3.5" inch TFT LCD Display Module 480X320 driven with FSMC.
TFT LCD Display Module 480X320 driven with FSMC
I have recently bought a 3.5" inch TFT LCD Touch Screen Display Module 480X320 with a www.mcufriend.com
label on the back side. The display was equipped with an 8bit parallel interface. First I decided to test it with the UniGraphic library using the BUS_8
protocol. The display was very slow but improved when I switched to the PAR_8
protocol. Because I heard about the possibility to use a Flexible Static Memory Controller (FSMC), built into some STM MCU's, to drive LCD's (read/write to LCD's memory rather than to an external SRAM) I thought it would be a fun to try it out.
Below is the brief story of what I did:
- Created a project for my STM32F407VE board in the STM32CubeIDE
- Set the
Clock Configuration
to match the one used by Mbed for the Seeed Arch Max board:
- Selected
FSMC
in theConnectivity
category and configured it as below: - Let the
STM32CubeIDE
generate the code (files). - Created a new program for the Seeed Arch Max target in the Mbed Online Compiler by selecting a
mbed os blinky
template. - Replaced the
main.cpp
with themain.c
content of theSTM32CubeIDE
project. Copy & Pasted
the other files with codes from theSTM32CubeIDE
project to the online compiler project.- Renamed and modified:
"stm32f4xx_it.h" to "stm32f4xx_it_msp.h"
"stm32f4xx_it.c" to "stm32f4xx_it_msp.c" - Added the UniGraphic library to the online compiler project.
- Extended the
UniGraphic
library with aFSMC_8
protocol and replaced theTFT::set_orientation(int orient)
function with the one used bymcufriend
for arduino. - Modified the
main.cpp
as needed.
Wiring
STM32F407VE | TFT LCD module |
---|---|
+3.3V | 3V3 |
GND | GND |
PB_12 | LCD_RST |
GND | LCD_CS |
PD_13 (RS) | LCD_RS |
PD_5 (WR) | LCD_WR |
PD_4 (RD) | LCD_RD |
PD_14 (DB00) | LCD_D0 |
PD_15 (DB01) | LCD_D1 |
PD_0 (DB02) | LCD_D2 |
PD_1 (DB03) | LCD_D3 |
PE_7 (DB04) | LCD_D4 |
PE_8 (DB05) | LCD_D5 |
PE_9 (DB06) | LCD_D6 |
PE_10 (DB07) | LCD_D7 |
Results
Execution times | ||
---|---|---|
Used protocol | BUS_8 | FSMC_8 |
Operation \ Time | ms | ms |
Clear | 2283.980 | 38.454 |
Plot | 192.066 | 11.365 |
8bit BMP | 63.805 | 41.338 |
Large Font | 163.872 | 7.895 |
Sparce pixels | 2072.265/1458.051 | 74.107/52.168 |
16bit BMP | 2288.589 | 59.904 |
stm32f4xx_it_msp.c@0:fa952828e34c, 2020-05-10 (annotated)
- Committer:
- hudakz
- Date:
- Sun May 10 10:44:31 2020 +0000
- Revision:
- 0:fa952828e34c
- Child:
- 1:47c996032a9e
3.5" inch TFT LCD Display Module 480X320 driven with FSMC.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
hudakz | 0:fa952828e34c | 1 | /* USER CODE BEGIN Header */ |
hudakz | 0:fa952828e34c | 2 | /** |
hudakz | 0:fa952828e34c | 3 | ****************************************************************************** |
hudakz | 0:fa952828e34c | 4 | * @file stm32f4xx_it.c |
hudakz | 0:fa952828e34c | 5 | * @brief Interrupt Service Routines. |
