1 files changed, 12 insertions, 3 deletions
diff --git a/02-usart/src/core/irq.c b/02-usart/src/core/irq.c
index c9b93c2..47ad924 100644
--- a/02-usart/src/core/irq.c
+++ b/02-usart/src/core/irq.c
@@ -1,11 +1,10 @@
 #include "core/irq.h"
 #include "core/gpio.h"
+#include "core/nvic.h"
 
 #include "arch.h"
 #include "delay.h"
 
-#ifdef ARCH_STM32L4
-
 #define IRQ_RESERVED(n)
 #define IRQ(name, uname_, n) \
   void WEAK name () { \
@@ -80,4 +79,14 @@ void unhandled_isr(uint8_t number)
   }
 }
 
-#endif
+void enable_interrupts(interrupt_set_t* interrupts)
+{
+  for (int i = 0; i < sizeof(NVIC.ise_r) / sizeof(uint32_t); ++ i)
+    NVIC.ise_r[i] = interrupts->irqs[i];
+}
+
+void disable_interrupts(interrupt_set_t* interrupts)
+{
+  for (int i = 0; i < sizeof(NVIC.ise_r) / sizeof(uint32_t); ++ i)
+    NVIC.ice_r[i] = interrupts->irqs[i];
+}