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rt-thread/bsp/stm32/stm32l4r9-st-eval/board/ports/drv_lcd_dsi.c

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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-01-10 zylx first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <board.h>
#ifdef BSP_USING_DSI
#include <lcd_port_dsi.h>
#include <string.h>
#include "drv_gpio.h"
#include "gfxmmu_lut_390x390_24bpp.h"
#define DRV_DEBUG
#define LOG_TAG "drv.lcd"
#include <drv_log.h>
static DSI_HandleTypeDef DsiHandle;
struct drv_lcd_dsi_device
{
struct rt_device parent;
struct rt_device_graphic_info lcd_info;
struct rt_semaphore lcd_lock;
rt_uint8_t *front_buf;
};
struct drv_lcd_dsi_device _lcd;
static DMA2D_HandleTypeDef Dma2dHandle;
static void CopyInVirtualBuffer(uint32_t *pSrc, uint32_t *pDst, uint16_t x, uint16_t y, uint16_t xsize, uint16_t ysize)
{
uint32_t destination = (uint32_t)pDst + (y * 390 + x) * 4;
uint32_t source = (uint32_t)pSrc;
Dma2dHandle.Instance = DMA2D;
/*##-1- Configure the DMA2D Mode, Color Mode and output offset #############*/
Dma2dHandle.Init.Mode = DMA2D_M2M_PFC;
Dma2dHandle.Init.ColorMode = DMA2D_OUTPUT_RGB888;
Dma2dHandle.Init.OutputOffset = 1024 - 390;
/* No Output Alpha Inversion */
Dma2dHandle.Init.AlphaInverted = DMA2D_REGULAR_ALPHA;
/* No Output Red & Blue swap */
Dma2dHandle.Init.RedBlueSwap = DMA2D_RB_REGULAR;
/* Regular output byte order */
Dma2dHandle.Init.BytesSwap = DMA2D_BYTES_REGULAR;
/* Pixel mode */
Dma2dHandle.Init.LineOffsetMode = DMA2D_LOM_PIXELS;
/*##-2- Foreground Configuration ###########################################*/
Dma2dHandle.LayerCfg[1].InputColorMode = DMA2D_INPUT_ARGB8888;
Dma2dHandle.LayerCfg[1].InputOffset = 0;
Dma2dHandle.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA;
/* Not used */
Dma2dHandle.LayerCfg[1].InputAlpha = 0xFF;
/* No ForeGround Red/Blue swap */
Dma2dHandle.LayerCfg[1].RedBlueSwap = DMA2D_RB_REGULAR;
/* No ForeGround Alpha inversion */
Dma2dHandle.LayerCfg[1].AlphaInverted = DMA2D_REGULAR_ALPHA;
/* DMA2D Initialization */
if (HAL_DMA2D_Init(&Dma2dHandle) == HAL_OK)
{
if (HAL_DMA2D_ConfigLayer(&Dma2dHandle, 1) == HAL_OK)
{
if (HAL_DMA2D_Start(&Dma2dHandle, source, destination, xsize, ysize) == HAL_OK)
{
/* Polling For DMA transfer */
HAL_DMA2D_PollForTransfer(&Dma2dHandle, 100);
}
}
}
}
static rt_err_t drv_lcd_init(struct rt_device *device)
{
struct drv_lcd_dsi_device *lcd = (struct drv_lcd_dsi_device *)device;
/* nothing, right now */
lcd = lcd;
return RT_EOK;
}
static rt_err_t drv_lcd_control(struct rt_device *device, int cmd, void *args)
{
struct drv_lcd_dsi_device *lcd = (struct drv_lcd_dsi_device *)device;
rt_uint8_t color = 0;
switch (cmd)
{
case RTGRAPHIC_CTRL_RECT_UPDATE:
{
/* update */
rt_sem_take(&_lcd.lcd_lock, RT_TICK_PER_SECOND / 20);
CopyInVirtualBuffer((uint32_t *)_lcd.lcd_info.framebuffer, (uint32_t *)LAYER_ADDRESS, 0, 0, 390, 390);
HAL_DSI_Refresh(&DsiHandle);
}
break;
case RTGRAPHIC_CTRL_GET_INFO:
{
struct rt_device_graphic_info *info = (struct rt_device_graphic_info *)args;
RT_ASSERT(info != RT_NULL);
info->pixel_format = lcd->lcd_info.pixel_format;
info->bits_per_pixel = 32;
info->width = lcd->lcd_info.width;
info->height = lcd->lcd_info.height;
info->framebuffer = lcd->lcd_info.framebuffer;
}
break;
}
return RT_EOK;
}
LTDC_HandleTypeDef LtdcHandle;
rt_err_t stm32_lcd_init(struct drv_lcd_dsi_device *lcd)
{
