Remove logic from code -- we only blink

main.c

@@ -17,12 +17,8 @@
 #include <stdbool.h>
 
 //#define DELAY 8000000		// Should be a second, or maybe not (second iff 8MHz clk, 1/3second if 24MHz clk)			// Too long!!
-#define DELAY 4000000		// This is bad -- it's a value that was found to be OK
 #define STM32F1 1			// Needed for libopencm3
 
-volatile enum {FORWARD, BACKWARD} direction;
-volatile bool running = false;
-
 void setup_system (void) {
 	// Set up clock
 	rcc_clock_setup_in_hse_8mhz_out_24mhz();
@@ -116,26 +112,6 @@ int main (void) {
 	setup();
 
 	while (true) __asm ("wfi");
-#ifdef NOT_ACTUALLY_DEFINED
-	// Array of what leds should be on
-	uint16_t states[4] = {0, 0, GPIO8, GPIO8};
-	char state = 0;
-	int i;
-
-	// Initial wait
-	while (!running) ;
-
-	while (true) {
-		for (i=0 ; i<DELAY ; i++) {
-			__asm ("nop");
-		}
-
-		state = (direction == FORWARD ? (state + 1)%4 : (/*state+4-1*/ state+3)%4 ); // New state
-
-		gpio_set(GPIOC, states[state]);
-		gpio_clear(GPIOC, (GPIO8) ^ states[state]);
-	}
-#endif
 	return 0;
 }