diff options
Diffstat (limited to 'Projects/Benito/Benito.c')
| -rw-r--r-- | Projects/Benito/Benito.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/Projects/Benito/Benito.c b/Projects/Benito/Benito.c index 720a2245d..1afb74a72 100644 --- a/Projects/Benito/Benito.c +++ b/Projects/Benito/Benito.c @@ -45,6 +45,9 @@ volatile uint8_t TxPulseMSRemaining = 0; /** Counter for the number of milliseconds remaining for the RX activity LED pulse being generated. */
volatile uint8_t RxPulseMSRemaining = 0;
+/** Counter for the number of milliseconds remaining for the enumeration LED ping-pong being generated. */
+volatile uint8_t PingPongMSRemaining = 0;
+
/** 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.
@@ -78,8 +81,6 @@ int main(void) {
SetupHardware();
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-
for (;;)
{
/* Echo bytes from the host to the target via the hardware USART */
@@ -103,10 +104,20 @@ int main(void) /* Check if the millisecond timer has elapsed */
if (TIFR0 & (1 << OCF0A))
{
+ /* Check if the LEDs should be ping-ponging (during enumeration) */
+ if (PingPongMSRemaining && !(--PingPongMSRemaining))
+ {
+ LEDs_ChangeLEDs(LEDMASK_BUSY, (~LEDs_GetLEDs() & LEDMASK_BUSY));
+ PingPongMSRemaining = PING_PONG_LED_PULSE_MS;
+ }
+
/* Check if the reset pulse period has elapsed, if so tristate the target reset line */
if (ResetPulseMSRemaining && !(--ResetPulseMSRemaining))
- AVR_RESET_LINE_DDR &= ~AVR_RESET_LINE_MASK;
-
+ {
+ LEDs_TurnOffLEDs(LEDMASK_BUSY);
+ AVR_RESET_LINE_DDR &= ~AVR_RESET_LINE_MASK;
+ }
+
/* Turn off TX LED(s) once the TX pulse period has elapsed */
if (TxPulseMSRemaining && !(--TxPulseMSRemaining))
LEDs_TurnOffLEDs(LEDMASK_TX);
@@ -151,22 +162,25 @@ void SetupHardware(void) /** Event handler for the library USB Connection event. */
void EVENT_USB_Connect(void)
{
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+ PingPongMSRemaining = PING_PONG_LED_PULSE_MS;
+ LEDs_SetAllLEDs(LEDMASK_TX);
}
/** Event handler for the library USB Disconnection event. */
void EVENT_USB_Disconnect(void)
{
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+ PingPongMSRemaining = 0;
+ LEDs_TurnOffLEDs(LEDMASK_BUSY);
}
/** Event handler for the library USB Configuration Changed event. */
void EVENT_USB_ConfigurationChanged(void)
{
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
+ PingPongMSRemaining = 0;
+ LEDs_TurnOffLEDs(LEDMASK_BUSY);
if (!(CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface)))
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ LEDs_TurnOnLEDs(LEDMASK_ERROR);
}
/** Event handler for the library USB Unhandled Control Packet event. */
@@ -224,6 +238,8 @@ void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const C /* Check if the DTR line has been asserted - if so, start the target AVR's reset pulse */
if (CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR)
{
+ LEDs_TurnOnLEDs(LEDMASK_BUSY);
+
AVR_RESET_LINE_DDR |= AVR_RESET_LINE_MASK;
ResetPulseMSRemaining = AVR_RESET_PULSE_MS;
}
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