refactor: DMA2D and LTDC conversion to HAL/LL (#3036)
Co-authored-by: Peter Feerick <peter.feerick@gmail.com>
This commit is contained in:
Malte Langermann
co-authored by
Peter Feerick
Peter Feerick
parent
d0ae5bd85c
commit
1af8b78256
@@ -19,13 +19,16 @@
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* GNU General Public License for more details.
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*/
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#include "stm32_hal_ll.h"
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#include "stm32_hal.h"
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#include "opentx_types.h"
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#include "dma2d.h"
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#include "hal.h"
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#include "delays_driver.h"
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#include "lcd.h"
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#include <lvgl/lvgl.h>
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#include "stm32f4xx_dma2d.h"
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#include "stm32f4xx_ltdc.h"
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#if defined(RADIO_T18)
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#define HBP 43
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#define VBP 12
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@@ -46,7 +49,11 @@
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#define VFP 2
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#endif
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static LTDC_HandleTypeDef hltdc;
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static void* initialFrameBuffer = nullptr;
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#if defined(LCD_VERTICAL_INVERT)
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typedef uint16_t pixel_t;
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static pixel_t _LCD_BUF_1[DISPLAY_BUFFER_SIZE] __SDRAM;
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static pixel_t _LCD_BUF_2[DISPLAY_BUFFER_SIZE] __SDRAM;
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@@ -177,17 +184,18 @@ static void startLcdRefresh(lv_disp_drv_t *disp_drv, uint16_t *buffer,
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inline void LCD_NRST_LOW()
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{
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LCD_GPIO_NRST->BSRRH = LCD_GPIO_PIN_NRST;
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LL_GPIO_ResetOutputPin(LCD_GPIO_NRST, LCD_GPIO_PIN_NRST);
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}
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inline void LCD_NRST_HIGH()
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{
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LCD_GPIO_NRST->BSRRL = LCD_GPIO_PIN_NRST;
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LL_GPIO_SetOutputPin(LCD_GPIO_NRST, LCD_GPIO_PIN_NRST);
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}
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static void LCD_AF_GPIOConfig()
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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LL_GPIO_InitTypeDef GPIO_InitStructure;
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LL_GPIO_StructInit(&GPIO_InitStructure);
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/* GPIOs Configuration */
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/*
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@@ -207,66 +215,41 @@ static void LCD_AF_GPIOConfig()
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| LCD_CS <-> PI.10 |LCD_SCK<->PI.11
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-----------------------------------------------------
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*/
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// GPIOI configuration
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GPIO_PinAFConfig(GPIOI, GPIO_PinSource12, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOI, GPIO_PinSource13, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOI, GPIO_PinSource14, GPIO_AF_LTDC);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14;
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GPIO_InitStructure.GPIO_Speed =GPIO_Speed_2MHz;
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GPIO_InitStructure.GPIO_Mode =GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_OType =GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd =GPIO_PuPd_NOPULL;
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GPIO_Init(GPIOI, &GPIO_InitStructure);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource7, GPIO_AF_LTDC);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
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GPIO_Init(GPIOK, &GPIO_InitStructure);
