int tx_rdy(void)
{
if (uart_tx_ready (DEBUG_UART_PORT))
return 1;
else
return 0;
}
void uart_write_str(char *str) {
while (*str != '\0') {
while (!uart_tx_ready());
uart_write_char(*str);
str++;
}
}
void uart_write_char(char c)
{
/* Wait for space in transmit FIFO. */
while (!uart_tx_ready())
;
GR_UART_WDATA(0) = c;
}
static int panic_txchar(void *context, int c)
{
if (c == '\n')
panic_txchar(context, '\r');
/* Wait for space in transmit FIFO */
while (!uart_tx_ready())
;
/* Write the character directly to the transmit FIFO */
uart_write_char(c);
return 0;
}
bool uart_send_byte (unsigned dev, char ch)
{
/* wait for transmit buffer empty */
while (!uart_tx_ready(dev))
;
switch (dev)
{
case 0:
UTXH0 = ch;
break;
case 1:
UTXH1 = ch;
break;
case 2:
UTXH2 = ch;
break;
}
return true;
}
void uart_transmit_data(unsigned char data)
{
while(!uart_tx_ready());
UCA0TXBUF = data;
}
