//--------------------------------------------------------------------------
// Reset all of the devices on the 1-Wire Net and return the result.
//
// 'portnum' - number 0 to MAX_PORTNUM-1. This number is provided to
// indicate the symbolic port number.
//
// Returns: TRUE(1): presence pulse(s) detected, device(s) reset
// FALSE(0): no presence pulses detected
//
SMALLINT owTouchReset(int portnum)
{
int reg;
int ovd = (sockit_owm.ovd >> portnum) & 0x1;
// lock transfer
ALT_SEM_PEND (sockit_owm.trn, 0);
// write RST
IOWR_SOCKIT_OWM (sockit_owm.base, (sockit_owm.pwr << SOCKIT_OWM_POWER_OFST)
| (portnum << SOCKIT_OWM_SEL_OFST)
| (sockit_owm.ena << SOCKIT_OWM_ETX_OFST)
| (ovd << SOCKIT_OWM_OVD_OFST)
| SOCKIT_OWM_RST_MSK);
// wait for irq to set the transfer end flag
ALT_FLAG_PEND (sockit_owm.irq, 0x1, OS_FLAG_WAIT_SET_ANY + OS_FLAG_CONSUME, 0);
// wait for STX (end of transfer cycle) and read the presence status
while ((reg = IORD_SOCKIT_OWM (sockit_owm.base)) & SOCKIT_OWM_TRN_MSK);
// release transfer lock
ALT_SEM_POST (sockit_owm.trn);
// return DRX (presence detect)
return (~reg >> SOCKIT_OWM_DAT_OFST) & 0x1;
}
//--------------------------------------------------------------------------
// Description:
// Delay for at least 'len' ms
//
void msDelay(int len)
{
#if SOCKIT_OWM_HW_DLY
int i;
// lock transfer
ALT_SEM_PEND (sockit_owm.trn, 0);
for (i=0; i<len; i++) {
// create a 960us pause
IOWR_SOCKIT_OWM (sockit_owm.base, ( sockit_owm.pwr << SOCKIT_OWM_POWER_OFST)
| ( sockit_owm.ena << SOCKIT_OWM_ETX_OFST)
| ((sockit_owm.pwr & 0x1) << SOCKIT_OWM_PWR_OFST)
| SOCKIT_OWM_DLY_MSK);
// wait for irq to set the transfer end flag
ALT_FLAG_PEND (sockit_owm.irq, 0x1, OS_FLAG_WAIT_SET_ANY + OS_FLAG_CONSUME, 0);
// wait for STX (end of transfer cycle)
while (IORD_SOCKIT_OWM (sockit_owm.base) & SOCKIT_OWM_TRN_MSK);
// release transfer lock
ALT_SEM_POST (sockit_owm.trn);
}
#else
#ifdef UCOS_II
// uCOS-II timed delay
OSTimeDlyHMSM(0,0,0,len);
#else
// Altera HAL us delay
usleep (1000*len);
#endif
#endif
}
void task1(void* pdata)
{
ALT_SEM_PEND(display,0);
OSTimeDly(1);
volatile short * pixel_ctrl_ptr = (volatile short *) pdata;
int i=0;
//d-pad
drawrectangle( pixel_ctrl_ptr , 80, 100, 10, 15, 0xFFFF);
drawrectangle( pixel_ctrl_ptr , 80, 130, 10, 15, 0xFFFF);
drawrectangle( pixel_ctrl_ptr , 62, 117, 15, 10, 0xFFFF);
drawrectangle( pixel_ctrl_ptr , 93, 117, 15, 10, 0xFFFF);
//select start
drawrectangle( pixel_ctrl_ptr , 130, 117,15, 10, 0xFFFF);
drawrectangle( pixel_ctrl_ptr , 160, 117, 15, 10, 0xFFFF);
//buttons
drawcircle( pixel_ctrl_ptr ,205,121,7,0xFFFF);
drawcircle( pixel_ctrl_ptr ,235,121,7,0xFFFF);
drawcircle( pixel_ctrl_ptr ,220,106,7,0xFFFF);
drawcircle( pixel_ctrl_ptr ,220,136,7,0xFFFF);
//upper keys
drawrectangle( pixel_ctrl_ptr , 75, 80, 20, 10, 0xFFFF);
drawrectangle( pixel_ctrl_ptr , 75, 65, 20, 10, 0xFFFF);
drawrectangle( pixel_ctrl_ptr , 210, 80, 20,10, 0xFFFF);
drawrectangle( pixel_ctrl_ptr , 210, 65, 20, 10, 0xFFFF);
