WIP continuing

This commit now requires tinygo_task_current which I've patched in my
local TinyGo build.

espradio/radio_other.go

@@ -4,6 +4,9 @@ package espradio
 
 import "errors"
 
+// This is the value used for the ESP32-C3.
+const ticksPerSecond = 16_000_000
+
 var errUnsupportedChip = errors.New("espradio: unsupported chip")
 
 func initHardware() error {