lcd_st7920: Add micro-controller code for the ST7920 LCD chip

Add support for passing messages to an ST7920 chip via a SPI
bit-banging interface.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2018-02-20 20:47:02 -05:00
parent fa07be9346
commit 9140f36d99
4 changed files with 126 additions and 0 deletions

View file

@ -9,6 +9,7 @@ config AVR_SELECT
select HAVE_GPIO_ADC
select HAVE_GPIO_SPI
select HAVE_GPIO_HARD_PWM
select HAVE_USER_INTERFACE
select NO_UNSTEP_DELAY
config BOARD_DIRECTORY