DSI_PLLInitTypeDef dsiPllInit = {0};
DSI_PHY_TimerTypeDef PhyTimings = {0};
DSI_HOST_TimeoutTypeDef HostTimeouts = {0};
DSI_LPCmdTypeDef LPCmd = {0};
DSI_CmdCfgTypeDef CmdCfg = {0};
GFXMMU_HandleTypeDef GfxmmuHandle = {0};
LTDC_LayerCfgTypeDef LayerCfg = {0};
/* GFXMMU CONFIGURATION */
__HAL_GFXMMU_RESET_HANDLE_STATE(&GfxmmuHandle);
GfxmmuHandle.Instance = GFXMMU;
GfxmmuHandle.Init.BlocksPerLine = GFXMMU_192BLOCKS;
GfxmmuHandle.Init.DefaultValue = 0xFFFFFFFF;
GfxmmuHandle.Init.Buffers.Buf0Address = (uint32_t)lcd->front_buf;
GfxmmuHandle.Init.Buffers.Buf1Address = 0;
GfxmmuHandle.Init.Buffers.Buf2Address = 0;
GfxmmuHandle.Init.Buffers.Buf3Address = 0;
GfxmmuHandle.Init.Interrupts.Activation = DISABLE;
GfxmmuHandle.Init.Interrupts.UsedInterrupts = GFXMMU_AHB_MASTER_ERROR_IT;
if (HAL_OK != HAL_GFXMMU_Init(&GfxmmuHandle))
{
return -RT_ERROR;
}
/* Initialize LUT */
if (HAL_OK != HAL_GFXMMU_ConfigLut(&GfxmmuHandle, 0, 390, (uint32_t) gfxmmu_lut_config_rgb888))
{
return -RT_ERROR;
}
/* Disable non visible lines : from line 390 to 1023 (634 lines) */
if (HAL_OK != HAL_GFXMMU_DisableLutLines(&GfxmmuHandle, 390, 634))
{
return -RT_ERROR;
}
/**********************/
/* LTDC CONFIGURATION */
/**********************/
/* LTDC initialization */
__HAL_LTDC_RESET_HANDLE_STATE(&LtdcHandle);
LtdcHandle.Instance = LTDC;
LtdcHandle.Init.HSPolarity = LTDC_HSPOLARITY_AL;
LtdcHandle.Init.VSPolarity = LTDC_VSPOLARITY_AL;
LtdcHandle.Init.DEPolarity = LTDC_DEPOLARITY_AL;
LtdcHandle.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
/* HSYNC width - 1 */
LtdcHandle.Init.HorizontalSync = 0;
/* VSYNC width - 1 */
LtdcHandle.Init.VerticalSync = 0;
/* HSYNC width + HBP - 1 */
LtdcHandle.Init.AccumulatedHBP = 1;
/* VSYNC width + VBP - 1 */
LtdcHandle.Init.AccumulatedVBP = 1;
/* HSYNC width + HBP + Active width - 1 */
LtdcHandle.Init.AccumulatedActiveW = 391;
/* VSYNC width + VBP + Active height - 1 */
LtdcHandle.Init.AccumulatedActiveH = 391;
/* HSYNC width + HBP + Active width + HFP - 1 */
LtdcHandle.Init.TotalWidth = 392;
/* VSYNC width + VBP + Active height + VFP - 1 */
LtdcHandle.Init.TotalHeigh = 392;
LtdcHandle.Init.Backcolor.Red = 0;
LtdcHandle.Init.Backcolor.Green = 0;
LtdcHandle.Init.Backcolor.Blue = 0;
LtdcHandle.Init.Backcolor.Reserved = 0xFF;
if (HAL_LTDC_Init(&LtdcHandle) != HAL_OK)
{
return -RT_ERROR;
}
/* LTDC layer 1 configuration */
LayerCfg.WindowX0 = 0;
LayerCfg.WindowX1 = 390;
LayerCfg.WindowY0 = 0;
LayerCfg.WindowY1 = 390;
LayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_RGB888;
LayerCfg.Alpha = 0xFF;
LayerCfg.Alpha0 = 0;
LayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
LayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
LayerCfg.FBStartAdress = LAYER_ADDRESS;
/* virtual frame buffer contains 768 pixels per line for 24bpp */
/* (192 blocs * 16) / (24bpp/3) = 1024 pixels per ligne */
LayerCfg.ImageWidth = 1024;
LayerCfg.ImageHeight = 390;
LayerCfg.Backcolor.Red = 0;
LayerCfg.Backcolor.Green = 0;
LayerCfg.Backcolor.Blue = 0;
LayerCfg.Backcolor.Reserved = 0xFF;
if (HAL_LTDC_ConfigLayer(&LtdcHandle, &LayerCfg, LTDC_LAYER_1) != HAL_OK)
{
return -RT_ERROR;
}
/*********************/
/* DSI CONFIGURATION */
/*********************/
/* DSI initialization */
__HAL_DSI_RESET_HANDLE_STATE(&DsiHandle);
DsiHandle.Instance = DSI;
DsiHandle.Init.AutomaticClockLaneControl = DSI_AUTO_CLK_LANE_CTRL_DISABLE;
