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-rw-r--r--Projects/Benito/Benito.c33
1 files changed, 21 insertions, 12 deletions
diff --git a/Projects/Benito/Benito.c b/Projects/Benito/Benito.c
index 32c663cb6..71b187bfb 100644
--- a/Projects/Benito/Benito.c
+++ b/Projects/Benito/Benito.c
@@ -51,6 +51,9 @@ volatile struct
/** Previous state of the virtual DTR control line from the host */
bool PreviousDTRState = false;
+/** Milliseconds remaining until the receive buffer is flushed to the USB host */
+uint8_t FlushPeriodRemaining = RECEIVE_BUFFER_FLUSH_MS;
+
/** LUFA CDC Class driver interface configuration and state information. This structure is
* passed to all CDC Class driver functions, so that multiple instances of the same class
* within a device can be differentiated from one another.
@@ -89,23 +92,14 @@ int main(void)
for (;;)
{
/* Echo bytes from the host to the target via the hardware USART */
- while (CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface) > 0)
+ if (CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface) && (UCSR1A & (1 << UDRE1)))
{
- Serial_TxByte(CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface));
+ UDR1 = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
LEDs_TurnOnLEDs(LEDMASK_TX);
PulseMSRemaining.TxLEDPulse = TX_RX_LED_PULSE_MS;
}
- /* Echo bytes from the target to the host via the virtual serial port */
- while (Tx_Buffer.Count)
- {
- CDC_Device_SendByte(&VirtualSerial_CDC_Interface, RingBuffer_AtomicRemove(&Tx_Buffer));
-
- LEDs_TurnOnLEDs(LEDMASK_RX);
- PulseMSRemaining.RxLEDPulse = TX_RX_LED_PULSE_MS;
- }
-
/* Check if the millisecond timer has elapsed */
if (TIFR0 & (1 << OCF0A))
{
@@ -131,6 +125,22 @@ int main(void)
if (PulseMSRemaining.RxLEDPulse && !(--PulseMSRemaining.RxLEDPulse))
LEDs_TurnOffLEDs(LEDMASK_RX);
+ /* Check if the receive buffer flush period has expired */
+ if (!(--FlushPeriodRemaining) || (Tx_Buffer.Count > 200))
+ {
+ /* Echo bytes from the target to the host via the virtual serial port */
+ if (Tx_Buffer.Count)
+ {
+ while (Tx_Buffer.Count)
+ CDC_Device_SendByte(&VirtualSerial_CDC_Interface, RingBuffer_AtomicRemove(&Tx_Buffer));
+
+ LEDs_TurnOnLEDs(LEDMASK_RX);
+ PulseMSRemaining.RxLEDPulse = TX_RX_LED_PULSE_MS;
+ }
+
+ FlushPeriodRemaining = RECEIVE_BUFFER_FLUSH_MS;
+ }
+
/* Clear the millisecond timer CTC flag (cleared by writing logic one to the register) */
TIFR0 |= (1 << OCF0A);
}
@@ -148,7 +158,6 @@ void SetupHardware(void)
wdt_disable();
/* Hardware Initialization */
- Serial_Init(9600, false);
LEDs_Init();
USB_Init();