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Preserve and reconnect 8BitDo controllers

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This commit is contained in:
Joey Yakimowich-Payne 2026-09-01 08:58:16 -06:00
commit fd23842327
7 changed files with 52 additions and 287 deletions
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7
bluepad32_input_backend.cpp
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@ -25,6 +25,8 @@ constexpr uint32_t kRumblePollIntervalMs = 5;
constexpr uint8_t kSlotCount = BLUEPAD32_INPUT_BACKEND_SLOT_COUNT;
constexpr uint32_t kPairingWindowDurationMs = 60000;
constexpr uint32_t kPairingResetFeedbackDurationMs = 2000;
// Bluetooth Classic units are 0.625 ms: 0x1900 = 4 seconds.
constexpr uint16_t kClassicLinkSupervisionTimeout = 0x1900;
constexpr uint8_t kAllBlePairingMethods =
SM_STK_GENERATION_METHOD_JUST_WORKS |
SM_STK_GENERATION_METHOD_OOB |
@ -749,6 +751,7 @@ void platform_init(int argc, const char** argv) {
}
void platform_on_init_complete() {
gap_set_link_supervision_timeout(kClassicLinkSupervisionTimeout);
gap_set_bondable_mode(false);
sm_set_accepted_stk_generation_methods(0);
gap_ssp_set_auto_accept(false);
@ -830,6 +833,10 @@ void platform_on_device_disconnected(uni_hid_device_t* device) {
critical_section_exit(&g_state_lock);
if (disconnected_tracked_device) {
// A controller can disconnect while the policy is already Open.
// Restart both scans so host-initiated reconnect controllers such as
// 8BitDo Ultimate become reachable without rebooting the Pico.
g_connection_policy_state = ConnectionPolicyState::Uninitialized;
recompute_connection_status();
}
}