DMA based FillRect works
This commit is contained in:
parent
d8ee389442
commit
98aacc5c47
22 changed files with 821 additions and 200 deletions
102
Src/dma.c
Normal file
102
Src/dma.c
Normal file
|
@ -0,0 +1,102 @@
|
|||
/**
|
||||
******************************************************************************
|
||||
* File Name : dma.c
|
||||
* Description : This file provides code for the configuration
|
||||
* of all the requested memory to memory DMA transfers.
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* <h2><center>© Copyright (c) 2019 STMicroelectronics.
|
||||
* All rights reserved.</center></h2>
|
||||
*
|
||||
* This software component is licensed by ST under BSD 3-Clause license,
|
||||
* the "License"; You may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at:
|
||||
* opensource.org/licenses/BSD-3-Clause
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "dma.h"
|
||||
|
||||
/* USER CODE BEGIN 0 */
|
||||
|
||||
/* USER CODE END 0 */
|
||||
|
||||
/*----------------------------------------------------------------------------*/
|
||||
/* Configure DMA */
|
||||
/*----------------------------------------------------------------------------*/
|
||||
|
||||
/* USER CODE BEGIN 1 */
|
||||
|
||||
/* USER CODE END 1 */
|
||||
|
||||
/**
|
||||
* Enable DMA controller clock
|
||||
*/
|
||||
void MX_DMA_Init(void)
|
||||
{
|
||||
|
||||
/* Init with LL driver */
|
||||
/* DMA controller clock enable */
|
||||
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_DMA2);
|
||||
|
||||
/* Configure DMA request MEMTOMEM_DMA2_Stream4 */
|
||||
|
||||
/* Select channel */
|
||||
LL_DMA_SetChannelSelection(DMA2, LL_DMA_STREAM_4, LL_DMA_CHANNEL_0);
|
||||
|
||||
/* Set transfer direction */
|
||||
LL_DMA_SetDataTransferDirection(DMA2, LL_DMA_STREAM_4, LL_DMA_DIRECTION_MEMORY_TO_MEMORY);
|
||||
|
||||
/* Set priority level */
|
||||
LL_DMA_SetStreamPriorityLevel(DMA2, LL_DMA_STREAM_4, LL_DMA_PRIORITY_LOW);
|
||||
|
||||
/* Set DMA mode */
|
||||
LL_DMA_SetMode(DMA2, LL_DMA_STREAM_4, LL_DMA_MODE_NORMAL);
|
||||
|
||||
/* Set peripheral increment mode */
|
||||
LL_DMA_SetPeriphIncMode(DMA2, LL_DMA_STREAM_4, LL_DMA_PERIPH_NOINCREMENT);
|
||||
|
||||
/* Set memory increment mode */
|
||||
LL_DMA_SetMemoryIncMode(DMA2, LL_DMA_STREAM_4, LL_DMA_MEMORY_NOINCREMENT);
|
||||
|
||||
/* Set peripheral data width */
|
||||
LL_DMA_SetPeriphSize(DMA2, LL_DMA_STREAM_4, LL_DMA_PDATAALIGN_HALFWORD);
|
||||
|
||||
/* Set memory data width */
|
||||
LL_DMA_SetMemorySize(DMA2, LL_DMA_STREAM_4, LL_DMA_MDATAALIGN_HALFWORD);
|
||||
|
||||
/* Enable FIFO mode */
|
||||
LL_DMA_EnableFifoMode(DMA2, LL_DMA_STREAM_4);
|
||||
|
||||
/* Set FIFO threshold */
|
||||
LL_DMA_SetFIFOThreshold(DMA2, LL_DMA_STREAM_4, LL_DMA_FIFOTHRESHOLD_FULL);
|
||||
|
||||
/* Set memory burst size */
|
||||
LL_DMA_SetMemoryBurstxfer(DMA2, LL_DMA_STREAM_4, LL_DMA_MBURST_SINGLE);
|
||||
|
||||
/* Set peripheral burst size */
|
||||
LL_DMA_SetPeriphBurstxfer(DMA2, LL_DMA_STREAM_4, LL_DMA_PBURST_SINGLE);
|
||||
|
||||
/* DMA interrupt init */
|
||||
/* DMA2_Stream4_IRQn interrupt configuration */
|
||||
NVIC_SetPriority(DMA2_Stream4_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
|
||||
NVIC_EnableIRQ(DMA2_Stream4_IRQn);
|
||||
|
||||
}
|
||||
|
||||
/* USER CODE BEGIN 2 */
|
||||
|
||||
/* USER CODE END 2 */
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
|
@ -51,10 +51,10 @@ void MX_FSMC_Init(void)
|
|||
