int main(void) {
char buff[100];
/* Init system clock for maximum system speed */
TM_RCC_InitSystem();
/* Init HAL layer */
HAL_Init();
/* Init leds */
TM_DISCO_LedInit();
/* Init LCD */
TM_LCD_Init();
/* Display fixes */
#if defined(STM32F7_DISCOVERY)
TM_LCD_SetFont(&TM_Font_7x10);
#elif defined(STM32F429_DISCOVERY)
TM_LCD_SetFont(&TM_Font_7x10);
TM_LCD_SetOrientation(3);
#endif
/* Format unique ID */
sprintf(buff, "Unique ID: 0x%08X 0x%08X 0x%08X", TM_ID_GetUnique32(0), TM_ID_GetUnique32(1), TM_ID_GetUnique32(2));
TM_LCD_SetXY(10, 10);
TM_LCD_Puts(buff);
/* Format device signature */
sprintf(buff, "Device signature: 0x%04X", TM_ID_GetSignature());
TM_LCD_SetXY(10, 30);
TM_LCD_Puts(buff);
/* Format revision */
sprintf(buff, "Revision: 0x%04X", TM_ID_GetRevision());
TM_LCD_SetXY(10, 50);
TM_LCD_Puts(buff);
/* Format package */
sprintf(buff, "Package: 0x%04X", TM_ID_GetPackage());
TM_LCD_SetXY(10, 70);
TM_LCD_Puts(buff);
/* Format flash size */
sprintf(buff, "Flash size: %04d kBytes", TM_ID_GetFlashSize());
TM_LCD_SetXY(10, 90);
TM_LCD_Puts(buff);
while (1) {
}
}
uint8_t TM_FATFS_SearchCallback(char* path, uint8_t is_file, TM_FATFS_Search_t* FindStructure) {
/* Print on LCD */
TM_LCD_Puts(path);
/* Delete file on card */
if (f_unlink(path) == FR_OK) {
TM_LCD_Puts("; Delete OK!");
} else {
TM_LCD_Puts("; Delete Error!");
}
/* Go to new line */
TM_LCD_Putc('\n');
/* Allow next search */
return 1;
}
int main(void) {
uint8_t i;
/* Init system clock for maximum system speed */
TM_RCC_InitSystem();
/* Init HAL layer */
HAL_Init();
/* Init leds */
TM_DISCO_LedInit();
/* Init delay functions */
TM_DELAY_Init();
/* Init LCD */
TM_LCD_Init();
/* Fill LCD with color */
TM_LCD_Fill(0xFFFF);
/* Set custom orientation for LCD */
TM_LCD_SetOrientation(1);
/* Get orientation from LCD and save to Touch Screen structure */
TS.Orientation = TM_LCD_GetOrientation();
/* Init touch, use default drivers, depends on defines in library */
/* Check library description for more information */
TM_TOUCH_Init(NULL, &TS);
while (1) {
/* Read touch */
TM_TOUCH_Read(&TS);
/* Check if pressed */
if (TS.NumPresses) {
/* Go through all presses on LCD */
for (i = 0; i < TS.NumPresses; i++) {
/* Draw circle */
TM_LCD_DrawFilledCircle(TS.X[i], TS.Y[i], 5, TOUCH_Colors[i]);
/* Format string */
sprintf(str, "X: %3d Y: %3d", TS.X[i], TS.Y[i]);
/* Print on LCD */
TM_LCD_SetXY(10, 10 + i * 20);
TM_LCD_Puts(str);
}
}
Delayms(5);
}
}
int main(void) {
#ifdef CREATE_FILES
uint8_t i = 10;
#endif
/* Init system clock for maximum system speed */
TM_RCC_InitSystem();
/* Init HAL layer */
HAL_Init();
/* Init leds */
TM_DISCO_LedInit();
/* Init LCD */
TM_LCD_Init();
/* Set font */
TM_LCD_SetFont(&TM_Font_7x10);
/* Set start position */
TM_LCD_SetXY(5, 5);
/* Try to mount card */
if ((fres = f_mount(&FS, "SD:", 1)) == FR_OK) {
#ifdef CREATE_FILES
