/** Sends a byte via the USART.
*
* \param[in] Byte Byte to send through the USART
*/
void XPROGTarget_SendByte(const uint8_t data)
{
/* Switch to Tx mode if currently in Rx mode */
if (!(IsSending))
XPROGTarget_SetTxMode();
/* Wait until there is space in the hardware Tx buffer before writing */
usart_putchar(USART_PDI, data);
}
/** Sends a byte via the USART.
*
* \param[in] Byte Byte to send through the USART
*/
void XPROGTarget_SendByte(const uint8_t Byte)
{
/* Switch to Tx mode if currently in Rx mode */
if (!(IsSending))
XPROGTarget_SetTxMode();
/* Wait until there is space in the hardware Tx buffer before writing */
while (!(UCSR1A & (1 << UDRE1)));
UCSR1A |= (1 << TXC1);
UDR1 = Byte;
}
/** Sends a BREAK via the USART to the attached target, consisting of a full frame of idle bits. */
void XPROGTarget_SendBreak(void)
{
/* Switch to Tx mode if currently in Rx mode */
if (!(IsSending))
XPROGTarget_SetTxMode();
/* Need to do nothing for a full frame to send a BREAK */
for (uint8_t i = 0; i < BITS_IN_USART_FRAME; i++)
{
/* Wait for a full cycle of the clock */
while (PIND & (1 << 5));
while (!(PIND & (1 << 5)));
}
}
/** Sends an IDLE via the USART to the attached target, consisting of a full frame of idle bits. */
void XPROGTarget_SendIdle(void)
{
/* Switch to Tx mode if currently in Rx mode */
if (!(IsSending))
XPROGTarget_SetTxMode();
/* Need to do nothing for a full frame to send an IDLE */
for (uint8_t i = 0; i < BITS_IN_USART_FRAME; i++)
{
/* Wait for a full cycle of the clock */
while(gpio_pin_is_high(PIN_PDIC_GPIO) && TimeoutTicksRemaining);
while(gpio_pin_is_low(PIN_PDIC_GPIO) && TimeoutTicksRemaining);
while(gpio_pin_is_high(PIN_PDIC_GPIO) && TimeoutTicksRemaining);
}
}
