NO Bash required (windows compilation problem gone) - migrated to python

build flags format simplified
Binaries updated

compiled/mega2560-5100/firmware.hex

@@ -140,8 +140,8 @@
 :1008B0002C524553542C584F4E2C584F46462C54CE
 :1008C0004F47474C4500656E756D00666C6F6174EF
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-:1008E00074696D652C667265656865617000393381
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+:1008E00074696D652C667265656865617000303885
+:1008F00034316332625F323031392D31302D31364F
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@@ -302,7 +302,7 @@
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 :1012F00047003230313130334C0020432B2B2076E5
-:10130000657273696F6E3A00393335366661375FDF
+:10130000657273696F6E3A00303834316332625FF0
 :10131000323031392D31302D3136000A4C617A7935
 :10132000686F6D652E7275204C69676874487562C8
 :1013300020636F6E74726F6C6C65722000526574FE

compiled/mega2560-5500/firmware.hex

@@ -119,7 +119,7 @@
 :10076000462C544F47474C4500656E756D00666CCE
 :100770006F617400322E312E300024686F6D696510
 :1007800000757074696D652C667265656865617069
-:1007900000393335366661375F323031392D3130CB
+:1007900000303834316332625F323031392D3130DC
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 :1007B000616D6500726561647900207472792061F1
 :1007C0006761696E20696E2035207365636F6E64A2
@@ -201,8 +201,8 @@
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-:100CB000432B2B2076657273696F6E3A003933359A
-:100CC000366661375F323031392D31302D313600A3
+:100CB000432B2B2076657273696F6E3A003038349F
+:100CC000316332625F323031392D31302D313600AF
 :100CD0000A4C617A79686F6D652E7275204C696770
 :100CE000687448756220636F6E74726F6C6C6572A5
 :100CF0002000000020002300260029002C002F00E7

compiled/nrf52840-5500/firmware.hex

@@ -3965,8 +3965,8 @@
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 :10F7D000524F4D20636C65617265640A000A4C618A
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-:10F7F000756220636F6E74726F6C6C657220003975
-:10F800003335366661375F323031392D31302D3145
+:10F7F000756220636F6E74726F6C6C65722000307E
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 :10F820003230313130334C000A282D2957415443AE
 :10F8300048444F47000A436F6E66696720736572DC
@@ -4017,8 +4017,8 @@
 :10FB00006500636F6C6F7200666C6F6174002468CF
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-:10FB300024666F726D617400757074696D6500394B
-:10FB40003335366661375F323031392D31302D3102
+:10FB300024666F726D617400757074696D65003054
+:10FB40003834316332625F323031392D31302D310A
 :10FB500036004C696768744875622000445332343B
 :10FB600038325F3130305F4932435F544F5F315735
 :10FB70005F42524944474520696E697400445332DC