Peter Drescher / Mbed 2 deprecated Nucleo_spi_master_20MHz

Test program to show cpu running at 84MHz

Dependencies:   ST_401_84MHZ mbed

Speed up the CPU to 84MHz to get a SPI clock of 20MHz.

Diff: ST_401_84MHZ.lib

Revision:
2:d53a7002da28
Parent:
1:aa61af968c8a