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Interrupt driven Control ep and Console task

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This commit is contained in:
tmk 2012-07-08 23:57:25 +09:00
parent ab89bfce03
commit 8947029950
3 changed files with 59 additions and 34 deletions
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3
keyboard/hhkb/Makefile.lufa
View file

@ -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.

2
protocol/lufa/descriptor.h
View file

@ -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

40
protocol/lufa/lufa.c
View file

@ -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
}
}
@ -105,14 +106,20 @@ 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;
uint8_t ep = Endpoint_GetCurrentEndpoint();
#if 0
// TODO: impl receivechar()/recvchar()
Endpoint_SelectEndpoint(CONSOLE_OUT_EPNUM);
@ -135,12 +142,16 @@ static void Console_HID_Task(void)
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearOUT();
}
#endif
/* IN packet */
Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM);
// send IN packet
if (Endpoint_IsINReady())
// flash senchar 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();