// used in printing a 2 digit hex number, outputs one of the two nibbles
// the parameter is expected to be 0..F
void UART_putnibble(uint8_t c) {
if (c < 10) {
UART_put('0' + c);
}
else {
UART_put('A' + c - 10);
}
}
// classic Tx a C-string routine
// As there is no .data (in the bootloader) it only makes sense for theis to use PSTR()
void UART_puts(const char * str) {
char c;
do {
c = PGM_READ_BYTE(str++);
if (c) {
UART_put(c);
}
} while (c != 0);
}
//******************************************************************************
// UART Input Message
//******************************************************************************
void chk_UART_msg(void)
{
UCHAR j;
while( UART_input() ) // becomes true only when a byte has been received
{ // skip if no characters pending
j = UART_get(); // get next character
if( j == '\r' ) // on a enter (return) key press
{ // complete message (all messages end in carriage return)
UART_msg_put("->");
UART_msg_process();
}
else
{
if ((j != 0x02) ) // if not ^B
{ // if not command, then
UART_put(j); // echo the character
}
else
{
;
}
if( j == '\b' )
{ // backspace editor
if( msg_buf_idx != 0)
{ // if not 1st character then destructive
UART_msg_put(" \b");// backspace
msg_buf_idx--;
}
}
else if( msg_buf_idx >= MSG_BUF_SIZE )
{ // check message length too large
UART_msg_put("\r\nToo Long!");
msg_buf_idx = 0;
}
else if ((display_mode == QUIET) && (msg_buf[0] != 0x02) &&
(msg_buf[0] != 'D') && (msg_buf[0] != 'N') &&
(msg_buf[0] != 'V') &&
(msg_buf_idx != 0))
{ // if first character is bad in Quiet mode
msg_buf_idx = 0; // then start over
}
else { // not complete message, store character
msg_buf[msg_buf_idx] = j;
msg_buf_idx++;
if (msg_buf_idx > 2)
{
UART_msg_process();
}
}
}
}
}
void UART_Asser_PutChar(unsigned char txDataByte) {
UART_put(PSoC_to_asser, txDataByte);
pthread_kill(asser_pthread, SIGUSR1);
usleep(10000);
}
// Just outputs "\r\n"
void UART_newline(void){
UART_put('\r');
UART_put('\n');
}