Simple demo to drive a 8x8-as LED matrix by a MAX7219 LED driver IC. After initialisation two characters (H and W) are displayed alternatively. The MAX7219 IC is driven by hardware SPI: SPI0 module at PTD1, PTD2, PTD3.
History
Controlador con driver max7219
2020-05-18, by Diego_Mbed [Mon, 18 May 2020 16:23:09 +0000] rev 1
Controlador con driver max7219
First version
2015-11-24, by icserny [Tue, 24 Nov 2015 06:41:43 +0000] rev 0
First version