chore: reorganize source organization to a more modern style

CMakeLists.txt

@@ -24,12 +24,18 @@ project(ensaht C CXX ASM)
 
 # Add executable. Default name is the project name, version 0.1
 
-add_executable(ensaht main.c mqtt.c bmp.c aht.c ens.c)
+add_executable(ensaht
+  src/main.c
+  src/mqtt.c
+  src/bmp.c
+  src/aht.c
+  src/ens.c
+)
 
 # Add the standard include files to the build
 target_include_directories(ensaht PRIVATE
   ${CMAKE_CURRENT_LIST_DIR}
-  ${CMAKE_CURRENT_LIST_DIR}/inc
+  ${CMAKE_CURRENT_LIST_DIR}/include
   ${CMAKE_CURRENT_LIST_DIR}/.. # for our common lwipopts or any other standard includes, if required
 )
 pico_set_program_name(ensaht "ensaht")

src/aht.c

@@ -1,4 +1,4 @@
-#include "inc/aht.h"
+#include "aht.h"
 
 #include "hardware/i2c.h"
 #include "pico/stdlib.h" // IWYU pragma: keep

src/bmp.c

@@ -1,6 +1,6 @@
 // Copyright 2026 A.M. Rowsell <amr@frzn.dev>
 // SPDX-License-Identifier: MIT
-#include "inc/bmp.h"
+#include "bmp.h"
 
 float bmp_cal_data_fp[15];
 

src/ens.c

@@ -1,4 +1,4 @@
-#include "inc/ens.h"
+#include "ens.h"
 
 #include "hardware/i2c.h"
 #include "pico/stdlib.h" // IWYU pragma: keep

src/main.c

@@ -18,10 +18,10 @@
  *               the readings to Adafruit IO over MQTT using the Pico W.
  ******************************************************************************/
 
-#include "inc/aht.h"
-#include "inc/bmp.h"
-#include "inc/ens.h"
-#include "inc/mqtt.h"
+#include "aht.h"
+#include "bmp.h"
+#include "ens.h"
+#include "mqtt.h"
 #include "hardware/gpio.h"
 #include "hardware/i2c.h"
 #include "pico/cyw43_arch.h"

src/mqtt.c

@@ -1,4 +1,4 @@
-#include "inc/mqtt.h"
+#include "mqtt.h"
 
 #include "lwip/altcp.h" // IWYU pragma: keep
 #include "lwip/altcp_tls.h"