hsram1.Init.WriteBurst = FSMC_WRITE_BURST_DISABLE;
|
||||
hsram1.Init.PageSize = FSMC_PAGE_SIZE_NONE;
|
||||
/* Timing */
|
||||
Timing.AddressSetupTime = 15;
|
||||
Timing.AddressSetupTime = 0;
|
||||
Timing.AddressHoldTime = 15;
|
||||
Timing.DataSetupTime = 255;
|
||||
Timing.BusTurnAroundDuration = 15;
|
||||
Timing.DataSetupTime = 1;
|
||||
Timing.BusTurnAroundDuration = 0;
|
||||
Timing.CLKDivision = 16;
|
||||
Timing.DataLatency = 17;
|
||||
Timing.AccessMode = FSMC_ACCESS_MODE_A;
|
||||
|
|
10
Src/main.c
10
Src/main.c
|
@ -20,13 +20,14 @@
|
|||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "main.h"
|
||||
#include "dma.h"
|
||||
#include "usart.h"
|
||||
#include "gpio.h"
|
||||
#include "fsmc.h"
|
||||
|
||||
/* Private includes ----------------------------------------------------------*/
|
||||
/* USER CODE BEGIN Includes */
|
||||
#include <ILI9341.h>
|
||||
#include <mainloop.h>
|
||||
|
||||
/* USER CODE END Includes */
|
||||
|
||||
|
@ -91,20 +92,17 @@ int main(void)
|
|||
|
||||
/* Initialize all configured peripherals */
|
||||
MX_GPIO_Init();
|
||||
MX_DMA_Init();
|
||||
MX_USART1_UART_Init();
|
||||
MX_FSMC_Init();
|
||||
/* USER CODE BEGIN 2 */
|
||||
ili9341_init();
|
||||
|
||||
MainLoop();
|
||||
/* USER CODE END 2 */
|
||||
|
||||
/* Infinite loop */
|
||||
/* USER CODE BEGIN WHILE */
|
||||
while (1)
|
||||
{
|
||||
LL_GPIO_TogglePin(LED1_GPIO_Port, LED1_Pin);
|
||||
LL_GPIO_TogglePin(LED2_GPIO_Port, LED2_Pin);
|
||||
LL_mDelay(500);
|
||||
/* USER CODE END WHILE */
|
||||
|
||||
/* USER CODE BEGIN 3 */
|
||||
|
|
|
@ -23,6 +23,8 @@
|
|||
#include "stm32f4xx_it.h"
|
||||
/* Private includes ----------------------------------------------------------*/
|
||||
/* USER CODE BEGIN Includes */
|
||||
#include "interrupt_handlers.h"
|
||||
|
||||
/* USER CODE END Includes */
|
||||
|
||||
/* Private typedef -----------------------------------------------------------*/
|
||||
|
@ -197,6 +199,33 @@ void SysTick_Handler(void)
|
|||
/* please refer to the startup file (startup_stm32f4xx.s). */
|
||||
/******************************************************************************/
|
||||
|
||||
/**
|
||||
* @brief This function handles USART1 global interrupt.
|
||||
*/
|
||||
void USART1_IRQHandler(void)
|
||||
{
|
||||
/* USER CODE BEGIN USART1_IRQn 0 */
|
||||
|
||||
/* USER CODE END USART1_IRQn 0 */
|
||||
/* USER CODE BEGIN USART1_IRQn 1 */
|
||||
|
||||
/* USER CODE END USART1_IRQn 1 */
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief This function handles DMA2 stream4 global interrupt.
|
||||
*/
|
||||
void DMA2_Stream4_IRQHandler(void)
|
||||
{
|
||||
/* USER CODE BEGIN DMA2_Stream4_IRQn 0 */
|
||||
HandleLcdDmaIrq();
|
||||
/* USER CODE END DMA2_Stream4_IRQn 0 */
|
||||
|
||||
/* USER CODE BEGIN DMA2_Stream4_IRQn 1 */
|
||||
|
||||
/* USER CODE END DMA2_Stream4_IRQn 1 */
|
||||
}
|
||||
|
||||
/* USER CODE BEGIN 1 */
|
||||
|
||||
/* USER CODE END 1 */
|
||||
|
|
|
@ -47,6 +47,10 @@ void MX_USART1_UART_Init(void)
|
|||
GPIO_InitStruct.Alternate = LL_GPIO_AF_7;
|
||||
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
||||
|
||||
/* USART1 interrupt Init */
|
||||
NVIC_SetPriority(USART1_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
|
||||
NVIC_EnableIRQ(USART1_IRQn);
|
||||
|
||||
USART_InitStruct.BaudRate = 115200;
|
||||
USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
|
||||
USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue