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This commit is contained in:
Jasper Blanckenburg
2023-03-06 21:21:00 +01:00
parent 2cadbff590
commit 8a2bdc347c
1214 changed files with 358250 additions and 87 deletions
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52
TouchGFX/target/STM32TouchController.cpp Normal file
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/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : STM32TouchController.cpp
******************************************************************************
* This file was created by TouchGFX Generator 4.21.1. This file is only
* generated once! Delete this file from your project and re-generate code
* using STM32CubeMX or change this file manually to update it.
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
/* USER CODE END Header */
/* USER CODE BEGIN STM32TouchController */
#include <STM32TouchController.hpp>
void STM32TouchController::init()
{
/**
* Initialize touch controller and driver
*
*/
}
bool STM32TouchController::sampleTouch(int32_t& x, int32_t& y)
{
/**
* By default sampleTouch returns false,
* return true if a touch has been detected, otherwise false.
*
* Coordinates are passed to the caller by reference by x and y.
*
* This function is called by the TouchGFX framework.
* By default sampleTouch is called every tick, this can be adjusted by HAL::setTouchSampleRate(int8_t);
*
*/
return false;
}
/* USER CODE END STM32TouchController */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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TouchGFX/target/STM32TouchController.hpp Normal file
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/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : STM32TouchController.hpp
******************************************************************************
* This file was created by TouchGFX Generator 4.21.1. This file is only
* generated once! Delete this file from your project and re-generate code
* using STM32CubeMX or change this file manually to update it.
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
/* USER CODE END Header */
/* USER CODE BEGIN STM32TouchController */
#ifndef STM32TOUCHCONTROLLER_HPP
#define STM32TOUCHCONTROLLER_HPP
#include <platform/driver/touch/TouchController.hpp>
/**
* @class STM32TouchController
*
* @brief This class specializes TouchController Interface.
*
* @sa touchgfx::TouchController
*/
class STM32TouchController : public touchgfx::TouchController
{
public:
STM32TouchController() {}
/**
* @fn virtual void STM32TouchController::init() = 0;
*
* @brief Initializes touch controller.
*
* Initializes touch controller.
*/
virtual void init();
/**
* @fn virtual bool STM32TouchController::sampleTouch(int32_t& x, int32_t& y) = 0;
*
* @brief Checks whether the touch screen is being touched, and if so, what coordinates.
*
* Checks whether the touch screen is being touched, and if so, what coordinates.
*
* @param [out] x The x position of the touch
* @param [out] y The y position of the touch
*
* @return True if a touch has been detected, otherwise false.
*/
virtual bool sampleTouch(int32_t& x, int32_t& y);
};
#endif // STM32TOUCHCONTROLLER_HPP
/* USER CODE END STM32TouchController */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

176
TouchGFX/target/TouchGFXGPIO.cpp Normal file
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/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : TouchGFXGPIO.cpp
******************************************************************************
* This file was created by TouchGFX Generator 4.21.1. This file is only
* generated once! Delete this file from your project and re-generate code
* using STM32CubeMX or change this file manually to update it.
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
/* USER CODE END Header */
#include <touchgfx/hal/GPIO.hpp>
/**
* GPIO_ID Enum
* The signals represented by this enum are used by TouchGFX framework to signal internal events.
*
* VSYNC_FREQ, /// Pin is toggled at each VSYNC
* RENDER_TIME, /// Pin is high when frame rendering begins, low when finished
* FRAME_RATE, /// Pin is toggled when the frame buffers are swapped.
* MCU_ACTIVE /// Pin is high when framework is utilizing the MCU.
*
* Configure GPIO's with the same name as the GPIO_IDs above, as output, in CubeMX to export
* the signals for performance measuring. See support.touchgfx.com for further details.
*
*/
/* USER CODE BEGIN TouchGFXGPIO.cpp */
#include "main.h"
using namespace touchgfx;
/*
* Perform configuration of IO pins.
*/
void GPIO::init()
{
}
/*
* Sets a pin high.
*/
void GPIO::set(GPIO_ID id)
{
switch (id)
{
case GPIO::VSYNC_FREQ:
#if defined(VSYNC_FREQ_GPIO_Port) && defined(VSYNC_FREQ_Pin)
HAL_GPIO_WritePin(VSYNC_FREQ_GPIO_Port, VSYNC_FREQ_Pin, GPIO_PIN_SET);
#endif
break;
case GPIO::RENDER_TIME:
#if defined(RENDER_TIME_GPIO_Port) && defined(RENDER_TIME_Pin)
HAL_GPIO_WritePin(RENDER_TIME_GPIO_Port, RENDER_TIME_Pin, GPIO_PIN_SET);
#endif
break;
case GPIO::FRAME_RATE:
#if defined(FRAME_RATE_GPIO_Port) && defined(FRAME_RATE_Pin)
HAL_GPIO_WritePin(FRAME_RATE_GPIO_Port, FRAME_RATE_Pin, GPIO_PIN_SET);
#endif
break;
case GPIO::MCU_ACTIVE:
#if defined(MCU_ACTIVE_GPIO_Port) && defined(MCU_ACTIVE_Pin)
HAL_GPIO_WritePin(MCU_ACTIVE_GPIO_Port, MCU_ACTIVE_Pin, GPIO_PIN_SET);
#endif
break;
}
}
/*
* Sets a pin low.
*/
void GPIO::clear(GPIO_ID id)
{
switch (id)
{
case GPIO::VSYNC_FREQ:
#if defined(VSYNC_FREQ_GPIO_Port) && defined(VSYNC_FREQ_Pin)
HAL_GPIO_WritePin(VSYNC_FREQ_GPIO_Port, VSYNC_FREQ_Pin, GPIO_PIN_RESET);
#endif
break;
case GPIO::RENDER_TIME:
#if defined(RENDER_TIME_GPIO_Port) && defined(RENDER_TIME_Pin)
HAL_GPIO_WritePin(RENDER_TIME_GPIO_Port, RENDER_TIME_Pin, GPIO_PIN_RESET);
#endif
break;
case GPIO::FRAME_RATE:
#if defined(FRAME_RATE_GPIO_Port) && defined(FRAME_RATE_Pin)
HAL_GPIO_WritePin(FRAME_RATE_GPIO_Port, FRAME_RATE_Pin, GPIO_PIN_RESET);
#endif
break;
case GPIO::MCU_ACTIVE:
#if defined(MCU_ACTIVE_GPIO_Port) && defined(MCU_ACTIVE_Pin)
HAL_GPIO_WritePin(MCU_ACTIVE_GPIO_Port, MCU_ACTIVE_Pin, GPIO_PIN_RESET);
#endif
break;
}
}
/*
* Toggles a pin.
*/
void GPIO::toggle(GPIO_ID id)
{
switch (id)
{
case GPIO::VSYNC_FREQ:
#if defined(VSYNC_FREQ_GPIO_Port) && defined(VSYNC_FREQ_Pin)
HAL_GPIO_TogglePin(VSYNC_FREQ_GPIO_Port, VSYNC_FREQ_Pin);
#endif
break;
case GPIO::RENDER_TIME:
#if defined(RENDER_TIME_GPIO_Port) && defined(RENDER_TIME_Pin)
HAL_GPIO_TogglePin(RENDER_TIME_GPIO_Port, RENDER_TIME_Pin);
#endif
break;
case GPIO::FRAME_RATE:
#if defined(FRAME_RATE_GPIO_Port) && defined(FRAME_RATE_Pin)
HAL_GPIO_TogglePin(FRAME_RATE_GPIO_Port, FRAME_RATE_Pin);
#endif
break;
case GPIO::MCU_ACTIVE:
#if defined(MCU_ACTIVE_GPIO_Port) && defined(MCU_ACTIVE_Pin)
HAL_GPIO_TogglePin(MCU_ACTIVE_GPIO_Port, MCU_ACTIVE_Pin);
#endif
break;
}
}
/*
* Gets the state of a pin.
*/
bool GPIO::get(GPIO_ID id)
{
GPIO_PinState bitstatus = GPIO_PIN_RESET;
switch (id)
{
case GPIO::VSYNC_FREQ:
#if defined(VSYNC_FREQ_GPIO_Port) && defined(VSYNC_FREQ_Pin)
bitstatus = HAL_GPIO_ReadPin(VSYNC_FREQ_GPIO_Port, VSYNC_FREQ_Pin);
#endif
break;
case GPIO::RENDER_TIME:
#if defined(RENDER_TIME_GPIO_Port) && defined(RENDER_TIME_Pin)
bitstatus = HAL_GPIO_ReadPin(RENDER_TIME_GPIO_Port, RENDER_TIME_Pin);
#endif
break;
case GPIO::FRAME_RATE:
#if defined(FRAME_RATE_GPIO_Port) && defined(FRAME_RATE_Pin)
bitstatus = HAL_GPIO_ReadPin(FRAME_RATE_GPIO_Port, FRAME_RATE_Pin);
#endif
break;
case GPIO::MCU_ACTIVE:
#if defined(MCU_ACTIVE_GPIO_Port) && defined(MCU_ACTIVE_Pin)
bitstatus = HAL_GPIO_ReadPin(MCU_ACTIVE_GPIO_Port, MCU_ACTIVE_Pin);
#endif
break;
}
return (bitstatus == GPIO_PIN_SET);
}
/* USER CODE END TouchGFXGPIO.cpp */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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TouchGFX/target/TouchGFXHAL.cpp Normal file
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/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : TouchGFXHAL.cpp
******************************************************************************
* This file was created by TouchGFX Generator 4.21.1. This file is only
* generated once! Delete this file from your project and re-generate code
* using STM32CubeMX or change this file manually to update it.
