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minor morse updates

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This commit is contained in:
Morgan Redfield
2019-05-11 15:32:13 -07:00
parent 12fd074aed
commit 7e509ca0fc
2 changed files with 34 additions and 11 deletions
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20
examples/Morse/Morse.ino
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@@ -20,13 +20,13 @@
#define SWITCH_PIN 2
#define MORSE_FREQ 600
#define MORSE_DOT 100 // ms
#define MORSE_DOT 150 // ms
// Note that all timing is defined in terms of MORSE_DOT relative durations
// You may want to tweak those timings below
#define SYMBOL_END_TIME 5 //millis
#define CHAR_END_TIME (MORSE_DOT*2.3)
#define MESSAGE_END_TIME (MORSE_DOT*15)
#define CHAR_END_TIME (MORSE_DOT*2.7)
#define MESSAGE_END_TIME (MORSE_DOT*8)
#define MIN_DOT_TIME (MORSE_DOT*0.7)
#define MAX_DOT_TIME (MORSE_DOT*1.3)
@@ -41,6 +41,7 @@ uint32_t tone_in_progress; // track how long the current tone lasts
uint32_t space_in_progress; // track how long since the last tone
uint8_t rx_morse_char;
uint8_t rx_morse_bit;
bool bits_to_process;
char rx_msg[128];
uint8_t rx_idx;
@@ -92,6 +93,9 @@ void setup() {
rx_morse_char = 0; // haven't found any tones yet
rx_idx = 0;
rx_morse_bit = 1;
bits_to_process = false;
radio.bypassPreDeEmph();
}
void loop() {
@@ -101,6 +105,7 @@ void loop() {
if (tone_in_progress == 0) {
// start a new tone
tone_in_progress = millis();
//Serial.print('t');
}
} else {
// keep track of how long the silence is
@@ -119,8 +124,9 @@ void loop() {
}
// we might be done with a character if the space is long enough
if ((millis() - space_in_progress) > CHAR_END_TIME) {
if (((millis() - space_in_progress) > CHAR_END_TIME) && bits_to_process) {
char m = parseMorse();
bits_to_process = false;
if (m != 0) {
rx_msg[rx_idx++] = m;
}
@@ -162,6 +168,7 @@ void loop() {
// We're done sending the message, set the radio back into recieve mode.
radio.setModeReceive();
radio.lookForTone(MORSE_FREQ);
Serial.println("sent");
} else {
// If we get here, the channel is busy. Let's also print out the RSSI.
@@ -176,10 +183,12 @@ void handleTone(uint16_t tone_time) {
if (tone_time > MIN_DOT_TIME && tone_time < MAX_DOT_TIME) {
// add a dot
//Serial.print(".");
bits_to_process = true;
//nothing to do for this bit position, since . = 0
} else if (tone_time > MIN_DASH_TIME && tone_time < MAX_DASH_TIME) {
// add a dash
//Serial.print("-");
bits_to_process = true;
rx_morse_char += rx_morse_bit;
}
@@ -199,5 +208,4 @@ char parseMorse() {
rx_morse_char = 0;
rx_morse_bit = 1;
return c;
}
}