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https://github.com/RIOT-OS/RIOT.git
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97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
/*
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* Copyright (C) 2021 Inria
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup cpu_stm32
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* @{
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*
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* @file
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* @brief LTDC CPU specific definitions for the STM32 family
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*
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* @author Alexandre Abadie <alexandre.abadie@inria.fr>
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*/
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#ifndef PERIPH_CPU_LTDC_H
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#define PERIPH_CPU_LTDC_H
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#include <stdint.h>
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#include "periph/cpu_gpio.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief LTDC GPIO configuration
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*/
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typedef struct {
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gpio_t pin; /**< GPIO pin */
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gpio_af_t af; /**< Alternate function */
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} ltdc_gpio_t;
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/**
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* @brief LTDC Peripheral configuration
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*/
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typedef struct {
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uint8_t bus; /**< APB bus */
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uint32_t rcc_mask; /**< bit in clock enable register */
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ltdc_gpio_t clk_pin; /**< CLK pin */
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ltdc_gpio_t de_pin; /**< Data enable pin */
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ltdc_gpio_t hsync_pin; /**< Horizontal synchronization pin */
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ltdc_gpio_t vsync_pin; /**< Vertical synchronization pin */
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ltdc_gpio_t r_pin[8]; /**< Red color pins */
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ltdc_gpio_t g_pin[8]; /**< Green color pins */
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ltdc_gpio_t b_pin[8]; /**< Blue color pins */
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uint8_t hsync; /**< Horizontal synchronization */
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uint8_t vsync; /**< Vertical synchronization */
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uint8_t hbp; /**< Horizontal back porch */
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uint8_t hfp; /**< Horizontal front porch */
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uint8_t vbp; /**< Vertical back porch */
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uint8_t vfp; /**< Vertical front porch */
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} ltdc_conf_t;
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/**
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* @brief Initialize the LTDC (LCD-TFT Display Controller) peripheral
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*/
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void ltdc_init(void);
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/**
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* @brief Clear the LTDC display
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*/
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void ltdc_clear(void);
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/**
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* @brief Map a buffer of RGB565 (16bit depth) colors to the display
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*
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* @param[in] x1 horizontal start position
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* @param[in] x2 horizontal end position (included)
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* @param[in] y1 vertical start position
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* @param[in] y2 vertical end position (included)
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* @param[in] color the color buffer
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*/
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void ltdc_map(uint16_t x1, uint16_t x2, uint16_t y1, uint16_t y2, const uint16_t *color);
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/**
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* @brief Fill a region of the display with the same color
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*
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* @param[in] x1 horizontal start position
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* @param[in] x2 horizontal end position (included)
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* @param[in] y1 vertical start position
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* @param[in] y2 vertical end position (included)
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* @param[in] color the color value in RGB565 format (16bit depth)
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*/
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void ltdc_fill(uint16_t x1, uint16_t x2, uint16_t y1, uint16_t y2, const uint16_t color);
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#ifdef __cplusplus
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}
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#endif
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#endif /* PERIPH_CPU_LTDC_H */
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/** @} */
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