mirror of
https://github.com/eddyem/stm32samples.git
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96 lines
3.6 KiB
C
96 lines
3.6 KiB
C
/*
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* hardware_ini.h
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*
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* Copyright 2014 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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#pragma once
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#ifndef __HARDWARE_INI_H__
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#define __HARDWARE_INI_H__
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/*
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* Timers:
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* SysTick - system time
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*/
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void GPIO_init();
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void SysTick_init();
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/*
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* DMA to GPIO port & pins (mask) - PA0..PA7
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*/
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#define DMAGPIO_PORT GPIOA
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#define DMAGPIO_PINS 0xff
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#define DMAGPIO_TARGADDR ((uint32_t)&(GPIOA_ODR))
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#define LCD_write() do{gpio_set_mode(DMAGPIO_PORT, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, DMAGPIO_PINS);}while(0)
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//#define LCD_read() do{gpio_set_mode(DMAGPIO_PORT, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, DMAGPIO_PINS);}while(0)
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#define LCD_read() do{gpio_set_mode(DMAGPIO_PORT, GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, DMAGPIO_PINS); GPIO_ODR(DMAGPIO_PORT) = 0;}while(0)
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// LCD control pins (PB10..PB14)
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#define LCD_CONTROL_PORT GPIOB
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#define LCD_CS_PIN GPIO12
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#define LCD_RS_PIN GPIO11
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#define LCD_WR_PIN GPIO14
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#define LCD_RD_PIN GPIO13
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#define LCD_RST_PIN GPIO10
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// macro for control pins manipulation
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#define CS_set do{GPIO_BSRR(LCD_CONTROL_PORT) = LCD_CS_PIN;}while(0)
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#define RS_set do{GPIO_BSRR(LCD_CONTROL_PORT) = LCD_RS_PIN;}while(0)
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#define RD_set do{GPIO_BSRR(LCD_CONTROL_PORT) = LCD_RD_PIN;}while(0)
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#define WR_set do{GPIO_BSRR(LCD_CONTROL_PORT) = LCD_WR_PIN;}while(0)
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#define CS_clear do{GPIO_BSRR(LCD_CONTROL_PORT) = LCD_CS_PIN << 16;}while(0)
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#define RS_clear do{GPIO_BSRR(LCD_CONTROL_PORT) = LCD_RS_PIN << 16;}while(0)
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#define RD_clear do{GPIO_BSRR(LCD_CONTROL_PORT) = LCD_RD_PIN << 16;}while(0)
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#define WR_clear do{GPIO_BSRR(LCD_CONTROL_PORT) = LCD_WR_PIN << 16;}while(0)
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#define RST_set do{GPIO_BSRR(LCD_CONTROL_PORT) = LCD_RST_PIN;}while(0)
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#define RST_clear do{GPIO_BSRR(LCD_CONTROL_PORT) = LCD_RST_PIN << 16;}while(0)
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#define LCD_wrbyte(x) do{GPIO_ODR(DMAGPIO_PORT) = x;}while(0)
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/*
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#define LCD_wrbyte(x) do{GPIO_BSRR(DMAGPIO_PORT) = DMAGPIO_PINS << 16; \
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GPIO_BSRR(DMAGPIO_PORT) = x;}while(0)
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*/
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#define LCD_rdbyte() (GPIO_IDR(DMAGPIO_PORT) & DMAGPIO_PINS)
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/*
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* USB interface
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* connect boot1 jumper to gnd, boot0 to gnd; and reconnect boot0 to +3.3 to boot flash
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*/
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/*
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// USB_DICS (disconnect) - PC11
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#define USB_DISC_PIN GPIO11
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#define USB_DISC_PORT GPIOC
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// USB_POWER (high level when USB connected to PC)
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#define USB_POWER_PIN GPIO10
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#define USB_POWER_PORT GPIOC
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// change signal level on USB diconnect pin
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#define usb_disc_high() gpio_set(USB_DISC_PORT, USB_DISC_PIN)
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#define usb_disc_low() gpio_clear(USB_DISC_PORT, USB_DISC_PIN)
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// in case of n-channel FET on 1.5k pull-up change on/off disconnect means low level
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// in case of pnp bipolar transistor or p-channel FET on 1.5k pull-up disconnect means high level
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#define usb_disconnect() usb_disc_high()
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#define usb_connect() usb_disc_low()
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*/
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// my simple devboard have no variants for programmed connection/disconnection of USB
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#define usb_disconnect()
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#define usb_connect()
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#endif // __HARDWARE_INI_H__
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