From b230ac9c1a2e33da7e2996284ae5dfdc1b832a30 Mon Sep 17 00:00:00 2001
From: Grant Miller <GrantM11235@gmail.com>
Date: Sun, 8 May 2022 14:41:59 -0500
Subject: [PATCH] stm32/gpio: Add support for `set_speed` for gpio v1

---
 embassy-stm32/src/gpio.rs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/embassy-stm32/src/gpio.rs b/embassy-stm32/src/gpio.rs
index 30f900316..d5941c2f9 100644
--- a/embassy-stm32/src/gpio.rs
+++ b/embassy-stm32/src/gpio.rs
@@ -511,10 +511,20 @@ pub(crate) mod sealed {
             self.set_as_analog();
         }
 
-        #[cfg(gpio_v2)]
+        #[cfg(any(gpio_v1, gpio_v2))]
         #[inline]
         unsafe fn set_speed(&self, speed: Speed) {
             let pin = self._pin() as usize;
+
+            #[cfg(gpio_v1)]
+            {
+                let crlh = if pin < 8 { 0 } else { 1 };
+                self.block().cr(crlh).modify(|w| {
+                    w.set_mode(pin % 8, speed.into());
+                });
+            }
+
+            #[cfg(gpio_v2)]
             self.block()
                 .ospeedr()
                 .modify(|w| w.set_ospeedr(pin, speed.into()));