zimodem/include/zprint.h

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C
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2023-10-04 01:20:30 +00:00
/*
Copyright 2020-2020 Bo Zimmerman
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
enum PrintPayloadType
{
PETSCII,
ASCII,
RAW
};
static unsigned int DEFAULT_DELAY_MS = 5000;
class ZPrint : public ZMode
{
private:
WiFiClientNode *wifiSock = null;
File tfile;
Stream *outStream = null;
unsigned int timeoutDelayMs = DEFAULT_DELAY_MS;
char *lastPrinterSpec = 0;
unsigned long currentExpiresTimeMs = 0;
unsigned long nextFlushMs = 0;
PrintPayloadType payloadType = PETSCII;
unsigned long lastNonPlusTimeMs = 0;
int plussesInARow=0;
size_t pdex=0;
size_t coldex=0;
char pbuf[258];
ZSerial serial;
char lastLastC = 0;
char lastC = 0;
short jobNum = 0;
size_t writeStr(char *s);
size_t writeChunk(char *s, int len);
void switchBackToCommandMode(bool error);
ZResult finishSwitchTo(char *hostIp, char *req, int port, bool doSSL);
void announcePrintJob(const char *hostIp, const int port, const char *req);
public:
ZResult switchTo(char *vbuf, int vlen, bool petscii);
ZResult switchToPostScript(char *prefix);
void setLastPrinterSpec(const char *spec);
bool testPrinterSpec(const char *vbuf, int vlen, bool petscii);
char *getLastPrinterSpec();
void setTimeoutDelayMs(int ms);
int getTimeoutDelayMs();
void serialIncoming();
void loop();
};