hudakz | 0:fa952828e34c | 6 | ****************************************************************************** |
hudakz | 0:fa952828e34c | 7 | * @attention |
hudakz | 0:fa952828e34c | 8 | * |
hudakz | 0:fa952828e34c | 9 | * <h2><center>© Copyright (c) 2020 STMicroelectronics. |
hudakz | 0:fa952828e34c | 10 | * All rights reserved.</center></h2> |
hudakz | 0:fa952828e34c | 11 | * |
hudakz | 0:fa952828e34c | 12 | * This software component is licensed by ST under BSD 3-Clause license, |
hudakz | 0:fa952828e34c | 13 | * the "License"; You may not use this file except in compliance with the |
hudakz | 0:fa952828e34c | 14 | * License. You may obtain a copy of the License at: |
hudakz | 0:fa952828e34c | 15 | * opensource.org/licenses/BSD-3-Clause |
hudakz | 0:fa952828e34c | 16 | * |
hudakz | 0:fa952828e34c | 17 | ****************************************************************************** |
hudakz | 0:fa952828e34c | 18 | */ |
hudakz | 0:fa952828e34c | 19 | /* USER CODE END Header */ |
hudakz | 0:fa952828e34c | 20 | |
hudakz | 0:fa952828e34c | 21 | /* Includes ------------------------------------------------------------------*/ |
hudakz | 0:fa952828e34c | 22 | #include "main.h" |
hudakz | 0:fa952828e34c | 23 | #include "stm32f4xx_it_msp.h" |
hudakz | 0:fa952828e34c | 24 | /* Private includes ----------------------------------------------------------*/ |
hudakz | 0:fa952828e34c | 25 | /* USER CODE BEGIN Includes */ |
hudakz | 0:fa952828e34c | 26 | /* USER CODE END Includes */ |
hudakz | 0:fa952828e34c | 27 | |
hudakz | 0:fa952828e34c | 28 | /* Private typedef -----------------------------------------------------------*/ |
hudakz | 0:fa952828e34c | 29 | /* USER CODE BEGIN TD */ |
hudakz | 0:fa952828e34c | 30 | |
hudakz | 0:fa952828e34c | 31 | /* USER CODE END TD */ |
hudakz | 0:fa952828e34c | 32 | |
hudakz | 0:fa952828e34c | 33 | /* Private define ------------------------------------------------------------*/ |
hudakz | 0:fa952828e34c | 34 | /* USER CODE BEGIN PD */ |
hudakz | 0:fa952828e34c | 35 | |
hudakz | 0:fa952828e34c | 36 | /* USER CODE END PD */ |
hudakz | 0:fa952828e34c | 37 | |
hudakz | 0:fa952828e34c | 38 | /* Private macro -------------------------------------------------------------*/ |
hudakz | 0:fa952828e34c | 39 | /* USER CODE BEGIN PM */ |
hudakz | 0:fa952828e34c | 40 | |
hudakz | 0:fa952828e34c | 41 | /* USER CODE END PM */ |
hudakz | 0:fa952828e34c | 42 | |
hudakz | 0:fa952828e34c | 43 | /* Private variables ---------------------------------------------------------*/ |
hudakz | 0:fa952828e34c | 44 | /* USER CODE BEGIN PV */ |
hudakz | 0:fa952828e34c | 45 | |
hudakz | 0:fa952828e34c | 46 | /* USER CODE END PV */ |
hudakz | 0:fa952828e34c | 47 | |
hudakz | 0:fa952828e34c | 48 | /* Private function prototypes -----------------------------------------------*/ |
hudakz | 0:fa952828e34c | 49 | /* USER CODE BEGIN PFP */ |
hudakz | 0:fa952828e34c | 50 | |
