuffer[12]; char valBuffer[12];
sprintf_P(buffer, PSTR("%s/sevenSeg/%s"), mqttDeviceTopic, subTopic); sprintf_P(buffer, PSTR("%s/sevenSeg/%S"), mqttDeviceTopic, subTopic);
Serial.println(buffer);
sprintf_P(valBuffer, PSTR("%d"), value); sprintf_P(valBuffer, PSTR("%d"), value);
mqtt->publish(buffer, 2, true, valBuffer); mqtt->publish(buffer, 2, true, valBuffer);
} }
void _publishMQTTstr(const char* subTopic, String Value) void _publishMQTTstr_P(const char* subTopic, String Value)
{ {
char buffer[64]; char buffer[64];
sprintf_P(buffer, PSTR("%s/sevenSeg/%s"), mqttDeviceTopic, subTopic); sprintf_P(buffer, PSTR("%s/sevenSeg/%S"), mqttDeviceTopic, subTopic);
mqtt->publish(buffer, 2, true, Value.c_str(), Value.length()); mqtt->publish(buffer, 2, true, Value.c_str(), Value.length());
} }
void _updateMQTT() void _updateMQTT()
{ {
_publishMQTTint(PSTR("perSegment"), ssLEDPerSegment); _publishMQTTint_P(_str_perSegment, ssLEDPerSegment);
_publishMQTTint(PSTR("perPeriod"), ssLEDPerPeriod); _publishMQTTint_P(_str_perPeriod, ssLEDPerPeriod);
_publishMQTTint(PSTR("startIdx"), ssStartLED); _publishMQTTint_P(_str_startIdx, ssStartLED);
_publishMQTTint(PSTR("displayCfg"), ssDisplayConfig); _publishMQTTint_P(_str_displayCfg, ssDisplayConfig);
_publishMQTTint(PSTR("timeEnable"), ssTimeEnabled); _publishMQTTint_P(_str_timeEnabled, ssTimeEnabled);
_publishMQTTint(PSTR("scrollSpd"), ssScrollSpeed); _publishMQTTint_P(_str_scrollSpd, ssScrollSpeed);
_publishMQTTstr(PSTR("displayMask"), ssDisplayMask); _publishMQTTstr_P(_str_displayMask, ssDisplayMask);
_publishMQTTstr(PSTR("displayMsg"), ssDisplayMessage); _publishMQTTstr_P(_str_displayMsg, ssDisplayMessage);
} }
bool _cmpIntSetting_P(char* topic, char* payload, const char* setting, void* value){
void _handleMQTT(char *topic, char *payload) 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(strcmp_P(topic, PSTR("perSegment"))==0) if (_cmpIntSetting_P(topic, payload, _str_perSegment, &ssLEDPerSegment))
{ return true;
ssLEDPerSegment = strtol(payload, NULL, 10); if (_cmpIntSetting_P(topic, payload, _str_perPeriod, &ssLEDPerPeriod))
_publishMQTTint(topic, ssLEDPerSegment); return true;
return; if (_cmpIntSetting_P(topic, payload, _str_startIdx, &ssStartLED))
} return true;
if(strcmp_P(topic, PSTR("perPeriod"))==0) if (_cmpIntSetting_P(topic, payload, _str_displayCfg, &ssDisplayConfig))
{ return true;
ssLEDPerPeriod = strtol(payload, NULL, 10); if (_cmpIntSetting_P(topic, payload, _str_timeEnabled, &ssTimeEnabled))
_publishMQTTint(topic, ssLEDPerPeriod); return true;
return; if (_cmpIntSetting_P(topic, payload, _str_scrollSpd, &ssScrollSpeed))
} return true;
if(strcmp_P(topic, PSTR("startIdx"))==0) if(strcmp_P(topic, _str_displayMask)==0)
{
ssStartLED = strtol(payload, NULL, 10);
_publishMQTTint(topic, ssStartLED);
return;
}
if(strcmp_P(topic, PSTR("displayCfg"))==0)
{
ssDisplayConfig = strtol(payload, NULL, 10);
_publishMQTTint(topic, ssDisplayConfig);
return;
}
if(strcmp_P(topic, PSTR("timeEnable"))==0)
{
ssTimeEnabled = strtol(payload, NULL, 10);
ssDoDisplayTime = ssTimeEnabled;
_publishMQTTint(topic, ssTimeEnabled);
return;
}
if(strcmp_P(topic, PSTR("scrollSpd"))==0)
{
ssScrollSpeed = strtol(payload, NULL, 10);
_publishMQTTint(topic, ssScrollSpeed);
return;
}
if(strcmp_P(topic, PSTR("displayMask"))==0)
{ {
ssDisplayMask = String(payload); ssDisplayMask = String(payload);
ssDisplayBuffer = ssDisplayMask; ssDisplayBuffer = ssDisplayMask;
_publishMQTTstr(topic, ssDisplayMask); _publishMQTTstr_P(_str_displayMask, ssDisplayMask);
return; return true;
} }
if(strcmp_P(topic, PSTR("displayMsg"))==0) if(strcmp_P(topic, _str_displayMsg)==0)
{ {
setSevenSegmentMessage(String(payload)); setSevenSegmentMessage(String(payload));
