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/**
******************************************************************************
* @file BSP/Src/animation.c
* @author MCD Application Team
* @brief This example code shows animation with LCD, DMA2D and DCMI for
* stm32469i_discovery driver
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Defines ------------------------------------------------------------------*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "anime.h"
#include "battery_20x35.h"
#include "logo_compo_134x124.h"
#include "icon_camera_60x60.h"
#include "clouds1_124x44.h"
#include "clouds2_124x44.h"
#include "clouds3_124x44.h"
#include "drop_29x35.h"
#include "gauge1_128x126.h"
#include "gauge2_128x126.h"
#include "gauge3_128x126.h"
#include "gyro_36x36.h"
#include "thermo_25x35.h"
#include "bluetooth_30x35.h"
#include "drop_29x35.h"
/** @addtogroup STM32F4xx_HAL_Examples
* @{
*/
/** @addtogroup BSP
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define ANIMATION_STATUS_TEXT_POS 30 /* Number of lines from bottom of screen */
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
// Buffer construction
static anime_object_t anime_lcd_frame_buffer =
{
(uint32_t *)LCD_FB_START_ADDRESS,
BPP_ARGB8888, /* 0 = ARGB8888 format */
800,
480,
0x00000000, /* CLUT address */
0, /* CLUT size */
0 /* animation pointer */
};
extern DMA2D_HandleTypeDef hdma2d_eval; /* DMA2D handle variable */
/* Private function prototypes -----------------------------------------------*/
static void Animation_SetHint(void);
static void anime_draw_object(anime_object_t object, uint16_t pos_x, uint16_t pos_y, uint8_t transparency, anime_object_t buffer);
static void anime_draw_scene(anime_object_t object);
/* Private functions ---------------------------------------------------------*/
/**
* @brief Blend Foreground object 'object', with background object 'buffer' shifted by position (pos_x, pos_y)
* @ destination address in 'buffer' + (pos_x, pos_y)
* @param object : Source object
* @param pos_x : Position of offset X drawing in the destination buffer
* @param pos_y : Position of offset Y drawing in the destination buffer
* @param transparency : Draw object 'object' in destination buffer 'buffer' shifted by pos_x, pos_y with this opacity parameter.
* @param buffer : Destination buffer of the drawing.
* @retval None
*/
static void anime_draw_object(anime_object_t object,
uint16_t pos_x,
uint16_t pos_y,
uint8_t transparency,
anime_object_t buffer)
{
uint32_t bytePerPixel = 0;
if(buffer.bpp == BPP_ARGB8888)
{
bytePerPixel = 4;
}
else if(buffer.bpp == BPP_RGB888) /* RGB888 format */
{
bytePerPixel = 3;
}
else if ((buffer.bpp == BPP_RGB565) ||
(buffer.bpp == BPP_ARGB1555) ||
(buffer.bpp == BPP_ARGB4444) ||
(buffer.bpp == BPP_AL88)) /* RGB565 format */
{
bytePerPixel = 2;
}
else if ((buffer.bpp == BPP_L8) ||
(buffer.bpp == BPP_AL44) ||
(buffer.bpp == BPP_A8))
{
bytePerPixel = 1;
}
/* Configure FG object */
DMA2D->FGMAR = (uint32_t)(object.address);
DMA2D->FGOR = 0x00000000; /* No offset in Src for FG object */
/* If format of texture of 'object' contains an alpha information */
if((object.bpp == BPP_ARGB8888) ||
(object.bpp == BPP_ARGB1555) ||
(object.bpp == BPP_ARGB4444) ||
(object.bpp == BPP_AL44) ||
(object.bpp == BPP_AL88) ||
(object.bpp == BPP_A8) ||
(object.bpp == BPP_A4))
{
/* Alpha Mode Choice */
/* AM[1:0] = 2b10' => (0x2 << 16) : replace original alpha FG from texture by fixed alpha x original alpha texture */
DMA2D->FGPFCCR = (transparency << 24) + (0x2 << 16) + object.bpp;
}
else
{
/* No Alpha in texture of 'object' */
/* Alpha Mode Choice */
/* AM[1:0] = 2b01' => (0x1 << 16) : replace original alpha FG by ALPHA[7:0] : ie 'transparency' parameter */
DMA2D->FGPFCCR = (transparency << 24) + (0x1 << 16) + object.bpp;