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
/* USER CODE END Header */
#include <TouchGFXHAL.hpp>
/* USER CODE BEGIN TouchGFXHAL.cpp */
using namespace touchgfx;
void TouchGFXHAL::initialize()
{
// Calling parent implementation of initialize().
//
// To overwrite the generated implementation, omit call to parent function
// and implemented needed functionality here.
// Please note, HAL::initialize() must be called to initialize the framework.
TouchGFXGeneratedHAL::initialize();
}
/**
* Gets the frame buffer address used by the TFT controller.
*
* @return The address of the frame buffer currently being displayed on the TFT.
*/
uint16_t* TouchGFXHAL::getTFTFrameBuffer() const
{
// Calling parent implementation of getTFTFrameBuffer().
//
// To overwrite the generated implementation, omit call to parent function
// and implemented needed functionality here.
return TouchGFXGeneratedHAL::getTFTFrameBuffer();
}
/**
* Sets the frame buffer address used by the TFT controller.
*
* @param [in] address New frame buffer address.
*/
void TouchGFXHAL::setTFTFrameBuffer(uint16_t* address)
{
// Calling parent implementation of setTFTFrameBuffer(uint16_t* address).
//
// To overwrite the generated implementation, omit call to parent function
// and implemented needed functionality here.
TouchGFXGeneratedHAL::setTFTFrameBuffer(address);
}
/**
* This function is called whenever the framework has performed a partial draw.
*
* @param rect The area of the screen that has been drawn, expressed in absolute coordinates.
*
* @see flushFrameBuffer().
*/
void TouchGFXHAL::flushFrameBuffer(const touchgfx::Rect& rect)
{
// Calling parent implementation of flushFrameBuffer(const touchgfx::Rect& rect).
//
// To overwrite the generated implementation, omit call to parent function
// and implemented needed functionality here.
// Please note, HAL::flushFrameBuffer(const touchgfx::Rect& rect) must
// be called to notify the touchgfx framework that flush has been performed.
// To calculate he start adress of rect,
// use advanceFrameBufferToRect(uint8_t* fbPtr, const touchgfx::Rect& rect)
// defined in TouchGFXGeneratedHAL.cpp
TouchGFXGeneratedHAL::flushFrameBuffer(rect);
}
bool TouchGFXHAL::blockCopy(void* RESTRICT dest, const void* RESTRICT src, uint32_t numBytes)
{
return TouchGFXGeneratedHAL::blockCopy(dest, src, numBytes);
}
/**
* Configures the interrupts relevant for TouchGFX. This primarily entails setting
* the interrupt priorities for the DMA and LCD interrupts.
*/
void TouchGFXHAL::configureInterrupts()
{
// Calling parent implementation of configureInterrupts().
//
// To overwrite the generated implementation, omit call to parent function
// and implemented needed functionality here.
TouchGFXGeneratedHAL::configureInterrupts();
}
/**
* Used for enabling interrupts set in configureInterrupts()
*/
void TouchGFXHAL::enableInterrupts()
{
// Calling parent implementation of enableInterrupts().
//
// To overwrite the generated implementation, omit call to parent function
// and implemented needed functionality here.
TouchGFXGeneratedHAL::enableInterrupts();
}
/**
* Used for disabling interrupts set in configureInterrupts()
*/
void TouchGFXHAL::disableInterrupts()
{
// Calling parent implementation of disableInterrupts().
//
// To overwrite the generated implementation, omit call to parent function
// and implemented needed functionality here.
TouchGFXGeneratedHAL::disableInterrupts();
}
/**
* Configure the LCD controller to fire interrupts at VSYNC. Called automatically
* once TouchGFX initialization has completed.
*/
void TouchGFXHAL::enableLCDControllerInterrupt()
{
// Calling parent implementation of enableLCDControllerInterrupt().
//
// To overwrite the generated implementation, omit call to parent function
// and implemented needed functionality here.
TouchGFXGeneratedHAL::enableLCDControllerInterrupt();
}
bool TouchGFXHAL::beginFrame()
{
return TouchGFXGeneratedHAL::beginFrame();
}
void TouchGFXHAL::endFrame()
{
TouchGFXGeneratedHAL::endFrame();
}
/* USER CODE END TouchGFXHAL.cpp */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : TouchGFXHAL.hpp
******************************************************************************
* This file was created by TouchGFX Generator 4.21.1. This file is only
* generated once! Delete this file from your project and re-generate code
* using STM32CubeMX or change this file manually to update it.
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
/* USER CODE END Header */
#ifndef TouchGFXHAL_HPP
#define TouchGFXHAL_HPP
/* USER CODE BEGIN TouchGFXHAL.hpp */
#include <TouchGFXGeneratedHAL.hpp>
/**
* @class TouchGFXHAL
*
* @brief HAL implementation for TouchGFX.
*
* @sa HAL
*/
class TouchGFXHAL : public TouchGFXGeneratedHAL
{
public:
/**
* @fn TouchGFXHAL::TouchGFXHAL(touchgfx::DMA_Interface& dma, touchgfx::LCD& display, touchgfx::TouchController& tc, uint16_t width, uint16_t height) : TouchGFXGeneratedHAL(dma, display, tc, width, height)
*
* @brief Constructor.
*
* Constructor. Initializes members.
*
* @param [in,out] dma Reference to DMA interface.
* @param [in,out] display Reference to LCD interface.
* @param [in,out] tc Reference to Touch Controller driver.
* @param width Width of the display.
* @param height Height of the display.
*/
TouchGFXHAL(touchgfx::DMA_Interface& dma, touchgfx::LCD& display, touchgfx::TouchController& tc, uint16_t width, uint16_t height) : TouchGFXGeneratedHAL(dma, display, tc, width, height)
{
}
virtual void initialize();
/**
* @fn virtual void TouchGFXHAL::disableInterrupts();
*
* @brief Disables the DMA and LCD interrupts.
*
* Disables the DMA and LCD interrupts.
*/
virtual void disableInterrupts();
/**
* @fn virtual void TouchGFXHAL::enableInterrupts();
*
* @brief Enables the DMA and LCD interrupts.
*
* Enables the DMA and LCD interrupts.
*/
virtual void enableInterrupts();
/**
* @fn virtual void TouchGFXHAL::configureInterrupts();
*
* @brief Sets the DMA and LCD interrupt priorities.
*
* Sets the DMA and LCD interrupt priorities.
*/
virtual void configureInterrupts();
/**
* @fn virtual void TouchGFXHAL::enableLCDControllerInterrupt();
*
* @brief Configure the LCD controller to fire interrupts at VSYNC.
*
* Configure the LCD controller to fire interrupts at VSYNC. Called automatically
* once TouchGFX initialization has completed.
*/
virtual void enableLCDControllerInterrupt();
virtual bool beginFrame();
virtual void endFrame();
/**
* @fn virtual void TouchGFXHAL::flushFrameBuffer();
*
* @brief This function is called whenever the framework has performed a complete draw.
*
* This specialization is only in place to keep compilers happy. Base impl. will call the
* Rect version.
* @see HAL::flushFrameBuffer
*/
virtual void flushFrameBuffer()
{
TouchGFXGeneratedHAL::flushFrameBuffer();
}
/**
* @fn virtual void TouchGFXHAL::flushFrameBuffer(const Rect& rect);
*
* @brief This function is called whenever the framework has performed a partial draw.
*
* This function is called whenever the framework has performed a partial draw.
* On the STM32F7, make sure to clean and invalidate the data cache. This is to
* ensure that LTDC sees correct data when transferring to the display.
*
* @param rect The area of the screen that has been drawn, expressed in absolute coordinates.
*
* @see flushFrameBuffer().
*/
virtual void flushFrameBuffer(const touchgfx::Rect& rect);
/**
* @fn virtual bool TouchGFXHAL::blockCopy(void* RESTRICT dest, const void* RESTRICT src, uint32_t numBytes);
*
* @brief This function performs a platform-specific memcpy.
*
* This function performs a platform-specific memcpy, if supported by the hardware.
*
* @param [out] dest Pointer to destination memory.
* @param [in] src Pointer to source memory.
* @param numBytes Number of bytes to copy.
*
* @return true if the copy succeeded, false if copy was not performed.
*/
virtual bool blockCopy(void* RESTRICT dest, const void* RESTRICT src, uint32_t numBytes);
protected:
/**
* @fn virtual uint16_t* TouchGFXHAL::getTFTFrameBuffer() const;
*
* @brief Gets the frame buffer address used by the TFT controller.
*
* Gets the frame buffer address used by the TFT controller.
*
* @return The address of the frame buffer currently being displayed on the TFT.
*/
virtual uint16_t* getTFTFrameBuffer() const;
/**
* @fn virtual void TouchGFXHAL::setTFTFrameBuffer(uint16_t* adr);
*
* @brief Sets the frame buffer address used by the TFT controller.
*
* Sets the frame buffer address used by the TFT controller.
*
* @param [in,out] adr New frame buffer address.
