uint8_t start_capture(char* filename)
{
sd_reset();
uint8_t result = init_sd_card();
if (result != SD_SUCCESS) {
return result;
}
capturedBytes = 0L;
file = NULL;
// Always operate in truncation mode.
sdcard.delete_file(filename);
uint8_t rc = sdcard.create_file(filename);
if (rc == 0) {
return SD_ERR_FILE_NOT_FOUND;
//return rc;
}
rc = sdcard.open_file(filename,&file);
if (rc == 0) {
return SD_ERR_PARTITION_READ;
}
if (file == NULL) {
return SD_ERR_GENERIC;
}
capturing = true;
return SD_SUCCESS;
}
uint8_t sd_scan_reset() {
sd_reset();
uint8_t rsp = init_sd_card();
if (rsp != SD_SUCCESS) {
return rsp;
}
return sdcard.sd_scan_reset();
}
/**
* @brief Initialize the system and interrupts
* @return Void
*/
void initialize_system(void)
{
timer_interrupt = false; // Clear the timer interrupt flag
playing_sound = false;
message_count = 0;
valid_message = true;
PORTA = 0x00;
DDRA = 0xFF;
PORTA = 0x00;
// Set the data direction register values
DDRD |= _BV(5) | _BV(6) | _BV(7);
TCCR1A = 0x00;
TCCR1B = 0x0D;
OCR1A = 390; // 1s interval
TIMSK1 |= (1<<OCIE1A); // Enable interrupt
init_usart_pc();
log_msg("SABT initialising...\n\r");
log_msg("Setting flags...OK\n\r");
log_msg("PC USART...OK\n\r");
log_msg("Keypad USART...");
init_usart_keypad();
log_msg("OK\n\r");
log_msg("SPI...");
spi_initialize();
log_msg("OK\n\r");
log_msg("Interrupt flag...");
sei(); // sets the interrupt flag (enables interrupts)
log_msg("OK\n\r");
init_sd_card(true);
log_msg("SD card...OK\n\r");
play_mp3_file((unsigned char*)"SYS_WELC.mp3");
ui_check_modes();
log_msg("Parsing modes...OK\n\r");
log_msg("Type info\n\r");
log_msg("char: %d bytes\n\r", sizeof(char));
log_msg("int: %d bytes\n\r", sizeof(int));
log_msg("short: %d bytes\n\r", sizeof(short));
log_msg("long: %d bytes\n\r", sizeof(long));
log_msg("void*: %d bytes\n\r", sizeof(void*));
play_mp3("SYS_","MENU");
}
uint8_t start_playback(char* filename) {
sd_reset();
uint8_t result = init_sd_card();
if (result != SD_SUCCESS) {
return result;
}
capturedBytes = 0L;
file = NULL;
uint8_t rc = sdcard.open_file(filename, &file);
if (rc == 0 || file == NULL) {
return SD_ERR_FILE_NOT_FOUND;
}
playing = true;
fetch_next_byte();
return SD_SUCCESS;
}
int main(void)
{
int8_t byte_str[4]; // Wird benutzt um hier ein Byte als String abzulegen
// LCD Display intialisieren
lcd_init();
// Startmeldung ausgeben
show_start_message();
// Stepper Initialisieren
init_stepper();
// Motor Initialisieren
init_motor();
// Steursignale BYTE_READY, SYNC und SOE Initialisieren
init_controll_signals();
// Schreibschutz setzen
clear_wps();
// Timer0 --> GCR senden
init_timer0();
// Tasten Initialisieren
init_keys();
// Timer2 --> wird alle 1ms aufgerufen
// z.B. zu Tasten entprellen
init_timer2();
// Meldung ausgeben, das auf SD Karte gewartet wird
lcd_setcursor(0,2);
lcd_string("Wait for SD-Karte...");
// SD Karte initialisieren
// Partition und Filesystem öffnen
// Warten bis alles O.K. ist
while(init_sd_card()){}
lcd_clear();
view_dir_entry(0,&file_entry);
#ifdef DEBUG_MODE
lcd_setcursor(0,4);
lcd_string("T:");
lcd_setcursor(5,4);
lcd_string("M:");
lcd_setcursor(9,4);
lcd_string("K:");
lcd_setcursor(2,4);
sprintf(byte_str,"%d",akt_half_track >> 1);
lcd_string(byte_str);
#endif
// Interrupts erlauben
sei();
while(1)
{
// Auf Steppermotor aktivität prüfen
// und auswerten
if(stepper_signal_r_pos != stepper_signal_w_pos)
{
uint8_t stepper = stepper_signal_puffer[stepper_signal_r_pos++]>>2 | stepper_signal_puffer[stepper_signal_r_pos-1];
switch(stepper)
{
case 0x30: case 0x40: case 0x90: case 0xE0:
// DEC
stepper_dec();
stepper_signal_time = 0;
stepper_signal = 1;
break;
case 0x10: case 0x60: case 0xB0: case 0xC0:
// INC
stepper_inc();
stepper_signal_time = 0;
stepper_signal = 1;
break;
}
#ifdef DEBUG_MODE
lcd_setcursor(2,4);
lcd_string(" ");
lcd_setcursor(2,4);