}
DMA2D->NLR = (object.size_x << 16) + object.size_y;
/* Configure BG object */
/* Check if destination has direct color mode */
DMA2D->BGMAR = (uint32_t)buffer.address + (bytePerPixel * ((pos_y * buffer.size_x) + pos_x));
DMA2D->BGOR = buffer.size_x - object.size_x; /* Shall be same as output */
/* ALPHA[7:0] is not used, AM[1:0] = 2b00' : no modification of the original alpha embedded in texture */
DMA2D->BGPFCCR = buffer.bpp; /* CM[3:0] = buffer.bpp */
DMA2D->OMAR = DMA2D->BGMAR;
DMA2D->OOR = DMA2D->BGOR;
DMA2D->OPFCCR = DMA2D->BGPFCCR;
/* Clear flags */
DMA2D->IFCR = 0x3F;
/* Launch */
DMA2D->CR = 0x00020001; /* Type of Transfer is M2M with blending and PFC + Start bit (0x01) */
/* Wait till the copy is over */
while (!DMA2D->ISR);
DMA2D->IFCR = 0x02;
}
/**
* @brief Draw one by one all objects of scene using DMA2D operation in polling mode
* @param object
* @retval None
*/
static void anime_draw_scene(anime_object_t object)
{
anime_draw_object(battery_20x35, 50, 50, 0xFF, object);
anime_draw_object(logo_compo_134x124, 666, 356, 0xFF, object);
anime_draw_object(icon_camera_60x60, 209, 159, 0xFF, object);
gauge1_128x126.animation++;
switch(gauge1_128x126.animation)
{
case 1 :
anime_draw_object(gauge1_128x126, 336, 177, 0xFF, object);
break;
case 2 :
anime_draw_object(gauge2_128x126, 336, 177, 0xFF, object);
break;
default :
anime_draw_object(gauge3_128x126, 336, 177, 0xFF, object);
gauge1_128x126.animation = 0;
break;
} /* of switch(gauge1_128x126.animation) */
clouds1_124x44.animation++;
switch(clouds1_124x44.animation)
{
case 1 :
anime_draw_object(clouds1_124x44, 600, 50, 0xFF, object);
break;
case 2 :
anime_draw_object(clouds2_124x44, 600, 50, 0xFF, object);
break;
default :
anime_draw_object(clouds3_124x44, 600, 50, 0xFF, object);
clouds1_124x44.animation = 0;
break;
} /* of switch(clouds1_124x44.animation) */
anime_draw_object(drop_29x35, 300, 400, 0xFF, object);
anime_draw_object(thermo_25x35, 340, 400, 0xFF, object);
anime_draw_object(gyro_36x36, 370, 400, 0xFF, object);
anime_draw_object(bluetooth_30x35, 415, 400, 0xFF, object);
}
/* Public functions ---------------------------------------------------------*/
/**
* @brief Animation demo
* @param None
* @retval None
*/
void Animation_demo (void)
{
uint32_t exit = 0;
uint32_t entry = 1;
uint32_t initialState = 0;
Animation_SetHint();
/* Infinite loop */
while (exit == 0)
{
if(entry == 1) /* Entry */
{
entry = 0;
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
/* Clear first the LCD */
BSP_LCD_Clear(LCD_COLOR_WHITE);
} /* of if(entry == 1) */
/* Read initial state of button User */
initialState = BSP_PB_GetState(BUTTON_USER);
/* Toggle LED4 */
BSP_LED_Toggle(LED4);
/* Insert 100 ms delay */
HAL_Delay(100);
/* Toggle LED2 */
BSP_LED_Toggle(LED2);
/* Insert 400 ms delay */
HAL_Delay(400);
/* update the scene */
anime_draw_scene(anime_lcd_frame_buffer);
/* Re check button state */
if(BSP_PB_GetState(BUTTON_USER) != initialState)
{
exit = 1;
}
} /* of while (exit == 0) */
}
/**
* @brief Display Animation demo hint
* @param None
* @retval None
*/
static void Animation_SetHint(void)
{
/* Clear the LCD */
BSP_LCD_Clear(LCD_COLOR_WHITE);
/* Set Camera Demo description */
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 90);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetFont(&Font24);
BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"ANIMATION EXAMPLE", CENTER_MODE);
BSP_LCD_SetFont(&Font12);
BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)" Press USER button to exit ", CENTER_MODE);
/* Set the LCD Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_DrawRect(10, 100, BSP_LCD_GetXSize() - 20, BSP_LCD_GetYSize() - 110);
BSP_LCD_DrawRect(11, 101, BSP_LCD_GetXSize() - 22, BSP_LCD_GetYSize() - 112);
}
/**
* @}
*/
/**
* @}
*/