implement osal critical for none/freertos/pico-sdk

1 files changed, 14 insertions, 5 deletions

diff --git a/src/osal/osal_none.h b/src/osal/osal_none.h
index d9100cfdd..05a121ae6 100644
--- a/src/osal/osal_none.h
+++ b/src/osal/osal_none.h
@@ -43,18 +43,27 @@ TU_ATTR_WEAK void osal_task_delay(uint32_t msec);
 //--------------------------------------------------------------------+
 // Critical API
 //--------------------------------------------------------------------+
-typedef uint8_t osal_critical_t; // not used
+typedef struct {
+  void (* interrupt_set)(bool);
+} osal_critical_t;
+
+#define OSAL_CRITIAL_DEF(_name, _int_set) \
+  osal_critical_t _name = { .interrupt_set = _int_set }
 
 TU_ATTR_ALWAYS_INLINE static inline void osal_critical_init(osal_critical_t *ctx) {
   (void) ctx;
 }
 
-TU_ATTR_ALWAYS_INLINE static inline void osal_critical_enter(osal_critical_t *ctx) {
-  (void) ctx;
+TU_ATTR_ALWAYS_INLINE static inline void osal_critical_enter(osal_critical_t *ctx, bool in_isr) {
+  if (!in_isr) {
+    ctx->interrupt_set(false);
+  }
 }
 
-TU_ATTR_ALWAYS_INLINE static inline void osal_critical_exit(osal_critical_t *ctx) {
-  (void) ctx;
+TU_ATTR_ALWAYS_INLINE static inline void osal_critical_exit(osal_critical_t *ctx, bool in_isr) {
+  if (!in_isr) {
+    ctx->interrupt_set(true);
+  }
 }
 
 //--------------------------------------------------------------------+