use 3rd party lib for ds18b20

CMakeLists.txt

@@ -18,4 +18,5 @@ project(gbmanager VERSION "1.0.0" LANGUAGES C CXX ASM)
 # Initialise the Raspberry Pi Pico SDK
 pico_sdk_init()
 
+add_subdirectory(modules/pico-onewire)
 add_subdirectory(src)

src/CMakeLists.txt

@@ -19,7 +19,7 @@ pico_enable_stdio_usb(${CMAKE_PROJECT_NAME} 0)
 pico_generate_pio_header(${CMAKE_PROJECT_NAME} ${CMAKE_CURRENT_LIST_DIR}/ds18b20.pio)
 
 # Add the standard library to the build
-target_link_libraries(${CMAKE_PROJECT_NAME} pico_stdlib)
+target_link_libraries(${CMAKE_PROJECT_NAME} pico_stdlib pico_one_wire)
 
 # Add any user requested libraries
 target_link_libraries(${CMAKE_PROJECT_NAME}

src/gbmanager.cpp

@@ -4,6 +4,7 @@
 
 #include "hardware/i2c.h"
 #include "pico/stdlib.h"
+#include "../modules/pico-onewire/api/one_wire.h"
 
 #include "config.h"
 #include "ds18b20.h"
@@ -31,7 +32,10 @@ int main() {
     myLCD.clear();
 
     // Initialize the temp sensor
-    // DS18B20 ds = DS18B20(pio0, DS18B20_PIN);
+    One_wire oneWire(DS18B20_PIN);
+    oneWire.init();
+    rom_address_t address{};
+    oneWire.single_device_read_rom(address);
 
     // Initialize the relais
     Relais relais(RELAIS_PIN);
@@ -51,9 +55,8 @@ int main() {
     sleep_ms(3000);
 
     while (true) {
-        // ds.convert();
-        // temp_act = ds.getTemperature();
-        temp_act = 23.5;
+        int duration = oneWire.convert_temperature(address, true, false);
+        temp_act = oneWire.temperature(address);
 
         if (isSystemOn && temp_act < temp_tgt - temp_diff) {
             isHeating = true;
@@ -75,5 +78,8 @@ int main() {
 
         myLCD.setCursor(0, 0);
         myLCD.sendString(lcdText.str());
+        if (duration > 0 && duration <= 1000) {
+            sleep_ms(1000 - duration);
+        }
     }
 }