/* Create 10 fake files */
while (i--) {
/* Format path */
sprintf(buffer, "SD:/file_%d.txt", i);
/* open file */
f_open(&fil, buffer, FA_OPEN_ALWAYS | FA_WRITE | FA_WRITE);
/* Put some text */
f_puts("Test file content!", &fil);
/* Close file */
f_close(&fil);
}
#endif
/* Make a search on files */
if ((fres = TM_FATFS_Search("SD:", buffer, sizeof(buffer), &Files)) == FR_OK) {
/* Search was OK */
/* Format string */
sprintf(buffer, "Search OK! Num of files: %d; Num of folders: %d\n", Files.FilesCount, Files.FoldersCount);
/* Send on LCD */
TM_LCD_Puts(buffer);
} else {
/* Error, probably buffer is too small for all sub folders */
TM_LCD_Puts("Search error!\n");
}
/* Unmount SDCARD */
f_mount(NULL, "SD:", 1);
}
/* Do nothing */
while (1) {
}
}
int main(void) {
uint32_t i = 0, freq = 0;
/* Init system clock for maximum system speed */
TM_RCC_InitSystem();
/* Init HAL layer */
HAL_Init();
/* Init LCD */
TM_LCD_Init();
#if defined(STM32F429_DISCOVERY)
/* Rotate LCD to landscape mode */
TM_LCD_SetOrientation(2);
#endif
/* Print on LCD */
TM_LCD_SetXY(10, 10);
TM_LCD_Puts("FFT Library example");
TM_LCD_SetXY(10, 30);
TM_LCD_Puts("with software generated");
TM_LCD_SetXY(10, 50);
TM_LCD_Puts("SINE wave");
/* Print "logo" */
TM_LCD_SetFont(&TM_Font_7x10);
TM_LCD_SetXY(30, TM_LCD_GetHeight() - 15);
TM_LCD_Puts("stm32f4-discovery.net");
/* Init FFT, FFT_SIZE define is used for FFT_SIZE, samples count is FFT_SIZE * 2, don't use malloc for memory allocation */
TM_FFT_Init_F32(&FFT, FFT_SIZE, 0);
/* We didn't used malloc for allocation, so we have to set pointers ourself */
/* Input buffer must be 2 * FFT_SIZE in length because of real and imaginary part */
/* Output buffer must be FFT_SIZE in length */
TM_FFT_SetBuffers_F32(&FFT, Input, Output);
while (1) {
/* Let's fake sinus signal with 5, 15 and 30Hz frequencies */
do {
/* Calculate sinus value */
sin_val = 0;
sin_val += (float)0.5 * (float)sin((float)2 * (float)3.14159265359 * (float)1 * (float)freq * (float)i / (float)(FFT_SIZE / 2));
sin_val += (float)0.3 * (float)sin((float)2 * (float)3.14159265359 * (float)2 * (float)freq * (float)i / (float)(FFT_SIZE / 2));
sin_val += (float)0.1 * (float)sin((float)2 * (float)3.14159265359 * (float)3 * (float)freq * (float)i / (float)(FFT_SIZE / 2));
i++;
} while (!TM_FFT_AddToBuffer(&FFT, sin_val));
/* Do FFT on signal, values at each bin and calculate max value and index where max value happened */
TM_FFT_Process_F32(&FFT);
/* Display data on LCD, only single sided spectrum of FFT */
for (i = 0; i < (TM_FFT_GetFFTSize(&FFT) / 2); i++) {
/* Draw FFT results */
DrawBar(30 + 2 * i,
TM_LCD_GetHeight() - 30,
FFT_BAR_MAX_HEIGHT,
TM_FFT_GetMaxValue(&FFT),
TM_FFT_GetFromBuffer(&FFT, i),
0x1234,
0xFFFF
);
}
/* Increase frequency */
freq++;
/* Check value */
if (freq > 100) {
freq = 0;
}
/* Little delay */
Delayms(50);
}
}
