added ttgo board en pins

platformio.ini

@@ -9,7 +9,16 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [platformio]
-default_envs = heltec_wifi_lora_32_V2
+default_envs = ttgo-t18
+
+[env]
+lib_deps = 
+	#heltecautomation/Heltec ESP32 Dev-Boards@^1.1.0
+	ericksimoes/Ultrasonic@^3.0.0
+	256dpi/MQTT@^2.4.8
+	http://192.168.2.3/Bonobo.Git.Server/OLEDDisplay.git
+	bluerobotics/ping-arduino@^0.0.2
+
 
 [env:heltec_wifi_lora_32_V2]
 platform = espressif32
@@ -17,11 +26,6 @@ board = heltec_wifi_lora_32_V2
 tasks = 
 framework = arduino
 build_flags = -D ENVIRONMENT=1
-lib_deps = 
-	#heltecautomation/Heltec ESP32 Dev-Boards@^1.1.0
-	ericksimoes/Ultrasonic@^3.0.0
-	256dpi/MQTT@^2.4.8
-	http://192.168.2.3/Bonobo.Git.Server/OLEDDisplay.git
 monitor_speed = 115200
 
 
@@ -30,19 +34,12 @@ platform = espressif32
 board = lolin32
 framework = arduino
 build_flags = -D ENVIRONMENT=2
-lib_deps = 
-	ericksimoes/Ultrasonic@^3.0.0
-	256dpi/MQTT@^2.4.8
-	http://192.168.2.3/Bonobo.Git.Server/OLEDDisplay.git
 monitor_speed = 115200
 
+
 [env:ttgo-t18]
 platform = espressif32
 board = ttgo-t1
 framework = arduino
 build_flags = -D ENVIRONMENT=3
-lib_deps = 
-	ericksimoes/Ultrasonic@^3.0.0
-	256dpi/MQTT@^2.4.8
-	http://192.168.2.3/Bonobo.Git.Server/OLEDDisplay.git
 monitor_speed = 115200

src/display.cpp

@@ -13,8 +13,20 @@ SSD1306Wire *display;
 bool initOK = false;
 char buf[128];
 
+void displayOff(void)
+{
+  //display->setBrightness(64);
+  //display->displayOff();
+}
+
+void displayOn(void)
+{
+  //display->displayOn();
+}
+
 void displayDrawBatt(uint16_t voltage, bool sleep)
 {
+  Serial.println("get vbatt");
   voltage = powerGetVbatt();
   uint16_t xstart = 104;
   uint16_t ystart = 30;
@@ -131,7 +143,7 @@ void displayInit(void)
     return;
   }
   initOK = display->init();
-  display->setBrightness(255);
+  display->setBrightness(128);
   display->flipScreenVertically();
   display->setFont(ArialMT_Plain_10);
   display->drawString(0, 0, "OLED initial done!");

src/display.h

@@ -6,6 +6,8 @@ void displayInit(void);
 void displayUpdate(void);
 void displayDrawBatt(uint16_t voltage, bool sleep);
 void displayDrawShutdown(void);
+void displayOff(void);
+void displayOn(void);
 
 
 

src/hal.h

@@ -56,11 +56,16 @@
 #define SCL_OLED   4
 #define RST_OLED  17
 
+#define US100           //alternative sonar
 #define TRIGGER   13
 #define ECHO      14
 
-#define VBATT     ADC2_CHANNEL_1
+#define VBATT     ADC1_CHANNEL_7
 #define VEXT      21
+
+#define MAILLED   21
+#define BUTTON    22
+#define DOORSW    23
 #endif
 
 #endif //HALH

src/mailbox.cpp

@@ -1,6 +1,7 @@
 #include "Arduino.h"
 #include "mailbox.h"
 #include "sensor.h"
+#include "hal.h"
 
 #define MAILCOUNTERFILTER 10   //minimum samples should be equal before triggering mail alert
 #define MAILCOUNTERTHRESHOLT 2 //minimum delta distance in cm
@@ -10,6 +11,14 @@ uint8_t mailcounter = 0;
 bool mailFlag = false;
 bool mailDetected = false;
 
+void mailboxInit(void)
+{
+
+  pinMode(MAILLED, OUTPUT);
+  pinMode(BUTTON, INPUT_PULLUP);
+  pinMode(DOORSW, INPUT_PULLUP);
+}
+
 void mailboxhandler(void)
 {
   uint8_t currentDistance = sensorGetDistance();
@@ -44,3 +53,8 @@ bool mailboxGetMailDetected(void)
 {
   return mailDetected;
 }
+
+void mailboxCleared(void)
+{
+
+}

src/main.cpp

@@ -7,7 +7,7 @@
 #include "power.h"
 #include "mailbox.h"
 