/* We have 1 data lane at 500Mbps => lane byte clock at 500/8 = 62,5 MHZ */
/* We want TX escape clock at arround 20MHz and under 20MHz so clock division is set to 4 */
DsiHandle.Init.TXEscapeCkdiv = 4;
DsiHandle.Init.NumberOfLanes = DSI_ONE_DATA_LANE;
/* We have HSE value at 16 Mhz and we want data lane at 500Mbps */
dsiPllInit.PLLNDIV = 20;
dsiPllInit.PLLIDF = DSI_PLL_IN_DIV1;
dsiPllInit.PLLODF = DSI_PLL_OUT_DIV2;
if (HAL_DSI_Init(&DsiHandle, &dsiPllInit) != HAL_OK)
{
return -RT_ERROR;
}
/* Tclk-post + Tclk-trail + Ths-exit = [(60ns + 52xUI) + (60ns) + (300ns)]/16ns */
PhyTimings.ClockLaneHS2LPTime = 33;
/* Tlpx + (Tclk-prepare + Tclk-zero) + Tclk-pre = [150ns + 300ns + 8xUI]/16ns */
PhyTimings.ClockLaneLP2HSTime = 30;
/* Ths-trail + Ths-exit = [(60ns + 4xUI) + 100ns]/16ns */
PhyTimings.DataLaneHS2LPTime = 11;
/* Tlpx + (Ths-prepare + Ths-zero) + Ths-sync = [150ns + (145ns + 10xUI) + 8xUI]/16ns */
PhyTimings.DataLaneLP2HSTime = 21;
PhyTimings.DataLaneMaxReadTime = 0;
PhyTimings.StopWaitTime = 7;
if (HAL_DSI_ConfigPhyTimer(&DsiHandle, &PhyTimings) != HAL_OK)
{
return -RT_ERROR;
}
HostTimeouts.TimeoutCkdiv = 1;
HostTimeouts.HighSpeedTransmissionTimeout = 0;
HostTimeouts.LowPowerReceptionTimeout = 0;
HostTimeouts.HighSpeedReadTimeout = 0;
HostTimeouts.LowPowerReadTimeout = 0;
HostTimeouts.HighSpeedWriteTimeout = 0;
HostTimeouts.HighSpeedWritePrespMode = 0;
HostTimeouts.LowPowerWriteTimeout = 0;
HostTimeouts.BTATimeout = 0;
if (HAL_DSI_ConfigHostTimeouts(&DsiHandle, &HostTimeouts) != HAL_OK)
{
return -RT_ERROR;
}
LPCmd.LPGenShortWriteNoP = DSI_LP_GSW0P_ENABLE;
LPCmd.LPGenShortWriteOneP = DSI_LP_GSW1P_ENABLE;
LPCmd.LPGenShortWriteTwoP = DSI_LP_GSW2P_ENABLE;
LPCmd.LPGenShortReadNoP = DSI_LP_GSR0P_ENABLE;
LPCmd.LPGenShortReadOneP = DSI_LP_GSR1P_ENABLE;
LPCmd.LPGenShortReadTwoP = DSI_LP_GSR2P_ENABLE;
LPCmd.LPGenLongWrite = DSI_LP_GLW_DISABLE;
LPCmd.LPDcsShortWriteNoP = DSI_LP_DSW0P_ENABLE;
LPCmd.LPDcsShortWriteOneP = DSI_LP_DSW1P_ENABLE;
LPCmd.LPDcsShortReadNoP = DSI_LP_DSR0P_ENABLE;
LPCmd.LPDcsLongWrite = DSI_LP_DLW_DISABLE;
LPCmd.LPMaxReadPacket = DSI_LP_MRDP_DISABLE;
LPCmd.AcknowledgeRequest = DSI_ACKNOWLEDGE_DISABLE;
if (HAL_DSI_ConfigCommand(&DsiHandle, &LPCmd) != HAL_OK)
{
return -RT_ERROR;
}
CmdCfg.VirtualChannelID = 0;
#if LCD_BITS_PER_PIXEL == 16
CmdCfg.ColorCoding = DSI_RGB565;
#else
CmdCfg.ColorCoding = DSI_RGB888;
#endif
CmdCfg.CommandSize = 390;
CmdCfg.TearingEffectSource = DSI_TE_DSILINK;
CmdCfg.TearingEffectPolarity = DSI_TE_FALLING_EDGE;
CmdCfg.HSPolarity = DSI_HSYNC_ACTIVE_LOW;
CmdCfg.VSPolarity = DSI_VSYNC_ACTIVE_LOW;
CmdCfg.DEPolarity = DSI_DATA_ENABLE_ACTIVE_HIGH;
CmdCfg.VSyncPol = DSI_VSYNC_FALLING;
CmdCfg.AutomaticRefresh = DSI_AR_ENABLE;
CmdCfg.TEAcknowledgeRequest = DSI_TE_ACKNOWLEDGE_ENABLE;
if (HAL_DSI_ConfigAdaptedCommandMode(&DsiHandle, &CmdCfg) != HAL_OK)
{
return -RT_ERROR;
}
/* Disable the Tearing Effect interrupt activated by default on previous function */
__HAL_DSI_DISABLE_IT(&DsiHandle, DSI_IT_TE);
if (HAL_DSI_ConfigFlowControl(&DsiHandle, DSI_FLOW_CONTROL_BTA) != HAL_OK)
{
return -RT_ERROR;
}
/* Enable DSI */
__HAL_DSI_ENABLE(&DsiHandle);
/*************************/
/* LCD POWER ON SEQUENCE */
/*************************/
/* Step 1 */
/* Go to command 2 */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0xFE, 0x01);
