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authorKing Kévin <kingkevin@cuvoodoo.info>2016-01-27 16:35:44 +0100
committerKing Kévin <kingkevin@cuvoodoo.info>2016-01-27 16:35:44 +0100
commitc99e49a5d71cf6f4a71c9eb87ad7bcae1f96abc3 (patch)
parentb9f3e244af8415fde0d9bc3e7c1d93ceefd8b5c3 (diff)
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+this micro-controller firmware controls a vacuum fluorescent display (VFD).
+the VFD has been salvaged from a Samsung SER6500 cash register.
+it already included supertex HV518 VFD drivers.
+the micro-controller used is a STM32F103C8T6. with the libopencm3 library.
+the firmware starts by testing all segments of the VFD, plays an animation, and finally displayed the text typed in over the USB CDC ACM or USART1 ports.
+the data is shifted out from the micro-controller to the drivers using SPI.
+a timer will periodically refresh all parts of the VFD.
+more details are available at https://wiki.cuvoodoo.info/doku.php?id=vfd_driver.