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GPIO_InitStructure.Pin = LL_GPIO_PIN_12 | LL_GPIO_PIN_13 | LL_GPIO_PIN_14;
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GPIO_InitStructure.Speed = LL_GPIO_SPEED_FREQ_LOW;
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GPIO_InitStructure.Mode = LL_GPIO_MODE_ALTERNATE;
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GPIO_InitStructure.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStructure.Pull = LL_GPIO_PULL_NO;
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GPIO_InitStructure.Alternate = LL_GPIO_AF_14; // AF LTDC
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LL_GPIO_Init(GPIOI, &GPIO_InitStructure);
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// GPIOJ configuration
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource2, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource3, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource4, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource5, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource6, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource9, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource10, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource11, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource15, GPIO_AF_LTDC);
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GPIO_InitStructure.Pin = LL_GPIO_PIN_2 | LL_GPIO_PIN_3 | LL_GPIO_PIN_4 | LL_GPIO_PIN_5 | LL_GPIO_PIN_6
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| LL_GPIO_PIN_9 | LL_GPIO_PIN_10 | LL_GPIO_PIN_11 | LL_GPIO_PIN_15;
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | \
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GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_15;
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GPIO_Init(GPIOJ, &GPIO_InitStructure);
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LL_GPIO_Init(GPIOJ, &GPIO_InitStructure);
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// GPIOK configuration
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource0, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource1, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource2, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource3, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource4, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource5, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource6, GPIO_AF_LTDC);
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GPIO_InitStructure.Pin = LL_GPIO_PIN_0 | LL_GPIO_PIN_1 | LL_GPIO_PIN_2 | LL_GPIO_PIN_3 | LL_GPIO_PIN_4
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| LL_GPIO_PIN_5 | LL_GPIO_PIN_6 | LL_GPIO_PIN_7;
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 ;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_Init(GPIOK, &GPIO_InitStructure);
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LL_GPIO_Init(GPIOK, &GPIO_InitStructure);
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}
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static void LCD_NRSTConfig(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin = LCD_GPIO_PIN_NRST;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_Init(LCD_GPIO_NRST, &GPIO_InitStructure);
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LL_GPIO_InitTypeDef GPIO_InitStructure;
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LL_GPIO_StructInit(&GPIO_InitStructure);
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GPIO_InitStructure.Pin = LCD_GPIO_PIN_NRST;
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GPIO_InitStructure.Mode = LL_GPIO_MODE_OUTPUT;
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GPIO_InitStructure.Speed = LL_GPIO_SPEED_FREQ_LOW;
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GPIO_InitStructure.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStructure.Pull = LL_GPIO_PULL_NO;
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LL_GPIO_Init(LCD_GPIO_NRST, &GPIO_InitStructure);
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}
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static void lcdReset(void)
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@@ -287,7 +270,7 @@ static void lcdReset(void)
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void LCD_Init_LTDC()
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{
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LTDC_InitTypeDef LTDC_InitStruct;
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hltdc.Instance = LTDC;
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/* Configure PLLSAI prescalers for LCD */
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/* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 MHz */
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@@ -297,66 +280,60 @@ void LCD_Init_LTDC()
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/* alternatively LTDC clock frequency = PLLLCDCLK / RCC_PLLSAIDivR = 64/8 = 8 MHz */
