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Merge pull request #2717 from willianchanlovegithub/469 

[bsp][stm32][f469-disco]Separation of MIPI-LTCDC and LCD Configuration
This commit is contained in:
Bernard Xiong 2019-05-26 00:53:24 +08:00 committed by GitHub
parent 10b8338a6c 5707e84a82
commit 7ca0ce2627
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 294 additions and 289 deletions
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3
bsp/stm32/libraries/HAL_Drivers/SConscript
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@ -49,6 +49,9 @@ if GetDepend('BSP_USING_SDRAM'):
if GetDepend('BSP_USING_LCD'): if GetDepend('BSP_USING_LCD'):
src += ['drv_lcd.c'] src += ['drv_lcd.c']
if GetDepend('BSP_USING_LCD_MIPI'):
src += ['drv_lcd_mipi.c']
if GetDepend('BSP_USING_ONCHIP_RTC'): if GetDepend('BSP_USING_ONCHIP_RTC'):
src += ['drv_rtc.c'] src += ['drv_rtc.c']

254
bsp/stm32/libraries/HAL_Drivers/drv_lcd_mipi.c Normal file
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@ -0,0 +1,254 @@
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-05-23 WillianChan first version
*/
#include <board.h>
#ifdef BSP_USING_LCD_MIPI
#include <lcd_port.h>
#include <string.h>
DSI_HandleTypeDef hdsi;
DSI_VidCfgTypeDef hdsi_video;
LTDC_HandleTypeDef hltdc;
struct stm32_lcd
{
struct rt_device parent;
struct rt_device_graphic_info info;
};
static struct stm32_lcd lcd;
extern void stm32_mipi_lcd_init(void);
extern void stm32_mipi_lcd_config(rt_uint32_t pixel_format);
extern void stm32_mipi_display_on(void);
extern void stm32_mipi_display_off(void);
rt_err_t ltdc_init(void)
{
uint32_t lcd_clock = 27429;
uint32_t lanebyte_clock = 62500;
uint32_t HSA = LCD_HSYNC, HFP = LCD_HFP, HBP = LCD_HBP, HACT = LCD_WIDTH;
uint32_t VSA = LCD_VSYNC, VFP = LCD_VFP, VBP = LCD_VBP, VACT = LCD_HEIGHT;
stm32_mipi_lcd_init();
__HAL_RCC_LTDC_CLK_ENABLE();
__HAL_RCC_LTDC_FORCE_RESET();
__HAL_RCC_LTDC_RELEASE_RESET();
__HAL_RCC_DSI_CLK_ENABLE();
__HAL_RCC_DSI_FORCE_RESET();
__HAL_RCC_DSI_RELEASE_RESET();
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
PeriphClkInitStruct.PLLSAI.PLLSAIN = 384;
PeriphClkInitStruct.PLLSAI.PLLSAIR = 7;
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_2;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
HAL_NVIC_SetPriority(LTDC_IRQn, 3, 0);
HAL_NVIC_SetPriority(DSI_IRQn, 3, 0);
HAL_NVIC_EnableIRQ(LTDC_IRQn);
HAL_NVIC_EnableIRQ(DSI_IRQn);
DSI_PLLInitTypeDef dsi_pll;
hdsi.Instance = DSI;
hdsi.Init.NumberOfLanes = DSI_TWO_DATA_LANES;
hdsi.Init.TXEscapeCkdiv = lanebyte_clock / 15620;
dsi_pll.PLLNDIV = 125;
