Menuconfig for pins, and GPS moved to pin 6

#10

BuildIt/README.md

@@ -4,7 +4,7 @@ An addon module for portapack to add extra sensors to it for more fun.
 
 **Pin configuration**
 
-- GPS TX -> ESP pin 18 (baud 9600)
+- GPS TX -> ESP pin 6 (baud 9600)
 - I2c devices SCL  -> ESP pin 4
 - I2c devices SDA  -> ESP pin 5
 

README.md

@@ -56,6 +56,10 @@ An addon module for portapack to add extra sensors to it for more fun.
 
 ![](https://github.com/htotoo/ESP32-Portapack/blob/main/ScreenShots/ExtSensorTester.png?raw=true)
 
+### How to build:
+You can check the pinout here: https://github.com/htotoo/ESP32-Portapack/blob/main/BuildIt/README.md
+
+There is also menuconfig options to redefine the pins.
 
 ### Flash:
 If you want to flash the provided binary files, you can use this command:

Source/main/Kconfig

@@ -0,0 +1,24 @@
+menu "ESP32PP"
+
+    config GPSTXPIN
+        int "PIN where you connect the GPS TX part (ESP RX)"
+        range  0 40
+        default 6
+        help
+            PIN where you connect the GPS TX part (ESP RX)
+
+    config IC2SCLPIN
+        int "I2C SCL PIN on ESP"
+        range 0 40
+        default 4
+        help
+            I2C SCL PIN on ESP
+
+    config IC2SDAPIN
+        int "I2C SDA PIN on ESP"
+        range 1 255
+        default 5
+        help
+            I2C SDA PIN on ESP
+
+endmenu

Source/main/environment.c

@@ -23,7 +23,7 @@ void init_environment()
     bmp280_params_t params_bmp280;
     bmp280_init_default_params(&params_bmp280);
     memset(&dev_bmp280, 0, sizeof(bmp280_t));
-    bmp280_init_desc(&dev_bmp280, BMP280_I2C_ADDRESS_0, 0, 5, 4);
+    bmp280_init_desc(&dev_bmp280, BMP280_I2C_ADDRESS_0, 0, CONFIG_IC2SDAPIN, CONFIG_IC2SCLPIN);
 
     if (bmp280_init(&dev_bmp280, &params_bmp280) == ESP_OK)
     {
@@ -46,7 +46,7 @@ void init_environment()
 
     // sht3x
     memset(&sht3x, 0, sizeof(sht3x_t));
-    sht3x_init_desc(&sht3x, SHT3X_I2C_ADDR_GND, 0, 5, 4);
+    sht3x_init_desc(&sht3x, SHT3X_I2C_ADDR_GND, 0, CONFIG_IC2SDAPIN, CONFIG_IC2SCLPIN);
     if (sht3x_init(&sht3x) == ESP_OK)
     {
         sht3x_start_measurement(&sht3x, SHT3X_PERIODIC_1MPS, SHT3X_HIGH);
@@ -89,7 +89,7 @@ void init_environment_light()
 
     // bh1750
     memset(&bh1750, 0, sizeof(i2c_dev_t));
-    bh1750_init_desc(&bh1750, 0x23, 0, 5, 4);
+    bh1750_init_desc(&bh1750, 0x23, 0, CONFIG_IC2SDAPIN, CONFIG_IC2SCLPIN);
 
     if (bh1750_setup(&bh1750, BH1750_MODE_CONTINUOUS, BH1750_RES_HIGH) == ESP_OK)
     {