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//second pam is for audio
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//third pam is for LCD
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RCC_PLLSAIConfig(192, 6, 3);
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RCC_PeriphCLKInitTypeDef clkConfig;
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clkConfig.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
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clkConfig.PLLSAI.PLLSAIN = 192;
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clkConfig.PLLSAI.PLLSAIR = 3;
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clkConfig.PLLSAIDivQ = 6;
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#if defined(RADIO_TX16S)
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RCC_LTDCCLKDivConfig(RCC_PLLSAIDivR_Div8);
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clkConfig.PLLSAIDivR = RCC_PLLSAIDIVR_8;
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#else
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RCC_LTDCCLKDivConfig(RCC_PLLSAIDivR_Div4);
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clkConfig.PLLSAIDivR = RCC_PLLSAIDIVR_4;
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#endif
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/* Enable PLLSAI Clock */
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RCC_PLLSAICmd(ENABLE);
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/* Wait for PLLSAI activation */
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while(RCC_GetFlagStatus(RCC_FLAG_PLLSAIRDY) == RESET)
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{
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}
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HAL_RCCEx_PeriphCLKConfig(&clkConfig);
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/* LTDC Configuration *********************************************************/
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/* Polarity configuration */
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/* Initialize the horizontal synchronization polarity as active low */
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LTDC_InitStruct.LTDC_HSPolarity = LTDC_HSPolarity_AL;
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hltdc.Init.HSPolarity = LTDC_HSPOLARITY_AL;
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/* Initialize the vertical synchronization polarity as active low */
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LTDC_InitStruct.LTDC_VSPolarity = LTDC_VSPolarity_AL;
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hltdc.Init.VSPolarity = LTDC_VSPOLARITY_AL;
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/* Initialize the data enable polarity as active low */
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LTDC_InitStruct.LTDC_DEPolarity = LTDC_DEPolarity_AL;
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hltdc.Init.DEPolarity = LTDC_DEPOLARITY_AL;
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/* Initialize the pixel clock polarity as input pixel clock */
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LTDC_InitStruct.LTDC_PCPolarity = LTDC_PCPolarity_IPC;
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hltdc.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
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/* Configure R,G,B component values for LCD background color */
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LTDC_InitStruct.LTDC_BackgroundRedValue = 0;
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LTDC_InitStruct.LTDC_BackgroundGreenValue = 0;
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LTDC_InitStruct.LTDC_BackgroundBlueValue = 0;
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hltdc.Init.Backcolor.Red = 0;
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hltdc.Init.Backcolor.Green = 0;
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hltdc.Init.Backcolor.Blue = 0;
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/* Configure horizontal synchronization width */
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LTDC_InitStruct.LTDC_HorizontalSync = HSW;
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hltdc.Init.HorizontalSync = HSW;
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/* Configure vertical synchronization height */
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LTDC_InitStruct.LTDC_VerticalSync = VSW;
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hltdc.Init.VerticalSync = VSW;
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/* Configure accumulated horizontal back porch */
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LTDC_InitStruct.LTDC_AccumulatedHBP = HBP;
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hltdc.Init.AccumulatedHBP = HBP;
