void rx_ethernet_isr1 (void *context)
{
int i;
// Wait until receive descriptor transfer is complete
while (alt_avalon_sgdma_check_descriptor_status(&rx_descriptor1) != 0)
;
// Clear input line before writing
for (i = 0; i < (6 + text_length); i++) {
alt_printf( "%c", 0x08 ); // 0x1024008 --> backspace
}
// Output received text
// alt_printf( "receive> %s\n", rx_frame + 16 );
i=0;
while(rx_frame1[i] != NULL)
{
alt_printf( "%c", rx_frame1[i] );
i++;// 0x1024008 --> backspace
}
// Reprint current input line after the output
//alt_printf( "send> %s", tx_frame + 16 );
// Create new receive sgdma descriptor
alt_avalon_sgdma_construct_stream_to_mem_desc( &rx_descriptor1, &rx_descriptor_end1, (alt_u32 *)rx_frame1, 0, 0 );
// Set up non-blocking transfer of sgdma receive descriptor
alt_avalon_sgdma_do_async_transfer( sgdma_rx_dev1, &rx_descriptor1 );
}
// Creates a thread and adds it to the ready queue
void mythread_create(TCB *tcb, void *(*start_routine)(void*), int thread_id)
{
alt_printf("Creating...\n");
// Creates a Thread Control Block for a thread
tcb->thread_id = thread_id;
tcb->blocking_id = -1;
tcb->scheduling_status = READY;
tcb->context = malloc(4000);
tcb->fp = tcb->context + 4000/4;
tcb->sp = tcb->context + 128/4;
int one = 1;
void *(*ra)(void *) = &mythread_cleanup;
memcpy(tcb->sp + 0, &ra, 4);//ra
memcpy(tcb->sp + 20/4, &thread_id, 4);//r4?
memcpy(tcb->sp + 72/4, &start_routine, 4);//ea
memcpy(tcb->sp + 68/4, &one, 4);//estatus
memcpy(tcb->sp + 84/4, &tcb->fp, 4);//fp
// Add to ready queue
Node *node = (Node *) malloc(sizeof(Node));
node->thread = *tcb;
add_node(node, READY);
alt_printf("Finished creation (%x): sp: (%x)\n", thread_id, tcb->context);
}
// Joins the thread with the calling thread
void mythread_join(int thread_id)
{
// Wait for timer the first time
int i;
while (running_thread[1] == NULL)
for (i = 0 ; i < MAX; i++);
int joined = FALSE;
Node *temp = -1;
temp = lookup_node(thread_id, READY);
TCB *tcb;
int calling_id = running_thread[1]->thread.thread_id;
alt_printf("Joining if not finished.\n");
temp = lookup_node(thread_id, READY);
if (temp != 0xffffffff)
tcb = &temp->thread;
if (temp != 0xffffffff && tcb->scheduling_status != DONE){
// Join the thread
tcb->blocking_id = calling_id;
running_thread[1]->thread.scheduling_status = WAITING;
joined = TRUE;
}
if (joined == TRUE)
alt_printf("Joined (%x)\n", thread_id);
// Wait for timer
while (running_thread[1]->thread.scheduling_status == WAITING)
for (i = 0 ; i < MAX; i++);
}
int main()
{
int main(void)
{
alt_up_audio_dev * audio_dev;
/* used for audio record/playback */
unsigned int l_buf;
unsigned int r_buf;
// open the Audio port
audio_dev = alt_up_audio_open_dev ("/dev/Audio");
if ( audio_dev == NULL)
alt_printf ("Error: could not open audio device \n");
else
alt_printf ("Opened audio device \n");
/* read and echo audio data */
while(1)
{
int fifospace = alt_up_audio_read_fifo_avail (audio_dev, ALT_UP_AUDIO_RIGHT);
if ( fifospace > 0 ) // check if data is available
{
// read audio buffer
alt_up_audio_read_fifo (audio_dev, &(r_buf), 1, ALT_UP_AUDIO_RIGHT);
alt_up_audio_read_fifo (audio_dev, &(l_buf), 1, ALT_UP_AUDIO_LEFT);
// write audio buffer
alt_up_audio_write_fifo (audio_dev, &(r_buf), 1, ALT_UP_AUDIO_RIGHT);
alt_up_audio_write_fifo (audio_dev, &(l_buf), 1, ALT_UP_AUDIO_LEFT);
}
}
}
/* Display Read/Write status to the LCD that is changed based on a
signal from the Switch task */
void taskLCD(void* pdata) {
