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84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
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* geany_encoding=koi8-r
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* hardware.h
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*
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* Copyright 2018 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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*/
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#pragma once
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#ifndef __HARDWARE_H__
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#define __HARDWARE_H__
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#include "stm32f1.h"
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#include "screen.h"
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// define this if screen colors are negative
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// #define SCREEN_IS_NEGATIVE
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// define if nOE is negative
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#define NOE_IS_NEGATIVE
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// LED0 - PC13 (bluepill), blinking each second
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#define LED0_port GPIOC
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#define LED0_pin (1<<13)
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// USB pullup (not present in bluepill) - PA15
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#define USBPU_port GPIOA
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#define USBPU_pin (1<<15)
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#define USBPU_ON() pin_set(USBPU_port, USBPU_pin)
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#define USBPU_OFF() pin_clear(USBPU_port, USBPU_pin)
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#define LED_blink(x) pin_toggle(x ## _port, x ## _pin)
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#define LED_on(x) pin_clear(x ## _port, x ## _pin)
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#define LED_off(x) pin_set(x ## _port, x ## _pin)
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// SPI DMA channel
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#define DMA_SPI_Channel DMA1_Channel3
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// SCREEN PINs: A,B,C,D - PB6-PB9; LAT - PB5; nOE - PB4
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// CLK - PA6 (TIM3_CH1)
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// colors: PA0..PA5
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#define COLR_port GPIOA
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#define COLR_pin (0x3f)
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#define ADDR_port GPIOB
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#define ADDR_roll (6)
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#define ADDR_pin (0xf<<ADDR_roll)
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#define LAT_port GPIOB
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#define LAT_pin (1<<5)
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#define nOE_port GPIOB
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#define nOE_pin (1<<4)
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#define SET(x) pin_set(x ## _port, x ## _pin)
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#define CLEAR(x) pin_clear(x ## _port, x ## _pin)
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#define TOGGLE(x) pin_toggle(x ## _port, x ## _pin)
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#ifdef NOE_IS_NEGATIVE
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#define SCRN_ENBL() SET(nOE)
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#define SCRN_DISBL() CLEAR(nOE)
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#else
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#define SCRN_ENBL() CLEAR(nOE)
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#define SCRN_DISBL() SET(nOE)
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#endif
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void iwdg_setup();
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void hw_setup();
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void TIM_DMA_transfer(uint8_t blknum);
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void stopTIMDMA();
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void ConvertScreenBuf(uint8_t *sbuf, uint8_t Nrow, uint8_t Ntick);
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extern uint8_t transfer_done;
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#endif // __HARDWARE_H__
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