Blink LED pin on MuseLabs nanoCH32V003 board

These boards have an LED on D6

https://github.com/wuxx/nanoCH32V003

examples/blink/blink.c

@@ -16,16 +16,20 @@ int main()
 	GPIOD->CFGLR &= ~(0xf<<(4*4));
 	GPIOD->CFGLR |= (GPIO_Speed_10MHz | GPIO_CNF_OUT_PP)<<(4*4);
 
+	// GPIO D6 Push-Pull
+	GPIOD->CFGLR &= ~(0xf<<(4*6));
+	GPIOD->CFGLR |= (GPIO_Speed_10MHz | GPIO_CNF_OUT_PP)<<(4*6);
+
 	// GPIO C0 Push-Pull
 	GPIOC->CFGLR &= ~(0xf<<(4*0));
 	GPIOC->CFGLR |= (GPIO_Speed_10MHz | GPIO_CNF_OUT_PP)<<(4*0);
 
 	while(1)
 	{
-		GPIOD->BSHR = 1 | (1<<4);	 // Turn on GPIOs
-		GPIOC->BSHR = 1;
+		GPIOD->BSHR = (1<<0) | (1<<4) | (1<<6);	 // Turn on GPIOs
+		GPIOC->BSHR = (1<<0);
 		Delay_Ms( 250 );
-		GPIOD->BSHR = (1<<16) | (1<<(16+4)); // Turn off GPIODs
+		GPIOD->BSHR = (1<<16) | (1<<(16+4)) | (1<<(16+6)); // Turn off GPIOs
 		GPIOC->BSHR = (1<<16);
 		Delay_Ms( 250 );
 	}