alt_up_character_lcd_dev * char_lcd_dev;
// open the Character LCD port
char_lcd_dev = alt_up_character_lcd_open_dev("/dev/character_lcd_0");
if (char_lcd_dev == NULL)
alt_printf("Error: could not open character LCD device\n");
else
alt_printf("Opened character LCD device\n");
while (1) {
if (OSQPend(SWQ, 0, &err) == SW_WRITE) {
/* Initialize the character display */
alt_up_character_lcd_init(char_lcd_dev);
/* Write "WRITE" in the second row */
char second_row[] = "WRITE\0";
alt_up_character_lcd_set_cursor_pos(char_lcd_dev, 0, 1);
alt_up_character_lcd_string(char_lcd_dev, second_row);
} else {
alt_up_character_lcd_init(char_lcd_dev);
/* Write "READ" in the first row */
alt_up_character_lcd_string(char_lcd_dev, "READ");
}
OSTimeDlyHMSM(0, 0, 0, 50);
}
}
void printBoard() {
int i, j;
alt_printf(" 0 1 2 3 4 5 6 7 8 9\n"); // prints the top row of number
for (i = 0; i < 10; i++) {
alt_printf("%x ", i);
for (j = 0; j < 10; j++) {
alt_printf("%c ", sramRead(j + i * 10));
}
alt_putstr("\n");
}
}
/* The main function creates two task and starts multi-tasking */
int main(void)
{
alt_printf("*********************************************\n");
alt_printf("* Running MicroC OS on the DE0-nano Board *\n");
alt_printf("*********************************************\n");
OSTaskCreateExt(task1, NULL, (void *)&task1_stk[TASK_STACKSIZE-1], TASK1_PRIORITY, TASK1_PRIORITY, task1_stk, TASK_STACKSIZE, NULL, 0);
OSTaskCreateExt(task2, NULL, (void *)&task2_stk[TASK_STACKSIZE-1], TASK2_PRIORITY, TASK2_PRIORITY, task2_stk, TASK_STACKSIZE, NULL, 0);
OSStart();
return 0;
}
int main(void)
{
alt_up_character_lcd_dev * char_lcd_dev;
// open the Character LCD port
char_lcd_dev = alt_up_character_lcd_open_dev ("/dev/character_lcd_0");
if ( char_lcd_dev == NULL)
alt_printf ("Error: could not open character LCD device\n");
else
alt_printf ("Opened character LCD device\n");
while(1) {
while (*key1 == 0) {
/* Initialize the character display */
alt_up_character_lcd_init (char_lcd_dev);
/* Write "Welcome to" in the first row */
alt_up_character_lcd_string(char_lcd_dev, "EECE 381");
/* Write "the DE2 board" in the second row */
char second_row[] = "L2C-17\0";
alt_up_character_lcd_set_cursor_pos(char_lcd_dev, 0, 1);
alt_up_character_lcd_string(char_lcd_dev, second_row);
while (*key1 == 0) {}
}
while (*key2 == 0) {
/* Initialize the character display */
alt_up_character_lcd_init (char_lcd_dev);
/* Write "Welcome to" in the first row */
alt_up_character_lcd_string(char_lcd_dev, "TO INFINITY");
/* Write "the DE2 board" in the second row */
char second_row[] = "AND BEYOND\0";
alt_up_character_lcd_set_cursor_pos(char_lcd_dev, 0, 1);
alt_up_character_lcd_string(char_lcd_dev, second_row);
while (*key2 == 0){}
}
while (*key3 == 0) {
/* Initialize the character display */
alt_up_character_lcd_init (char_lcd_dev);
/* Write "Welcome to" in the first row */
alt_up_character_lcd_string(char_lcd_dev, "FLY");
/* Write "the DE2 board" in the second row */
char second_row[] = "YOU FOOLS\0";
alt_up_character_lcd_set_cursor_pos(char_lcd_dev, 0, 1);
alt_up_character_lcd_string(char_lcd_dev, second_row);
while (*key3 == 0) {}
}
}
}
void aud_codec_update_field(alt_u16 val, alt_u8 idx, alt_u8 offset, alt_u8 msk) {
if(aud_codec_read_reg(idx)) {
alt_printf("[aud_codec_update_field] ERROR in reading codec register 0x%x\r\n",idx);
return;
}
aud_codec_i2c_bffr.val = AUD_CODEC_UPDATE_FIELD(val,offset,msk);
if(aud_codec_write_reg(idx,aud_codec_i2c_bffr.val)) {