*/
virtual void setTFTFrameBuffer(uint16_t* adr);
};
/* USER CODE END TouchGFXHAL.hpp */
#endif // TouchGFXHAL_HPP
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* File Name : OSWrappers.cpp
******************************************************************************
* This file is generated by TouchGFX Generator 4.21.2. Please, do not edit!
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
#include <cassert>
#include <touchgfx/hal/HAL.hpp>
#include <touchgfx/hal/OSWrappers.hpp>
#include "stm32h7xx.h"
#include "tx_api.h"
#include "tx_byte_pool.h"
// tx_thread.h is not C++ compatible, declare used symbols here as externals
extern "C" volatile UINT _tx_thread_preempt_disable;
extern "C" VOID _tx_thread_system_preempt_check(VOID);
#define OSWRAPPER_BYTE_POOL_SIZE TX_BYTE_POOL_MIN
#define OSWRAPPER_QUEUE_SIZE sizeof(ULONG)
static uint8_t oswrapper_pool_mem[OSWRAPPER_BYTE_POOL_SIZE];
static TX_BYTE_POOL oswrapper_byte_pool;
static TX_SEMAPHORE frame_buffer_sem = { 0 };
static TX_QUEUE vsync_q = { 0 };
// Just a dummy message to insert in the VSYNC queue.
static ULONG dummy_msg = 0x5A5A5A5A;
using namespace touchgfx;
/*
* Initialize frame buffer semaphore and queue/mutex for VSYNC signal.
*/
void OSWrappers::initialize()
{
CHAR* pointer;
/* Create a byte memory pool from which to allocate the thread stacks. */
if (tx_byte_pool_create(&oswrapper_byte_pool, (CHAR*) "OSWrapper Byte Pool", oswrapper_pool_mem,
OSWRAPPER_BYTE_POOL_SIZE) != TX_SUCCESS)
{
assert(0 && "Failed to create OSWrapper Pool memory!");
}
/* Allocate the vsync_q. */
if (tx_byte_allocate(&oswrapper_byte_pool, (VOID**) &pointer,
OSWRAPPER_QUEUE_SIZE, TX_NO_WAIT) != TX_SUCCESS)
{
assert(0 && "Failed to allocate memory for the Vsync Message Queue!");
}
// Create a queue of length 1
if (tx_queue_create(&vsync_q, (CHAR*) "Vsync Message Queue", TX_1_ULONG,
pointer, OSWRAPPER_QUEUE_SIZE) != TX_SUCCESS)
{
assert(0 && "Failed to create Vsync Message Queue!");
}
// Create the Framebuffer Semaphore (Binary)
if (tx_semaphore_create(&frame_buffer_sem, (CHAR*) "FrameBuffer Semaphore", 1) != TX_SUCCESS)
{
assert(0 && "Failed to create FrameBuffer Semaphore!");
}
}
/*
* Take the frame buffer semaphore. Blocks until semaphore is available.
*/
void OSWrappers::takeFrameBufferSemaphore()
{
if (tx_semaphore_get(&frame_buffer_sem, TX_WAIT_FOREVER) != TX_SUCCESS)
{
assert(0 && "Failed to get FrameBuffer Semaphore!");
}
}
/*
* Release the frame buffer semaphore.
*/
void OSWrappers::giveFrameBufferSemaphore()
{
if (!frame_buffer_sem.tx_semaphore_count)
{
if (tx_semaphore_put(&frame_buffer_sem) != TX_SUCCESS)
{
assert(0 && "Failed to put FrameBuffer Semaphore!");
}
}
}
/*
* Attempt to obtain the frame buffer semaphore. If semaphore is not available, do
* nothing.
*
* Note must return immediately! This function does not care who has the taken the semaphore,
* it only serves to make sure that the semaphore is taken by someone.
*/
void OSWrappers::tryTakeFrameBufferSemaphore()
{
if (tx_semaphore_get(&frame_buffer_sem, TX_NO_WAIT) != TX_SUCCESS)
{
// Typically we should inform the requester about failing to get this semaphore
// Maybe we should update the prototype of this method to return the result of the try
// assert(0 && "Failed to get FrameBuffer Semaphore!");
}
}
/*
* Release the frame buffer semaphore in a way that is safe in interrupt context. Called
* from ISR.
*
* Release the frame buffer semaphore in a way that is safe in interrupt context.
* Called from ISR.
*/
void OSWrappers::giveFrameBufferSemaphoreFromISR()
{
TX_INTERRUPT_SAVE_AREA
TX_DISABLE;
_tx_thread_preempt_disable++;
if (!frame_buffer_sem.tx_semaphore_count)
{
if (tx_semaphore_put(&frame_buffer_sem) != TX_SUCCESS)
{
assert(0 && "Failed to put FrameBuffer Semaphore!");
}
}
_tx_thread_preempt_disable--;
TX_RESTORE;
_tx_thread_system_preempt_check();
}
/*
* Signal that a VSYNC has occurred. Should make the vsync queue/mutex available.
*
* Note This function is called from an ISR, and should (depending on OS) trigger a
* scheduling.
*/
void OSWrappers::signalVSync()
{
UINT ret;
// Send the message only if the queue is empty.
// This call is from ISR, so no need to re-send
// the message if not yet consumed by threads
if (vsync_q.tx_queue_enqueued == 0)
{
// This is supposed to be called from Vsync Interrupt Handler
// So wait_option should be equal to TX_NO_WAIT
ret = tx_queue_send(&vsync_q, &dummy_msg, TX_NO_WAIT);
if (ret != TX_SUCCESS)
{
assert(0 && "Failed to Signal Vsync!");
}
}
}
/*
* Signal that the rendering of the frame has completed. Used by
* some systems to avoid using any previous vsync.
*/
void OSWrappers::signalRenderingDone()
{
}
/*
* This function blocks until a VSYNC occurs.
*
* Note This function must first clear the mutex/queue and then wait for the next one to
* occur.
*/
void OSWrappers::waitForVSync()
{
UINT ret;
// First make sure the queue is empty, by trying to remove an element with 0 timeout.
ret = tx_queue_receive(&vsync_q, &dummy_msg, TX_NO_WAIT);
if ((ret == TX_SUCCESS) || (ret == TX_QUEUE_EMPTY))
{
// Then, wait for next VSYNC to occur.
ret = tx_queue_receive(&vsync_q, &dummy_msg, TX_WAIT_FOREVER);
}
if (ret != TX_SUCCESS)
{
assert(0 && "Failed to Wait for Vsync!");
}
}
/*
* A function that causes executing task to sleep for a number of milliseconds.
*
* A function that causes executing task to sleep for a number of milliseconds.
* This function is OPTIONAL. It is only used by the TouchGFX in the case of
* a specific frame refresh strategy (REFRESH_STRATEGY_OPTIM_SINGLE_BUFFER_TFT_CTRL).
* Due to backwards compatibility, in order for this function to be useable by the HAL
* the function must be explicitly registered:
* hal.registerTaskDelayFunction(&OSWrappers::taskDelay)
*
* see HAL::setFrameRefreshStrategy(FrameRefreshStrategy s)
* see HAL::registerTaskDelayFunction(void (*delayF)(uint16_t))
*/
void OSWrappers::taskDelay(uint16_t ms)
{
tx_thread_sleep(ms);
}
/**
* A function that causes the executing task to yield control to
* another thread. This function is used by the framework when it
* is necessary to wait a little before continuing (e.g. drawing).
*
* The implementation should typically request the operating
* system to change to another task of similar priority. When
* running without an operating system, the implementation can run
* a very short task and return.
*/
void OSWrappers::taskYield()
{
/* Check if this API is called from Interrupt Service Routines */
if (__get_IPSR() == 0U)
{
/* Call the tx_thread_relinquish to relinquishes processor control to
other ready-to-run threads at the same or higher priority. */
tx_thread_relinquish();
}
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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TouchGFX/target/generated/STM32DMA.cpp Normal file
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@ -0,0 +1,689 @@
/**
******************************************************************************
* File Name : STM32DMA.cpp
******************************************************************************
* This file is generated by TouchGFX Generator 4.21.2. Please, do not edit!
