98 lines
2.8 KiB
C

/*
* hardware.h - definition of ports pins & so on
*
* Copyright 2018 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#pragma once
#ifndef __HARDWARE_H__
#define __HARDWARE_H__
#include "stm8s.h"
extern volatile unsigned long Global_time; // global time in ms
extern U8 MCU_no;
// macro for using in port constructions like PORT(LED_PORT, ODR) = xx
#define FORMPORT(a, b) a ## _ ## b
#define PORT(a, b) FORMPORT(a , b)
#define CONCAT(a, b) a ## b
/**
* HW:
* PB0-3 motor0 push-pull output
* PB4 M0E1 pullup input
* PB5 M0E2 pullup input
* PC1-3 PWM push-pull output
* PC4 - LED push-pull output
* PC5-7 Addr floating input (externall pull-down)
* PD0-3 motor1 push-pull output
* PD4 M1E1 pullup input
* PD5 - Tx open-drain output \ UART
* PD6 - Rx floating input /
* PD7 M1E2 pullup input
*/
// PWM
#define PWM_PINS (7<<1)
// LED
#define LED_PORT PC
#define LED_PIN GPIO_PIN4
// Address
#define ADDR_MASK (7<<5)
#define GET_ADDR() ((PC_IDR & ADDR_MASK)>>5)
// UART2_TX
#define UART_PORT PD
#define UART_TX_PIN GPIO_PIN5
// steppers
#define STP0_PORT PB
#define STP1_PORT PD
#define STP_PINS (0x0f)
// end-switches
#define M0E1_PORT PB
#define M0E2_PORT PB
#define M1E1_PORT PD
#define M1E2_PORT PD
#define M0E1_PIN (1<<4)
#define M0E2_PIN (1<<5)
#define M1E1_PIN (1<<7)
#define M1E2_PIN (1<<4)
// getters: 1 active, 0 inactive
// inverse state of LED
#define LED_NSTATE() (PORT(LED_PORT, ODR) & LED_PIN)
// end-switches (0 - shuttered)
#define CHK_M0E1() (0 == (PORT(M0E1_PORT, IDR) & M0E1_PIN))
#define CHK_M0E2() (0 == (PORT(M0E2_PORT, IDR) & M0E2_PIN))
#define CHK_M1E1() (0 == (PORT(M1E1_PORT, IDR) & M1E1_PIN))
#define CHK_M1E2() (0 == (PORT(M1E2_PORT, IDR) & M1E2_PIN))
// setters
#define LED_OFF() (PORT(LED_PORT, ODR) |= LED_PIN)
#define LED_ON() (PORT(LED_PORT, ODR) &= ~LED_PIN)
// getters
void hw_init();
#endif // __HARDWARE_H__