/* IC Frame rate control, set power, sw mapping, mux swithc timing command */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x06, 0x62);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x0E, 0x80);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x0F, 0x80);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x10, 0x71);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x13, 0x81);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x14, 0x81);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x15, 0x82);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x16, 0x82);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x18, 0x88);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x19, 0x55);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x1A, 0x10);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x1C, 0x99);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x1D, 0x03);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x1E, 0x03);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x1F, 0x03);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x20, 0x03);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x25, 0x03);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x26, 0x8D);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x2A, 0x03);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x2B, 0x8D);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x36, 0x00);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x37, 0x10);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x3A, 0x00);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x3B, 0x00);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x3D, 0x20);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x3F, 0x3A);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x40, 0x30);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x41, 0x1A);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x42, 0x33);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x43, 0x22);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x44, 0x11);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x45, 0x66);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x46, 0x55);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x47, 0x44);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x4C, 0x33);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x4D, 0x22);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x4E, 0x11);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x4F, 0x66);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x50, 0x55);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x51, 0x44);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x57, 0x33);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x6B, 0x1B);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x70, 0x55);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x74, 0x0C);
/* Go to command 3 */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0xFE, 0x02);
/* Set the VGMP/VGSP coltage control */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x9B, 0x40);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x9C, 0x00);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x9D, 0x20);
/* Go to command 4 */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0xFE, 0x03);
/* Set the VGMP/VGSP coltage control */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x9B, 0x40);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x9C, 0x00);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x9D, 0x20);
