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lufa: Fix console flush #223
Old console sent unneeded empty data every one milli sencond. After this fix console flushes endpoint data bank every 50ms only when needed.tags/v2.9
tmk
9 years ago
1 changed files with 23 additions and 1 deletions
+ 23
- 1
tmk_core/protocol/lufa/lufa.c
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| @@ -197,10 +197,24 @@ void EVENT_USB_Device_WakeUp() | |||
| #endif | |||
| } | |||
| #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) | |||
| { | |||
| static uint8_t count; | |||
| if (++count % 50) return; | |||
| count = 0; | |||
| if (!console_flush) return; | |||
| Console_Task(); | |||
| console_flush = false; | |||
| } | |||
| #endif | |||
| /** Event handler for the USB_ConfigurationChanged event. | |||
| * This is fired when the host sets the current configuration of the USB device after enumeration. | |||
| @@ -491,6 +505,10 @@ int8_t sendchar(uint8_t c) | |||
| // 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; | |||
| @@ -524,8 +542,12 @@ int8_t sendchar(uint8_t c) | |||
| Endpoint_Write_8(c); | |||
| // send when bank is full | |||
| if (!Endpoint_IsReadWriteAllowed()) | |||
| if (!Endpoint_IsReadWriteAllowed()) { | |||
| while (!(Endpoint_IsINReady())); | |||
| Endpoint_ClearIN(); | |||
| } else { | |||
| CONSOLE_FLUSH_SET(true); | |||
| } | |||
| Endpoint_SelectEndpoint(ep); | |||
| return 0; | |||
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