Test program for SoftSerial. TimerEvent function has bug for STM32 series Mbed. FRDM-64K works well without bug. This is a temporary solution avoid bug but not perfect.

Dependencies:   BufferedSoftSerial

Revision:
0:98865e300cd5
Child:
1:7fe8da827212
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BufferedSoftSerial.lib	Sun May 10 08:15:36 2020 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/kenjiArai/code/BufferedSoftSerial/#f186cc69acdf