-#define TIME_TO_SLEEP 1 /* Time ESP32 will go to sleep (in seconds) */
+#define TIME_TO_SLEEP 10 /* Time ESP32 will go to sleep (in seconds) */
 
 void serialInit(void)
 {
@@ -24,7 +24,7 @@ void setup()
   sensorInit();
   //netInit();
   powerInit();
-  //sleepInit(TIME_TO_SLEEP);
+  sleepInit(TIME_TO_SLEEP);
   displayUpdate();
 }
 
@@ -34,6 +34,6 @@ void loop()
   sensorUpdateDistance();
   displayUpdate();
   mailboxhandler();
-  //sleepStart();
+  sleepStart();
   delay(1000);
 }

src/power.cpp

@@ -5,7 +5,15 @@
 #include <driver/adc.h>
 #include "display.h"
 
+#if (ENVIRONMENT == TTGO_T18)
+  #define VOLTAGE_DIVIDER 2                     // ttgo has 100/100k voltage divider so need to reverse that reduction via (220k+100k)/100k on vbat GPIO37 or ADC1_1 (early revs were GPIO13 or ADC2_4 but do NOT use with WiFi.begin())
+  #define VOLTAGEREF  3787                     // measured 2,0474 / 2214 ticks (mv)
+#else
+
   #define VOLTAGE_DIVIDER 2.08                     // Lora has 220k/100k voltage divider so need to reverse that reduction via (220k+100k)/100k on vbat GPIO37 or ADC1_1 (early revs were GPIO13 or ADC2_4 but do NOT use with WiFi.begin())
+
+#endif
+
 #define DEFAULT_VREF 1100                        // Default VREF use if no e-fuse calibration
 #define VBATT_SAMPLE 500                         // Battery sample rate in ms
 #define VBATT_SMOOTH 20                          // Number of averages in sample
@@ -15,7 +23,6 @@
 
 uint16_t Sample();
 
-
 esp_adc_cal_characteristics_t *adc_chars;
 
 uint16_t voltage = 666;
@@ -27,6 +34,11 @@ void powerInit(void)
   esp_adc_cal_value_t val_type = esp_adc_cal_characterize(ADC_UNIT_1, ADC_ATTEN_DB_6, ADC_WIDTH_BIT_12, DEFAULT_VREF, adc_chars);
   adc1_config_width(ADC_WIDTH_BIT_12);
   adc1_config_channel_atten(VBATT, ADC_ATTEN_DB_6);
+#elif (ENVIRONMENT == TTGO_T18)
+  //nothing
+  adc_chars = (esp_adc_cal_characteristics_t *)calloc(1, sizeof(esp_adc_cal_characteristics_t));
+  esp_adc_cal_value_t val_type = esp_adc_cal_characterize(ADC_UNIT_1, ADC_ATTEN_DB_6, ADC_WIDTH_BIT_12, DEFAULT_VREF, adc_chars);
+  adc1_config_channel_atten(VBATT, ADC_ATTEN_DB_6);
 #else
   // Use this for older V2.0 with VBatt reading wired to GPIO13
   adc_chars = (esp_adc_cal_characteristics_t *)calloc(1, sizeof(esp_adc_cal_characteristics_t));
@@ -64,7 +76,6 @@ void powerInit(void)
   Serial.println("Power init done");
 }
 
-
 uint16_t powerGetVbatt(void)
 {
   return voltage;
@@ -75,31 +86,30 @@ void powerHandler(void)
   voltage = Sample();
   //displayDrawBatt(voltage, voltage < LIGHT_SLEEP_VOLTAGE);
 
