mod00 ready for correction

module00/ex03/macros.h

@@ -0,0 +1,54 @@
+#ifndef HEADERS_H
+#define HEADERS_H
+
+// stringify
+#define STRINGIFY_HELPER(x)			#x
+#define STRINGIFY(x)				STRINGIFY_HELPER(x)
+
+// concatenate
+#define CONCAT_HELPER(x, y)			x ## y
+#define CONCAT(x, y)				CONCAT_HELPER(x, y)
+
+// get argument
+#define ARG_1(v1, v2)				v1
+#define ARG_2(v1, v2)				v2
+#define GET_PORT(args)				ARG_1 args
+#define GET_BIT(args)				ARG_2 args
+
+// actions on registers
+#define SET(register, bit)			register |= 1 << bit
+#define CLEAR(register, bit)		register &= ~(1 << bit)
+#define TEST(register, bit)			register & 1 << bit
+#define TOGGLE(register, bit)		register ^= 1 << bit
+
+// actions on elements
+#define SET_ELEM(elem)				SET(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
+#define CLEAR_ELEM(elem)			CLEAR(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
+#define TEST_ELEM(elem)				TEST(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
+#define TOGGLE_ELEM(elem)			TOGGLE(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
+#define MODE_OUTPUT(elem)			SET(CONCAT(DDR, GET_PORT(elem)), GET_BIT(elem))
+#define MODE_INPUT(elem)			CLEAR(CONCAT(DDR, GET_PORT(elem)), GET_BIT(elem))
+#define TOGGLE_PIN(elem)			SET(CONCAT(PIN, GET_PORT(elem)), GET_BIT(elem))
+#define TEST_PIN(elem)				(TEST(CONCAT(PIN, GET_PORT(elem)), GET_BIT(elem)))
+#define IS_PIN_SET(elem)			(TEST_PIN(elem) == 0)
+#define IS_PIN_CLEAR(elem)			(TEST_PIN(elem) == 1)
+
+// bits
+#define D1	0
+#define D2	1
+#define D3	2
+#define D4	4
+#define SW1	2
+#define SW2	4
+
+// elements (port, bit)
+#define LED1	(B, D1)
+#define LED2	(B, D2)
+#define LED3	(B, D3)
+#define LED4	(B, D4)
+#define BUTTON1	(D, SW1)
+#define BUTTON2	(D, SW2)
+
+#define BUTTON(id)	
+
+#endif