dsi_pll.PLLIDF = DSI_PLL_IN_DIV2;
dsi_pll.PLLODF = DSI_PLL_OUT_DIV1;
HAL_DSI_DeInit(&hdsi);
HAL_DSI_Init(&hdsi, &dsi_pll);
hdsi_video.VirtualChannelID = 0;
hdsi_video.ColorCoding = DSI_RGB888;
hdsi_video.VSPolarity = DSI_VSYNC_ACTIVE_HIGH;
hdsi_video.HSPolarity = DSI_HSYNC_ACTIVE_HIGH;
hdsi_video.DEPolarity = DSI_DATA_ENABLE_ACTIVE_HIGH;
hdsi_video.Mode = DSI_VID_MODE_BURST;
hdsi_video.NullPacketSize = 0xFFF;
hdsi_video.NumberOfChunks = 0;
hdsi_video.PacketSize = HACT;
hdsi_video.HorizontalSyncActive = (HSA * lanebyte_clock) / lcd_clock;
hdsi_video.HorizontalBackPorch = (HBP * lanebyte_clock) / lcd_clock;
hdsi_video.HorizontalLine = ((HACT + HSA + HBP + HFP) * lanebyte_clock) / lcd_clock;
hdsi_video.VerticalSyncActive = VSA;
hdsi_video.VerticalBackPorch = VBP;
hdsi_video.VerticalFrontPorch = VFP;
hdsi_video.VerticalActive = VACT;
hdsi_video.LPCommandEnable = DSI_LP_COMMAND_ENABLE;
hdsi_video.LPLargestPacketSize = 16;
hdsi_video.LPVACTLargestPacketSize = 0;
hdsi_video.LPHorizontalFrontPorchEnable = DSI_LP_HFP_ENABLE;
hdsi_video.LPHorizontalBackPorchEnable = DSI_LP_HBP_ENABLE;
hdsi_video.LPVerticalActiveEnable = DSI_LP_VACT_ENABLE;
hdsi_video.LPVerticalFrontPorchEnable = DSI_LP_VFP_ENABLE;
hdsi_video.LPVerticalBackPorchEnable = DSI_LP_VBP_ENABLE;
hdsi_video.LPVerticalSyncActiveEnable = DSI_LP_VSYNC_ENABLE;
HAL_DSI_ConfigVideoMode(&hdsi, &hdsi_video);
DSI_PHY_TimerTypeDef dsi_phy;
dsi_phy.ClockLaneHS2LPTime = 35;
dsi_phy.ClockLaneLP2HSTime = 35;
dsi_phy.DataLaneHS2LPTime = 35;
dsi_phy.DataLaneLP2HSTime = 35;
dsi_phy.DataLaneMaxReadTime = 0;
dsi_phy.StopWaitTime = 10;
HAL_DSI_ConfigPhyTimer(&hdsi, &dsi_phy);
hltdc.Instance = LTDC;
hltdc.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
hltdc.Init.HorizontalSync = (HSA - 1);
hltdc.Init.AccumulatedHBP = (HSA + HBP - 1);
hltdc.Init.AccumulatedActiveW = (LCD_WIDTH + HSA + HBP - 1);
hltdc.Init.TotalWidth = (LCD_WIDTH + HSA + HBP + HFP - 1);
hltdc.LayerCfg->ImageWidth = LCD_WIDTH;
hltdc.LayerCfg->ImageHeight = LCD_HEIGHT;
hltdc.Init.Backcolor.Blue = 0x00;
hltdc.Init.Backcolor.Green = 0x00;
hltdc.Init.Backcolor.Red = 0x00;
HAL_LTDCEx_StructInitFromVideoConfig(&hltdc, &(hdsi_video));
HAL_LTDC_Init(&(hltdc));
HAL_DSI_Start(&(hdsi));
stm32_mipi_lcd_config(RTGRAPHIC_PIXEL_FORMAT_ARGB888);
return RT_EOK;
}
void ltdc_layer_init(uint16_t index, uint32_t framebuffer)
{
LTDC_LayerCfgTypeDef layer_cfg;
layer_cfg.WindowX0 = 0;
layer_cfg.WindowX1 = LCD_WIDTH;
layer_cfg.WindowY0 = 0;
layer_cfg.WindowY1 = LCD_HEIGHT;
layer_cfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888;