//analog sticks
drawcircle( pixel_ctrl_ptr ,110,155,15,0xFFFF);
drawcircle( pixel_ctrl_ptr ,195,155,15,0xFFFF);
drawcircle( pixel_ctrl_ptr ,110,155,9,0xFFFF);
drawcircle( pixel_ctrl_ptr ,195,155,9,0xFFFF);
while(1)
{
if(i>=10)
{
drawline(pixel_ctrl_ptr,0+i-10,50,0+i-10,60,0x0000);
drawline(pixel_ctrl_ptr,0+i-11,50,0+i-11,60,0x0000);
}
if(i<=320)
{
drawline(pixel_ctrl_ptr,0+i,50,0+i,60,0x0FFF);
drawline(pixel_ctrl_ptr,0+i+1,50,0+i+1,60,0x0FFF);
}
if(i==330)
{
i = 0;
}
i++;
wait_for_vsync(buffer_register,dma_control);
OSTimeDly(1);
ALT_SEM_POST(display);
}
}
/*
* altera_avalon_mutex_lock - Lock the hardware mutex
*
*/
void altera_avalon_mutex_lock( alt_mutex_dev* dev, alt_u32 value )
{
/*
* When running in a multi threaded environment, obtain the "lock"
* semaphore. This ensures that reading from the device is thread-safe.
*/
ALT_SEM_PEND (dev->lock, 0);
while ( alt_mutex_trylock( dev, value ) != 0);
}
int alt_get_fd (alt_dev* dev)
{
alt_32 i;
int rc = -EMFILE;
/*
* Take the alt_fd_list_lock semaphore in order to avoid races when
* accessing the file descriptor pool.
*/
ALT_SEM_PEND(alt_fd_list_lock, 0);
/*
* Search through the list of file descriptors, and allocate the first
* free descriptor that's found.
*
* If a free descriptor is found, then the value of "alt_max_fd" is
* updated accordingly. "alt_max_fd" is a 'highwater mark' which
* indicates the highest file descriptor ever allocated. This is used to
* improve efficency when searching the file descriptor list, and
* therefore reduce contention on the alt_fd_list_lock semaphore.
*/
for (i = 0; i < ALT_MAX_FD; i++)
{
if (!alt_fd_list[i].dev)
{
alt_fd_list[i].dev = dev;
if (i > alt_max_fd)
{
alt_max_fd = i;
}
rc = i;
goto alt_get_fd_exit;
}
}
alt_get_fd_exit:
/*
* Release the alt_fd_list_lock semaphore now that we are done with the
* file descriptor pool.
*/
ALT_SEM_POST(alt_fd_list_lock);
return rc;
}
/*
* altera_avalon_mutex_trylock - Try to lock the hardware mutex
*
* returns 0 on success -1 otherwise
*
*/
int altera_avalon_mutex_trylock( alt_mutex_dev* dev, alt_u32 value )
{
int ret_code;
ALT_SEM_PEND (dev->lock, 0);
ret_code = alt_mutex_trylock( dev, value);
/*
* If the try failed then release the thread Mutex
*/
if (ret_code)
{
ALT_SEM_POST (dev->lock);
}
return ret_code;
}
int alt_fd_lock (alt_fd* fd)
{
int i;
int rc = 0;
ALT_SEM_PEND(alt_fd_list_lock, 0);
for (i = 0; i < alt_max_fd; i++)
{
if ((&alt_fd_list[i] != fd) && (alt_fd_list[i].dev == fd->dev))
{
rc = -EACCES;
goto alt_fd_lock_exit;
}
}
fd->fd_flags |= ALT_FD_EXCL;
alt_fd_lock_exit:
ALT_SEM_POST(alt_fd_list_lock);
return rc;
}
//-------------------------------------------------------------------------------
int alt_avn_jtag_uart_read(alt_avn_jtag_uart_state* sp,
char * buffer, int space, int flags)
{
char * ptr = buffer;
alt_irq_context context;
unsigned int n;
/*
* When running in a multi threaded environment, obtain the "read_lock"
* semaphore. This ensures that reading from the device is thread-safe.
