Use GPIO pin mappings based on GPIO version

Author: teskje

Cargo.toml

@@ -16,10 +16,12 @@ features = ["stm32f303xc", "rt", "stm32-usbd"]
 targets = ["thumbv7em-none-eabihf"]
 
 [dependencies]
+cfg-if = "0.1"
 cortex-m = "0.6"
 cortex-m-rt = "0.6"
 embedded-hal = "0.2"
 nb = "0.1"
+paste = "1"
 stm32f3 = "0.11"
 
 [dependencies.bare-metal]