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Add versioned persistent configuration protocol

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This commit is contained in:
Joey Yakimowich-Payne 2026-09-02 15:24:35 -06:00
commit 7afc9981fe
36 changed files with 2784 additions and 756 deletions
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34
bluepad32_input_backend.cpp
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@ -1,5 +1,6 @@
#include "bluepad32_input_backend.h"
#include "controller_hotkey_config.h"
#include "configuration_service.h"
#include <limits.h>
#include <stddef.h>
@ -28,8 +29,10 @@ constexpr uint16_t kSwitchHostRumbleDurationMs = 50;
constexpr uint16_t kXInputHostRumbleDurationMs = UINT16_MAX;
#endif
constexpr uint32_t kRumblePollIntervalMs = 5;
constexpr uint32_t kConfigurationPollIntervalMs = 50;
constexpr uint8_t kSlotCount = BLUEPAD32_INPUT_BACKEND_SLOT_COUNT;
constexpr uint32_t kPairingWindowDurationMs = 60000;
constexpr uint32_t kDefaultPairingWindowDurationMs =
ADAPTER_PAIRING_WINDOW_SECONDS_DEFAULT * 1000u;
constexpr uint32_t kPairingResetFeedbackDurationMs = 2000;
// Bluetooth Classic units are 0.625 ms: 0x1900 = 4 seconds.
constexpr uint16_t kClassicLinkSupervisionTimeout = 0x1900;
@ -142,11 +145,14 @@ bool g_started = false;
// These fields are only read or written by Core 1 / BTstack.
btstack_timer_source_t g_rumble_timer{};
btstack_timer_source_t g_configuration_timer{};
ConnectionStatus g_connection_status = ConnectionStatus::Initializing;
btstack_packet_callback_registration_t g_pairing_event_callback{};
ConnectionPolicyState g_connection_policy_state =
ConnectionPolicyState::Uninitialized;
uint32_t g_pairing_window_deadline_ms = 0;
uint32_t g_pairing_window_duration_ms =
kDefaultPairingWindowDurationMs;
uint32_t g_pairing_reset_feedback_deadline_ms = 0;
uint16_t g_status_led_tick = 0;
bool g_pairing_window_open = false;
@ -531,8 +537,15 @@ bool update_pairing_window(uint32_t now_ms) {
critical_section_exit(&g_state_lock);
if (requested) {
ConfigurationServiceSnapshot configuration{};
configuration_service_snapshot(&configuration);
g_pairing_window_duration_ms =
static_cast<uint32_t>(
configuration.configuration.pairing_window_seconds) *
1000u;
g_pairing_window_open = true;
g_pairing_window_deadline_ms = now_ms + kPairingWindowDurationMs;
g_pairing_window_deadline_ms =
now_ms + g_pairing_window_duration_ms;
gap_set_bondable_mode(true);
sm_set_accepted_stk_generation_methods(kAllBlePairingMethods);
g_status_led_tick = 0;
@ -719,8 +732,16 @@ void update_status_led() {
}
}
void process_configuration_timer(btstack_timer_source_t* timer) {
configuration_service_task_on_storage_core(
btstack_run_loop_get_time_ms());
btstack_run_loop_set_timer(timer, kConfigurationPollIntervalMs);
btstack_run_loop_add_timer(timer);
}
void process_rumble_timer(btstack_timer_source_t* timer) {
const uint32_t now_ms = btstack_run_loop_get_time_ms();
process_clear_pairings(now_ms);
process_pairing_snapshot_request();
if (update_pairing_window(now_ms)) {
@ -814,6 +835,11 @@ void platform_on_init_complete() {
btstack_run_loop_set_timer_handler(&g_rumble_timer, process_rumble_timer);
btstack_run_loop_set_timer(&g_rumble_timer, kRumblePollIntervalMs);
btstack_run_loop_add_timer(&g_rumble_timer);
btstack_run_loop_set_timer_handler(
&g_configuration_timer, process_configuration_timer);
btstack_run_loop_set_timer(
&g_configuration_timer, kConfigurationPollIntervalMs);
btstack_run_loop_add_timer(&g_configuration_timer);
recompute_connection_status();
}
@ -994,6 +1020,7 @@ uni_platform* get_platform() {
if (!flash_safe_execute_core_init()) {
halt_wireless_backend();
}
configuration_service_initialize_on_storage_core();
if (cyw43_arch_init() != 0) {
halt_wireless_backend();
}
@ -1019,6 +1046,7 @@ void bluepad32_input_backend_init() {
}
critical_section_init(&g_state_lock);
configuration_service_prepare();
for (uint8_t slot_index = 0; slot_index < kSlotCount; ++slot_index) {
BackendSlot& slot = g_slots[slot_index];
slot = {};
@ -1037,6 +1065,8 @@ void bluepad32_input_backend_init() {
g_connection_status = ConnectionStatus::Initializing;
g_connection_policy_state = ConnectionPolicyState::Uninitialized;
g_pairing_window_deadline_ms = 0;
g_pairing_window_duration_ms =
kDefaultPairingWindowDurationMs;
g_pairing_reset_feedback_deadline_ms = 0;
g_pairing_window_open = false;
g_initialized = true;