j/HAW-LA_s7-prakt-mikrocontroller
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implement Versuch4 (functional, tested)

Browse Source
This commit is contained in:
jonny 2025-12-02 12:18:48 +01:00
parent 2e1f37bddf
commit 8eef31f3d8
7 changed files with 210 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Versuch4/.mxproject
View File

File diff suppressed because one or more lines are too long

9
Versuch4/Core/Inc/versuch4_write-file.h Normal file
View File

@ -0,0 +1,9 @@
/*
* versuch4_write-file.c
*
* Created on: Dec 1, 2025
* Author: jonny
*/
void versuch4_write_file(void);

11
Versuch4/Core/Src/display.c
View File

@ -39,6 +39,9 @@
#include <stdarg.h>
#include <stdio.h>
#include "FreeRTOS.h"
#include "semphr.h"
/* ToDo: Include headers for RTOS/mutex, declare mutex */
extern SRAM_HandleTypeDef hsram2;
@ -49,19 +52,21 @@ extern SRAM_HandleTypeDef hsram2;
#define DISPLAY_ABS(X) ((x) > 0 ? (x) : -(x))
#define DISPLAY_LIMIT( x, min, max ) {if( x < min ) x = min; else if( x > max ) x = max; }
SemaphoreHandle_t Mutex_Display = NULL;
static char Display_LineBuffer[64]; // Buffer for printf
// Display_Select: Called before any access to the display.
// Return: 0: Error, do not access the display
// 1: OK, access the display
uint8_t Display_Select( void ) {
/* ToDo: Take mutex */
xSemaphoreTake(Mutex_Display, portMAX_DELAY);
return 1; // OK
}
// Display_Deselect: Called after any access to the display.
void Display_Deselect( void ) {
/* ToDo: Give mutex */
xSemaphoreGive(Mutex_Display);
}
/*************************************************************************************************************
@ -813,5 +818,5 @@ void Display_Init( void ) {
Display_Clear_( LCD_COLOR_BLACK ); // Use variant without select/deselect to ignore OS and Mutex here!
}
/* ToDo: Create Mutex */
Mutex_Display = xSemaphoreCreateMutex();
}

109
Versuch4/Core/Src/main.c
View File

@ -136,10 +136,80 @@ void drawButton(bool isPressed){
}
#define BUTTON_PLUS 0
#define BUTTON_MINUS 1
#define BUTTON_PLAY 2
#define BUTTON_PAUSE 3
#define BUTTON_STOP 4
// helper to create all gui buttons at startup
void createGuiElements(){
printf("creating GUI elements\r\n");
GUI_AddButton(5, 88, "+", BUTTON_PLUS);
GUI_AddButton(5, 170, "-", BUTTON_MINUS);
GUI_AddButton(110, 5, "PLAY", BUTTON_PLAY);
GUI_AddButton(110, 88, "PAUSE", BUTTON_PAUSE);
GUI_AddButton(110, 170, "STOP", BUTTON_STOP);
}
// helper to update volume value on display
uint8_t volume = 70;
void drawVolume(){
Display_Printf( 0, 40,
LCD_COLOR_WHITE, LCD_COLOR_BLACK,
&FontBig,
"%03d", volume
);
}
//==========================
//==== Task definitions ====
//==========================
void Task9_receiveGuiEvents(void *){
uint8_t gui_msg = 0;
//initially draw volume
drawVolume();
// receive gui events
while(1){
if (xQueueReceive(GUIQueue, &gui_msg, portMAX_DELAY)){
printf("Received GUI event %d\n", gui_msg);
switch(gui_msg){
case BUTTON_PLUS:
if (++volume > 100) volume = 100;
drawVolume();
break;
case BUTTON_MINUS:
if (volume-- == 0) volume = 0;
drawVolume();
break;
case BUTTON_PLAY:
printf("Play\r\n");
break;
case BUTTON_PAUSE:
printf("Pause\r\n");
break;
case BUTTON_STOP:
printf("Stop\r\n");
break;
}
}
vTaskDelay(pdMS_TO_TICKS(10));
}
}
void Task0_PrintStats(void *){
while (1)
@ -255,6 +325,20 @@ void Task7_receiveQueueEvents(void *){
}
// Task for printing CPU stats via uart and display
void Task8_printLoad(void *){
while(1){
Display_Printf( 0, 0,
LCD_COLOR_WHITE, LCD_COLOR_BLACK,
&FontBig,
"%03d", Usage_GetUsage()
);
Usage_PrintStats();
vTaskDelay(pdMS_TO_TICKS(1000));
}
}
/* USER CODE END 0 */
@ -296,6 +380,8 @@ int main(void)
Usage_Init();
Display_Init();
GUI_Init();
// local variables
uint32_t timestamp_lastCounted = HAL_GetTick();
uint32_t timestamp_lastTouchRead = HAL_GetTick();
@ -306,6 +392,8 @@ int main(void)
int32_t xTouch, yTouch;
// create gui elements (+ - PLAY PAUSE...)
createGuiElements();
/* USER CODE END 2 */
@ -335,17 +423,20 @@ int main(void)
/* USER CODE BEGIN RTOS_THREADS */
/* add threads, ... */
xTaskCreate(Task1_blinkGreenLed, "Task1_green-led", 256, NULL, 0, NULL);
xTaskCreate(Task2_blinkBlueLed, "Task2_blue-led", 256, NULL, 0, NULL);
//xTaskCreate(Task1_blinkGreenLed, "Task1_green-led", 256, NULL, 0, NULL);
//xTaskCreate(Task2_blinkBlueLed, "Task2_blue-led", 256, NULL, 0, NULL);
uint32_t delay1 = 150;
xTaskCreate(Task3_4_blinkRedLed, "Task3_red-led-150", 256, (void *)&delay1, 0, NULL);
uint32_t delay2 = 600;
xTaskCreate(Task3_4_blinkRedLed, "Task4_red-led-600", 256, (void *)&delay2, 0, NULL);
//uint32_t delay1 = 150;
//xTaskCreate(Task3_4_blinkRedLed, "Task3_red-led-150", 256, (void *)&delay1, 0, NULL);
//uint32_t delay2 = 600;
//xTaskCreate(Task3_4_blinkRedLed, "Task4_red-led-600", 256, (void *)&delay2, 0, NULL);
xTaskCreate(Task5_readButton, "Task5_read-button", 256, NULL, 0, NULL);
xTaskCreate(Task6_countButtonPresses, "Task6_countButtonPresses", 256, NULL, 0, NULL);
xTaskCreate(Task7_receiveQueueEvents, "Task7_receiveQueueEvents", 256, NULL, 0, NULL);
//xTaskCreate(Task5_readButton, "Task5_read-button", 256, NULL, 0, NULL);
//xTaskCreate(Task6_countButtonPresses, "Task6_countButtonPresses", 256, NULL, 0, NULL);
//xTaskCreate(Task7_receiveQueueEvents, "Task7_receiveQueueEvents", 256, NULL, 0, NULL);
xTaskCreate(Task8_printLoad, "Task8_stats", 256, NULL, 0, NULL);
xTaskCreate(Task9_receiveGuiEvents, "Task9_GUI", 256, NULL, 0, NULL);
/* USER CODE END RTOS_THREADS */

