63 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // Copyright 2021 Nick Brassel (@tzarc)
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| // SPDX-License-Identifier: GPL-2.0-or-later
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| 
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| #include "color.h"
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| #include "qp_internal.h"
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| 
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| #ifdef QUANTUM_PAINTER_SPI_ENABLE
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| #    include "qp_comms_spi.h"
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| #endif // QUANTUM_PAINTER_SPI_ENABLE
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| 
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| ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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| // Common TFT panel implementation using D/C, and RST pins.
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| 
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| // Driver vtable with extras
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| struct tft_panel_dc_reset_painter_driver_vtable_t {
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|     struct painter_driver_vtable_t base; // must be first, so it can be cast to/from the painter_driver_vtable_t* type
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| 
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|     // Number of bytes for transmitting x/y coordinates
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|     uint8_t num_window_bytes;
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| 
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|     // Whether or not the x/y coords should be swapped on 90/270 rotation
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|     bool swap_window_coords;
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| 
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|     // Opcodes for normal display operation
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|     struct {
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|         uint8_t display_on;
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|         uint8_t display_off;
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|         uint8_t set_column_address;
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|         uint8_t set_row_address;
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|         uint8_t enable_writes;
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|     } opcodes;
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| };
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| 
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| // Device definition
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| typedef struct tft_panel_dc_reset_painter_device_t {
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|     struct painter_driver_t base; // must be first, so it can be cast to/from the painter_device_t* type
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| 
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|     union {
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| #ifdef QUANTUM_PAINTER_SPI_ENABLE
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|         // SPI-based configurables
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|         struct qp_comms_spi_dc_reset_config_t spi_dc_reset_config;
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| #endif // QUANTUM_PAINTER_SPI_ENABLE
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| 
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|         // TODO: I2C/parallel etc.
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|     };
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| } tft_panel_dc_reset_painter_device_t;
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| 
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| ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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| // Forward declarations for injecting into concrete driver vtables
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| 
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| bool qp_tft_panel_power(painter_device_t device, bool power_on);
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| bool qp_tft_panel_clear(painter_device_t device);
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| bool qp_tft_panel_flush(painter_device_t device);
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| bool qp_tft_panel_viewport(painter_device_t device, uint16_t left, uint16_t top, uint16_t right, uint16_t bottom);
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| bool qp_tft_panel_pixdata(painter_device_t device, const void *pixel_data, uint32_t native_pixel_count);
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| 
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| bool qp_tft_panel_palette_convert_rgb565_swapped(painter_device_t device, int16_t palette_size, qp_pixel_t *palette);
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| bool qp_tft_panel_palette_convert_rgb888(painter_device_t device, int16_t palette_size, qp_pixel_t *palette);
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| 
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| bool qp_tft_panel_append_pixels_rgb565(painter_device_t device, uint8_t *target_buffer, qp_pixel_t *palette, uint32_t pixel_offset, uint32_t pixel_count, uint8_t *palette_indices);
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| bool qp_tft_panel_append_pixels_rgb888(painter_device_t device, uint8_t *target_buffer, qp_pixel_t *palette, uint32_t pixel_offset, uint32_t pixel_count, uint8_t *palette_indices);
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| 
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| bool qp_tft_panel_append_pixdata(painter_device_t device, uint8_t *target_buffer, uint32_t pixdata_offset, uint8_t pixdata_byte);
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