alt_printf("[aud_codec_update_field] ERROR in writing to codec register 0x%x\r\n",idx);
return;
}
return;
}
// Sets the timer_interrupt_flag that is checked by Injection.S
alt_u32 mythread_handler(void *param_list)
{
// Here: the global flag is used to indicate a timer interrupt
timer_interrupt_flag = 1;
alt_printf("Interrupted by the timer!\n");
return ALARMTICKS(QUANTUM_LENGTH);
}
// Our operating system prototype
void prototype_os()
{
nextBufferIndex = 0;
full = mysem_create(0);
empty = mysem_create(BUFFER_SIZE);
mutex = mysem_create(1);
int i = 0;
running_thread[1] = NULL;
TCB *threads[NUM_THREADS];
for (i = 0; i < NUM_THREADS; i++)
{
// Here: call mythread_create so that the TCB for each thread is created
TCB *tcb = (TCB *) malloc(sizeof(TCB));
if (i % 2 == 0)
mythread_create(tcb, &consumer, i);
else
mythread_create(tcb, &producer, i);
threads[i] = tcb;
}
// Here: initialize the timer and its interrupt handler as is done in Project I
alt_alarm * myAlarm;
alt_alarm_start( &myAlarm, ALARMTICKS(QUANTUM_LENGTH), &mythread_handler, NULL);
for (i = 0; i < NUM_THREADS; i++)
{
// Here: call mythread_join to suspend prototype_os
mythread_join(i);
}
while (TRUE)
{
alt_printf ("This is the OS prototype for my exciting CSE351 course projects!\n");
int j = 0;
for (j = 0 ; j < MAX * 10; j++);
}
}
// Threads return here and space is freed
void mythread_cleanup()
{
// Unblock thread blocked by join
DISABLE_INTERRUPTS();
int id = running_thread[1]->thread.blocking_id;
if (id > 0) {
Node * temp = 0xffffffff;
temp = lookup_node(running_thread[1]->thread.blocking_id, WAITING); //Blocking ID was not the expected value Camtendo 11/4
if (temp != 0xffffffff) // not found
{
Node * blocked_node = (Node *) malloc(sizeof(Node));
blocked_node->thread = temp->thread;
blocked_node->thread.scheduling_status = READY;
remove_node(temp, WAITING);
add_node(blocked_node, READY);
}
}
ENABLE_INTERRUPTS();
alt_printf("COMPLETED.\n");
DISABLE_INTERRUPTS();
free(running_thread[1]->thread.context);
running_thread[1]->thread.scheduling_status = DONE;
ENABLE_INTERRUPTS();
while(TRUE);
}
/* UART task: read and write */
void taskRS232(void* pdata) {
alt_u32 write_FIFO_space;
alt_u16 read_FIFO_used;
alt_u8 data_W8;
alt_u8 data_R8;
int enter = 0;
unsigned p_error;
alt_up_rs232_dev* rs232_dev;
// open the RS232 UART port
rs232_dev = alt_up_rs232_open_dev("/dev/rs232_0");
if (rs232_dev == NULL)
alt_printf("Error: could not open RS232 UART\n");
else
alt_printf("Opened RS232 UART device\n");
alt_up_rs232_enable_read_interrupt(rs232_dev);
while (1) {
int sw = OSQPend(SWQ, 0, &err);
if (sw == SW_WRITE) {
alt_up_rs232_disable_read_interrupt(rs232_dev);
if (enter == 0) {
data_W8 = 'A';
enter = 1;
} else if (enter == 1) {
data_W8 = '\n';
enter = 0;
}
write_FIFO_space = alt_up_rs232_get_available_space_in_write_FIFO(
rs232_dev);
if (write_FIFO_space >= WRITE_FIFO_EMPTY) {
alt_up_rs232_write_data(rs232_dev, data_W8);
alt_printf("write %c to RS232 UART\n", data_W8);
}
OSTimeDlyHMSM(0, 0, 1, 0);
alt_up_rs232_enable_read_interrupt(rs232_dev);
}
if (sw == SW_READ) {
read_FIFO_used = alt_up_rs232_get_used_space_in_read_FIFO(
rs232_dev);
if (read_FIFO_used > READ_FIFO_EMPTY) {
alt_printf("char stored in read_FIFO: %x\n", read_FIFO_used);
alt_up_rs232_read_data(rs232_dev, &data_R8, &p_error);
alt_printf("read %x from RS232 UART\n", data_R8);
}
OSTimeDlyHMSM(0, 0, 0, 5);
}
}
}
// this routine is called by the main() loop
void print_binary_count_stdio(alt_u16 binary_count)
