189 lines
9.5 KiB
C
189 lines
9.5 KiB
C
/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-09-13 xuzhuoyi first implementation
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*/
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#ifndef __DRV_LCD_H__
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#define __DRV_LCD_H__
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#include <rtdevice.h>
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#include "stm32f4xx_hal.h"
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#define ILI9341_HSYNC ((uint32_t)9) /* Horizontal synchronization */
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#define ILI9341_HBP ((uint32_t)29) /* Horizontal back porch */
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#define ILI9341_HFP ((uint32_t)2) /* Horizontal front porch */
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#define ILI9341_VSYNC ((uint32_t)1) /* Vertical synchronization */
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#define ILI9341_VBP ((uint32_t)3) /* Vertical back porch */
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#define ILI9341_VFP ((uint32_t)2) /* Vertical front porch */
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/**
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* @brief ILI9341 Registers
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*/
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/* Level 1 Commands */
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#define LCD_SWRESET 0x01 /* Software Reset */
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#define LCD_READ_DISPLAY_ID 0x04 /* Read display identification information */
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#define LCD_RDDST 0x09 /* Read Display Status */
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#define LCD_RDDPM 0x0A /* Read Display Power Mode */
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#define LCD_RDDMADCTL 0x0B /* Read Display MADCTL */
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#define LCD_RDDCOLMOD 0x0C /* Read Display Pixel Format */
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#define LCD_RDDIM 0x0D /* Read Display Image Format */
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#define LCD_RDDSM 0x0E /* Read Display Signal Mode */
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#define LCD_RDDSDR 0x0F /* Read Display Self-Diagnostic Result */
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#define LCD_SPLIN 0x10 /* Enter Sleep Mode */
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#define LCD_SLEEP_OUT 0x11 /* Sleep out register */
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#define LCD_PTLON 0x12 /* Partial Mode ON */
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#define LCD_NORMAL_MODE_ON 0x13 /* Normal Display Mode ON */
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#define LCD_DINVOFF 0x20 /* Display Inversion OFF */
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#define LCD_DINVON 0x21 /* Display Inversion ON */
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#define LCD_GAMMA 0x26 /* Gamma register */
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#define LCD_DISPLAY_OFF 0x28 /* Display off register */
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#define LCD_DISPLAY_ON 0x29 /* Display on register */
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#define LCD_COLUMN_ADDR 0x2A /* Colomn address register */
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#define LCD_PAGE_ADDR 0x2B /* Page address register */
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#define LCD_GRAM 0x2C /* GRAM register */
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#define LCD_RGBSET 0x2D /* Color SET */
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#define LCD_RAMRD 0x2E /* Memory Read */
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#define LCD_PLTAR 0x30 /* Partial Area */
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#define LCD_VSCRDEF 0x33 /* Vertical Scrolling Definition */
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#define LCD_TEOFF 0x34 /* Tearing Effect Line OFF */
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#define LCD_TEON 0x35 /* Tearing Effect Line ON */
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#define LCD_MAC 0x36 /* Memory Access Control register*/
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#define LCD_VSCRSADD 0x37 /* Vertical Scrolling Start Address */
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#define LCD_IDMOFF 0x38 /* Idle Mode OFF */
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#define LCD_IDMON 0x39 /* Idle Mode ON */
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#define LCD_PIXEL_FORMAT 0x3A /* Pixel Format register */
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#define LCD_WRITE_MEM_CONTINUE 0x3C /* Write Memory Continue */
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#define LCD_READ_MEM_CONTINUE 0x3E /* Read Memory Continue */
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#define LCD_SET_TEAR_SCANLINE 0x44 /* Set Tear Scanline */
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#define LCD_GET_SCANLINE 0x45 /* Get Scanline */
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#define LCD_WDB 0x51 /* Write Brightness Display register */
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#define LCD_RDDISBV 0x52 /* Read Display Brightness */
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#define LCD_WCD 0x53 /* Write Control Display register*/
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#define LCD_RDCTRLD 0x54 /* Read CTRL Display */
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#define LCD_WRCABC 0x55 /* Write Content Adaptive Brightness Control */
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#define LCD_RDCABC 0x56 /* Read Content Adaptive Brightness Control */
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#define LCD_WRITE_CABC 0x5E /* Write CABC Minimum Brightness */
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#define LCD_READ_CABC 0x5F /* Read CABC Minimum Brightness */
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#define LCD_READ_ID1 0xDA /* Read ID1 */
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#define LCD_READ_ID2 0xDB /* Read ID2 */
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#define LCD_READ_ID3 0xDC /* Read ID3 */
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/* Level 2 Commands */
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#define LCD_RGB_INTERFACE 0xB0 /* RGB Interface Signal Control */
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#define LCD_FRMCTR1 0xB1 /* Frame Rate Control (In Normal Mode) */
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#define LCD_FRMCTR2 0xB2 /* Frame Rate Control (In Idle Mode) */
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#define LCD_FRMCTR3 0xB3 /* Frame Rate Control (In Partial Mode) */
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#define LCD_INVTR 0xB4 /* Display Inversion Control */
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#define LCD_BPC 0xB5 /* Blanking Porch Control register */
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#define LCD_DFC 0xB6 /* Display Function Control register */
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#define LCD_ETMOD 0xB7 /* Entry Mode Set */
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#define LCD_BACKLIGHT1 0xB8 /* Backlight Control 1 */
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#define LCD_BACKLIGHT2 0xB9 /* Backlight Control 2 */
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#define LCD_BACKLIGHT3 0xBA /* Backlight Control 3 */
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#define LCD_BACKLIGHT4 0xBB /* Backlight Control 4 */
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#define LCD_BACKLIGHT5 0xBC /* Backlight Control 5 */
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#define LCD_BACKLIGHT7 0xBE /* Backlight Control 7 */
