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spurious IRQ workaround. probably related to ESP32 errata 3.14 https://www.espressif.com/sites/default/files/documentation/eco_and_workarounds_for_bugs_in_esp32_en.pdf

pull/207/head
Hansi, dl9rdz 2021-09-26 20:09:57 +02:00
rodzic 438be9aa8a
commit 224aa2fac9
1 zmienionych plików z 5 dodań i 1 usunięć
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6
RX_FSK/RX_FSK.ino
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@ -1896,8 +1896,10 @@ void checkTouchStatus() {
}
unsigned long bdd1, bdd2;
static bool b1wasdown = false;
void IRAM_ATTR buttonISR() {
if (digitalRead(button1.pin) == 0) { // Button down
b1wasdown = true;
unsigned long now = my_millis();
if (now - button1.keydownTime < 500) {
// Double press
@ -1910,6 +1912,8 @@ void IRAM_ATTR buttonISR() {
button1.numberKeyPresses += 1;
button1.keydownTime = now;
} else { //Button up
if(!b1wasdown) return;
b1wasdown = false;
unsigned long now = my_millis();
if (button1.doublepress == -1) return; // key was never pressed before, ignore button up
unsigned int elapsed = now - button1.keydownTime;
@ -1967,7 +1971,7 @@ int getKeyPress() {
button1.pressed = KP_NONE;
#if 0
int x = digitalRead(button1.pin);
Serial.printf("Debug: bdd1=%ld, bdd2=%ld\b", bdd1, bdd2);
Serial.printf("Debug: bdd1=%ld, bdd2=%ld\n", bdd1, bdd2);
Serial.printf("button1 press (dbl:%d) (now:%d): %d at %ld (%d)\n", button1.doublepress, x, p, button1.keydownTime, button1.numberKeyPresses);
#endif
return p;