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Fix SR04 serial receive 

Fix SR04 serial receive (#16613)
This commit is contained in:
Theo Arends 2022-09-26 14:06:28 +02:00
parent e3c77331c6
commit 67d725d7cf
1 changed files with 6 additions and 3 deletions
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9
tasmota/tasmota_xsns_sensor/xsns_22_sr04.ino
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@ -115,7 +115,7 @@ void Sr04TModeDetect(void) {
if (!PinUsed(GPIO_SR04_ECHO)) { return; } if (!PinUsed(GPIO_SR04_ECHO)) { return; }
int sr04_echo_pin = Pin(GPIO_SR04_ECHO); int sr04_echo_pin = Pin(GPIO_SR04_ECHO);
int sr04_trig_pin = (PinUsed(GPIO_SR04_TRIG)) ? Pin(GPIO_SR04_TRIG) : Pin(GPIO_SR04_ECHO); // if GPIO_SR04_TRIG is not configured use single PIN mode with GPIO_SR04_ECHO only int sr04_trig_pin = Pin(GPIO_SR04_TRIG); // if GPIO_SR04_TRIG is not configured use single PIN mode with GPIO_SR04_TRIG as -1
sonar_serial = new TasmotaSerial(sr04_echo_pin, sr04_trig_pin, 1); sonar_serial = new TasmotaSerial(sr04_echo_pin, sr04_trig_pin, 1);
if (sonar_serial && sonar_serial->begin(9600)) { if (sonar_serial && sonar_serial->begin(9600)) {
@ -135,14 +135,17 @@ void Sr04TModeDetect(void) {
delete sonar_serial; delete sonar_serial;
sonar_serial = nullptr; sonar_serial = nullptr;
} }
sr04_trig_pin = (PinUsed(GPIO_SR04_TRIG)) ? Pin(GPIO_SR04_TRIG) : Pin(GPIO_SR04_ECHO); // if GPIO_SR04_TRIG is not configured use single PIN mode with GPIO_SR04_ECHO only
sonar = new NewPing(sr04_trig_pin, sr04_echo_pin, SR04_MAX_SENSOR_DISTANCE); sonar = new NewPing(sr04_trig_pin, sr04_echo_pin, SR04_MAX_SENSOR_DISTANCE);
delay(100); // give time to inizialise, preventing ping_median fails delay(100); // give time to inizialise, preventing ping_median fails
if (!sonar || !sonar->ping_median(5)) { if (!sonar || !sonar->ping_median(5)) {
SR04.type = SR04_MODE_NONE; SR04.type = SR04_MODE_NONE;
} }
} else { } else {
if (sonar_serial->hardwareSerial()) { if (sonar_serial) {
ClaimSerial(); if (sonar_serial->hardwareSerial()) {
ClaimSerial();
}
} }
} }