/* Go to command 5 */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0xFE, 0x04);
/* VSR command */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x5D, 0x10);
/* VSR1 timing set */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x00, 0x8D);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x01, 0x00);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x02, 0x01);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x03, 0x01);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x04, 0x10);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x05, 0x01);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x06, 0xA7);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x07, 0x20);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x08, 0x00);
/* VSR2 timing set */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x09, 0xC2);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x0A, 0x00);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x0B, 0x02);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x0C, 0x01);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x0D, 0x40);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x0E, 0x06);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x0F, 0x01);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x10, 0xA7);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x11, 0x00);
/* VSR3 timing set */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x12, 0xC2);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x13, 0x00);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x14, 0x02);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x15, 0x01);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x16, 0x40);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x17, 0x07);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x18, 0x01);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x19, 0xA7);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x1A, 0x00);
/* VSR4 timing set */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x1B, 0x82);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x1C, 0x00);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x1D, 0xFF);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x1E, 0x05);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x1F, 0x60);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x20, 0x02);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x21, 0x01);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x22, 0x7C);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x23, 0x00);
/* VSR5 timing set */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x24, 0xC2);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x25, 0x00);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x26, 0x04);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x27, 0x02);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x28, 0x70);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x29, 0x05);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x2A, 0x74);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x2B, 0x8D);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x2D, 0x00);
