Migrate exti_irq stuff to macro tables.

embassy-stm32/gen.py

@@ -140,10 +140,10 @@ with open(output_file, 'w') as f:
         #     if re.match('TIM[2345]$', name):
         #         f.write(f'impl_timer!({name});')
 
-        if block_mod == 'exti':
-            for irq in chip['interrupts']:
-                if re.match('EXTI', irq):
-                    exti_interrupts.append(irq)
+        # if block_mod == 'exti':
+        #     for irq in chip['interrupts']:
+        #         if re.match('EXTI', irq):
+        #             exti_interrupts.append(irq)
 
         # if block_mod == 'dac':
         #     f.write(f'impl_dac!({name});')
@@ -160,4 +160,4 @@ with open(output_file, 'w') as f:
     f.write(f"embassy_extras::peripherals!({','.join(singletons)});")
 
     # ========= exti interrupts
-    f.write(f"impl_exti_irq!({','.join(exti_interrupts)});")
+    # f.write(f"impl_exti_irq!({','.join(exti_interrupts)});")

embassy-stm32/src/exti.rs

@@ -214,6 +214,7 @@ impl_exti!(EXTI15, 15);
 
 pub(crate) unsafe fn init() {}
 
+/*
 macro_rules! impl_exti_irq {
     ($($e:ident),+) => {
         /// safety: must be called only once
@@ -234,3 +235,24 @@ macro_rules! impl_exti_irq {
         )+
     };
 }
+ */
+
+/// safety: must be called only once
+pub(crate) unsafe fn init_exti() {
+    use embassy::interrupt::Interrupt;
+    use embassy::interrupt::InterruptExt;
+
+    crate::pac::exti_interrupts!(
+        ($e:ident) => {
+            crate::interrupt::$e::steal().enable();
+        };
+    );
+}
+
+crate::pac::exti_interrupts!(
+    ($e:ident) => {
+        unsafe fn $e() {
+            on_irq()
+        }
+    };
+);

embassy-stm32/src/lib.rs

@@ -83,7 +83,7 @@ pub fn init(config: Config) -> Peripherals {
 
         #[cfg(dma)]
         dma::init();
-        generated::init_exti();
+        exti::init_exti();
         rcc::init(config.rcc);
     }