void PiLink::receive(void){
if (Serial.available() > 0){
char inByte = Serial.read();
switch(inByte){
case 't': // temperatures requested
printTemperatures();
break;
case 'C': // Set default constants
tempControl.loadDefaultConstants();
display.printStationaryText(); // reprint stationary text to update to right degree unit
sendControlConstants(); // update script with new settings
debugMessage(PSTR("Default constants loaded."));
break;
case 'S': // Set default settings
tempControl.loadDefaultSettings();
sendControlSettings(); // update script with new settings
debugMessage(PSTR("Default settings loaded."));
break;
case 's': // Control settings requested
sendControlSettings();
break;
case 'c': // Control constants requested
sendControlConstants();
break;
case 'v': // Control variables requested
sendControlVariables();
break;
case 'l': // Display content requested
print_P(PSTR("L:"));
char stringBuffer[21];
for(uint8_t i=0;i<4;i++){
display.lcd.getLine(i, stringBuffer);
print_P(PSTR("%s<BR>"), stringBuffer);
}
print_P(PSTR("\n"));
break;
case 'j': // Receive settings as json
receiveJson();
break;
default:
debugMessage(PSTR("Invalid command Received by Arduino: %c"), inByte);
}
//Serial.flush(); Messages can be back to back. Flush should not be necessary.
// Functions should not read more than what is meant for that function.
}
}
void PiLink::receiveJson(void){
parseJson(&processJsonPair, NULL);
#if !BREWPI_SIMULATE // this is quite an overhead and not needed for the simulator
sendControlSettings(); // update script with new settings
sendControlConstants();
#endif
return;
}
void PiLink::receive(void){
while (piStream.available() > 0) {
char inByte = piStream.read();
switch(inByte){
case ' ':
case '\n':
case '\r':
break;
#if BREWPI_SIMULATE==1
case 'y':
parseJson(HandleSimulatorConfig);
break;
case 'Y':
printSimulatorSettings();
break;
#endif
case 'A': // alarm on
soundAlarm(true);
break;
case 'a': // alarm off
soundAlarm(false);
break;
case 't': // temperatures requested
printTemperatures();
break;
case 'C': // Set default constants
tempControl.loadDefaultConstants();
display.printStationaryText(); // reprint stationary text to update to right degree unit
sendControlConstants(); // update script with new settings
logInfo(INFO_DEFAULT_CONSTANTS_LOADED);
break;
case 'S': // Set default settings
tempControl.loadDefaultSettings();
sendControlSettings(); // update script with new settings
logInfo(INFO_DEFAULT_SETTINGS_LOADED);
break;
case 's': // Control settings requested
sendControlSettings();
break;
case 'c': // Control constants requested
sendControlConstants();
break;
case 'v': // Control variables requested, send Control Object as json
sendControlVariables();
break;
case 'n':
// v version
// s shield type
// y: simulator
// b: board
print_P(PSTR( "N:{"
"\"v\":\"" PRINTF_PROGMEM "\","
"\"n\":\"" PRINTF_PROGMEM "\","
"\"s\":%d,"
"\"y\":%d,"
"\"b\":\"%c\","
"\"l\":\"%d\""
"}"),
PSTR(VERSION_STRING), // v:
PSTR(stringify(BUILD_NAME)), // n:
getShieldVersion(), // s:
BREWPI_SIMULATE, // y:
BREWPI_BOARD, // b:
BREWPI_LOG_MESSAGES_VERSION); // l:
printNewLine();
break;
case 'l': // Display content requested
printResponse('L');
piStream.print('[');
char stringBuffer[21];
for(uint8_t i=0;i<4;i++){
display.getLine(i, stringBuffer);
print_P(PSTR("\"%s\""), stringBuffer);
char close = (i<3) ? ',':']';
piStream.print(close);
}
printNewLine();
break;
case 'j': // Receive settings as json
receiveJson();
break;
#if BREWPI_EEPROM_HELPER_COMMANDS
case 'e': // dump contents of eeprom
openListResponse('E');
for (uint16_t i=0; i<1024;) {
if (i>0) {
piLink.printNewLine();
piLink.print(',');
}
piLink.print('\"');
for (uint8_t j=0; j<64; j++) {
uint8_t d = eepromAccess.readByte(i++);
printNibble(d>>4);
printNibble(d);
}
piLink.print('\"');
}
closeListResponse();
break;
#endif
case 'E': // initialize eeprom
eepromManager.initializeEeprom();
logInfo(INFO_EEPROM_INITIALIZED);
settingsManager.loadSettings();
break;
case 'd': // list devices in eeprom order
openListResponse('d');
deviceManager.listDevices(piStream);
closeListResponse();
break;
case 'U': // update device
deviceManager.parseDeviceDefinition(piStream);
break;
case 'h': // hardware query
openListResponse('h');
deviceManager.enumerateHardwareToStream(piStream);
closeListResponse();
break;
#if (BREWPI_DEBUG > 0)
case 'Z': // zap eeprom
eepromManager.zapEeprom();
logInfo(INFO_EEPROM_ZAPPED);
break;
#endif
case 'R': // reset
handleReset();
break;
case 'F': // flash firmware
flashFirmware();
break;
default:
logWarningInt(WARNING_INVALID_COMMAND, inByte);
}
}
}
void PiLink::receiveJson(void){
char key[30];
char val[30];
uint8_t index=0;
char character=0;
delay(1);
while(Serial.available() > 0){ // outer while loop can process multiple pairs
index=0;
while(Serial.available() > 0) // get key
{
delay(1);
character = Serial.read();
if(character == ':'){
// value comes now
break;
}
else if(character == ' ' || character == '{' || character == '"'){
;
}
else{
key[index++] = character;
}
if(index>=29)
{
return; // value was too long, don't process anything
}
}
key[index]=0; // null terminate string
index = 0;
while(Serial.available() > 0) // get value
{
delay(1);
character = Serial.read();
if(character == ',' || character == '}'){
// end of value
break;
}
else if(character == ' ' || character == '"'){
; // skip spaces and apostrophes
}
else{
val[index++] = character;
}
if(index>=29)
{
return; // value was too long, don't process anything
}
}
val[index]=0; // null terminate string
processJsonPair(key,val);
if(character == '}'){
// this was the last pair.
tempControl.storeSettings(); // store new settings to EEPROM
tempControl.storeConstants();
sendControlSettings(); // update script with new settings
sendControlConstants();
return;
}
}
}
