+configurable batt adc, revert screens1.txt

RX_FSK/RX_FSK.ino

@@ -632,6 +632,7 @@ struct st_configitems config_list[] = {
   {"led_pout", "LED output port", 0, &sonde.config.led_pout},
   {"gps_rxd", "GPS RXD pin (-1 to disable)", 0, &sonde.config.gps_rxd},
   {"gps_txd", "GPS TXD pin (not really needed)", 0, &sonde.config.gps_txd},
+  {"batt_adc", "Battery measurement pin", 0, &sonde.config.batt_adc},
 #if 1
   {"sx1278_ss", "SX1278 SS", 0, &sonde.config.sx1278_ss},
   {"sx1278_miso", "SX1278 MISO", 0, &sonde.config.sx1278_miso},
@@ -720,6 +721,7 @@ const char *createConfigForm() {
   HTMLBODY(ptr, "config.html");
   strcat(ptr, "<table><tr><th>Option</th><th>Value</th></tr>");
   for (int i = 0; i < N_CONFIG; i++) {
+    Serial.printf("%d: %s -- %d\n", i, config_list[i].label, strlen(ptr));
     switch (config_list[i].type) {
       case -5: // Heading
         addConfigHeading(ptr, config_list[i].label);
@@ -1929,11 +1931,11 @@ void setup()
         axp.clearIRQ();
       }
       int ndevices = scanI2Cdevice();
-      if (sonde.fingerprint == 31) { pinMode(35, INPUT); }
       if (sonde.fingerprint != 17 || ndevices > 0) break; // only retry for fingerprint 17 (startup problems of new t-beam with oled)
       delay(500);
     }
   }
+  if (sonde.config.batt_adc>=0) { pinMode(sonde.config.batt_adc, INPUT); }
   if (sonde.config.power_pout >= 0) { // for a heltec v2, pull GPIO21 low for display power
     pinMode(sonde.config.power_pout & 127, OUTPUT);
     digitalWrite(sonde.config.power_pout & 127, sonde.config.power_pout & 128 ? 1 : 0);

RX_FSK/version.h

@@ -1,4 +1,4 @@
 const char *version_name = "rdzTTGOsonde";
-const char *version_id = "devel20210908";
+const char *version_id = "devel20210908b";
 const int SPIFFS_MAJOR=2;
 const int SPIFFS_MINOR=14;

libraries/SondeLib/Display.cpp

@@ -1560,24 +1560,20 @@ void Display::drawGPS(DispEntry *de) {
 void Display::drawBatt(DispEntry *de) {
 	float val;
 	char buf[30];
-	if(!axp192_found && sonde.fingerprint != 31) return;
+	if (!axp192_found) {
-	if (!axp192_found && sonde.fingerprint == 31)
+		if (sonde.config.batt_adc<0) return;
-	{
-		xSemaphoreTake(axpSemaphore, portMAX_DELAY);
 		switch (de->extra[0])
 		{
 		case 'V':
-				val = (float)(analogRead(35)) / 4095 * 2 * 3.3 * 1.1;
+				val = (float)(analogRead(sonde.config.batt_adc)) / 4095 * 2 * 3.3 * 1.1;
 				snprintf(buf, 30, "%.2f%s", val, de->extra + 1);
 			break;
 		default:
 			*buf = 0;
 		}
-		xSemaphoreGive(axpSemaphore);
 		rdis->setFont(de->fmt);
 		drawString(de, buf);
 	} else {
-
 	xSemaphoreTake( axpSemaphore, portMAX_DELAY );
 	switch(de->extra[0]) {
 	case 'S':

libraries/SondeLib/Sonde.cpp

@@ -89,6 +89,7 @@ void Sonde::defaultConfig() {
   	// Seems like on startup, GPIO4 is 1 on v1 boards, 0 on v2.1 boards?
 	config.gps_rxd = -1;
 	config.gps_txd = -1;
+	config.batt_adc = -1;
 	config.sx1278_ss = SS; // default SS pin, on all TTGOs
 	config.sx1278_miso = MISO;
 	config.sx1278_mosi = MOSI;
@@ -202,9 +203,11 @@ void Sonde::defaultConfig() {
 				}
 			}
 		} else {
+			// Likely a TTGO V2.1_1.6
 			config.button_pin = 2 + 128;     // GPIO2 / T2
 			config.button2_pin = 14 + 128;   // GPIO14 / T6
 			config.led_pout = 25;
+			config.batt_adc = 35; 
 		}
 	}
 	//
@@ -307,6 +310,8 @@ void Sonde::setConfig(const char *cfg) {
 		config.gps_rxd = atoi(val);
 	} else if(strcmp(cfg,"gps_txd")==0) {
 		config.gps_txd = atoi(val);
+	} else if(strcmp(cfg,"batt_adc")==0) {
+		config.batt_adc = atoi(val);
 	} else if(strcmp(cfg,"sx1278_ss")==0) {
 		config.sx1278_ss = atoi(val);
 	} else if(strcmp(cfg,"sx1278_miso")==0) {

libraries/SondeLib/Sonde.h

@@ -216,6 +216,7 @@ typedef struct st_rdzconfig {
 	int tft_spifreq;		// SPI transfer speed (default 40M is out of spec for some TFT)
 	int gps_rxd;			// GPS module RXD pin. We expect 9600 baud NMEA data.
 	int gps_txd;			// GPS module TXD pin
+	int batt_adc;			// Pin for ADC battery measurement (GPIO35 on TTGO V2.1_1.6)
 	int sx1278_ss;			// SPI slave select for sx1278
 	int sx1278_miso;		// SPI MISO for sx1278
 	int sx1278_mosi;		// SPI MOSI for sx1278