85
Versuch4/Core/Src/versuch4_write-file.c Normal file
View File

@ -0,0 +1,85 @@
/*
* versuch4_write-file.c
*
* Created on: Dec 1, 2025
* Author: jonny
*/
#include "versuch4_write-file.h"
#include "fatfs.h"
void versuch4_write_file(void)
{
FATFS fs;
FIL fp;
FRESULT res;
// mount fs
printf("1. mounting filesystem...\n");
res = f_mount(&fs, "/", 0);
if (res != FR_OK){
printf("Fehler beim mounten vom dateisystem\n");
return;
}
// open file
printf("2. opening file...\n");
res = f_open(&fp, "test-asd.txt", FA_CREATE_ALWAYS | FA_WRITE);
if (res != FR_OK)
{
printf("Fehler beim Oeffnen der Datei!\n");
return;
}
// write file
printf("3. writing file...\n");
UINT numBytesWritten = 0;
char buf[] = "heute ist der 02.12.2025";
res = f_write(&fp, buf, strlen(buf), &numBytesWritten);
if (res != FR_OK || numBytesWritten == 0)
printf("Fehler beim schreiben der datei\n");
printf("wrote %d bytes\n", numBytesWritten);
// close file
printf("4. closing file...\n");
f_close(&fp);
// open file
printf("5. opening file...\n");
res = f_open(&fp, "test-asd.txt", FA_READ);
if (res != FR_OK)
{
printf("Fehler beim Oeffnen der Datei!\n");
return;
}
// read file
printf("6. reading file...\n");
char bufRead[26];
uint8_t numBytesRead = 0;
res = f_read(&fp, bufRead, 25, &numBytesRead);
printf("read bytes: %d\n", numBytesRead);
bufRead[numBytesRead] = 0;
//printf("read text: %s\n", bufRead);
if (res == FR_OK && numBytesWritten > 0){
//bufRead[25] = 0;
printf("Gelesene Zeichen: %s\n", bufRead);
}
else
printf("Fehler beim lesen der Datei oder weniger als 25 Zeichen\n");
// close file
printf("4. closing file...\n");
f_close(&fp);
}