layer_cfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
layer_cfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
layer_cfg.Alpha = 255;
layer_cfg.Alpha0 = 0;
layer_cfg.ImageWidth = LCD_WIDTH;
layer_cfg.ImageHeight = LCD_HEIGHT;
layer_cfg.Backcolor.Blue = 0;
layer_cfg.Backcolor.Green = 0;
layer_cfg.Backcolor.Red = 0;
layer_cfg.FBStartAdress = framebuffer;
HAL_LTDC_ConfigLayer(&hltdc, &layer_cfg, index);
}
void LTDC_IRQHandler(void)
{
rt_interrupt_enter();
HAL_LTDC_IRQHandler(&hltdc);
rt_interrupt_leave();
}
static rt_err_t stm32_lcd_init(rt_device_t device)
{
lcd.info.width = LCD_WIDTH;
lcd.info.height = LCD_HEIGHT;
lcd.info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_ARGB888;
lcd.info.bits_per_pixel = 32;
lcd.info.framebuffer = (void *)rt_malloc_align(LCD_WIDTH * LCD_HEIGHT * (lcd.info.bits_per_pixel / 8), 32);
memset(lcd.info.framebuffer, 0, LCD_WIDTH * LCD_HEIGHT * (lcd.info.bits_per_pixel / 8));
ltdc_init();
ltdc_layer_init(0, (uint32_t)lcd.info.framebuffer);
return RT_EOK;
}
static rt_err_t stm32_lcd_control(rt_device_t device, int cmd, void *args)
{
switch(cmd)
{
case RTGRAPHIC_CTRL_RECT_UPDATE:
break;
case RTGRAPHIC_CTRL_POWERON:
stm32_mipi_display_on();
break;
case RTGRAPHIC_CTRL_POWEROFF:
stm32_mipi_display_off();
break;
case RTGRAPHIC_CTRL_GET_INFO:
rt_memcpy(args, &lcd.info, sizeof(lcd.info));
break;
case RTGRAPHIC_CTRL_SET_MODE:
break;
case RTGRAPHIC_CTRL_GET_EXT:
break;
}
return RT_EOK;
}
int rt_hw_lcd_init(void)
{
rt_err_t ret;
rt_memset(&lcd, 0x00, sizeof(lcd));
lcd.parent.type = RT_Device_Class_Graphic;
lcd.parent.init = stm32_lcd_init;
lcd.parent.open = RT_NULL;
lcd.parent.close = RT_NULL;
lcd.parent.read = RT_NULL;
lcd.parent.write = RT_NULL;
lcd.parent.control = stm32_lcd_control;
lcd.parent.user_data = (void *)&lcd.info;
ret = rt_device_register(&lcd.parent, "lcd", RT_DEVICE_FLAG_RDWR);
return ret;
}
INIT_DEVICE_EXPORT(rt_hw_lcd_init);
RT_WEAK void stm32_mipi_lcd_init(void)
{
rt_kprintf("please Implementation function %s\n", __func__);
}
RT_WEAK void stm32_mipi_lcd_config(rt_uint32_t pixel_format)
{
rt_kprintf("please Implementation function %s\n", __func__);
}
RT_WEAK void stm32_mipi_display_on(void)
{
rt_kprintf("please Implementation function %s\n", __func__);
}
RT_WEAK void stm32_mipi_display_off(void)
{
rt_kprintf("please Implementation function %s\n", __func__);
}
#endif /* BSP_USING_LCD_MIPI */

5
bsp/stm32/stm32f469-st-disco/board/Kconfig
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@ -11,10 +11,15 @@ menu "Onboard Peripheral Drivers"
