#include "ch.h" #include "hal.h" #include "ssd1963.h" // This is called when the board boots up with the user button pressed. The // idea is to enter this mode if the wrong SPI device has been used and flashing // is no longer possible. __attribute__ ((noreturn)) static void lockdown( void ) { palSetPad( GPIOD , GPIOD_LED3 ); while (TRUE) { // EMPTY } } void display_off( void ); void display_test_pattern( u16 start_mask ); int main( void ) { halInit(); chSysInit(); if ( palReadPad( GPIOA , GPIOA_BUTTON ) ) { lockdown( ); } ssd1963Init( ); int i = 0; while (TRUE) { display_test_pattern( 1 << i ); i = ( i + 1 ) % 16; if ( palReadPad( GPIOA , GPIOA_BUTTON ) ) { display_off( ); } } }