*/
ALT_SEM_PEND (sp->read_lock, 0);
while (space > 0)
{
unsigned int in, out;
/* Read as much data as possible */
do
{
in = sp->rx_in;
out = sp->rx_out;
if (in >= out)
n = in - out;
else
n = ALTERA_AVALON_JTAG_UART_BUF_LEN - out;
if (n == 0)
break; /* No more data available */
if (n > space)
n = space;
memcpy(ptr, sp->rx_buf + out, n);
ptr += n;
space -= n;
sp->rx_out = (out + n) % ALTERA_AVALON_JTAG_UART_BUF_LEN;
}
while (space > 0);
/* If we read any data then return it */
if (ptr != buffer)
break;
/* If in non-blocking mode then return error */
if (flags & O_NONBLOCK)
break;
/* OS Present: Pend on a flag if the OS is running, otherwise spin */
if(OSRunning == OS_TRUE) {
/*
* When running in a multi-threaded mode, we pend on the read event
* flag set and timeout event flag set in the isr. This avoids wasting CPU
* cycles waiting in this thread, when we could be doing something more
* profitable elsewhere.
*/
ALT_FLAG_PEND (sp->events,
ALT_JTAG_UART_READ_RDY | ALT_JTAG_UART_TIMEOUT,
OS_FLAG_WAIT_SET_ANY + OS_FLAG_CONSUME,
0);
}
else {
/* Spin until more data arrives or until host disconnects */
while (in == sp->rx_in && sp->host_inactive < sp->timeout)
;
}
if (in == sp->rx_in)
break;
}
/*
* Now that access to the circular buffer is complete, release the read
* semaphore so that other threads can access the buffer.
*/
ALT_SEM_POST (sp->read_lock);
if (ptr != buffer)
{
/* If we read any data then there is space in the buffer so enable interrupts */
context = alt_irq_disable_all();
sp->irq_enable |= ALTERA_AVALON_JTAG_UART_CONTROL_RE_MSK;
IOWR_ALTERA_AVALON_JTAG_UART_CONTROL(sp->base, sp->irq_enable);
alt_irq_enable_all(context);
}
if (ptr != buffer)
return ptr - buffer;
else if (flags & O_NONBLOCK)
return -EWOULDBLOCK;
else
return -EIO;
}
int alt_avn_jtag_uart_write(alt_avn_jtag_uart_state* sp,
const char * ptr, int count, int flags)
{
/* Remove warning at optimisation level 03 by seting out to 0 */
unsigned int in, out=0;
unsigned int n;
alt_irq_context context;
const char * start = ptr;
/*
* When running in a multi threaded environment, obtain the "write_lock"
* semaphore. This ensures that writing to the device is thread-safe.