select BSP_USING_FMC select BSP_USING_FMC
default n default n
config BSP_USING_LCD_MIPI
bool
default n
config BSP_USING_LCD_OTM8009A config BSP_USING_LCD_OTM8009A
bool "Enable LCD OTM8009A" bool "Enable LCD OTM8009A"
select BSP_USING_SDRAM select BSP_USING_SDRAM
select BSP_USING_LTDC select BSP_USING_LTDC
select BSP_USING_LCD_MIPI
default n default n
config BSP_USING_QSPI_FLASH config BSP_USING_QSPI_FLASH

10
bsp/stm32/stm32f469-st-disco/board/SConscript
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@ -13,22 +13,22 @@ CubeMX_Config/Src/stm32f4xx_hal_msp.c
''') ''')
if GetDepend(['BSP_USING_QSPI_FLASH']): if GetDepend(['BSP_USING_QSPI_FLASH']):
src += Glob('ports/drv_qspi_flash.c') src += ['ports/drv_qspi_flash.c']
if GetDepend(['PKG_USING_FAL']): if GetDepend(['PKG_USING_FAL']):
src += Glob('ports/qspi_mnt.c') src += ['ports/qspi_mnt.c']
if GetDepend(['BSP_USING_LCD_OTM8009A']): if GetDepend(['BSP_USING_LCD_OTM8009A']):
src += Glob('ports/drv_lcd_otm8009a.c') src += ['ports/drv_otm8009a.c']
if GetDepend(['BSP_USING_TOUCH']): if GetDepend(['BSP_USING_TOUCH']):
src += Glob('ports/touch/*.c') src += Glob('ports/touch/*.c')
if GetDepend(['BSP_USING_SDCARD']): if GetDepend(['BSP_USING_SDCARD']):
src += Glob('ports/drv_sdcard.c') src += ['ports/drv_sdcard.c']
if GetDepend(['BSP_USING_QSPI']): if GetDepend(['BSP_USING_QSPI']):
src += Glob('ports/drv_qspi_flash.c') src += ['ports/drv_qspi_flash.c']
path = [cwd] path = [cwd]
path += [cwd + '/CubeMX_Config/Inc'] path += [cwd + '/CubeMX_Config/Inc']

296
bsp/stm32/stm32f469-st-disco/board/ports/drv_lcd_otm8009a.c → bsp/stm32/stm32f469-st-disco/board/ports/drv_otm8009a.c
View File

@ -5,37 +5,13 @@
* *
* Change Logs: * Change Logs:
* Date Author Notes * Date Author Notes
* 2018-07-28 liu2guang the first version for STM32F469NI-Discovery. * 2019-05-23 WillianChan first version
* 2019-04-19 WillianChan porting STM32F469NI-Discovery lcd driver to
* the new STM32 BSP framework.
*/ */
#include <board.h> #include <board.h>
#ifdef BSP_USING_LCD_OTM8009A #ifdef BSP_USING_LCD_OTM8009A
#include <lcd_port.h> extern DSI_HandleTypeDef hdsi;
extern DSI_VidCfgTypeDef hdsi_video;
struct stm32_lcd
{
struct rt_device device;
struct rt_device_graphic_info info;
LTDC_HandleTypeDef ltdc;
DSI_HandleTypeDef dsi;
DSI_VidCfgTypeDef dsi_video;
DMA2D_HandleTypeDef dma2d;
};
static struct stm32_lcd lcd;
#define LCD_WIDTH ((uint16_t)800)
#define LCD_HEIGHT ((uint16_t)480)
#define LCD_HSYNC ((uint16_t)1)
#define LCD_HBP ((uint16_t)15)
#define LCD_HFP ((uint16_t)16)
#define LCD_VSYNC ((uint16_t)2)
