summary |
shortlog |
log |
commit | commitdiff |
tree
raw |
patch |
inline | side by side (from parent 1:
5b46031)
Old console sent unneeded empty data every one milli sencond.
After this fix console flushes endpoint data bank every 50ms only when needed.
+#ifdef CONSOLE_ENABLE
+static bool console_flush = false;
+#define CONSOLE_FLUSH_SET(b) do { \
+ uint8_t sreg = SREG; cli(); console_flush = b; SREG = sreg; \
+} while (0)
+
+// called every 1ms
void EVENT_USB_Device_StartOfFrame(void)
{
void EVENT_USB_Device_StartOfFrame(void)
{
+ static uint8_t count;
+ if (++count % 50) return;
+ count = 0;
+
+ if (!console_flush) return;
/** Event handler for the USB_ConfigurationChanged event.
* This is fired when the host sets the current configuration of the USB device after enumeration.
/** Event handler for the USB_ConfigurationChanged event.
* This is fired when the host sets the current configuration of the USB device after enumeration.
// Because sendchar() is called so many times, waiting each call causes big lag.
static bool timeouted = false;
// Because sendchar() is called so many times, waiting each call causes big lag.
static bool timeouted = false;
+ // prevents Console_Task() from running during sendchar() runs.
+ // or char will be lost. These two function is mutually exclusive.
+ CONSOLE_FLUSH_SET(false);
+
if (USB_DeviceState != DEVICE_STATE_Configured)
return -1;
if (USB_DeviceState != DEVICE_STATE_Configured)
return -1;
Endpoint_Write_8(c);
// send when bank is full
Endpoint_Write_8(c);
// send when bank is full
- if (!Endpoint_IsReadWriteAllowed())
+ if (!Endpoint_IsReadWriteAllowed()) {
+ while (!(Endpoint_IsINReady()));
+ } else {
+ CONSOLE_FLUSH_SET(true);
+ }
Endpoint_SelectEndpoint(ep);
return 0;
Endpoint_SelectEndpoint(ep);
return 0;