* Install dependencies before executing unit tests. * Split out UTF-8 decoder. * Fixup python formatting rules. * Add documentation for QGF/QFF and the RLE format used. * Add CLI commands for converting images and fonts. * Add stub rules.mk for QP. * Add stream type. * Add base driver and comms interfaces. * Add support for SPI, SPI+D/C comms drivers. * Include <qp.h> when enabled. * Add base support for SPI+D/C+RST panels, as well as concrete implementation of ST7789. * Add support for GC9A01. * Add support for ILI9341. * Add support for ILI9163. * Add support for SSD1351. * Implement qp_setpixel, including pixdata buffer management. * Implement qp_line. * Implement qp_rect. * Implement qp_circle. * Implement qp_ellipse. * Implement palette interpolation. * Allow for streams to work with either flash or RAM. * Image loading. * Font loading. * QGF palette loading. * Progressive decoder of pixel data supporting Raw+RLE, 1-,2-,4-,8-bpp monochrome and palette-based images. * Image drawing. * Animations. * Font rendering. * Check against 256 colours, dump out the loaded palette if debugging enabled. * Fix build. * AVR is not the intended audience. * `qmk format-c` * Generation fix. * First batch of docs. * More docs and examples. * Review comments. * Public API documentation.
		
			
				
	
	
		
			121 lines
		
	
	
	
		