#define LCD_VBP ((uint16_t)34)
#define LCD_VFP ((uint16_t)34)
const rt_uint8_t RDL01[] = {0x80, 0x09, 0x01, 0xFF}; const rt_uint8_t RDL01[] = {0x80, 0x09, 0x01, 0xFF};
const rt_uint8_t RDL02[] = {0x80, 0x09, 0xFF}; const rt_uint8_t RDL02[] = {0x80, 0x09, 0xFF};
@ -117,7 +93,7 @@ const rt_uint8_t RDS49[] = {0xF5, 0x06};
const rt_uint8_t RDS50[] = {0x00, 0xB1}; const rt_uint8_t RDS50[] = {0x00, 0xB1};
const rt_uint8_t RDS51[] = {0xC6, 0x06}; const rt_uint8_t RDS51[] = {0xC6, 0x06};
static void otm8009a_reset(void) void otm8009a_reset(void)
{ {
rt_pin_mode (GET_PIN(H, 7), PIN_MODE_OUTPUT); rt_pin_mode (GET_PIN(H, 7), PIN_MODE_OUTPUT);
rt_pin_write(GET_PIN(H, 7), PIN_LOW); rt_pin_write(GET_PIN(H, 7), PIN_LOW);
@ -126,19 +102,19 @@ static void otm8009a_reset(void)
rt_thread_delay(rt_tick_from_millisecond(20)); rt_thread_delay(rt_tick_from_millisecond(20));
} }
void otm8009a_write_cmd(uint8_t *p, uint32_t num) static void otm8009a_write_cmd(uint8_t *p, uint32_t num)
{ {
if (num <= 1) if (num <= 1)
{ {
HAL_DSI_ShortWrite(&(lcd.dsi), lcd.dsi_video.VirtualChannelID, DSI_DCS_SHORT_PKT_WRITE_P1, p[0], p[1]); HAL_DSI_ShortWrite(&hdsi, hdsi_video.VirtualChannelID, DSI_DCS_SHORT_PKT_WRITE_P1, p[0], p[1]);
} }
else else
{ {
HAL_DSI_LongWrite(&(lcd.dsi), lcd.dsi_video.VirtualChannelID, DSI_DCS_LONG_PKT_WRITE, num, p[num], p); HAL_DSI_LongWrite(&hdsi, hdsi_video.VirtualChannelID, DSI_DCS_LONG_PKT_WRITE, num, p[num], p);
} }
} }
void otm8009a_delay(uint32_t d) static void otm8009a_delay(uint32_t d)
{ {
rt_thread_delay(rt_tick_from_millisecond(d)); rt_thread_delay(rt_tick_from_millisecond(d));
} }
@ -264,262 +240,24 @@ static void otm8009a_config(rt_uint32_t pixel_format)
otm8009a_write_cmd((rt_uint8_t *)RDS45, 0); otm8009a_write_cmd((rt_uint8_t *)RDS45, 0);
} }
rt_err_t otm8009a_init(void)
void stm32_mipi_lcd_init(void)
{ {
uint32_t lcd_clock = 27429;
uint32_t lanebyte_clock = 62500;
uint32_t HSA = LCD_HSYNC, HFP = LCD_HFP, HBP = LCD_HBP, HACT = LCD_WIDTH;
uint32_t VSA = LCD_VSYNC, VFP = LCD_VFP, VBP = LCD_VBP, VACT = LCD_HEIGHT;
/* <20><>λOTM8009A<39><41>ʾ<EFBFBD><CABE> */
otm8009a_reset(); otm8009a_reset();
/* <20><>ʼ<EFBFBD><CABC>STM32<33><32>ʾ<EFBFBD><CABE>ʱ<EFBFBD><CAB1> */
__HAL_RCC_LTDC_CLK_ENABLE();
__HAL_RCC_LTDC_FORCE_RESET();
__HAL_RCC_LTDC_RELEASE_RESET();
__HAL_RCC_DMA2D_CLK_ENABLE();
__HAL_RCC_DMA2D_FORCE_RESET();
__HAL_RCC_DMA2D_RELEASE_RESET();
__HAL_RCC_DSI_CLK_ENABLE();
__HAL_RCC_DSI_FORCE_RESET();
__HAL_RCC_DSI_RELEASE_RESET();
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
PeriphClkInitStruct.PLLSAI.PLLSAIN = 384;