{
// print if we aren't masked off
if(!PRINT_STDIO_MASK)
{
// print the binary count
alt_printf("0x%x ", binary_count);
// print a new line character after every 16 prints
PRINT_STDIO_WRAP_COUNT++;
if(PRINT_STDIO_WRAP_COUNT >= 16)
{
alt_printf("\n");
PRINT_STDIO_WRAP_COUNT = 0;
}
}
}
alt_u32 mythread_handler(void * context) {
//The global flag is used to indicate a timer interrupt
setFlag();
//printf("Global flag after setFlag = %d\n", global_flag);
//printf("Global flag in mythreadHandler = %d\n", checkFlag());
alt_printf("Interrupted by the mythread handler!\n");
return ALARMTICKS(x);
}
/* Prints "Hello World" and then sleeps */
void task2(void* pdata)
{
while (1)
{
alt_printf("Hallo, ich bin Task Zwei!\n");
set_led((INT8U)(1<<(rand()%8)));
OSTimeDlyHMSM(0, 0, (INT8U)3, 0);
}
}
int main(void)
{
alt_up_character_lcd_dev * char_lcd_dev;
// open the Character LCD port
char_lcd_dev = alt_up_character_lcd_open_dev ("/dev/character_lcd_0");
if ( char_lcd_dev == NULL)
alt_printf ("Error: could not open character LCD device\n");
else
alt_printf ("Opened character LCD device\n");
/* Initialize the character display */
alt_up_character_lcd_init (char_lcd_dev);
/* Write "Welcome to" in the first row */
alt_up_character_lcd_string(char_lcd_dev, "Welcome to");
/* Write "the DE2 board" in the second row */
char second_row[] = "the DE2 board\0";
alt_up_character_lcd_set_cursor_pos(char_lcd_dev, 0, 1);
alt_up_character_lcd_string(char_lcd_dev, second_row);
}
void *mythread_scheduler(void *context) {
//Preserve context and restore that of the next to be execeuted
//Perform thread scheduling
alt_printf("Am I getting here!\n");
tempThread ->context_pointer = context;
enqueue(tempThread);
tempThread = dequeue();
return tempThread ->context_pointer;
}
void print_array(volatile long* array, int size)
{
int i = 0;
for (i = 0; i < size; ++i) {
alt_printf("0x%x ", array[i]);
}
alt_putstr("\n");
}
/**
* Gets the device descriptor of a USB device.
* @param device USB device
* @param descriptor pointer to a usb_deviceDescriptor record that will be filled with the requested data.
* @return 0 in case of success, error code otherwise
*/
int8_t USB::getDeviceDescriptor(usb_device * device, usb_deviceDescriptor * descriptor)
{
int8_t ret;
ret = USB::controlRequest(
device, bmREQ_GET_DESCR, USB_REQUEST_GET_DESCRIPTOR,
0x00, USB_DESCRIPTOR_DEVICE, 0x0000,
sizeof(usb_deviceDescriptor), (uint8_t *)descriptor );
alt_printf( "Device\n %x %x %x %x\n",
descriptor->bLength, descriptor->bDescriptorType,
descriptor->bcdUSB, descriptor->bDeviceClass );
alt_printf( " %x %x %x\n",
descriptor->bDeviceSubClass, descriptor->bDeviceProtocol,
descriptor->bMaxPacketSize0 );
alt_printf( " %x %x\n", descriptor->idVendor, descriptor->idProduct );
alt_printf( " %x %x %x %x %x\n",
descriptor->bcdDevice, descriptor->iManufacturer,
descriptor->iProduct, descriptor->iSerialNumber, descriptor->bNumConfigurations );
return ret;
}
// convenience routines for updating the pwm controlled led
void update_led_pwm()
{
char input;
char ch;
int intensity;
int i;
//clear out the other LEDs
update_led(0);
alt_printf("On a scale of 0 to 9, enter the desired LED intensity\n");
input = alt_getchar();
alt_getchar();
if (input == '0')
intensity = 0;
else if (input == '1')
intensity = 4;
else if (input == '2')
intensity = 8;
else if (input == '3')
intensity = 16;
else if (input == '4')
intensity = 32;
else if (input == '5')
intensity = 64;
else if (input == '6')
