74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
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/*
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Author: J.F. van der Bent
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W Pielage & E Helmond
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Date: 24-11-2021
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Revision: 5
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keys.c:
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Keyboard-driver for SpARM-board v1
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pin-info:
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PD1 - R2
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PD2 - R3
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PD3 - R4
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PD6 - K1
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PD7 - K2
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PD8 - K3
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PD9 - K4
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PD11 - R1
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To use the keyboard first initialize the ports:
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KEYS_init();
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After that, you can use polling to read a key with:
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KEYS_read();
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07-07-2014 toevoeging defines key values
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*/
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/****************Libraries******************************/
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/* Libraries needed for Keys are (These are in main.h):
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* #include "stm32f4xx.h"
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* #include "stm32f4xx_gpio.h"
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* #include "stm32f4xx_syscfg.h"
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*/
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/****************Defines********************************/
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#define KEY_R1 GPIO_PIN_11
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#define KEY_R2 GPIO_PIN_1
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#define KEY_R3 GPIO_PIN_2
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#define KEY_R4 GPIO_PIN_3
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#define KEY_ROW (KEY_R1 | KEY_R2 | KEY_R3 | KEY_R4)
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#define PKEY_ROW GPIOD
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#define KEY_K1 GPIO_PIN_6
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#define KEY_K2 GPIO_PIN_7
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#define KEY_K3 GPIO_PIN_8
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#define KEY_K4 GPIO_PIN_9
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#define KEY_COL (KEY_K1 | KEY_K2 | KEY_K3 | KEY_K4)
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#define PKEY_COL GPIOD
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/****************Function Prototypes********************/
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unsigned int KEYS_kolom (void);
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unsigned int KEYS_read (void);
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void KEYS_init (void);
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void KEYS_initISR(int);
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// Key map
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#define key_1 1
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#define key_2 2
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#define key_3 3
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#define key_4 5
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#define key_5 6
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#define key_6 7
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#define key_7 9
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#define key_8 10
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#define key_9 11
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#define key_0 14
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#define key_s 13 // Star
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#define key_h 15 // Hash
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#define key_a 4
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#define key_b 8
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#define key_c 12
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#define key_d 16
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