mod01 update headers and descriptions

module02/ex00/bitmanip.h

@@ -0,0 +1,47 @@
+#ifndef BITMANIP_H
+#define BITMANIP_H
+
+#include "utils.h"
+
+// Bit operations 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)))
+
+// Get arguments from tuple-like definitions
+#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 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)
+
+// Bit definitions
+#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)
+
+#endif // BITMANIP_H

module02/ex00/timer.h

@@ -0,0 +1,15 @@
+#ifndef TIMER_H
+#define TIMER_H
+
+#define PRESCALE_VALUE				1024		// can be 1, 8, 64, 256, 1024
+// table 16-5 : prescale sets
+#define PRESCALE_SET(value)  \
+									((value) == 1   ? (0<<CS12 | 0<<CS11 | 1<<CS10) : \
+									 (value) == 8   ? (0<<CS12 | 1<<CS11 | 0<<CS10) : \
+									 (value) == 64  ? (0<<CS12 | 1<<CS11 | 1<<CS10) : \
+									 (value) == 256 ? (1<<CS12 | 0<<CS11 | 0<<CS10) : \
+									 (value) == 1024? (1<<CS12 | 0<<CS11 | 1<<CS10) : \
+													  (0<<CS12 | 0<<CS11 | 0<<CS10))
+#define TIME_MS(ms)					(((F_CPU / PRESCALE_VALUE) * ms) / 1000)
+
+#endif // TIMER_H

module02/ex00/utils.h

@@ -0,0 +1,15 @@
+#ifndef UTILS_H
+#define UTILS_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)
+
+// mathematics
+#define PERCENT(percent, total)		(((float)percent / 100) * total)
+
+#endif // UTILS_H