hudakz | 0:fa952828e34c | 51 | /* USER CODE END PFP */ |
hudakz | 0:fa952828e34c | 52 | |
hudakz | 0:fa952828e34c | 53 | /* Private user code ---------------------------------------------------------*/ |
hudakz | 0:fa952828e34c | 54 | /* USER CODE BEGIN 0 */ |
hudakz | 0:fa952828e34c | 55 | |
hudakz | 0:fa952828e34c | 56 | /* USER CODE END 0 */ |
hudakz | 0:fa952828e34c | 57 | |
hudakz | 0:fa952828e34c | 58 | /* External variables --------------------------------------------------------*/ |
hudakz | 0:fa952828e34c | 59 | |
hudakz | 0:fa952828e34c | 60 | /* USER CODE BEGIN EV */ |
hudakz | 0:fa952828e34c | 61 | |
hudakz | 0:fa952828e34c | 62 | /* USER CODE END EV */ |
hudakz | 0:fa952828e34c | 63 | |
hudakz | 0:fa952828e34c | 64 | /******************************************************************************/ |
hudakz | 0:fa952828e34c | 65 | /* Cortex-M4 Processor Interruption and Exception Handlers */ |
hudakz | 0:fa952828e34c | 66 | /******************************************************************************/ |
hudakz | 0:fa952828e34c | 67 | /** |
hudakz | 0:fa952828e34c | 68 | * @brief This function handles Non maskable interrupt. |
hudakz | 0:fa952828e34c | 69 | */ |
hudakz | 0:fa952828e34c | 70 | void NMI_Handler(void) |
hudakz | 0:fa952828e34c | 71 | { |
hudakz | 0:fa952828e34c | 72 | /* USER CODE BEGIN NonMaskableInt_IRQn 0 */ |
hudakz | 0:fa952828e34c | 73 | |
hudakz | 0:fa952828e34c | 74 | /* USER CODE END NonMaskableInt_IRQn 0 */ |
hudakz | 0:fa952828e34c | 75 | /* USER CODE BEGIN NonMaskableInt_IRQn 1 */ |
hudakz | 0:fa952828e34c | 76 | |
hudakz | 0:fa952828e34c | 77 | /* USER CODE END NonMaskableInt_IRQn 1 */ |
hudakz | 0:fa952828e34c | 78 | } |
hudakz | 0:fa952828e34c | 79 | |
hudakz | 0:fa952828e34c | 80 | /** |
hudakz | 0:fa952828e34c | 81 | * @brief This function handles Hard fault interrupt. |
hudakz | 0:fa952828e34c | 82 | */ |
hudakz | 0:fa952828e34c | 83 | //void HardFault_Handler(void) |
hudakz | 0:fa952828e34c | 84 | //{ |
hudakz | 0:fa952828e34c | 85 | // /* USER CODE BEGIN HardFault_IRQn 0 */ |
hudakz | 0:fa952828e34c | 86 | |
hudakz | 0:fa952828e34c | 87 | // /* USER CODE END HardFault_IRQn 0 */ |
hudakz | 0:fa952828e34c | 88 | // while (1) |
hudakz | 0:fa952828e34c | 89 | // { |
hudakz | 0:fa952828e34c | 90 | // /* USER CODE BEGIN W1_HardFault_IRQn 0 */ |
hudakz | 0:fa952828e34c | 91 | // /* USER CODE END W1_HardFault_IRQn 0 */ |
hudakz | 0:fa952828e34c | 92 | // } |
hudakz | 0:fa952828e34c | 93 | //} |
hudakz | 0:fa952828e34c | 94 | |
hudakz | 0:fa952828e34c | 95 | /** |
hudakz | 0:fa952828e34c | 96 | * @brief This function handles Memory management fault. |
hudakz | 0:fa952828e34c | 97 | */ |
hudakz | 0:fa952828e34c | 98 | //void MemManage_Handler(void) |
hudakz | 0:fa952828e34c | 99 | //{ |
hudakz | 0:fa952828e34c | 100 | // /* USER CODE BEGIN MemoryManagement_IRQn 0 */ |
hudakz | 0:fa952828e34c | 101 | |