/* VSR6 timing set */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x2F, 0xC2);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x30, 0x00);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x31, 0x04);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x32, 0x02);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x33, 0x70);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x34, 0x07);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x35, 0x74);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x36, 0x8D);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x37, 0x00);
/* VSR marping command */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x5E, 0x20);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x5F, 0x31);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x60, 0x54);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x61, 0x76);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x62, 0x98);
/* Go to command 6 */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0xFE, 0x05);
/* Set the ELVSS voltage */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x05, 0x17);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x2A, 0x04);
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x91, 0x00);
/* Go back in standard commands */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0xFE, 0x00);
/* Set the Pixel format */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x3A, 0x07);
/* Set tear off */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, DSI_SET_TEAR_OFF, 0x0);
/* Set DSI mode to internal timing added vs ORIGINAL for Command mode */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0xC2, 0x0);
/* Set memory address MODIFIED vs ORIGINAL */
{
uint8_t InitParam1[4] = {0x00, 0x04, 0x01, 0x89};
uint8_t InitParam2[4] = {0x00, 0x00, 0x01, 0x85};
HAL_DSI_LongWrite(&DsiHandle, 0, DSI_DCS_LONG_PKT_WRITE, 4, DSI_SET_COLUMN_ADDRESS, InitParam1);
HAL_DSI_LongWrite(&DsiHandle, 0, DSI_DCS_LONG_PKT_WRITE, 4, DSI_SET_PAGE_ADDRESS, InitParam2);
}
/* Sleep out */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P0, DSI_EXIT_SLEEP_MODE, 0x0);
HAL_Delay(120);
/* Set default Brightness */
HAL_DSI_ShortWrite(&DsiHandle, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0x51, BRIGHTNESS_NORMAL);
/* Set display on */
if (HAL_DSI_ShortWrite(&DsiHandle,
0,
DSI_DCS_SHORT_PKT_WRITE_P0,
DSI_SET_DISPLAY_ON,
0x0) != HAL_OK)
{
LOG_E("set display on failed");
return -RT_ERROR;
}
/* Enable DSI Wrapper */
__HAL_DSI_WRAPPER_ENABLE(&DsiHandle);
/* NVIC configuration for DSI interrupt that is now enabled */
HAL_NVIC_SetPriority(DSI_IRQn, 3, 0);
HAL_NVIC_EnableIRQ(DSI_IRQn);
HAL_DSI_Refresh(&DsiHandle);
LOG_D("LCD init success");
return RT_EOK;
}
#if defined(LCD_BACKLIGHT_USING_PWM)
void turn_on_lcd_backlight(void)
{
struct rt_device_pwm *pwm_dev;
/* turn on the LCD backlight */
pwm_dev = (struct rt_device_pwm *)rt_device_find(PWM_DEV_NAME);
/* pwm frequency:100K = 10000ns */
rt_pwm_set(pwm_dev, PWM_DEV_CHANNEL, 10000, 10000);
rt_pwm_enable(pwm_dev, PWM_DEV_CHANNEL);
}
#elif defined(LCD_BACKLIGHT_USING_GPIO)
void turn_on_lcd_backlight(void)
{
rt_pin_mode(LCD_BL_GPIO_NUM, PIN_MODE_OUTPUT);
rt_pin_write(LCD_BL_GPIO_NUM, PIN_HIGH);
}
#endif
void DSI_IRQHandler(void)
{
HAL_DSI_IRQHandler(&DsiHandle);
}
void HAL_DSI_EndOfRefreshCallback(DSI_HandleTypeDef *hdsi)
{
rt_sem_release(&_lcd.lcd_lock);
}
#ifdef RT_USING_DEVICE_OPS
const static struct rt_device_ops lcd_ops =
{
drv_lcd_init,
RT_NULL,
RT_NULL,
RT_NULL,
RT_NULL,
drv_lcd_control
};
#endif
int drv_lcd_hw_init(void)
{
rt_err_t result = RT_EOK;