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/* Configure accumulated vertical back porch */
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LTDC_InitStruct.LTDC_AccumulatedVBP = VBP;
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hltdc.Init.AccumulatedVBP = VBP;
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/* Configure accumulated active width */
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LTDC_InitStruct.LTDC_AccumulatedActiveW = LCD_PHYS_W + HBP;
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hltdc.Init.AccumulatedActiveW = LCD_PHYS_W + HBP;
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/* Configure accumulated active height */
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LTDC_InitStruct.LTDC_AccumulatedActiveH = LCD_PHYS_H + VBP;
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hltdc.Init.AccumulatedActiveH = LCD_PHYS_H + VBP;
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/* Configure total width */
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LTDC_InitStruct.LTDC_TotalWidth = LCD_PHYS_W + HBP + HFP;
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hltdc.Init.TotalWidth = LCD_PHYS_W + HBP + HFP;
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/* Configure total height */
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LTDC_InitStruct.LTDC_TotalHeigh = LCD_PHYS_H + VBP + VFP;
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hltdc.Init.TotalHeigh = LCD_PHYS_H + VBP + VFP;
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LTDC_Init(<DC_InitStruct);
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HAL_LTDC_Init(&hltdc);
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// Configure IRQ (line)
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NVIC_InitTypeDef NVIC_InitStructure;
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NVIC_InitStructure.NVIC_IRQChannel = LTDC_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = LTDC_IRQ_PRIO;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init( &NVIC_InitStructure );
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NVIC_SetPriority(LTDC_IRQn, LTDC_IRQ_PRIO);
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NVIC_EnableIRQ(LTDC_IRQn);
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// Trigger on last line
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LTDC_LIPConfig(LCD_PHYS_H);
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LTDC_ITConfig(LTDC_IER_LIE, ENABLE);
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HAL_LTDC_ProgramLineEvent(&hltdc, LCD_PHYS_H);
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__HAL_LTDC_ENABLE_IT(&hltdc, LTDC_IT_LI);
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#if 0
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DMA2D_ITConfig(DMA2D_CR_TCIE, ENABLE);
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@@ -372,66 +349,49 @@ void LCD_Init_LTDC()
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void LCD_LayerInit()
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{
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LTDC_Layer_InitTypeDef LTDC_Layer_InitStruct;
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auto& layer = hltdc.LayerCfg[0];
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/* Windowing configuration */
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/* In this case all the active display area is used to display a picture then :
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Horizontal start = horizontal synchronization + Horizontal back porch = 30
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Horizontal stop = Horizontal start + window width -1 = 30 + 240 -1
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Vertical start = vertical synchronization + vertical back porch = 4
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Vertical stop = Vertical start + window height -1 = 4 + 320 -1 */
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LTDC_Layer_InitStruct.LTDC_HorizontalStart = HBP + 1;
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LTDC_Layer_InitStruct.LTDC_HorizontalStop = (LCD_PHYS_W + HBP);
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LTDC_Layer_InitStruct.LTDC_VerticalStart = VBP + 1;;
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LTDC_Layer_InitStruct.LTDC_VerticalStop = (LCD_PHYS_H + VBP);
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/* In this case all the active display area is used to display a picture */
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layer.WindowX0 = 0;
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layer.WindowX1 = LCD_PHYS_W;
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layer.WindowY0 = 0;
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layer.WindowY1 = LCD_PHYS_H;
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/* Pixel Format configuration*/
