Code clean-up

[PBrunot]

No description provided.

[github-actions]

Firmware size changes for esp32-devboard

Commit CURRENT 2fee0c5 vs REFERENCE 20c5f45

<CURRENT> MAP file: ../firmware.map.latest
<REFERENCE> MAP file: ../firmware.map.previous
Difference is counted as <CURRENT> - <REFERENCE>,           i.e. a positive number means that <CURRENT> is larger.
Total sizes of <CURRENT>:                                       <REFERENCE>     Difference
Used static DRAM:   58948 bytes (  65632 remain, 47.3% used)          59004            -56 (    +56 remain,      +0 total)
      .data size:   26180 bytes                                       26180
      .bss  size:   32768 bytes                                       32824            -56
Used static IRAM:   85118 bytes (  45954 remain, 64.9% used)          85118                (     +0 remain,      +0 total)
      .text size:   84091 bytes                                       84091
   .vectors size:    1027 bytes                                        1027
Used Flash size : 1069271 bytes                                     1069395           -124
           .text:  870111 bytes                                      870267           -156
         .rodata:  198904 bytes                                      198872            +32
Total image size: 1180569 bytes (.bin may be padded larger)         1180693           -124

[github-actions]

Firmware size changes for hardware-rev0-it_IT

Commit CURRENT 2fee0c5 vs REFERENCE 20c5f45

<CURRENT> MAP file: ../firmware.map.latest
<REFERENCE> MAP file: ../firmware.map.previous
Difference is counted as <CURRENT> - <REFERENCE>,           i.e. a positive number means that <CURRENT> is larger.
Total sizes of <CURRENT>:                                       <REFERENCE>     Difference
Used static IRAM:   66218 bytes ( 296022 remain, 18.3% used)          66218                (     +0 remain,      +0 total)
      .text size:   65191 bytes                                       65191
   .vectors size:    1027 bytes                                        1027
Used stat D/IRAM:   57337 bytes ( 288519 remain, 16.6% used)          57393            -56 (    +56 remain,      +0 total)
      .data size:   22433 bytes                                       22433
      .bss  size:   34904 bytes                                       34960            -56
Used Flash size : 1160807 bytes                                     1161219           -412
           .text:  946575 bytes                                      946939           -364
         .rodata:  213976 bytes                                      214024            -48
Total image size: 1249458 bytes (.bin may be padded larger)         1249870           -412