From 8947029950ba19c16bedd3d4618d4227f4714564 Mon Sep 17 00:00:00 2001 From: tmk Date: Sun, 8 Jul 2012 23:57:25 +0900 Subject: [PATCH] Interrupt driven Control ep and Console task --- keyboard/hhkb/Makefile.lufa | 3 ++ protocol/lufa/descriptor.h | 2 +- protocol/lufa/lufa.c | 88 +++++++++++++++++++++++-------------- 3 files changed, 59 insertions(+), 34 deletions(-) diff --git a/keyboard/hhkb/Makefile.lufa b/keyboard/hhkb/Makefile.lufa index cdd68f40..0dc295e6 100644 --- a/keyboard/hhkb/Makefile.lufa +++ b/keyboard/hhkb/Makefile.lufa @@ -93,6 +93,9 @@ ARCH = AVR8 # CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU. F_USB = $(F_CPU) +# Interrupt driven control endpoint task +OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT + # Build Options # comment out to disable the options. diff --git a/protocol/lufa/descriptor.h b/protocol/lufa/descriptor.h index 001e072e..09fb24ac 100644 --- a/protocol/lufa/descriptor.h +++ b/protocol/lufa/descriptor.h @@ -110,7 +110,7 @@ typedef struct #define KEYBOARD_EPSIZE 8 #define MOUSE_EPSIZE 8 -#define CONSOLE_EPSIZE 8 +#define CONSOLE_EPSIZE 32 #define EXTRA_EPSIZE 8 diff --git a/protocol/lufa/lufa.c b/protocol/lufa/lufa.c index 8fa719bc..10511ba6 100644 --- a/protocol/lufa/lufa.c +++ b/protocol/lufa/lufa.c @@ -69,7 +69,7 @@ static host_driver_t lufa_driver = { static void SetupHardware(void); -static void Console_HID_Task(void); +static void Console_Task(void); int main(void) { @@ -90,8 +90,9 @@ int main(void) while (1) { keyboard_proc(); - Console_HID_Task(); +#if !defined(INTERRUPT_CONTROL_ENDPOINT) USB_USBTask(); +#endif } } @@ -105,42 +106,52 @@ void SetupHardware(void) clock_prescale_set(clock_div_1); USB_Init(); + + // for Console_Task + USB_Device_EnableSOFEvents(); } -static void Console_HID_Task(void) +static void Console_Task(void) { - /* Device must be connected and configured for the task to run */ - if (USB_DeviceState != DEVICE_STATE_Configured) - return; + /* Device must be connected and configured for the task to run */ + if (USB_DeviceState != DEVICE_STATE_Configured) + return; - // TODO: impl receivechar()/recvchar() - Endpoint_SelectEndpoint(CONSOLE_OUT_EPNUM); + uint8_t ep = Endpoint_GetCurrentEndpoint(); - /* Check to see if a packet has been sent from the host */ - if (Endpoint_IsOUTReceived()) - { - /* Check to see if the packet contains data */ - if (Endpoint_IsReadWriteAllowed()) - { - /* Create a temporary buffer to hold the read in report from the host */ - uint8_t ConsoleData[CONSOLE_EPSIZE]; +#if 0 + // TODO: impl receivechar()/recvchar() + Endpoint_SelectEndpoint(CONSOLE_OUT_EPNUM); - /* Read Console Report Data */ - Endpoint_Read_Stream_LE(&ConsoleData, sizeof(ConsoleData), NULL); + /* Check to see if a packet has been sent from the host */ + if (Endpoint_IsOUTReceived()) + { + /* Check to see if the packet contains data */ + if (Endpoint_IsReadWriteAllowed()) + { + /* Create a temporary buffer to hold the read in report from the host */ + uint8_t ConsoleData[CONSOLE_EPSIZE]; + + /* Read Console Report Data */ + Endpoint_Read_Stream_LE(&ConsoleData, sizeof(ConsoleData), NULL); + + /* Process Console Report Data */ + //ProcessConsoleHIDReport(ConsoleData); + } - /* Process Console Report Data */ - //ProcessConsoleHIDReport(ConsoleData); - } + /* Finalize the stream transfer to send the last packet */ + Endpoint_ClearOUT(); + } +#endif - /* Finalize the stream transfer to send the last packet */ - Endpoint_ClearOUT(); - } + /* IN packet */ + Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM); + // flash senchar packet + if (Endpoint_IsINReady()) { + Endpoint_ClearIN(); + } - /* IN packet */ - Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM); - // send IN packet - if (Endpoint_IsINReady()) - Endpoint_ClearIN(); + Endpoint_SelectEndpoint(ep); } @@ -157,6 +168,16 @@ void EVENT_USB_Device_Disconnect(void) { } +#define CONSOLE_TASK_INTERVAL 50 +void EVENT_USB_Device_StartOfFrame(void) +{ + static uint8_t interval; + if (++interval == CONSOLE_TASK_INTERVAL) { + Console_Task(); + interval = 0; + } +} + /** Event handler for the USB_ConfigurationChanged event. * This is fired when the host sets the current configuration of the USB device after enumeration. */ @@ -182,7 +203,7 @@ void EVENT_USB_Device_ConfigurationChanged(void) /* Setup Console HID Report Endpoints */ ConfigSuccess &= Endpoint_ConfigureEndpoint(CONSOLE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN, - CONSOLE_EPSIZE, ENDPOINT_BANK_SINGLE); + CONSOLE_EPSIZE, ENDPOINT_BANK_DOUBLE); ConfigSuccess &= Endpoint_ConfigureEndpoint(CONSOLE_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT, CONSOLE_EPSIZE, ENDPOINT_BANK_SINGLE); } @@ -374,6 +395,7 @@ static void send_consumer(uint16_t data) /******************************************************************************* * sendchar ******************************************************************************/ +#define SEND_TIMEOUT 10 int8_t sendchar(uint8_t c) { if (USB_DeviceState != DEVICE_STATE_Configured) @@ -381,9 +403,9 @@ int8_t sendchar(uint8_t c) Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM); - uint8_t timeout = 10; + uint8_t timeout = SEND_TIMEOUT; uint16_t prevFN = USB_Device_GetFrameNumber(); - while (!Endpoint_IsINReady()) { + while (!Endpoint_IsReadWriteAllowed()) { switch (USB_DeviceState) { case DEVICE_STATE_Unattached: case DEVICE_STATE_Suspended: @@ -400,7 +422,7 @@ int8_t sendchar(uint8_t c) Endpoint_Write_8(c); - // send when packet is full + // send when bank is full if (!Endpoint_IsReadWriteAllowed()) Endpoint_ClearIN();