struct rt_device *device = &_lcd.parent;
/* memset _lcd to zero */
memset(&_lcd, 0x00, sizeof(_lcd));
/* init lcd_lock semaphore */
result = rt_sem_init(&_lcd.lcd_lock, "lcd_lock", 0, RT_IPC_FLAG_FIFO);
if (result != RT_EOK)
{
LOG_E("init semaphore failed!\n");
result = -RT_ENOMEM;
goto __exit;
}
/* config LCD dev info */
_lcd.lcd_info.height = LCD_HEIGHT;
_lcd.lcd_info.width = LCD_WIDTH;
_lcd.lcd_info.bits_per_pixel = LCD_BITS_PER_PIXEL;
_lcd.lcd_info.pixel_format = LCD_PIXEL_FORMAT;
/* malloc memory */
_lcd.lcd_info.framebuffer = rt_malloc_align(LCD_DSI_BUF_SIZE, 16);
_lcd.front_buf = rt_malloc_align(LCD_DSI_BUF_SIZE_ROUND, 16);
if (_lcd.lcd_info.framebuffer == RT_NULL || _lcd.front_buf == RT_NULL)
{
LOG_E("init frame buffer failed!\n");
result = -RT_ENOMEM;
goto __exit;
}
/* memset buff to 0xFF */
memset(_lcd.lcd_info.framebuffer, 0xFF, LCD_DSI_BUF_SIZE);
memset(_lcd.front_buf, 0xFF, LCD_DSI_BUF_SIZE_ROUND);
device->type = RT_Device_Class_Graphic;
#ifdef RT_USING_DEVICE_OPS
device->ops = &lcd_ops;
#else
device->init = drv_lcd_init;
device->control = drv_lcd_control;
#endif
/* register lcd device */
rt_device_register(device, "lcd_dsi", RT_DEVICE_FLAG_RDWR);
/* init stm32 LTDC */
if (stm32_lcd_init(&_lcd) != RT_EOK)
{
result = -RT_ERROR;
goto __exit;
}
else
{
turn_on_lcd_backlight();
}
__exit:
if (result != RT_EOK)
{
rt_sem_delete(&_lcd.lcd_lock);
if (_lcd.lcd_info.framebuffer)
{
rt_free(_lcd.lcd_info.framebuffer);
}
if (_lcd.front_buf)
{
rt_free(_lcd.front_buf);
}
}
return result;
}
INIT_DEVICE_EXPORT(drv_lcd_hw_init);
#if defined(PKG_USING_GUIENGINE)
#include <rtgui/driver.h>
int graphic_device_init(void)
{
struct rt_device *device;
device = rt_device_find("lcd_dsi");
if (device)
{
rtgui_graphic_set_device(device);
}
return 0;
}
INIT_ENV_EXPORT(graphic_device_init);
#endif
#ifdef DRV_DEBUG
#ifdef FINSH_USING_MSH
int lcd_dsi_test()
{
struct drv_lcd_dsi_device *lcd;
lcd = (struct drv_lcd_dsi_device *)rt_device_find("lcd_dsi");
rt_uint8_t *ptr = lcd->lcd_info.framebuffer;
while (1)
{
/* red */
for (unsigned long long i = 0; i < LCD_DSI_BUF_SIZE/4; i++)
{
ptr[4 * i] = 0x00;
ptr[4 * i + 1] = 0x00;
ptr[4 * i + 2] = 0xFF;
ptr[4 * i + 3] = 0xFF;
}
rt_device_control(&lcd->parent, RTGRAPHIC_CTRL_RECT_UPDATE, RT_NULL);
rt_thread_mdelay(1000);
/* green */
for (int i = 0; i < LCD_DSI_BUF_SIZE/4; i++)
{
ptr[4 * i] = 0x00;
ptr[4 * i + 1] = 0xFF;
ptr[4 * i + 2] = 0x00;
ptr[4 * i + 3] = 0xFF;
}
rt_device_control(&lcd->parent, RTGRAPHIC_CTRL_RECT_UPDATE, RT_NULL);
rt_thread_mdelay(1000);
/* blue */
for (int i = 0; i < LCD_DSI_BUF_SIZE/4; i++)
{
ptr[4 * i] = 0xFF;
ptr[4 * i + 1] = 0x00;
ptr[4 * i + 2] = 0x00;
ptr[4 * i + 3] = 0xFF;
}
rt_device_control(&lcd->parent, RTGRAPHIC_CTRL_RECT_UPDATE, RT_NULL);
rt_thread_mdelay(1000);
}
}
MSH_CMD_EXPORT(lcd_dsi_test, lcd_dsi_test);
//draw a line in screen
void line()
{
struct drv_lcd_dsi_device *lcd;
lcd = (struct drv_lcd_dsi_device *)rt_device_find("lcd_dsi");
rt_uint8_t *ptr = lcd->lcd_info.framebuffer;
/* red */
for (unsigned long long i = LCD_DSI_BUF_SIZE/4/2; i <LCD_DSI_BUF_SIZE/4/2+390; i++)
{
ptr[4 * i] = 0x00;
ptr[4 * i + 1] = 0x00;
ptr[4 * i + 2] = 0xFF;
ptr[4 * i + 3] = 0xFF;
}
rt_device_control(&lcd->parent, RTGRAPHIC_CTRL_RECT_UPDATE, RT_NULL);
}
MSH_CMD_EXPORT(line, line);
#endif /* FINSH_USING_MSH */
#endif /* DRV_DEBUG */
#endif /* BSP_USING_LCD */
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