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Fix timeout logic of LUFA sendchar(), sned_*().

This commit is contained in:
tmk 2012-09-06 12:38:39 +09:00
parent 2a5ce5ef70
commit 45ea1874d6
1 changed files with 34 additions and 6 deletions
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36
protocol/lufa/lufa.c
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@ -107,6 +107,10 @@ static void Console_Task(void)
/* IN packet */
Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM);
if (!Endpoint_IsEnabled() || !Endpoint_IsConfigured()) {
Endpoint_SelectEndpoint(ep);
return;
}
// fill empty bank
while (Endpoint_IsReadWriteAllowed())
@ -299,12 +303,14 @@ static uint8_t keyboard_leds(void)
static void send_keyboard(report_keyboard_t *report)
{
uint8_t timeout = 0;
// TODO: handle NKRO report
/* Select the Keyboard Report Endpoint */
Endpoint_SelectEndpoint(KEYBOARD_IN_EPNUM);
/* Check if Keyboard Endpoint Ready for Read/Write */
while (!Endpoint_IsReadWriteAllowed()) ;
while (--timeout && !Endpoint_IsReadWriteAllowed()) ;
/* Write Keyboard Report Data */
Endpoint_Write_Stream_LE(report, sizeof(report_keyboard_t), NULL);
@ -318,11 +324,13 @@ static void send_keyboard(report_keyboard_t *report)
static void send_mouse(report_mouse_t *report)
{
#ifdef MOUSE_ENABLE
uint8_t timeout = 0;
/* Select the Mouse Report Endpoint */
Endpoint_SelectEndpoint(MOUSE_IN_EPNUM);
/* Check if Mouse Endpoint Ready for Read/Write */
while (!Endpoint_IsReadWriteAllowed()) ;
while (--timeout && !Endpoint_IsReadWriteAllowed()) ;
/* Write Mouse Report Data */
Endpoint_Write_Stream_LE(report, sizeof(report_mouse_t), NULL);
@ -334,24 +342,28 @@ static void send_mouse(report_mouse_t *report)
static void send_system(uint16_t data)
{
uint8_t timeout = 0;
report_extra_t r = {
.report_id = REPORT_ID_SYSTEM,
.usage = data
};
Endpoint_SelectEndpoint(EXTRAKEY_IN_EPNUM);
while (!Endpoint_IsReadWriteAllowed()) ;
while (--timeout && !Endpoint_IsReadWriteAllowed()) ;
Endpoint_Write_Stream_LE(&r, sizeof(report_extra_t), NULL);
Endpoint_ClearIN();
}
static void send_consumer(uint16_t data)
{
uint8_t timeout = 0;
report_extra_t r = {
.report_id = REPORT_ID_CONSUMER,
.usage = data
};
Endpoint_SelectEndpoint(EXTRAKEY_IN_EPNUM);
while (!Endpoint_IsReadWriteAllowed()) ;
while (--timeout && !Endpoint_IsReadWriteAllowed()) ;
Endpoint_Write_Stream_LE(&r, sizeof(report_extra_t), NULL);
Endpoint_ClearIN();
}
@ -364,11 +376,26 @@ static void send_consumer(uint16_t data)
#define SEND_TIMEOUT 5
int8_t sendchar(uint8_t c)
{
// Not wait once timeouted.
// Because sendchar() is called so many times, waiting each call causes big lag.
static bool timeouted = false;
if (USB_DeviceState != DEVICE_STATE_Configured)
return -1;
uint8_t ep = Endpoint_GetCurrentEndpoint();
Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM);
if (!Endpoint_IsEnabled() || !Endpoint_IsConfigured()) {
Endpoint_SelectEndpoint(ep);
return -1;
}
if (timeouted && !Endpoint_IsReadWriteAllowed()) {
Endpoint_SelectEndpoint(ep);
return - 1;
}
timeouted = false;
uint8_t timeout = SEND_TIMEOUT;
uint16_t prevFN = USB_Device_GetFrameNumber();
@ -384,6 +411,7 @@ int8_t sendchar(uint8_t c)
}
if (prevFN != USB_Device_GetFrameNumber()) {
if (!(timeout--)) {
timeouted = true;
Endpoint_SelectEndpoint(ep);
return -1;
}