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#define LCD_BACKLIGHT8 0xBF /* Backlight Control 8 */
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#define LCD_POWER1 0xC0 /* Power Control 1 register */
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#define LCD_POWER2 0xC1 /* Power Control 2 register */
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#define LCD_VCOM1 0xC5 /* VCOM Control 1 register */
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#define LCD_VCOM2 0xC7 /* VCOM Control 2 register */
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#define LCD_NVMWR 0xD0 /* NV Memory Write */
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#define LCD_NVMPKEY 0xD1 /* NV Memory Protection Key */
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#define LCD_RDNVM 0xD2 /* NV Memory Status Read */
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#define LCD_READ_ID4 0xD3 /* Read ID4 */
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#define LCD_PGAMMA 0xE0 /* Positive Gamma Correction register */
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#define LCD_NGAMMA 0xE1 /* Negative Gamma Correction register */
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#define LCD_DGAMCTRL1 0xE2 /* Digital Gamma Control 1 */
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#define LCD_DGAMCTRL2 0xE3 /* Digital Gamma Control 2 */
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#define LCD_INTERFACE 0xF6 /* Interface control register */
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/* Extend register commands */
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#define LCD_POWERA 0xCB /* Power control A register */
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#define LCD_POWERB 0xCF /* Power control B register */
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#define LCD_DTCA 0xE8 /* Driver timing control A */
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#define LCD_DTCB 0xEA /* Driver timing control B */
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#define LCD_POWER_SEQ 0xED /* Power on sequence register */
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#define LCD_3GAMMA_EN 0xF2 /* 3 Gamma enable register */
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#define LCD_PRC 0xF7 /* Pump ratio control register */
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/* Size of read registers */
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#define LCD_READ_ID4_SIZE 3 /* Size of Read ID4 */
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#define ABS(X) ((X) > 0 ? (X) : -(X))
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#define CSX_Pin GPIO_PIN_2
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#define CSX_GPIO_Port GPIOC
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#define RDX_Pin GPIO_PIN_12
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#define RDX_GPIO_Port GPIOD
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#define WRX_DCX_Pin GPIO_PIN_13
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#define WRX_DCX_GPIO_Port GPIOD
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/* Chip Select macro definition */
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#define LCD_CS_LOW() HAL_GPIO_WritePin(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, GPIO_PIN_RESET)
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#define LCD_CS_HIGH() HAL_GPIO_WritePin(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, GPIO_PIN_SET)
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/* Set WRX High to send data */
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#define LCD_WRX_LOW() HAL_GPIO_WritePin(LCD_WRX_GPIO_PORT, LCD_WRX_PIN, GPIO_PIN_RESET)
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#define LCD_WRX_HIGH() HAL_GPIO_WritePin(LCD_WRX_GPIO_PORT, LCD_WRX_PIN, GPIO_PIN_SET)
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/* Set WRX High to send data */
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#define LCD_RDX_LOW() HAL_GPIO_WritePin(LCD_RDX_GPIO_PORT, LCD_RDX_PIN, GPIO_PIN_RESET)
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#define LCD_RDX_HIGH() HAL_GPIO_WritePin(LCD_RDX_GPIO_PORT, LCD_RDX_PIN, GPIO_PIN_SET)
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/**
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* @brief LCD Control pin
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*/
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#define LCD_NCS_PIN GPIO_PIN_2
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#define LCD_NCS_GPIO_PORT GPIOC
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#define LCD_NCS_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
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#define LCD_NCS_GPIO_CLK_DISABLE() __HAL_RCC_GPIOC_CLK_DISABLE()
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/**
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* @}
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*/
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/**
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* @brief LCD Command/data pin
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*/
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#define LCD_WRX_PIN GPIO_PIN_13
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#define LCD_WRX_GPIO_PORT GPIOD
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#define LCD_WRX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE()
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#define LCD_WRX_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE()
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#define LCD_RDX_PIN GPIO_PIN_12
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#define LCD_RDX_GPIO_PORT GPIOD
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#define LCD_RDX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE()
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#define LCD_RDX_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE()
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/*############################### SPIx #######################################*/
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#define DISCOVERY_SPIx SPI5
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#define DISCOVERY_SPIx_CLK_ENABLE() __HAL_RCC_SPI5_CLK_ENABLE()
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#define DISCOVERY_SPIx_GPIO_PORT GPIOF /* GPIOF */
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#define DISCOVERY_SPIx_AF GPIO_AF5_SPI5
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#define DISCOVERY_SPIx_GPIO_CLK_ENABLE() __HAL_RCC_GPIOF_CLK_ENABLE()
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#define DISCOVERY_SPIx_GPIO_CLK_DISABLE() __HAL_RCC_GPIOF_CLK_DISABLE()
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#define DISCOVERY_SPIx_SCK_PIN GPIO_PIN_7 /* PF.07 */
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#define DISCOVERY_SPIx_MISO_PIN GPIO_PIN_8 /* PF.08 */
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#define DISCOVERY_SPIx_MOSI_PIN GPIO_PIN_9 /* PF.09 */
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/* Maximum Timeout values for flags waiting loops. These timeouts are not based
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on accurate values, they just guarantee that the application will not remain
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stuck if the SPI communication is corrupted.
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You may modify these timeout values depending on CPU frequency and application
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conditions (interrupts routines ...). */
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#define SPIx_TIMEOUT_MAX ((uint32_t)0x1000)
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int rt_lcd_init(void);
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#endif
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