37 lines
716 B
C++
37 lines
716 B
C++
#define COMMAND_QUERY '?'
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#define COMMAND_TRANSMIT 'U'
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#define COMMAND_QUERY_PAYLOAD "107\r M764 rev 764100"
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#define DATA_MODE_TIMEOUT_MS 1000
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#include <Arduino.h>
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namespace NotebookAdapter {
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unsigned long last_data_ms = 0;
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bool command_mode = true;
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void emulate(uint8_t serial_byte) {
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if (millis() - last_data_ms > DATA_MODE_TIMEOUT_MS) {
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command_mode = true;
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}
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Serial.write(serial_byte);
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switch(serial_byte) {
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case COMMAND_QUERY:
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if (command_mode) {
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Serial.print(COMMAND_QUERY_PAYLOAD);
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Serial.write(0);
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}
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break;
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case COMMAND_TRANSMIT:
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command_mode = true;
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break;
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}
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last_data_ms = millis();
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}
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}
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