sprintf(byte_str,"%d",akt_half_track >> 1);
lcd_string(byte_str);
#endif
}
else if(stepper_signal && (stepper_signal_time >= STEPPER_DELAY_TIME))
Shell_Object * CreatePicViewer(void) {
Shell_Object * parent;
uchar buf_head[8];
uint32 length;
uchar is_png;
png_structp png_ptr;
png_infop info_ptr;
png_infop end_ptr;
Heap_Manager * png_heap;
Heap_Manager * pic_heap;
void * temp_ptr;
png_byte * row_pointers[480];
efat_FileSystem * fs;
efat_File * file;
uint32 i, j;
uchar r, g, b;
uint16 * background;
uint32 p_width, p_height, p_bdepth, p_ctype;
init_sd_card(&_osc._fm_drives[0]);
//Uart_Printf("sd driver initialized\n");
fs = efat_Init(0, &_osc._fm_drives[0]);
file = efat_Open("test.png", fs, "r");
if(file == NULL) {
Uart_Printf("file not found\n");
return NULL;
}
Uart_Printf("file found\n");
//efat_Read(512, myFile, (uchar *)buf);
length = file_Read(8, file, buf_head);
if(length != 8) {
return NULL;
}
//memcmp("aaaa", buf_head, 3);
is_png = !png_sig_cmp_2(buf_head, 0, 8);
if(!is_png) {
Uart_Printf("this is not a png file\n");
return NULL;
}
Uart_Printf("this is png file\n");
png_heap = m_create_heap(1024 * 2048);
//usr_alloc(NULL, 20);
Uart_Printf("create read struct\n");
png_ptr = png_create_read_struct_3(PNG_LIBPNG_VER_STRING,
(void *)temp_ptr, png_user_error, png_user_warning,
(void *)png_heap, usr_alloc, usr_release);
if(png_ptr == NULL) {
return NULL;
}
Uart_Printf("create info struct\n");
info_ptr = png_create_info_struct_2(png_ptr);
if(info_ptr == NULL) {
png_heap = png_get_mem_ptr_2(png_ptr);
//png_destroy_read_struct(&png_ptr, NULL, NULL);
m_delete_heap(png_heap);
return NULL;
}
end_ptr = png_create_info_struct_2(png_ptr);
if(end_ptr == NULL) {
png_heap = png_get_mem_ptr_2(png_ptr);
//png_destroy_read_struct(&png_ptr, info_ptr, NULL);
m_delete_heap(png_heap);
return NULL;
}
Uart_Printf("info created\n");
png_set_read_fn_2(png_ptr, file, usr_read_data);
png_set_sig_bytes_2(png_ptr, 8);
png_set_user_limits_2(png_ptr, 640, 480);
//row_pointers = usr_alloc(png_ptr, png_ptr->height * sizeof(png_byte *));
Uart_Printf("allocating rows pointer\n");
/*for(i=0;i<png_ptr->height;i++) {
row_pointers[i] = NULL;
}*/
for(i=0;i<320;i++) {
row_pointers[i] = usr_alloc(png_ptr, png_ptr->width * 4);
Uart_Printf("%d\n", row_pointers[i]);
}
//use high level interface
Uart_Printf("use high level interface\n");
png_read_png_2(png_ptr, info_ptr, PNG_TRANSFORM_STRIP_ALPHA | PNG_TRANSFORM_SWAP_ENDIAN, NULL);
Uart_Printf("png decoded\n");
p_width = png_get_image_width_2(png_ptr, info_ptr);
p_height = png_get_image_height_2(png_ptr, info_ptr);
p_bdepth = png_get_bit_depth_2(png_ptr, info_ptr);
p_ctype = png_get_color_type_2(png_ptr, info_ptr);
Uart_Printf("allocating background\n");
//background = m_alloc(320 * 240 * sizeof(uint16));
png_read_image_2(png_ptr, row_pointers);
pic_heap = m_create_heap((320 * 240 * sizeof(uint16)) + 1024);
background = m_heap_alloc(pic_heap, 320 * 240 * sizeof(uint16));
(p_height > 320)?(p_height = 320):(p_height = p_height);
(p_width > 240)?(p_width = 240):(p_width = p_width);
Uart_Printf("rendering image\n");
for(j=0;j<p_height;j++) {
for(i=0;i<p_width;i++) {
r = *(uchar *)((uint32)row_pointers[j] + (3 * i));
g = *(uchar *)((uint32)row_pointers[j] + ((3 * i) + 1));
b = *(uchar *)((uint32)row_pointers[j] + ((3 * i) + 2));
r >>= 3;
g >>= 2;
b >>= 3;
/*r = *(uchar *)((uint32)row_pointers[j] + i);
b = r << 2;
g = b << 2;*/
background[(j * 240) + i] = (uint16)((r<<11)|(g<<5)|b);
}
}
//Uart_Printf("read image\n");
//png_read_image_2(png_ptr, row_pointers);
Uart_Printf("png decoding success\n");
//m_alloc(2500);
parent = CreateFrame("Viewer", background);
/*Uart_Printf("cleaning up\n");
for(i=0;i<320;i++) {
//row_pointers[i] = usr_alloc(png_ptr, png_ptr->width * 4);
usr_release(png_ptr, row_pointers[i]);
}
png_destroy_struct_3(png_ptr, usr_release, (void *)png_heap);*/
return parent;
}