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
#include "stm32h7xx_hal.h"
#include "stm32h7xx_hal_dma2d.h"
#include <STM32DMA.hpp>
#include <cassert>
#include <touchgfx/Color.hpp>
#include <touchgfx/hal/HAL.hpp>
#include <touchgfx/hal/OSWrappers.hpp>
#include <touchgfx/lcd/LCD.hpp>
/* Makes touchgfx specific types and variables visible to this file */
using namespace touchgfx;
typedef struct
{
const uint16_t format;
const uint16_t size;
const uint32_t* const data;
} clutData_t;
extern "C" void DMA2D_IRQHandler()
{
/* Transfer Complete Interrupt management ************************************/
if ((READ_REG(DMA2D->ISR) & DMA2D_FLAG_TC) != RESET)
{
/* Verify Transfer Complete Interrupt */
if ((READ_REG(DMA2D->CR) & DMA2D_IT_TC) != RESET)
{
/* Disable the transfer complete interrupt */
DMA2D->CR &= ~(DMA2D_IT_TC);
/* Clear the transfer complete flag */
DMA2D->IFCR = (DMA2D_FLAG_TC);
/* Signal DMA queue of execution complete */
touchgfx::HAL::getInstance()->signalDMAInterrupt();
}
}
}
STM32DMA::STM32DMA()
: DMA_Interface(dma_queue), dma_queue(queue_storage, sizeof(queue_storage) / sizeof(queue_storage[0]))
{
}
STM32DMA::~STM32DMA()
{
/* Disable DMA2D global Interrupt */
NVIC_DisableIRQ(DMA2D_IRQn);
}
void STM32DMA::initialize()
{
/* Ensure DMA2D Clock is enabled */
__HAL_RCC_DMA2D_CLK_ENABLE();
__HAL_RCC_DMA2D_FORCE_RESET();
__HAL_RCC_DMA2D_RELEASE_RESET();
/* Enable DMA2D global Interrupt */
HAL_NVIC_SetPriority(DMA2D_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(DMA2D_IRQn);
}
inline uint32_t STM32DMA::getChromARTInputFormat(Bitmap::BitmapFormat format)
{
// Default color mode set to ARGB8888
uint32_t dma2dColorMode = DMA2D_INPUT_ARGB8888;
switch (format)
{
case Bitmap::ARGB8888: /* DMA2D input mode set to 32bit ARGB */
dma2dColorMode = DMA2D_INPUT_ARGB8888;
break;
case Bitmap::RGB888: /* DMA2D input mode set to 24bit RGB */
dma2dColorMode = DMA2D_INPUT_RGB888;
break;
case Bitmap::RGB565: /* DMA2D input mode set to 16bit RGB */
dma2dColorMode = DMA2D_INPUT_RGB565;
break;
case Bitmap::ARGB2222: /* Fall through */
case Bitmap::ABGR2222: /* Fall through */
case Bitmap::RGBA2222: /* Fall through */
case Bitmap::BGRA2222: /* Fall through */
case Bitmap::L8: /* DMA2D input mode set to 8bit Color Look up table*/
dma2dColorMode = DMA2D_INPUT_L8;
break;
case Bitmap::BW: /* Fall through */
case Bitmap::BW_RLE: /* Fall through */
case Bitmap::GRAY4: /* Fall through */
case Bitmap::GRAY2: /* Fall through */
default: /* Unsupported input format for DMA2D */
assert(0 && "Unsupported Format!");
break;
}
return dma2dColorMode;
}
inline uint32_t STM32DMA::getChromARTOutputFormat(Bitmap::BitmapFormat format)
{
// Default color mode set to ARGB8888
uint32_t dma2dColorMode = DMA2D_OUTPUT_ARGB8888;
switch (format)
{
case Bitmap::ARGB8888: /* DMA2D output mode set to 32bit ARGB */
dma2dColorMode = DMA2D_OUTPUT_ARGB8888;
break;
case Bitmap::RGB888: /* Fall through */
case Bitmap::ARGB2222: /* Fall through */
case Bitmap::ABGR2222: /* Fall through */
case Bitmap::RGBA2222: /* Fall through */
case Bitmap::BGRA2222: /* DMA2D output mode set to 24bit RGB */
dma2dColorMode = DMA2D_OUTPUT_RGB888;
break;
case Bitmap::RGB565: /* DMA2D output mode set to 16bit RGB */
dma2dColorMode = DMA2D_OUTPUT_RGB565;
break;
case Bitmap::L8: /* Fall through */
case Bitmap::BW: /* Fall through */
case Bitmap::BW_RLE: /* Fall through */
case Bitmap::GRAY4: /* Fall through */
case Bitmap::GRAY2: /* Fall through */
default: /* Unsupported output format for DMA2D */
assert(0 && "Unsupported Format!");
break;
}
return dma2dColorMode;
}
BlitOperations STM32DMA::getBlitCaps()
{
return static_cast<BlitOperations>(BLIT_OP_FILL
| BLIT_OP_FILL_WITH_ALPHA
| BLIT_OP_COPY
| BLIT_OP_COPY_L8
| BLIT_OP_COPY_WITH_ALPHA
| BLIT_OP_COPY_ARGB8888
| BLIT_OP_COPY_ARGB8888_WITH_ALPHA
| BLIT_OP_COPY_A4
| BLIT_OP_COPY_A8);
}
/*
* void STM32DMA::setupDataCopy(const BlitOp& blitOp) handles blit operation of
* BLIT_OP_COPY
* BLIT_OP_COPY_L8
* BLIT_OP_COPY_WITH_ALPHA
* BLIT_OP_COPY_ARGB8888
* BLIT_OP_COPY_ARGB8888_WITH_ALPHA
* BLIT_OP_COPY_A4
* BLIT_OP_COPY_A8
*/
void STM32DMA::setupDataCopy(const BlitOp& blitOp)
{
uint32_t dma2dForegroundColorMode = getChromARTInputFormat(static_cast<Bitmap::BitmapFormat>(blitOp.srcFormat));
uint32_t dma2dBackgroundColorMode = getChromARTInputFormat(static_cast<Bitmap::BitmapFormat>(blitOp.dstFormat));
uint32_t dma2dOutputColorMode = getChromARTOutputFormat(static_cast<Bitmap::BitmapFormat>(blitOp.dstFormat));
/* DMA2D OOR register configuration */
WRITE_REG(DMA2D->OOR, blitOp.dstLoopStride - blitOp.nSteps);
/* DMA2D BGOR register configuration */
WRITE_REG(DMA2D->BGOR, blitOp.dstLoopStride - blitOp.nSteps);
/* DMA2D FGOR register configuration */
WRITE_REG(DMA2D->FGOR, blitOp.srcLoopStride - blitOp.nSteps);
/* DMA2D OPFCCR register configuration */
WRITE_REG(DMA2D->OPFCCR, dma2dOutputColorMode);
/* Configure DMA2D data size */
WRITE_REG(DMA2D->NLR, (blitOp.nLoops | (blitOp.nSteps << DMA2D_NLR_PL_Pos)));
/* Configure DMA2D destination address */
WRITE_REG(DMA2D->OMAR, reinterpret_cast<uint32_t>(blitOp.pDst));
/* Configure DMA2D source address */
WRITE_REG(DMA2D->FGMAR, reinterpret_cast<uint32_t>(blitOp.pSrc));
switch (blitOp.operation)
{
case BLIT_OP_COPY_A4:
/* Set DMA2D color mode and alpha mode */
WRITE_REG(DMA2D->FGPFCCR, DMA2D_INPUT_A4 | (DMA2D_COMBINE_ALPHA << DMA2D_FGPFCCR_AM_Pos) | (blitOp.alpha << 24));
/* set DMA2D foreground color */
WRITE_REG(DMA2D->FGCOLR, blitOp.color);
/* Write DMA2D BGPFCCR register */
WRITE_REG(DMA2D->BGPFCCR, dma2dBackgroundColorMode | (DMA2D_NO_MODIF_ALPHA << DMA2D_BGPFCCR_AM_Pos));
/* Configure DMA2D Stream source2 address */
WRITE_REG(DMA2D->BGMAR, reinterpret_cast<uint32_t>(blitOp.pDst));
/* Set DMA2D mode */
WRITE_REG(DMA2D->CR, DMA2D_M2M_BLEND | DMA2D_IT_TC | DMA2D_CR_START);
break;
case BLIT_OP_COPY_A8:
/* Set DMA2D color mode and alpha mode */
WRITE_REG(DMA2D->FGPFCCR, DMA2D_INPUT_A8 | (DMA2D_COMBINE_ALPHA << DMA2D_FGPFCCR_AM_Pos) | (blitOp.alpha << 24));
/* set DMA2D foreground color */
WRITE_REG(DMA2D->FGCOLR, blitOp.color);
/* Write DMA2D BGPFCCR register */
WRITE_REG(DMA2D->BGPFCCR, dma2dBackgroundColorMode | (DMA2D_NO_MODIF_ALPHA << DMA2D_BGPFCCR_AM_Pos));
/* Configure DMA2D Stream source2 address */
WRITE_REG(DMA2D->BGMAR, reinterpret_cast<uint32_t>(blitOp.pDst));
/* Set DMA2D mode */
WRITE_REG(DMA2D->CR, DMA2D_M2M_BLEND | DMA2D_IT_TC | DMA2D_CR_START);