intensity = 128;
else if (input == '7')
intensity = 256;
else if (input == '8')
intensity = 512;
else if (input == '9')
intensity = 1023;
else {
intensity = 0;
alt_printf("INVALID ENTRY");
}
alt_printf("Setting PWM value to 0x%x (Max value is 0x3ff)\n",intensity);
// while ((ch = alt_getchar()) != '\n' && ch != EOF); // do this to flush the input buffer since fflush(stdin) is not recommended
IOWR_SIMPLE_PWM(LED_PWM_BASE, intensity);
}
int main() {
int input = 'A';
int i;
while (input != 'E') {
alt_putstr("\n");
alt_putstr("\nTo READ type 'R' and press enter.\n");
alt_putstr("\nTo WRITE type 'W' and press enter.\n");
alt_putstr("\nTo exit the program, enter 'E'\n");
input = alt_getchar();
if (input == 'R') {
*enable = 0x0;
*readWrite = 0x1; // read
for (i = 0; i < 128; i++) {
IOWR_ALTERA_AVALON_PIO_DIRECTION(*data, 0xFF);
(*address) = i;
*leds = *data;
alt_printf("%x \n", *data);
usleep(1000);
}
input = 'A';
alt_printf("Read complete\n");
} else if (input == 'W') {
*enable = 0x0;
*readWrite = 0x0; // write
IOWR_ALTERA_AVALON_PIO_DIRECTION(*data, 0x00000000);
for (i = 0; i < 128; i++) {
*address = i;
*data = 0x00000000;
*data = 127 - i;
alt_printf("%x\n", *data);
}
input = 'A';
}
}
return 0;
}
void putstr_uart0(char* str)
{
alt_printf("%s", str);
char *ptr = str;
while (*ptr != '\0')
{
while ((uart[2] & (1<<6)) == 0);
uart[1] = *ptr;
// PutUart1(*ptr);
ptr++;
}
}
void cortex_init(alt_32 base, FS_T fs, BPS_T bps){
acortex_init(base,fs,bps);
//Fgyrus
configure_post_norm(CORTEX_MM_SL_BASE, LCHNL, NORM_64k);
configure_post_norm(CORTEX_MM_SL_BASE, RCHNL, NORM_64k);
enable_vcortex(base);
alt_printf("Cortex Init done\r\n");
return;
}
static __inline HI_U16 vblanking_calculate(
cmos_inttime_ptr_t p_inttime)
{
p_inttime->exposure_along = p_inttime->exposure_ashort;
if(p_inttime->exposure_along < p_inttime->full_lines_std - 2)
{
p_inttime->full_lines_del = p_inttime->full_lines_std;
}
if(p_inttime->exposure_along >= p_inttime->full_lines_std - 2)
{
p_inttime->full_lines_del = p_inttime->exposure_along + 2;
}
#if defined(TRACE_ALL)
alt_printf("full_lines_del = %x\n", p_inttime->full_lines_del);
#endif
p_inttime->vblanking_lines = p_inttime->full_lines_del - p_inttime->full_lines_std_30fps;
#if defined(TRACE_ALL)
alt_printf("vblanking_lines = %x\n", p_inttime->vblanking_lines);
#endif
return p_inttime->exposure_ashort;
}
/****************************************************************************************
* Subroutine to read incoming Ethernet frames
****************************************************************************************/
void rx_ethernet_isr (void *context)
{
//Include your code to show the values of the source and destination addresses of the received frame. For example:
//if(in==1){
alt_printf( "Source address: %x,%x, %x, %x, %x, %x \n", rx_frame[8], rx_frame[9],rx_frame[10], rx_frame[11], rx_frame[12], rx_frame[13]);
alt_printf( "destination address: %x,%x, %x, %x, %x, %x \n", rx_frame[2], rx_frame[3],rx_frame[4], rx_frame[5], rx_frame[6], rx_frame[7]);
alt_printf("message length: %x,%x",rx_frame[17],rx_frame[18]);
//}
// Wait until receive descriptor transfer is complete
while (alt_avalon_sgdma_check_descriptor_status(&rx_descriptor) != 0)
;
// Create new receive sgdma descriptor
alt_avalon_sgdma_construct_stream_to_mem_desc( &rx_descriptor, &rx_descriptor_end, (alt_u32 *)rx_frame, 0, 0 );
// Set up non-blocking transfer of sgdma receive descriptor
alt_avalon_sgdma_do_async_transfer( sgdma_rx_dev, &rx_descriptor );