5
Versuch4/USB_HOST/App/usb_host.c
View File

@ -24,6 +24,8 @@
#include "usbh_core.h"
#include "usbh_msc.h"
#include "versuch4_write-file.h"
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
@ -102,10 +104,13 @@ static void USBH_UserProcess (USBH_HandleTypeDef *phost, uint8_t id)
case HOST_USER_DISCONNECTION:
Appli_state = APPLICATION_DISCONNECT;
printf("USB device disconnected\n\r");
break;
case HOST_USER_CLASS_ACTIVE:
Appli_state = APPLICATION_READY;
printf("USB device ready\n\r");
versuch4_write_file();
break;
case HOST_USER_CONNECTION:

5
Versuch4/Versuch4.ioc
View File

@ -748,7 +748,7 @@ ProjectManager.ToolChainLocation=
ProjectManager.UAScriptAfterPath=
ProjectManager.UAScriptBeforePath=
ProjectManager.UnderRoot=true
ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_USART6_UART_Init-USART6-false-HAL-true,4-MX_FMC_Init-FMC-false-HAL-true,5-MX_I2C3_Init-I2C3-false-HAL-true,0-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true
ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_USART6_UART_Init-USART6-false-HAL-true,4-MX_FMC_Init-FMC-false-HAL-true,5-MX_I2C3_Init-I2C3-false-HAL-true,6-MX_FATFS_Init-FATFS-false-HAL-false,7-MX_USB_HOST_Init-USB_HOST-false-HAL-false,0-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true
RCC.AHBFreq_Value=216000000
RCC.APB1CLKDivider=RCC_HCLK_DIV4
RCC.APB1Freq_Value=54000000
@ -766,7 +766,7 @@ RCC.I2C1Freq_Value=54000000
RCC.I2C2Freq_Value=54000000
RCC.I2C3Freq_Value=54000000
RCC.I2SFreq_Value=96000000
RCC.IPParameters=AHBFreq_Value,APB1CLKDivider,APB1Freq_Value,APB1TimFreq_Value,APB2CLKDivider,APB2Freq_Value,APB2TimFreq_Value,CortexFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI_VALUE,I2C1Freq_Value,I2C2Freq_Value,I2C3Freq_Value,I2SFreq_Value,LPTIM1Freq_Value,LSI_VALUE,MCO2PinFreq_Value,PLLCLKFreq_Value,PLLI2SQCLKFreq_Value,PLLI2SRCLKFreq_Value,PLLI2SRoutputFreq_Value,PLLM,PLLN,PLLQ,PLLQCLKFreq_Value,PLLQoutputFreq_Value,PLLSAIPCLKFreq_Value,PLLSAIQCLKFreq_Value,PLLSAIoutputFreq_Value,PLLSourceVirtual,RNGFreq_Value,SAI1Freq_Value,SAI2Freq_Value,SDMMC2Freq_Value,SDMMCFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,UART4Freq_Value,UART5Freq_Value,UART7Freq_Value,UART8Freq_Value,USART1Freq_Value,USART2Freq_Value,USART3Freq_Value,USART6Freq_Value,USBFreq_Value,VCOI2SOutputFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VCOSAIOutputFreq_Value
RCC.IPParameters=AHBFreq_Value,APB1CLKDivider,APB1Freq_Value,APB1TimFreq_Value,APB2CLKDivider,APB2Freq_Value,APB2TimFreq_Value,CortexFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI_VALUE,I2C1Freq_Value,I2C2Freq_Value,I2C3Freq_Value,I2SFreq_Value,LPTIM1Freq_Value,LSI_VALUE,MCO2PinFreq_Value,PLLCLKFreq_Value,PLLI2SQCLKFreq_Value,PLLI2SRCLKFreq_Value,PLLI2SRoutputFreq_Value,PLLM,PLLN,PLLQ,PLLQCLKFreq_Value,PLLQoutputFreq_Value,PLLSAIPCLKFreq_Value,PLLSAIQCLKFreq_Value,PLLSAIoutputFreq_Value,RNGFreq_Value,SAI1Freq_Value,SAI2Freq_Value,SDMMC2Freq_Value,SDMMCFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,UART4Freq_Value,UART5Freq_Value,UART7Freq_Value,UART8Freq_Value,USART1Freq_Value,USART2Freq_Value,USART3Freq_Value,USART6Freq_Value,USBFreq_Value,VCOI2SOutputFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VCOSAIOutputFreq_Value
RCC.LPTIM1Freq_Value=54000000
RCC.LSI_VALUE=32000
RCC.MCO2PinFreq_Value=216000000
@ -782,7 +782,6 @@ RCC.PLLQoutputFreq_Value=48000000
RCC.PLLSAIPCLKFreq_Value=96000000
RCC.PLLSAIQCLKFreq_Value=96000000
RCC.PLLSAIoutputFreq_Value=96000000
RCC.PLLSourceVirtual=RCC_PLLSOURCE_HSE
RCC.RNGFreq_Value=48000000
RCC.SAI1Freq_Value=96000000
RCC.SAI2Freq_Value=96000000