avr-something

commit c7c2b54a9720e33b0bf250ed95ca89b727ac1561
parent 9a85f431e72420a3bce50d333d1fb8bc15671bfd
Author: Henry Wilson <m3henry@googlemail.com>
Date:   Sat,  3 Feb 2018 14:26:44 +0000

PWM test

Diffstat:
M
led-test.cpp
 | 
30
++++++++++++++++++++++++++----

1 file changed, 26 insertions(+), 4 deletions(-)
diff --git a/led-test.cpp b/led-test.cpp
@@ -4,10 +4,32 @@
 
 int main(void)
 {
-	io::direction::B() |= 0x80;
-	for(;;)
+	io::direction::B() = 0xFF;
+
+	// OCR0A
+	auto& val = memory(0x47);
+
+	// TCCR0B
+	memory(0x45) = 0x05;
+	// TCCR0A
+	memory(0x44) = 0xC3;
+
+
+	uint8_t i = 0x00;
+	for (;;)
 	{
-		blink();
-		_delay_ms(333);
+		do
+		{
+			i <<= 1;
+			i |= 1;
+			val = i;
+			_delay_ms(500);
+		} while (0xFF != i);
+		do
+		{
+			i >>= 1;
+			val = i;
+			_delay_ms(500);
+		} while (i);
 	}
 }