*/
ALT_SEM_PEND (sp->write_lock, 0);
do
{
/* Copy as much as we can into the transmit buffer */
while (count > 0)
{
/* We need a stable value of the out pointer to calculate the space available */
in = sp->tx_in;
out = sp->tx_out;
if (in < out)
n = out - 1 - in;
else if (out > 0)
n = ALTERA_AVALON_JTAG_UART_BUF_LEN - in;
else
n = ALTERA_AVALON_JTAG_UART_BUF_LEN - 1 - in;
if (n == 0)
break;
if (n > count)
n = count;
memcpy(sp->tx_buf + in, ptr, n);
ptr += n;
count -= n;
sp->tx_in = (in + n) % ALTERA_AVALON_JTAG_UART_BUF_LEN;
}
/*
* If interrupts are disabled then we could transmit here, we only need
* to enable interrupts if there is no space left in the FIFO
*
* For now kick the interrupt routine every time to make it transmit
* the data
*/
context = alt_irq_disable_all();
sp->irq_enable |= ALTERA_AVALON_JTAG_UART_CONTROL_WE_MSK;
IOWR_ALTERA_AVALON_JTAG_UART_CONTROL(sp->base, sp->irq_enable);
alt_irq_enable_all(context);
/*
* If there is any data left then either return now or block until
* some has been sent
*/
/* consider: test whether there is anything there while doing this and delay for at most 2s. */
if (count > 0)
{
if (flags & O_NONBLOCK)
break;
/* OS Present: Pend on a flag if the OS is running, otherwise spin */
if(OSRunning == OS_TRUE) {
/*
* When running in a multi-threaded mode, we pend on the write event
* flag set or the timeout flag in the isr. This avoids wasting CPU
* cycles waiting in this thread, when we could be doing something
* more profitable elsewhere.
*/
ALT_FLAG_PEND (sp->events,
ALT_JTAG_UART_WRITE_RDY | ALT_JTAG_UART_TIMEOUT,
OS_FLAG_WAIT_SET_ANY + OS_FLAG_CONSUME,
0);
}
else {
/*
* OS not running: Wait for data to be removed from buffer.
* Once the interrupt routine has removed some data then we
* will be able to insert some more.
*/
while (out == sp->tx_out && sp->host_inactive < sp->timeout)
;
}
if (out == sp->tx_out)
break;
}
}
while (count > 0);
/*
* Now that access to the circular buffer is complete, release the write
* semaphore so that other threads can access the buffer.
*/
ALT_SEM_POST (sp->write_lock);
if (ptr != start)
return ptr - start;
else if (flags & O_NONBLOCK)
return -EWOULDBLOCK;
else
return -EIO; /* Host not connected */
}
int alt_lcd_16207_write(alt_fd* fd, const char* ptr, int len)
{
alt_LCD_16207_dev * dev = (alt_LCD_16207_dev*) fd->dev;
const char * end = ptr + len;
int y;
int widthmax;
/* When running in a multi threaded environment, obtain the "write_lock"
* semaphore. This ensures that writing to the device is thread-safe.
*/
ALT_SEM_PEND (dev->write_lock, 0);
/* Tell the routine which is called off the timer interrupt that the
* foreground routines are active so it must not repaint the display. */
dev->active = 1;
for ( ; ptr < end ; ptr++)
{
char c = *ptr;
if (dev->esccount >= 0)
{
unsigned int esccount = dev->esccount;
/* Single character escape sequences can end with any character
* Multi character escape sequences start with '[' and contain
* digits and semicolons before terminating
*/
if ((esccount == 0 && c != '[') ||
(esccount > 0 && !isdigit(c) && c != ';'))
{
dev->escape[esccount] = 0;
lcd_handle_escape(dev, c);
dev->esccount = -1;
}
else if (dev->esccount < sizeof(dev->escape)-1)
{
dev->escape[esccount] = c;
dev->esccount++;
}
}
else if (c == 27) /* ESC */
{
dev->esccount = 0;
}
else if (c == '\r')
{
dev->x = 0;
}
else if (c == '\n')
{
dev->x = 0;
dev->y++;
/* Let the cursor sit at X=0, Y=HEIGHT without scrolling so the user
* can print two lines of data without losing one.
