v0.0.29 - Feather firmware: auto-approve sign_event and always return explicit JSON-RPC errors for unhandled/oversized requests

firmware/feather_s3_tft/main/buttons.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    BTN_NONE = 0,
+    BTN_D0,
+    BTN_D1,
+    BTN_D2,
+} btn_id_t;
+
+typedef enum {
+    BTN_EVT_NONE = 0,
+    BTN_EVT_PRESS,
+    BTN_EVT_LONG_PRESS,
+} btn_event_kind_t;
+
+typedef struct {
+    btn_id_t id;
+    btn_event_kind_t kind;
+} btn_event_t;
+
+void buttons_init(void);
+btn_event_t buttons_wait(uint32_t timeout_ms);
+btn_event_t buttons_poll(void);
+
+#ifdef __cplusplus
+}
+#endif