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这几天我先学习下基本操作，外设搞熟练了才好优化。
另外记得之前的介绍是有2D加速的，看官方手册里面的框图，没有2D加速功能，是简单的DMA通信。如果是DMA的话，跟2D加速还是有很大区别的，最明显的区别是自带DMA是跑不过2D加速的，之前我在F429上专门测试过这个问题，之前测试的结果是2D加速至少要是内部CPU或者自带DMA刷图片的2倍。
下面官方提供的这个代码有点简陋，没有做任何加速，而且函数GUI_X_GetTime和GUI_X_Delay的实现是有问题的。
- /*
- * Copyright (c) 2016, Freescale Semiconductor, Inc.
- * Copyright 2016-2017 NXP
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * o Redistributions of source code must retain the above copyright notice, this list
- * of conditions and the following disclaimer.
- *
- * o Redistributions in binary form must reproduce the above copyright notice, this
- * list of conditions and the following disclaimer in the documentation and/or
- * other materials provided with the distribution.
- *
- * o Neither the name of the copyright holder nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include "GUI.h"
- #include "WM.h"
- #include "emwin_support.h"
- #include "GUIDRV_Lin.h"
- #include "fsl_debug_console.h"
- #include "fsl_elcdif.h"
- #include "fsl_lpi2c.h"
- #include "fsl_ft5406_rt.h"
- /*
- ** Define everything necessary for different color depths
- */
- #if LCD_BITS_PER_PIXEL == 8 /* Palette definition for LUT */
- static uint32_t lutData[ELCDIF_LUT_ENTRY_NUM];
- static const LCD_COLOR _aColors_256[] = {
- 0x000000, 0x000033, 0x000066, 0x000099, 0x0000CC, 0x0000FF, 0x003300, 0x003333, 0x003366, 0x003399, 0x0033CC,
- 0x0033FF, 0x006600, 0x006633, 0x006666, 0x006699, 0x0066CC, 0x0066FF, 0x009900, 0x009933, 0x009966, 0x009999,
- 0x0099CC, 0x0099FF, 0x00CC00, 0x00CC33, 0x00CC66, 0x00CC99, 0x00CCCC, 0x00CCFF, 0x00FF00, 0x00FF33, 0x00FF66,
- 0x00FF99, 0x00FFCC, 0x00FFFF, 0x330000, 0x330033, 0x330066, 0x330099, 0x3300CC, 0x3300FF, 0x333300, 0x333333,
- 0x333366, 0x333399, 0x3333CC, 0x3333FF, 0x336600, 0x336633, 0x336666, 0x336699, 0x3366CC, 0x3366FF, 0x339900,
- 0x339933, 0x339966, 0x339999, 0x3399CC, 0x3399FF, 0x33CC00, 0x33CC33, 0x33CC66, 0x33CC99, 0x33CCCC, 0x33CCFF,
- 0x33FF00, 0x33FF33, 0x33FF66, 0x33FF99, 0x33FFCC, 0x33FFFF, 0x660000, 0x660033, 0x660066, 0x660099, 0x6600CC,
- 0x6600FF, 0x663300, 0x663333, 0x663366, 0x663399, 0x6633CC, 0x6633FF, 0x666600, 0x666633, 0x666666, 0x666699,
- 0x6666CC, 0x6666FF, 0x669900, 0x669933, 0x669966, 0x669999, 0x6699CC, 0x6699FF, 0x66CC00, 0x66CC33, 0x66CC66,
- 0x66CC99, 0x66CCCC, 0x66CCFF, 0x66FF00, 0x66FF33, 0x66FF66, 0x66FF99, 0x66FFCC, 0x66FFFF, 0x000000, 0x000000,
- 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
- 0x111111, 0x222222, 0x333333, 0x444444, 0x555555, 0x666666, 0x777777, 0x888888, 0x999999, 0xAAAAAA, 0xBBBBBB,
- 0xCCCCCC, 0xDDDDDD, 0xEEEEEE, 0xFFFFFF, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