break;
case BLIT_OP_COPY_WITH_ALPHA:
/* Set DMA2D color mode and alpha mode */
WRITE_REG(DMA2D->FGPFCCR, dma2dForegroundColorMode | (DMA2D_COMBINE_ALPHA << DMA2D_FGPFCCR_AM_Pos) | (blitOp.alpha << 24));
/* Write DMA2D BGPFCCR register */
WRITE_REG(DMA2D->BGPFCCR, dma2dBackgroundColorMode | (DMA2D_NO_MODIF_ALPHA << DMA2D_BGPFCCR_AM_Pos));
/* Configure DMA2D Stream source2 address */
WRITE_REG(DMA2D->BGMAR, reinterpret_cast<uint32_t>(blitOp.pDst));
/* Set DMA2D mode */
WRITE_REG(DMA2D->CR, DMA2D_M2M_BLEND | DMA2D_IT_TC | DMA2D_CR_START);
break;
case BLIT_OP_COPY_L8:
{
bool blend = true;
const clutData_t* const palette = reinterpret_cast<const clutData_t*>(blitOp.pClut);
/* Write foreground CLUT memory address */
WRITE_REG(DMA2D->FGCMAR, reinterpret_cast<uint32_t>(&palette->data));
/* Set DMA2D color mode and alpha mode */
WRITE_REG(DMA2D->FGPFCCR, dma2dForegroundColorMode | (DMA2D_COMBINE_ALPHA << DMA2D_FGPFCCR_AM_Pos) | (blitOp.alpha << 24));
/* Write DMA2D BGPFCCR register */
WRITE_REG(DMA2D->BGPFCCR, dma2dBackgroundColorMode | (DMA2D_NO_MODIF_ALPHA << DMA2D_BGPFCCR_AM_Pos));
/* Configure DMA2D Stream source2 address */
WRITE_REG(DMA2D->BGMAR, reinterpret_cast<uint32_t>(blitOp.pDst));
/* Configure CLUT */
switch ((Bitmap::ClutFormat)palette->format)
{
case Bitmap::CLUT_FORMAT_L8_ARGB8888:
/* Write foreground CLUT size and CLUT color mode */
MODIFY_REG(DMA2D->FGPFCCR, (DMA2D_FGPFCCR_CS | DMA2D_FGPFCCR_CCM), (((palette->size - 1) << DMA2D_FGPFCCR_CS_Pos) | (DMA2D_CCM_ARGB8888 << DMA2D_FGPFCCR_CCM_Pos)));
break;
case Bitmap::CLUT_FORMAT_L8_RGB888:
if(blitOp.alpha == 255)
{
blend = false;
}
MODIFY_REG(DMA2D->FGPFCCR, (DMA2D_FGPFCCR_CS | DMA2D_FGPFCCR_CCM), (((palette->size - 1) << DMA2D_FGPFCCR_CS_Pos) | (DMA2D_CCM_RGB888 << DMA2D_FGPFCCR_CCM_Pos)));
break;
case Bitmap::CLUT_FORMAT_L8_RGB565:
default:
assert(0 && "Unsupported format");
break;
}
/* Enable the CLUT loading for the foreground */
SET_BIT(DMA2D->FGPFCCR, DMA2D_FGPFCCR_START);
while ((READ_REG(DMA2D->FGPFCCR) & DMA2D_FGPFCCR_START) != 0U)
{
}
DMA2D->IFCR = (DMA2D_FLAG_CTC);
/* Set DMA2D mode */
if(blend)
{
WRITE_REG(DMA2D->CR, DMA2D_M2M_BLEND | DMA2D_IT_TC | DMA2D_CR_START);
}
else
{
WRITE_REG(DMA2D->CR, DMA2D_M2M_PFC | DMA2D_IT_TC | DMA2D_CR_START);
}
}
break;
case BLIT_OP_COPY_ARGB8888:
case BLIT_OP_COPY_ARGB8888_WITH_ALPHA:
/* Set DMA2D color mode and alpha mode */
WRITE_REG(DMA2D->FGPFCCR, dma2dForegroundColorMode | (DMA2D_COMBINE_ALPHA << DMA2D_FGPFCCR_AM_Pos) | (blitOp.alpha << 24));
/* Write DMA2D BGPFCCR register */
WRITE_REG(DMA2D->BGPFCCR, dma2dBackgroundColorMode | (DMA2D_NO_MODIF_ALPHA << DMA2D_BGPFCCR_AM_Pos));
/* Configure DMA2D Stream source2 address */
WRITE_REG(DMA2D->BGMAR, reinterpret_cast<uint32_t>(blitOp.pDst));
/* Set DMA2D mode */
WRITE_REG(DMA2D->CR, DMA2D_M2M_BLEND | DMA2D_IT_TC | DMA2D_CR_START);
break;
default: /* BLIT_OP_COPY */
/* Set DMA2D color mode and alpha mode */
WRITE_REG(DMA2D->FGPFCCR, dma2dForegroundColorMode | (DMA2D_COMBINE_ALPHA << DMA2D_FGPFCCR_AM_Pos) | (blitOp.alpha << 24));
/* Perform pixel-format-conversion (PFC) If Bitmap format is not same format as framebuffer format */
if (blitOp.srcFormat != blitOp.dstFormat)
{
/* Start DMA2D : PFC Mode */
WRITE_REG(DMA2D->CR, DMA2D_M2M_PFC | DMA2D_IT_TC | DMA2D_CR_START);
}
else
{
/* Start DMA2D : M2M Mode */
WRITE_REG(DMA2D->CR, DMA2D_M2M | DMA2D_IT_TC | DMA2D_CR_START);
}
break;
}
}
/*
* void STM32DMA::setupDataFill(const BlitOp& blitOp) handles blit operation of
* BLIT_OP_FILL
* BLIT_OP_FILL_WITH_ALPHA
*/
void STM32DMA::setupDataFill(const BlitOp& blitOp)
{
uint32_t dma2dOutputColorMode = getChromARTOutputFormat(static_cast<Bitmap::BitmapFormat>(blitOp.dstFormat));
/* DMA2D OPFCCR register configuration */
WRITE_REG(DMA2D->OPFCCR, dma2dOutputColorMode);
/* Configure DMA2D data size */
WRITE_REG(DMA2D->NLR, (blitOp.nLoops | (blitOp.nSteps << DMA2D_NLR_PL_Pos)));
/* Configure DMA2D destination address */
WRITE_REG(DMA2D->OMAR, reinterpret_cast<uint32_t>(blitOp.pDst));
/* DMA2D OOR register configuration */
WRITE_REG(DMA2D->OOR, blitOp.dstLoopStride - blitOp.nSteps);
if (blitOp.operation == BLIT_OP_FILL_WITH_ALPHA)
{
/* DMA2D BGOR register configuration */
WRITE_REG(DMA2D->BGOR, blitOp.dstLoopStride - blitOp.nSteps);
/* DMA2D FGOR register configuration */
WRITE_REG(DMA2D->FGOR, blitOp.dstLoopStride - blitOp.nSteps);
/* Write DMA2D BGPFCCR register */
WRITE_REG(DMA2D->BGPFCCR, dma2dOutputColorMode | (DMA2D_NO_MODIF_ALPHA << DMA2D_BGPFCCR_AM_Pos));
/* Write DMA2D FGPFCCR register */
WRITE_REG(DMA2D->FGPFCCR, DMA2D_INPUT_A8 | (DMA2D_REPLACE_ALPHA << DMA2D_FGPFCCR_AM_Pos) | ((blitOp.alpha << 24) & DMA2D_FGPFCCR_ALPHA));
/* DMA2D FGCOLR register configuration */
WRITE_REG(DMA2D->FGCOLR, blitOp.color);
/* Configure DMA2D Stream source2 address */
WRITE_REG(DMA2D->BGMAR, reinterpret_cast<uint32_t>(blitOp.pDst));
/* Configure DMA2D source address */
WRITE_REG(DMA2D->FGMAR, reinterpret_cast<uint32_t>(blitOp.pDst));
/* Enable the Peripheral and Enable the transfer complete interrupt */
WRITE_REG(DMA2D->CR, (DMA2D_IT_TC | DMA2D_CR_START | DMA2D_M2M_BLEND));
}
else
{
/* Write DMA2D FGPFCCR register */
WRITE_REG(DMA2D->FGPFCCR, dma2dOutputColorMode | (DMA2D_NO_MODIF_ALPHA << DMA2D_FGPFCCR_AM_Pos));
/* DMA2D FGOR register configuration */
WRITE_REG(DMA2D->FGOR, 0);
/* Set color */
WRITE_REG(DMA2D->OCOLR, ((blitOp.color >> 8) & 0xF800) | ((blitOp.color >> 5) & 0x07E0) | ((blitOp.color >> 3) & 0x001F));
/* Enable the Peripheral and Enable the transfer complete interrupt */
WRITE_REG(DMA2D->CR, (DMA2D_IT_TC | DMA2D_CR_START | DMA2D_R2M));
}
}
namespace touchgfx
{
namespace paint
{
namespace
{
const clutData_t* L8CLUT = 0;
uint32_t L8ClutLoaded = 0;
} // namespace
void setL8Pallette(const uint8_t* const data)
{
L8CLUT = reinterpret_cast<const clutData_t*>(data - offsetof(clutData_t, data));
L8ClutLoaded = 0;
}
/**
* @fn void tearDown();
*
* @brief Waits until previous DMA drawing operation has finished
*/
void tearDown()
{
/* Wait for DMA2D to finish last run */
while ((READ_REG(DMA2D->CR) & DMA2D_CR_START) != 0U);
/* Clear transfer flags */
WRITE_REG(DMA2D->IFCR, DMA2D_FLAG_TC | DMA2D_FLAG_CE | DMA2D_FLAG_TE);
}
namespace rgb565
{
/**
* @fn void lineFromColor();
*
* @brief Renders Canvas Widget chunks using DMA.
* This functions will not generate an interrupt, and will not affect the DMA queue.