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LTDC_Layer_InitStruct.LTDC_PixelFormat = LTDC_Pixelformat_RGB565;
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layer.PixelFormat = LTDC_PIXEL_FORMAT_RGB565;
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/* Alpha constant (255 totally opaque) */
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LTDC_Layer_InitStruct.LTDC_ConstantAlpha = 255;
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layer.Alpha = 255;
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/* Default Color configuration (configure A,R,G,B component values) */
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LTDC_Layer_InitStruct.LTDC_DefaultColorBlue = 0;
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LTDC_Layer_InitStruct.LTDC_DefaultColorGreen = 0;
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LTDC_Layer_InitStruct.LTDC_DefaultColorRed = 0;
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LTDC_Layer_InitStruct.LTDC_DefaultColorAlpha = 0;
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layer.Backcolor.Blue = 0;
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layer.Backcolor.Green = 0;
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layer.Backcolor.Red = 0;
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layer.Alpha0 = 0;
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/* Configure blending factors */
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LTDC_Layer_InitStruct.LTDC_BlendingFactor_1 = LTDC_BlendingFactor1_CA;
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LTDC_Layer_InitStruct.LTDC_BlendingFactor_2 = LTDC_BlendingFactor2_CA;
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layer.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
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layer.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
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/* the length of one line of pixels in bytes + 3 then :
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Line Lenth = Active high width x number of bytes per pixel + 3
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Active high width = LCD_W
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number of bytes per pixel = 2 (pixel_format : RGB565)
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*/
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LTDC_Layer_InitStruct.LTDC_CFBLineLength = ((LCD_PHYS_W * 2) + 3);
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/* the pitch is the increment from the start of one line of pixels to the
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start of the next line in bytes, then :
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Pitch = Active high width x number of bytes per pixel */
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LTDC_Layer_InitStruct.LTDC_CFBPitch = (LCD_PHYS_W * 2);
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/* Configure the number of lines */
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LTDC_Layer_InitStruct.LTDC_CFBLineNumber = LCD_PHYS_H;
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layer.ImageWidth = LCD_PHYS_W;
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layer.ImageHeight = LCD_PHYS_H;
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/* Start Address configuration : the LCD Frame buffer is defined on SDRAM w/ Offset */
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#if defined(LCD_VERTICAL_INVERT)
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uint32_t layer_address = (uint32_t)_LCD_BUF_1;
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intptr_t layer_address = (intptr_t)_LCD_BUF_1;
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#else
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uint32_t layer_address = (uint32_t)lcdFront->getData();
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intptr_t layer_address = (intptr_t)initialFrameBuffer;
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#endif
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LTDC_Layer_InitStruct.LTDC_CFBStartAdress = layer_address;
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layer.FBStartAdress = layer_address;
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/* Initialize LTDC layer 1 */
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LTDC_LayerInit(LTDC_Layer1, <DC_Layer_InitStruct);
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HAL_LTDC_ConfigLayer(&hltdc, &hltdc.LayerCfg[0], 0);
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}
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/* LTDC configuration reload */
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LTDC_ReloadConfig(LTDC_IMReload);
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// Enable layer and reload
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LTDC_LayerCmd(LTDC_Layer1, ENABLE);
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LTDC_ReloadConfig(LTDC_IMReload);
