fix booting ram, commit to new size

minimal-payload-ram/Makefile

@@ -30,4 +30,4 @@ main.elf: startup.o main.o
 	$(CC) $(CFLAGS) -c -o $@ $<
 
 clean:
-	rm -f *.o *.elf *.map *.dump
+	rm -f *.o *.elf *.map *.dump *.uf2

minimal-payload-ram/main.c

@@ -18,10 +18,10 @@ int main(void) {
     R32_GPIOA_CFGLR = (R32_GPIOA_CFGLR & ~0xf) | (0b0010 << 0);
     while (1) {
         R32_GPIOA_BSHR = 1 << 0;
-        for (int i = 0; i < 500000; i++)
+        for (int i = 0; i < 250000; i++)
             asm volatile("");
         R32_GPIOA_BSHR = 1 << 16;
-        for (int i = 0; i < 500000; i++)
+        for (int i = 0; i < 250000; i++)
             asm volatile("");
     }
 }