			5.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
	
		
			5.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// Copyright 2021 Nick Brassel (@tzarc)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "qp_internal.h"
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#include "qp_comms.h"
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#include "qp_ili9163.h"
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#include "qp_ili9xxx_opcodes.h"
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#include "qp_tft_panel.h"
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#ifdef QUANTUM_PAINTER_ILI9163_SPI_ENABLE
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#    include "qp_comms_spi.h"
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#endif // QUANTUM_PAINTER_ILI9163_SPI_ENABLE
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Common
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// Driver storage
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tft_panel_dc_reset_painter_device_t ili9163_drivers[ILI9163_NUM_DEVICES] = {0};
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Initialization
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bool qp_ili9163_init(painter_device_t device, painter_rotation_t rotation) {
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    // clang-format off
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    const uint8_t ili9163_init_sequence[] = {
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        // Command,                 Delay,  N, Data[N]
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        ILI9XXX_CMD_RESET,            120,  0,
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        ILI9XXX_CMD_SLEEP_OFF,          5,  0,
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        ILI9XXX_SET_PIX_FMT,            0,  1, 0x55,
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        ILI9XXX_SET_GAMMA,              0,  1, 0x04,
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        ILI9XXX_ENABLE_3_GAMMA,         0,  1, 0x01,
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        ILI9XXX_SET_FUNCTION_CTL,       0,  2, 0xFF, 0x06,
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        ILI9XXX_SET_PGAMMA,             0, 15, 0x36, 0x29, 0x12, 0x22, 0x1C, 0x15, 0x42, 0xB7, 0x2F, 0x13, 0x12, 0x0A, 0x11, 0x0B, 0x06,
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        ILI9XXX_SET_NGAMMA,             0, 15, 0x09, 0x16, 0x2D, 0x0D, 0x13, 0x15, 0x40, 0x48, 0x53, 0x0C, 0x1D, 0x25, 0x2E, 0x34, 0x39,
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        ILI9XXX_SET_FRAME_CTL_NORMAL,   0,  2, 0x08, 0x02,
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        ILI9XXX_SET_POWER_CTL_1,        0,  2, 0x0A, 0x02,
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        ILI9XXX_SET_POWER_CTL_2,        0,  1, 0x02,
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        ILI9XXX_SET_VCOM_CTL_1,         0,  2, 0x50, 0x63,
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        ILI9XXX_SET_VCOM_CTL_2,         0,  1, 0x00,
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        ILI9XXX_CMD_PARTIAL_OFF,        0,  0,
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        ILI9XXX_CMD_DISPLAY_ON,        20,  0
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    };
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    // clang-format on
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    qp_comms_bulk_command_sequence(device, ili9163_init_sequence, sizeof(ili9163_init_sequence));
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    // Configure the rotation (i.e. the ordering and direction of memory writes in GRAM)
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    const uint8_t madctl[] = {
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        [QP_ROTATION_0]   = ILI9XXX_MADCTL_BGR,
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        [QP_ROTATION_90]  = ILI9XXX_MADCTL_BGR | ILI9XXX_MADCTL_MX | ILI9XXX_MADCTL_MV,
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        [QP_ROTATION_180] = ILI9XXX_MADCTL_BGR | ILI9XXX_MADCTL_MX | ILI9XXX_MADCTL_MY,
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        [QP_ROTATION_270] = ILI9XXX_MADCTL_BGR | ILI9XXX_MADCTL_MV | ILI9XXX_MADCTL_MY,
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    };
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    qp_comms_command_databyte(device, ILI9XXX_SET_MEM_ACS_CTL, madctl[rotation]);
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    return true;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Driver vtable
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const struct tft_panel_dc_reset_painter_driver_vtable_t ili9163_driver_vtable = {
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    .base =
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        {
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            .init            = qp_ili9163_init,
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            .power           = qp_tft_panel_power,
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            .clear           = qp_tft_panel_clear,
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            .flush           = qp_tft_panel_flush,
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            .pixdata         = qp_tft_panel_pixdata,
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            .viewport        = qp_tft_panel_viewport,
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            .palette_convert = qp_tft_panel_palette_convert,
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            .append_pixels   = qp_tft_panel_append_pixels,
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        },
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    .rgb888_to_native16bit = qp_rgb888_to_rgb565_swapped,
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    .num_window_bytes      = 2,
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    .swap_window_coords    = false,
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    .opcodes =
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        {
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            .display_on         = ILI9XXX_CMD_DISPLAY_ON,
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            .display_off        = ILI9XXX_CMD_DISPLAY_OFF,
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            .set_column_address = ILI9XXX_SET_COL_ADDR,
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            .set_row_address    = ILI9XXX_SET_PAGE_ADDR,
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            .enable_writes      = ILI9XXX_SET_MEM,
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        },
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// SPI
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#ifdef QUANTUM_PAINTER_ILI9163_SPI_ENABLE
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// Factory function for creating a handle to the ILI9163 device
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painter_device_t qp_ili9163_make_spi_device(uint16_t panel_width, uint16_t panel_height, pin_t chip_select_pin, pin_t dc_pin, pin_t reset_pin, uint16_t spi_divisor, int spi_mode) {
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    for (uint32_t i = 0; i < ILI9163_NUM_DEVICES; ++i) {
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        tft_panel_dc_reset_painter_device_t *driver = &ili9163_drivers[i];
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        if (!driver->base.driver_vtable) {
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            driver->base.driver_vtable         = (const struct painter_driver_vtable_t *)&ili9163_driver_vtable;
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            driver->base.comms_vtable          = (const struct painter_comms_vtable_t *)&spi_comms_with_dc_vtable;
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            driver->base.panel_width           = panel_width;
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            driver->base.panel_height          = panel_height;
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            driver->base.rotation              = QP_ROTATION_0;
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            driver->base.offset_x              = 0;
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            driver->base.offset_y              = 0;
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            driver->base.native_bits_per_pixel = 16; // RGB565
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            // SPI and other pin configuration
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            driver->base.comms_config                              = &driver->spi_dc_reset_config;
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            driver->spi_dc_reset_config.spi_config.chip_select_pin = chip_select_pin;
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            driver->spi_dc_reset_config.spi_config.divisor         = spi_divisor;
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            driver->spi_dc_reset_config.spi_config.lsb_first       = false;
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            driver->spi_dc_reset_config.spi_config.mode            = spi_mode;
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            driver->spi_dc_reset_config.dc_pin                     = dc_pin;
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            driver->spi_dc_reset_config.reset_pin                  = reset_pin;
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            return (painter_device_t)driver;
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        }
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    }
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    return NULL;
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}
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#endif // QUANTUM_PAINTER_ILI9163_SPI_ENABLE
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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