hudakz | 0:fa952828e34c | 102 | // /* USER CODE END MemoryManagement_IRQn 0 */ |
hudakz | 0:fa952828e34c | 103 | // while (1) |
hudakz | 0:fa952828e34c | 104 | // { |
hudakz | 0:fa952828e34c | 105 | // /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */ |
hudakz | 0:fa952828e34c | 106 | // /* USER CODE END W1_MemoryManagement_IRQn 0 */ |
hudakz | 0:fa952828e34c | 107 | // } |
hudakz | 0:fa952828e34c | 108 | //} |
hudakz | 0:fa952828e34c | 109 | |
hudakz | 0:fa952828e34c | 110 | /** |
hudakz | 0:fa952828e34c | 111 | * @brief This function handles Pre-fetch fault, memory access fault. |
hudakz | 0:fa952828e34c | 112 | */ |
hudakz | 0:fa952828e34c | 113 | //void BusFault_Handler(void) |
hudakz | 0:fa952828e34c | 114 | //{ |
hudakz | 0:fa952828e34c | 115 | // /* USER CODE BEGIN BusFault_IRQn 0 */ |
hudakz | 0:fa952828e34c | 116 | |
hudakz | 0:fa952828e34c | 117 | // /* USER CODE END BusFault_IRQn 0 */ |
hudakz | 0:fa952828e34c | 118 | // while (1) |
hudakz | 0:fa952828e34c | 119 | // { |
hudakz | 0:fa952828e34c | 120 | // /* USER CODE BEGIN W1_BusFault_IRQn 0 */ |
hudakz | 0:fa952828e34c | 121 | // /* USER CODE END W1_BusFault_IRQn 0 */ |
hudakz | 0:fa952828e34c | 122 | // } |
hudakz | 0:fa952828e34c | 123 | //} |
hudakz | 0:fa952828e34c | 124 | |
hudakz | 0:fa952828e34c | 125 | /** |
hudakz | 0:fa952828e34c | 126 | * @brief This function handles Undefined instruction or illegal state. |
hudakz | 0:fa952828e34c | 127 | */ |
hudakz | 0:fa952828e34c | 128 | //void UsageFault_Handler(void) |
hudakz | 0:fa952828e34c | 129 | //{ |
hudakz | 0:fa952828e34c | 130 | // /* USER CODE BEGIN UsageFault_IRQn 0 */ |
hudakz | 0:fa952828e34c | 131 | |
hudakz | 0:fa952828e34c | 132 | // /* USER CODE END UsageFault_IRQn 0 */ |
hudakz | 0:fa952828e34c | 133 | // while (1) |
hudakz | 0:fa952828e34c | 134 | // { |
hudakz | 0:fa952828e34c | 135 | // /* USER CODE BEGIN W1_UsageFault_IRQn 0 */ |
hudakz | 0:fa952828e34c | 136 | // /* USER CODE END W1_UsageFault_IRQn 0 */ |
hudakz | 0:fa952828e34c | 137 | // } |
hudakz | 0:fa952828e34c | 138 | //} |
hudakz | 0:fa952828e34c | 139 | |
hudakz | 0:fa952828e34c | 140 | /** |
hudakz | 0:fa952828e34c | 141 | * @brief This function handles System service call via SWI instruction. |
hudakz | 0:fa952828e34c | 142 | */ |
hudakz | 0:fa952828e34c | 143 | //void SVC_Handler(void) |
hudakz | 0:fa952828e34c | 144 | //{ |
hudakz | 0:fa952828e34c | 145 | // /* USER CODE BEGIN SVCall_IRQn 0 */ |
hudakz | 0:fa952828e34c | 146 | |
hudakz | 0:fa952828e34c | 147 | // /* USER CODE END SVCall_IRQn 0 */ |
hudakz | 0:fa952828e34c | 148 | // /* USER CODE BEGIN SVCall_IRQn 1 */ |
hudakz | 0:fa952828e34c | 149 | |
hudakz | 0:fa952828e34c | 150 | // /* USER CODE END SVCall_IRQn 1 */ |
hudakz | 0:fa952828e34c | 151 | //} |
hudakz | 0:fa952828e34c | 152 | |
hudakz | 0:fa952828e34c | 153 | /** |
hudakz | 0:fa952828e34c | 154 | * @brief This function handles Debug monitor. |
