43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2014 Nikolay Merinov <nikolay.merinov@member.fsf.org>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libopencm3/stm32/l1/lcd.h>
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void lcd_enable(void)
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{
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LCD_CR |= LCD_CR_LCDEN;
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while ((LCD_SR & LCD_SR_ENS) == 0);
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}
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void lcd_wait_step_up_ready(void)
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{
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while ((LCD_SR & LCD_SR_RDY) == 0);
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}
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void lcd_wait_for_update_ready(void)
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{
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while ((LCD_SR & LCD_SR_UDR) != 0);
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}
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void lcd_update(void)
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{
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LCD_SR |= LCD_SR_UDR;
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}
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