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extern "C"
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void lcdSetInitalFrameBuffer(void* fbAddress)
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{
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initialFrameBuffer = fbAddress;
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}
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void LCD_Init(void)
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@@ -450,6 +410,7 @@ void LCD_Init(void)
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LCD_Init_LTDC();
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}
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extern "C"
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void lcdInit()
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{
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#if defined(LCD_VERTICAL_INVERT)
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@@ -463,175 +424,16 @@ void lcdInit()
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LCD_LayerInit();
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// Enable LCD display
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LTDC_Cmd(ENABLE);
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__HAL_LTDC_ENABLE(&hltdc);
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lcdSetFlushCb(startLcdRefresh);
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}
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void DMAWait()
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{
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while(DMA2D->CR & DMA2D_CR_START);
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}
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void DMACopyBitmap(uint16_t *dest, uint16_t destw, uint16_t desth, uint16_t x,
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uint16_t y, const uint16_t *src, uint16_t srcw,
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uint16_t srch, uint16_t srcx, uint16_t srcy, uint16_t w,
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uint16_t h)
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{
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DMAWait();
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DMA2D_DeInit();
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DMA2D_InitTypeDef DMA2D_InitStruct;
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DMA2D_InitStruct.DMA2D_Mode = DMA2D_M2M;
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DMA2D_InitStruct.DMA2D_CMode = DMA2D_RGB565;
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DMA2D_InitStruct.DMA2D_OutputMemoryAdd = CONVERT_PTR_UINT(dest + y*destw + x);
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DMA2D_InitStruct.DMA2D_OutputGreen = 0;
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DMA2D_InitStruct.DMA2D_OutputBlue = 0;
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DMA2D_InitStruct.DMA2D_OutputRed = 0;
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DMA2D_InitStruct.DMA2D_OutputAlpha = 0;
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DMA2D_InitStruct.DMA2D_OutputOffset = destw - w;
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DMA2D_InitStruct.DMA2D_NumberOfLine = h;
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DMA2D_InitStruct.DMA2D_PixelPerLine = w;
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DMA2D_Init(&DMA2D_InitStruct);
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DMA2D_FG_InitTypeDef DMA2D_FG_InitStruct;
|
||||
DMA2D_FG_StructInit(&DMA2D_FG_InitStruct);
|
||||
DMA2D_FG_InitStruct.DMA2D_FGMA = CONVERT_PTR_UINT(src + srcy*srcw + srcx);
|
||||
DMA2D_FG_InitStruct.DMA2D_FGO = srcw - w;
|
||||
DMA2D_FG_InitStruct.DMA2D_FGCM = CM_RGB565;
|
||||
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_MODE = NO_MODIF_ALPHA_VALUE;
|
||||
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_VALUE = 0;
|
||||
DMA2D_FGConfig(&DMA2D_FG_InitStruct);
|
||||
|
||||
/* Start Transfer */
|
||||
DMA2D_StartTransfer();
|
||||
}
|
||||
|
||||
void DMACopyAlphaBitmap(uint16_t *dest, uint16_t destw, uint16_t desth,
|
||||
uint16_t x, uint16_t y, const uint16_t *src,
|
||||
uint16_t srcw, uint16_t srch, uint16_t srcx,
|
||||
uint16_t srcy, uint16_t w, uint16_t h)
|
||||
{
|
||||
DMAWait();
|
||||
DMA2D_DeInit();
|
||||
|
||||
DMA2D_InitTypeDef DMA2D_InitStruct;
|
||||
DMA2D_InitStruct.DMA2D_Mode = DMA2D_M2M_BLEND;
|
||||
DMA2D_InitStruct.DMA2D_CMode = DMA2D_RGB565;
|
||||
DMA2D_InitStruct.DMA2D_OutputMemoryAdd = CONVERT_PTR_UINT(dest + y*destw + x);
|
||||
DMA2D_InitStruct.DMA2D_OutputGreen = 0;
|
||||
DMA2D_InitStruct.DMA2D_OutputBlue = 0;
|
||||
DMA2D_InitStruct.DMA2D_OutputRed = 0;
|
||||
DMA2D_InitStruct.DMA2D_OutputAlpha = 0;
|
||||
DMA2D_InitStruct.DMA2D_OutputOffset = destw - w;
|
||||
DMA2D_InitStruct.DMA2D_NumberOfLine = h;
|
||||