}
void pcm_cap(FS_T fs, BPS_T bps) {
alt_u32 lbffr[PCM_BFFR_NUM_SAMPLES];
alt_u32 rbffr[PCM_BFFR_NUM_SAMPLES];
alt_u32 i;
disable_adc_drvr();
disable_audio_path();
update_acache_mode(PCM_BFFR_MODE_CAPTURE);
enable_audio_path(fs,bps);
enable_adc_drvr();
do {
chThdSleepMilliseconds(1);
}while(((IORD_PCM_BFFR_STATUS>>PCM_BFFR_CAP_DONE_OFFSET) & PCM_BFFR_CAP_DONE_MSK) == 0);
dump_acache_cap_data(lbffr, rbffr);
for(i=0;i<PCM_BFFR_NUM_SAMPLES;i++) {
printf("[pcm_cap] LBFFR[0x%x] - 0x%x\r\n",i,lbffr[i]);
}
alt_printf("\r\n");
for(i=0;i<PCM_BFFR_NUM_SAMPLES;i++) {
printf("[pcm_cap] RBFFR[0x%x] - 0x%x\r\n",i,rbffr[i]);
}
alt_printf("\r\n");
disable_adc_drvr();
disable_audio_path();
}
void verify_arrays(void)
{
int i = 0;
for (i = 0; i < ARRAY_SIZE; ++i) {
if (array_for_c[i] != array_for_custom_instr[i]
|| array_for_custom_instr[i] != ((long*)cache_bypass(array_for_accelerator))[i]) {
alt_printf("Verification failed for index 0x%x: 0x%x, 0x%x, 0x%x",
i, array_for_c[i], array_for_custom_instr[i],
array_for_accelerator[i]);
while (1)
;
}
}
alt_putstr("Verifying OK\n");
}
// This is the scheduler. It works with Injection.S to switch between threads
unsigned long long mythread_scheduler(unsigned long long param_list) // context pointer
{
int * param_ptr = ¶m_list;
// If running thread is null, then store the context and add to the run queue
if (running_thread[1] == NULL)
{
// Store a new context (os_prototype, most likely)
TCB *tcb = (TCB *) malloc(sizeof(TCB));
tcb->thread_id = NUM_THREADS + 1; // TODO:set to something legitimate
tcb->sp = *param_ptr; // context pointer <---not sure this is correct?
tcb->fp = *(param_ptr+1);
Node *node = (Node *) malloc(sizeof(Node));
node->thread = *tcb;
running_thread[1] = node;
running_thread[1]->thread.scheduling_status = RUNNING;
}
running_thread[1]->thread.sp = *param_ptr; // update context pointer
running_thread[1]->thread.fp = *(param_ptr+1);
// Here: perform thread scheduling
Node *next = pop(READY);
if (next != NULL && next->thread.scheduling_status == READY)
{
// The context of the second thread (1) is crap. Something is probably wrong with creation or join. Else there's a problem in assembly with storing the fp
if (running_thread[1]->thread.scheduling_status == RUNNING) {
running_thread[1]->thread.scheduling_status = READY;
}
add_node(running_thread[1], running_thread[1]->thread.scheduling_status);
running_thread[1] = (Node *) malloc(sizeof(Node));
running_thread[1]->thread = next->thread;
//running_thread[1]->thread->thread_id = next->thread->thread;
running_thread[1]->thread.scheduling_status = RUNNING;
}
else // No other threads available
{
alt_printf("Interrupted by the DE2 timer!\n");
running_thread[1]->thread.scheduling_status = RUNNING;
return 0;
}
// Prepare values to return
unsigned long long ret_list;
int * rets = &ret_list;
*(rets) = running_thread[1]->thread.sp;
*(rets + 1) = running_thread[1]->thread.fp;
return ret_list;
}
/** Prints the current colour palette in the palette shifter to the niosII
* console */
void printPalette(int n){
// Print everything in the palette ram, upto int colours.
int i;
unsigned int c;
unsigned int results[512] = {'\0'};
for (i = 0; i < n; i++){
c = IORD_16DIRECT(COLOUR_PALETTE_SHIFTER_0_BASE, 2*i); //offset multiplied by 2 to be on 16-bit boundaries.
//alt_printf("palette[ %x ]: %x ", 2*i, c);
results[i] = c;
}
for (i = 0; i < n; i++){
alt_printf("palette[ %x ]: %x ", 2*i, results[i]);
}
}