41 lines
764 B
C
41 lines
764 B
C
#ifndef __KEY_MATRIX_H__
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#define __KEY_MATRIX_H__
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// Includes:
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#include "fsl_common.h"
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#include "fsl_port.h"
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// Macros:
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#define MAX_KEYS_IN_MATRIX 100
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// Typedefs:
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typedef struct {
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PORT_Type *port;
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GPIO_Type *gpio;
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clock_ip_name_t clock;
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uint32_t pin;
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} key_matrix_pin_t;
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typedef struct {
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uint8_t colNum;
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uint8_t rowNum;
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uint8_t currentRowNum;
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key_matrix_pin_t *cols;
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key_matrix_pin_t *rows;
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uint8_t keyStates[MAX_KEYS_IN_MATRIX];
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} key_matrix_t;
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// Variables:
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extern uint8_t DebounceTimePress, DebounceTimeRelease;
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// Functions:
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void KeyMatrix_Init(key_matrix_t *keyMatrix);
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void KeyMatrix_ScanRow(key_matrix_t *keyMatrix);
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#endif
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