PeriphClkInitStruct.PLLSAI.PLLSAIR = 7;
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_2;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
/* <20><><EFBFBD><EFBFBD>NVIC */
HAL_NVIC_SetPriority(LTDC_IRQn, 3, 0);
HAL_NVIC_SetPriority(DMA2D_IRQn, 3, 0);
HAL_NVIC_SetPriority(DSI_IRQn, 3, 0);
HAL_NVIC_EnableIRQ(LTDC_IRQn);
HAL_NVIC_EnableIRQ(DMA2D_IRQn);
HAL_NVIC_EnableIRQ(DSI_IRQn);
/* <20><><EFBFBD><EFBFBD>DSI */
DSI_PLLInitTypeDef dsi_pll;
lcd.dsi.Instance = DSI;
lcd.dsi.Init.NumberOfLanes = DSI_TWO_DATA_LANES;
lcd.dsi.Init.TXEscapeCkdiv = lanebyte_clock / 15620;
dsi_pll.PLLNDIV = 125;
dsi_pll.PLLIDF = DSI_PLL_IN_DIV2;
dsi_pll.PLLODF = DSI_PLL_OUT_DIV1;
HAL_DSI_DeInit(&(lcd.dsi));
HAL_DSI_Init(&(lcd.dsi), &(dsi_pll));
/* <20><><EFBFBD><EFBFBD>DSI Video */
lcd.dsi_video.VirtualChannelID = 0;
lcd.dsi_video.ColorCoding = DSI_RGB888;
lcd.dsi_video.VSPolarity = DSI_VSYNC_ACTIVE_HIGH;
lcd.dsi_video.HSPolarity = DSI_HSYNC_ACTIVE_HIGH;
lcd.dsi_video.DEPolarity = DSI_DATA_ENABLE_ACTIVE_HIGH;
lcd.dsi_video.Mode = DSI_VID_MODE_BURST;
lcd.dsi_video.NullPacketSize = 0xFFF;
lcd.dsi_video.NumberOfChunks = 0;
lcd.dsi_video.PacketSize = HACT;
lcd.dsi_video.HorizontalSyncActive = (HSA * lanebyte_clock) / lcd_clock;
lcd.dsi_video.HorizontalBackPorch = (HBP * lanebyte_clock) / lcd_clock;
lcd.dsi_video.HorizontalLine = ((HACT + HSA + HBP + HFP) * lanebyte_clock) / lcd_clock;
lcd.dsi_video.VerticalSyncActive = VSA;
lcd.dsi_video.VerticalBackPorch = VBP;
lcd.dsi_video.VerticalFrontPorch = VFP;
lcd.dsi_video.VerticalActive = VACT;
lcd.dsi_video.LPCommandEnable = DSI_LP_COMMAND_ENABLE;
lcd.dsi_video.LPLargestPacketSize = 16;
lcd.dsi_video.LPVACTLargestPacketSize = 0;
lcd.dsi_video.LPHorizontalFrontPorchEnable = DSI_LP_HFP_ENABLE;
lcd.dsi_video.LPHorizontalBackPorchEnable = DSI_LP_HBP_ENABLE;
lcd.dsi_video.LPVerticalActiveEnable = DSI_LP_VACT_ENABLE;
lcd.dsi_video.LPVerticalFrontPorchEnable = DSI_LP_VFP_ENABLE;
lcd.dsi_video.LPVerticalBackPorchEnable = DSI_LP_VBP_ENABLE;
lcd.dsi_video.LPVerticalSyncActiveEnable = DSI_LP_VSYNC_ENABLE;
HAL_DSI_ConfigVideoMode(&(lcd.dsi), &(lcd.dsi_video));
/* <20><><EFBFBD><EFBFBD>DSI PHY */
DSI_PHY_TimerTypeDef dsi_phy;
dsi_phy.ClockLaneHS2LPTime = 35;
dsi_phy.ClockLaneLP2HSTime = 35;
dsi_phy.DataLaneHS2LPTime = 35;
dsi_phy.DataLaneLP2HSTime = 35;
dsi_phy.DataLaneMaxReadTime = 0;
dsi_phy.StopWaitTime = 10;
HAL_DSI_ConfigPhyTimer(&(lcd.dsi), &dsi_phy);
/* <20><><EFBFBD><EFBFBD>LTDC */
lcd.ltdc.Instance = LTDC;
lcd.ltdc.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