*/
if (dev->y > ALT_LCD_HEIGHT)
lcd_scroll_up(dev);
}
else if (c == '\b')
{
if (dev->x > 0)
dev->x--;
}
else if (isprint(c))
{
/* If we didn't scroll on the last linefeed then we might need to do
* it now. */
if (dev->y >= ALT_LCD_HEIGHT)
lcd_scroll_up(dev);
if (dev->x < ALT_LCD_VIRTUAL_WIDTH)
dev->line[dev->y].data[dev->x] = c;
dev->x++;
}
}
/* Recalculate the scrolling parameters */
widthmax = ALT_LCD_WIDTH;
for (y = 0 ; y < ALT_LCD_HEIGHT ; y++)
{
int width;
for (width = ALT_LCD_VIRTUAL_WIDTH ; width > 0 ; width--)
if (dev->line[y].data[width-1] != ' ')
break;
/* The minimum width is the size of the LCD panel. If the real width
* is long enough to require scrolling then add an extra space so the
* end of the message doesn't run into the beginning of it.
*/
if (width <= ALT_LCD_WIDTH)
width = ALT_LCD_WIDTH;
else
width++;
dev->line[y].width = width;
if (widthmax < width)
widthmax = width;
dev->line[y].speed = 0; /* By default lines don't scroll */
}
if (widthmax <= ALT_LCD_WIDTH)
dev->scrollmax = 0;
else
{
widthmax *= 2;
dev->scrollmax = widthmax;
/* Now calculate how fast each of the other lines should go */
for (y = 0 ; y < ALT_LCD_HEIGHT ; y++)
if (dev->line[y].width > ALT_LCD_WIDTH)
{
/* You have three options for how to make the display scroll, chosen
* using the preprocessor directives below
*/
#if 1
/* This option makes all the lines scroll round at different speeds
* which are chosen so that all the scrolls finish at the same time.
*/
dev->line[y].speed = 256 * dev->line[y].width / widthmax;
#elif 1
/* This option pads the shorter lines with spaces so that they all
* scroll together.
*/
dev->line[y].width = widthmax / 2;
dev->line[y].speed = 256/2;
#else
/* This option makes the shorter lines stop after they have rotated
* and waits for the longer lines to catch up
*/
dev->line[y].speed = 256/2;
#endif
}
}
/* Repaint once, then check whether there has been a missed repaint
* (because active was set when the timer interrupt occurred). If there
* has been a missed repaint then paint again. And again. etc.
*/
for ( ; ; )
{
int old_scrollpos = dev->scrollpos;
lcd_repaint_screen(dev);
/* Let the timer routines repaint the display again */
dev->active = 0;
/* Have the timer routines tried to scroll while we were painting?
* If not then we can exit */
if (dev->scrollpos == old_scrollpos)
break;
/* We need to repaint again since the display scrolled while we were
* painting last time */
dev->active = 1;
}
/* Now that access to the display is complete, release the write
* semaphore so that other threads can access the buffer.
*/
ALT_SEM_POST (dev->write_lock);
return len;
}
int fifoed_avalon_uart_write (fifoed_avalon_uart_state* sp, const char* ptr, int len, int flags)
{
alt_irq_context context;
int no_block;
alt_u32 next;
int count = len;
/*
* Construct a flag to indicate whether the device is being accessed in
* blocking or non-blocking mode.
*/
no_block = (flags & O_NONBLOCK);
/*
* When running in a multi threaded environment, obtain the "write_lock"
* semaphore. This ensures that writing to the device is thread-safe.
*/
ALT_SEM_PEND (sp->write_lock, 0);
/*
* Loop transferring data from the input buffer to the transmit circular
* buffer. The loop is terminated once all the data has been transferred,
* or, (if in non-blocking mode) the buffer becomes full.
