139 lines
3.9 KiB
C++
139 lines
3.9 KiB
C++
/*
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* Copyright (C) 2019 Max Regan
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "DisplayTimeTask.h"
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#include "SystemTime.h"
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#include "font-notomono-29.h"
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#include "font-notomono-68.h"
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using Common::ReturnCode;
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using Common::Time;
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using Common::Schedule::NextTime;
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static const font &font_large = font_notomono_68;
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static const font &font_default = font_notomono_29;
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DisplayTimeTask::DisplayTimeTask(BSP::DisplayDriver &driver)
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: m_driver(driver)
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, m_has_cleared(false)
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, m_last_time()
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, m_display_seconds(true)
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{}
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static char get_char_for_digit(uint8_t bcd_digit)
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{
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if (bcd_digit > 9) {
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return '0';
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}
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return bcd_digit + '0';
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}
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ReturnCode DisplayTimeTask::init()
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{
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SET_TO(GPIOA->MODER, GPIO_MODER_MODE0, 1u << GPIO_MODER_MODE1_Pos);
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GPIOA->OTYPER &= ~GPIO_OTYPER_OT_1;
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GPIOA->PUPDR &= ~GPIO_PUPDR_PUPD1;
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GPIOA->PUPDR |= 2u << GPIO_PUPDR_PUPD1_Pos;
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return ReturnCode::OK;
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}
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void DisplayTimeTask::display_number(uint32_t x, uint32_t y, uint32_t tens, uint32_t ones, const font &f)
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{
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char time_str[3] = { 0 };
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time_str[0] = get_char_for_digit(tens);
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time_str[1] = get_char_for_digit(ones);
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time_str[2] = '\0';
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m_driver.string_at(x, y, time_str, &f);
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}
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void DisplayTimeTask::display_time()
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{
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BSP::time_bcd time;
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BSP::RtcDriver::get_time(time);
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if (!m_has_cleared) {
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m_driver.clear();
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}
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int i = 0;
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SET(GPIOA->ODR, GPIO_ODR_OD1);
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CLR(GPIOA->ODR, GPIO_ODR_OD1);
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if (m_last_time.hour_tens != time.hour_tens ||
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m_last_time.hour_ones != time.hour_ones ||
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!m_has_cleared) {
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display_number(8, (i * font_default.size) + (i + 1) * 4, time.hour_tens, time.hour_ones, font_default);
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}
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SET(GPIOA->ODR, GPIO_ODR_OD1);
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CLR(GPIOA->ODR, GPIO_ODR_OD1);
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i++;
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if (m_last_time.minute_tens != time.minute_tens ||
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m_last_time.minute_ones != time.minute_ones ||
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!m_has_cleared) {
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display_number(8, (i * font_default.size) + (i + 1) * 4, time.minute_tens, time.minute_ones, font_default);
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}
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SET(GPIOA->ODR, GPIO_ODR_OD1);
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CLR(GPIOA->ODR, GPIO_ODR_OD1);
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i++;
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if (m_display_seconds) {
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if (m_last_time.second_tens != time.second_tens ||
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m_last_time.second_ones != time.second_ones ||
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!m_has_cleared) {
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display_number(8, (i * font_default.size) + (i + 1) * 4, time.second_tens, time.second_ones, font_default);
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}
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}
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// m_has_cleared = true;
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m_last_time = time;
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SET(GPIOA->ODR, GPIO_ODR_OD1);
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CLR(GPIOA->ODR, GPIO_ODR_OD1);
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m_driver.refresh();
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SET(GPIOA->ODR, GPIO_ODR_OD1);
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CLR(GPIOA->ODR, GPIO_ODR_OD1);
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}
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NextTime DisplayTimeTask::execute()
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{
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Common::time_t now;
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BSP::SystemTimer::get_time(now);
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uint32_t next_secs = Time::to_seconds(now) + 1;
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display_time();
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return NextTime::at(Time::seconds(next_secs));
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}
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