lcd.ltdc.Init.HorizontalSync = (HSA - 1);
lcd.ltdc.Init.AccumulatedHBP = (HSA + HBP - 1);
lcd.ltdc.Init.AccumulatedActiveW = (LCD_WIDTH + HSA + HBP - 1);
lcd.ltdc.Init.TotalWidth = (LCD_WIDTH + HSA + HBP + HFP - 1);
lcd.ltdc.LayerCfg->ImageWidth = LCD_WIDTH;
lcd.ltdc.LayerCfg->ImageHeight = LCD_HEIGHT;
lcd.ltdc.Init.Backcolor.Blue = 0x00;
lcd.ltdc.Init.Backcolor.Green = 0x00;
lcd.ltdc.Init.Backcolor.Red = 0x00;
HAL_LTDCEx_StructInitFromVideoConfig(&(lcd.ltdc), &(lcd.dsi_video));
HAL_LTDC_Init(&(lcd.ltdc));
HAL_DSI_Start(&(lcd.dsi));
otm8009a_config(RTGRAPHIC_PIXEL_FORMAT_ARGB888);
return RT_EOK;
} }
void otm8009a_layer_init(uint16_t index, uint32_t framebuffer) void stm32_mipi_lcd_config(rt_uint32_t pixel_format)
{ {
LTDC_LayerCfgTypeDef layer_cfg; otm8009a_config(pixel_format);
layer_cfg.WindowX0 = 0;
layer_cfg.WindowX1 = LCD_WIDTH;
layer_cfg.WindowY0 = 0;
layer_cfg.WindowY1 = LCD_HEIGHT;
layer_cfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888;
layer_cfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
layer_cfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
layer_cfg.Alpha = 255;
layer_cfg.Alpha0 = 0;
layer_cfg.ImageWidth = LCD_WIDTH;
layer_cfg.ImageHeight = LCD_HEIGHT;
layer_cfg.Backcolor.Blue = 0;
layer_cfg.Backcolor.Green = 0;
layer_cfg.Backcolor.Red = 0;
layer_cfg.FBStartAdress = framebuffer;
HAL_LTDC_ConfigLayer(&(lcd.ltdc), &layer_cfg, index);
} }
static void otm8009a_display_on(void) void stm32_mipi_display_on(void)
{ {
HAL_DSI_ShortWrite(&(lcd.dsi), lcd.dsi_video.VirtualChannelID, DSI_DCS_SHORT_PKT_WRITE_P1, 0x29, 0x00); HAL_DSI_ShortWrite(&hdsi, hdsi_video.VirtualChannelID, DSI_DCS_SHORT_PKT_WRITE_P1, 0x29, 0x00);
} }
static void otm8009a_display_off(void) void stm32_mipi_display_off(void)
{ {
HAL_DSI_ShortWrite(&(lcd.dsi), lcd.dsi_video.VirtualChannelID, DSI_DCS_SHORT_PKT_WRITE_P1, 0x28, 0x00); HAL_DSI_ShortWrite(&hdsi, hdsi_video.VirtualChannelID, DSI_DCS_SHORT_PKT_WRITE_P1, 0x28, 0x00);
} }
#endif
void LTDC_IRQHandler(void)
{
rt_interrupt_enter();
HAL_LTDC_IRQHandler(&(lcd.ltdc));
rt_interrupt_leave();
}
/* <20><><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>: ---------------------------------------- */
static void lcd_fill_buffer(void *addr, uint32_t x_size, uint32_t y_size, uint32_t offset, uint32_t color)
{
lcd.dma2d.Instance = DMA2D;
lcd.dma2d.Init.Mode = DMA2D_R2M;
lcd.dma2d.Init.ColorMode = DMA2D_ARGB8888;
lcd.dma2d.Init.OutputOffset = offset;
if (HAL_DMA2D_Init(&lcd.dma2d) == HAL_OK)
{
if (HAL_DMA2D_ConfigLayer(&lcd.dma2d, 0) == HAL_OK)
{
if (HAL_DMA2D_Start(&lcd.dma2d, color, (uint32_t)addr, x_size, y_size) == HAL_OK)