- 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x990000, 0x990033, 0x990066, 0x990099, 0x9900CC, 0x9900FF,
- 0x993300, 0x993333, 0x993366, 0x993399, 0x9933CC, 0x9933FF, 0x996600, 0x996633, 0x996666, 0x996699, 0x9966CC,
- 0x9966FF, 0x999900, 0x999933, 0x999966, 0x999999, 0x9999CC, 0x9999FF, 0x99CC00, 0x99CC33, 0x99CC66, 0x99CC99,
- 0x99CCCC, 0x99CCFF, 0x99FF00, 0x99FF33, 0x99FF66, 0x99FF99, 0x99FFCC, 0x99FFFF, 0xCC0000, 0xCC0033, 0xCC0066,
- 0xCC0099, 0xCC00CC, 0xCC00FF, 0xCC3300, 0xCC3333, 0xCC3366, 0xCC3399, 0xCC33CC, 0xCC33FF, 0xCC6600, 0xCC6633,
- 0xCC6666, 0xCC6699, 0xCC66CC, 0xCC66FF, 0xCC9900, 0xCC9933, 0xCC9966, 0xCC9999, 0xCC99CC, 0xCC99FF, 0xCCCC00,
- 0xCCCC33, 0xCCCC66, 0xCCCC99, 0xCCCCCC, 0xCCCCFF, 0xCCFF00, 0xCCFF33, 0xCCFF66, 0xCCFF99, 0xCCFFCC, 0xCCFFFF,
- 0xFF0000, 0xFF0033, 0xFF0066, 0xFF0099, 0xFF00CC, 0xFF00FF, 0xFF3300, 0xFF3333, 0xFF3366, 0xFF3399, 0xFF33CC,
- 0xFF33FF, 0xFF6600, 0xFF6633, 0xFF6666, 0xFF6699, 0xFF66CC, 0xFF66FF, 0xFF9900, 0xFF9933, 0xFF9966, 0xFF9999,
- 0xFF99CC, 0xFF99FF, 0xFFCC00, 0xFFCC33, 0xFFCC66, 0xFFCC99, 0xFFCCCC, 0xFFCCFF, 0xFFFF00, 0xFFFF33, 0xFFFF66,
- 0xFFFF99, 0xFFFFCC, 0xFFFFFF
- };
- static const LCD_PHYSPALETTE _aPalette_256 = {ARRAY_SIZE(_aColors_256), _aColors_256};
- #endif
- #if LCD_BITS_PER_PIXEL < 32 /* Buffer definitions for emwin and LCD framebuffer */
- AT_NONCACHEABLE_SECTION_ALIGN(uint8_t s_gui_memory[GUI_NUMBYTES * LCD_BYTES_PER_PIXEL], FRAME_BUFFER_ALIGN);
- AT_NONCACHEABLE_SECTION_ALIGN(uint8_t s_vram_buffer[VRAM_SIZE * GUI_BUFFERS * LCD_BYTES_PER_PIXEL], FRAME_BUFFER_ALIGN);
- #else
- uint32_t s_gui_memory[(GUI_NUMBYTES)];
- uint32_t s_vram_buffer[VRAM_SIZE * GUI_BUFFERS];
- #endif
- /* Memory address definitions */
- #define GUI_MEMORY_ADDR ((uint32_t)s_gui_memory)
- #define VRAM_ADDR ((uint32_t)s_vram_buffer)
- static volatile int32_t s_LCDpendingBuffer = -1;
- /*******************************************************************************
- * Implementation of PortAPI for emWin LCD driver
- ******************************************************************************/
- /* Enable interrupt. */
- void BOARD_EnableLcdInterrupt(void)
- {
- EnableIRQ(LCDIF_IRQn);
- }
- void APP_LCDIF_IRQHandler(void)
- {
- uint32_t intStatus;
- intStatus = ELCDIF_GetInterruptStatus(APP_ELCDIF);
- ELCDIF_ClearInterruptStatus(APP_ELCDIF, intStatus);
- if (intStatus & kELCDIF_CurFrameDone)
- {
- if (s_LCDpendingBuffer >= 0)
- {
- /* Send a confirmation that the given buffer is visible */
- GUI_MULTIBUF_Confirm(s_LCDpendingBuffer);
- s_LCDpendingBuffer = -1;
- }
- }
- /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
- exception return operation might vector to incorrect interrupt */
- #if defined __CORTEX_M && (__CORTEX_M == 4U)
- __DSB();
- #endif
- }
- void LCDIF_IRQHandler(void)