return; return true;
} }
return false;
} }
public: public:
@ -344,7 +351,7 @@ public:
//If the message isn't the same, update runtime/mqtt (most calls will be resetting message scroll) //If the message isn't the same, update runtime/mqtt (most calls will be resetting message scroll)
if(!ssDisplayMessage.equals(message)) if(!ssDisplayMessage.equals(message))
{ {
_publishMQTTstr(PSTR("displayMsg"), message); _publishMQTTstr_P(_str_displayMsg, message);
ssDisplayMessage = message; ssDisplayMessage = message;
} }
} }
@ -416,7 +423,7 @@ public:
{ {
//Trim /set and handle it //Trim /set and handle it
topic[topicLen - 4] = '\0'; topic[topicLen - 4] = '\0';
_handleMQTT(topic, payload); _handleSetting(topic, payload);
} }
return true; return true;
@ -424,41 +431,41 @@ public:
void addToConfig(JsonObject& root) void addToConfig(JsonObject& root)
{ {
JsonObject top = root[FPSTR("sevenseg")]; JsonObject top = root[FPSTR(_str_sevenSeg)];
if (top.isNull()) { if (top.isNull()) {
top = root.createNestedObject(FPSTR("sevenseg")); top = root.createNestedObject(FPSTR(_str_sevenSeg));
} }
top[FPSTR("perSegment")] = ssLEDPerSegment; top[FPSTR(_str_perSegment)] = ssLEDPerSegment;
top[FPSTR("perPeriod")] = ssLEDPerPeriod; top[FPSTR(_str_perPeriod)] = ssLEDPerPeriod;
top[FPSTR("startIdx")] = ssStartLED; top[FPSTR(_str_startIdx)] = ssStartLED;
top[FPSTR("displayMask")] = ssDisplayMask; top[FPSTR(_str_displayMask)] = ssDisplayMask;
top[FPSTR("displayCfg")] = ssDisplayConfig; top[FPSTR(_str_displayCfg)] = ssDisplayConfig;
top[FPSTR("displayMsg")] = ssDisplayMessage; top[FPSTR(_str_displayMsg)] = ssDisplayMessage;
top[FPSTR("timeEnable")] = ssTimeEnabled; top[FPSTR(_str_timeEnabled)] = ssTimeEnabled;
top[FPSTR("scrollSpd")] = ssScrollSpeed; top[FPSTR(_str_scrollSpd)] = ssScrollSpeed;
} }
bool readFromConfig(JsonObject& root) bool readFromConfig(JsonObject& root)
{ {
JsonObject top = root[FPSTR("sevenseg")]; JsonObject top = root[FPSTR(_str_sevenSeg)];
bool configComplete = !top.isNull(); bool configComplete = !top.isNull();
//if sevenseg section doesn't exist return //if sevenseg section doesn't exist return
if(!configComplete) return configComplete; if(!configComplete) return configComplete;
configComplete &= getJsonValue(top[FPSTR("perSegment")], ssLEDPerSegment); configComplete &= getJsonValue(top[FPSTR(_str_perSegment)], ssLEDPerSegment);
configComplete &= getJsonValue(top[FPSTR("perPeriod")], ssLEDPerPeriod); configComplete &= getJsonValue(top[FPSTR(_str_perPeriod)], ssLEDPerPeriod);
configComplete &= getJsonValue(top[FPSTR("startIdx")], ssStartLED); configComplete &= getJsonValue(top[FPSTR(_str_startIdx)], ssStartLED);
configComplete &= getJsonValue(top[FPSTR("displayMask")], ssDisplayMask); configComplete &= getJsonValue(top[FPSTR(_str_displayMask)], ssDisplayMask);
configComplete &= getJsonValue(top[FPSTR("displayCfg")], ssDisplayConfig); configComplete &= getJsonValue(top[FPSTR(_str_displayCfg)], ssDisplayConfig);
String newDisplayMessage; String newDisplayMessage;
configComplete &= getJsonValue(top[FPSTR("displayMsg")], newDisplayMessage); configComplete &= getJsonValue(top[FPSTR(_str_displayMsg)], newDisplayMessage);
setSevenSegmentMessage(newDisplayMessage); setSevenSegmentMessage(newDisplayMessage);
configComplete &= getJsonValue(top[FPSTR("timeEnable")], ssTimeEnabled); configComplete &= getJsonValue(top[FPSTR(_str_timeEnabled)], ssTimeEnabled);
configComplete &= getJsonValue(top[FPSTR("scrollSpd")], ssScrollSpeed); configComplete &= getJsonValue(top[FPSTR(_str_scrollSpd)], ssScrollSpeed);
return configComplete; return configComplete;
} }
@ -471,4 +478,14 @@ public:
{ {
return USERMOD_ID_SEVEN_SEGMENT_DISPLAY; 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";