{
HAL_DMA2D_PollForTransfer(&lcd.dma2d, 10);
}
}
}
}
void lcd_clear(uint32_t color)
{
/* Clear the LCD */
lcd_fill_buffer((uint32_t *)(lcd.ltdc.LayerCfg[0].FBStartAdress), LCD_WIDTH, LCD_HEIGHT, 0, color);
}
void lcd_fill_rect(uint16_t x_pos, uint16_t y_pos, uint16_t width, uint16_t height)
{
uint32_t Xaddress = (lcd.ltdc.LayerCfg[0].FBStartAdress) + 4 * (LCD_WIDTH * x_pos + y_pos);
lcd_fill_buffer((uint32_t *)Xaddress, width, height, (LCD_WIDTH - width), 0xFF00FF00);
}
/* <20><><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD> ----------------------------------------- */
static rt_err_t stm32_lcd_init(rt_device_t device)
{
lcd.info.width = LCD_WIDTH;
lcd.info.height = LCD_HEIGHT;
lcd.info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_ARGB888;
lcd.info.bits_per_pixel = 32;
lcd.info.framebuffer = (void *)rt_malloc_align(LCD_WIDTH * LCD_HEIGHT * (lcd.info.bits_per_pixel / 8), 32);
otm8009a_init();
otm8009a_layer_init(0, (uint32_t)lcd.info.framebuffer);
lcd_clear(0xFF000000);
return RT_EOK;
}
static rt_err_t stm32_lcd_control(rt_device_t device, int cmd, void *args)
{
switch(cmd)
{
case RTGRAPHIC_CTRL_RECT_UPDATE:
break;
case RTGRAPHIC_CTRL_POWERON:
otm8009a_display_on();
break;
case RTGRAPHIC_CTRL_POWEROFF:
otm8009a_display_off();
break;
case RTGRAPHIC_CTRL_GET_INFO:
rt_memcpy(args, &lcd.info, sizeof(lcd.info));
break;
case RTGRAPHIC_CTRL_SET_MODE:
break;
case RTGRAPHIC_CTRL_GET_EXT:
break;
}
return RT_EOK;
}
int rt_hw_lcd_init(void)
{
rt_err_t ret;
rt_memset(&lcd, 0x00, sizeof(lcd));
lcd.device.type = RT_Device_Class_Graphic;
lcd.device.init = stm32_lcd_init;
lcd.device.open = RT_NULL;
lcd.device.close = RT_NULL;
lcd.device.read = RT_NULL;
lcd.device.write = RT_NULL;
lcd.device.control = stm32_lcd_control;
lcd.device.user_data = (void *)&lcd.info;
ret = rt_device_register(&lcd.device, "lcd", RT_DEVICE_FLAG_RDWR);
return ret;
}
INIT_DEVICE_EXPORT(rt_hw_lcd_init);
#endif /* BSP_USING_LCD_OTM8009A */

13
bsp/stm32/stm32f469-st-disco/board/ports/lcd_port.h
View File

@ -15,9 +15,14 @@
#include <rtdevice.h> #include <rtdevice.h>
#include <board.h> #include <board.h>
rt_err_t otm8009a_init(void); #define LCD_WIDTH (800U)
void otm8009a_layer_init(uint16_t index, uint32_t framebuffer); #define LCD_HEIGHT (480U)
void lcd_clear(uint32_t color);
void lcd_fill_rect(uint16_t x_pos, uint16_t y_pos, uint16_t width, uint16_t height); #define LCD_HSYNC (1U)
#define LCD_HBP (15U)
#define LCD_HFP (16U)
#define LCD_VSYNC (2U)
#define LCD_VBP (34U)
#define LCD_VFP (34U)
#endif #endif