*/
void lineFromColor(uint16_t* const ptr, const unsigned count, const uint32_t color, const uint8_t alpha, const uint32_t color565)
{
/* Wait for DMA2D to finish last run */
while ((READ_REG(DMA2D->CR) & DMA2D_CR_START) != 0U);
/* Clear transfer flags */
WRITE_REG(DMA2D->IFCR, DMA2D_FLAG_TC | DMA2D_FLAG_CE | DMA2D_FLAG_TE);
/* DMA2D OPFCCR register configuration */
WRITE_REG(DMA2D->OPFCCR, DMA2D_OUTPUT_RGB565);
/* Configure DMA2D data size */
WRITE_REG(DMA2D->NLR, (1 | (count << DMA2D_NLR_PL_Pos)));
/* Configure DMA2D destination address */
WRITE_REG(DMA2D->OMAR, reinterpret_cast<uint32_t>(ptr));
if (alpha < 0xFF)
{
/* Write DMA2D BGPFCCR register */
WRITE_REG(DMA2D->BGPFCCR, DMA2D_OUTPUT_RGB565 | (DMA2D_NO_MODIF_ALPHA << DMA2D_BGPFCCR_AM_Pos));
/* Write DMA2D FGPFCCR register */
WRITE_REG(DMA2D->FGPFCCR, DMA2D_INPUT_A8 | (DMA2D_REPLACE_ALPHA << DMA2D_FGPFCCR_AM_Pos) | ((alpha << 24) & DMA2D_FGPFCCR_ALPHA));
/* DMA2D FGCOLR register configuration */
WRITE_REG(DMA2D->FGCOLR, color);
/* Configure DMA2D Stream source2 address */
WRITE_REG(DMA2D->BGMAR, (uint32_t)ptr);
/* Configure DMA2D source address */
WRITE_REG(DMA2D->FGMAR, (uint32_t)ptr);
/* Enable the Peripheral and Enable the transfer complete interrupt */
WRITE_REG(DMA2D->CR, (DMA2D_CR_START | DMA2D_M2M_BLEND));
}
else
{
/* Write DMA2D FGPFCCR register */
WRITE_REG(DMA2D->FGPFCCR, DMA2D_OUTPUT_RGB565 | (DMA2D_NO_MODIF_ALPHA << DMA2D_FGPFCCR_AM_Pos));
/* Set color */
WRITE_REG(DMA2D->OCOLR, color565);
/* Enable the Peripheral and Enable the transfer complete interrupt */
WRITE_REG(DMA2D->CR, (DMA2D_CR_START | DMA2D_R2M));
}
}
void lineFromRGB565(uint16_t* const ptr, const uint16_t* const data, const unsigned count, const uint8_t alpha)
{
/* Wait for DMA2D to finish last run */
while ((READ_REG(DMA2D->CR) & DMA2D_CR_START) != 0U);
/* Clear transfer flags */
WRITE_REG(DMA2D->IFCR, DMA2D_FLAG_TC | DMA2D_FLAG_CE | DMA2D_FLAG_TE);
/* DMA2D OPFCCR register configuration */
WRITE_REG(DMA2D->OPFCCR, DMA2D_OUTPUT_RGB565);
/* Configure DMA2D data size */
WRITE_REG(DMA2D->NLR, (1 | (count << DMA2D_NLR_PL_Pos)));
/* Configure DMA2D destination address */
WRITE_REG(DMA2D->OMAR, reinterpret_cast<uint32_t>(ptr));
/* Configure DMA2D source address */
WRITE_REG(DMA2D->FGMAR, reinterpret_cast<uint32_t>(data));
if (alpha < 0xFF)
{
/* Set DMA2D color mode and alpha mode */
WRITE_REG(DMA2D->FGPFCCR, DMA2D_INPUT_RGB565 | (DMA2D_COMBINE_ALPHA << DMA2D_FGPFCCR_AM_Pos) | (alpha << 24));
/* Write DMA2D BGPFCCR register */
WRITE_REG(DMA2D->BGPFCCR, DMA2D_INPUT_RGB565 | (DMA2D_NO_MODIF_ALPHA << DMA2D_BGPFCCR_AM_Pos));
/* Configure DMA2D Stream source2 address */
WRITE_REG(DMA2D->BGMAR, reinterpret_cast<uint32_t>(ptr));
/* Set DMA2D mode */
WRITE_REG(DMA2D->CR, DMA2D_M2M_BLEND | DMA2D_CR_START);
}
else
{
/* Set DMA2D color mode and alpha mode */
WRITE_REG(DMA2D->FGPFCCR, DMA2D_INPUT_RGB565 | (DMA2D_COMBINE_ALPHA << DMA2D_FGPFCCR_AM_Pos) | (alpha << 24));
/* Start DMA2D : M2M Mode */
WRITE_REG(DMA2D->CR, DMA2D_M2M | DMA2D_CR_START);
}
}
void lineFromARGB8888(uint16_t* const ptr, const uint32_t* const data, const unsigned count, const uint8_t alpha)
{
/* Wait for DMA2D to finish last run */
while ((READ_REG(DMA2D->CR) & DMA2D_CR_START) != 0U);
/* Clear transfer flags */
WRITE_REG(DMA2D->IFCR, DMA2D_FLAG_TC | DMA2D_FLAG_CE | DMA2D_FLAG_TE);
/* DMA2D OPFCCR register configuration */
WRITE_REG(DMA2D->OPFCCR, DMA2D_OUTPUT_RGB565);
/* Configure DMA2D data size */
WRITE_REG(DMA2D->NLR, (1 | (count << DMA2D_NLR_PL_Pos)));
/* Configure DMA2D destination address */
WRITE_REG(DMA2D->OMAR, reinterpret_cast<uint32_t>(ptr));
/* Configure DMA2D source address */
WRITE_REG(DMA2D->FGMAR, reinterpret_cast<uint32_t>(data));
/* Set DMA2D color mode and alpha mode */
WRITE_REG(DMA2D->FGPFCCR, DMA2D_INPUT_ARGB8888 | (DMA2D_COMBINE_ALPHA << DMA2D_BGPFCCR_AM_Pos) | (alpha << 24));
/* Write DMA2D BGPFCCR register */
WRITE_REG(DMA2D->BGPFCCR, DMA2D_INPUT_RGB565 | (DMA2D_NO_MODIF_ALPHA << DMA2D_BGPFCCR_AM_Pos));
/* Configure DMA2D Stream source2 address */
WRITE_REG(DMA2D->BGMAR, reinterpret_cast<uint32_t>(ptr));
/* Set DMA2D mode */
WRITE_REG(DMA2D->CR, DMA2D_M2M_BLEND | DMA2D_CR_START);
}
void lineFromL8RGB888(uint16_t* const ptr, const uint8_t* const data, const unsigned count, const uint8_t alpha)
{
/* wait for DMA2D to finish last run */
while ((READ_REG(DMA2D->CR) & DMA2D_CR_START) != 0U);
/* DMA2D OPFCCR register configuration */
WRITE_REG(DMA2D->OPFCCR, DMA2D_OUTPUT_RGB565);
/* Configure DMA2D data size */
WRITE_REG(DMA2D->NLR, (1 | (count << DMA2D_NLR_PL_Pos)));
/* Configure DMA2D destination address */
WRITE_REG(DMA2D->OMAR, reinterpret_cast<uint32_t>(ptr));
/* Configure DMA2D source address */
WRITE_REG(DMA2D->FGMAR, reinterpret_cast<uint32_t>(data));
/* Configure DMA2D Stream source2 address */
WRITE_REG(DMA2D->BGMAR, reinterpret_cast<uint32_t>(ptr));
/* Load CLUT if not already loaded */
if (L8ClutLoaded == 0)
{
/* Write foreground CLUT memory address */
WRITE_REG(DMA2D->FGCMAR, reinterpret_cast<uint32_t>(&L8CLUT->data));
/* Set DMA2D color mode and alpha mode */
WRITE_REG(DMA2D->FGPFCCR, DMA2D_INPUT_L8 | (DMA2D_COMBINE_ALPHA << DMA2D_BGPFCCR_AM_Pos) | (alpha << 24));
MODIFY_REG(DMA2D->FGPFCCR, (DMA2D_FGPFCCR_CS | DMA2D_FGPFCCR_CCM), (((L8CLUT->size - 1) << DMA2D_FGPFCCR_CS_Pos) | (DMA2D_CCM_RGB888 << DMA2D_FGPFCCR_CCM_Pos)));
/* Enable the CLUT loading for the foreground */
SET_BIT(DMA2D->FGPFCCR, DMA2D_FGPFCCR_START);
/* Write DMA2D BGPFCCR register */
WRITE_REG(DMA2D->BGPFCCR, DMA2D_INPUT_RGB565 | (DMA2D_NO_MODIF_ALPHA << DMA2D_BGPFCCR_AM_Pos));
/* Mark CLUT loaded */
L8ClutLoaded = 1;
/* Wait for load to finish */
while ((READ_REG(DMA2D->FGPFCCR) & DMA2D_FGPFCCR_START) != 0U);
/* Clear CLUT Transfer Complete flag */
DMA2D->IFCR = (DMA2D_FLAG_CTC);
}
else
{
/* Set correct alpha for these pixels */
MODIFY_REG(DMA2D->FGPFCCR, DMA2D_BGPFCCR_ALPHA_Msk, alpha << 24);
}
/* Start pixel transfer in correct mode */
if (alpha < 0xFF)
{
/* Set DMA2D mode */
WRITE_REG(DMA2D->CR, DMA2D_M2M_BLEND | DMA2D_CR_START);
}
else
{
/* Set DMA2D mode */
WRITE_REG(DMA2D->CR, DMA2D_M2M_PFC | DMA2D_CR_START);
}
}
void lineFromL8ARGB8888(uint16_t* const ptr, const uint8_t* const data, const unsigned count, const uint8_t alpha)
{
/* wait for DMA2D to finish last run */
while ((READ_REG(DMA2D->CR) & DMA2D_CR_START) != 0U);
/* DMA2D OPFCCR register configuration */
WRITE_REG(DMA2D->OPFCCR, DMA2D_OUTPUT_RGB565);
/* Configure DMA2D data size */
WRITE_REG(DMA2D->NLR, (1 | (count << DMA2D_NLR_PL_Pos)));
/* Configure DMA2D destination address */
WRITE_REG(DMA2D->OMAR, reinterpret_cast<uint32_t>(ptr));
/* Configure DMA2D source address */
WRITE_REG(DMA2D->FGMAR, reinterpret_cast<uint32_t>(data));
/* Configure DMA2D Stream source2 address */
WRITE_REG(DMA2D->BGMAR, reinterpret_cast<uint32_t>(ptr));
/* Load CLUT if not already loaded */
if (L8ClutLoaded == 0)
{
/* Write foreground CLUT memory address */
WRITE_REG(DMA2D->FGCMAR, reinterpret_cast<uint32_t>(&L8CLUT->data));
/* Set DMA2D color mode and alpha mode */
WRITE_REG(DMA2D->FGPFCCR, DMA2D_INPUT_L8 | (DMA2D_COMBINE_ALPHA << DMA2D_BGPFCCR_AM_Pos) | (alpha << 24));
MODIFY_REG(DMA2D->FGPFCCR, (DMA2D_FGPFCCR_CS | DMA2D_FGPFCCR_CCM), (((L8CLUT->size - 1) << DMA2D_FGPFCCR_CS_Pos) | (DMA2D_CCM_ARGB8888 << DMA2D_FGPFCCR_CCM_Pos)));
/* Enable the CLUT loading for the foreground */
SET_BIT(DMA2D->FGPFCCR, DMA2D_FGPFCCR_START);
/* Write DMA2D BGPFCCR register */
WRITE_REG(DMA2D->BGPFCCR, DMA2D_INPUT_RGB565 | (DMA2D_NO_MODIF_ALPHA << DMA2D_BGPFCCR_AM_Pos));
/* Mark CLUT loaded */
L8ClutLoaded = 1;
/* Wait for load to finish */
while ((READ_REG(DMA2D->FGPFCCR) & DMA2D_FGPFCCR_START) != 0U);
/* Clear CLUT Transfer Complete flag */
DMA2D->IFCR = (DMA2D_FLAG_CTC);
}
else
{
/* Set correct alpha for these pixels */
MODIFY_REG(DMA2D->FGPFCCR, DMA2D_BGPFCCR_ALPHA_Msk, alpha << 24);
}
/* Start pixel transfer in blending mode */
WRITE_REG(DMA2D->CR, DMA2D_M2M_BLEND | DMA2D_CR_START);
}
} // namespace rgb565
} // namespace paint
} // namespace touchgfx
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* File Name : STM32DMA.hpp
******************************************************************************
* This file is generated by TouchGFX Generator 4.21.2. Please, do not edit!
