169 lines
4.7 KiB
C
169 lines
4.7 KiB
C
#ifndef _IT8951_H_
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#define _IT8951_H_
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#include <bcm2835.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include "miniGUI.h"
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#define CS 8
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#define HRDY 24
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#define RESET 17
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//prototype of structure
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//structure prototype 1
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typedef struct IT8951LdImgInfo
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{
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uint16_t usEndianType; //little or Big Endian
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uint16_t usPixelFormat; //bpp
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uint16_t usRotate; //Rotate mode
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uint32_t ulStartFBAddr; //Start address of source Frame buffer
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uint32_t ulImgBufBaseAddr;//Base address of target image buffer
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}IT8951LdImgInfo;
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//structure prototype 2
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typedef struct IT8951AreaImgInfo
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{
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uint16_t usX;
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uint16_t usY;
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uint16_t usWidth;
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uint16_t usHeight;
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}IT8951AreaImgInfo;
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typedef struct
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{
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uint16_t usPanelW;
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uint16_t usPanelH;
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uint16_t usImgBufAddrL;
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uint16_t usImgBufAddrH;
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uint16_t usFWVersion[8]; //16 Bytes String
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uint16_t usLUTVersion[8]; //16 Bytes String
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}IT8951DevInfo;
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//Built in I80 Command Code
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#define IT8951_TCON_SYS_RUN 0x0001
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#define IT8951_TCON_STANDBY 0x0002
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#define IT8951_TCON_SLEEP 0x0003
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#define IT8951_TCON_REG_RD 0x0010
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#define IT8951_TCON_REG_WR 0x0011
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#define IT8951_TCON_MEM_BST_RD_T 0x0012
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#define IT8951_TCON_MEM_BST_RD_S 0x0013
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#define IT8951_TCON_MEM_BST_WR 0x0014
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#define IT8951_TCON_MEM_BST_END 0x0015
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#define IT8951_TCON_LD_IMG 0x0020
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#define IT8951_TCON_LD_IMG_AREA 0x0021
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#define IT8951_TCON_LD_IMG_END 0x0022
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//I80 User defined command code
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#define USDEF_I80_CMD_DPY_AREA 0x0034
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#define USDEF_I80_CMD_GET_DEV_INFO 0x0302
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#define USDEF_I80_CMD_DPY_BUF_AREA 0x0037
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//Panel
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#define IT8951_PANEL_WIDTH 1024 //it Get Device information
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#define IT8951_PANEL_HEIGHT 758
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//Rotate mode
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#define IT8951_ROTATE_0 0
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#define IT8951_ROTATE_90 1
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#define IT8951_ROTATE_180 2
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#define IT8951_ROTATE_270 3
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//Pixel mode , BPP - Bit per Pixel
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#define IT8951_2BPP 0
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#define IT8951_3BPP 1
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#define IT8951_4BPP 2
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#define IT8951_8BPP 3
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//Waveform Mode
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#define IT8951_MODE_0 0
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#define IT8951_MODE_1 1
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#define IT8951_MODE_2 2
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#define IT8951_MODE_3 3
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#define IT8951_MODE_4 4
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//Endian Type
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#define IT8951_LDIMG_L_ENDIAN 0
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#define IT8951_LDIMG_B_ENDIAN 1
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//Auto LUT
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#define IT8951_DIS_AUTO_LUT 0
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#define IT8951_EN_AUTO_LUT 1
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//LUT Engine Status
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#define IT8951_ALL_LUTE_BUSY 0xFFFF
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//-----------------------------------------------------------------------
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// IT8951 TCon Registers defines
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//-----------------------------------------------------------------------
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//Register Base Address
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#define DISPLAY_REG_BASE 0x1000 //Register RW access for I80 only
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//Base Address of Basic LUT Registers
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#define LUT0EWHR (DISPLAY_REG_BASE + 0x00) //LUT0 Engine Width Height Reg
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#define LUT0XYR (DISPLAY_REG_BASE + 0x40) //LUT0 XY Reg
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#define LUT0BADDR (DISPLAY_REG_BASE + 0x80) //LUT0 Base Address Reg
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#define LUT0MFN (DISPLAY_REG_BASE + 0xC0) //LUT0 Mode and Frame number Reg
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#define LUT01AF (DISPLAY_REG_BASE + 0x114) //LUT0 and LUT1 Active Flag Reg
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//Update Parameter Setting Register
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#define UP0SR (DISPLAY_REG_BASE + 0x134) //Update Parameter0 Setting Reg
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#define UP1SR (DISPLAY_REG_BASE + 0x138) //Update Parameter1 Setting Reg
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#define LUT0ABFRV (DISPLAY_REG_BASE + 0x13C) //LUT0 Alpha blend and Fill rectangle Value
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#define UPBBADDR (DISPLAY_REG_BASE + 0x17C) //Update Buffer Base Address
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#define LUT0IMXY (DISPLAY_REG_BASE + 0x180) //LUT0 Image buffer X/Y offset Reg
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#define LUTAFSR (DISPLAY_REG_BASE + 0x224) //LUT Status Reg (status of All LUT Engines)
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#define BGVR (DISPLAY_REG_BASE + 0x250) //Bitmap (1bpp) image color table
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//-------System Registers----------------
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#define SYS_REG_BASE 0x0000
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//Address of System Registers
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#define I80CPCR (SYS_REG_BASE + 0x04)
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//-------Memory Converter Registers----------------
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#define MCSR_BASE_ADDR 0x0200
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#define MCSR (MCSR_BASE_ADDR + 0x0000)
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#define LISAR (MCSR_BASE_ADDR + 0x0008)
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void InterfaceInit(void);
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//void HostInit(void);
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uint8_t IT8951_Init(void);
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void IT8951_Cancel(void);
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void IT8951DisplayExample(void);
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void IT8951DisplayExample2(void);
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void IT8951Display1bppExample2(void);
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void IT8951DisplayExample3(void);
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void IT8951_GUI_Example(void);
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void IT8951_BMP_Example(uint32_t x, uint32_t y,char *path);
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//temp
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uint16_t IT8951ReadReg(uint16_t usRegAddr);
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void IT8951SetImgBufBaseAddr(uint32_t ulImgBufAddr);
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void LCDWaitForReady(void);
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void GetIT8951SystemInfo(void* pBuf);
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void gpio_i80_16b_cmd_out(uint16_t usCmd);
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void GPIO_Configuration_Out(void);
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void GPIO_Configuration_In(void);
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void IT8951DisplayClear(void);
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//uint16_t IT8951ReadReg(uint16_t usRegAddr);
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void IT8951WriteReg(uint16_t usRegAddr,uint16_t usValue);
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#endif
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