DMA2D_InitStruct.DMA2D_PixelPerLine = w;
|
||||
DMA2D_Init(&DMA2D_InitStruct);
|
||||
|
||||
DMA2D_FG_InitTypeDef DMA2D_FG_InitStruct;
|
||||
DMA2D_FG_StructInit(&DMA2D_FG_InitStruct);
|
||||
DMA2D_FG_InitStruct.DMA2D_FGMA = CONVERT_PTR_UINT(src + srcy*srcw + srcx);
|
||||
DMA2D_FG_InitStruct.DMA2D_FGO = srcw - w;
|
||||
DMA2D_FG_InitStruct.DMA2D_FGCM = CM_ARGB4444;
|
||||
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_MODE = NO_MODIF_ALPHA_VALUE;
|
||||
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_VALUE = 0;
|
||||
DMA2D_FGConfig(&DMA2D_FG_InitStruct);
|
||||
|
||||
DMA2D_BG_InitTypeDef DMA2D_BG_InitStruct;
|
||||
DMA2D_BG_StructInit(&DMA2D_BG_InitStruct);
|
||||
DMA2D_BG_InitStruct.DMA2D_BGMA = CONVERT_PTR_UINT(dest + y*destw + x);
|
||||
DMA2D_BG_InitStruct.DMA2D_BGO = destw - w;
|
||||
DMA2D_BG_InitStruct.DMA2D_BGCM = CM_RGB565;
|
||||
DMA2D_BG_InitStruct.DMA2D_BGPFC_ALPHA_MODE = NO_MODIF_ALPHA_VALUE;
|
||||
DMA2D_BG_InitStruct.DMA2D_BGPFC_ALPHA_VALUE = 0;
|
||||
DMA2D_BGConfig(&DMA2D_BG_InitStruct);
|
||||
|
||||
/* Start Transfer */
|
||||
DMA2D_StartTransfer();
|
||||
}
|
||||
|
||||
// same as DMACopyAlphaBitmap(), but with an 8 bit mask for each pixel (used by fonts)
|
||||
void DMACopyAlphaMask(uint16_t *dest, uint16_t destw, uint16_t desth,
|
||||
uint16_t x, uint16_t y, const uint8_t *src, uint16_t srcw,
|
||||
uint16_t srch, uint16_t srcx, uint16_t srcy, uint16_t w,
|
||||
uint16_t h, uint16_t bg_color)
|
||||
{
|
||||
DMAWait();
|
||||
DMA2D_DeInit();
|
||||
|
||||
DMA2D_InitTypeDef DMA2D_InitStruct;
|
||||
DMA2D_InitStruct.DMA2D_Mode = DMA2D_M2M_BLEND;
|
||||
DMA2D_InitStruct.DMA2D_CMode = CM_RGB565;
|
||||
DMA2D_InitStruct.DMA2D_OutputMemoryAdd = CONVERT_PTR_UINT(dest + y*destw + x);
|
||||
DMA2D_InitStruct.DMA2D_OutputBlue = 0;
|
||||
DMA2D_InitStruct.DMA2D_OutputGreen = 0;
|
||||
DMA2D_InitStruct.DMA2D_OutputRed = 0;
|
||||
DMA2D_InitStruct.DMA2D_OutputAlpha = 0;
|
||||
DMA2D_InitStruct.DMA2D_OutputOffset = destw - w;
|
||||
DMA2D_InitStruct.DMA2D_NumberOfLine = h;
|
||||
DMA2D_InitStruct.DMA2D_PixelPerLine = w;
|
||||
DMA2D_Init(&DMA2D_InitStruct);
|
||||
|
||||
DMA2D_FG_InitTypeDef DMA2D_FG_InitStruct;
|
||||
DMA2D_FG_StructInit(&DMA2D_FG_InitStruct);
|
||||
DMA2D_FG_InitStruct.DMA2D_FGMA = CONVERT_PTR_UINT(src + srcy*srcw + srcx);
|
||||
DMA2D_FG_InitStruct.DMA2D_FGO = srcw - w;
|
||||
DMA2D_FG_InitStruct.DMA2D_FGCM = CM_A8; // 8 bit inputs every time
|
||||
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_MODE = NO_MODIF_ALPHA_VALUE;
|
||||
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_VALUE = 0;
|
||||
DMA2D_FG_InitStruct.DMA2D_FGC_RED = GET_RED(bg_color); // 8 bit red
|
||||
DMA2D_FG_InitStruct.DMA2D_FGC_GREEN = GET_GREEN(bg_color); // 8 bit green
|
||||
DMA2D_FG_InitStruct.DMA2D_FGC_BLUE = GET_BLUE(bg_color); // 8 bit blue
|
||||
|
||||
DMA2D_FGConfig(&DMA2D_FG_InitStruct);
|
||||
|
||||
DMA2D_BG_InitTypeDef DMA2D_BG_InitStruct;
|
||||
DMA2D_BG_StructInit(&DMA2D_BG_InitStruct);
|
||||
DMA2D_BG_InitStruct.DMA2D_BGMA = CONVERT_PTR_UINT(dest + y*destw + x);
|
||||
DMA2D_BG_InitStruct.DMA2D_BGO = destw - w;
|
||||
DMA2D_BG_InitStruct.DMA2D_BGCM = CM_RGB565;
|
||||
DMA2D_BG_InitStruct.DMA2D_BGPFC_ALPHA_MODE = NO_MODIF_ALPHA_VALUE;
|
||||
DMA2D_BG_InitStruct.DMA2D_BGPFC_ALPHA_VALUE = 0;
|
||||
DMA2D_BGConfig(&DMA2D_BG_InitStruct);
|
||||
|
||||
/* Start Transfer */
|
||||
DMA2D_StartTransfer();
|
||||
}
|
||||
|
||||
void DMABitmapConvert(uint16_t * dest, const uint8_t * src, uint16_t w, uint16_t h, uint32_t format)
|
||||
{
|
||||
DMA2D_DeInit();
|
||||
|
||||
DMA2D_InitTypeDef DMA2D_InitStruct;
|
||||
DMA2D_InitStruct.DMA2D_Mode = DMA2D_M2M_PFC;
|
||||
DMA2D_InitStruct.DMA2D_CMode = format;
|
||||
DMA2D_InitStruct.DMA2D_OutputMemoryAdd = CONVERT_PTR_UINT(dest);
|
||||
DMA2D_InitStruct.DMA2D_OutputGreen = 0;
|
||||
DMA2D_InitStruct.DMA2D_OutputBlue = 0;
|
||||
DMA2D_InitStruct.DMA2D_OutputRed = 0;
|
||||
DMA2D_InitStruct.DMA2D_OutputAlpha = 0;
|
||||
DMA2D_InitStruct.DMA2D_OutputOffset = 0;
|
||||
DMA2D_InitStruct.DMA2D_NumberOfLine = h;
|
||||
DMA2D_InitStruct.DMA2D_PixelPerLine = w;
|
||||
DMA2D_Init(&DMA2D_InitStruct);
|
||||
|
||||
DMA2D_FG_InitTypeDef DMA2D_FG_InitStruct;
|
||||
DMA2D_FG_StructInit(&DMA2D_FG_InitStruct);
|
||||
DMA2D_FG_InitStruct.DMA2D_FGMA = CONVERT_PTR_UINT(src);
|
||||
DMA2D_FG_InitStruct.DMA2D_FGO = 0;
|
||||
DMA2D_FG_InitStruct.DMA2D_FGCM = CM_ARGB8888;
|
||||
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_MODE = REPLACE_ALPHA_VALUE;
|
||||
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_VALUE = 0;
|
||||
DMA2D_FGConfig(&DMA2D_FG_InitStruct);
|
||||
|
||||
/* Start Transfer */
|
||||
DMA2D_StartTransfer();
|
||||
}
|
||||
|
||||
extern "C" void LTDC_IRQHandler(void)
|
||||
{
|
||||
// clear interrupt flag
|
||||
LTDC->ICR = LTDC_ICR_CLIF;
|
||||
__HAL_LTDC_CLEAR_FLAG(&hltdc, LTDC_FLAG_LI);
|
||||
_frame_addr_reloaded = 1;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user