sani7/2023-Webservices_And_Applications
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge pull request #9 from Sani7/LCD_API

Browse Source 
Lcd api
This commit is contained in:
Sander Speetjens
2023-11-12 16:10:59 +01:00
committed by GitHub
parent e52be0e25e 142f93a7db
commit 56554dd337
10 changed files with 2594 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

83
project/Core/Src/lcd_api.c Normal file
View File

@@ -0,0 +1,83 @@
/**
* @file lcd_api.c
* @brief LCD API implementation
* @author Tim S.
* @todo Implement function to read images from fs
*/
#include "lcd_api.h"
static DMA2D_HandleTypeDef hDma2dHandler2;
void lcd_init(bool bl_on) {
BSP_LCD_Init();
BSP_LCD_LayerDefaultInit(1, LCD_FB_START_ADDRESS);
BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS + (BSP_LCD_GetXSize()*BSP_LCD_GetYSize()*4));
BSP_LCD_SelectLayer(0);
BSP_LCD_Clear(LCD_COLOR_BLACK);
BSP_LCD_SelectLayer(1);
BSP_LCD_Clear(LCD_COLOR_BLACK);
if (bl_on) {
HAL_GPIO_WritePin(GPIOK, GPIO_PIN_3, GPIO_PIN_SET);
HAL_GPIO_WritePin(GPIOI, GPIO_PIN_12, GPIO_PIN_SET);
} else {
HAL_GPIO_WritePin(GPIOK, GPIO_PIN_3, GPIO_PIN_RESET);
HAL_GPIO_WritePin(GPIOI, GPIO_PIN_12, GPIO_PIN_RESET);
}
}
void lcd_display_text(const char* text, uint16_t x_pos, uint16_t y_pos, uint32_t color, uint32_t bg_color, sFONT *font) {
uint16_t tot_length = x_pos + (strlen(text) * font->Width);
if ((x_pos % font->Width) != 0) {
x_pos -= (x_pos % font->Width);
}
BSP_LCD_SetTextColor(color);
BSP_LCD_SetBackColor(bg_color);
BSP_LCD_SetFont(font);
if (tot_length > BSP_LCD_GetXSize()) {
for (int i = 0; i < strlen(text); i++) {
if ((x_pos) > BSP_LCD_GetXSize() - (font->Width)*2) {
if (isalpha(text[i-1]) && isalpha(text[i])) {
BSP_LCD_DisplayChar(x_pos, y_pos, '-');
i -= 1;
}
x_pos = 0;
y_pos += font->Height;
} else {
BSP_LCD_DisplayChar(x_pos, y_pos, text[i]);
x_pos += font->Width;
}
}
} else {
BSP_LCD_DisplayStringAt(x_pos, y_pos, text, LEFT_MODE);
}
}
void lcd_draw_bmp(const void* p_src, uint32_t x_pos, uint32_t y_pos, uint32_t x_size, uint32_t y_size, uint32_t color_mode) {
uint32_t address = hLtdcHandler.LayerCfg[1].FBStartAdress + (((BSP_LCD_GetXSize()*y_pos) + x_pos)*(4));
void *p_dst = (void *)address;
hDma2dHandler2.Init.Mode = DMA2D_M2M_PFC;
hDma2dHandler2.Init.ColorMode = DMA2D_ARGB8888;
hDma2dHandler2.Init.OutputOffset = BSP_LCD_GetXSize()-x_size;
hDma2dHandler2.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA;
hDma2dHandler2.LayerCfg[1].InputAlpha = 0xFF;
hDma2dHandler2.LayerCfg[1].InputColorMode = color_mode;
hDma2dHandler2.LayerCfg[1].InputOffset = 0;
hDma2dHandler2.Instance = DMA2D;
if (HAL_DMA2D_Init(&hDma2dHandler2) == HAL_OK) {
if (HAL_DMA2D_ConfigLayer(&hDma2dHandler2, 1) == HAL_OK) {
if (HAL_DMA2D_Start(&hDma2dHandler2, (uint32_t)p_src, (uint32_t)p_dst, x_size, y_size) == HAL_OK) {
HAL_DMA2D_PollForTransfer(&hDma2dHandler2, 10);
}
}
}
}

5
project/Core/Src/main.c
View File

@@ -24,6 +24,8 @@
/* USER CODE BEGIN Includes */
#define LOGGER_LEVEL_ALL
#include "log.h"
#include "lcd_api.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
@@ -109,9 +111,8 @@ int main(void)
MX_LWIP_Init();
MX_QUADSPI_Init();
/* USER CODE BEGIN 2 */
lcd_init(true);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)