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61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/*
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* Copyright (C) 2023 Gunar Schorcht
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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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* @defgroup cpu_stm32_lcd_fmc STM32 FMC/FSMC LCD low-level parallel interface driver
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* @ingroup cpu_stm32
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*
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* @{
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*/
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#ifndef LCD_FMC_H
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#define LCD_FMC_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 Number of LCDs using FMC banks
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*
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* It represents the number of elements in LCD FMC bank descriptor array of
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* type @ref lcd_fmc_desc_t. Because it is used by the preprocessor, it has
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* to be defined as a number. It is not possible to use the @ref ARRAY_SIZE
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* macro here.
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*
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* @note `LCD_FMC_NUMOF` has to be equal to the number of elements in the
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* LCD FMC bank descriptor array of type @ref lcd_fmc_desc_t.
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*/
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#if DOXYGEN
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#define LCD_FMC_NUMOF 1
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#endif
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/**
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* @brief Descriptor of the FMC bank used for a LCD
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*
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* The board definition has to specify the array @ref lcd_fmc_desc of type
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* @ref lcd_fmc_desc_t which defines the FMC banks and the address offsets used
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* for the LCD displays that are connected to FMC banks.
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*
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* @note In the case that multiple LCDs are connected to FMC banks, the FMC
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* bank descriptors for LCDs of type @ref lcd_fmc_desc_t
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* must be defined in same order as the LCD devices.
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*/
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typedef struct {
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const fmc_bank_conf_t *bank; /**< FMC bank config used for the LCD */
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uint32_t cmd_offset; /**< offset to the bank address used for commands */
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uint32_t data_offset; /**< offset to the bank address used for data */
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} lcd_fmc_desc_t;
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#ifdef __cplusplus
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}
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#endif
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#endif /* LCD_FMC_H */
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/** @} */
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