hudakz | 0:fa952828e34c | 155 | */ |
hudakz | 0:fa952828e34c | 156 | //void DebugMon_Handler(void) |
hudakz | 0:fa952828e34c | 157 | //{ |
hudakz | 0:fa952828e34c | 158 | // /* USER CODE BEGIN DebugMonitor_IRQn 0 */ |
hudakz | 0:fa952828e34c | 159 | |
hudakz | 0:fa952828e34c | 160 | // /* USER CODE END DebugMonitor_IRQn 0 */ |
hudakz | 0:fa952828e34c | 161 | // /* USER CODE BEGIN DebugMonitor_IRQn 1 */ |
hudakz | 0:fa952828e34c | 162 | |
hudakz | 0:fa952828e34c | 163 | // /* USER CODE END DebugMonitor_IRQn 1 */ |
hudakz | 0:fa952828e34c | 164 | //} |
hudakz | 0:fa952828e34c | 165 | |
hudakz | 0:fa952828e34c | 166 | /** |
hudakz | 0:fa952828e34c | 167 | * @brief This function handles Pendable request for system service. |
hudakz | 0:fa952828e34c | 168 | */ |
hudakz | 0:fa952828e34c | 169 | //void PendSV_Handler(void) |
hudakz | 0:fa952828e34c | 170 | //{ |
hudakz | 0:fa952828e34c | 171 | // /* USER CODE BEGIN PendSV_IRQn 0 */ |
hudakz | 0:fa952828e34c | 172 | |
hudakz | 0:fa952828e34c | 173 | // /* USER CODE END PendSV_IRQn 0 */ |
hudakz | 0:fa952828e34c | 174 | // /* USER CODE BEGIN PendSV_IRQn 1 */ |
hudakz | 0:fa952828e34c | 175 | |
hudakz | 0:fa952828e34c | 176 | // /* USER CODE END PendSV_IRQn 1 */ |
hudakz | 0:fa952828e34c | 177 | //} |
hudakz | 0:fa952828e34c | 178 | |
hudakz | 0:fa952828e34c | 179 | /** |
hudakz | 0:fa952828e34c | 180 | * @brief This function handles System tick timer. |
hudakz | 0:fa952828e34c | 181 | */ |
hudakz | 0:fa952828e34c | 182 | //void SysTick_Handler(void) |
hudakz | 0:fa952828e34c | 183 | //{ |
hudakz | 0:fa952828e34c | 184 | // /* USER CODE BEGIN SysTick_IRQn 0 */ |
hudakz | 0:fa952828e34c | 185 | |
hudakz | 0:fa952828e34c | 186 | // /* USER CODE END SysTick_IRQn 0 */ |
hudakz | 0:fa952828e34c | 187 | // HAL_IncTick(); |
hudakz | 0:fa952828e34c | 188 | // /* USER CODE BEGIN SysTick_IRQn 1 */ |
hudakz | 0:fa952828e34c | 189 | |
hudakz | 0:fa952828e34c | 190 | // /* USER CODE END SysTick_IRQn 1 */ |
hudakz | 0:fa952828e34c | 191 | //} |
hudakz | 0:fa952828e34c | 192 | |
hudakz | 0:fa952828e34c | 193 | /******************************************************************************/ |
hudakz | 0:fa952828e34c | 194 | /* STM32F4xx Peripheral Interrupt Handlers */ |
hudakz | 0:fa952828e34c | 195 | /* Add here the Interrupt Handlers for the used peripherals. */ |
hudakz | 0:fa952828e34c | 196 | /* For the available peripheral interrupt handler names, */ |
hudakz | 0:fa952828e34c | 197 | /* please refer to the startup file (startup_stm32f4xx.s). */ |
hudakz | 0:fa952828e34c | 198 | /******************************************************************************/ |
hudakz | 0:fa952828e34c | 199 | |
hudakz | 0:fa952828e34c | 200 | /* USER CODE BEGIN 1 */ |
hudakz | 0:fa952828e34c | 201 | |
hudakz | 0:fa952828e34c | 202 | /* USER CODE END 1 */ |
hudakz | 0:fa952828e34c | 203 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
hudakz | 0:fa952828e34c | 204 |