61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
#ifndef BITMANIP_H
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#define BITMANIP_H
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#include "utils.h"
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// Bit operations on registers
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#define SET(register, bit) (register |= (1 << (bit)))
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#define CLEAR(register, bit) (register &= ~(1 << (bit)))
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#define TEST(register, bit) (register & (1 << (bit)))
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#define TOGGLE(register, bit) (register ^= (1 << (bit)))
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// Get arguments from tuple-like definitions
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#define ARG_1(v1, v2) v1
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#define ARG_2(v1, v2) v2
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#define GET_PORT(args) ARG_1 args
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#define GET_BIT(args) ARG_2 args
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// // version with "LED1 B, D1" without parenthesis
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// #define ARG_1(v1, ...) v1
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// #define ARG_2(v1, v2, ...) v2
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// #define GET_PORT(...) ARG_1(__VA_ARGS__)
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// #define GET_BIT(...) ARG_2(__VA_ARGS__)
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// Actions on elements
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// #define SET_ELEM(...) SET(CONCAT(PORT, GET_PORT(__VA_ARGS__)), GET_BIT(__VA_ARGS__)) // version for "LED1 B, D1" without parenthesis
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#define SET_ELEM(elem) SET(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
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#define CLEAR_ELEM(elem) CLEAR(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
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#define TEST_ELEM(elem) TEST(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
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#define TOGGLE_ELEM(elem) TOGGLE(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
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#define MODE_OUTPUT(elem) SET(CONCAT(DDR, GET_PORT(elem)), GET_BIT(elem))
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#define MODE_INPUT(elem) CLEAR(CONCAT(DDR, GET_PORT(elem)), GET_BIT(elem))
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#define TOGGLE_PIN(elem) SET(CONCAT(PIN, GET_PORT(elem)), GET_BIT(elem))
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#define TEST_PIN(elem) (TEST(CONCAT(PIN, GET_PORT(elem)), GET_BIT(elem)))
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#define IS_PIN_SET(elem) (TEST_PIN(elem) == 0)
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#define IS_PIN_CLEAR(elem) (TEST_PIN(elem) == 1)
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#define PULLUP_ON(elem) SET(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
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#define PULLUP_OFF(elem) CLEAR(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
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// Bit definitions (<pin number> // <pin name>)
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#define D1 0 // PB0
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#define D2 1 // PB1
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#define D3 2 // PB2
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#define D4 4 // PB4
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#define SW1 2 // PD2
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#define SW2 4 // PD4
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#define D5B 3 // PD3
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#define D5R 5 // PD5
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#define D5G 6 // PD6
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// Elements (port, bit)
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#define LED1 (B, D1)
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#define LED2 (B, D2)
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#define LED3 (B, D3)
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#define LED4 (B, D4)
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#define BUTTON1 (D, SW1)
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#define BUTTON2 (D, SW2)
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#define RGB5_BLUE (D, D5B)
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#define RGB5_RED (D, D5R)
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#define RGB5_GEEN (D, D5G)
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#endif // BITMANIP_H
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