*/
while (count)
{
/* Determine the next slot in the buffer to access */
next = (sp->tx_end + 1) & FIFOED_AVALON_UART_BUF_MSK;
/* block waiting for space if necessary */
if (next == sp->tx_start)
{
if (no_block)
{
/* Set errno to indicate why this function returned early */
ALT_ERRNO = EWOULDBLOCK;
break;
}
else
{
/* Block waiting for space in the circular buffer */
/* First, ensure transmit interrupts are enabled to avoid deadlock */
context = alt_irq_disable_all ();
sp->ctrl |= (FIFOED_AVALON_UART_CONTROL_TRDY_MSK |
FIFOED_AVALON_UART_CONTROL_DCTS_MSK);
IOWR_FIFOED_AVALON_UART_CONTROL(sp->base, sp->ctrl);
alt_irq_enable_all (context);
/* wait for space to come free */
do
{
/*
* When running in a multi-threaded mode, we pend on the write event
* flag set in the interrupt service routine. This avoids wasting CPU
* cycles waiting in this thread, when we could be doing something
* more profitable elsewhere.
*/
ALT_FLAG_PEND (sp->events,
ALT_UART_WRITE_RDY,
OS_FLAG_WAIT_SET_ANY + OS_FLAG_CONSUME,
0);
}
while ((next == sp->tx_start));
}
}
count--;
/* Add the next character to the transmit buffer */
sp->tx_buf[sp->tx_end] = *ptr++;
sp->tx_end = next;
}
/*
* Now that access to the circular buffer is complete, release the write
* semaphore so that other threads can access the buffer.
*/
ALT_SEM_POST (sp->write_lock);
/*
* Ensure that interrupts are enabled, so that the circular buffer can
* drain.
*/
context = alt_irq_disable_all ();
sp->ctrl |= FIFOED_AVALON_UART_CONTROL_TRDY_MSK |
FIFOED_AVALON_UART_CONTROL_DCTS_MSK;
IOWR_FIFOED_AVALON_UART_CONTROL(sp->base, sp->ctrl);
alt_irq_enable_all (context);
/* return the number of bytes written */
return (len - count);
}
int fifoed_avalon_uart_read (fifoed_avalon_uart_state* sp, char* ptr, int len, int flags)
{
alt_irq_context context;
int block;
alt_u32 next;
int count = 0;
/*
* Construct a flag to indicate whether the device is being accessed in
* blocking or non-blocking mode.
*/
block = !(flags & O_NONBLOCK);
/*
* When running in a multi threaded environment, obtain the "read_lock"
* semaphore. This ensures that reading from the device is thread-safe.
*/
ALT_SEM_PEND (sp->read_lock, 0);
/*
* Calculate which slot in the circular buffer is the next one to read
* data from.
*/
next = (sp->rx_start + 1) & FIFOED_AVALON_UART_BUF_MSK;
/*
* Loop, copying data from the circular buffer to the destination address
* supplied in "ptr". This loop is terminated when the required number of
* bytes have been read. If the circular buffer is empty, and no data has
* been read, then the loop will block (when in blocking mode).
*
* If the circular buffer is empty, and some data has already been
* transferred, or the device is being accessed in non-blocking mode, then
* the loop terminates without necessarily reading all the requested data.
*/
do
{
/*
* Read the required amount of data, until the circular buffer runs
* empty
*/
while ((count < len) && (sp->rx_start != sp->rx_end))
{
count++;
*ptr++ = sp->rx_buf[sp->rx_start];
sp->rx_start = (++sp->rx_start) & FIFOED_AVALON_UART_BUF_MSK;
}
/*
* If no data has been transferred, the circular buffer is empty, and
* this is not a non-blocking access, block waiting for data to arrive.
*/
if (!count && (sp->rx_start == sp->rx_end))
{
if (!block)
{
/* Set errno to indicate the reason we're not returning any data */
ALT_ERRNO = EWOULDBLOCK;
break;
}
else
{
/* Block waiting for some data to arrive */
/* First, ensure read interrupts are enabled to avoid deadlock */
context = alt_irq_disable_all ();
sp->ctrl |= FIFOED_AVALON_UART_CONTROL_RRDY_MSK;
IOWR_FIFOED_AVALON_UART_CONTROL(sp->base, sp->ctrl);
alt_irq_enable_all (context);
/*
* When running in a multi-threaded mode, we pend on the read event
* flag set in the interrupt service routine. This avoids wasting CPU
* cycles waiting in this thread, when we could be doing something more
* profitable elsewhere.
