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< title > esp-nimble-cpp: Arduino command line and platformio config options</ title >
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  < span id = "projectnumber" > 1.3.2</ span >
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< div class = "title" > Arduino command line and platformio config options </ div > </ div >
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< div class = "textblock" >< p >< code > CONFIG_BT_NIMBLE_MAX_CONNECTIONS</ code > < br />
</ p >
< p > Sets the number of simultaneous connections (esp controller max is 9) < br />
</ p >< ul >
< li > Default value is 3 < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_ATT_PREFERRED_MTU</ code > < br />
</ p >
< p > Sets the default MTU size. < br />
</ p >< ul >
< li > Default value is 255 < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_SVC_GAP_DEVICE_NAME</ code > < br />
</ p >
< p > Set the default device name < br />
</ p >< ul >
< li > Default value is "nimble" < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_DEBUG</ code > < br />
</ p >
< p > If defined, enables debug log messages from the NimBLE host < br />
</ p >< ul >
< li > Uses approx. 32kB of flash memory. < br />
< br />
</ li >
</ ul >
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< p >< code > CONFIG_NIMBLE_CPP_DEBUG_LEVEL</ code > < br />
</ p >
< p > Define to set the debug log message level from the NimBLE CPP Wrapper. < br />
If not defined it will use the same value as the Arduino core debug level. < br />
Values: 0 = NONE, 1 = ERROR, 2 = WARNING, 3 = INFO, 4+ = DEBUG < br />
< br />
</ p >
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< p >< code > CONFIG_NIMBLE_CPP_ENABLE_RETURN_CODE_TEXT</ code > < br />
</ p >
< p > If defined, NimBLE host return codes will be printed as text in debug log messages. < br />
</ p >< ul >
< li > Uses approx. 7kB of flash memory. < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_NIMBLE_CPP_ENABLE_GAP_EVENT_CODE_TEXT</ code > < br />
</ p >
< p > If defined, GAP event codes will be printed as text in debug log messages. < br />
</ p >< ul >
< li > Uses approx. 1kB of flash memory. < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_NIMBLE_CPP_ENABLE_ADVERTISMENT_TYPE_TEXT</ code > < br />
</ p >
< p > If defined, advertisment types will be printed as text while scanning in debug log messages. < br />
</ p >< ul >
< li > Uses approx. 250 bytes of flash memory. < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_SVC_GAP_APPEARANCE</ code > < br />
</ p >
< p > Set the default appearance. < br />
</ p >< ul >
< li > Default value is 0x00 < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_ROLE_CENTRAL_DISABLED</ code > < br />
</ p >
< p > If defined, NimBLE Client functions will not be included. < br />
</ p >< ul >
< li > Reduces flash size by approx. 7kB. < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_ROLE_OBSERVER_DISABLED</ code > < br />
</ p >
< p > If defined, NimBLE Scan functions will not be included. < br />
</ p >< ul >
< li > Reduces flash size by approx. 26kB. < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_ROLE_PERIPHERAL_DISABLED</ code > < br />
</ p >
< p > If defined NimBLE Server functions will not be included. < br />
</ p >< ul >
< li > Reduces flash size by approx. 16kB. < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_ROLE_BROADCASTER_DISABLED</ code > < br />
</ p >
< p > If defined, NimBLE Advertising functions will not be included. < br />
</ p >< ul >
< li > Reduces flash size by approx. 5kB. < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_MAX_BONDS</ code > < br />
</ p >
< p > Sets the number of devices allowed to store/bond with < br />
</ p >< ul >
< li > Default value is 3 < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_MAX_CCCDS</ code > < br />
</ p >
< p > Sets the maximum number of CCCD subscriptions to store < br />
</ p >< ul >
< li > Default value is 8 < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_RPA_TIMEOUT</ code > < br />
</ p >
< p > Sets the random address refresh time in seconds. < br />
</ p >< ul >
< li > Default value is 900 < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_MSYS1_BLOCK_COUNT</ code > < br />
</ p >
< p > Set the number of msys blocks For prepare write & prepare responses. This may need to be increased if < br />
you are sending large blocks of data with a low MTU. E.g: 512 bytes with 23 MTU will fail. < br />
</ p >< ul >
< li > Default value is 12 < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_EXTERNAL</ code > < br />
</ p >
< p > Sets the NimBLE stack to use external PSRAM will be loaded < br />
</ p >< ul >
< li > Must be defined with a value of 1; Default is CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_INTERNAL 1 < br />
< br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_PINNED_TO_CORE</ code > < br />
</ p >
< p > Sets the core the NimBLE host stack will run on < br />
</ p >< ul >
< li > Options: 0 or 1 < br />
</ li >
</ ul >
< p >< code > CONFIG_BT_NIMBLE_TASK_STACK_SIZE</ code > < br />
</ p >
< p > Set the task stack size for the NimBLE core. < br />
</ p >< ul >
< li > Default is 4096 < br />
< br />
</ li >
</ ul >
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