- {
- APP_LCDIF_IRQHandler();
- }
- void APP_ELCDIF_Init(void)
- {
- const elcdif_rgb_mode_config_t config = {
- .panelWidth = APP_IMG_WIDTH,
- .panelHeight = APP_IMG_HEIGHT,
- .hsw = APP_HSW,
- .hfp = APP_HFP,
- .hbp = APP_HBP,
- .vsw = APP_VSW,
- .vfp = APP_VFP,
- .vbp = APP_VBP,
- .polarityFlags = APP_POL_FLAGS,
- .bufferAddr = VRAM_ADDR,
- .pixelFormat = ELCDIF_PIXEL_FORMAT,
- .dataBus = APP_LCDIF_DATA_BUS,
- };
- ELCDIF_RgbModeInit(APP_ELCDIF, &config);
- #if (LCD_BITS_PER_PIXEL == 8)
- /* Load the LUT data. */
- ELCDIF_UpdateLut(APP_ELCDIF, kELCDIF_Lut0, 0, lutData, ELCDIF_LUT_ENTRY_NUM);
- ELCDIF_EnableLut(APP_ELCDIF, true);
- #endif
- BOARD_EnableLcdInterrupt();
- ELCDIF_EnableInterrupts(APP_ELCDIF, kELCDIF_CurFrameDoneInterruptEnable);
- NVIC_EnableIRQ(LCDIF_IRQn);
- ELCDIF_RgbModeStart(APP_ELCDIF);
- }
- /*******************************************************************************
- * Implementation of communication with the touch controller
- ******************************************************************************/
- /* Touch driver handle. */
- static ft5406_rt_handle_t touchHandle;
- static void BOARD_Touch_Init(void)
- {
- lpi2c_master_config_t masterConfig = {0};
- /*
- * masterConfig.debugEnable = false;
- * masterConfig.ignoreAck = false;
- * masterConfig.pinConfig = kLPI2C_2PinOpenDrain;
- * masterConfig.baudRate_Hz = 100000U;
- * masterConfig.busIdleTimeout_ns = 0;
- * masterConfig.pinLowTimeout_ns = 0;
- * masterConfig.sdaGlitchFilterWidth_ns = 0;
- * masterConfig.sclGlitchFilterWidth_ns = 0;
- */
- LPI2C_MasterGetDefaultConfig(&masterConfig);
- /* Change the default baudrate configuration */
- masterConfig.baudRate_Hz = BOARD_TOUCH_I2C_BAUDRATE;
- /* Initialize the LPI2C master peripheral */
- LPI2C_MasterInit(BOARD_TOUCH_I2C, &masterConfig, BOARD_TOUCH_I2C_CLOCK_FREQ);
- /* Initialize the touch handle. */
- FT5406_RT_Init(&touchHandle, BOARD_TOUCH_I2C);
- }
- void BOARD_Touch_Deinit(void)
- {
- LPI2C_MasterDeinit(BOARD_TOUCH_I2C);
- }
- int BOARD_Touch_Poll(void)
- {
- touch_event_t touch_event;
- int touch_x;
- int touch_y;
- GUI_PID_STATE pid_state;
- if (kStatus_Success != FT5406_RT_GetSingleTouch(&touchHandle, &touch_event, &touch_x, &touch_y))
- {
- return 0;
- }
- else if (touch_event != kTouch_Reserved)
- {
- pid_state.x = touch_y;
- pid_state.y = touch_x;
- pid_state.Pressed = ((touch_event == kTouch_Down) || (touch_event == kTouch_Contact));
- pid_state.Layer = 0;
- GUI_TOUCH_StoreStateEx(&pid_state);
- return 1;
- }
- return 0;
- }
- /*******************************************************************************
- * Application implemented functions required by emWin library
- ******************************************************************************/
