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Ensure new Benito Programmer project matches Don's established LED behaviour - flash LED while generating target /RESET pulse, ping-pong LEDs during enumeration.

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This commit is contained in:
Dean Camera 2009-07-24 01:26:36 +00:00
parent 2a0c28e6e4
commit 3991c94b38
5 changed files with 38 additions and 24 deletions
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32
Projects/Benito/Benito.c
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@ -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;
}