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[examples] RpPico with ST7789 display
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cocasema
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Aug 23, 2022
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/* | ||
* Copyright (c) 2022, Nikolay Semenov | ||
* | ||
* This file is part of the modm project. | ||
* | ||
* This Source Code Form is subject to the terms of the Mozilla Public | ||
* License, v. 2.0. If a copy of the MPL was not distributed with this | ||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
*/ | ||
// ---------------------------------------------------------------------------- | ||
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#include <modm/board.hpp> | ||
#include <modm/driver/display/st7789.hpp> | ||
#include <modm/driver/display/st7789/st7789_spi_interface.hpp> | ||
#include <modm/processing/timer/periodic_timer.hpp> | ||
#include <modm/src/modm/ui/display/image/skull_64x64.hpp> | ||
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struct Display | ||
{ | ||
using Spi = SpiMaster0; | ||
using Cs = modm::platform::Gpio17; | ||
using Sck = modm::platform::Gpio18; | ||
using Miso = modm::platform::GpioUnused; | ||
using Mosi = modm::platform::Gpio19; | ||
using DataCommands = modm::platform::Gpio20; | ||
using Reset = modm::platform::Gpio21; | ||
using Backlight = modm::platform::GpioUnused; | ||
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using Interface = modm::St7789SPIInterface<Spi, Cs, Reset, DataCommands>; | ||
}; | ||
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constexpr std::array<modm::color::Rgb565, 10> colors{ | ||
modm::color::html::Black, modm::color::html::Red, modm::color::html::Green, | ||
modm::color::html::Blue, modm::color::html::Cyan, modm::color::html::Magenta, | ||
modm::color::html::Yellow, modm::color::html::Gray, modm::color::html::Orange, | ||
modm::color::html::White, | ||
}; | ||
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uint32_t | ||
rand(uint32_t limit) | ||
{ | ||
static uint32_t rand_next = 0; | ||
rand_next = rand_next * 1103515245 + 12345; | ||
return (uint32_t)(rand_next / 65536) % limit; | ||
} | ||
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int | ||
main() | ||
{ | ||
Board::initialize(); | ||
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Uart0::connect<GpioOutput1::Rx>(); | ||
Uart0::initialize<Board::SystemClock, 115200_Bd>(); | ||
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modm::IODeviceWrapper<Uart0, modm::IOBuffer::BlockIfFull> terminal; | ||
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Display::Spi::connect<Display::Sck::Sclk, Display::Mosi::Tx>(); | ||
Display::Spi::initialize<Board::SystemClock, 62_MHz>(); | ||
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using LCD = modm::St7789<Display::Interface, 240, 240>; | ||
LCD lcd; | ||
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lcd.initialize(); | ||
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lcd.clear(); | ||
lcd.drawImage({88, 88}, modm::accessor::asFlash(bitmap::skull_64x64)); | ||
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while (true) | ||
{ | ||
char c = 0; | ||
if (terminal.read(c)) | ||
{ | ||
if ('0' <= c && c <= '9') | ||
{ | ||
lcd.clear(colors[c - '0'].color); | ||
} else if (c == 'f') | ||
{ | ||
for (size_t i = 0; i < 1000; ++i) | ||
{ | ||
lcd.setColor(colors[i % colors.size()]); | ||
lcd.drawCircle({rand(lcd.getWidth()), rand(lcd.getHeight())}, 16); | ||
} | ||
} else if (c == 'r') | ||
{ | ||
static uint8_t orientation = 0; | ||
lcd.setOrientation((LCD::Driver::Orientation)(orientation++ % 4)); | ||
} else if (c == 's' || c == 'S') | ||
{ | ||
lcd.setSleep(c == 's'); | ||
} else if (c == 'i' || c == 'I') | ||
{ | ||
lcd.setIdle(c == 'i'); | ||
} else if (c == 'o' || c == 'O') | ||
{ | ||
c == 'o' ? lcd.turnOff() : lcd.turnOn(); | ||
} else if (c == 'v' || c == 'V') | ||
{ | ||
lcd.setInversion(c == 'V'); | ||
} else if (c == 'b' || c == 'B') | ||
{ | ||
lcd.setRgbBgrOrder(c == 'b' ? LCD::Driver::RgbBgrOrder::BGR | ||
: LCD::Driver::RgbBgrOrder::RGB); | ||
} | ||
} | ||
} | ||
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return 0; | ||
} |
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<library> | ||
<extends>modm:rp-pico</extends> | ||
<options> | ||
<option name="modm:build:build.path">../../../build/rp_pico/st7789</option> | ||
</options> | ||
<modules> | ||
<module>modm:platform:spi:0</module> | ||
<module>modm:platform:uart:0</module> | ||
<module>modm:processing:timer</module> | ||
<module>modm:driver:st7789</module> | ||
<module>modm:build:scons</module> | ||
</modules> | ||
</library> |