*/
ALT_FLAG_PEND (sp->events,
ALT_UART_READ_RDY,
OS_FLAG_WAIT_SET_ANY + OS_FLAG_CONSUME,
0);
}
}
}
while (!count && len);
/*
* Now that access to the circular buffer is complete, release the read
* semaphore so that other threads can access the buffer.
*/
ALT_SEM_POST (sp->read_lock);
/*
* Ensure that interrupts are enabled, so that the circular buffer can
* re-fill.
*/
context = alt_irq_disable_all ();
sp->ctrl |= FIFOED_AVALON_UART_CONTROL_RRDY_MSK;
IOWR_FIFOED_AVALON_UART_CONTROL(sp->base, sp->ctrl);
alt_irq_enable_all (context);
/* Return the number of bytes read */
return count;
}
void getcontrols(void *pdata)
{
int data, i;
char cmd[3];
for (i = 0; i < sizeof(cmd)/sizeof(cmd[0]); i++)
{
cmd[i] = 0;
}
i = 0;
/* read and echo characters */
while(1)
{
data = *(JTAG_UART_ptr); // read the JTAG_UART data register
if (data & 0x00008000) // check RVALID to see if there is new data
{
data = data & 0x000000FF; // the data is in the least significant byte
/* echo the character */
while ((char) data == '1' || (char) data == '2')
{
OSTimeDly(1);
cmd[0] = data;
data = *(JTAG_UART_ptr); // read the JTAG_UART data register
if (data & 0x00008000) // check RVALID to see if there is new data
{
data = data & 0x000000FF; // the data is in the least significant byte
while (1)
{
OSTimeDly(1);
cmd[1] = data;
data = *(JTAG_UART_ptr); // read the JTAG_UART data register
if (data & 0x00008000) // check RVALID to see if there is new data
{
data = data & 0x000000FF; // the data is in the least significant byte
while ((char) data == 'r' || (char) data == 'p')
{
OSTimeDly(1);
cmd[2] = data;
break;
}
}
break;
}
}
break;
}
if (cmd[0] != 0 && cmd[1] != 0 && cmd[2] != 0)
{
ALT_SEM_PEND(display,0);
// printf("\n");
// for (i = 0; i < sizeof(cmd)/sizeof(cmd[0]); i++)
// {
// printf("%c", cmd[i]);
// }
// printf("\n");
alt_u16 x;
alt_u8 y;
switch(cmd[1])
{
case 'd':
x = 81;
y= 66;
break;
case 'c':
x = 81;
y = 81;
break;
case 'e':
x = 216;
y = 66;
break;
case 'z':
x = 216;
y = 81;
break;
case 'h':
x = 81;
y = 104;
break;
case 'g':
x = 81;
y = 134;
break;
case 'l':
x = 65;
y = 118;
break;
case 'r':
x = 96;
y= 118;
break;
case 'f':
x = 133;
y= 118;
break;
case 's':
x = 163;
y = 118;
break;
case 'y':
x = 216;
y = 102;
break;
case 'x':
x = 201;
y = 117;
break;
case 'b':
x = 231;
y = 117;
break;
case 'a':
x = 216;
y = 132;
break;
default:
x = 0;
y = 0;
break;
}
switch(cmd[2])
{
case 'p':
drawrectangle(pixel_buffer_start,x,y,8,8,0xFFFF);
int i;
int err;
playtone(5000,10);
playtone(8000,10);
playtone(5000,10);
*(RED_LED_ptr) = (1<<3);
break;
case 'r':
drawrectangle(pixel_buffer_start,x,y,8,8,0x0000);
*(RED_LED_ptr) = (0<<3);
break;
}
for (i = 0; i < sizeof(cmd)/sizeof(cmd[0]); i++)
{
cmd[i] = 0;
}
i = 0;
}
OSTimeDly(1);
ALT_SEM_POST(display);
}
}
}