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
#ifndef STM32DMA_HPP
#define STM32DMA_HPP
#include <touchgfx/Bitmap.hpp>
#include <touchgfx/hal/DMA.hpp>
/**
* @class STM32DMA
*
* @brief This class specializes DMA_Interface for the STM32 processors.
*
* @sa touchgfx::DMA_Interface
*/
class STM32DMA : public touchgfx::DMA_Interface
{
/**
* @typedef touchgfx::DMA_Interface Base
*
* @brief Defines an alias representing the base.
*
Defines an alias representing the base.
*/
typedef touchgfx::DMA_Interface Base;
public:
/**
* @fn STM32DMA::STM32DMA();
*
* @brief Default constructor.
*
* Default constructor.
*/
STM32DMA();
/**
* @fn STM32DMA::~STM32DMA();
*
* @brief Destructor.
*
* Destructor.
*/
virtual ~STM32DMA();
/**
* @fn DMAType touchgfx::STM32DMA::getDMAType()
*
* @brief Function for obtaining the DMA type of the concrete DMA_Interface implementation.
*
* Function for obtaining the DMA type of the concrete DMA_Interface implementation.
* As default, will return DMA_TYPE_CHROMART type value.
*
* @return a DMAType value of the concrete DMA_Interface implementation.
*/
virtual touchgfx::DMAType getDMAType(void)
{
return touchgfx::DMA_TYPE_CHROMART;
}
/**
* @fn touchgfx::BlitOperations STM32DMA::getBlitCaps();
*
* @brief Gets the blit capabilities.
*
* Gets the blit capabilities.
*
* This DMA supports a range of blit caps: BLIT_OP_COPY, BLIT_OP_COPY_ARGB8888,
* BLIT_OP_COPY_ARGB8888_WITH_ALPHA, BLIT_OP_COPY_A4, BLIT_OP_COPY_A8.
*
*
* @return Currently supported blitcaps.
*/
virtual touchgfx::BlitOperations getBlitCaps();
/**
* @fn void STM32DMA::initialize();
*
* @brief Perform hardware specific initialization.
*
* Perform hardware specific initialization.
*/
virtual void initialize();
/**
* @fn void STM32DMA::signalDMAInterrupt()
*
* @brief Raises a DMA interrupt signal.
*
* Raises a DMA interrupt signal.
*/
virtual void signalDMAInterrupt()
{
executeCompleted();
}
protected:
/**
* @fn virtual void STM32DMA::setupDataCopy(const touchgfx::BlitOp& blitOp);
*
* @brief Configures the DMA for copying data to the frame buffer.
*
* Configures the DMA for copying data to the frame buffer.
*
* @param blitOp Details on the copy to perform.
*/
virtual void setupDataCopy(const touchgfx::BlitOp& blitOp);
/**
* @fn virtual void STM32DMA::setupDataFill(const touchgfx::BlitOp& blitOp);
*
* @brief Configures the DMA for "filling" the frame-buffer with a single color.
*
* Configures the DMA for "filling" the frame-buffer with a single color.
*
* @param blitOp Details on the "fill" to perform.
*/
virtual void setupDataFill(const touchgfx::BlitOp& blitOp);
private:
touchgfx::LockFreeDMA_Queue dma_queue;
touchgfx::BlitOp queue_storage[96];
/**
* @fn void STM32DMA::getChromARTInputFormat()
*
* @brief Convert Bitmap format to ChromART Input format.
*
* @param format Bitmap format.
*
* @return ChromART Input format.
*/
inline uint32_t getChromARTInputFormat(touchgfx::Bitmap::BitmapFormat format);
/**
* @fn void STM32DMA::getChromARTOutputFormat()
*
* @brief Convert Bitmap format to ChromART Output format.
*
* @param format Bitmap format.
*
* @return ChromART Output format.
*/
inline uint32_t getChromARTOutputFormat(touchgfx::Bitmap::BitmapFormat format);
};
#endif // STM32DMA_HPP
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* File Name : TouchGFXConfiguration.cpp
******************************************************************************
* This file is generated by TouchGFX Generator 4.21.2. Please, do not edit!
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
#include <texts/TypedTextDatabase.hpp>
#include <fonts/ApplicationFontProvider.hpp>
#include <gui/common/FrontendHeap.hpp>
#include <BitmapDatabase.hpp>
#include <platform/driver/lcd/LCD16bpp.hpp>
#include <STM32DMA.hpp>
#include <TouchGFXHAL.hpp>
#include <STM32TouchController.hpp>
#include <stm32h7xx_hal.h>
extern "C" void touchgfx_init();
extern "C" void touchgfx_taskEntry();
extern "C" void touchgfx_components_init();
static STM32TouchController tc;
static STM32DMA dma;
static LCD16bpp display;
static ApplicationFontProvider fontProvider;
static Texts texts;
static TouchGFXHAL hal(dma, display, tc, 320, 480);
void touchgfx_init()
{
Bitmap::registerBitmapDatabase(BitmapDatabase::getInstance(), BitmapDatabase::getInstanceSize());
TypedText::registerTexts(&texts);
Texts::setLanguage(0);
FontManager::setFontProvider(&fontProvider);
FrontendHeap& heap = FrontendHeap::getInstance();
/*
* we need to obtain the reference above to initialize the frontend heap.
*/
(void)heap;
/*
* Initialize TouchGFX
*/
hal.initialize();
}
void touchgfx_components_init()
{
}
void touchgfx_taskEntry()
{
/*
* Main event loop. Will wait for VSYNC signal, and then process next frame. Call
* this function from your GUI task.
*
* Note This function never returns
*/
hal.taskEntry();
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* File Name : TouchGFXGeneratedHAL.cpp
******************************************************************************
* This file is generated by TouchGFX Generator 4.21.2. Please, do not edit!