-  if (voltage < MINBATT)
+//   if (voltage < MINBATT)
-  { // Low Voltage cut off shut down to protect battery as long as possible
+//   { // Low Voltage cut off shut down to protect battery as long as possible
-    displayDrawShutdown();
+//     displayDrawShutdown();
-    delay(2000);
+//     delay(2000);
-#if defined(__DEBUG) && __DEBUG > 0
+// #if defined(__DEBUG) && __DEBUG > 0
-    Serial.printf(" !! Shutting down...low battery volotage: %dmV.\n", voltage);
+//     Serial.printf(" !! Shutting down...low battery volotage: %dmV.\n", voltage);
-    delay(10);
+//     delay(10);
-#endif
+// #endif
-    esp_sleep_enable_timer_wakeup(LO_BATT_SLEEP_TIME);
+//     esp_sleep_enable_timer_wakeup(LO_BATT_SLEEP_TIME);
-    esp_deep_sleep_start();
+//     esp_deep_sleep_start();
-  }
+//   }
-  else if (voltage < LIGHT_SLEEP_VOLTAGE)
+//   else if (voltage < LIGHT_SLEEP_VOLTAGE)
-  { // Use light sleep once on battery
+//   { // Use light sleep once on battery
-    uint64_t s = VBATT_SAMPLE;
+//     uint64_t s = VBATT_SAMPLE;
-#if defined(__DEBUG) && __DEBUG > 0
+// #if defined(__DEBUG) && __DEBUG > 0
-    Serial.printf(" - Light Sleep (%dms)...battery volotage: %dmV.\n", (int)s, voltage);
+//     Serial.printf(" - Light Sleep (%dms)...battery volotage: %dmV.\n", (int)s, voltage);
-    delay(20);
+//     delay(20);
-#endif
+// #endif
-    esp_sleep_enable_timer_wakeup(s * 1000); // Light Sleep does not flush buffer
+//     esp_sleep_enable_timer_wakeup(s * 1000); // Light Sleep does not flush buffer
-    esp_light_sleep_start();
+//     esp_light_sleep_start();
-  }
+//   }
   delay(ADC_READ_STABILIZE);
 }
 
-
 // Heltec WiFi LoRa V2 battery read example
 // by Jeff McClain  jeff@themcclains.net
 //
@@ -107,27 +117,40 @@ void powerHandler(void)
 // Poll the proper ADC for VBatt on Heltec Lora 32 with GPIO21 toggled
 uint16_t ReadVBatt()
 {
+  Serial.println("start read batt");
   int reading = 666;
+  uint16_t rawVoltage;
 
+#if (defined(HELTEC_V2_1))
   digitalWrite(VEXT, LOW);   // ESP32 Lora v2.1 reads on GPIO37 when GPIO21 is low
   delay(ADC_READ_STABILIZE); // let GPIO stabilize
-#if (defined(HELTEC_V2_1))
   pinMode(VBATT, OPEN_DRAIN); // ADC GPIO37
   reading = adc1_get_raw(VBATT);
   pinMode(VBATT, INPUT); // Disconnect ADC before GPIO goes back high so we protect ADC from direct connect to VBATT (i.e. no divider)
-#else
+    uint16_t rawVoltage = esp_adc_cal_raw_to_voltage(reading, adc_chars);
+
+#elif (ENVIRONMENT == TTGO_T18)
+  pinMode(VBATT, ANALOG); // ADC GPIO13
+  reading = analogRead(35);
+  Serial.printf("battery analogread = %i\n", reading);
+  rawVoltage = float(VOLTAGEREF / 4096) * reading;
+  Serial.printf("raw voltage = %i\n", rawVoltage);
+
+  //pinMode(VBATT, INPUT); // Disconnect ADC before GPIO goes back high so we protect ADC from direct connect to VBATT (i.e. no divider
+#elif (ENVIRONMENT == LOLIN32)
+  digitalWrite(VEXT, LOW);   // ESP32 Lora v2.1 reads on GPIO37 when GPIO21 is low
+  delay(ADC_READ_STABILIZE); // let GPIO stabilize
   pinMode(VBATT, OPEN_DRAIN); // ADC GPIO13
   adc2_get_raw(VBATT, ADC_WIDTH_BIT_12, &reading);
   pinMode(VBATT, INPUT); // Disconnect ADC before GPIO goes back high so we protect ADC from direct connect to VBATT (i.e. no divider
+  rawVoltage = esp_adc_cal_raw_to_voltage(reading, adc_chars);
 #endif
-  uint16_t rawVoltage = esp_adc_cal_raw_to_voltage(reading, adc_chars);
   //Serial.printf("battery rawvoltage = %i\n", rawVoltage);
   rawVoltage *= VOLTAGE_DIVIDER;
-  //Serial.printf("battery sample = %i\n", rawVoltage);
+  Serial.printf("battery sample = %i\n", rawVoltage);
   //digitalWrite(VEXT, HIGH);   // ESP32 Lora v2.1 reads on GPIO37 when GPIO21 is low
 
   return rawVoltage;
-
 }
 
 //  Use a buffer to average/sample ADC

src/sleep.cpp

@@ -1,5 +1,6 @@
 #include "arduino.h"
 #include "sleep.h"
+#include "display.h"
 
 #define uS_TO_S_FACTOR 1000000 /* Conversion factor for micro seconds to seconds */
 
@@ -65,7 +66,12 @@ void sleepStart()
   Serial.flush();
   Serial.println("Going to sleep now");
   Serial.flush();
+  displayOff();
   delay(100);
   esp_light_sleep_start();
+
+
+  displayOn();
   Serial.println("Woke");
+
 }