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xnode/lib/xnode-shared/XnodeSerial.cpp
2022-11-13 01:46:38 +01:00

105 lines
2.3 KiB
C++

#include <XnodeSerial.h>
char cmd_buff[CMD_BUFF_SIZE];
volatile uint8_t cmd_process = ONE;
volatile uint8_t cmd_buff_idx = ZERO;
XnodeSerial XSerial;
void XnodeSerial::begin() {
Serial.begin(SERIAL_SPEED);
print(CHAR_NEWLINE);
}
void XnodeSerial::loop() {
if (cmd_process == ZERO) {
executeCommand(cmd_buff);
cmd_process = ONE;
}
while (Serial.available() > ZERO) {
processSerialByte(Serial.read());
}
}
// Parse the cmd from a buffer
void XnodeSerial::executeCommand(char* buff,bool echoBuff,bool echoPromt) {
#ifdef DEBUG_SERIAL
Serial.print(F("#D XSerial.processCommand buff="));
Serial.print(buff);
Serial.print(F(",echoBuff="));
Serial.print(echoBuff);
Serial.print(F(",echoPromt="));
Serial.print(echoPromt);
Serial.println();
#endif
if (echoBuff) {
printChar(buff);
print(CHAR_NEWLINE);
}
if (buff[ZERO] > ZERO) {
XSystem.executeCommand(buff); // exe cmd
printChar(XSystem.replyBuffer); // print result or error
}
if (echoPromt) {
printPromt();
}
}
void XnodeSerial::processSerialByte(uint8_t c) {
if (c < 0x07 || c > 0x7E) {
return; // only process ascii chars
}
if (cmd_process == ZERO) {
return; // skip serial data
}
if (cmd_buff_idx > CMD_BUFF_SIZE) {
cmd_buff_idx = ZERO; // protect against to long input
}
if (c == '\b') {
cmd_buff[cmd_buff_idx] = '\0'; // backspace
cmd_buff_idx--;
print(' ');
print(c); // reply the backspace char for console like experience
} else if (c == '\n') {
cmd_buff[cmd_buff_idx] = '\0'; // newline
cmd_buff_idx = ZERO;
cmd_process = ZERO; // Start processing line
} else {
cmd_buff[cmd_buff_idx] = c; // store in buffer
cmd_buff_idx++;
}
}
void XnodeSerial::executeCommandP(const char* cmd) {
strcpy(cmd_buff, XUtil.UNPSTR(cmd)); // free buffer as gets used in strcmpP again..
cmd_buff_idx = ZERO;
executeCommand(cmd_buff,false,false);
}
void XnodeSerial::printPromt() {
printCharP(XSystem.hardware->getSystemHardwareTypeP());
print(CHAR_PROMT);
print(CHAR_SPACE);
}
void XnodeSerial::printCommentLineP(const char* argu) {
print(CHAR_COMMENT);
print(CHAR_SPACE);
printCharP(argu);
print(CHAR_NEWLINE);
}
void XnodeSerial::printCharP(const char* argu) {
printChar(XUtil.UNPSTR(argu));
}
void XnodeSerial::printChar(char* dstring) {
while (*dstring != ZERO) {
print(*dstring);
dstring++;
}
}
void XnodeSerial::print(char value) {
Serial.print(value);
}