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
#include <TouchGFXGeneratedHAL.hpp>
#include <touchgfx/hal/OSWrappers.hpp>
#include <gui/common/FrontendHeap.hpp>
#include <touchgfx/hal/GPIO.hpp>
#include "stm32h7xx.h"
#include "stm32h7xx_hal_ltdc.h"
using namespace touchgfx;
namespace
{
static volatile bool refreshRequested = false;
static uint16_t lcd_int_active_line;
static uint16_t lcd_int_porch_line;
}
void TouchGFXGeneratedHAL::initialize()
{
HAL::initialize();
registerEventListener(*(Application::getInstance()));
setFrameBufferStartAddresses((void*)0x24040000, (void*)0x240A0000, (void*)0);
}
void TouchGFXGeneratedHAL::configureInterrupts()
{
NVIC_SetPriority(DMA2D_IRQn, 9);
NVIC_SetPriority(LTDC_IRQn, 9);
}
void TouchGFXGeneratedHAL::enableInterrupts()
{
NVIC_EnableIRQ(DMA2D_IRQn);
NVIC_EnableIRQ(LTDC_IRQn);
}
void TouchGFXGeneratedHAL::disableInterrupts()
{
NVIC_DisableIRQ(DMA2D_IRQn);
NVIC_DisableIRQ(LTDC_IRQn);
}
void TouchGFXGeneratedHAL::enableLCDControllerInterrupt()
{
lcd_int_active_line = (LTDC->BPCR & 0x7FF) - 1;
lcd_int_porch_line = (LTDC->AWCR & 0x7FF) - 1;
/* Sets the Line Interrupt position */
LTDC->LIPCR = lcd_int_active_line;
/* Line Interrupt Enable */
LTDC->IER |= LTDC_IER_LIE;
}
bool TouchGFXGeneratedHAL::beginFrame()
{
return HAL::beginFrame();
}
void TouchGFXGeneratedHAL::endFrame()
{
if (frameBufferUpdatedThisFrame)
{
refreshRequested = true;
}
HAL::endFrame();
}
uint16_t* TouchGFXGeneratedHAL::getTFTFrameBuffer() const
{
return (uint16_t*)LTDC_Layer1->CFBAR;
}
void TouchGFXGeneratedHAL::setTFTFrameBuffer(uint16_t* adr)
{
LTDC_Layer1->CFBAR = (uint32_t)adr;
/* Reload immediate */
LTDC->SRCR = (uint32_t)LTDC_SRCR_IMR;
}
void TouchGFXGeneratedHAL::flushFrameBuffer(const touchgfx::Rect& rect)
{
HAL::flushFrameBuffer(rect);
}
bool TouchGFXGeneratedHAL::blockCopy(void* RESTRICT dest, const void* RESTRICT src, uint32_t numBytes)
{
return HAL::blockCopy(dest, src, numBytes);
}
void TouchGFXGeneratedHAL::InvalidateCache()
{
// If the framebuffer is placed in Write Through cached memory (e.g. SRAM) then
// the DCache must be flushed prior to DMA2D accessing it. That's done
// using the function SCB_CleanInvalidateDCache(). Remember to enable "CPU Cache" in the
// "System Core" settings for "Cortex M7" in CubeMX in order for this function call to work.
if (SCB->CCR & SCB_CCR_DC_Msk)
{
SCB_CleanInvalidateDCache();
}
}
void TouchGFXGeneratedHAL::FlushCache()
{
// If the framebuffer is placed in Write Through cached memory (e.g. SRAM) then
// the DCache must be flushed prior to DMA2D accessing it. That's done
// using the function SCB_CleanInvalidateDCache(). Remember to enable "CPU Cache" in the
// "System Core" settings for "Cortex M7" in CubeMX in order for this function call to work.
if (SCB->CCR & SCB_CCR_DC_Msk)
{
SCB_CleanInvalidateDCache();
}
}
extern "C"
{
void HAL_LTDC_LineEventCallback(LTDC_HandleTypeDef* hltdc)
{
if (!HAL::getInstance())
{
return;
}
if (LTDC->LIPCR == lcd_int_active_line)
{
//entering active area
HAL_LTDC_ProgramLineEvent(hltdc, lcd_int_porch_line);
HAL::getInstance()->vSync();
OSWrappers::signalVSync();
// Swap frame buffers immediately instead of waiting for the task to be scheduled in.
// Note: task will also swap when it wakes up, but that operation is guarded and will not have
// any effect if already swapped.
HAL::getInstance()->swapFrameBuffers();
GPIO::set(GPIO::VSYNC_FREQ);
}
else
{
//exiting active area
HAL_LTDC_ProgramLineEvent(hltdc, lcd_int_active_line);
// Signal to the framework that display update has finished.
HAL::getInstance()->frontPorchEntered();
GPIO::clear(GPIO::VSYNC_FREQ);
}
}
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* File Name : TouchGFXGeneratedHAL.hpp
******************************************************************************
* This file is generated by TouchGFX Generator 4.21.2. Please, do not edit!
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
#ifndef TouchGFXGeneratedHAL_HPP
#define TouchGFXGeneratedHAL_HPP
#include <touchgfx/hal/HAL.hpp>
/**
* @class TouchGFXGeneratedHAL
*
* @brief HAL implementation for TouchGFXGenerated.
*
* @sa HAL
*/
class TouchGFXGeneratedHAL : public touchgfx::HAL
{
public:
/**
* @fn TouchGFXGeneratedHAL::TouchGFXGeneratedHAL(touchgfx::DMA_Interface& dma, touchgfx::LCD& display, touchgfx::TouchController& tc, uint16_t width, uint16_t height) : touchgfx::HAL(dma, display, tc, width, height)
*
* @brief Constructor.
*
* Constructor. Initializes members.
*
* @param [in,out] dma Reference to DMA interface.
* @param [in,out] display Reference to LCD interface.
* @param [in,out] tc Reference to Touch Controller driver.
* @param width Width of the display.
* @param height Height of the display.
*/
TouchGFXGeneratedHAL(touchgfx::DMA_Interface& dma, touchgfx::LCD& display, touchgfx::TouchController& tc, uint16_t width, uint16_t height) :
touchgfx::HAL(dma, display, tc, width, height)
{
}
/**
* @fn void TouchGFXGeneratedHAL::initialize();
*
* @brief This function is responsible for initializing the entire framework.
*
* This function is responsible for initializing the entire framework.
*/
virtual void initialize();
/**
* @fn virtual void TouchGFXGeneratedHAL::configureInterrupts();
*
* @brief Sets the DMA and LCD interrupt priorities.
*
* Sets the DMA and LCD interrupt priorities.
*/
virtual void configureInterrupts();
/**
* @fn virtual void TouchGFXGeneratedHAL::enableInterrupts();
*
* @brief Enables the DMA and LCD interrupts.
*
* Enables the DMA and LCD interrupts.
*/
virtual void enableInterrupts();
/**
* @fn virtual void TouchGFXGeneratedHAL::disableInterrupts();
*
* @brief Disables the DMA and LCD interrupts.
*
* Disables the DMA and LCD interrupts.
*/
virtual void disableInterrupts();
/**
* @fn virtual void TouchGFXGeneratedHAL::enableLCDControllerInterrupt();
*
* @brief Configure the LCD controller to fire interrupts at VSYNC.
*
* Configure the LCD controller to fire interrupts at VSYNC. Called automatically
* once TouchGFX initialization has completed.
*/
virtual void enableLCDControllerInterrupt();
/**
* @fn virtual void TouchGFXGeneratedHAL::flushFrameBuffer();
*
* @brief This function is called whenever the framework has performed a complete draw.
*
* This specialization is only in place to keep compilers happy. Base impl. will call the
* Rect version.
* @see HAL::flushFrameBuffer
*/
virtual void flushFrameBuffer()
{
HAL::flushFrameBuffer();
}
/**
* @fn virtual void TouchGFXGeneratedHAL::flushFrameBuffer(const touchgfx::Rect& rect);
*
* @brief This function is called whenever the framework has performed a partial draw.
*
* This function is called whenever the framework has performed a partial draw.
* On the STM32F7, make sure to clean and invalidate the data cache. This is to
* ensure that LTDC sees correct data when transferring to the display.
*
* @param rect The area of the screen that has been drawn, expressed in absolute coordinates.
*
* @see flushFrameBuffer().
*/
virtual void flushFrameBuffer(const touchgfx::Rect& rect);
/**
*
* @fn virtual void TouchGFXGeneratedHAL::blockCopy();
*
* This function performs a platform-specific memcpy, if supported by the hardware.
*
* @param [out] dest Pointer to destination memory.
* @param [in] src Pointer to source memory.
* @param numBytes Number of bytes to copy.
*
* @return true if the copy succeeded, false if copy was not performed.
*/
virtual bool blockCopy(void* RESTRICT dest, const void* RESTRICT src, uint32_t numBytes);
/**
* @fn virtual void TouchGFXGeneratedHAL::beginFrame();
*
* @brief Called when beginning to rendering a frame.
*
* Called when beginning to rendering a frame.
*
* @return true if rendering can begin, false otherwise.
*/
virtual bool beginFrame();
/**
* @fn virtual void TouchGFXGeneratedHAL::endFrame();
*
* @brief Called when a rendering pass is completed.
*
* Called when a rendering pass is completed.
*/
virtual void endFrame();
protected:
/**
* @fn virtual uint16_t* TouchGFXGeneratedHAL::getTFTFrameBuffer() const;
*
* @brief Gets the frame buffer address used by the TFT controller.
*
* Gets the frame buffer address used by the TFT controller.
*
* @return The address of the frame buffer currently being displayed on the TFT.
*/
virtual uint16_t* getTFTFrameBuffer() const;
/**
* @fn virtual void TouchGFXGeneratedHAL::setTFTFrameBuffer(uint16_t* adr);
*
* @brief Sets the frame buffer address used by the TFT controller.
*
* Sets the frame buffer address used by the TFT controller.
*
* @param [in,out] adr New frame buffer address.
*/
virtual void setTFTFrameBuffer(uint16_t* adr);
virtual void InvalidateCache();
virtual void FlushCache();
};
#endif // TouchGFXGeneratedHAL_HPP
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/