- void LCD_X_Config(void)
- {
- GUI_MULTIBUF_Config(GUI_BUFFERS);
- GUI_DEVICE_CreateAndLink(DISPLAY_DRIVER, COLOR_CONVERSION, 0, 0);
- LCD_SetSizeEx(0, LCD_WIDTH, LCD_HEIGHT);
- LCD_SetVSizeEx(0, LCD_WIDTH, LCD_HEIGHT);
- LCD_SetVRAMAddrEx(0, (void *)VRAM_ADDR);
- #if (LCD_BITS_PER_PIXEL == 8)
- LCD_SetLUT(&_aPalette_256);
- #endif
- BOARD_Touch_Init();
- }
- int LCD_X_DisplayDriver(unsigned LayerIndex, unsigned Cmd, void *p)
- {
- uint32_t addr;
- #if (LCD_BITS_PER_PIXEL == 8)
- uint16_t colorR, colorG, colorB;
- uint32_t color;
- #endif
- int result = 0;
- LCD_X_SHOWBUFFER_INFO *pData;
- switch (Cmd)
- {
- case LCD_X_INITCONTROLLER:
- {
- APP_ELCDIF_Init();
- break;
- }
- case LCD_X_SHOWBUFFER:
- {
- pData = (LCD_X_SHOWBUFFER_INFO *)p;
- /* Calculate address of the given buffer */
- addr = VRAM_ADDR + VRAM_SIZE * pData->Index;
- /* Make the given buffer visible */
- ELCDIF_SetNextBufferAddr(APP_ELCDIF, addr);
- //
- // Remember buffer index to be used by ISR
- //
- s_LCDpendingBuffer = pData->Index;
- while (s_LCDpendingBuffer >= 0)
- ;
- return 0;
- }
- #if (LCD_BITS_PER_PIXEL == 8)
- case LCD_X_SETLUTENTRY:
- {
- //
- // Required for setting a lookup table entry which is passed in the 'Pos' and 'Color' element of p
- //
- LCD_X_SETLUTENTRY_INFO *pData;
- pData = (LCD_X_SETLUTENTRY_INFO *)p;
- //
- // Call hardware routine to write a LUT entry to the controller
- //
- color = pData->Color;
- colorB = (color & 0xFF0000) >> 16;
- colorG = (color & 0x00FF00) >> 8;
- colorR = (color & 0x0000FF);
- /* 16-bit bus */
- lutData[pData->Pos] = ((colorR >> 3) << 11) | ((colorG >> 2) << 5) | ((colorB >> 3) << 0);
- return 0;
- }
- #endif
- default:
- result = -1;
- break;
- }
- return result;
- }
- void GUI_X_Config(void)
- {
- /* Assign work memory area to emWin */
- GUI_ALLOC_AssignMemory((void *)GUI_MEMORY_ADDR, GUI_NUMBYTES);
- /* Select default font */
- GUI_SetDefaultFont(GUI_FONT_6X8);
- }
- void GUI_X_Init(void)
- {
- }
- /* Dummy RTOS stub required by emWin */
- void GUI_X_InitOS(void)
- {
- }
- /* Dummy RTOS stub required by emWin */
- void GUI_X_Lock(void)
- {
- }
- /* Dummy RTOS stub required by emWin */
- void GUI_X_Unlock(void)
- {
- }
- /* Dummy RTOS stub required by emWin */
- U32 GUI_X_GetTaskId(void)
- {
- return 0;
- }
- void GUI_X_ExecIdle(void)
- {
- }
- GUI_TIMER_TIME GUI_X_GetTime(void)
- {
- return 0;
- }
- void GUI_X_Delay(int Period)
- {
- volatile int i;
- for (; Period > 0; Period--)
- {
- for (i = 15000; i > 0; i--)
- ;
- }
- }
- void *emWin_memcpy(void *pDst, const void *pSrc, long size)
- {
- return memcpy(pDst, pSrc, size);
- }
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发表于 2018-5-2 08:52:35
发表于 2018-5-2 08:57:14
楼主
。DMAMUX，多触发源，通道链接，scatter-gather都是fsl玩剩好多年的东西
