mirror of
https://github.com/eddyem/stm32samples.git
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53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*
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* matrixkbd.h
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*
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* Copyright 2015 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <stdint.h>
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#include <stdlib.h>
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#include <libopencm3/stm32/rcc.h>
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#include <libopencm3/stm32/gpio.h>
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void matrixkbd_init();
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void get_matrixkbd(char *prsd, char *rlsd);
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// timeout for keyboard checkout
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#define KBD_TIMEOUT 50
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// kbd ports for clock_enable
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#define KBD_RCC_PORT_CLOCK (RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN)
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// Rows pins & ports: PB15, 13, 11 & 10
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#define ROW1_PORT (GPIOB)
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#define ROW1_PIN (GPIO15)
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#define ROW2_PORT (GPIOB)
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#define ROW2_PIN (GPIO13)
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#define ROW3_PORT (GPIOB)
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#define ROW3_PIN (GPIO11)
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#define ROW4_PORT (GPIOB)
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#define ROW4_PIN (GPIO10)
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// Columns pins & ports: PB1, PA7 & PA5
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#define COL1_PORT (GPIOB)
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#define COL1_PIN (GPIO1)
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#define COL2_PORT (GPIOA)
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#define COL2_PIN (GPIO7)
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#define COL3_PORT (GPIOA)
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#define COL3_PIN (GPIO5)
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//#define COL4_PORT ()
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//#define COL4_PIN ()
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