esp32: Run NimBLE on the app core.

This prevents issues with concurrent access to the ringbuf. MICROPY_BEGIN_ATOMIC_SECTION is only atomic to the same core. We could address this with a mutex, but it's also not safe to call mp_sched_schedule across cores.
5 years ago · 4b2b05718a
1 changed files with 7 additions and 0 deletions
--- a/ports/esp32/boards/sdkconfig.ble
+++ b/ports/esp32/boards/sdkconfig.ble
@ -3,5 +3,12 @@ CONFIG_BT_ENABLED=y
 CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
 CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=
 CONFIG_BTDM_CTRL_MODE_BTDM=
+
 CONFIG_BT_NIMBLE_ENABLED=y
+
 CONFIG_BT_NIMBLE_MAX_CONNECTIONS=4
+
+# Pin to the same core as MP.
+CONFIG_BT_NIMBLE_PINNED_TO_CORE_0=n
+CONFIG_BT_NIMBLE_PINNED_TO_CORE_1=y
+CONFIG_BT_NIMBLE_PINNED_TO_CORE=1